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Migrate PostgreSQL cluster to PG14 #625

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raucao merged 19 commits from feature/postgresql_migration into master 2026-04-12 14:16:22 +00:00
Conversation 4 Commits 19 Files Changed 46 +15 -4
2 changed files with 15 additions and 4 deletions
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2
site-cookbooks/kosmos_postgresql/files/dump_all_databases.sh
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@@ -1,7 +1,7 @@
#!/bin/bash
cd /tmp && \
(pg_dumpall --globals-only > globals.sql) && \
psql -Atqc "SELECT datname FROM pg_database WHERE datallowconn AND datname NOT IN (''template0'',''postgres'')" | \
psql -Atqc "SELECT datname FROM pg_database WHERE datallowconn AND datname NOT IN (''template1'',''postgres'')" | \
fsmanuel commented 2026-04-11 09:28:25 +00:00
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Why is it template0 instead of template1 like in all the other places?

Why is it `template0` instead of `template1` like in all the other places?
raucao commented 2026-04-11 10:44:25 +00:00
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Ohai @fsmanuel, (very) long time no see!

That's a good catch, it should be template1, because template0 is automatically excluded by the preceding condition (it doesn't allow connections).

Thanks! 🙏

Ohai @fsmanuel, (very) long time no see! That's a good catch, it should be `template1`, because `template0` is automatically excluded by the preceding condition (it doesn't allow connections). Thanks! 🙏
👍 1
xargs -I{} -P4 sh -c "
pg_dump -Fd -j 4 -d \"{}\" -f dump_{} &&
tar -cf - dump_{} | zstd -19 -T0 > dump_{}.tar.zst &&

17
site-cookbooks/kosmos_postgresql/files/list_subscriptions.sh
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@@ -1,5 +1,16 @@
#!/bin/bash
for db in $(psql -Atqc "SELECT datname FROM pg_database WHERE datallowconn AND datname NOT IN ('template1','postgres')"); do
echo "==== DB: $db ===="
psql -d "$db" -c "SELECT * FROM pg_stat_subscription;"
set -euo pipefail
psql -Atqc "
SELECT datname
FROM pg_database
WHERE datallowconn
AND datname NOT IN ('template1','postgres')
" | while read -r db; do
result=$(psql -X -At -d "$db" -c "SELECT * FROM pg_stat_subscription;" 2>/dev/null || true)
if [[ -n "$result" ]]; then
echo "==== DB: $db ===="
echo "$result"
fi
done