Merge lp:~lgp171188/lpbuildbot/auto-run-postgres-builders into lp:lpbuildbot

[Guruprasad]

Run the Postgres 14 and 16 builders automatically like the regular ones

[Simone Pelosi (pelpsi)]

LGTM! Can I ask you more context about AggregatingScheduler ?

review: Approve

[Guruprasad (lgp171188)]

Simone,

> LGTM! Can I ask you more context about AggregatingScheduler?

It is a custom scheduler class written by the past Launchpad developers to tweak the scheduling of new builds. It does a bunch of things and one of them tries to limit the number of new commits that can go in a build. You can find the code for this scheduler in https://bazaar.launchpad.net/~canonical-launchpad-branches/lpbuildbot/public/view/head:/lpbuildbot/schedulers/aggregating.py

=== modified file 'master.cfg'
--- master.cfg	2024-12-17 08:59:24 +0000
+++ master.cfg	2025-02-14 07:55:30 +0000
@@ -67,20 +67,27 @@
     branch='db-devel',
     treeStableTimer=3*60, treeStableCount=3))
 
-from buildbot import scheduler
-c['schedulers'].append(scheduler.Triggerable(
-    name='devel-focal-postgresql14',
-    builderNames=["lp-devel-focal-postgresql14"]))
-c['schedulers'].append(scheduler.Triggerable(
-    name='db-devel-focal-postgresql14',
-    builderNames=["lp-db-devel-focal-postgresql14"]))
+c['schedulers'].append(AggregatingScheduler(
+    name="devel-focal-postgresql14",
+    builderNames=["lp-devel-focal-postgresql14"],
+    branch="master",
+    treeStableTimer=3*60, treeStableCount=3))
+c['schedulers'].append(AggregatingScheduler(
+    name="db-devel-focal-postgresql14",
+    builderNames=["lp-db-devel-focal-postgresql14"],
+    branch="db-devel",
+    treeStableTimer=3*60, treeStableCount=3))
 
-c['schedulers'].append(scheduler.Triggerable(
+c['schedulers'].append(AggregatingScheduler(
     name='devel-focal-postgresql16',
-    builderNames=["lp-devel-focal-postgresql16"]))
-c['schedulers'].append(scheduler.Triggerable(
+    builderNames=["lp-devel-focal-postgresql16"],
+    branch="master",
+    treeStableTimer=3*60, treeStableCount=3))
+c['schedulers'].append(AggregatingScheduler(
     name='db-devel-focal-postgresql16',
-    builderNames=["lp-db-devel-focal-postgresql16"]))
+    builderNames=["lp-db-devel-focal-postgresql16"],
+    branch="db-devel",
+    treeStableTimer=3*60, treeStableCount=3))
 
 ####### BUILDERS