mirror of
https://github.com/zulip/docker-zulip.git
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ff07aa7093
This caused a "Command not found" and no effective check on the version of docker-compose.
111 lines
3.7 KiB
Bash
Executable File
111 lines
3.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -eux
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new_version=14
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# Require the `yq` tool
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if ! command -v yq >/dev/null; then
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echo "You must install the 'yq' tool to use this script."
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exit 1
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fi
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# Require docker-compose 2.1.1 or higher, for `docker-compose up --wait`
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docker_compose_version=$(docker-compose --version --short)
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if [ "${docker_compose_version}" = "$(echo -e "2.1.0\n${docker_compose_version}" | sort -V | head -n1)" ]; then
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echo "Your docker-compose is too old (${docker_compose_version}); upgrade to at least 2.1.1."
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exit 1
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fi
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image=$(yq ".services.database.image" docker-compose.yml)
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if [[ $image =~ ^zulip/zulip-postgresql:([0-9]+)$ ]]; then
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old_version="${BASH_REMATCH[1]}"
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else
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echo "Unexpected PostgreSQL image: $image"
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exit 1
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fi
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volume_mount=$(yq ".services.database.volumes.0" docker-compose.yml)
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if [[ "$volume_mount" =~ ^([^:]+):/var/lib/postgresql/data:rw$ ]]; then
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old_mountpoint="${BASH_REMATCH[1]}"
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else
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echo "Unexpected volume mount: $volume_mount"
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exit 1
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fi
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if [ "$new_version" -eq "$old_version" ]; then
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echo "PostgreSQL image is already version $new_version!"
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exit 1
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fi
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# Create a new volume for the data; scope it with the current
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# directory, like docker-compose
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docker_compose_project="$(basename "$(pwd)")"
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new_volume="postgresql-$new_version"
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full_new_volume="${docker_compose_project}_${new_volume}"
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docker volume create "$full_new_volume"
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trap 'docker volume --force "$full_new_volume"' EXIT
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# Start a new PostgreSQL container of the right version to read in the
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# dumped database and write a new data dir on the new volume
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temp_container=$(
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docker run -d \
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-e POSTGRES_DB=zulip \
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-e POSTGRES_USER=zulip \
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-e POSTGRES_PASSWORD=zulip \
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-v "$full_new_volume:/var/lib/postgresql/data:rw" \
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--health-cmd 'psql -U zulip -c "select 1"' \
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--health-interval 10s \
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"zulip/zulip-postgresql:$new_version"
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)
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trap 'docker rm --force "$temp_container"; docker volume rm --force "$full_new_volume"' EXIT
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# Wait for the new PostgreSQL container to become available
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tries=0
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while [ "$(docker inspect --format='{{json .State.Health.Status}}' "$temp_container")" != '"healthy"' ]; do
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tries=$((tries + 1))
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if [ "$tries" -gt 5 ]; then
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echo "PostgreSQL $new_version container failed to start!"
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exit 1
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fi
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sleep 10
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done
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# Ensure database is running
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docker-compose up --wait database
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# Stop the zulip processes which talk to the database
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zulip_is_running=$(docker-compose ps --filter status=running --services | grep zulip || true)
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if [ -n "$zulip_is_running" ]; then
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docker-compose stop zulip
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fi
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# Transfer the data to the new container
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docker-compose exec database pg_dumpall -U zulip |
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docker exec -i "$temp_container" psql -U zulip
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if [ "$old_version" -eq "10" ]; then
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# Upgrade MD5 password to SCRAM-SHA-256. We escape all 's by doubling them.
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database_password=$(yq .services.database.environment.POSTGRES_PASSWORD docker-compose.yml |
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perl -pe "s/'/''/g")
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echo "ALTER USER zulip WITH PASSWORD '$database_password';" |
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docker exec -i "$temp_container" psql -U zulip
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fi
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# Stop the running database
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docker-compose rm --force --stop database
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# Stop the temporary PostgreSQL container
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docker stop "$temp_container"
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docker rm "$temp_container"
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trap '' EXIT
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# Update the docker-compose.yml file for the new version and data path
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IMAGE="zulip/zulip-postgresql:$new_version" yq -i '.services.database.image = strenv(IMAGE)' docker-compose.yml
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VOLUME="$new_volume:/var/lib/postgresql/data:rw" yq -i '.services.database.volumes.0 = strenv(VOLUME)' docker-compose.yml
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VOLUME="$new_volume" yq -i 'with(.volumes.[strenv(VOLUME)]; . = "" | . tag="!!null")' docker-compose.yml
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# Restart zulip, and the new database container
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docker-compose up --wait
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echo "Old data from PostgreSQL $old_version is available in $old_mountpoint"
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