Auto upgrade single node installs to PostgreSQL 14

Postgres 14 is going to become our minimum supported version in
GitLab 17. GitLab 16.11 turns on auto-upgrade for single node installs.

Documentation change: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/147402

Closes https://gitlab.com/gitlab-org/omnibus-gitlab/-/issues/8340

Changelog: changed

Author: Clemens Beck

doc/settings/database.md

@@ -800,16 +800,16 @@ Before proceeding with the upgrade, note the following:
   [default version in the compatibility table](https://docs.gitlab.com/ee/administration/package_information/postgresql_versions.html)
   determines which client binaries (such as the PostgreSQL backup/restore binaries) are active.
 
-The following example demonstrates upgrading from a database host running PostgreSQL 12 to another database host running PostgreSQL 13 and incurs downtime:
+The following example demonstrates upgrading from a database host running PostgreSQL 13 to another database host running PostgreSQL 14 and incurs downtime:
 
-1. Spin up a new PostgreSQL 13 database server that's set up according to the [database requirements](https://docs.gitlab.com/ee/install/requirements.html#database).
+1. Spin up a new PostgreSQL 14 database server that's set up according to the [database requirements](https://docs.gitlab.com/ee/install/requirements.html#database).
 
 1. Ensure that the compatible versions of `pg_dump` and `pg_restore` are being
    used on the GitLab Rails instance. To amend GitLab configuration, edit
    `/etc/gitlab/gitlab.rb` and specify the value of `postgresql['version']`:
 
     ```ruby
-    postgresql['version'] = 13
+    postgresql['version'] = 14
     ```
 
 1. Reconfigure GitLab:
@@ -835,10 +835,10 @@ when your installation is using PgBouncer.
    sudo gitlab-backup create SKIP=repositories,uploads,builds,artifacts,lfs,pages,registry
    ```
 
-1. Shutdown the PostgreSQL 12 database host.
+1. Shutdown the PostgreSQL 13 database host.
 
 1. Edit `/etc/gitlab/gitlab.rb` and update the `gitlab_rails['db_host']` setting
-   to point to the PostgreSQL database 13 host.
+   to point to the PostgreSQL database 14 host.
 
 1. Reconfigure GitLab:
 
@@ -910,12 +910,8 @@ gitlab_rails['initial_shared_runners_registration_token'] = 'token'
 
 ### Pin the packaged PostgreSQL version (fresh installs only)
 
-NOTE:
-GitLab 14.1 and onward shipped with both Postgres 12 and Postgres 13.
-GitLab 14.0 only ships with PostgreSQL 12. GitLab 13.3 and onward shipped both Postgres 11 and Postgres 12.
-GitLab 13.0 through 13.2 only shipped with PostgreSQL 11.
-
-The Linux package installation initializes PostgreSQL with the [default version](https://docs.gitlab.com/ee/administration/package_information/postgresql_versions.html).
+The Linux package ships with [different PostgreSQL versions](https://docs.gitlab.com/ee/administration/package_information/postgresql_versions.html)
+and initializes the default version if not specified otherwise.
 
 To initialize PostgreSQL with a non-default version, you can set `postgresql['version']` to the major version one of
 the [packaged PostgreSQL versions](https://docs.gitlab.com/ee/administration/package_information/postgresql_versions.html) prior to the initial reconfigure.

docker/assets/wrapper

@@ -152,7 +152,7 @@ gitlab-ctl reconfigure
 
 # This must be false when the opt-in PostgreSQL version is the default for pg-upgrade,
 # otherwise it must be true.
-ATTEMPT_AUTO_PG_UPGRADE='false'
+ATTEMPT_AUTO_PG_UPGRADE='true'
 
 # Make sure PostgreSQL is at the latest version.
 # If it fails, print a message with a workaround and exit

files/gitlab-config-template/gitlab.rb.template

@@ -1521,7 +1521,7 @@ external_url 'GENERATED_EXTERNAL_URL'
 
 ### Version settings
 # Set this if you have disabled the bundled PostgreSQL but still want to use the backup rake tasks
-# postgresql['version'] = 10
+# postgresql['version'] = 14
 
 
 ##! Automatically restart PostgreSQL service when version changes.

files/gitlab-ctl-commands/upgrade.rb

@@ -334,7 +334,7 @@ def postgresql_upgrade_disabled?
 end
 
 def geo_detected?
-  (GitlabCtl::Util.roles(base_path) & %w[geo-primary geo-secondary]).any? || service_enabled?('geo-postgresql')
+  (GitlabCtl::Util.roles(base_path) & %w[geo_primary geo_secondary]).any? || service_enabled?('geo-postgresql')
 end
 
 def patroni_detected?
@@ -344,7 +344,7 @@ def patroni_detected?
 def attempt_auto_pg_upgrade?
   # This must return false when the opt-in PostgreSQL version is the default for pg-upgrade,
   # otherwise it must be true.
-  false
+  true
 end
 
 def recommend_pg_upgrade?