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Task manager enhancements for error handling in alerting and actions #39829

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merged 62 commits into from
Jul 25, 2019

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mikecote
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@mikecote mikecote commented Jun 27, 2019

In this PR, we're making the following changes to the task manager to support having better error handling for alerting and actions:

  • Timeout configuration now supports seconds syntax (10s)
  • Interval configuration now supports seconds syntax (10s)
  • Definitions can now define their own maxAttempts configuration
  • Intervals get re-scheduled from when task started and not when it finished
  • maxAttempts has a minimum of 1
  • Definitions can define a getRetryDelay function to return delay in seconds to wait before attempting the task again
  • maxAttempts configuration now behaves like maximum total attempts and not how many retries after first failure
  • runAt is no longer extended by timeout when the task runs
  • Timed out tasks no longer retry right away, the next retry is the same calculation as if it the execution failed
  • Convert task manager to use saved objects

Fixes #40872

Dev-Docs

Task manager now uses saved objects

Starting up kibana will convert .kibana_task_manager to an alias and indices will follow the .kibana_task_manager_1 syntax. A migration will execute to prefix the ids with task: as it converts to saved objects.

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Pinging @elastic/kibana-stack-services

@pmuellr pmuellr added this to In progress in Make it Action Jun 28, 2019
@mikecote mikecote added the release_note:skip Skip the PR/issue when compiling release notes label Jul 2, 2019
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@chrisdavies
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I didn't do a full review, but @mikecote asked me to have a look at the migration changes, and those look peachy. 💯

@tsullivan
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Hi, sorry I need a little more time looking at this. I pulled it down, and getting a server crash, but there's a chance it's because my ES is messed up or other reasons.

Also, there are 2 conflicts that need to be resolved on this PR

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tsullivan commented Jul 19, 2019

I think I keep hitting stuck migrations, even when I clear all my documents out.

red   open .kibana_task_manager           KGvBhGvrRxChRbBaY0aQPw 1 0                    
red   open .triggered_watches             B2uluxE8RkuuFQN9dxu4pw 1 0                    
green open .reporting-2019.07.07          WnwbjZh5TWmPcgr_LyyQ-A 1 0  0  0   282b   282b
red   open .kibana_1                      AO6sVyQIQ9GpMe51C3coqw 1 0                    
green open .tasks                         DkIurr8qR-uhX0dLVewoQw 1 0  1  0  6.7kb  6.7kb
red   open babynames                      khbAdNhvQnaOWDqNFHC5aw 2 0                    
green open .security-7                    SUKdf30cSbGyXmI7jyCQRA 1 0 35 12 29.5kb 29.5kb
red   open .watcher-history-10-2019.07.18 nNQ41CvOSpaUQjiObCRowA 1 0                    
green open .kibana_task_manager_2         zTQ4tZfOQ6WQX2Um4nvfdA 1 0  0  0   283b   283b
red   open .watcher-history-10-2019.07.15 _DzsaVRJT7OYL4KOpjTSNQ 1 0                    
green open .kibana_task_manager_1         2gEgoAhtR1SLLmbQmpCW6g 1 0  0  0   283b   283b
red   open .reporting-2019.07.14          CmTknvxjRMydEv_FK4cCEQ 1 0                    
red   open .watcher-history-10-2019.07.17 ZO8b43n2RvmnbqOxwo-BOQ 1 0                    
red   open my_index                       3yIRlLUtTsS8DzEQS0FTaA 1 1                    
red   open .watcher-history-10-2019.07.16 IUc0KYeaRv6IltYjJiVEWg 1 0                    
red   open .watcher-history-10-2019.07.13 DiFOHVVySaKQMvt8vujhcw 1 0                    
red   open .watcher-history-10-2019.07.12 JsicjQ55SUq8xZ53MlBTYw 1 0                    
red   open metricbeat-8.0.0               Krh9VIqVSGeQRc0tjytG4g 1 1                    
red   open .watches                       smFKpBwFQ2-bc2ZTRmRHxQ 1 0                    

I can fix the problems with missing shards in the indices (hence why they are red) but for now, this is causing Kibana to completely crash. I'll need to look a little more to see if this is just a distraction

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LGTM

Looked at the changes from the latest commits to clear my "requested changes."

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I'd feel way more comfortable if the SavedObjects/Migration changes were split into a separate PR from this one.

@mikecote
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@joshdover I have moved it to another PR #41815, will update this one once merged. 👍

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@mikecote mikecote removed the request for review from a team July 24, 2019 14:27
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@joshdover The migration changes have been removed from this PR now that they are in master. Let me know if this looks good to you now.

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💚 Build Succeeded

@mikecote mikecote merged commit 2cd3094 into elastic:master Jul 25, 2019
mikecote added a commit to mikecote/kibana that referenced this pull request Jul 25, 2019
…lastic#39829)

* Allow mtask definitions to overwrite default setting maxAttemps

* Leverage scheduledAt from task manager

* Treat maxAttempts like attempts and not retries

* Add support for second intervals

* Min 1 attempt

* Reverse relying on scheduledAt

* Add new startedAt attribute in task manager that keeps track when task started running

* Don't extend runAt when claiming a task

* Remove startedAt from state

* Attempt trying to define custom getBackpressureDelay function

* Pass error object to getBackpressureDelay

* Cleanup processResultForRecurringTask code

* Add backpressure to timed out tasks

* Change default timeout backpressure calculation

* getBackpressureDelay to return seconds instead of milliseconds

* Add comment for task store query

* Compress query

* Revert alert / actions specific code

* Add more interval tests

* Fix failing jest tests

* Fix test

* Add more unit tests

* Fix integration tests

* Fix sorting of tasks to process

* WIP

* Always provide error when getBackpressureDelay is called

* Rename getBackpressureDelay to getRetryDelay

* retryAt to be calculated from timeout time by default

* Remove invalid test

* Add unit tests

* Consider timeout before scheduling a retryAt

* Remove backpressure terminology

* Remove support for 0 based intervals and timeouts

* Apply PR feedback

* Fix last place using Math.abs

* Modify migrations to allow running a script when converting an index to an alias

* Convert task manager to use saved objects

* Fix broken test

* Fix broken tests pt1

* Remove index from task manager config schema

* Accept platform changes

* PR feedback

* Apply PR feedback

* Apply PR feedback pt2

* Apply PR feedback pt3

* Apply PR feedback pt4

* Fix feedback pt3

* Rename RawSavedObjectDoc to SavedObjectsRawDoc
mikecote added a commit to mikecote/kibana that referenced this pull request Jul 26, 2019
…lastic#39829)

* Allow mtask definitions to overwrite default setting maxAttemps

* Leverage scheduledAt from task manager

* Treat maxAttempts like attempts and not retries

* Add support for second intervals

* Min 1 attempt

* Reverse relying on scheduledAt

* Add new startedAt attribute in task manager that keeps track when task started running

* Don't extend runAt when claiming a task

* Remove startedAt from state

* Attempt trying to define custom getBackpressureDelay function

* Pass error object to getBackpressureDelay

* Cleanup processResultForRecurringTask code

* Add backpressure to timed out tasks

* Change default timeout backpressure calculation

* getBackpressureDelay to return seconds instead of milliseconds

* Add comment for task store query

* Compress query

* Revert alert / actions specific code

* Add more interval tests

* Fix failing jest tests

* Fix test

* Add more unit tests

* Fix integration tests

* Fix sorting of tasks to process

* WIP

* Always provide error when getBackpressureDelay is called

* Rename getBackpressureDelay to getRetryDelay

* retryAt to be calculated from timeout time by default

* Remove invalid test

* Add unit tests

* Consider timeout before scheduling a retryAt

* Remove backpressure terminology

* Remove support for 0 based intervals and timeouts

* Apply PR feedback

* Fix last place using Math.abs

* Modify migrations to allow running a script when converting an index to an alias

* Convert task manager to use saved objects

* Fix broken test

* Fix broken tests pt1

* Remove index from task manager config schema

* Accept platform changes

* PR feedback

* Apply PR feedback

* Apply PR feedback pt2

* Apply PR feedback pt3

* Apply PR feedback pt4

* Fix feedback pt3

* Rename RawSavedObjectDoc to SavedObjectsRawDoc
mikecote added a commit that referenced this pull request Jul 26, 2019
…39829) (#42004)

* Allow mtask definitions to overwrite default setting maxAttemps

* Leverage scheduledAt from task manager

* Treat maxAttempts like attempts and not retries

* Add support for second intervals

* Min 1 attempt

* Reverse relying on scheduledAt

* Add new startedAt attribute in task manager that keeps track when task started running

* Don't extend runAt when claiming a task

* Remove startedAt from state

* Attempt trying to define custom getBackpressureDelay function

* Pass error object to getBackpressureDelay

* Cleanup processResultForRecurringTask code

* Add backpressure to timed out tasks

* Change default timeout backpressure calculation

* getBackpressureDelay to return seconds instead of milliseconds

* Add comment for task store query

* Compress query

* Revert alert / actions specific code

* Add more interval tests

* Fix failing jest tests

* Fix test

* Add more unit tests

* Fix integration tests

* Fix sorting of tasks to process

* WIP

* Always provide error when getBackpressureDelay is called

* Rename getBackpressureDelay to getRetryDelay

* retryAt to be calculated from timeout time by default

* Remove invalid test

* Add unit tests

* Consider timeout before scheduling a retryAt

* Remove backpressure terminology

* Remove support for 0 based intervals and timeouts

* Apply PR feedback

* Fix last place using Math.abs

* Modify migrations to allow running a script when converting an index to an alias

* Convert task manager to use saved objects

* Fix broken test

* Fix broken tests pt1

* Remove index from task manager config schema

* Accept platform changes

* PR feedback

* Apply PR feedback

* Apply PR feedback pt2

* Apply PR feedback pt3

* Apply PR feedback pt4

* Fix feedback pt3

* Rename RawSavedObjectDoc to SavedObjectsRawDoc
@pmuellr pmuellr moved this from In progress to Done for 7.4 in Make it Action Jul 31, 2019
@mikecote mikecote moved this from Done for 7.4 to Done (Ordered by most recent) in Make it Action Dec 6, 2019
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Task manager to have migrations
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