Custom postgres entrypoint to handle major upgrades..
..appropriated from the coop-cloud/outline recipe.
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parent
276f4f6933
commit
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3
abra.sh
3
abra.sh
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@ -1,2 +1,3 @@
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export CLICKHOUSE_CONF_VERSION=v1
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export CLICKHOUSE_CONF_VERSION=v2
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export CLICKHOUSE_USER_CONF_VERSION=v2
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export CLICKHOUSE_USER_CONF_VERSION=v2
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export DB_ENTRYPOINT_VERSION=v1
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12
compose.yml
12
compose.yml
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@ -30,9 +30,15 @@ services:
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- "traefik.http.routers.${STACK_NAME}.tls.certresolver=${LETS_ENCRYPT_ENV}"
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- "traefik.http.routers.${STACK_NAME}.tls.certresolver=${LETS_ENCRYPT_ENV}"
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- coop-cloud.${STACK_NAME}.version=1.1.0+1.5.1
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- coop-cloud.${STACK_NAME}.version=1.1.0+1.5.1
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db:
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db:
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image: postgres:13.11-alpine
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image: postgres:13.11
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configs:
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- source: db_entrypoint
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target: /docker-entrypoint.sh
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mode: 0555
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# Custom docker entrypoint to handle major Postgres version upgrades
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volumes:
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volumes:
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- db-data:/var/lib/postgresql/data
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- db-data:/var/lib/postgresql/data
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entrypoint: /docker-entrypoint.sh
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environment:
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environment:
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- POSTGRES_USER=plausible
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- POSTGRES_USER=plausible
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- POSTGRES_PASSWORD=plausible
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- POSTGRES_PASSWORD=plausible
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@ -68,3 +74,7 @@ configs:
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clickhouse-user-config:
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clickhouse-user-config:
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name: ${STACK_NAME}_clickhouse_user_config_${CLICKHOUSE_USER_CONF_VERSION}
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name: ${STACK_NAME}_clickhouse_user_config_${CLICKHOUSE_USER_CONF_VERSION}
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file: clickhouse-user-config.xml
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file: clickhouse-user-config.xml
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db_entrypoint:
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name: ${STACK_NAME}_db_entrypoint_${DB_ENTRYPOINT_VERSION}
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file: entrypoint.postgres.sh.tmpl
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template_driver: golang
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@ -0,0 +1,44 @@
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#!/bin/bash
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set -e
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MIGRATION_MARKER=$PGDATA/migration_in_progress
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OLDDATA=$PGDATA/old_data
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NEWDATA=$PGDATA/new_data
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if [ -e $MIGRATION_MARKER ]; then
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echo "FATAL: migration was started but did not complete in a previous run. manual recovery necessary"
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exit 1
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fi
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if [ -f $PGDATA/PG_VERSION ]; then
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DATA_VERSION=$(cat $PGDATA/PG_VERSION)
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if [ -n "$DATA_VERSION" -a "$PG_MAJOR" != "$DATA_VERSION" ]; then
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echo "postgres data version $DATA_VERSION found, but need $PG_MAJOR. Starting migration"
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echo "Installing postgres $DATA_VERSION"
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sed -i "s/$/ $DATA_VERSION/" /etc/apt/sources.list.d/pgdg.list
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apt-get update && apt-get install -y --no-install-recommends \
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postgresql-$DATA_VERSION \
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&& rm -rf /var/lib/apt/lists/*
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echo "shuffling around"
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gosu postgres mkdir $OLDDATA $NEWDATA
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chmod 700 $OLDDATA $NEWDATA
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mv $PGDATA/* $OLDDATA/ || true
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touch $MIGRATION_MARKER
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echo "running initdb"
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# abuse entrypoint script for initdb by making server error out
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gosu postgres bash -c "export PGDATA=$NEWDATA ; /usr/local/bin/docker-entrypoint.sh --invalid-arg || true"
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echo "running pg_upgrade"
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cd /tmp
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gosu postgres pg_upgrade --link -b /usr/lib/postgresql/$DATA_VERSION/bin -d $OLDDATA -D $NEWDATA -U $POSTGRES_USER
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cp $OLDDATA/pg_hba.conf $NEWDATA/
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mv $NEWDATA/* $PGDATA
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rm -rf $OLDDATA
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rmdir $NEWDATA
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rm $MIGRATION_MARKER
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echo "migration complete"
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fi
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fi
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/usr/local/bin/docker-entrypoint.sh postgres
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