Revert "Introduce automatic postgres upgrading"

This reverts commit ebfe1d007b5b0afb18dcc6043c470bbfdc467084.

abra.sh

@@ -1,3 +1,2 @@
 export CONFIG_TOML_VERSION=v1
 export APP_ENTRYPOINT_VERSION=v1
-export DB_ENTRYPOINT_VERSION=v2

compose.yml

@@ -45,11 +45,6 @@ services:
       - POSTGRES_PASSWORD_FILE=/run/secrets/db_password
       - POSTGRES_USER=listmonk
       - POSTGRES_DB=listmonk
-    configs:
-      - source: db_entrypoint
-        target: /docker-entrypoint.sh
-        mode: 0555
-    entrypoint: /docker-entrypoint.sh
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U listmonk"]
       interval: 10s
@@ -79,10 +74,6 @@ configs:
   app_entrypoint:
     name: ${STACK_NAME}_app_entrypoint_${APP_ENTRYPOINT_VERSION}
     file: docker-entrypoint.sh
-  db_entrypoint:
-    name: ${STACK_NAME}_db_entrypoint_${DB_ENTRYPOINT_VERSION}
-    file: entrypoint.postgres.sh.tmpl
-    template_driver: golang
 
 networks:
   internal:

entrypoint.postgres.sh.tmpl

@@ -1,44 +0,0 @@
-#!/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

release/3.2.0+v4.0.1

@@ -1 +0,0 @@
-Note! This release introduces a postgres version bump. Make sure to undeploy and redeploy instead of updating in place to allow the postgres migration to occur.