From a56c98014977bcddef4880fbe53be69be17a4723 Mon Sep 17 00:00:00 2001 From: Robert Fratto Date: Wed, 23 Jun 2021 22:00:57 -0400 Subject: [PATCH 1/9] basic working example --- go.mod | 1 + go.sum | 234 ++++++++++++++++++++++++++++- pkg/crow/crow.go | 309 ++++++++++++++++++++++++++++++++++++++ pkg/crow/crow_e2e_test.go | 220 +++++++++++++++++++++++++++ pkg/crow/crow_test.go | 48 ++++++ pkg/crow/metrics.go | 62 ++++++++ pkg/crow/samples.go | 70 +++++++++ 7 files changed, 938 insertions(+), 6 deletions(-) create mode 100644 pkg/crow/crow.go create mode 100644 pkg/crow/crow_e2e_test.go create mode 100644 pkg/crow/crow_test.go create mode 100644 pkg/crow/metrics.go create mode 100644 pkg/crow/samples.go diff --git a/go.mod b/go.mod index e0623fb1d0ee..0ed7635336c8 100644 --- a/go.mod +++ b/go.mod @@ -54,6 +54,7 @@ require ( github.com/sirupsen/logrus v1.8.1 github.com/spf13/cobra v1.2.1 github.com/stretchr/testify v1.7.0 + github.com/testcontainers/testcontainers-go v0.11.1 github.com/uber/jaeger-client-go v2.29.1+incompatible github.com/weaveworks/common v0.0.0-20210419092856-009d1eebd624 go.opencensus.io v0.23.0 diff --git a/go.sum b/go.sum index 4fadba5e2f62..ef1f4f7c2071 100644 --- a/go.sum +++ b/go.sum @@ -1,3 +1,4 @@ +bazil.org/fuse v0.0.0-20160811212531-371fbbdaa898/go.mod h1:Xbm+BRKSBEpa4q4hTSxohYNQpsxXPbPry4JJWOB3LB8= cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= cloud.google.com/go v0.37.4/go.mod h1:NHPJ89PdicEuT9hdPXMROBD91xc5uRDxsMtSB16k7hw= @@ -66,6 +67,7 @@ github.com/Azure/go-amqp v0.12.6/go.mod h1:qApuH6OFTSKZFmCOxccvAv5rLizBQf4v8pRmG github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 h1:w+iIsaOQNcT7OZ575w+acHgRric5iCyQh+xv+KJ4HB8= github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8= github.com/Azure/go-autorest v10.7.0+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24= +github.com/Azure/go-autorest v10.8.1+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24= github.com/Azure/go-autorest v10.15.3+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24= github.com/Azure/go-autorest v14.2.0+incompatible h1:V5VMDjClD3GiElqLWO7mz2MxNAK/vTfRHdAubSIPRgs= github.com/Azure/go-autorest v14.2.0+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24= @@ -136,10 +138,21 @@ github.com/Microsoft/go-winio v0.4.3/go.mod h1:VhR8bwka0BXejwEJY73c50VrPtXAaKcyv github.com/Microsoft/go-winio v0.4.9/go.mod h1:VhR8bwka0BXejwEJY73c50VrPtXAaKcyvVC4A4RozmA= github.com/Microsoft/go-winio v0.4.11/go.mod h1:VhR8bwka0BXejwEJY73c50VrPtXAaKcyvVC4A4RozmA= github.com/Microsoft/go-winio v0.4.14/go.mod h1:qXqCSQ3Xa7+6tgxaGTIe4Kpcdsi+P8jBhyzoq1bpyYA= -github.com/Microsoft/go-winio v0.4.16 h1:FtSW/jqD+l4ba5iPBj9CODVtgfYAD8w2wS923g/cFDk= +github.com/Microsoft/go-winio v0.4.15-0.20190919025122-fc70bd9a86b5/go.mod h1:tTuCMEN+UleMWgg9dVx4Hu52b1bJo+59jBh3ajtinzw= +github.com/Microsoft/go-winio v0.4.16-0.20201130162521-d1ffc52c7331/go.mod h1:XB6nPKklQyQ7GC9LdcBEcBl8PF76WugXOPRXwdLnMv0= github.com/Microsoft/go-winio v0.4.16/go.mod h1:XB6nPKklQyQ7GC9LdcBEcBl8PF76WugXOPRXwdLnMv0= -github.com/Microsoft/hcsshim v0.8.6 h1:ZfF0+zZeYdzMIVMZHKtDKJvLHj76XCuVae/jNkjj0IA= +github.com/Microsoft/go-winio v0.4.17-0.20210211115548-6eac466e5fa3 h1:mw6pDQqv38/WGF1cO/jF5t/jyAJ2yi7CmtFLLO5tGFI= +github.com/Microsoft/go-winio v0.4.17-0.20210211115548-6eac466e5fa3/go.mod h1:JPGBdM1cNvN/6ISo+n8V5iA4v8pBzdOpzfwIujj1a84= github.com/Microsoft/hcsshim v0.8.6/go.mod h1:Op3hHsoHPAvb6lceZHDtd9OkTew38wNoXnJs8iY7rUg= +github.com/Microsoft/hcsshim v0.8.7-0.20190325164909-8abdbb8205e4/go.mod h1:Op3hHsoHPAvb6lceZHDtd9OkTew38wNoXnJs8iY7rUg= +github.com/Microsoft/hcsshim v0.8.7/go.mod h1:OHd7sQqRFrYd3RmSgbgji+ctCwkbq2wbEYNSzOYtcBQ= +github.com/Microsoft/hcsshim v0.8.9/go.mod h1:5692vkUqntj1idxauYlpoINNKeqCiG6Sg38RRsjT5y8= +github.com/Microsoft/hcsshim v0.8.14/go.mod h1:NtVKoYxQuTLx6gEq0L96c9Ju4JbRJ4nY2ow3VK6a9Lg= +github.com/Microsoft/hcsshim v0.8.15/go.mod h1:x38A4YbHbdxJtc0sF6oIz+RG0npwSCAvn69iY6URG00= +github.com/Microsoft/hcsshim v0.8.16 h1:8/auA4LFIZFTGrqfKhGBSXwM6/4X1fHa/xniyEHu8ac= +github.com/Microsoft/hcsshim v0.8.16/go.mod h1:o5/SZqmR7x9JNKsW3pu+nqHm0MF8vbA+VxGOoXdC600= +github.com/Microsoft/hcsshim/test v0.0.0-20201218223536-d3e5debf77da/go.mod h1:5hlzMzRKMLyo42nCZ9oml8AdTlq/0cvIaBv6tK1RehU= +github.com/Microsoft/hcsshim/test v0.0.0-20210227013316-43a75bb4edd3/go.mod h1:mw7qgWloBUl75W/gVH3cQszUg1+gUITj7D6NY7ywVnY= github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ= github.com/NYTimes/gziphandler v1.0.1/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ= github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMomdKFjzJNB0c= @@ -153,6 +166,7 @@ github.com/PuerkitoBio/urlesc v0.0.0-20160726150825-5bd2802263f2/go.mod h1:uGdko github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE= github.com/SAP/go-hdb v0.12.0/go.mod h1:etBT+FAi1t5k3K3tf5vQTnosgYmhDkRi8jEnQqCnxF0= github.com/SermoDigital/jose v0.0.0-20180104203859-803625baeddc/go.mod h1:ARgCUhI1MHQH+ONky/PAtmVHQrP5JlGY0F3poXOp/fA= +github.com/Shopify/logrus-bugsnag v0.0.0-20171204204709-577dee27f20d/go.mod h1:HI8ITrYtUY+O+ZhtlqUnD8+KwNPOyugEhfP9fdUIaEQ= github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo= github.com/Shopify/sarama v1.27.1/go.mod h1:g5s5osgELxgM+Md9Qni9rzo7Rbt+vvFQI4bt/Mc93II= github.com/Shopify/sarama v1.27.2/go.mod h1:g5s5osgELxgM+Md9Qni9rzo7Rbt+vvFQI4bt/Mc93II= @@ -179,6 +193,7 @@ github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk5 github.com/alecthomas/units v0.0.0-20201120081800-1786d5ef83d4/go.mod h1:OMCwj8VM1Kc9e19TLln2VL61YJF0x1XFtfdL4JdbSyE= github.com/alecthomas/units v0.0.0-20210208195552-ff826a37aa15 h1:AUNCr9CiJuwrRYS3XieqF+Z9B9gNxo/eANAJCF2eiN4= github.com/alecthomas/units v0.0.0-20210208195552-ff826a37aa15/go.mod h1:OMCwj8VM1Kc9e19TLln2VL61YJF0x1XFtfdL4JdbSyE= +github.com/alexflint/go-filemutex v0.0.0-20171022225611-72bdc8eae2ae/go.mod h1:CgnQgUtFrFz9mxFNtED3jI5tLDjKlOM+oUF/sTk6ps0= github.com/alicebob/gopher-json v0.0.0-20200520072559-a9ecdc9d1d3a/go.mod h1:SGnFV6hVsYE877CKEZ6tDNTjaSXYUk6QqoIK6PrAtcc= github.com/alicebob/miniredis v2.5.0+incompatible/go.mod h1:8HZjEj4yU0dwhYHky+DxYx+6BMjkBbe5ONFIF1MXffk= github.com/aliyun/aliyun-oss-go-sdk v2.0.4+incompatible/go.mod h1:T/Aws4fEfogEE9v+HPhhw+CntffsBHJ8nXQCwKr0/g8= @@ -214,6 +229,7 @@ github.com/asaskevich/govalidator v0.0.0-20200907205600-7a23bdc65eef/go.mod h1:W github.com/asaskevich/govalidator v0.0.0-20210307081110-f21760c49a8d/go.mod h1:WaHUgvxTVq04UNunO+XhnAqY/wQc+bxr74GqbsZ/Jqw= github.com/aws/aws-lambda-go v1.13.3/go.mod h1:4UKl9IzQMoD+QF79YdCuzCwp8VbmG4VAQwij/eHl5CU= github.com/aws/aws-lambda-go v1.17.0/go.mod h1:FEwgPLE6+8wcGBTe5cJN3JWurd1Ztm9zN4jsXsjzKKw= +github.com/aws/aws-sdk-go v1.15.11/go.mod h1:mFuSZ37Z9YOHbQEwBWztmVzqXrEkub65tZoCYDt7FT0= github.com/aws/aws-sdk-go v1.15.24/go.mod h1:mFuSZ37Z9YOHbQEwBWztmVzqXrEkub65tZoCYDt7FT0= github.com/aws/aws-sdk-go v1.15.78/go.mod h1:E3/ieXAlvM0XWO57iftYVDLLvQ824smPP3ATZkfNZeM= github.com/aws/aws-sdk-go v1.17.7/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo= @@ -241,6 +257,7 @@ github.com/beevik/ntp v0.3.0/go.mod h1:hIHWr+l3+/clUnF44zdK+CWW7fO8dR5cIylAQ76NR github.com/benbjohnson/clock v1.0.3/go.mod h1:bGMdMPoPVvcYyt1gHDf4J2KE153Yf9BuiUKYMaxlTDM= github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8= github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA= +github.com/beorn7/perks v0.0.0-20160804104726-4c0e84591b9a/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q= github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q= github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8= github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM= @@ -250,8 +267,10 @@ github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d/go.mod h1:6QX/PXZ github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs= github.com/bitly/go-hostpool v0.0.0-20171023180738-a3a6125de932/go.mod h1:NOuUCSz6Q9T7+igc/hlvDOUdtWKryOrtFyIVABv/p7k= github.com/bitly/go-hostpool v0.1.0/go.mod h1:4gOCgp6+NZnVqlKyZ/iBZFTAJKembaVENUpMkpg42fw= +github.com/bitly/go-simplejson v0.5.0/go.mod h1:cXHtHw4XUPsvGaxgjIAn8PhEWG9NfngEKAMDJEczWVA= github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84= github.com/bketelsen/crypt v0.0.4/go.mod h1:aI6NrJ0pMGgvZKL1iVgXLnfIFJtfV+bKCoqOes/6LfM= +github.com/blang/semver v3.1.0+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk= github.com/blang/semver v3.5.0+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk= github.com/blang/semver v3.5.1+incompatible h1:cQNTCjp13qL8KC3Nbxr/y2Bqb63oX6wdnnjpJbkM4JQ= github.com/blang/semver v3.5.1+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk= @@ -263,7 +282,12 @@ github.com/bmizerany/pat v0.0.0-20170815010413-6226ea591a40/go.mod h1:8rLXio+Wji github.com/boltdb/bolt v1.3.1/go.mod h1:clJnj/oiGkjum5o1McbSZDSLxVThjynRyGBgiAx27Ps= github.com/bradfitz/gomemcache v0.0.0-20190913173617-a41fca850d0b/go.mod h1:H0wQNHz2YrLsuXOZozoeDmnHXkNCRmMW0gwFWDfEZDA= github.com/brancz/kube-rbac-proxy v0.8.0/go.mod h1:j7cg7LCsVWhOLBwJWxPxn5q/tZpFp6KH1KB6Jq4ixOo= +github.com/bshuster-repo/logrus-logstash-hook v0.4.1/go.mod h1:zsTqEiSzDgAa/8GZR7E1qaXrhYNDKBYy5/dWPTIflbk= github.com/bsm/sarama-cluster v2.1.13+incompatible/go.mod h1:r7ao+4tTNXvWm+VRpRJchr2kQhqxgmAp2iEX5W96gMM= +github.com/buger/jsonparser v0.0.0-20180808090653-f4dd9f5a6b44/go.mod h1:bbYlZJ7hK1yFx9hf58LP0zeX7UjIGs20ufpu3evjr+s= +github.com/bugsnag/bugsnag-go v0.0.0-20141110184014-b1d153021fcd/go.mod h1:2oa8nejYd4cQ/b0hMIopN0lCRxU0bueqREvZLWFrtK8= +github.com/bugsnag/osext v0.0.0-20130617224835-0dd3f918b21b/go.mod h1:obH5gd0BsqsP2LwDJ9aOkm/6J86V6lyAXCoQWGw3K50= +github.com/bugsnag/panicwrap v0.0.0-20151223152923-e2c28503fcd0/go.mod h1:D/8v3kj0zr8ZAKg1AQ6crr+5VwKN5eIywRkfhyM/+dE= github.com/c-bata/go-prompt v0.2.2/go.mod h1:VzqtzE2ksDBcdln8G7mk2RX9QyGjH+OVqOCSiVIqS34= github.com/c2h5oh/datasize v0.0.0-20200112174442-28bbd4740fee h1:BnPxIde0gjtTnc9Er7cxvBk8DHLWhEux0SxayC8dP6I= github.com/c2h5oh/datasize v0.0.0-20200112174442-28bbd4740fee/go.mod h1:S/7n9copUssQ56c7aAgHqftWO4LTf4xY6CGWt8Bc+3M= @@ -290,6 +314,7 @@ github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghf github.com/cespare/xxhash/v2 v2.1.0/go.mod h1:dgIUBU3pDso/gPgZ1osOZ0iQf77oPR28Tjxl5dIMyVM= github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY= github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= +github.com/checkpoint-restore/go-criu/v4 v4.1.0/go.mod h1:xUQBLp4RLc5zJtWY++yjOoMoB5lihDt7fai+75m+rGw= github.com/cheggaaa/pb v1.0.27/go.mod h1:pQciLPpbU0oxA0h+VJYYLxO+XeDQb5pZijXscXHm81s= github.com/chromedp/cdproto v0.0.0-20200116234248-4da64dd111ac/go.mod h1:PfAWWKJqjlGFYJEidUM6aVIWPr0EpobeyVWEEmplX7g= github.com/chromedp/cdproto v0.0.0-20200424080200-0de008e41fa0/go.mod h1:PfAWWKJqjlGFYJEidUM6aVIWPr0EpobeyVWEEmplX7g= @@ -297,6 +322,9 @@ github.com/chromedp/chromedp v0.5.3/go.mod h1:YLdPtndaHQ4rCpSpBG+IPpy9JvX0VD+7aa github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI= github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI= github.com/chzyer/test 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h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k= github.com/yuin/gopher-lua v0.0.0-20180630135845-46796da1b0b4/go.mod h1:aEV29XrmTYFr3CiRxZeGHpkvbwq+prZduBqMaascyCU= github.com/yuin/gopher-lua v0.0.0-20200816102855-ee81675732da/go.mod h1:E1AXubJBdNmFERAOucpDIxNzeGfLzg0mYh+UfMWdChA= +github.com/yvasiyarov/go-metrics v0.0.0-20140926110328-57bccd1ccd43/go.mod h1:aX5oPXxHm3bOH+xeAttToC8pqch2ScQN/JoXYupl6xs= +github.com/yvasiyarov/gorelic v0.0.0-20141212073537-a9bba5b9ab50/go.mod h1:NUSPSUX/bi6SeDMUh6brw0nXpxHnc96TguQh0+r/ssA= +github.com/yvasiyarov/newrelic_platform_go v0.0.0-20140908184405-b21fdbd4370f/go.mod h1:GlGEuHIJweS1mbCqG+7vt2nvWLzLLnRHbXz5JKd/Qbg= gitlab.com/nyarla/go-crypt v0.0.0-20160106005555-d9a5dc2b789b/go.mod h1:T3BPAOm2cqquPa0MKWeNkmOM5RQsRhkrwMWonFMN7fE= go.elastic.co/apm v1.5.0/go.mod h1:OdB9sPtM6Vt7oz3VXt7+KR96i9li74qrxBGHTQygFvk= go.elastic.co/apm v1.11.0/go.mod h1:qoOSi09pnzJDh5fKnfY7bPmQgl8yl2tULdOu03xhui0= @@ -1834,6 +2023,7 @@ go.mongodb.org/mongo-driver v1.4.4/go.mod h1:WcMNYLx/IlOxLe6JRJiv2uXuCz6zBLndR4S go.mongodb.org/mongo-driver v1.4.6/go.mod h1:WcMNYLx/IlOxLe6JRJiv2uXuCz6zBLndR4SoGjYphSc= go.mongodb.org/mongo-driver v1.5.1/go.mod h1:gRXCHX4Jo7J0IJ1oDQyUxF7jfy19UfxniMS4xxMmUqw= go.mongodb.org/mongo-driver v1.5.2/go.mod h1:gRXCHX4Jo7J0IJ1oDQyUxF7jfy19UfxniMS4xxMmUqw= +go.mozilla.org/pkcs7 v0.0.0-20200128120323-432b2356ecb1/go.mod h1:SNgMg+EgDFwmvSmLRTNKC5fegJjB7v23qTQ0XLGUNHk= go.opencensus.io v0.20.1/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk= go.opencensus.io v0.20.2/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk= go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU= @@ -1892,8 +2082,10 @@ go.uber.org/zap v1.16.0/go.mod h1:MA8QOfq0BHJwdXa996Y4dYkAqRKB8/1K1QMMZVaNZjQ= go.uber.org/zap v1.17.0/go.mod h1:MXVU+bhUf/A7Xi2HNOnopQOrmycQ5Ih87HtOu4q5SSo= go.uber.org/zap v1.18.1 h1:CSUJ2mjFszzEWt4CdKISEuChVIXGBn3lAPwkRGyVrc4= go.uber.org/zap v1.18.1/go.mod h1:xg/QME4nWcxGxrpdeYfq7UvYrLh66cuVKdrbD1XF/NI= +golang.org/x/crypto v0.0.0-20171113213409-9f005a07e0d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/crypto v0.0.0-20180608092829-8ac0e0d97ce4/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= +golang.org/x/crypto v0.0.0-20181009213950-7c1a557ab941/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= @@ -1986,6 +2178,7 @@ golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73r golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20181005035420-146acd28ed58/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= +golang.org/x/net v0.0.0-20181011144130-49bb7cea24b1/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20181108082009-03003ca0c849/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= @@ -2004,6 +2197,7 @@ golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn golang.org/x/net v0.0.0-20190522155817-f3200d17e092/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks= golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks= golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= +golang.org/x/net v0.0.0-20190619014844-b5b0513f8c1b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20190628185345-da137c7871d7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= @@ -2114,13 +2308,18 @@ golang.org/x/sys v0.0.0-20190425145619-16072639606e/go.mod h1:h1NjWce9XRLGQEsW7w golang.org/x/sys v0.0.0-20190426135247-a129542de9ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20190514135907-3a4b5fb9f71f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20190522044717-8097e1b27ff5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190531175056-4c3a928424d2/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20190602015325-4c4f7f33c9ed/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20190606203320-7fc4e5ec1444/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190626150813-e07cf5db2756/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190801041406-cbf593c0f2f3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20190812073006-9eafafc0a87e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190826190057-c7b8b68b1456/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190902133755-9109b7679e13/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= @@ -2138,16 +2337,19 @@ golang.org/x/sys v0.0.0-20191025021431-6c3a3bfe00ae/go.mod h1:h1NjWce9XRLGQEsW7w golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191112214154-59a1497f0cea/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191113165036-4c7a9d0fe056/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20191115151921-52ab43148777/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191119060738-e882bf8e40c2/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191128015809-6d18c012aee9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20191210023423-ac6580df4449/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191220142924-d4481acd189f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200106162015-b016eb3dc98e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200107162124-548cf772de50/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200113162924-86b910548bc1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200120151820-655fe14d7479/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200122134326-e047566fdf82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200124204421-9fbb57f87de9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= @@ -2169,12 +2371,17 @@ golang.org/x/sys v0.0.0-20200622214017-ed371f2e16b4/go.mod h1:h1NjWce9XRLGQEsW7w golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200728102440-3e129f6d46b1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200803210538-64077c9b5642/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200817155316-9781c653f443/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200826173525-f9321e4c35a6/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200831180312-196b9ba8737a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200905004654-be1d3432aa8f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200909081042-eff7692f9009/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200916030750-2334cc1a136f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200922070232-aee5d888a860/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20201009025420-dfb3f7c4e634/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20201015000850-e3ed0017c211/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20201112073958-5cba982894dd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20201202213521-69691e467435/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= @@ -2330,6 +2537,7 @@ gonum.org/v1/gonum v0.6.2/go.mod h1:9mxDZsDKxgMAuccQkewq682L+0eCu4dCN2yonUJTCLU= gonum.org/v1/netlib v0.0.0-20181029234149-ec6d1f5cefe6/go.mod h1:wa6Ws7BG/ESfp6dHfk7C6KdzKA7wR7u/rKwOGE66zvw= gonum.org/v1/netlib v0.0.0-20190313105609-8cb42192e0e0/go.mod h1:wa6Ws7BG/ESfp6dHfk7C6KdzKA7wR7u/rKwOGE66zvw= gonum.org/v1/plot v0.0.0-20190515093506-e2840ee46a6b/go.mod h1:Wt8AAjI+ypCyYX3nZBvf6cAIx93T+c/OS2HFAYskSZc= +google.golang.org/api v0.0.0-20160322025152-9bf6e6e569ff/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0= google.golang.org/api v0.0.0-20180829000535-087779f1d2c9/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0= google.golang.org/api v0.3.1/go.mod h1:6wY9I6uQWHQ8EM57III9mq/AjF+i8G65rmVagqKMtkk= google.golang.org/api v0.3.2/go.mod h1:6wY9I6uQWHQ8EM57III9mq/AjF+i8G65rmVagqKMtkk= @@ -2370,6 +2578,7 @@ google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCID google.golang.org/appengine v1.6.6/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc= google.golang.org/appengine v1.6.7 h1:FZR1q0exgwxzPzp/aF+VccGrSfxfPpkBqjIIEq3ru6c= google.golang.org/appengine v1.6.7/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc= +google.golang.org/cloud v0.0.0-20151119220103-975617b05ea8/go.mod h1:0H1ncTHf11KCFhTc/+EFRbzSCOZx+VUbRMk55Yv5MYk= google.golang.org/genproto v0.0.0-20170818010345-ee236bd376b0/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc= google.golang.org/genproto v0.0.0-20180608181217-32ee49c4dd80/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc= google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc= @@ -2378,6 +2587,7 @@ google.golang.org/genproto v0.0.0-20190404172233-64821d5d2107/go.mod h1:VzzqZJRn google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE= google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE= google.golang.org/genproto v0.0.0-20190502173448-54afdca5d873/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE= +google.golang.org/genproto v0.0.0-20190522204451-c2c4e71fbf69/go.mod h1:z3L6/3dTEVtUr6QSP8miRzeRqwQOioJ9I66odjN4I7s= google.golang.org/genproto v0.0.0-20190530194941-fb225487d101/go.mod h1:z3L6/3dTEVtUr6QSP8miRzeRqwQOioJ9I66odjN4I7s= google.golang.org/genproto v0.0.0-20190716160619-c506a9f90610/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc= google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc= @@ -2391,6 +2601,7 @@ google.golang.org/genproto v0.0.0-20191216164720-4f79533eabd1/go.mod h1:n3cpQtvx google.golang.org/genproto v0.0.0-20191230161307-f3c370f40bfb/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= google.golang.org/genproto v0.0.0-20200108215221-bd8f9a0ef82f/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= google.golang.org/genproto v0.0.0-20200115191322-ca5a22157cba/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= +google.golang.org/genproto v0.0.0-20200117163144-32f20d992d24/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= google.golang.org/genproto v0.0.0-20200122232147-0452cf42e150/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= google.golang.org/genproto v0.0.0-20200204135345-fa8e72b47b90/go.mod h1:GmwEX6Z4W5gMy59cAlVYjN9JhxgbQH6Gn+gFDQe2lzA= google.golang.org/genproto v0.0.0-20200212174721-66ed5ce911ce/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c= @@ -2430,6 +2641,7 @@ google.golang.org/genproto v0.0.0-20210429181445-86c259c2b4ab/go.mod h1:P3QM42oQ google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0= google.golang.org/genproto v0.0.0-20210604141403-392c879c8b08 h1:pc16UedxnxXXtGxHCSUhafAoVHQZ0yXl8ZelMH4EETc= google.golang.org/genproto v0.0.0-20210604141403-392c879c8b08/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0= +google.golang.org/grpc v0.0.0-20160317175043-d3ddb4469d5a/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw= google.golang.org/grpc v0.0.0-20180920234847-8997b5fa0873/go.mod h1:0JHn/cJsOMiMfNA9+DeHDlAU7KAAB5GDlYFpa9MZMio= google.golang.org/grpc v1.8.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw= google.golang.org/grpc v1.14.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw= @@ -2484,6 +2696,7 @@ gopkg.in/alecthomas/kingpin.v2 v2.2.6 h1:jMFz6MfLP0/4fUyZle81rXUoxOBFi19VUFKVDOQ gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw= gopkg.in/asn1-ber.v1 v1.0.0-20181015200546-f715ec2f112d/go.mod h1:cuepJuh7vyXfUyUwEgHQXw849cJrilpS5NeIjOWESAw= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/check.v1 v1.0.0-20141024133853-64131543e789/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= @@ -2563,10 +2776,12 @@ k8s.io/apimachinery v0.0.0-20191115015347-3c7067801da2/go.mod h1:dXFS2zaQR8fyzuv k8s.io/apimachinery v0.17.1/go.mod h1:b9qmWdKlLuU9EBh+06BtLcSf/Mu89rWL33naRxs1uZg= k8s.io/apimachinery v0.18.3/go.mod h1:OaXp26zu/5J7p0f92ASynJa1pZo06YlV9fG7BoWbCko= k8s.io/apimachinery v0.19.2/go.mod h1:DnPGDnARWFvYa3pMHgSxtbZb7gpzzAZ1pTfaUNDVlmA= +k8s.io/apimachinery v0.20.1/go.mod h1:WlLqWAHZGg07AeltaI0MV5uk1Omp8xaN0JGLY6gkRpU= k8s.io/apimachinery v0.21.0 h1:3Fx+41if+IRavNcKOz09FwEXDBG6ORh6iMsTSelhkMA= k8s.io/apimachinery v0.21.0/go.mod h1:jbreFvJo3ov9rj7eWT7+sYiRx+qZuCYXwWT1bcDswPY= k8s.io/apiserver v0.18.3/go.mod h1:tHQRmthRPLUtwqsOnJJMoI8SW3lnoReZeE861lH8vUw= k8s.io/apiserver v0.19.2/go.mod h1:FreAq0bJ2vtZFj9Ago/X0oNGC51GfubKK/ViOKfVAOA= +k8s.io/apiserver v0.20.1/go.mod h1:ro5QHeQkgMS7ZGpvf4tSMx6bBOgPfE+f52KwvXfScaU= k8s.io/apiserver v0.21.0/go.mod h1:w2YSn4/WIwYuxG5zJmcqtRdtqgW/J2JRgFAqps3bBpg= k8s.io/client-go v0.21.0 h1:n0zzzJsAQmJngpC0IhgFcApZyoGXPrDIAD601HD09ag= k8s.io/client-go v0.21.0/go.mod h1:nNBytTF9qPFDEhoqgEPaarobC8QPae13bElIVHzIglA= @@ -2574,8 +2789,11 @@ k8s.io/code-generator v0.18.3/go.mod h1:TgNEVx9hCyPGpdtCWA34olQYLkh3ok9ar7XfSsr8 k8s.io/code-generator v0.21.0/go.mod h1:hUlps5+9QaTrKx+jiM4rmq7YmH8wPOIko64uZCHDh6Q= k8s.io/component-base v0.18.3/go.mod h1:bp5GzGR0aGkYEfTj+eTY0AN/vXTgkJdQXjNTTVUaa3k= k8s.io/component-base v0.19.2/go.mod h1:g5LrsiTiabMLZ40AR6Hl45f088DevyGY+cCE2agEIVo= +k8s.io/component-base v0.20.1/go.mod h1:guxkoJnNoh8LNrbtiQOlyp2Y2XFCZQmrcg2n/DeYNLk= k8s.io/component-base v0.21.0 h1:tLLGp4BBjQaCpS/KiuWh7m2xqvAdsxLm4ATxHSe5Zpg= k8s.io/component-base v0.21.0/go.mod h1:qvtjz6X0USWXbgmbfXR+Agik4RZ3jv2Bgr5QnZzdPYw= +k8s.io/cri-api v0.17.3/go.mod h1:X1sbHmuXhwaHs9xxYffLqJogVsnI+f6cPRcgPel7ywM= +k8s.io/cri-api v0.20.1/go.mod h1:2JRbKt+BFLTjtrILYVqQK5jqhI+XNdF6UiGMgczeBCI= k8s.io/gengo v0.0.0-20190128074634-0689ccc1d7d6/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0= k8s.io/gengo v0.0.0-20200114144118-36b2048a9120/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0= k8s.io/gengo v0.0.0-20200413195148-3a45101e95ac/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0= @@ -2583,13 +2801,16 @@ k8s.io/gengo v0.0.0-20201214224949-b6c5ce23f027/go.mod h1:FiNAH4ZV3gBg2Kwh89tzAE k8s.io/klog/v2 v2.0.0/go.mod h1:PBfzABfn139FHAV07az/IF9Wp1bkk3vpT2XSJ76fSDE= k8s.io/klog/v2 v2.2.0/go.mod h1:Od+F08eJP+W3HUb4pSrPpgp9DGU4GzlpG/TmITuYh/Y= k8s.io/klog/v2 v2.3.0/go.mod h1:Od+F08eJP+W3HUb4pSrPpgp9DGU4GzlpG/TmITuYh/Y= +k8s.io/klog/v2 v2.4.0/go.mod h1:Od+F08eJP+W3HUb4pSrPpgp9DGU4GzlpG/TmITuYh/Y= k8s.io/klog/v2 v2.8.0 h1:Q3gmuM9hKEjefWFFYF0Mat+YyFJvsUyYuwyNNJ5C9Ts= k8s.io/klog/v2 v2.8.0/go.mod h1:hy9LJ/NvuK+iVyP4Ehqva4HxZG/oXyIS3n3Jmire4Ec= k8s.io/kube-openapi v0.0.0-20191107075043-30be4d16710a/go.mod h1:1TqjTSzOxsLGIKfj0lK8EeCP7K1iUG65v09OM0/WG5E= k8s.io/kube-openapi v0.0.0-20200410145947-61e04a5be9a6/go.mod h1:GRQhZsXIAJ1xR0C9bd8UpWHZ5plfAS9fzPjJuQ6JL3E= k8s.io/kube-openapi v0.0.0-20200805222855-6aeccd4b50c6/go.mod h1:UuqjUnNftUyPE5H64/qeyjQoUZhGpeFDVdxjTeEVN2o= +k8s.io/kube-openapi v0.0.0-20201113171705-d219536bb9fd/go.mod h1:WOJ3KddDSol4tAGcJo0Tvi+dK12EcqSLqcWsryKMpfM= k8s.io/kube-openapi v0.0.0-20210305001622-591a79e4bda7 h1:vEx13qjvaZ4yfObSSXW7BrMc/KQBBT/Jyee8XtLf4x0= k8s.io/kube-openapi v0.0.0-20210305001622-591a79e4bda7/go.mod h1:wXW5VT87nVfh/iLV8FpR2uDvrFyomxbtb1KivDbvPTE= +k8s.io/kubernetes v1.13.0/go.mod h1:ocZa8+6APFNC2tX1DZASIbocyYT5jHzqFVsY5aoB7Jk= k8s.io/utils v0.0.0-20191114200735-6ca3b61696b6/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew= k8s.io/utils v0.0.0-20200324210504-a9aa75ae1b89/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew= k8s.io/utils v0.0.0-20200729134348-d5654de09c73/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA= @@ -2609,6 +2830,7 @@ rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0= rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA= sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.0.7/go.mod h1:PHgbrJT7lCHcxMU+mDHEm+nx46H4zuuHZkDP6icnhu0= sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.0.9/go.mod h1:dzAXnQbTRyDlZPJX2SUPEqvnB+j7AJjtlox7PEwigU0= +sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.0.14/go.mod h1:LEScyzhFmoF5pso/YSeBstl57mOzx9xlU9n85RGrDQg= sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.0.15/go.mod h1:LEScyzhFmoF5pso/YSeBstl57mOzx9xlU9n85RGrDQg= sigs.k8s.io/controller-runtime v0.9.0-beta.5 h1:yteq8am8lUFvlI/bfIgySMp/MqAPXiAghxX+XrMCifE= sigs.k8s.io/controller-runtime v0.9.0-beta.5/go.mod h1:ufPDuvefw2Y1KnBgHQrLdOjueYlj+XJV2AszbT+WTxs= diff --git a/pkg/crow/crow.go b/pkg/crow/crow.go new file mode 100644 index 000000000000..3d8111833bf3 --- /dev/null +++ b/pkg/crow/crow.go @@ -0,0 +1,309 @@ +// Package crow implements a correctness checker tool similar to Loki Canary. +// Inspired by Cortex test-exporter. +package crow + +import ( + "context" + "errors" + "flag" + "fmt" + "math" + "math/rand" + "strings" + "sync" + "time" + + "github.com/prometheus/client_golang/api" + promapi "github.com/prometheus/client_golang/api/prometheus/v1" + "github.com/prometheus/client_golang/prometheus" + "github.com/prometheus/common/model" +) + +// Config for the Crow metrics checker. +type Config struct { + PrometheusAddr string // Base URL of Prometheus server + GenerateSamples int // Number of samples to generate + UserID string // User ID to use when querying. + ExtraSelectors string // Extra selectors for queries, i.e., cluster="prod" + + // Querying Params + + QueryTimeout time.Duration // Timeout for querying + QueryDuration time.Duration // Time before and after sample to search + QueryStep time.Duration // Step between samples in search + + // Validation Params + + MaxValidations int // Maximum amount of times to search for a sample + MaxTimestampDelta time.Duration // Maximum timestamp delta to use for validating. + ValueEpsilon float64 // Maximum epsilon to use for validating. +} + +// RegisterFlags registers flags for the config to the given FlagSet. +func (c *Config) RegisterFlags(f *flag.FlagSet) { + f.StringVar(&c.PrometheusAddr, "prometheus-addr", DefaultConfig.PrometheusAddr, "Root URL of the Prometheus API to query against") + f.IntVar(&c.GenerateSamples, "generate-samples", DefaultConfig.GenerateSamples, "Number of samples to generate when being scraped") + f.StringVar(&c.UserID, "user-id", DefaultConfig.UserID, "UserID to attach to query. Useful for querying multi-tenated Cortex.") + f.StringVar(&c.ExtraSelectors, "extra-selectors", DefaultConfig.ExtraSelectors, "Extra selectors to include in queries, useful for identifying different instances of this job.") + + f.DurationVar(&c.QueryDuration, "query-timeout", DefaultConfig.QueryTimeout, "timeout for querying") + f.DurationVar(&c.QueryDuration, "query-duration", DefaultConfig.QueryDuration, "time before and after sample to search") + f.DurationVar(&c.QueryDuration, "query-step", DefaultConfig.QueryStep, "step between samples when searching") + + f.IntVar(&c.MaxValidations, "max-validations", DefaultConfig.MaxValidations, "Maximum number of times to try validating a sample") + f.DurationVar(&c.MaxTimestampDelta, "max-timestamp-delta", DefaultConfig.MaxTimestampDelta, "maximum difference from the stored timestamp from the validating sample to allow") + f.Float64Var(&c.ValueEpsilon, "sample-epsilon", DefaultConfig.ValueEpsilon, "maximum difference from the stored value from the validating sample to allow") +} + +// DefaultConfig holds defaults for Crow settings. +var DefaultConfig = Config{ + MaxValidations: 5, + GenerateSamples: 10, + + QueryTimeout: 150 * time.Millisecond, + QueryDuration: 2 * time.Second, + QueryStep: 100 * time.Millisecond, + + // MaxTimestampDelta is set to 750ms to allow some buffer for a slow network + // before the scrape goes through. + MaxTimestampDelta: 750 * time.Millisecond, + ValueEpsilon: 0.0001, +} + +// Crow is a collectness checker that validates scraped metrics reach a +// Prometheus-compatible server with the same values and roughly the same +// timestamp. +// +// Crow exposes two sets of metrics: +// +// 1. Test metrics, where each scrape generates a validation job. +// 2. State metrics, exposing state of the Crow checker itself. +// +// These two metrics should be exposed via different endpoints, and only state +// metrics are safe to be manually collecetd from. +// +// Collecting from the set of test metrics generates a validation job, where +// Crow will query the Prometheus API to ensure the metrics that were scraped +// were written with (approximately) the same timestamp as the scrape time +// and with (approximately) the same floatnig point values exposed in the +// scrape. +// +// If a set of test metrics were not found and retries have been exhausted, +// or if the metrics were found but the values did not match, the error +// counter will increase. +type Crow struct { + cfg Config + m *metrics + + promClient promapi.API + + wg sync.WaitGroup + quit chan struct{} + + pendingMtx sync.Mutex + pending []*sample + sampleCh chan []*sample +} + +// New creates a new Crow. +func New(cfg Config) (*Crow, error) { + c, err := newCrow(cfg) + if err != nil { + return nil, err + } + + c.wg.Add(1) + go c.runLoop() + return c, nil +} + +func newCrow(cfg Config) (*Crow, error) { + cli, err := api.NewClient(api.Config{ + Address: cfg.PrometheusAddr, + }) + if err != nil { + return nil, fmt.Errorf("failed to create prometheus client: %w", err) + } + + c := &Crow{ + cfg: cfg, + m: newMetrics(), + promClient: promapi.NewAPI(cli), + + quit: make(chan struct{}), + + sampleCh: make(chan []*sample), + } + return c, nil +} + +func (c *Crow) runLoop() { + defer c.wg.Done() + + ticker := time.NewTicker(500 * time.Millisecond) + defer ticker.Stop() + + for { + select { + case <-c.quit: + return + case samples := <-c.sampleCh: + c.m.totalScrapes.Inc() + c.m.totalSamples.Add(float64(len(samples))) + + c.appendSamples(samples) + case <-ticker.C: + c.checkPending() + } + } +} + +// appendSamples queues samples to be checked. +func (c *Crow) appendSamples(samples []*sample) { + c.pendingMtx.Lock() + defer c.pendingMtx.Unlock() + c.pending = append(c.pending, samples...) + c.m.pendingSets.Set(float64(len(c.pending))) +} + +// checkPending iterates over all pending samples. Samples that are ready +// are immediately validated. Samples are requeued if they're not ready or +// not found during validation. +func (c *Crow) checkPending() { + c.pendingMtx.Lock() + defer c.pendingMtx.Unlock() + + now := time.Now().UTC() + + requeued := []*sample{} + for _, s := range c.pending { + if !s.Ready(now) { + requeued = append(requeued, s) + continue + } + + err := c.validate(s) + if err == nil { + c.m.totalResults.WithLabelValues("success").Inc() + continue + } + + s.ValidationAttempt++ + if s.ValidationAttempt < c.cfg.MaxValidations { + requeued = append(requeued, s) + continue + } + + var vf errValidationFailed + if errors.As(err, &vf) { + switch { + case vf.mismatch: + c.m.totalResults.WithLabelValues("mismatch").Inc() + case vf.missing: + c.m.totalResults.WithLabelValues("missing").Inc() + default: + c.m.totalResults.WithLabelValues("unknown").Inc() + } + } + } + c.pending = requeued + c.m.pendingSets.Set(float64(len(c.pending))) +} + +type errValidationFailed struct { + missing bool + mismatch bool +} + +func (e errValidationFailed) Error() string { + switch { + case e.missing: + return "validation failed: sample missing" + case e.mismatch: + return "validation failed: sample does not match" + default: + return "validation failed" + } +} + +// validate validates a sample. If the sample should be requeued (i.e., +// couldn't be found), returns true. +func (c *Crow) validate(b *sample) error { + ctx, cancel := context.WithTimeout(context.Background(), c.cfg.QueryTimeout) + defer cancel() + + labels := make([]string, 0, len(b.Labels)) + for k, v := range b.Labels { + labels = append(labels, fmt.Sprintf(`%s="%s"`, k, v)) + } + if c.cfg.ExtraSelectors != "" { + labels = append(labels, c.cfg.ExtraSelectors) + } + + query := fmt.Sprintf("%s{%s}", validationSampleName, strings.Join(labels, ",")) + val, _, err := c.promClient.QueryRange(ctx, query, promapi.Range{ + Start: b.ScrapeTime.UTC().Add(-c.cfg.QueryDuration), + End: b.ScrapeTime.UTC().Add(+c.cfg.QueryDuration), + Step: c.cfg.QueryStep, + }) + + if err != nil { + fmt.Println(err) + } else if m, ok := val.(model.Matrix); ok { + return c.validateInMatrix(b, m) + } + + return errValidationFailed{missing: true} +} + +func (c *Crow) validateInMatrix(b *sample, m model.Matrix) error { + var found, matches bool + + for _, ss := range m { + for _, sp := range ss.Values { + ts := time.Unix(0, sp.Timestamp.UnixNano()) + dist := b.ScrapeTime.Sub(ts) + if dist < 0 { + dist = -dist + } + + if dist <= c.cfg.MaxTimestampDelta { + found = true + matches = math.Abs(float64(sp.Value)-b.Value) <= c.cfg.ValueEpsilon + } + + if found && matches { + break + } + } + } + + if !found || !matches { + return errValidationFailed{ + missing: !found, + mismatch: found && !matches, + } + } + return nil +} + +// TestMetrics exposes a collector of test metrics. Each collection will +// schedule a validation job. +func (c *Crow) TestMetrics() prometheus.Collector { + return &sampleGenerator{ + numSamples: c.cfg.GenerateSamples, + sendCh: c.sampleCh, + + r: rand.New(rand.NewSource(time.Now().Unix())), + } +} + +// StateMetrics exposes metrics of Crow itself. These metrics are not validated +// for presence in the remote system. +func (c *Crow) StateMetrics() prometheus.Collector { return c.m } + +// Stop stops crow. Panics if Stop is called more than once. +func (c *Crow) Stop() { + close(c.quit) + c.wg.Wait() +} diff --git a/pkg/crow/crow_e2e_test.go b/pkg/crow/crow_e2e_test.go new file mode 100644 index 000000000000..2c9050b581be --- /dev/null +++ b/pkg/crow/crow_e2e_test.go @@ -0,0 +1,220 @@ +// +build has_docker,has_network + +package crow + +import ( + "context" + "fmt" + "io" + "io/ioutil" + "math/rand" + "net" + "net/http" + "os" + "strings" + "testing" + "time" + + "github.com/gorilla/mux" + "github.com/grafana/agent/pkg/util" + "github.com/prometheus/client_golang/prometheus" + "github.com/prometheus/client_golang/prometheus/promhttp" + "github.com/stretchr/testify/require" + + "github.com/testcontainers/testcontainers-go" +) + +func TestCrow_validate(t *testing.T) { + var ( + validateReg = prometheus.NewRegistry() + httpAddr = exposeValidate(t, validateReg) + ) + + // Create a sample generator + sendCh := make(chan []*sample, 5) + gen := &sampleGenerator{ + numSamples: 1, + sendCh: sendCh, + r: rand.New(rand.NewSource(0)), + } + validateReg.MustRegister(gen) + + promAddr, promContainerAddr := launchPrometheusWithConfig(t, ``) + + launchAgentWithConfig(t, fmt.Sprintf( + util.Untab(` +prometheus: + global: + scrape_interval: 5s + external_labels: + cluster: test + configs: + - name: default + scrape_configs: + - job_name: crow + metrics_path: /validate + static_configs: + - targets: ['host.docker.internal:%d'] + remote_write: + - url: http://%s/api/v1/write +`), + httpAddr.(*net.TCPAddr).Port, + promContainerAddr, + )) + + // Wait for a scrape to happen + var s *sample + select { + case <-time.After(30 * time.Second): + require.FailNow(t, "timed out waiting for a scrape") + case samples := <-sendCh: + s = samples[0] + } + + crowCfg := DefaultConfig + crowCfg.PrometheusAddr = "http://" + promAddr + crowCfg.GenerateSamples = 1 + crowCfg.ExtraSelectors = `cluster="test"` + crowCfg.UserID = "user" + + c, err := newCrow(crowCfg) + require.NoError(t, err) + + for i := 0; i < 10; i++ { + time.Sleep(time.Second) + err = c.validate(s) + if err == nil { + break + } + } + require.NoError(t, err) +} + +func exposeValidate(t *testing.T, g prometheus.Gatherer) net.Addr { + t.Helper() + + lis, err := net.Listen("tcp", "0.0.0.0:0") + require.NoError(t, err) + t.Cleanup(func() { + _ = lis.Close() + }) + + var ( + opts promhttp.HandlerOpts + router = mux.NewRouter() + ) + router.Handle("/validate", promhttp.HandlerFor(g, opts)) + go func() { + _ = http.Serve(lis, router) + }() + + return lis.Addr() +} + +func launchAgentWithConfig(t *testing.T, config string) (hostAddr, containerAddr string) { + t.Helper() + + // Create config for Agent to use + f, err := ioutil.TempFile(os.TempDir(), "agent-conf-*.yml") + require.NoError(t, err) + t.Cleanup(func() { + _ = os.RemoveAll(f.Name()) + }) + defer f.Close() + _, err = io.Copy(f, strings.NewReader(config)) + require.NoError(t, err) + + req := testcontainers.GenericContainerRequest{ + Started: true, + ContainerRequest: testcontainers.ContainerRequest{ + Image: "grafana/agent:v0.16.1", + BindMounts: map[string]string{ + f.Name(): "/etc/agent.yaml", + }, + Entrypoint: []string{ + "/bin/agent", + "-log.level=debug", + "-config.file=/etc/agent.yaml", + "-prometheus.wal-directory=/tmp/agent", + }, + ExposedPorts: []string{"80/tcp"}, + }, + } + + ctx := context.Background() + c, err := testcontainers.GenericContainer(ctx, req) + require.NoError(t, err) + t.Cleanup(func() { + c.Terminate(context.Background()) + }) + + // If the test failed, print logs on exit + t.Cleanup(func() { + if !t.Failed() { + return + } + + r, err := c.Logs(ctx) + if err != nil { + return + } + + var sb strings.Builder + fmt.Fprintf(&sb, "=== start agent container logs ===\n") + io.Copy(&sb, r) + fmt.Fprintf(&sb, "=== end agent container logs ===\n") + fmt.Println(sb.String()) + }) + + containerIP, err := c.ContainerIP(ctx) + require.NoError(t, err) + hostIP, err := c.Host(ctx) + require.NoError(t, err) + port, err := c.MappedPort(ctx, "80") + require.NoError(t, err) + return fmt.Sprintf("%s:%d", hostIP, port.Int()), fmt.Sprintf("%s:80", containerIP) +} + +func launchPrometheusWithConfig(t *testing.T, config string) (hostAddr, containerAddr string) { + t.Helper() + + // Create config for Agent to use + f, err := ioutil.TempFile(os.TempDir(), "prometheus-conf-*.yml") + require.NoError(t, err) + t.Cleanup(func() { + _ = os.RemoveAll(f.Name()) + }) + defer f.Close() + _, err = io.Copy(f, strings.NewReader(config)) + require.NoError(t, err) + + req := testcontainers.GenericContainerRequest{ + Started: true, + ContainerRequest: testcontainers.ContainerRequest{ + Image: "prom/prometheus:v2.26.0", + BindMounts: map[string]string{ + f.Name(): "/etc/prometheus.yml", + }, + Cmd: []string{ + "--config.file=/etc/prometheus.yml", + "--enable-feature=remote-write-receiver", + }, + ExposedPorts: []string{"9090/tcp"}, + }, + } + + ctx := context.Background() + c, err := testcontainers.GenericContainer(ctx, req) + require.NoError(t, err) + t.Cleanup(func() { + c.Terminate(context.Background()) + }) + + containerIP, err := c.ContainerIP(ctx) + require.NoError(t, err) + hostIP, err := c.Host(ctx) + require.NoError(t, err) + port, err := c.MappedPort(ctx, "9090") + require.NoError(t, err) + return fmt.Sprintf("%s:%d", hostIP, port.Int()), fmt.Sprintf("%s:9090", containerIP) +} diff --git a/pkg/crow/crow_test.go b/pkg/crow/crow_test.go new file mode 100644 index 000000000000..b0b7a2e4b8d8 --- /dev/null +++ b/pkg/crow/crow_test.go @@ -0,0 +1,48 @@ +package crow + +import ( + "math/rand" + "strings" + "testing" + + "github.com/prometheus/client_golang/prometheus" + "github.com/prometheus/common/expfmt" + "github.com/stretchr/testify/require" +) + +func Test_sampleGenerator(t *testing.T) { + var ( + reg = prometheus.NewRegistry() + ) + + gen := sampleGenerator{ + numSamples: 10, + sendCh: make(chan<- []*sample, 10), + r: rand.New(rand.NewSource(0)), + } + reg.MustRegister(&gen) + + mfs, err := reg.Gather() + require.NoError(t, err) + + var sb strings.Builder + enc := expfmt.NewEncoder(&sb, expfmt.FmtText) + for _, mf := range mfs { + require.NoError(t, enc.Encode(mf)) + } + + expect := `# HELP crow_validation_sample Sample to validate +# TYPE crow_validation_sample gauge +crow_validation_sample{sample_num="sample_0"} 165505 +crow_validation_sample{sample_num="sample_1"} 393152 +crow_validation_sample{sample_num="sample_2"} 995827 +crow_validation_sample{sample_num="sample_3"} 197794 +crow_validation_sample{sample_num="sample_4"} 376202 +crow_validation_sample{sample_num="sample_5"} 126063 +crow_validation_sample{sample_num="sample_6"} 980153 +crow_validation_sample{sample_num="sample_7"} 422456 +crow_validation_sample{sample_num="sample_8"} 894929 +crow_validation_sample{sample_num="sample_9"} 637646 +` + require.Equal(t, expect, sb.String()) +} diff --git a/pkg/crow/metrics.go b/pkg/crow/metrics.go new file mode 100644 index 000000000000..6550cc74c596 --- /dev/null +++ b/pkg/crow/metrics.go @@ -0,0 +1,62 @@ +package crow + +import "github.com/prometheus/client_golang/prometheus" + +type metrics struct { + totalScrapes prometheus.Counter + totalSamples prometheus.Counter + totalResults *prometheus.CounterVec + pendingSets prometheus.Gauge + + cachedCollectors []prometheus.Collector +} + +func newMetrics() *metrics { + var m metrics + + m.totalScrapes = prometheus.NewCounter(prometheus.CounterOpts{ + Name: "crow_test_scrapes_total", + Help: "Total number of generated test sample sets", + }) + + m.totalSamples = prometheus.NewCounter(prometheus.CounterOpts{ + Name: "crow_test_samples_total", + Help: "Total number of generated test samples", + }) + + m.totalResults = prometheus.NewCounterVec(prometheus.CounterOpts{ + Name: "crow_test_sample_results_total", + Help: "Total validation results of test samples", + }, []string{"result"}) // result is either "success", "missing", "mismatch", or "unknown" + + m.pendingSets = prometheus.NewGauge(prometheus.GaugeOpts{ + Name: "crow_test_pending_validations", + Help: "Total number of pending validations to perform", + }) + + return &m +} + +func (m *metrics) collectors() []prometheus.Collector { + if m.cachedCollectors == nil { + m.cachedCollectors = []prometheus.Collector{ + m.totalScrapes, + m.totalSamples, + m.totalResults, + m.pendingSets, + } + } + return m.cachedCollectors +} + +func (m *metrics) Describe(ch chan<- *prometheus.Desc) { + for _, c := range m.collectors() { + c.Describe(ch) + } +} + +func (m *metrics) Collect(ch chan<- prometheus.Metric) { + for _, c := range m.collectors() { + c.Collect(ch) + } +} diff --git a/pkg/crow/samples.go b/pkg/crow/samples.go new file mode 100644 index 000000000000..549a1863297a --- /dev/null +++ b/pkg/crow/samples.go @@ -0,0 +1,70 @@ +package crow + +import ( + "fmt" + "math" + "math/rand" + "time" + + "github.com/prometheus/client_golang/prometheus" +) + +type sample struct { + ScrapeTime time.Time + Labels prometheus.Labels + Value float64 + + // How many times this sample has attempted to be valdated. Starts at 0. + ValidationAttempt int +} + +// Ready checks if this sample is ready to be validated. +func (s *sample) Ready(now time.Time) bool { + // Exponential backoff from 500ms up (500ms * 2^attempt). + backoff := (500 * time.Millisecond) * time.Duration(math.Pow(2, float64(s.ValidationAttempt))) + return now.After(s.ScrapeTime.Add(backoff)) +} + +type sampleGenerator struct { + numSamples int + sendCh chan<- []*sample + r *rand.Rand +} + +const validationSampleName = "crow_validation_sample" + +func (sg *sampleGenerator) Describe(ch chan<- *prometheus.Desc) { + ch <- prometheus.NewDesc( + validationSampleName, "Sample to validate", + []string{"sample_num"}, + prometheus.Labels{}, + ) +} + +func (sg *sampleGenerator) Collect(ch chan<- prometheus.Metric) { + var ( + scrapeTime = time.Now() + desc = prometheus.NewDesc( + validationSampleName, "Sample to validate", + []string{"sample_num"}, + prometheus.Labels{}, + ) + ) + + samples := make([]*sample, sg.numSamples) + for s := 0; s < sg.numSamples; s++ { + samples[s] = &sample{ + ScrapeTime: scrapeTime, + Labels: prometheus.Labels{}, + Value: float64(sg.r.Int63n(1_000_000)), + } + + ch <- prometheus.MustNewConstMetric( + desc, + prometheus.GaugeValue, + samples[s].Value, fmt.Sprintf("sample_%d", s), + ) + } + + sg.sendCh <- samples +} From 0332dd2b3b9e06e1e4356a2101455bf60af3e051 Mon Sep 17 00:00:00 2001 From: Robert Fratto Date: Thu, 22 Jul 2021 19:31:43 -0400 Subject: [PATCH 2/9] increase default sample backoff to 1.25s --- pkg/crow/samples.go | 9 ++++++--- pkg/crow/samples_test.go | 30 ++++++++++++++++++++++++++++++ 2 files changed, 36 insertions(+), 3 deletions(-) create mode 100644 pkg/crow/samples_test.go diff --git a/pkg/crow/samples.go b/pkg/crow/samples.go index 549a1863297a..4cdf3f86abc0 100644 --- a/pkg/crow/samples.go +++ b/pkg/crow/samples.go @@ -2,7 +2,6 @@ package crow import ( "fmt" - "math" "math/rand" "time" @@ -20,11 +19,15 @@ type sample struct { // Ready checks if this sample is ready to be validated. func (s *sample) Ready(now time.Time) bool { - // Exponential backoff from 500ms up (500ms * 2^attempt). - backoff := (500 * time.Millisecond) * time.Duration(math.Pow(2, float64(s.ValidationAttempt))) + backoff := sampleBackoff(s.ValidationAttempt) return now.After(s.ScrapeTime.Add(backoff)) } +func sampleBackoff(attempt int) time.Duration { + // Exponential backoff from 1s up to 1s + (500ms * 2^attempt). + return time.Second + (250 * time.Millisecond * 1 << attempt) +} + type sampleGenerator struct { numSamples int sendCh chan<- []*sample diff --git a/pkg/crow/samples_test.go b/pkg/crow/samples_test.go new file mode 100644 index 000000000000..3d632e3a5268 --- /dev/null +++ b/pkg/crow/samples_test.go @@ -0,0 +1,30 @@ +package crow + +import ( + "fmt" + "testing" + "time" + + "github.com/stretchr/testify/require" +) + +func Test_sampleBackoff(t *testing.T) { + tt := []struct { + attempt int + expect time.Duration + }{ + {attempt: 0, expect: 1250 * time.Millisecond}, + {attempt: 1, expect: 1500 * time.Millisecond}, + {attempt: 2, expect: 2000 * time.Millisecond}, + {attempt: 3, expect: 3000 * time.Millisecond}, + {attempt: 4, expect: 5000 * time.Millisecond}, + {attempt: 5, expect: 9000 * time.Millisecond}, + } + + for _, tc := range tt { + t.Run(fmt.Sprintf("%d", tc.attempt), func(t *testing.T) { + actual := sampleBackoff(tc.attempt) + require.Equal(t, tc.expect, actual) + }) + } +} From e1d03cf65da64f29c6470e50fac807e97e2ea643 Mon Sep 17 00:00:00 2001 From: Robert Fratto Date: Thu, 22 Jul 2021 19:32:41 -0400 Subject: [PATCH 3/9] increase check frequency --- pkg/crow/crow.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/pkg/crow/crow.go b/pkg/crow/crow.go index 3d8111833bf3..05ba9febb621 100644 --- a/pkg/crow/crow.go +++ b/pkg/crow/crow.go @@ -140,7 +140,7 @@ func newCrow(cfg Config) (*Crow, error) { func (c *Crow) runLoop() { defer c.wg.Done() - ticker := time.NewTicker(500 * time.Millisecond) + ticker := time.NewTicker(250 * time.Millisecond) defer ticker.Stop() for { From 45253d8cabc615a430a9d25e96c947c8a2228f40 Mon Sep 17 00:00:00 2001 From: Robert Fratto Date: Thu, 22 Jul 2021 19:36:25 -0400 Subject: [PATCH 4/9] tests for ready --- pkg/crow/crow_test.go | 48 --------------------------- pkg/crow/samples_test.go | 71 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 71 insertions(+), 48 deletions(-) delete mode 100644 pkg/crow/crow_test.go diff --git a/pkg/crow/crow_test.go b/pkg/crow/crow_test.go deleted file mode 100644 index b0b7a2e4b8d8..000000000000 --- a/pkg/crow/crow_test.go +++ /dev/null @@ -1,48 +0,0 @@ -package crow - -import ( - "math/rand" - "strings" - "testing" - - "github.com/prometheus/client_golang/prometheus" - "github.com/prometheus/common/expfmt" - "github.com/stretchr/testify/require" -) - -func Test_sampleGenerator(t *testing.T) { - var ( - reg = prometheus.NewRegistry() - ) - - gen := sampleGenerator{ - numSamples: 10, - sendCh: make(chan<- []*sample, 10), - r: rand.New(rand.NewSource(0)), - } - reg.MustRegister(&gen) - - mfs, err := reg.Gather() - require.NoError(t, err) - - var sb strings.Builder - enc := expfmt.NewEncoder(&sb, expfmt.FmtText) - for _, mf := range mfs { - require.NoError(t, enc.Encode(mf)) - } - - expect := `# HELP crow_validation_sample Sample to validate -# TYPE crow_validation_sample gauge -crow_validation_sample{sample_num="sample_0"} 165505 -crow_validation_sample{sample_num="sample_1"} 393152 -crow_validation_sample{sample_num="sample_2"} 995827 -crow_validation_sample{sample_num="sample_3"} 197794 -crow_validation_sample{sample_num="sample_4"} 376202 -crow_validation_sample{sample_num="sample_5"} 126063 -crow_validation_sample{sample_num="sample_6"} 980153 -crow_validation_sample{sample_num="sample_7"} 422456 -crow_validation_sample{sample_num="sample_8"} 894929 -crow_validation_sample{sample_num="sample_9"} 637646 -` - require.Equal(t, expect, sb.String()) -} diff --git a/pkg/crow/samples_test.go b/pkg/crow/samples_test.go index 3d632e3a5268..669331d73198 100644 --- a/pkg/crow/samples_test.go +++ b/pkg/crow/samples_test.go @@ -2,12 +2,46 @@ package crow import ( "fmt" + "math/rand" + "strings" "testing" "time" + "github.com/prometheus/client_golang/prometheus" + "github.com/prometheus/common/expfmt" "github.com/stretchr/testify/require" ) +func Test_sample_Ready(t *testing.T) { + tt := []struct { + sample sample + now time.Time + expect bool + }{ + { + sample: sample{ + ScrapeTime: time.Unix(100, 0).UTC(), + ValidationAttempt: 0, + }, + now: time.Unix(100, 0).UTC(), + expect: false, + }, + { + sample: sample{ + ScrapeTime: time.Unix(100, 0).UTC(), + ValidationAttempt: 0, + }, + now: time.Unix(500, 0).UTC(), + expect: true, + }, + } + + for _, tc := range tt { + ready := tc.sample.Ready(tc.now) + require.Equal(t, tc.expect, ready) + } +} + func Test_sampleBackoff(t *testing.T) { tt := []struct { attempt int @@ -28,3 +62,40 @@ func Test_sampleBackoff(t *testing.T) { }) } } + +func Test_sampleGenerator(t *testing.T) { + var ( + reg = prometheus.NewRegistry() + ) + + gen := sampleGenerator{ + numSamples: 10, + sendCh: make(chan<- []*sample, 10), + r: rand.New(rand.NewSource(0)), + } + reg.MustRegister(&gen) + + mfs, err := reg.Gather() + require.NoError(t, err) + + var sb strings.Builder + enc := expfmt.NewEncoder(&sb, expfmt.FmtText) + for _, mf := range mfs { + require.NoError(t, enc.Encode(mf)) + } + + expect := `# HELP crow_validation_sample Sample to validate +# TYPE crow_validation_sample gauge +crow_validation_sample{sample_num="sample_0"} 165505 +crow_validation_sample{sample_num="sample_1"} 393152 +crow_validation_sample{sample_num="sample_2"} 995827 +crow_validation_sample{sample_num="sample_3"} 197794 +crow_validation_sample{sample_num="sample_4"} 376202 +crow_validation_sample{sample_num="sample_5"} 126063 +crow_validation_sample{sample_num="sample_6"} 980153 +crow_validation_sample{sample_num="sample_7"} 422456 +crow_validation_sample{sample_num="sample_8"} 894929 +crow_validation_sample{sample_num="sample_9"} 637646 +` + require.Equal(t, expect, sb.String()) +} From 468873ef8af4257c831a67eb1db2b2917451c696 Mon Sep 17 00:00:00 2001 From: Robert Fratto Date: Fri, 23 Jul 2021 12:18:24 -0400 Subject: [PATCH 5/9] review feedback --- pkg/crow/crow.go | 20 ++++++++++---------- pkg/crow/crow_e2e_test.go | 2 +- pkg/crow/samples.go | 13 ++++++++++++- pkg/crow/samples_test.go | 20 ++++++++++---------- 4 files changed, 33 insertions(+), 22 deletions(-) diff --git a/pkg/crow/crow.go b/pkg/crow/crow.go index 05ba9febb621..a331b4cdcc69 100644 --- a/pkg/crow/crow.go +++ b/pkg/crow/crow.go @@ -21,10 +21,10 @@ import ( // Config for the Crow metrics checker. type Config struct { - PrometheusAddr string // Base URL of Prometheus server - GenerateSamples int // Number of samples to generate - UserID string // User ID to use when querying. - ExtraSelectors string // Extra selectors for queries, i.e., cluster="prod" + PrometheusAddr string // Base URL of Prometheus server + NumSamples int // Number of samples to generate + UserID string // User ID to use when querying. + ExtraSelectors string // Extra selectors for queries, i.e., cluster="prod" // Querying Params @@ -42,13 +42,13 @@ type Config struct { // RegisterFlags registers flags for the config to the given FlagSet. func (c *Config) RegisterFlags(f *flag.FlagSet) { f.StringVar(&c.PrometheusAddr, "prometheus-addr", DefaultConfig.PrometheusAddr, "Root URL of the Prometheus API to query against") - f.IntVar(&c.GenerateSamples, "generate-samples", DefaultConfig.GenerateSamples, "Number of samples to generate when being scraped") + f.IntVar(&c.NumSamples, "generate-samples", DefaultConfig.NumSamples, "Number of samples to generate when being scraped") f.StringVar(&c.UserID, "user-id", DefaultConfig.UserID, "UserID to attach to query. Useful for querying multi-tenated Cortex.") f.StringVar(&c.ExtraSelectors, "extra-selectors", DefaultConfig.ExtraSelectors, "Extra selectors to include in queries, useful for identifying different instances of this job.") - f.DurationVar(&c.QueryDuration, "query-timeout", DefaultConfig.QueryTimeout, "timeout for querying") + f.DurationVar(&c.QueryTimeout, "query-timeout", DefaultConfig.QueryTimeout, "timeout for querying") f.DurationVar(&c.QueryDuration, "query-duration", DefaultConfig.QueryDuration, "time before and after sample to search") - f.DurationVar(&c.QueryDuration, "query-step", DefaultConfig.QueryStep, "step between samples when searching") + f.DurationVar(&c.QueryStep, "query-step", DefaultConfig.QueryStep, "step between samples when searching") f.IntVar(&c.MaxValidations, "max-validations", DefaultConfig.MaxValidations, "Maximum number of times to try validating a sample") f.DurationVar(&c.MaxTimestampDelta, "max-timestamp-delta", DefaultConfig.MaxTimestampDelta, "maximum difference from the stored timestamp from the validating sample to allow") @@ -57,8 +57,8 @@ func (c *Config) RegisterFlags(f *flag.FlagSet) { // DefaultConfig holds defaults for Crow settings. var DefaultConfig = Config{ - MaxValidations: 5, - GenerateSamples: 10, + MaxValidations: 5, + NumSamples: 10, QueryTimeout: 150 * time.Millisecond, QueryDuration: 2 * time.Second, @@ -291,7 +291,7 @@ func (c *Crow) validateInMatrix(b *sample, m model.Matrix) error { // schedule a validation job. func (c *Crow) TestMetrics() prometheus.Collector { return &sampleGenerator{ - numSamples: c.cfg.GenerateSamples, + numSamples: c.cfg.NumSamples, sendCh: c.sampleCh, r: rand.New(rand.NewSource(time.Now().Unix())), diff --git a/pkg/crow/crow_e2e_test.go b/pkg/crow/crow_e2e_test.go index 2c9050b581be..ec223c18297b 100644 --- a/pkg/crow/crow_e2e_test.go +++ b/pkg/crow/crow_e2e_test.go @@ -73,7 +73,7 @@ prometheus: crowCfg := DefaultConfig crowCfg.PrometheusAddr = "http://" + promAddr - crowCfg.GenerateSamples = 1 + crowCfg.NumSamples = 1 crowCfg.ExtraSelectors = `cluster="test"` crowCfg.UserID = "user" diff --git a/pkg/crow/samples.go b/pkg/crow/samples.go index 4cdf3f86abc0..4ef693b21a91 100644 --- a/pkg/crow/samples.go +++ b/pkg/crow/samples.go @@ -54,6 +54,8 @@ func (sg *sampleGenerator) Collect(ch chan<- prometheus.Metric) { ) ) + usedLabels := map[string]struct{}{} + samples := make([]*sample, sg.numSamples) for s := 0; s < sg.numSamples; s++ { samples[s] = &sample{ @@ -62,10 +64,19 @@ func (sg *sampleGenerator) Collect(ch chan<- prometheus.Metric) { Value: float64(sg.r.Int63n(1_000_000)), } + GenLabel: + labelSuffix := make([]byte, 2) + _, _ = sg.r.Read(labelSuffix) + label := fmt.Sprintf("sample_%x", labelSuffix) + if _, exist := usedLabels[label]; exist { + goto GenLabel + } + usedLabels[label] = struct{}{} + ch <- prometheus.MustNewConstMetric( desc, prometheus.GaugeValue, - samples[s].Value, fmt.Sprintf("sample_%d", s), + samples[s].Value, label, ) } diff --git a/pkg/crow/samples_test.go b/pkg/crow/samples_test.go index 669331d73198..aa7ce513df70 100644 --- a/pkg/crow/samples_test.go +++ b/pkg/crow/samples_test.go @@ -86,16 +86,16 @@ func Test_sampleGenerator(t *testing.T) { expect := `# HELP crow_validation_sample Sample to validate # TYPE crow_validation_sample gauge -crow_validation_sample{sample_num="sample_0"} 165505 -crow_validation_sample{sample_num="sample_1"} 393152 -crow_validation_sample{sample_num="sample_2"} 995827 -crow_validation_sample{sample_num="sample_3"} 197794 -crow_validation_sample{sample_num="sample_4"} 376202 -crow_validation_sample{sample_num="sample_5"} 126063 -crow_validation_sample{sample_num="sample_6"} 980153 -crow_validation_sample{sample_num="sample_7"} 422456 -crow_validation_sample{sample_num="sample_8"} 894929 -crow_validation_sample{sample_num="sample_9"} 637646 +crow_validation_sample{sample_num="sample_1204"} 197794 +crow_validation_sample{sample_num="sample_48a7"} 980153 +crow_validation_sample{sample_num="sample_5baf"} 376202 +crow_validation_sample{sample_num="sample_9ee0"} 422456 +crow_validation_sample{sample_num="sample_b10d"} 894929 +crow_validation_sample{sample_num="sample_b44c"} 976708 +crow_validation_sample{sample_num="sample_c041"} 165505 +crow_validation_sample{sample_num="sample_d3ff"} 995827 +crow_validation_sample{sample_num="sample_e85f"} 259259 +crow_validation_sample{sample_num="sample_f8f9"} 637646 ` require.Equal(t, expect, sb.String()) } From 3590cfad38a6eb17b52792e2f181b24aa7d0aa86 Mon Sep 17 00:00:00 2001 From: Robert Fratto Date: Thu, 12 Aug 2021 13:44:57 -0400 Subject: [PATCH 6/9] finish initial implementation --- .drone/drone.yml | 4 +- .gitignore | 1 + Makefile | 28 ++- cmd/grafana-agent-crow/Dockerfile | 11 + cmd/grafana-agent-crow/Dockerfile.buildx | 24 ++ cmd/grafana-agent-crow/main.go | 81 +++++++ .../docker-compose/agent/config/agent.yaml | 23 +- example/docker-compose/docker-compose.yaml | 7 + go.mod | 6 +- go.sum | 12 +- pkg/crow/crow.go | 79 +++++-- pkg/crow/crow_e2e_test.go | 220 ------------------ pkg/crow/samples.go | 27 +-- pkg/crow/samples_test.go | 20 +- pkg/operator/selector_eventhandler_test.go | 8 +- 15 files changed, 250 insertions(+), 301 deletions(-) create mode 100644 cmd/grafana-agent-crow/Dockerfile create mode 100644 cmd/grafana-agent-crow/Dockerfile.buildx create mode 100644 cmd/grafana-agent-crow/main.go delete mode 100644 pkg/crow/crow_e2e_test.go diff --git a/.drone/drone.yml b/.drone/drone.yml index bbdf24da84bd..d82a61583bba 100644 --- a/.drone/drone.yml +++ b/.drone/drone.yml @@ -49,7 +49,7 @@ steps: - tar -C /usr/local -xzf go1.16.5.linux-amd64.tar.gz - rm go1.16.5.linux-amd64.tar.gz - export PATH=$PATH:/usr/local/go/bin - - make cmd/agent/agent cmd/agentctl/agentctl cmd/agent-operator/agent-operator + - make cmd/agent/agent cmd/agentctl/agentctl cmd/agent-operator/agent-operator cmd/grafana-agent-crow/grafana-agent-crow - make DRONE=true BUILD_IN_CONTAINER=false test depends_on: - Lint @@ -115,9 +115,9 @@ steps: - make DRONE=true CROSS_BUILD=true BUILD_IN_CONTAINER=true RELEASE_BUILD=true agent-image - make DRONE=true CROSS_BUILD=true BUILD_IN_CONTAINER=true RELEASE_BUILD=true agentctl-image - make DRONE=true CROSS_BUILD=true BUILD_IN_CONTAINER=true RELEASE_BUILD=true agent-operator-image + - make DRONE=true CROSS_BUILD=true BUILD_IN_CONTAINER=true RELEASE_BUILD=true grafana-agent-crow-image - docker buildx rm multiarch - depends_on: - Test diff --git a/.gitignore b/.gitignore index e0643af3c800..27b7e3050678 100644 --- a/.gitignore +++ b/.gitignore @@ -12,6 +12,7 @@ vendor cmd/agent/agent cmd/agentctl/agentctl cmd/agent-operator/agent-operator +cmd/grafana-agent-crow/grafana-agent-crow dist/ packaging/windows/LICENSE packaging/windows/agent-windows-amd64.exe diff --git a/Makefile b/Makefile index bf4c7490c905..ea81cf0b7787 100644 --- a/Makefile +++ b/Makefile @@ -177,26 +177,25 @@ all: protos agent agentctl agent: cmd/agent/agent agentctl: cmd/agentctl/agentctl agent-operator: cmd/agent-operator/agent-operator - - - +grafana-agent-crow: cmd/grafana-agent-crow/grafana-agent-crow # In general DRONE variable should overwrite any other options, if DRONE is not set then fallback to normal behavior -cmd/agent/agent: seego cmd/agent/main.go +cmd/agent/agent: seego cmd/agent/main.go $(ALL_CGO_BUILD_FLAGS) ; $(seego) build $(CGO_FLAGS) -o $@ ./$(@D) $(NETGO_CHECK) - cmd/agentctl/agentctl: seego cmd/agentctl/main.go $(ALL_CGO_BUILD_FLAGS) ; $(seego) build $(CGO_FLAGS) -o $@ ./$(@D) $(NETGO_CHECK) - cmd/agent-operator/agent-operator: cmd/agent-operator/main.go $(ALL_CGO_BUILD_FLAGS) ; $(seego) build $(CGO_FLAGS) -o $@ ./$(@D) $(NETGO_CHECK) +cmd/grafana-agent-crow/grafana-agent-crow: cmd/grafana-agent-crow/main.go + $(ALL_CGO_BUILD_FLAGS) ; $(seego) build $(CGO_FLAGS) -o $@ ./$(@D) + $(NETGO_CHECK) agent-image: $(docker-build) -t $(IMAGE_PREFIX)/agent:latest -t $(IMAGE_PREFIX)/agent:$(IMAGE_TAG) -f cmd/agent/$(DOCKERFILE) . @@ -204,11 +203,14 @@ agentctl-image: $(docker-build) -t $(IMAGE_PREFIX)/agentctl:latest -t $(IMAGE_PREFIX)/agentctl:$(IMAGE_TAG) -f cmd/agentctl/$(DOCKERFILE) . agent-operator-image: $(docker-build) -t $(IMAGE_PREFIX)/agent-operator:latest -t $(IMAGE_PREFIX)/agent-operator:$(IMAGE_TAG) -f cmd/agent-operator/$(DOCKERFILE) . - +grafana-agent-crow-image: + $(docker-build) -t $(IMAGE_PREFIX)/agent-crow:latest -t $(IMAGE_PREFIX)/agent-crow:$(IMAGE_TAG) -f cmd/grafana-agent-crow/$(DOCKERFILE) . install: CGO_ENABLED=1 go install $(CGO_FLAGS) ./cmd/agent CGO_ENABLED=0 go install $(GO_FLAGS) ./cmd/agentctl + CGO_ENABLED=0 go install $(GO_FLAGS) ./cmd/agent-operator + CGO_ENABLED=0 go install $(GO_FLAGS) ./cmd/grafana-agent-crow ####################### # Development targets # @@ -217,12 +219,14 @@ install: lint: GO111MODULE=on golangci-lint run -v --timeout=10m -# We have to run test twice: once for all packages with -race and then once more without -race -# for packages that have known race detection issues -# Run tests with -online flag set to true, to include tests requiring network connectivity in CI +# We have to run test twice: once for all packages with -race and then once +# more without -race for packages that have known race detection issues. +# +# Run tests with -tags=has_network to include tests that require network +# connectivity. test: - CGO_ENABLED=1 go test $(CGO_FLAGS) -race -cover -coverprofile=cover.out -p=4 ./... -- -online - CGO_ENABLED=1 go test $(CGO_FLAGS) -cover -coverprofile=cover-norace.out -p=4 ./pkg/integrations/node_exporter ./pkg/logs -- -online + CGO_ENABLED=1 go test $(CGO_FLAGS) -tags=has_network -race -cover -coverprofile=cover.out -p=4 ./... + CGO_ENABLED=1 go test $(CGO_FLAGS) -tags=has_network -cover -coverprofile=cover-norace.out -p=4 ./pkg/integrations/node_exporter ./pkg/logs clean: rm -rf cmd/agent/agent diff --git a/cmd/grafana-agent-crow/Dockerfile b/cmd/grafana-agent-crow/Dockerfile new file mode 100644 index 000000000000..37ae57265f8b --- /dev/null +++ b/cmd/grafana-agent-crow/Dockerfile @@ -0,0 +1,11 @@ +FROM golang:1.16-buster as build +COPY . /src/agent +WORKDIR /src/agent +ARG RELEASE_BUILD=true +ARG IMAGE_TAG + +RUN make clean && make IMAGE_TAG=${IMAGE_TAG} RELEASE_BUILD=${RELEASE_BUILD} BUILD_IN_CONTAINER=false grafana-agent-crow + +FROM debian:buster-slim +COPY --from=build /src/agent/cmd/grafana-agent-crow/grafana-agent-crow /bin/grafana-agent-crow +ENTRYPOINT ["/bin/grafana-agent-crow"] diff --git a/cmd/grafana-agent-crow/Dockerfile.buildx b/cmd/grafana-agent-crow/Dockerfile.buildx new file mode 100644 index 000000000000..64df8875aebd --- /dev/null +++ b/cmd/grafana-agent-crow/Dockerfile.buildx @@ -0,0 +1,24 @@ +FROM --platform=$BUILDPLATFORM rfratto/seego:latest as build +ARG TARGETPLATFORM +ARG BUILDPLATFORM + +# Use custom Go version instead of one prepacked in seego +ENV GOLANG_VERSION 1.16 +ENV GOLANG_DOWNLOAD_URL https://golang.org/dl/go$GOLANG_VERSION.linux-amd64.tar.gz +ENV GOLANG_DOWNLOAD_SHA256 013a489ebb3e24ef3d915abe5b94c3286c070dfe0818d5bca8108f1d6e8440d2 +RUN rm -rf /usr/local/go \ + && curl -fsSL "$GOLANG_DOWNLOAD_URL" -o golang.tar.gz \ + && echo "$GOLANG_DOWNLOAD_SHA256 golang.tar.gz" | sha256sum -c - \ + && tar -C /usr/local -xzf golang.tar.gz \ + && rm golang.tar.gz + +COPY . /src/agent +WORKDIR /src/agent +ARG RELEASE_BUILD=true +ARG IMAGE_TAG + +RUN make clean && IMAGE_TAG=${IMAGE_TAG} RELEASE_BUILD=${RELEASE_BUILD} BUILD_IN_CONTAINER=false DRONE=true make grafana-agent-crow + +FROM debian:buster-slim +COPY --from=build /src/agent/cmd/grafana-agent-crow/grafana-agent-crow /bin/grafana-agent-crow +ENTRYPOINT ["/bin/grafana-agent-crow"] diff --git a/cmd/grafana-agent-crow/main.go b/cmd/grafana-agent-crow/main.go new file mode 100644 index 000000000000..1eef5f495488 --- /dev/null +++ b/cmd/grafana-agent-crow/main.go @@ -0,0 +1,81 @@ +// Comand grafana-agent-crow is a correctness checker tool that validates that +// scraped metrics are delivered to a remote_write endpoint. Inspired by Loki +// Canary and Cortex test-exporter. +package main + +import ( + "flag" + "fmt" + "os" + + // Adds version information + _ "github.com/grafana/agent/pkg/build" + + "github.com/go-kit/kit/log/level" + "github.com/grafana/agent/pkg/crow" + "github.com/grafana/agent/pkg/util" + "github.com/prometheus/client_golang/prometheus" + "github.com/prometheus/client_golang/prometheus/promhttp" + "github.com/prometheus/common/version" + "github.com/weaveworks/common/server" +) + +func init() { + prometheus.MustRegister(version.NewCollector("grafana_agent_crow")) +} + +func main() { + var ( + fs = flag.NewFlagSet(os.Args[0], flag.ExitOnError) + + serverCfg server.Config + crowCfg crow.Config + showVersion bool + ) + + serverCfg.RegisterFlags(fs) + crowCfg.RegisterFlagsWithPrefix(fs, "crow.") + fs.BoolVar(&showVersion, "version", false, "show version") + + if err := fs.Parse(os.Args[1:]); err != nil { + fmt.Fprintln(os.Stderr, "failed to parse flags", err) + os.Exit(1) + } + if showVersion { + fmt.Println(version.Print(os.Args[0])) + os.Exit(0) + } + + l := util.NewLogger(&serverCfg) + crowCfg.Log = l + serverCfg.Log = util.GoKitLogger(l) + + s, err := server.New(serverCfg) + if err != nil { + level.Error(l).Log("msg", "failed to initialize server", "err", err) + os.Exit(1) + } + + c, err := crow.New(crowCfg) + if err != nil { + level.Error(l).Log("msg", "failed to initialize crow", "err", err) + os.Exit(1) + } + defer c.Stop() + + // The server comes with a /metrics endpoint by default using s.Registerer. + // Create a /validate endpoint to handle our validation metrics. + validator := prometheus.NewRegistry() + s.HTTP.Handle("/validate", promhttp.HandlerFor(validator, promhttp.HandlerOpts{ + EnableOpenMetrics: true, + })) + + // Register crow's metrics to /metrics and /valiate respectively. + s.Registerer.Register(c.StateMetrics()) + validator.Register(c.TestMetrics()) + + if err := s.Run(); err != nil { + level.Error(l).Log("msg", "server exited with error", "err", err) + os.Exit(1) + } +} diff --git a/example/docker-compose/agent/config/agent.yaml b/example/docker-compose/agent/config/agent.yaml index 1e720021f1da..766898cdcb2a 100644 --- a/example/docker-compose/agent/config/agent.yaml +++ b/example/docker-compose/agent/config/agent.yaml @@ -4,11 +4,23 @@ server: prometheus: global: - scrape_interval: 5s + scrape_interval: 30s configs: - name: test host_filter: false scrape_configs: + - job_name: crow + static_configs: + - targets: ['crow:8080'] + labels: + cluster: 'docker_compose' + container: 'crow' + pod: 'crow' + - job_name: crow_validate + metrics_path: /validate + static_configs: + - targets: ['crow:8080'] + - job_name: local_scrape static_configs: - targets: ['127.0.0.1:12345'] @@ -43,10 +55,6 @@ prometheus: container: 'avalanche-3' remote_write: - url: http://cortex:9009/api/prom/push - - name: tempo - host_filter: false - remote_write: - - url: http://cortex:9009/api/prom/push loki: configs: @@ -88,8 +96,5 @@ tempo: spans: true processes: true roots: true - labels: - - svc - - status spanmetrics: - prom_instance: tempo + prom_instance: test diff --git a/example/docker-compose/docker-compose.yaml b/example/docker-compose/docker-compose.yaml index a691cdefb889..68d542db4bdc 100644 --- a/example/docker-compose/docker-compose.yaml +++ b/example/docker-compose/docker-compose.yaml @@ -15,6 +15,13 @@ services: depends_on: - tempo + crow: + image: grafana/agent-crow:latest + command: + - -log.level=debug + - -server.http-listen-port=8080 + - -crow.prometheus-addr=http://cortex:9009/api/prom + loki: image: grafana/loki:2.2.1 ports: diff --git a/go.mod b/go.mod index 0ed7635336c8..06802c14f31e 100644 --- a/go.mod +++ b/go.mod @@ -4,14 +4,17 @@ go 1.16 require ( contrib.go.opencensus.io/exporter/prometheus v0.3.0 + github.com/Microsoft/hcsshim v0.8.16 // indirect github.com/Shopify/sarama v1.29.1 github.com/cortexproject/cortex v1.8.2-0.20210428155238-d382e1d80eaf github.com/davidmparrott/kafka_exporter/v2 v2.0.1 + github.com/docker/docker v20.10.7+incompatible // indirect github.com/drone/envsubst v1.0.2 github.com/fatih/structs v1.1.0 github.com/go-kit/kit v0.11.0 github.com/go-logfmt/logfmt v0.5.0 github.com/go-logr/logr v0.4.0 + github.com/go-sql-driver/mysql v1.6.0 // indirect github.com/gogo/protobuf v1.3.2 github.com/golang/protobuf v1.5.2 github.com/google/dnsmasq_exporter v0.0.0-00010101000000-000000000000 @@ -21,6 +24,7 @@ require ( github.com/hashicorp/consul/api v1.8.1 github.com/hashicorp/go-cleanhttp v0.5.2 github.com/hashicorp/go-getter v1.5.3 + github.com/imdario/mergo v0.3.12 // indirect github.com/infinityworks/github-exporter v0.0.0-20201016091012-831b72461034 github.com/jsternberg/zap-logfmt v1.2.0 github.com/justwatchcom/elasticsearch_exporter v1.1.0 @@ -35,6 +39,7 @@ require ( github.com/open-telemetry/opentelemetry-collector-contrib/processor/spanmetricsprocessor v0.30.0 github.com/open-telemetry/opentelemetry-collector-contrib/processor/tailsamplingprocessor v0.30.0 github.com/opentracing-contrib/go-grpc v0.0.0-20210225150812-73cb765af46e + github.com/opentracing-contrib/go-stdlib v1.0.0 github.com/opentracing/opentracing-go v1.2.0 github.com/pierrec/lz4 v2.6.1+incompatible // indirect github.com/pkg/errors v0.9.1 @@ -54,7 +59,6 @@ require ( github.com/sirupsen/logrus v1.8.1 github.com/spf13/cobra v1.2.1 github.com/stretchr/testify v1.7.0 - github.com/testcontainers/testcontainers-go v0.11.1 github.com/uber/jaeger-client-go v2.29.1+incompatible github.com/weaveworks/common v0.0.0-20210419092856-009d1eebd624 go.opencensus.io v0.23.0 diff --git a/go.sum b/go.sum index ef1f4f7c2071..249801442eff 100644 --- a/go.sum +++ b/go.sum @@ -382,7 +382,6 @@ github.com/containerd/continuity v0.0.0-20190815185530-f2a389ac0a02/go.mod h1:GL github.com/containerd/continuity v0.0.0-20191127005431-f65d91d395eb/go.mod h1:GL3xCUCBDV3CZiTSEKksMWbLE66hEyuu9qyDOOqM47Y= github.com/containerd/continuity v0.0.0-20200710164510-efbc4488d8fe/go.mod h1:cECdGN1O8G9bgKTlLhuPJimka6Xb/Gg7vYzCTNVxhvo= github.com/containerd/continuity v0.0.0-20201208142359-180525291bb7/go.mod h1:kR3BEg7bDFaEddKm54WSmrol1fKWDU1nKYkgrcgZT7Y= -github.com/containerd/continuity v0.0.0-20210208174643-50096c924a4e h1:6JKvHHt396/qabvMhnhUZvWaHZzfVfldxE60TK8YLhg= github.com/containerd/continuity v0.0.0-20210208174643-50096c924a4e/go.mod h1:EXlVlkqNba9rJe3j7w3Xa924itAMLgZH4UD/Q4PExuQ= github.com/containerd/fifo v0.0.0-20180307165137-3d5202aec260/go.mod h1:ODA38xgv3Kuk8dQz2ZQXpnv/UZZUHUCL7pnLehbXgQI= github.com/containerd/fifo v0.0.0-20190226154929-a9fb20d87448/go.mod h1:ODA38xgv3Kuk8dQz2ZQXpnv/UZZUHUCL7pnLehbXgQI= @@ -460,7 +459,6 @@ github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:ma github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU= github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY= github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= -github.com/creack/pty v1.1.11 h1:07n33Z8lZxZ2qwegKbObQohDhXDQxiMMz1NOUGYlesw= github.com/creack/pty v1.1.11/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= github.com/crossdock/crossdock-go v0.0.0-20160816171116-049aabb0122b/go.mod h1:v9FBN7gdVTpiD/+LZ7Po0UKvROyT87uLVxTHVky/dlQ= github.com/cucumber/godog v0.8.1/go.mod h1:vSh3r/lM+psC1BPXvdkSEuNjmXfpVqrMGYAElF6hxnA= @@ -755,7 +753,6 @@ github.com/go-openapi/validate v0.20.1/go.mod h1:b60iJT+xNNLfaQJUqLI7946tYiFEOuE github.com/go-openapi/validate v0.20.2/go.mod h1:e7OJoKNgd0twXZwIn0A43tHbvIcr/rZIVCbJBpTUoY0= github.com/go-playground/locales v0.12.1/go.mod h1:IUMDtCfWo/w/mtMfIE/IG2K+Ey3ygWanZIBtBW0W2TM= github.com/go-playground/universal-translator v0.16.0/go.mod h1:1AnU7NaIRDWWzGEKwgtJRd2xk99HeFyHw3yid4rvQIY= -github.com/go-redis/redis v6.15.9+incompatible h1:K0pv1D7EQUjfyoMql+r/jZqCLizCGKFlFgcHWWmHQjg= github.com/go-redis/redis v6.15.9+incompatible/go.mod h1:NAIEuMOZ/fxfXJIrKDQDz8wamY7mA7PouImQ2Jvg6kA= github.com/go-redis/redis/v8 v8.0.0-beta.10.0.20200905143926-df7fe4e2ce72/go.mod h1:CJP1ZIHwhosNYwIdaHPZK9vHsM3+roNBaZ7U9Of1DXc= github.com/go-redis/redis/v8 v8.2.3/go.mod h1:ysgGY09J/QeDYbu3HikWEIPCwaeOkuNoTgKayTEaEOw= @@ -1141,8 +1138,9 @@ github.com/imdario/mergo v0.3.5/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJ github.com/imdario/mergo v0.3.6/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA= github.com/imdario/mergo v0.3.8/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA= github.com/imdario/mergo v0.3.10/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA= -github.com/imdario/mergo v0.3.11 h1:3tnifQM4i+fbajXKBHXWEH+KvNHqojZ778UH75j3bGA= github.com/imdario/mergo v0.3.11/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA= +github.com/imdario/mergo v0.3.12 h1:b6R2BslTbIEToALKP7LxUvijTsNI9TAe80pLWN2g/HU= +github.com/imdario/mergo v0.3.12/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA= github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM= github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8= github.com/infinityworks/go-common v0.0.0-20170820165359-7f20a140fd37 h1:Lm6kyC3JBiJQvJrus66He0E4viqDc/m5BdiFNSkIFfU= @@ -1423,10 +1421,7 @@ github.com/mitchellh/reflectwalk v1.0.2 h1:G2LzWKi524PWgd3mLHV8Y5k7s6XUvT0Gef6zx github.com/mitchellh/reflectwalk v1.0.2/go.mod h1:mSTlrgnPZtwu0c4WaC2kGObEpuNDbx0jmZXqmk4esnw= github.com/mjibson/esc v0.2.0/go.mod h1:9Hw9gxxfHulMF5OJKCyhYD7PzlSdhzXyaGEBRPH1OPs= github.com/moby/spdystream v0.2.0/go.mod h1:f7i0iNDQJ059oMTcWxx8MA/zKFIuD/lY+0GqbN2Wy8c= -github.com/moby/sys/mount v0.2.0 h1:WhCW5B355jtxndN5ovugJlMFJawbUODuW8fSnEH6SSM= -github.com/moby/sys/mount v0.2.0/go.mod h1:aAivFE2LB3W4bACsUXChRHQ0qKWsetY4Y9V7sxOougM= github.com/moby/sys/mountinfo v0.4.0/go.mod h1:rEr8tzG/lsIZHBtN/JjGG+LMYx9eXgW2JI+6q0qou+A= -github.com/moby/sys/mountinfo v0.4.1 h1:1O+1cHA1aujwEwwVMa2Xm2l+gIpUHyd3+D+d7LZh1kM= github.com/moby/sys/mountinfo v0.4.1/go.mod h1:rEr8tzG/lsIZHBtN/JjGG+LMYx9eXgW2JI+6q0qou+A= github.com/moby/sys/symlink v0.1.0/go.mod h1:GGDODQmbFOjFsXvfLVn3+ZRxkch54RkSiGqsZeMYowQ= github.com/moby/term v0.0.0-20200312100748-672ec06f55cd/go.mod h1:DdlQx2hp0Ss5/fLikoLlEeIYiATotOjgB//nb973jeo= @@ -1545,7 +1540,6 @@ github.com/opencontainers/runc v0.0.0-20190115041553-12f6a991201f/go.mod h1:qT5X github.com/opencontainers/runc v0.1.1/go.mod h1:qT5XzbpPznkRYVz/mWwUaVBUv2rmF59PVA73FjuZG0U= github.com/opencontainers/runc v1.0.0-rc8.0.20190926000215-3e425f80a8c9/go.mod h1:qT5XzbpPznkRYVz/mWwUaVBUv2rmF59PVA73FjuZG0U= github.com/opencontainers/runc v1.0.0-rc9/go.mod h1:qT5XzbpPznkRYVz/mWwUaVBUv2rmF59PVA73FjuZG0U= -github.com/opencontainers/runc v1.0.0-rc93 h1:x2UMpOOVf3kQ8arv/EsDGwim8PTNqzL1/EYDr/+scOM= github.com/opencontainers/runc v1.0.0-rc93/go.mod h1:3NOsor4w32B2tC0Zbl8Knk4Wg84SM2ImC1fxBuqJ/H0= github.com/opencontainers/runtime-spec v0.1.2-0.20190507144316-5b71a03e2700/go.mod h1:jwyrGlmzljRJv/Fgzds9SsS/C5hL+LL3ko9hs6T5lQ0= github.com/opencontainers/runtime-spec v1.0.1/go.mod h1:jwyrGlmzljRJv/Fgzds9SsS/C5hL+LL3ko9hs6T5lQ0= @@ -1870,8 +1864,6 @@ github.com/tbrandon/mbserver v0.0.0-20170611213546-993e1772cc62/go.mod h1:qUzPVl github.com/tchap/go-patricia v2.2.6+incompatible/go.mod h1:bmLyhP68RS6kStMGxByiQ23RP/odRBOTVjwp2cDyi6I= github.com/tedsuo/ifrit v0.0.0-20191009134036-9a97d0632f00/go.mod h1:eyZnKCc955uh98WQvzOm0dgAeLnf2O0Rz0LPoC5ze+0= github.com/tent/http-link-go v0.0.0-20130702225549-ac974c61c2f9/go.mod h1:RHkNRtSLfOK7qBTHaeSX1D6BNpI3qw7NTxsmNr4RvN8= -github.com/testcontainers/testcontainers-go v0.11.1 h1:FiYsB83LSGbiawoV8TpAZGfcCUbtaeeg1SXqEKUxh08= -github.com/testcontainers/testcontainers-go v0.11.1/go.mod h1:/V0UVq+1e7NWYoqTPog179clf0Qp9TOyp4EcXaEFQz8= github.com/thanos-io/thanos v0.8.1-0.20200109203923-552ffa4c1a0d/go.mod h1:usT/TxtJQ7DzinTt+G9kinDQmRS5sxwu0unVKZ9vdcw= github.com/thanos-io/thanos v0.13.1-0.20200731083140-69b87607decf/go.mod h1:G8caR6G7pSDreRDvFm9wFuyjEBztmr8Ag3kBYpa/fEc= github.com/thanos-io/thanos v0.13.1-0.20200807203500-9b578afb4763/go.mod h1:KyW0a93tsh7v4hXAwo2CVAIRYuZT1Kkf4e04gisQjAg= diff --git a/pkg/crow/crow.go b/pkg/crow/crow.go index a331b4cdcc69..0cfff6f8c25a 100644 --- a/pkg/crow/crow.go +++ b/pkg/crow/crow.go @@ -9,14 +9,20 @@ import ( "fmt" "math" "math/rand" + "net/http" "strings" "sync" "time" + "github.com/go-kit/kit/log" + "github.com/go-kit/kit/log/level" + "github.com/opentracing-contrib/go-stdlib/nethttp" "github.com/prometheus/client_golang/api" promapi "github.com/prometheus/client_golang/api/prometheus/v1" "github.com/prometheus/client_golang/prometheus" + "github.com/prometheus/client_golang/prometheus/promhttp" "github.com/prometheus/common/model" + "github.com/weaveworks/common/user" ) // Config for the Crow metrics checker. @@ -37,22 +43,32 @@ type Config struct { MaxValidations int // Maximum amount of times to search for a sample MaxTimestampDelta time.Duration // Maximum timestamp delta to use for validating. ValueEpsilon float64 // Maximum epsilon to use for validating. + + // Logger to use. If nil, logs will be discarded. + Log log.Logger } // RegisterFlags registers flags for the config to the given FlagSet. func (c *Config) RegisterFlags(f *flag.FlagSet) { - f.StringVar(&c.PrometheusAddr, "prometheus-addr", DefaultConfig.PrometheusAddr, "Root URL of the Prometheus API to query against") - f.IntVar(&c.NumSamples, "generate-samples", DefaultConfig.NumSamples, "Number of samples to generate when being scraped") - f.StringVar(&c.UserID, "user-id", DefaultConfig.UserID, "UserID to attach to query. Useful for querying multi-tenated Cortex.") - f.StringVar(&c.ExtraSelectors, "extra-selectors", DefaultConfig.ExtraSelectors, "Extra selectors to include in queries, useful for identifying different instances of this job.") - - f.DurationVar(&c.QueryTimeout, "query-timeout", DefaultConfig.QueryTimeout, "timeout for querying") - f.DurationVar(&c.QueryDuration, "query-duration", DefaultConfig.QueryDuration, "time before and after sample to search") - f.DurationVar(&c.QueryStep, "query-step", DefaultConfig.QueryStep, "step between samples when searching") - - f.IntVar(&c.MaxValidations, "max-validations", DefaultConfig.MaxValidations, "Maximum number of times to try validating a sample") - f.DurationVar(&c.MaxTimestampDelta, "max-timestamp-delta", DefaultConfig.MaxTimestampDelta, "maximum difference from the stored timestamp from the validating sample to allow") - f.Float64Var(&c.ValueEpsilon, "sample-epsilon", DefaultConfig.ValueEpsilon, "maximum difference from the stored value from the validating sample to allow") + c.RegisterFlagsWithPrefix(f, "") +} + +// RegisterFlagsWithPrefix registers flags for the config to the given FlagSet and +// prefixing each flag with the given prefix. prefix, if non-empty, should end +// in `.`. +func (c *Config) RegisterFlagsWithPrefix(f *flag.FlagSet, prefix string) { + f.StringVar(&c.PrometheusAddr, prefix+"prometheus-addr", DefaultConfig.PrometheusAddr, "Root URL of the Prometheus API to query against") + f.IntVar(&c.NumSamples, prefix+"generate-samples", DefaultConfig.NumSamples, "Number of samples to generate when being scraped") + f.StringVar(&c.UserID, prefix+"user-id", DefaultConfig.UserID, "UserID to attach to query. Useful for querying multi-tenated Cortex.") + f.StringVar(&c.ExtraSelectors, prefix+"extra-selectors", DefaultConfig.ExtraSelectors, "Extra selectors to include in queries, useful for identifying different instances of this job.") + + f.DurationVar(&c.QueryTimeout, prefix+"query-timeout", DefaultConfig.QueryTimeout, "timeout for querying") + f.DurationVar(&c.QueryDuration, prefix+"query-duration", DefaultConfig.QueryDuration, "time before and after sample to search") + f.DurationVar(&c.QueryStep, prefix+"query-step", DefaultConfig.QueryStep, "step between samples when searching") + + f.IntVar(&c.MaxValidations, prefix+"max-validations", DefaultConfig.MaxValidations, "Maximum number of times to try validating a sample") + f.DurationVar(&c.MaxTimestampDelta, prefix+"max-timestamp-delta", DefaultConfig.MaxTimestampDelta, "maximum difference from the stored timestamp from the validating sample to allow") + f.Float64Var(&c.ValueEpsilon, prefix+"sample-epsilon", DefaultConfig.ValueEpsilon, "maximum difference from the stored value from the validating sample to allow") } // DefaultConfig holds defaults for Crow settings. @@ -118,9 +134,28 @@ func New(cfg Config) (*Crow, error) { } func newCrow(cfg Config) (*Crow, error) { - cli, err := api.NewClient(api.Config{ + if cfg.Log == nil { + cfg.Log = log.NewNopLogger() + } + + if cfg.PrometheusAddr == "" { + return nil, fmt.Errorf("Crow must be configured with a URL to use for querying Prometheus") + } + + apiCfg := api.Config{ Address: cfg.PrometheusAddr, - }) + } + if cfg.UserID != "" { + apiCfg.RoundTripper = &nethttp.Transport{ + RoundTripper: promhttp.RoundTripperFunc(func(req *http.Request) (*http.Response, error) { + _ = user.InjectOrgIDIntoHTTPRequest(user.InjectOrgID(context.Background(), cfg.UserID), req) + return api.DefaultRoundTripper.RoundTrip(req) + }), + } + } else { + apiCfg.RoundTripper = &nethttp.Transport{} + } + cli, err := api.NewClient(apiCfg) if err != nil { return nil, fmt.Errorf("failed to create prometheus client: %w", err) } @@ -241,6 +276,8 @@ func (c *Crow) validate(b *sample) error { } query := fmt.Sprintf("%s{%s}", validationSampleName, strings.Join(labels, ",")) + level.Debug(c.cfg.Log).Log("msg", "querying for sample", "query", query) + val, _, err := c.promClient.QueryRange(ctx, query, promapi.Range{ Start: b.ScrapeTime.UTC().Add(-c.cfg.QueryDuration), End: b.ScrapeTime.UTC().Add(+c.cfg.QueryDuration), @@ -248,15 +285,15 @@ func (c *Crow) validate(b *sample) error { }) if err != nil { - fmt.Println(err) + level.Error(c.cfg.Log).Log("msg", "failed to query for sample", "query", "err", err) } else if m, ok := val.(model.Matrix); ok { - return c.validateInMatrix(b, m) + return c.validateInMatrix(query, b, m) } return errValidationFailed{missing: true} } -func (c *Crow) validateInMatrix(b *sample, m model.Matrix) error { +func (c *Crow) validateInMatrix(query string, b *sample, m model.Matrix) error { var found, matches bool for _, ss := range m { @@ -272,6 +309,14 @@ func (c *Crow) validateInMatrix(b *sample, m model.Matrix) error { matches = math.Abs(float64(sp.Value)-b.Value) <= c.cfg.ValueEpsilon } + level.Debug(c.cfg.Log).Log( + "msg", "compared query to stored sample", + "query", query, + "sample", ss.Metric, + "ts", sp.Timestamp, "expect_ts", b.ScrapeTime, + "value", sp.Value, "expect_value", b.Value, + ) + if found && matches { break } diff --git a/pkg/crow/crow_e2e_test.go b/pkg/crow/crow_e2e_test.go deleted file mode 100644 index ec223c18297b..000000000000 --- a/pkg/crow/crow_e2e_test.go +++ /dev/null @@ -1,220 +0,0 @@ -// +build has_docker,has_network - -package crow - -import ( - "context" - "fmt" - "io" - "io/ioutil" - "math/rand" - "net" - "net/http" - "os" - "strings" - "testing" - "time" - - "github.com/gorilla/mux" - "github.com/grafana/agent/pkg/util" - "github.com/prometheus/client_golang/prometheus" - "github.com/prometheus/client_golang/prometheus/promhttp" - "github.com/stretchr/testify/require" - - "github.com/testcontainers/testcontainers-go" -) - -func TestCrow_validate(t *testing.T) { - var ( - validateReg = prometheus.NewRegistry() - httpAddr = exposeValidate(t, validateReg) - ) - - // Create a sample generator - sendCh := make(chan []*sample, 5) - gen := &sampleGenerator{ - numSamples: 1, - sendCh: sendCh, - r: rand.New(rand.NewSource(0)), - } - validateReg.MustRegister(gen) - - promAddr, promContainerAddr := launchPrometheusWithConfig(t, ``) - - launchAgentWithConfig(t, fmt.Sprintf( - util.Untab(` -prometheus: - global: - scrape_interval: 5s - external_labels: - cluster: test - configs: - - name: default - scrape_configs: - - job_name: crow - metrics_path: /validate - static_configs: - - targets: ['host.docker.internal:%d'] - remote_write: - - url: http://%s/api/v1/write -`), - httpAddr.(*net.TCPAddr).Port, - promContainerAddr, - )) - - // Wait for a scrape to happen - var s *sample - select { - case <-time.After(30 * time.Second): - require.FailNow(t, "timed out waiting for a scrape") - case samples := <-sendCh: - s = samples[0] - } - - crowCfg := DefaultConfig - crowCfg.PrometheusAddr = "http://" + promAddr - crowCfg.NumSamples = 1 - crowCfg.ExtraSelectors = `cluster="test"` - crowCfg.UserID = "user" - - c, err := newCrow(crowCfg) - require.NoError(t, err) - - for i := 0; i < 10; i++ { - time.Sleep(time.Second) - err = c.validate(s) - if err == nil { - break - } - } - require.NoError(t, err) -} - -func exposeValidate(t *testing.T, g prometheus.Gatherer) net.Addr { - t.Helper() - - lis, err := net.Listen("tcp", "0.0.0.0:0") - require.NoError(t, err) - t.Cleanup(func() { - _ = lis.Close() - }) - - var ( - opts promhttp.HandlerOpts - router = mux.NewRouter() - ) - router.Handle("/validate", promhttp.HandlerFor(g, opts)) - go func() { - _ = http.Serve(lis, router) - }() - - return lis.Addr() -} - -func launchAgentWithConfig(t *testing.T, config string) (hostAddr, containerAddr string) { - t.Helper() - - // Create config for Agent to use - f, err := ioutil.TempFile(os.TempDir(), "agent-conf-*.yml") - require.NoError(t, err) - t.Cleanup(func() { - _ = os.RemoveAll(f.Name()) - }) - defer f.Close() - _, err = io.Copy(f, strings.NewReader(config)) - require.NoError(t, err) - - req := testcontainers.GenericContainerRequest{ - Started: true, - ContainerRequest: testcontainers.ContainerRequest{ - Image: "grafana/agent:v0.16.1", - BindMounts: map[string]string{ - f.Name(): "/etc/agent.yaml", - }, - Entrypoint: []string{ - "/bin/agent", - "-log.level=debug", - "-config.file=/etc/agent.yaml", - "-prometheus.wal-directory=/tmp/agent", - }, - ExposedPorts: []string{"80/tcp"}, - }, - } - - ctx := context.Background() - c, err := testcontainers.GenericContainer(ctx, req) - require.NoError(t, err) - t.Cleanup(func() { - c.Terminate(context.Background()) - }) - - // If the test failed, print logs on exit - t.Cleanup(func() { - if !t.Failed() { - return - } - - r, err := c.Logs(ctx) - if err != nil { - return - } - - var sb strings.Builder - fmt.Fprintf(&sb, "=== start agent container logs ===\n") - io.Copy(&sb, r) - fmt.Fprintf(&sb, "=== end agent container logs ===\n") - fmt.Println(sb.String()) - }) - - containerIP, err := c.ContainerIP(ctx) - require.NoError(t, err) - hostIP, err := c.Host(ctx) - require.NoError(t, err) - port, err := c.MappedPort(ctx, "80") - require.NoError(t, err) - return fmt.Sprintf("%s:%d", hostIP, port.Int()), fmt.Sprintf("%s:80", containerIP) -} - -func launchPrometheusWithConfig(t *testing.T, config string) (hostAddr, containerAddr string) { - t.Helper() - - // Create config for Agent to use - f, err := ioutil.TempFile(os.TempDir(), "prometheus-conf-*.yml") - require.NoError(t, err) - t.Cleanup(func() { - _ = os.RemoveAll(f.Name()) - }) - defer f.Close() - _, err = io.Copy(f, strings.NewReader(config)) - require.NoError(t, err) - - req := testcontainers.GenericContainerRequest{ - Started: true, - ContainerRequest: testcontainers.ContainerRequest{ - Image: "prom/prometheus:v2.26.0", - BindMounts: map[string]string{ - f.Name(): "/etc/prometheus.yml", - }, - Cmd: []string{ - "--config.file=/etc/prometheus.yml", - "--enable-feature=remote-write-receiver", - }, - ExposedPorts: []string{"9090/tcp"}, - }, - } - - ctx := context.Background() - c, err := testcontainers.GenericContainer(ctx, req) - require.NoError(t, err) - t.Cleanup(func() { - c.Terminate(context.Background()) - }) - - containerIP, err := c.ContainerIP(ctx) - require.NoError(t, err) - hostIP, err := c.Host(ctx) - require.NoError(t, err) - port, err := c.MappedPort(ctx, "9090") - require.NoError(t, err) - return fmt.Sprintf("%s:%d", hostIP, port.Int()), fmt.Sprintf("%s:9090", containerIP) -} diff --git a/pkg/crow/samples.go b/pkg/crow/samples.go index 4ef693b21a91..a315d813e41e 100644 --- a/pkg/crow/samples.go +++ b/pkg/crow/samples.go @@ -47,25 +47,21 @@ func (sg *sampleGenerator) Describe(ch chan<- *prometheus.Desc) { func (sg *sampleGenerator) Collect(ch chan<- prometheus.Metric) { var ( scrapeTime = time.Now() - desc = prometheus.NewDesc( + + sampleLabel = "sample_num" + desc = prometheus.NewDesc( validationSampleName, "Sample to validate", - []string{"sample_num"}, + []string{sampleLabel}, prometheus.Labels{}, ) - ) - usedLabels := map[string]struct{}{} + usedLabels = map[string]struct{}{} + samples = make([]*sample, sg.numSamples) + ) - samples := make([]*sample, sg.numSamples) for s := 0; s < sg.numSamples; s++ { - samples[s] = &sample{ - ScrapeTime: scrapeTime, - Labels: prometheus.Labels{}, - Value: float64(sg.r.Int63n(1_000_000)), - } - GenLabel: - labelSuffix := make([]byte, 2) + labelSuffix := make([]byte, 1) _, _ = sg.r.Read(labelSuffix) label := fmt.Sprintf("sample_%x", labelSuffix) if _, exist := usedLabels[label]; exist { @@ -73,10 +69,15 @@ func (sg *sampleGenerator) Collect(ch chan<- prometheus.Metric) { } usedLabels[label] = struct{}{} + samples[s] = &sample{ + ScrapeTime: scrapeTime, + Labels: prometheus.Labels{sampleLabel: label}, + Value: float64(sg.r.Int63n(1_000_000)), + } ch <- prometheus.MustNewConstMetric( desc, prometheus.GaugeValue, - samples[s].Value, label, + samples[s].Value, samples[s].Labels[sampleLabel], ) } diff --git a/pkg/crow/samples_test.go b/pkg/crow/samples_test.go index aa7ce513df70..523c4c2a8cda 100644 --- a/pkg/crow/samples_test.go +++ b/pkg/crow/samples_test.go @@ -86,16 +86,16 @@ func Test_sampleGenerator(t *testing.T) { expect := `# HELP crow_validation_sample Sample to validate # TYPE crow_validation_sample gauge -crow_validation_sample{sample_num="sample_1204"} 197794 -crow_validation_sample{sample_num="sample_48a7"} 980153 -crow_validation_sample{sample_num="sample_5baf"} 376202 -crow_validation_sample{sample_num="sample_9ee0"} 422456 -crow_validation_sample{sample_num="sample_b10d"} 894929 -crow_validation_sample{sample_num="sample_b44c"} 976708 -crow_validation_sample{sample_num="sample_c041"} 165505 -crow_validation_sample{sample_num="sample_d3ff"} 995827 -crow_validation_sample{sample_num="sample_e85f"} 259259 -crow_validation_sample{sample_num="sample_f8f9"} 637646 +crow_validation_sample{sample_num="sample_01"} 393152 +crow_validation_sample{sample_num="sample_14"} 943416 +crow_validation_sample{sample_num="sample_2f"} 980153 +crow_validation_sample{sample_num="sample_51"} 637646 +crow_validation_sample{sample_num="sample_55"} 976708 +crow_validation_sample{sample_num="sample_94"} 995827 +crow_validation_sample{sample_num="sample_c2"} 376202 +crow_validation_sample{sample_num="sample_fa"} 126063 +crow_validation_sample{sample_num="sample_fc"} 422456 +crow_validation_sample{sample_num="sample_fd"} 197794 ` require.Equal(t, expect, sb.String()) } diff --git a/pkg/operator/selector_eventhandler_test.go b/pkg/operator/selector_eventhandler_test.go index 00299a399c77..07b58f691629 100644 --- a/pkg/operator/selector_eventhandler_test.go +++ b/pkg/operator/selector_eventhandler_test.go @@ -1,12 +1,11 @@ // These tests depend on test assets from controller-runtime which don't work on Windows. -// +build !windows +// +build !windows,has_network package operator import ( "context" - "flag" "fmt" "path/filepath" "runtime" @@ -35,16 +34,11 @@ var ( runtime.GOOS, runtime.GOARCH, ) - - online = flag.Bool("online", false, "Run tests requiring network access") ) // TestEnqueueRequestForSelector creates an example Kubenretes cluster and runs // EnqueueRequestForSelector to validate it works. func TestEnqueueRequestForSelector(t *testing.T) { - if !*online { - t.Skip("skipping test, pass -online to run tests requiring network access") - } l := log.NewNopLogger() ctx, cancel := context.WithTimeout(context.Background(), 5*time.Minute) From cd6142ee946088aef7842e4dd8b54b5c9505932d Mon Sep 17 00:00:00 2001 From: Robert Fratto Date: Thu, 12 Aug 2021 14:40:20 -0400 Subject: [PATCH 7/9] sign drone --- .drone/drone.yml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/.drone/drone.yml b/.drone/drone.yml index d82a61583bba..c9ba53dd5bc8 100644 --- a/.drone/drone.yml +++ b/.drone/drone.yml @@ -173,6 +173,6 @@ volumes: path: /var/run/docker.sock --- kind: signature -hmac: 46567e17e4575977c0b42ad45c3013f159b1d510df27656349d91a68853be485 +hmac: fe10154b59ce9b9446f781eb801b147c689f1f6e3194c2d8d20447c4e0715b6e ... From 309231bd04bd1549d0c54d2e5d7acd35b53f78ae Mon Sep 17 00:00:00 2001 From: Robert Fratto Date: Thu, 12 Aug 2021 14:42:33 -0400 Subject: [PATCH 8/9] fix lint issues --- cmd/grafana-agent-crow/main.go | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/cmd/grafana-agent-crow/main.go b/cmd/grafana-agent-crow/main.go index 1eef5f495488..2a3655e8a8bf 100644 --- a/cmd/grafana-agent-crow/main.go +++ b/cmd/grafana-agent-crow/main.go @@ -71,8 +71,8 @@ func main() { })) // Register crow's metrics to /metrics and /valiate respectively. - s.Registerer.Register(c.StateMetrics()) - validator.Register(c.TestMetrics()) + s.Registerer.MustRegister(c.StateMetrics()) + validator.MustRegister(c.TestMetrics()) if err := s.Run(); err != nil { level.Error(l).Log("msg", "server exited with error", "err", err) From 7f593f20d4466cf8b08f4b634903ec1b65579efa Mon Sep 17 00:00:00 2001 From: Robert Fratto Date: Thu, 12 Aug 2021 15:34:36 -0400 Subject: [PATCH 9/9] Update pkg/crow/samples.go --- pkg/crow/samples.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/pkg/crow/samples.go b/pkg/crow/samples.go index a315d813e41e..58751d501155 100644 --- a/pkg/crow/samples.go +++ b/pkg/crow/samples.go @@ -24,7 +24,7 @@ func (s *sample) Ready(now time.Time) bool { } func sampleBackoff(attempt int) time.Duration { - // Exponential backoff from 1s up to 1s + (500ms * 2^attempt). + // Exponential backoff from 1s up to 1s + (250ms * 2^attempt). return time.Second + (250 * time.Millisecond * 1 << attempt) }