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fix: disable client connections during upgrade #1199

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Merged
merged 1 commit into from
Sep 12, 2024
Merged

fix: disable client connections during upgrade #1199

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6 changes: 6 additions & 0 deletions ansible/files/admin_api_scripts/pg_upgrade_scripts/common.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -88,6 +88,10 @@ CI_start_postgres() {

swap_postgres_and_supabase_admin() {
run_sql <<'EOSQL'
alter database postgres connection limit 0;
select pg_terminate_backend(pid) from pg_stat_activity where backend_type = 'client backend' and pid != pg_backend_pid();
EOSQL
run_sql <<'EOSQL'
set statement_timeout = '300s';
begin;
create role supabase_tmp superuser;
Expand Down Expand Up @@ -509,6 +513,8 @@ begin
end
$$;

alter database postgres connection limit -1;

set session authorization supabase_admin;
drop role supabase_tmp;
commit;
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3 changes: 3 additions & 0 deletions ansible/files/admin_api_scripts/pg_upgrade_scripts/initiate.sh
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Expand Up @@ -125,6 +125,9 @@ cleanup() {
echo "Removing SUPERUSER grant from postgres"
run_sql -c "ALTER USER postgres WITH NOSUPERUSER;"

echo "Resetting postgres database connection limit"
run_sql -c "ALTER DATABASE postgres CONNECTION LIMIT -1;"

if [ -z "$IS_CI" ] && [ -z "$IS_LOCAL_UPGRADE" ]; then
echo "Unmounting data disk from ${MOUNT_POINT}"
umount $MOUNT_POINT
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