[7.x] [Expressions] Refactor expression functions to use observables underneath (#100409)

[dokmic]

Backports the following commits to 7.x:

• [Expressions] Refactor expression functions to use observables underneath ([Expressions] Refactor expression functions to use observables underneath #100409)

[kibanamachine]

💛 Build succeeded, but was flaky

• continuous-integration/kibana-ci/pull-request

• Commit: a1c73d9

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• Flaky suites:

  • kibana-ciGroup6

---

Test Failures

Kibana Pipeline / general / Chrome UI Functional Tests.test/functional/apps/discover/_sidebar·ts.discover app discover sidebar field filtering should reveal and hide the filter form when the toggle is clicked

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Standard Out

Failed Tests Reporter:
  - Test has failed 3 times on tracked branches: https://github.com/elastic/kibana/issues/101449

[00:00:00]       │
[00:09:42]         └-: discover app
[00:09:42]           └-> "before all" hook in "discover app"
[00:09:42]           └-> "before all" hook in "discover app"
[00:26:22]           └-: discover sidebar
[00:26:22]             └-> "before all" hook in "discover sidebar"
[00:26:22]             └-> "before all" hook in "discover sidebar"
[00:26:22]               │ info [test/functional/fixtures/es_archiver/logstash_functional] Loading "mappings.json"
[00:26:22]               │ info [test/functional/fixtures/es_archiver/logstash_functional] Loading "data.json.gz"
[00:26:22]               │ info [test/functional/fixtures/es_archiver/logstash_functional] Skipped restore for existing index "logstash-2015.09.22"
[00:26:22]               │ info [test/functional/fixtures/es_archiver/logstash_functional] Skipped restore for existing index "logstash-2015.09.20"
[00:26:22]               │ info [test/functional/fixtures/es_archiver/logstash_functional] Skipped restore for existing index "logstash-2015.09.21"
[00:26:23]               │ info [test/functional/fixtures/es_archiver/discover] Loading "mappings.json"
[00:26:23]               │ info [test/functional/fixtures/es_archiver/discover] Loading "data.json"
[00:26:23]               │ info [o.e.c.m.MetadataDeleteIndexService] [kibana-ci-immutable-ubuntu-16-tests-xxl-1623398128294952568] [.kibana_7.14.0_001/x8X5f1ZJTv20Xyk2UI7omw] deleting index
[00:26:23]               │ info [o.e.c.m.MetadataDeleteIndexService] [kibana-ci-immutable-ubuntu-16-tests-xxl-1623398128294952568] [.kibana_1/jr1qusTYSS6FsROcMAIDkg] deleting index
[00:26:23]               │ info [test/functional/fixtures/es_archiver/discover] Deleted existing index ".kibana_7.14.0_001"
[00:26:23]               │ info [test/functional/fixtures/es_archiver/discover] Deleted existing index ".kibana_1"
[00:26:23]               │ info [o.e.c.m.MetadataCreateIndexService] [kibana-ci-immutable-ubuntu-16-tests-xxl-1623398128294952568] [.kibana_7.14.0_001] creating index, cause [api], templates [], shards [1]/[0]
[00:26:23]               │ info [o.e.c.r.a.AllocationService] [kibana-ci-immutable-ubuntu-16-tests-xxl-1623398128294952568] Cluster health status changed from [YELLOW] to [GREEN] (reason: [shards started [[.kibana_7.14.0_001][0]]]).
[00:26:23]               │ info [test/functional/fixtures/es_archiver/discover] Created index ".kibana_7.14.0_001"
[00:26:23]               │ debg [test/functional/fixtures/es_archiver/discover] ".kibana_7.14.0_001" settings {"index":{"auto_expand_replicas":"0-1","number_of_replicas":"0","number_of_shards":"1","priority":"10","refresh_interval":"1s","routing_partition_size":"1"}}
[00:26:23]               │ info [test/functional/fixtures/es_archiver/discover] Indexed 2 docs into ".kibana"
[00:26:23]               │ debg Migrating saved objects
[00:26:23]               │ proc [kibana]   log   [08:41:19.171] [info][savedobjects-service] [.kibana] INIT -> OUTDATED_DOCUMENTS_SEARCH_OPEN_PIT. took: 6ms.
[00:26:23]               │ proc [kibana]   log   [08:41:19.176] [info][savedobjects-service] [.kibana] OUTDATED_DOCUMENTS_SEARCH_OPEN_PIT -> OUTDATED_DOCUMENTS_SEARCH_READ. took: 6ms.
[00:26:23]               │ proc [kibana]   log   [08:41:19.182] [info][savedobjects-service] [.kibana] OUTDATED_DOCUMENTS_SEARCH_READ -> OUTDATED_DOCUMENTS_SEARCH_CLOSE_PIT. took: 6ms.
[00:26:23]               │ proc [kibana]   log   [08:41:19.186] [info][savedobjects-service] [.kibana] OUTDATED_DOCUMENTS_SEARCH_CLOSE_PIT -> UPDATE_TARGET_MAPPINGS. took: 4ms.
[00:26:23]               │ proc [kibana]   log   [08:41:19.206] [info][savedobjects-service] [.kibana] UPDATE_TARGET_MAPPINGS -> UPDATE_TARGET_MAPPINGS_WAIT_FOR_TASK. took: 20ms.
[00:26:23]               │ info [o.e.t.LoggingTaskListener] [kibana-ci-immutable-ubuntu-16-tests-xxl-1623398128294952568] 13838 finished with response BulkByScrollResponse[took=15.8ms,timed_out=false,sliceId=null,updated=2,created=0,deleted=0,batches=1,versionConflicts=0,noops=0,retries=0,throttledUntil=0s,bulk_failures=[],search_failures=[]]
[00:26:23]               │ proc [kibana]   log   [08:41:19.312] [info][savedobjects-service] [.kibana] UPDATE_TARGET_MAPPINGS_WAIT_FOR_TASK -> DONE. took: 106ms.
[00:26:23]               │ proc [kibana]   log   [08:41:19.313] [info][savedobjects-service] [.kibana] Migration completed after 149ms
[00:26:23]               │ debg [test/functional/fixtures/es_archiver/discover] Migrated Kibana index after loading Kibana data
[00:26:23]               │ debg applying update to kibana config: {"accessibility:disableAnimations":true,"dateFormat:tz":"UTC","visualization:visualize:legacyChartsLibrary":true}
[00:26:23]               │ info [o.e.c.m.MetadataMappingService] [kibana-ci-immutable-ubuntu-16-tests-xxl-1623398128294952568] [.kibana_7.14.0_001/G1NJmmJwR1qUAuVdd1M28Q] update_mapping [_doc]
[00:26:25]               │ debg applying update to kibana config: {"accessibility:disableAnimations":true,"dateFormat:tz":"UTC","visualization:visualize:legacyChartsLibrary":true}
[00:26:26]               │ debg replacing kibana config doc: {"defaultIndex":"logstash-*"}
[00:26:27]               │ debg applying update to kibana config: {"timepicker:timeDefaults":"{ \"from\": \"2015-09-18T06:31:44.000Z\", \"to\": \"2015-09-23T18:31:44.000Z\"}"}
[00:26:27]               │ info [o.e.c.m.MetadataMappingService] [kibana-ci-immutable-ubuntu-16-tests-xxl-1623398128294952568] [.kibana_7.14.0_001/G1NJmmJwR1qUAuVdd1M28Q] update_mapping [_doc]
[00:26:28]               │ debg navigating to discover url: http://localhost:61191/app/discover#/
[00:26:28]               │ debg navigate to: http://localhost:61191/app/discover#/
[00:26:28]               │ debg browser[INFO] http://localhost:61191/app/discover?_t=1623400884154#/ 339 Refused to execute inline script because it violates the following Content Security Policy directive: "script-src 'unsafe-eval' 'self'". Either the 'unsafe-inline' keyword, a hash ('sha256-P5polb1UreUSOe5V/Pv7tc+yeZuJXiOi/3fqhGsU7BE='), or a nonce ('nonce-...') is required to enable inline execution.
[00:26:28]               │
[00:26:28]               │ debg browser[INFO] http://localhost:61191/bootstrap.js 41:19 "^ A single error about an inline script not firing due to content security policy is expected!"
[00:26:28]               │ debg ... sleep(700) start
[00:26:29]               │ debg ... sleep(700) end
[00:26:29]               │ debg returned from get, calling refresh
[00:26:30]               │ debg browser[INFO] http://localhost:61191/app/discover?_t=1623400884154#/ 339 Refused to execute inline script because it violates the following Content Security Policy directive: "script-src 'unsafe-eval' 'self'". Either the 'unsafe-inline' keyword, a hash ('sha256-P5polb1UreUSOe5V/Pv7tc+yeZuJXiOi/3fqhGsU7BE='), or a nonce ('nonce-...') is required to enable inline execution.
[00:26:30]               │
[00:26:30]               │ debg browser[INFO] http://localhost:61191/bootstrap.js 41:19 "^ A single error about an inline script not firing due to content security policy is expected!"
[00:26:30]               │ debg currentUrl = http://localhost:61191/app/discover#/
[00:26:30]               │          appUrl = http://localhost:61191/app/discover#/
[00:26:30]               │ debg TestSubjects.find(kibanaChrome)
[00:26:30]               │ debg Find.findByCssSelector('[data-test-subj="kibanaChrome"]') with timeout=60000
[00:26:30]               │ debg ... sleep(501) start
[00:26:31]               │ debg ... sleep(501) end
[00:26:31]               │ debg in navigateTo url = http://localhost:61191/app/discover#/?_g=(filters:!(),refreshInterval:(pause:!t,value:0),time:(from:%272015-09-18T06:31:44.000Z%27,to:%272015-09-23T18:31:44.000Z%27))&_a=(columns:!(),filters:!(),index:%27logstash-*%27,interval:auto,query:(language:kuery,query:%27%27),sort:!(!(%27@timestamp%27,desc)))
[00:26:31]               │ debg --- retry.tryForTime error: URL changed, waiting for it to settle
[00:26:31]               │ debg ... sleep(501) start
[00:26:32]               │ debg ... sleep(501) end
[00:26:32]               │ debg in navigateTo url = http://localhost:61191/app/discover#/?_g=(filters:!(),refreshInterval:(pause:!t,value:0),time:(from:%272015-09-18T06:31:44.000Z%27,to:%272015-09-23T18:31:44.000Z%27))&_a=(columns:!(),filters:!(),index:%27logstash-*%27,interval:auto,query:(language:kuery,query:%27%27),sort:!(!(%27@timestamp%27,desc)))
[00:26:32]             └-: field filtering
[00:26:32]               └-> "before all" hook for "should reveal and hide the filter form when the toggle is clicked"
[00:26:32]               └-> should reveal and hide the filter form when the toggle is clicked
[00:26:32]                 └-> "before each" hook: global before each for "should reveal and hide the filter form when the toggle is clicked"
[00:26:32]                 │ debg TestSubjects.click(toggleFieldFilterButton)
[00:26:32]                 │ debg Find.clickByCssSelector('[data-test-subj="toggleFieldFilterButton"]') with timeout=10000
[00:26:32]                 │ debg Find.findByCssSelector('[data-test-subj="toggleFieldFilterButton"]') with timeout=10000
[00:26:32]                 │ debg TestSubjects.exists(filterSelectionPanel)
[00:26:32]                 │ debg Find.existsByDisplayedByCssSelector('[data-test-subj="filterSelectionPanel"]') with timeout=120000
[00:26:32]                 │ debg TestSubjects.click(toggleFieldFilterButton)
[00:26:32]                 │ debg Find.clickByCssSelector('[data-test-subj="toggleFieldFilterButton"]') with timeout=10000
[00:26:32]                 │ debg Find.findByCssSelector('[data-test-subj="toggleFieldFilterButton"]') with timeout=10000
[00:26:32]                 │ debg TestSubjects.missingOrFail(filterSelectionPanel)
[00:26:32]                 │ debg Find.waitForDeletedByCssSelector('[data-test-subj="filterSelectionPanel"]') with timeout=2500
[00:26:35]                 │ info Taking screenshot "/dev/shm/workspace/parallel/19/kibana/test/functional/screenshots/failure/discover app discover sidebar field filtering should reveal and hide the filter form when the toggle is clicked.png"
[00:26:35]                 │ info Current URL is: http://localhost:61191/app/discover#/?_g=(filters:!(),refreshInterval:(pause:!t,value:0),time:(from:%272015-09-18T06:31:44.000Z%27,to:%272015-09-23T18:31:44.000Z%27))&_a=(columns:!(),filters:!(),index:%27logstash-*%27,interval:auto,query:(language:kuery,query:%27%27),sort:!(!(%27@timestamp%27,desc)))
[00:26:35]                 │ info Saving page source to: /dev/shm/workspace/parallel/19/kibana/test/functional/failure_debug/html/discover app discover sidebar field filtering should reveal and hide the filter form when the toggle is clicked.html
[00:26:35]                 └- ✖ fail: discover app discover sidebar field filtering should reveal and hide the filter form when the toggle is clicked
[00:26:35]                 │      TimeoutError: The element [data-test-subj="filterSelectionPanel"] was still present when it should have disappeared.
[00:26:35]                 │ Wait timed out after 2869ms
[00:26:35]                 │       at /dev/shm/workspace/parallel/19/kibana/node_modules/selenium-webdriver/lib/webdriver.js:842:17
[00:26:35]                 │       at runMicrotasks (<anonymous>)
[00:26:35]                 │       at processTicksAndRejections (internal/process/task_queues.js:95:5)
[00:26:35]                 │ 
[00:26:35]                 │ 

Stack Trace

TimeoutError: The element [data-test-subj="filterSelectionPanel"] was still present when it should have disappeared.
Wait timed out after 2869ms
    at /dev/shm/workspace/parallel/19/kibana/node_modules/selenium-webdriver/lib/webdriver.js:842:17
    at runMicrotasks (<anonymous>)
    at processTicksAndRejections (internal/process/task_queues.js:95:5) {
  remoteStacktrace: ''
}

---

Metrics [docs]

Async chunks

Total size of all lazy-loaded chunks that will be downloaded as the user navigates the app

id	before	after	diff
canvas	1.3MB	1.3MB	+2.0B

Page load bundle

Size of the bundles that are downloaded on every page load. Target size is below 100kb

id	before	after	diff
canvas	529.6KB	529.9KB	+285.0B
expressions	202.4KB	202.7KB	+281.0B
total			+566.0B

To update your PR or re-run it, just comment with:
@elasticmachine merge upstream