From 30977cc4bb041dcf2d461d39e109eef4d377272f Mon Sep 17 00:00:00 2001
From: Alexander Kukushkin <cyberdemn@gmail.com>
Date: Fri, 8 Oct 2021 16:14:27 +0200
Subject: [PATCH] Drop pg_repack extension before major upgrade (#646)

and enable wal_compression by default (it is a must when running with page checksums)
---
 postgres-appliance/Dockerfile                  | 2 +-
 postgres-appliance/major_upgrade/pg_upgrade.py | 2 +-
 postgres-appliance/scripts/configure_spilo.py  | 1 +
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/postgres-appliance/Dockerfile b/postgres-appliance/Dockerfile
index ee97097ab..5f61b787b 100644
--- a/postgres-appliance/Dockerfile
+++ b/postgres-appliance/Dockerfile
@@ -81,7 +81,7 @@ ARG DEB_PG_SUPPORTED_VERSIONS="$PGOLDVERSIONS $PGVERSION"
 # Install PostgreSQL, extensions and contribs
 ENV POSTGIS_VERSION=3.1 \
     POSTGIS_LEGACY=3.1 \
-    BG_MON_COMMIT=1f3461dda893c14778c02b5968d4c83a5d4d8e7d \
+    BG_MON_COMMIT=b81800d9d45d112ef402eca7588d24364198417b \
     PG_AUTH_MON_COMMIT=437435b4e2de32a820e86973f6934ec849a768e0 \
     PG_MON_COMMIT=54fbdcc3cfe7e2a626bd96dda644d9a0c6866b58 \
     DECODERBUFS=v.1.3.1.Final \
diff --git a/postgres-appliance/major_upgrade/pg_upgrade.py b/postgres-appliance/major_upgrade/pg_upgrade.py
index 1b67164db..35fd93446 100644
--- a/postgres-appliance/major_upgrade/pg_upgrade.py
+++ b/postgres-appliance/major_upgrade/pg_upgrade.py
@@ -96,7 +96,7 @@ def drop_possibly_incompatible_objects(self):
                 logger.info('Executing "DROP FUNCTION metric_helpers.pg_stat_statements" in the database="%s"', d)
                 cur.execute("DROP FUNCTION IF EXISTS metric_helpers.pg_stat_statements(boolean) CASCADE")
 
-                for ext in ('pg_stat_kcache', 'pg_stat_statements') + self._INCOMPATIBLE_EXTENSIONS:
+                for ext in ('pg_stat_kcache', 'pg_stat_statements', 'pg_repack') + self._INCOMPATIBLE_EXTENSIONS:
                     logger.info('Executing "DROP EXTENSION IF EXISTS %s" in the database="%s"', ext, d)
                     cur.execute("DROP EXTENSION IF EXISTS {0}".format(ext))
 
diff --git a/postgres-appliance/scripts/configure_spilo.py b/postgres-appliance/scripts/configure_spilo.py
index 9c3a09152..9754ee608 100755
--- a/postgres-appliance/scripts/configure_spilo.py
+++ b/postgres-appliance/scripts/configure_spilo.py
@@ -202,6 +202,7 @@ def deep_update(a, b):
         archive_timeout: 1800s
         wal_level: hot_standby
         wal_log_hints: 'on'
+        wal_compression: 'on'
         max_wal_senders: 10
         max_connections: {{postgresql.parameters.max_connections}}
         max_replication_slots: 10