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Maniphest T422089

[GrowthBook Integration] Add observability for configuration service operations
Open, HighPublic5 Estimated Story Points
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Description

Description

Add logging and/or metrics to track GrowthBook polling, validation outcomes, stitching behavior, and API delivery status.

Technical Notes

Relevant files:

  • app.js
  • config/metrics.js
  • config/configuration.js

New files:

  • service/metrics/experimentConfigMetrics.js ?

Acceptance Criteria

  • Logs or metrics exist for:
    • GrowthBook poll success/failure
    • validation counts
    • stitched experiment counts
    • source conflict counts
    • last successful configuration refresh
  • Metrics are visible at /metrics
  • Telemetry on API response times is available
  • Failures in GrowthBook polling and downstream config generation are observable
  • Tests confirm metrics/logging hooks are invoked
  • Dashboards are updated or created to include new metrics

Details

Related Changes in Gerrit:
SubjectRepoBranchLines +/-
Test Kitchen UI: Deploy v1.4.1 release to productionoperations/deployment-chartsmaster+3 -2
Test Kitchen UI: Deploy v1.4.0 release to stagingoperations/deployment-chartsmaster+3 -2
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Related Changes in GitLab:
TitleReferenceAuthorSource BranchDest Branch
Add Prometheus observability for GrowthBook config pipelinerepos/data-engineering/test-kitchen!336cjmingT422089/add-observability-growthbookmain
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Event Timeline

cjming created this task.Apr 1 2026, 9:38 PM
JVanderhoop-WMF triaged this task as Medium priority.Apr 28 2026, 4:33 PM
JVanderhoop-WMF moved this task from Incoming to READY TO GROOM on the Test Kitchen board.
JVanderhoop-WMF raised the priority of this task from Medium to High.May 12 2026, 4:26 PM
KReid-WMF updated the task description. (Show Details)May 14 2026, 3:35 PM
KReid-WMF edited projects, added: Test Kitchen (Experiment Platform Sprint 24); removed: Test Kitchen.
KReid-WMF updated the task description. (Show Details)
KReid-WMF set the point value for this task to 5.
cjming claimed this task.Fri, May 29, 5:25 PM
cjming moved this task from Ready for Development to In Progress on the Test Kitchen (Experiment Platform Sprint 24) board.
CodeReviewBot added a project: Patch-For-Review.Sat, May 30, 12:42 AM

cjming opened https://gitlab.wikimedia.org/repos/data-engineering/test-kitchen/-/merge_requests/336

Add Prometheus observability for GrowthBook config pipeline

cjming moved this task from In Progress to Needs Review on the Test Kitchen (Experiment Platform Sprint 24) board.Sat, May 30, 12:46 AM
CodeReviewBot added a comment.Wed, Jun 3, 12:59 PM

phuedx merged https://gitlab.wikimedia.org/repos/data-engineering/test-kitchen/-/merge_requests/336

Add Prometheus observability for GrowthBook config pipeline

phuedx moved this task from Needs Review to To Deploy on the Test Kitchen (Experiment Platform Sprint 24) board.Wed, Jun 3, 2:54 PM
Maintenance_bot removed a project: Patch-For-Review.Wed, Jun 3, 3:32 PM
gerritbot added a comment.Wed, Jun 3, 11:07 PM

Change #1297251 had a related patch set uploaded (by Clare Ming; author: Clare Ming):

[operations/deployment-charts@master] Test Kitchen UI: Deploy v1.4.0 release to staging

https://gerrit.wikimedia.org/r/1297251

gerritbot added a project: Patch-For-Review.Wed, Jun 3, 11:07 PM
gerritbot added a comment.Wed, Jun 3, 11:20 PM

Change #1297251 merged by jenkins-bot:

[operations/deployment-charts@master] Test Kitchen UI: Deploy v1.4.0 release to staging

https://gerrit.wikimedia.org/r/1297251

Maintenance_bot removed a project: Patch-For-Review.Wed, Jun 3, 11:31 PM
KReid-WMF edited projects, added: Test Kitchen (Experiment Platform Sprint 25); removed: Test Kitchen (Experiment Platform Sprint 24).Thu, Jun 4, 1:04 PM
KReid-WMF moved this task from Ready for Development to To Deploy on the Test Kitchen (Experiment Platform Sprint 25) board.
gerritbot added a comment.Tue, Jun 9, 4:49 PM

Change #1299575 had a related patch set uploaded (by Santiago Faci; author: Santiago Faci):

[operations/deployment-charts@master] Test Kitchen UI: Deploy v1.4.1 release to production

https://gerrit.wikimedia.org/r/1299575

gerritbot added a project: Patch-For-Review.Tue, Jun 9, 4:49 PM
gerritbot added a comment.Tue, Jun 9, 4:56 PM

Change #1299575 merged by jenkins-bot:

[operations/deployment-charts@master] Test Kitchen UI: Deploy v1.4.1 release to production

https://gerrit.wikimedia.org/r/1299575

Maintenance_bot removed a project: Patch-For-Review.Tue, Jun 9, 5:32 PM
cjming moved this task from To Deploy to Done on the Test Kitchen (Experiment Platform Sprint 25) board.Tue, Jun 9, 5:41 PM
cjming mentioned this in T428881: [GrowthBook Integration][Spike] Explore alerting options for EP and SRE.Thu, Jun 11, 11:30 AM
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