Rebuild fails: Data directory /shared/postgres_data must not be owned by root

Since I had documentation of the original (albeit incorrect) permissions, I decided to move forward with testing different chown variations. Ultimately, this set got me past that error:

chown -R messagebus:tss /var/discourse/shared/standalone/postgres_backup
chown -R messagebus:tss /var/discourse/shared/standalone/postgres_data
chown -R messagebus:tss /var/discourse/shared/standalone/postgres_run
chown -R messagebus:tss /var/discourse/shared/standalone/postgres_data_new
chown -R messagebus:tss /var/discourse/shared/standalone/postgres_data_older

I’m now met with the same error mentioned at PostgreSQL 15 update - #61 by xFocus when I run ./launcher rebuild app

The source cluster was not shut down cleanly.
Failure, exiting

Full command output
x86_64 arch detected.
Ensuring launcher is up to date
Launcher is up-to-date
2.0.20250129-0720: Pulling from discourse/base
Digest: sha256:01b8516e5504c0e9bc3707773015ff4407be03a89154194ff3b5b8699291bc26
Status: Image is up to date for discourse/base:2.0.20250129-0720
docker.io/discourse/base:2.0.20250129-0720
/usr/local/lib/ruby/gems/3.3.0/gems/pups-1.2.1/lib/pups.rb
/usr/local/bin/pups --stdin
I, [2025-02-05T16:19:09.574812 #1]  INFO -- : Reading from stdin
I, [2025-02-05T16:19:09.605350 #1]  INFO -- : File > /etc/service/postgres/run  chmod: +x  chown: 
I, [2025-02-05T16:19:09.614043 #1]  INFO -- : File > /etc/service/postgres/log/run  chmod: +x  chown: 
I, [2025-02-05T16:19:09.626167 #1]  INFO -- : File > /etc/runit/3.d/99-postgres  chmod: +x  chown: 
I, [2025-02-05T16:19:09.634599 #1]  INFO -- : File > /root/install_postgres  chmod: +x  chown: 
I, [2025-02-05T16:19:09.643169 #1]  INFO -- : File > /root/upgrade_postgres  chmod: +x  chown: 
I, [2025-02-05T16:19:09.644682 #1]  INFO -- : Replacing data_directory = '/var/lib/postgresql/15/main' with data_directory = '/shared/postgres_data' in /etc/postgresql/15/main/postgresql.conf
I, [2025-02-05T16:19:09.646186 #1]  INFO -- : Replacing (?-mix:#?listen_addresses *=.*) with listen_addresses = '*' in /etc/postgresql/15/main/postgresql.conf
I, [2025-02-05T16:19:09.653810 #1]  INFO -- : Replacing (?-mix:#?synchronous_commit *=.*) with synchronous_commit = $db_synchronous_commit in /etc/postgresql/15/main/postgresql.conf
I, [2025-02-05T16:19:09.655422 #1]  INFO -- : Replacing (?-mix:#?shared_buffers *=.*) with shared_buffers = $db_shared_buffers in /etc/postgresql/15/main/postgresql.conf
I, [2025-02-05T16:19:09.656864 #1]  INFO -- : Replacing (?-mix:#?work_mem *=.*) with work_mem = $db_work_mem in /etc/postgresql/15/main/postgresql.conf
I, [2025-02-05T16:19:09.657789 #1]  INFO -- : Replacing (?-mix:#?default_text_search_config *=.*) with default_text_search_config = '$db_default_text_search_config' in /etc/postgresql/15/main/postgresql.conf
I, [2025-02-05T16:19:09.659640 #1]  INFO -- : Replacing (?-mix:#?checkpoint_segments *=.*) with checkpoint_segments = $db_checkpoint_segments in /etc/postgresql/15/main/postgresql.conf
I, [2025-02-05T16:19:09.660906 #1]  INFO -- : Replacing (?-mix:#?logging_collector *=.*) with logging_collector = $db_logging_collector in /etc/postgresql/15/main/postgresql.conf
I, [2025-02-05T16:19:09.661925 #1]  INFO -- : Replacing (?-mix:#?log_min_duration_statement *=.*) with log_min_duration_statement = $db_log_min_duration_statement in /etc/postgresql/15/main/postgresql.conf
I, [2025-02-05T16:19:09.663114 #1]  INFO -- : Replacing (?-mix:^#local +replication +postgres +peer$) with local replication postgres  peer in /etc/postgresql/15/main/pg_hba.conf
I, [2025-02-05T16:19:09.663912 #1]  INFO -- : Replacing (?-mix:^host.*all.*all.*127.*$) with host all all 0.0.0.0/0 md5 in /etc/postgresql/15/main/pg_hba.conf
I, [2025-02-05T16:19:09.664817 #1]  INFO -- : Replacing (?-mix:^host.*all.*all.*::1\/128.*$) with host all all ::/0 md5 in /etc/postgresql/15/main/pg_hba.conf
I, [2025-02-05T16:19:09.665701 #1]  INFO -- : > if [ -f /root/install_postgres ]; then
  /root/install_postgres && rm -f /root/install_postgres
elif [ -e /shared/postgres_run/.s.PGSQL.5432 ]; then
  socat /dev/null UNIX-CONNECT:/shared/postgres_run/.s.PGSQL.5432 || exit 0 && echo postgres already running stop container ; exit 1
fi

initdb: warning: enabling "trust" authentication for local connections
initdb: hint: You can change this by editing pg_hba.conf or using the option -A, or --auth-local and --auth-host, the next time you run initdb.
W: https://dl.yarnpkg.com/debian/dists/stable/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.
debconf: delaying package configuration, since apt-utils is not installed
I, [2025-02-05T16:19:29.797884 #1]  INFO -- : Generating locales (this might take a while)...
  en_US.UTF-8... done
Generation complete.
Upgrading PostgreSQL from version 13 to 15
The files belonging to this database system will be owned by user "postgres".
This user must also own the server process.

The database cluster will be initialized with locale "en_US.UTF-8".
The default database encoding has accordingly been set to "UTF8".
The default text search configuration will be set to "english".

Data page checksums are disabled.

fixing permissions on existing directory /shared/postgres_data_new ... ok
creating subdirectories ... ok
selecting dynamic shared memory implementation ... posix
selecting default max_connections ... 100
selecting default shared_buffers ... 128MB
selecting default time zone ... Etc/UTC
creating configuration files ... ok
running bootstrap script ... ok
performing post-bootstrap initialization ... ok
syncing data to disk ... ok


Success. You can now start the database server using:

    /usr/lib/postgresql/15/bin/pg_ctl -D /shared/postgres_data_new -l logfile start

Get:1 http://deb.debian.org/debian bookworm-backports InRelease [59.0 kB]
Get:2 http://deb.debian.org/debian bookworm InRelease [151 kB]
Get:3 http://deb.debian.org/debian bookworm-updates InRelease [55.4 kB]
Get:4 http://deb.debian.org/debian-security bookworm-security InRelease [48.0 kB]
Get:5 https://dl.yarnpkg.com/debian stable InRelease [17.1 kB]
Get:6 https://deb.nodesource.com/node_22.x nodistro InRelease [12.1 kB]
Get:7 http://deb.debian.org/debian bookworm-backports/main amd64 Packages [282 kB]
Get:8 http://deb.debian.org/debian bookworm/main amd64 Packages [8,792 kB]
Get:9 http://deb.debian.org/debian bookworm-updates/main amd64 Packages [13.5 kB]
Get:10 https://apt.postgresql.org/pub/repos/apt bookworm-pgdg InRelease [129 kB]
Get:11 http://deb.debian.org/debian-security bookworm-security/main amd64 Packages [243 kB]
Get:12 https://dl.yarnpkg.com/debian stable/main amd64 Packages [10.9 kB]
Get:13 https://dl.yarnpkg.com/debian stable/main all Packages [10.9 kB]
Get:14 https://deb.nodesource.com/node_22.x nodistro/main amd64 Packages [5,274 B]
Get:15 https://apt.postgresql.org/pub/repos/apt bookworm-pgdg/main amd64 Packages [360 kB]
Fetched 10.2 MB in 3s (3,942 kB/s)
Reading package lists...
Reading package lists...
Building dependency tree...
Reading state information...
The following additional packages will be installed:
  postgresql-client-13
Suggested packages:
  postgresql-doc-13
The following NEW packages will be installed:
  postgresql-13 postgresql-13-pgvector postgresql-client-13
0 upgraded, 3 newly installed, 0 to remove and 0 not upgraded.
Need to get 17.3 MB of archives.
After this operation, 56.7 MB of additional disk space will be used.
Get:1 https://apt.postgresql.org/pub/repos/apt bookworm-pgdg/main amd64 postgresql-client-13 amd64 13.18-1.pgdg120+1 [1,523 kB]
Get:2 https://apt.postgresql.org/pub/repos/apt bookworm-pgdg/main amd64 postgresql-13 amd64 13.18-1.pgdg120+1 [15.4 MB]
Get:3 https://apt.postgresql.org/pub/repos/apt bookworm-pgdg/main amd64 postgresql-13-pgvector amd64 0.8.0-1.pgdg120+1 [297 kB]
Fetched 17.3 MB in 2s (9,988 kB/s)
Selecting previously unselected package postgresql-client-13.
(Reading database ... 33363 files and directories currently installed.)
Preparing to unpack .../postgresql-client-13_13.18-1.pgdg120+1_amd64.deb ...
Unpacking postgresql-client-13 (13.18-1.pgdg120+1) ...
Selecting previously unselected package postgresql-13.
Preparing to unpack .../postgresql-13_13.18-1.pgdg120+1_amd64.deb ...
Unpacking postgresql-13 (13.18-1.pgdg120+1) ...
Selecting previously unselected package postgresql-13-pgvector.
Preparing to unpack .../postgresql-13-pgvector_0.8.0-1.pgdg120+1_amd64.deb ...
Unpacking postgresql-13-pgvector (0.8.0-1.pgdg120+1) ...
Setting up postgresql-client-13 (13.18-1.pgdg120+1) ...
Setting up postgresql-13 (13.18-1.pgdg120+1) ...
Creating new PostgreSQL cluster 13/main ...
/usr/lib/postgresql/13/bin/initdb -D /var/lib/postgresql/13/main --auth-local peer --auth-host md5
The files belonging to this database system will be owned by user "postgres".
This user must also own the server process.

The database cluster will be initialized with locale "C.UTF-8".
The default database encoding has accordingly been set to "UTF8".
The default text search configuration will be set to "english".

Data page checksums are disabled.

fixing permissions on existing directory /var/lib/postgresql/13/main ... ok
creating subdirectories ... ok
selecting dynamic shared memory implementation ... posix
selecting default max_connections ... 100
selecting default shared_buffers ... 128MB
selecting default time zone ... Etc/UTC
creating configuration files ... ok
running bootstrap script ... ok
performing post-bootstrap initialization ... ok
syncing data to disk ... ok

Success. You can now start the database server using:

    pg_ctlcluster 13 main start

invoke-rc.d: could not determine current runlevel
invoke-rc.d: policy-rc.d denied execution of start.
Setting up postgresql-13-pgvector (0.8.0-1.pgdg120+1) ...
Processing triggers for postgresql-common (267.pgdg120+1) ...
Building PostgreSQL dictionaries from installed myspell/hunspell packages...
Removing obsolete dictionary files:
Stopping PostgreSQL 13 database server: main.
Stopping PostgreSQL 15 database server: main.
Performing Consistency Checks
-----------------------------
Checking cluster versions                                   ok

The source cluster was not shut down cleanly.
Failure, exiting
-------------------------------------------------------------------------------------
UPGRADE OF POSTGRES FAILED

Please visit https://meta.discourse.org/t/postgresql-15-update/349515 for support.

You can run ./launcher start app to restart your app in the meanwhile
-------------------------------------------------------------------------------------



FAILED
--------------------
Pups::ExecError: if [ -f /root/install_postgres ]; then
  /root/install_postgres && rm -f /root/install_postgres
elif [ -e /shared/postgres_run/.s.PGSQL.5432 ]; then
  socat /dev/null UNIX-CONNECT:/shared/postgres_run/.s.PGSQL.5432 || exit 0 && echo postgres already running stop container ; exit 1
fi
 failed with return #<Process::Status: pid 18 exit 1>
Location of failure: /usr/local/lib/ruby/gems/3.3.0/gems/pups-1.2.1/lib/pups/exec_command.rb:132:in `spawn'
exec failed with the params {"tag"=>"db", "cmd"=>"if [ -f /root/install_postgres ]; then\n  /root/install_postgres && rm -f /root/install_postgres\nelif [ -e /shared/postgres_run/.s.PGSQL.5432 ]; then\n  socat /dev/null UNIX-CONNECT:/shared/postgres_run/.s.PGSQL.5432 || exit 0 && echo postgres already running stop container ; exit 1\nfi\n"}
bootstrap failed with exit code 1
** FAILED TO BOOTSTRAP ** please scroll up and look for earlier error messages, there may be more than one.
./discourse-doctor may help diagnose the problem.
e2940f8bb9e51f0f290e0b6cb78257d5fa5d7563542591405689531d1af8432b

In that other thread, it was suggested to check the output of
tail /var/discourse/shared/standalone/log/var-log/postgres/current

2025-02-05 01:03:07.494 UTC [567] LOG:  received smart shutdown request
2025-02-05 01:03:08.698 UTC [567] LOG:  background worker "logical replication launcher" (PID 593) exited with exit code 1
2025-02-05 01:03:08.701 UTC [588] LOG:  shutting down
2025-02-05 01:03:08.786 UTC [567] LOG:  database system is shut down
2025-02-05 01:03:34.209 UTC [565] LOG:  starting PostgreSQL 13.14 (Debian 13.14-1.pgdg110+2) on x86_64-pc-linux-gnu, compiled by gcc (Debian 10.2.1-6) 10.2.1 20210110, 64-bit
2025-02-05 01:03:34.211 UTC [565] LOG:  listening on IPv4 address "0.0.0.0", port 5432
2025-02-05 01:03:34.211 UTC [565] LOG:  listening on IPv6 address "::", port 5432
2025-02-05 01:03:34.222 UTC [565] LOG:  listening on Unix socket "/var/run/postgresql/.s.PGSQL.5432"
2025-02-05 01:03:34.261 UTC [587] LOG:  database system was shut down at 2025-02-05 01:03:08 UTC
2025-02-05 01:03:34.339 UTC [565] LOG:  database system is ready to accept connections

There were also mentions of stopping processes etc, but I currently have zero running containers, so that doesn’t seem to apply to my situation.

I have absolutely no idea what to do from here.