scripts for upgrading gerrit with docker

docker-compose.yml

version: '2'
services:
    gerrit_postgres:
        image: postgres:9.4
        volumes:
            - gerrit_postgres_data:/var/lib/postgresql/data
        environment:
            - POSTGRES_USER=gerrit
            - POSTGRES_PASSWORD=somepassword
            - POSTGRES_DB=reviewdb
        ports:
            - "8822:5432"

volumes:
    gerrit_postgres_data:

gerrit.config

[gerrit]
	basePath = git
	serverId = d9b45162-4d45-4b25-9936-2b77c21b2656
	canonicalWebUrl = http://localhost:9999/
[database]
	type = postgresql
	hostname = gerrit_gerrit_postgres_1
	database = reviewdb
	username = gerrit
[index]
	type = LUCENE
[auth]
	type = OPENID
[sendemail]
	smtpServer = localhost
[container]
	user = gerrit
	javaHome = 
[sshd]
	listenAddress = *:29418
[httpd]
	listenUrl = http://*:8080/
[cache]
	directory = cache
[plugins]
	allowRemoteAdmin = true
[receive]
	enableSignedPush = false

init.sh

set -x
set -e

id

SU_GERRIT=
if [ "$(id -u)" == "0" ]; then
    if which su-exec; then
        SU_GERRIT="su-exec $GERRIT_USER"
    else
        apk add sudo
        SU_GERRIT="sudo -u $GERRIT_USER"
    fi
fi

mkdir -p "$GERRIT_SITE"
chown "$GERRIT_USER:$GERRIT_USER" "$GERRIT_SITE"
(
    set -x
    cd /gerrit
    for dir in ./*; do
        if test -d "$dir"; then
            rm -rf "$GERRIT_SITE/$dir"
            ln -s "/gerrit/$dir" "$GERRIT_SITE/$dir"
        fi
    done
)

$SU_GERRIT java -jar "$GERRIT_WAR" init --batch -d "$GERRIT_SITE"
git config -f "$GERRIT_SITE/etc/gerrit.config" container.javaHome ""
cat "$GERRIT_SITE/etc/gerrit.config"

$SU_GERRIT java -jar "$GERRIT_WAR" reindex -d "$GERRIT_SITE"

if [[ $GERRIT_VERSION. == 2.15.* ]]; then
    # $SU_GERRIT java -jar "$GERRIT_WAR" migrate-to-note-db -d "$GERRIT_SITE" || true
    :
fi

exec $SU_GERRIT "$GERRIT_SITE/bin/gerrit.sh" daemon

upgrade.sh

#!/bin/bash
set -e
set -x

PREV="$( (docker inspect -f '{{.Config.Image}}' gerrit) | sed 's/.*://' )"
case "$PREV." in
    .)      GERRIT_VERSION=2.10.x;;
    2.10.*) GERRIT_VERSION=2.11.10;;
    # # TODO(mateuszc): try going straight to 2.13.x
    2.11.*) GERRIT_VERSION=2.12.7;;
    2.12.*) GERRIT_VERSION=2.13.11;;
    2.13.*) GERRIT_VERSION=2.14.8;;
    2.14.*) GERRIT_VERSION=2.15.1;;
    *)
        echo "error: Don't know how to upgrade further from version $PREV" >&2
        exit 1;;
esac

docker stop gerrit_restore || true
docker stop gerrit || true
docker-compose up -d --build gerrit_postgres

if [[ $GERRIT_VERSION. == 2.10.* ]]; then
    # Prepare volume gerrit_index
    docker volume rm gerrit_index
    docker run \
        --rm \
        -v "gerrit_index:/gerrit/index" \
        ubuntu:16.04 \
        chown 1000:1000 /gerrit/index
fi

docker rm gerrit || true
docker run \
    --name gerrit \
    -v "$PWD/git:/gerrit/git" \
    -v "$PWD/etc:/gerrit/etc" \
    -v "gerrit_index:/gerrit/index" \
    -v "$PWD/init.sh:/gerrit/init.sh:ro" \
    --network gerrit_default \
    -p 9999:8080 \
    -p 29418:29418 \
    openfrontier/gerrit:$GERRIT_VERSION \
    bash /gerrit/init.sh