* debian/patches/pg_rewind_fix_get_guc_value.patch: Removed, no longer
needed.
This commit is contained in:
parent
1e0b3773c6
commit
957b531788
5
debian/changelog
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5
debian/changelog
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@ -1,7 +1,12 @@
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patroni (2.1.4-1) UNRELEASED; urgency=medium
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[ Debian PostgreSQL Maintainers ]
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* New upstream release.
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[ Michael Banck ]
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* debian/patches/pg_rewind_fix_get_guc_value.patch: Removed, no longer
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needed.
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-- Debian PostgreSQL Maintainers <team+postgresql@tracker.debian.org> Fri, 29 Apr 2022 19:18:04 +0200
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patroni (2.1.3-3) unstable; urgency=medium
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56
debian/patches/pg_rewind_fix_get_guc_value.patch
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56
debian/patches/pg_rewind_fix_get_guc_value.patch
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@ -1,56 +0,0 @@
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commit 7626b5fef8ef18feab477354006a56b46a47436e
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Author: Gunnar "Nick" Bluth <gunnar.bluth@pro-open.de>
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Date: Thu Mar 24 13:56:16 2022 +0100
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Fix pg_rewind on typical Debian/Ubuntu systems (#2225)
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On Debian/Ubuntu systems it is common to keep Postgres config files outside of the data directory.
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It created a couple of problems for pg_rewind support in Patroni.
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1. The `--config_file` argument must be supplied while figuring out the `restore_command` GUC value on Postgres v12+
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2. With Postgres v13+ pg_rewind by itself can't find postgresql.conf in order to figure out `restore_command` and therefore we have to use Patroni as a fallback for fetching missing WAL's that are required for rewind.
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This commit addresses both problems.
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diff --git a/patroni/postgresql/__init__.py b/patroni/postgresql/__init__.py
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index aeadc3e..3b9f250 100644
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--- a/patroni/postgresql/__init__.py
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+++ b/patroni/postgresql/__init__.py
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@@ -798,7 +798,8 @@ class Postgresql(object):
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return True
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def get_guc_value(self, name):
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- cmd = [self.pgcommand('postgres'), '-D', self._data_dir, '-C', name]
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+ cmd = [self.pgcommand('postgres'), '-D', self._data_dir, '-C', name,
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+ '--config-file={}'.format(self.config.postgresql_conf)]
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try:
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data = subprocess.check_output(cmd)
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if data:
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diff --git a/patroni/postgresql/rewind.py b/patroni/postgresql/rewind.py
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index fb754f5..5a2e4a3 100644
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--- a/patroni/postgresql/rewind.py
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+++ b/patroni/postgresql/rewind.py
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@@ -311,8 +311,14 @@ class Rewind(object):
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restore_command = self._postgresql.config.get('recovery_conf', {}).get('restore_command') \
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if self._postgresql.major_version < 120000 else self._postgresql.get_guc_value('restore_command')
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+ # currently, pg_rewind expects postgresql.conf to be inside $PGDATA, which is not the case on e.g. Debian
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+ # Fix this logic if e.g. PG15 receives an update for pg_rewind:
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+ pg_rewind_can_restore = self._postgresql.major_version >= 130000 \
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+ and restore_command \
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+ and self._postgresql.config._config_dir == self._postgresql.data_dir
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+
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cmd = [self._postgresql.pgcommand('pg_rewind')]
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- if self._postgresql.major_version >= 130000 and restore_command:
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+ if pg_rewind_can_restore:
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cmd.append('--restore-target-wal')
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cmd.extend(['-D', self._postgresql.data_dir, '--source-server', dsn])
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@@ -329,7 +335,7 @@ class Rewind(object):
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if ret == 0:
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return True
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- if not restore_command or self._postgresql.major_version >= 130000:
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+ if not restore_command or pg_rewind_can_restore:
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return False
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missing_wal = self._find_missing_wal(results['stderr']) or self._find_missing_wal(results['stdout'])
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1
debian/patches/series
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1
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@ -4,4 +4,3 @@ requirements_setuptools.patch
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offline_intersphinx.patch
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requirements_cdiff.patch
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regression_tests_disable_raft_tests.py
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pg_rewind_fix_get_guc_value.patch
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