Cirrus: Automate releasing of tested binaries

.cirrus.yml

@@ -310,6 +310,9 @@ testing_task:
     unit_test_script: '$SCRIPT_BASE/unit_test.sh |& ${TIMESTAMP}'
     integration_test_script: '$SCRIPT_BASE/integration_test.sh |& ${TIMESTAMP}'
     system_test_script: '$SCRIPT_BASE/system_test.sh |& ${TIMESTAMP}'
+    cache_release_archive_script: >-
+        [[ "$TEST_REMOTE_CLIENT" == "false" ]] || \
+            $SCRIPT_BASE/cache_release_archive.sh |& ${TIMESTAMP}
 
     on_failure:
         failed_master_script: '$CIRRUS_WORKING_DIR/$SCRIPT_BASE/notice_master_failure.sh'
@@ -379,6 +382,29 @@ special_testing_in_podman_task:
         <<: *standardlogs
 
 
+special_testing_cross_task:
+
+    depends_on:
+        - "gating"
+        - "varlink_api"
+        - "vendor"
+
+    only_if: $CIRRUS_CHANGE_MESSAGE !=~ '.*\*\*\*\s*CIRRUS:\s*TEST\s*IMAGES\s*\*\*\*.*'
+
+    env:
+        matrix:
+            SPECIALMODE: 'windows'  # See docs
+            SPECIALMODE: 'darwin'
+
+    timeout_in: 20m
+
+    setup_environment_script: '$SCRIPT_BASE/setup_environment.sh |& ${TIMESTAMP}'
+    cache_release_archive_script: '$SCRIPT_BASE/cache_release_archive.sh |& ${TIMESTAMP}'
+
+    on_failure:
+        failed_master_script: '$CIRRUS_WORKING_DIR/$SCRIPT_BASE/notice_master_failure.sh'
+
+
 # Test building of new cache-images for future PR testing, in this PR.
 test_build_cache_images_task:
 
@@ -464,6 +490,7 @@ success_task:
         - "testing"
         - "special_testing_rootless"
         - "special_testing_in_podman"
+        - "special_testing_cross"
         - "test_build_cache_images"
         - "verify_test_built_images"
         - "build_without_cgo"
@@ -479,3 +506,26 @@ success_task:
         memory: 1
 
     success_script: '$CIRRUS_WORKING_DIR/$SCRIPT_BASE/success.sh |& ${TIMESTAMP}'
+
+
+release_task:
+
+    # TODO: Uncomment both to not affect pass/fail status of entire job?
+    # allow_failures: $CI == "true"
+    # skip_notifications: $CI == "true"
+
+    depends_on:
+        - "success"
+
+    gce_instance:
+        image_name: "${IMAGE_BUILDER_CACHE_IMAGE_NAME}"
+
+    timeout_in: 30m
+
+    env:
+        CIRRUS_CLONE_DEPTH: 1  # source is not used, only Makefile
+        GCPJSON: ENCRYPTED[789d8f7e9a5972ce350fd8e60f1032ccbf4a35c3938b604774b711aad280e12c21faf10e25af1e0ba33597ffb9e39e46]
+        GCPNAME: ENCRYPTED[417d50488a4bd197bcc925ba6574de5823b97e68db1a17e3a5fde4bcf26576987345e75f8d9ea1c15a156b4612c072a1]
+        GCPROJECT: ENCRYPTED[7c80e728e046b1c76147afd156a32c1c57d4a1ac1eab93b7e68e718c61ca8564fc61fef815952b8ae0a64e7034b8fe4f]
+
+    uncache_release_archives_script: '$SCRIPT_BASE/uncache_release_archives.sh |& ${TIMESTAMP}'

.gitignore

@@ -18,3 +18,4 @@ __pycache__
 /cmd/podman/varlink/iopodman.go
 .gopathok
 test/e2e/e2e.coverprofile
+/podman*zip

Makefile

@@ -69,11 +69,16 @@ LDFLAGS_PODMAN ?= $(LDFLAGS) \
 	  -X $(LIBPOD).etcDir=$(ETCDIR)
 #Update to LIBSECCOMP_COMMIT should reflect in Dockerfile too.
 LIBSECCOMP_COMMIT := release-2.3
-
 # Rarely if ever should integration tests take more than 50min,
 # caller may override in special circumstances if needed.
 GINKGOTIMEOUT ?= -timeout=90m
 
+RELEASE_VERSION ?= $(shell git fetch --tags && git describe HEAD 2> /dev/null)
+RELEASE_DIST ?= $(shell ( source /etc/os-release; echo $$ID ))
+RELEASE_DIST_VER ?= $(shell ( source /etc/os-release; echo $$VERSION_ID | cut -d '.' -f 1))
+RELEASE_ARCH ?= $(shell go env GOARCH 2> /dev/null)
+RELEASE_BASENAME := $(shell basename $(PROJECT))
+
 # If GOPATH not specified, use one in the local directory
 ifeq ($(GOPATH),)
 export GOPATH := $(CURDIR)/_output
@@ -148,10 +153,10 @@ podman-remote: .gopathok $(PODMAN_VARLINK_DEPENDENCIES) ## Build with podman on
 	$(GO) build -gcflags '$(GCFLAGS)' -asmflags '$(ASMFLAGS)' -ldflags '$(LDFLAGS_PODMAN)' -tags "$(BUILDTAGS) remoteclient" -o bin/$@ $(PROJECT)/cmd/podman
 
 podman-remote-darwin: .gopathok $(PODMAN_VARLINK_DEPENDENCIES) ## Build with podman on remote OSX environment
-	GOOS=darwin $(GO) build -gcflags '$(GCFLAGS)' -asmflags '$(ASMFLAGS)' -ldflags '$(LDFLAGS_PODMAN)' -tags "remoteclient containers_image_openpgp exclude_graphdriver_devicemapper" -o bin/$@ $(PROJECT)/cmd/podman
+	CGO_ENABLED=0 GOOS=darwin $(GO) build -gcflags '$(GCFLAGS)' -asmflags '$(ASMFLAGS)' -ldflags '$(LDFLAGS_PODMAN)' -tags "remoteclient containers_image_openpgp exclude_graphdriver_devicemapper" -o bin/$@ $(PROJECT)/cmd/podman
 
 podman-remote-windows: .gopathok $(PODMAN_VARLINK_DEPENDENCIES) ## Build with podman for a remote windows environment
-	GOOS=windows $(GO) build -gcflags '$(GCFLAGS)' -asmflags '$(ASMFLAGS)' -ldflags '$(LDFLAGS_PODMAN)' -tags "remoteclient containers_image_openpgp exclude_graphdriver_devicemapper" -o bin/[email protected] $(PROJECT)/cmd/podman
+	CGO_ENABLED=0 GOOS=windows $(GO) build -gcflags '$(GCFLAGS)' -asmflags '$(ASMFLAGS)' -ldflags '$(LDFLAGS_PODMAN)' -tags "remoteclient containers_image_openpgp exclude_graphdriver_devicemapper" -o bin/[email protected] $(PROJECT)/cmd/podman
 
 local-cross: $(CROSS_BUILD_TARGETS) ## Cross local compilation
 
@@ -165,6 +170,7 @@ clean: ## Clean artifacts
 	rm -rf \
 		.gopathok \
 		_output \
+		podman*.zip \
 		bin \
 		build \
 		test/checkseccomp/checkseccomp \
@@ -250,6 +256,23 @@ vagrant-check:
 
 binaries: varlink_generate podman podman-remote  ## Build podman
 
+# Zip archives are supported on all platforms + allows embedding metadata
+podman.zip: binaries docs
+	$(eval TMPDIR := $(shell mktemp -d -p '' $@_XXXX))
+	test -n "$(TMPDIR)"
+	$(MAKE) install "DESTDIR=$(TMPDIR)" "PREFIX=$(TMPDIR)/usr"
+	# Encoded RELEASE_INFO format depended upon by CI tooling
+	# X-RELEASE-INFO format depended upon by CI tooling
+	cd "$(TMPDIR)" && echo \
+		"X-RELEASE-INFO: $(RELEASE_BASENAME) $(RELEASE_VERSION) $(RELEASE_DIST) $(RELEASE_DIST_VER) $(RELEASE_ARCH)" | \
+		zip --recurse-paths --archive-comment "$(CURDIR)/$@" "./"
+	-rm -rf "$(TMPDIR)"
+
+podman-remote-%.zip: podman-remote-%
+	# Don't label darwin/windows cros-compiles with local distribution & version
+	echo "X-RELEASE-INFO: podman-remote $(RELEASE_VERSION) $* cc $(RELEASE_ARCH)" | \
+        zip --archive-comment "$(CURDIR)/$@" ./bin/$<*
+
 install.catatonit:
 	./hack/install_catatonit.sh
 

contrib/cirrus/README.md

@@ -13,7 +13,6 @@ which alter this behavior.  Within each task, each script executes in sequence,
 so long as any previous script exited successfully.  The overall state of each
 task (pass or fail) is set based on the exit status of the last script to execute.
 
-
 ### ``gating`` Task
 
 ***N/B: Steps below are performed by automation***
@@ -64,6 +63,12 @@ task (pass or fail) is set based on the exit status of the last script to execut
    but this script normally completes in less than an hour.
 
 
+### ``special_testing_cross`` Task
+
+Confirm that cross-compile of podman-remote functions for both `windows`
+and `darwin` targets.
+
+
 ### ``test_build_cache_images_task`` Task
 
 Modifying the contents of cache-images is tested by making changes to
@@ -142,8 +147,22 @@ the magic ``***CIRRUS: TEST IMAGES***`` string.  Keeping it and
 `--force` pushing would needlessly cause Cirrus-CI to build
 and test images again.
 
+### `release` Task
+
+Gathers up zip files uploaded by other tasks, from the local Cirrus-CI caching service.
+Depending on the execution context (a PR or a branch), this task uploads the files
+found to storage buckets at:
+
+* [https://storage.cloud.google.com/libpod-pr-releases](https://storage.cloud.google.com/libpod-pr-releases)
+* [https://storage.cloud.google.com/libpod-master-releases](https://storage.cloud.google.com/libpod-master-releases)
 
-### Base-images
+***Note:*** Repeated builds from the same PR or branch, will clobber previous archives
+            *by design*.  This is intended so that the "latest" archive is always
+            available at a consistent URL.  The precise details regarding a particular
+            build is encoded within the zip-archive comment.
+
+
+## Base-images
 
 Base-images are VM disk-images specially prepared for executing as GCE VMs.
 In particular, they run services on startup similar in purpose/function
@@ -236,3 +255,16 @@ console output.  Simply set the ``TTYDEV`` parameter, for example:
 $ make libpod_base_images ... TTYDEV=$(tty)
   ...
 ```
+
+## `$SPECIALMODE`
+
+Some tasks alter their behavior based on this value.  A summary of supported
+values follows:
+
+* `none`: Operate as normal, this is the default value if unspecified.
+* `rootless`: Causes a random, ordinary user account to be created
+              and utilized for testing.
+* `in_podman`: Causes testing to occur within a container executed by
+               podman on the host.
+* `windows`: See **darwin**
+* `darwin`: Signals the ``special_testing_cross`` task to cross-compile the remote client.

contrib/cirrus/cache_release_archive.sh

@@ -0,0 +1,140 @@
+#!/bin/bash
+
+set -eo pipefail
+
+source $(dirname $0)/lib.sh
+
+req_env_var GOSRC
+
+RELEASE_ARCHIVE_NAMES=""
+
+handle_archive() {  # Assumed to be called with set +e
+        TASK_NUMBER=$1
+        PR_OR_BRANCH=$2
+        CACHE_URL=$3
+        ARCHIVE_NAME="$(basename $CACHE_URL)"
+        req_env_var TASK_NUMBER PR_OR_BRANCH CACHE_URL ARCHIVE_NAME
+
+        cd /tmp
+        curl -sO "$CACHE_URL" || return $(warn 0 "Couldn't download file, skipping.")
+        [[ -r "/tmp/$ARCHIVE_NAME" ]] || return $(warn 0 "Unreadable archive '/tmp/$ARCHIVE_NAME', skipping.")
+
+        ZIPCOMMENT=$(unzip -qqz "$ARCHIVE_NAME" 2>/dev/null)  # noisy bugger
+        if [[ "$?" -ne "0" ]] || [[ -z "$ZIPCOMMENT" ]]
+        then
+            return $(warn 0 "Could not unzip metadata from downloaded '/tmp/$ARCHIVE_NAME', skipping.")
+        fi
+
+        RELEASE_INFO=$(echo "$ZIPCOMMENT" | grep -m 1 'X-RELEASE-INFO:' | sed -r -e 's/X-RELEASE-INFO:\s*(.+)/\1/')
+        if [[ "$?" -ne "0" ]] || [[ -z "$RELEASE_INFO" ]]
+        then
+            return $(warn 0 "Metadata empty or invalid: '$ZIPCOMMENT', skipping.")
+        fi
+
+        # e.g. libpod v1.3.1-166-g60df124e fedora 29 amd64
+        # or   libpod v1.3.1-166-g60df124e   amd64
+        FIELDS="RELEASE_BASENAME RELEASE_VERSION RELEASE_DIST RELEASE_DIST_VER RELEASE_ARCH"
+        read $FIELDS <<< $RELEASE_INFO
+        for f in $FIELDS
+        do
+            [[ -n "${!f}" ]] || return $(warn 0 "Expecting $f to be non-empty in metadata: '$RELEASE_INFO', skipping.")
+        done
+
+        echo -n "Preparing $RELEASE_BASENAME archive: "
+        # Drop version number to enable "latest" representation
+        # (version available w/in zip-file comment)
+        RELEASE_ARCHIVE_NAME="${RELEASE_BASENAME}-${PR_OR_BRANCH}-${RELEASE_DIST}-${RELEASE_DIST_VER}-${RELEASE_ARCH}.zip"
+        # Allow uploading all gathered files in parallel, later with gsutil.
+        mv -v "$ARCHIVE_NAME" "/$RELEASE_ARCHIVE_NAME"
+        RELEASE_ARCHIVE_NAMES="$RELEASE_ARCHIVE_NAMES $RELEASE_ARCHIVE_NAME"
+}
+
+make_release() {
+    ARCHIVE_NAME="$1"
+    req_env_var ARCHIVE_NAME
+
+    # There's no actual testing of windows/darwin targets yet
+    # but we still want to cross-compile and publish binaries
+    if [[ "$SPECIALMODE" == "windows" ]] || [[ "$SPECIALMODE" == "darwin" ]]
+    then
+        RELFILE="podman-remote-${SPECIALMODE}.zip"
+    elif [[ "$SPECIALMODE" == "none" ]]
+    then
+        RELFILE="podman.zip"
+    else
+        die 55 "$(basename $0) unable to handle \$SPECIALMODE=$SPECIALMODE for $ARCHIVE_NAME"
+    fi
+    echo "Calling make $RELFILE"
+    cd $GOSRC
+    make "$RELFILE"
+    echo "Renaming archive so it can be identified/downloaded for publishing"
+    mv -v "$RELFILE" "$ARCHIVE_NAME"
+    echo "Success!"
+}
+
+[[ "$CI" == "true" ]] || \
+    die 56 "$0 requires a Cirrus-CI cross-task cache to function"
+
+cd $GOSRC
+# Same script re-used for both uploading and downloading to avoid duplication
+if [[ "$(basename $0)" == "cache_release_archive.sh" ]]
+then
+    # ref: https://cirrus-ci.org/guide/writing-tasks/#environment-variables
+    req_env_var CI_NODE_INDEX CIRRUS_BUILD_ID
+    # Use unique names for uncache_release_archives.sh to find/download them all
+    ARCHIVE_NAME="build-${CIRRUS_BUILD_ID}-task-${CI_NODE_INDEX}.zip"
+    make_release "$ARCHIVE_NAME"
+
+    # ref: https://cirrus-ci.org/guide/writing-tasks/#http-cache
+    URL="http://$CIRRUS_HTTP_CACHE_HOST/${ARCHIVE_NAME}"
+    echo "Uploading $ARCHIVE_NAME to Cirrus-CI cache at $URL"
+    curl -s -X POST --data-binary "@$ARCHIVE_NAME" "$URL"
+elif [[ "$(basename $0)" == "uncache_release_archives.sh" ]]
+then
+    req_env_var CIRRUS_BUILD_ID CI_NODE_TOTAL GCPJSON GCPNAME GCPROJECT
+    [[ "${CI_NODE_INDEX}" -eq  "$[CI_NODE_TOTAL-1]" ]] || \
+        die 8 "The release task must be executed last to guarantee archive cache is complete"
+
+    if [[ -n "$CIRRUS_PR" ]]
+    then
+        PR_OR_BRANCH="pr$CIRRUS_PR"
+        BUCKET="libpod-pr-releases"
+    elif [[ -n "$CIRRUS_BRANCH" ]]
+    then
+        PR_OR_BRANCH="$CIRRUS_BRANCH"
+        BUCKET="libpod-$CIRRUS_BRANCH-releases"
+    else
+        die 10 "Expecting either \$CIRRUS_PR or \$CIRRUS_BRANCH to be non-empty."
+    fi
+
+    echo "Blindly downloading Cirrus-CI cache files for task (some will fail)."
+    set +e  # Don't stop looping until all task's cache is attempted
+    for (( task_number = 0 ; task_number < $CI_NODE_TOTAL ; task_number++ ))
+    do
+        ARCHIVE_NAME="build-${CIRRUS_BUILD_ID}-task-${task_number}.zip"
+        URL="http://$CIRRUS_HTTP_CACHE_HOST/${ARCHIVE_NAME}"
+        echo "Attempting to download cached archive from $URL"
+        handle_archive "$task_number" "$PR_OR_BRANCH" "$URL"
+        echo "----------------------------------------"
+    done
+    set -e
+
+    [[ -n "$RELEASE_ARCHIVE_NAMES" ]] || \
+        die 67 "Error: No release archives found in CI cache, expecting at least one."
+
+    echo "Preparing to upload release archives."
+    gcloud config set project "$GCPROJECT"
+    echo "$GCPJSON" > /tmp/gcp.json
+    gcloud auth activate-service-account --key-file=/tmp/gcp.json
+    rm /tmp/gcp.json
+    # handle_archive() placed all uploadable files under /
+    gsutil -m cp /*.zip "gs://$BUCKET"  # Upload in parallel
+    echo "Successfully uploaded archives:"
+    for ARCHIVE_NAME in $RELEASE_ARCHIVE_NAMES
+    do
+        echo "    https://storage.cloud.google.com/$BUCKET/$ARCHIVE_NAME"
+    done
+    echo "These will remain available until automatic pruning by bucket policy."
+else
+    die 9 "I don't know what to do when called $0"
+fi