Add postgres upgrade magic
This commit is contained in:
parent
a9bb848aba
commit
e1e9a05be3
12
compose.yml
12
compose.yml
|
@ -52,13 +52,17 @@ services:
|
|||
- POSTGRES_USER=root
|
||||
- POSTGRES_PASSWORD_FILE=/run/secrets/db_password
|
||||
- POSTGRES_DB=n8n
|
||||
configs:
|
||||
- source: db_entrypoint
|
||||
target: /docker-entrypoint.sh
|
||||
mode: 0555
|
||||
secrets:
|
||||
- db_password
|
||||
healthcheck:
|
||||
test: ["CMD", "pg_isready", "-U", "root", "-d", "n8n"]
|
||||
volumes:
|
||||
- 'postgresql_data:/var/lib/postgresql/data'
|
||||
# - ./init-data.sh:/docker-entrypoint-initdb.d/init-data.sh
|
||||
entrypoint: /docker-entrypoint.sh
|
||||
deploy:
|
||||
labels:
|
||||
backupbot.backup: "true"
|
||||
|
@ -82,3 +86,9 @@ networks:
|
|||
proxy:
|
||||
external: true
|
||||
internal_network:
|
||||
|
||||
configs:
|
||||
db_entrypoint:
|
||||
name: ${STACK_NAME}_db_entrypoint_${DB_ENTRYPOINT_VERSION}
|
||||
file: entrypoint.postgres.sh.tmpl
|
||||
template_driver: golang
|
||||
|
|
|
@ -0,0 +1,44 @@
|
|||
#!/bin/bash
|
||||
|
||||
set -e
|
||||
|
||||
MIGRATION_MARKER=$PGDATA/migration_in_progress
|
||||
OLDDATA=$PGDATA/old_data
|
||||
NEWDATA=$PGDATA/new_data
|
||||
|
||||
if [ -e $MIGRATION_MARKER ]; then
|
||||
echo "FATAL: migration was started but did not complete in a previous run. manual recovery necessary"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
if [ -f $PGDATA/PG_VERSION ]; then
|
||||
DATA_VERSION=$(cat $PGDATA/PG_VERSION)
|
||||
|
||||
if [ -n "$DATA_VERSION" -a "$PG_MAJOR" != "$DATA_VERSION" ]; then
|
||||
echo "postgres data version $DATA_VERSION found, but need $PG_MAJOR. Starting migration"
|
||||
echo "Installing postgres $DATA_VERSION"
|
||||
sed -i "s/$/ $DATA_VERSION/" /etc/apt/sources.list.d/pgdg.list
|
||||
apt-get update && apt-get install -y --no-install-recommends \
|
||||
postgresql-$DATA_VERSION \
|
||||
&& rm -rf /var/lib/apt/lists/*
|
||||
echo "shuffling around"
|
||||
gosu postgres mkdir $OLDDATA $NEWDATA
|
||||
chmod 700 $OLDDATA $NEWDATA
|
||||
mv $PGDATA/* $OLDDATA/ || true
|
||||
touch $MIGRATION_MARKER
|
||||
echo "running initdb"
|
||||
# abuse entrypoint script for initdb by making server error out
|
||||
gosu postgres bash -c "export PGDATA=$NEWDATA ; /usr/local/bin/docker-entrypoint.sh --invalid-arg || true"
|
||||
echo "running pg_upgrade"
|
||||
cd /tmp
|
||||
gosu postgres pg_upgrade --link -b /usr/lib/postgresql/$DATA_VERSION/bin -d $OLDDATA -D $NEWDATA -U $POSTGRES_USER
|
||||
cp $OLDDATA/pg_hba.conf $NEWDATA/
|
||||
mv $NEWDATA/* $PGDATA
|
||||
rm -rf $OLDDATA
|
||||
rmdir $NEWDATA
|
||||
rm $MIGRATION_MARKER
|
||||
echo "migration complete"
|
||||
fi
|
||||
fi
|
||||
|
||||
/usr/local/bin/docker-entrypoint.sh postgres
|
Loading…
Reference in New Issue