app/init-restic.sh

#!/bin/bash

. $1 # source the apps.config file with the env vars

# if we are on a dev machine try to use docker
# otherwise assume we are in prod and restic is installed
# (since we can't/don't run docker-in-docker)
docker run --rm hello-world
if [ $? -ne 0 ]; then
    # from the restic docs, this allows us to check if the
    # repo is initialized. If it is not, this will have the
    # exit code of 10
    AWS_ACCESS_KEY_ID="$BACKBLAZE_KEY_ID" AWS_SECRET_ACCESS_KEY="$BACKBLAZE_APPLICATION_KEY" restic cat config --repo s3:$BACKBLAZE_BUCKET_URL --password-file restic-password

    status=$?
    init_status=0

    if [ $status -eq 10 ]; then
        # restic repo is not initialized so initialize it
        AWS_ACCESS_KEY_ID="$BACKBLAZE_KEY_ID" -e AWS_SECRET_ACCESS_KEY="$BACKBLAZE_APPLICATION_KEY" restic init --repo s3:$BACKBLAZE_BUCKET_URL --password-file restic-password
        init_status=$?
    elif [ $status -ne 0  ]; then
        # something unexpected happened, exit
        exit $status
    fi

    if [ $init_status -ne 0 ]; then
        # something unexpected happened, exit
        exit $init_status
    fi
else
    mkdir -p "emptydir-$ROOT_DOMAIN"

    # from the restic docs, this allows us to check if the
    # repo is initialized. If it is not, this will have the
    # exit code of 10
    docker run --rm --volume "$PWD/emptydir-$ROOT_DOMAIN:/nassella" --volume $PWD/restic-password:/restic-password -e AWS_ACCESS_KEY_ID="$BACKBLAZE_KEY_ID" -e AWS_SECRET_ACCESS_KEY="$BACKBLAZE_APPLICATION_KEY" -i restic/restic:0.18.0 cat config --repo s3:$BACKBLAZE_BUCKET_URL --password-file /restic-password

    status=$?
    init_status=0

    if [ $status -eq 10 ]; then
        # restic repo is not initialized so initialize it
        docker run --rm --volume "$PWD/emptydir-$ROOT_DOMAIN:/nassella" --volume $PWD/restic-password:/restic-password -e AWS_ACCESS_KEY_ID="$BACKBLAZE_KEY_ID" -e AWS_SECRET_ACCESS_KEY="$BACKBLAZE_APPLICATION_KEY" -i restic/restic:0.18.0 init --repo s3:$BACKBLAZE_BUCKET_URL --password-file /restic-password
        init_status=$?
    elif [ $status -ne 0  ]; then
        # something unexpected happened, exit
        rm -Rf "emptydir-$ROOT_DOMAIN"
        exit $status
    fi

    if [ $init_status -ne 0 ]; then
        # something unexpected happened, exit
        rm -Rf "emptydir-$ROOT_DOMAIN"
        exit $init_status
    fi

    rm -Rf "emptydir-$ROOT_DOMAIN"
fi