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[CI] report who is the master worker #78

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Merged
lihao-figma merged 1 commit into from
Nov 25, 2025
Merged

[CI] report who is the master worker #78

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18 changes: 18 additions & 0 deletions ruby/lib/ci/queue/redis/worker.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -73,6 +73,12 @@ def idle?

def poll
wait_for_master
if master?
warn "Worker #{worker_id} is the master"
else
master_id = master_worker_id
warn "Worker #{worker_id} saw master worker: #{master_id}" if master_id
end
idle_since = nil
idle_state_printed = false
until shutdown_required? || config.circuit_breakers.any?(&:open?) || exhausted? || max_test_failed?
Expand Down Expand Up @@ -297,6 +303,18 @@ def acquire_master_role?
return true if @master

@master = redis.setnx(key('master-status'), 'setup')
if @master
begin
redis.set(key('master-worker-id'), worker_id)
redis.expire(key('master-worker-id'), config.redis_ttl)
warn "Worker #{worker_id} elected as master"
rescue *CONNECTION_ERRORS
# If setting master-worker-id fails, we still have master status
# Log but don't lose master role
warn("Failed to set master-worker-id: #{$!.message}")
end
end
@master
rescue *CONNECTION_ERRORS
@master = nil
false
Expand Down