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Run on_role_change cb after a failed primary recovery (#3198)

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Additionally run on_role_change callback in post_recover() for a primary
that failed to start after a crash to increase chances the callback is executed,
even if the further start as a replica fails

---------

Co-authored-by: Alexander Kukushkin <[email protected]>
This commit is contained in:
Polina Bungina
2024-10-31 09:22:51 +01:00
committed by GitHub
co-authored by Alexander Kukushkin
parent e8a8bfe42f
commit 7dcb9b9840
4 changed files with 24 additions and 1 deletions
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features/recovery.feature
+9
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@@ -24,3 +24,12 @@ Feature: recovery
When I kill postmaster on postgres-0
Then postgres-1 is a leader after 10 seconds
And postgres-1 role is the primary after 10 seconds
Scenario: check crashed primary demotes after failed attempt to start
Given I issue a PATCH request to http://127.0.0.1:8009/config with {"master_start_timeout": null}
Then I receive a response code 200
And postgres-0 role is the replica after 10 seconds
When I ensure postgres-1 fails to start after a failure
When I kill postmaster on postgres-1
Then postgres-0 is a leader after 10 seconds
And there is a postgres-1_cb.log with "on_role_change demoted batman" in postgres-1 data directory
features/steps/recovery.py
+9
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@@ -0,0 +1,9 @@
import os
from behave import step
@step('I ensure {name:name} fails to start after a failure')
def spoil_autoconf(context, name):
with open(os.path.join(context.pctl._processes[name]._data_dir, 'postgresql.auto.conf'), 'w') as f:
f.write('foo=bar')