[7.x] move Metrics API to start (#69787)

[mshustov]

Backports the following commits to 7.x:

• move Metrics API to start (move Metrics API to start #69787)

[kibanamachine]

💛 Build succeeded, but was flaky

• continuous-integration/kibana-ci/pull-request
• Commit: 4bb3a7e
• Flaky suites:
  • kibana-ciGroup1

---

Test Failures

Kibana Pipeline / kibana-oss-agent / Plugin Functional Tests.test/plugin_functional/test_suites/core_plugins/logging·ts.core plugins plugin logging writes info_json context to custom JSON appender

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Standard Out

Failed Tests Reporter:
  - Test has not failed recently on tracked branches

[00:00:00]       │
[00:01:21]         └-: core plugins
[00:01:21]           └-> "before all" hook
[00:03:54]           └-: plugin logging
[00:03:54]             └-> "before all" hook
[00:03:54]             └-> does not write to custom appenders when not configured
[00:03:54]               └-> "before each" hook: global before each
[00:03:54]               └-> "before each" hook
[00:03:54]               │ proc [kibana]   log   [12:18:57.258] [info][core_logging][debug_json][plugins] i go to the default appender!
[00:03:54]               └- ✓ pass  (46ms) "core plugins plugin logging does not write to custom appenders when not configured"
[00:03:54]             └-> writes debug_json context to custom JSON appender
[00:03:54]               └-> "before each" hook: global before each
[00:03:54]               └-> "before each" hook
[00:03:54]               └- ✓ pass  (40ms) "core plugins plugin logging writes debug_json context to custom JSON appender"
[00:03:54]             └-> writes info_json context to custom JSON appender
[00:03:54]               └-> "before each" hook: global before each
[00:03:54]               └-> "before each" hook
[00:03:54]               │ info Taking screenshot "/dev/shm/workspace/kibana/test/functional/screenshots/failure/core plugins plugin logging writes info_json context to custom JSON appender.png"
[00:03:55]               │ debg browser[WARNING] http://localhost:6121/9007199254740991/bundles/core_legacy_compat.bundle.js 2405:20 "App [dev_tools] is using deprecated mount context. Use core.getStartServices() instead."
[00:03:55]               │ debg browser[INFO] http://localhost:6121/9007199254740991/bundles/kbn-ui-shared-deps/kbn-ui-shared-deps.js 452:106112 "INFO: 2020-06-26T12:18:57Z
[00:03:55]               │        Adding connection to http://localhost:6121/elasticsearch
[00:03:55]               │
[00:03:55]               │      "
[00:03:55]               │ debg browser[WARNING] http://localhost:6121/9007199254740991/bundles/core_legacy_compat.bundle.js 2405:20 "App [management] is using deprecated mount context. Use core.getStartServices() instead."
[00:03:55]               │ debg browser[WARNING] http://localhost:6121/9007199254740991/bundles/core_legacy_compat.bundle.js 2405:20 "App [rendering] is using deprecated mount context. Use core.getStartServices() instead."
[00:03:55]               │ debg browser[WARNING] http://localhost:6121/9007199254740991/bundles/core_legacy_compat.bundle.js 2405:20 "App [custom-app-route] is using deprecated mount context. Use core.getStartServices() instead."
[00:03:55]               │ debg browser[WARNING] http://localhost:6121/9007199254740991/bundles/core_legacy_compat.bundle.js 2405:20 "App [chromeless] is using deprecated mount context. Use core.getStartServices() instead."
[00:03:55]               │ debg browser[WARNING] http://localhost:6121/9007199254740991/bundles/core_legacy_compat.bundle.js 2405:20 "App [appleave1] is using deprecated mount context. Use core.getStartServices() instead."
[00:03:55]               │ debg browser[WARNING] http://localhost:6121/9007199254740991/bundles/core_legacy_compat.bundle.js 2405:20 "App [appleave2] is using deprecated mount context. Use core.getStartServices() instead."
[00:03:55]               │ debg browser[WARNING] http://localhost:6121/9007199254740991/bundles/core_legacy_compat.bundle.js 2405:20 "App [foo] is using deprecated mount context. Use core.getStartServices() instead."
[00:03:55]               │ debg browser[WARNING] http://localhost:6121/9007199254740991/bundles/core_legacy_compat.bundle.js 2405:20 "App [bar] is using deprecated mount context. Use core.getStartServices() instead."
[00:03:55]               │ info Current URL is: http://localhost:6121/app/core_legacy_compat
[00:03:55]               │ debg browser[DEBUG] http://localhost:6121/9007199254740991/bundles/plugin/usageCollection/usageCollection.plugin.js 950:16 "Reporting user-agent."
[00:03:55]               │ debg browser[DEBUG] http://localhost:6121/9007199254740991/bundles/plugin/usageCollection/usageCollection.plugin.js 950:16 "Reporting application changed to core_legacy_compat"
[00:03:55]               │ info Saving page source to: /dev/shm/workspace/kibana/test/plugin_functional/failure_debug/html/core plugins plugin logging writes info_json context to custom JSON appender.html
[00:03:55]               └- ✖ fail: "core plugins plugin logging writes info_json context to custom JSON appender"
[00:03:55]               │

Stack Trace

{ Error: expected [] to sort of equal [ { level: 'INFO',
    context: 'plugins.core_logging.info_json',
    message: 'log2' } ]
    at Assertion.assert (packages/kbn-expect/expect.js:100:11)
    at Assertion.eql (packages/kbn-expect/expect.js:244:8)
    at Context.it (test/plugin_functional/test_suites/core_plugins/logging.ts:96:40)
  actual: '[]',
  expected:
   '[\n  {\n    "context": "plugins.core_logging.info_json"\n    "level": "INFO"\n    "message": "log2"\n  }\n]',
  showDiff: true }

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Build metrics

✅ unchanged

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