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first steps dockerized

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This commit is contained in:
Philipp Rothmann
2021-11-08 16:58:25 +01:00
parent 49ed657084
commit a9128e8450
3 changed files with 55 additions and 12 deletions
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14
Dockerfile Normal file
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@ -0,0 +1,14 @@
FROM alpine:3
ENV RESTIC_PASSWORD_FILE=
ENV RESTIC_REPOSITORY=
ENV AWS_ACCESS_KEY_ID=
ENV AWS_SECRET_ACCESS_KEY=
RUN apk add --update --no-cache docker-cli bash jq restic
RUN echo "* * * * * /backup.sh" | crontab -
RUN crontab -l
COPY backup.sh /
ENTRYPOINT ["crond", "-f", "-L", "/dev/stdout"]

33
backup.sh
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@ -1,15 +1,20 @@
#!/bin/bash #!/bin/bash
# FIXME: just for testing ### FIXME: just for testing
backup_path=backups echo $RESTIC_PASSWORD_FILE
echo $RESTIC_REPOSITORY
echo $AWS_ACCESS_KEY_ID
echo $AWS_SECRET_ACCESS_KEY
# FIXME: just for testing export DOCKER_CONTEXT=default
export DOCKER_CONTEXT=demo.coopcloud.tech
mkdir /tmp/backups
backup_path=/tmp/backups
mapfile -t services < <(docker service ls --format '{{ .Name }}') mapfile -t services < <(docker service ls --format '{{ .Name }}')
# FIXME: just for testing # FIXME: just for testing
services=( "ghost_demo_app" "ghost_demo_db" ) services=("cloud_local_db")
for service in "${services[@]}"; do for service in "${services[@]}"; do
echo "service: $service" echo "service: $service"
@ -18,17 +23,17 @@ for service in "${services[@]}"; do
pre=$(echo "$details" | jq -r '.["backupbot.backup.pre-hook"]') pre=$(echo "$details" | jq -r '.["backupbot.backup.pre-hook"]')
post=$(echo "$details" | jq -r '.["backupbot.backup.post-hook"]') post=$(echo "$details" | jq -r '.["backupbot.backup.post-hook"]')
path=$(echo "$details" | jq -r '.["backupbot.backup.path"]') path=$(echo "$details" | jq -r '.["backupbot.backup.path"]')
if [ "$path" = "null" ]; then if [ "$path" = "null" ]; then
echo "ERROR: missing 'path' for $service" echo "ERROR: missing 'path' for $service"
continue # or maybe exit? continue # or maybe exit?
fi fi
container=$(docker container ls -f "name=$service" --format '{{ .ID }}') container=$(docker container ls -f "name=$service" --format '{{ .ID }}')
echo "backing up $service" echo "backing up $service"
test -d "$backup_path/$service" || mkdir "$backup_path/$service" test -d "$backup_path/$service" || mkdir "$backup_path/$service"
if [ "$pre" != "null" ]; then if [ "$pre" != "null" ]; then
# run the precommand # run the precommand
# shellcheck disable=SC2086 # shellcheck disable=SC2086
@ -36,7 +41,7 @@ for service in "${services[@]}"; do
fi fi
# run the backup # run the backup
docker cp "$container:$path" "$backup_path/$service" docker cp -a "$container:$path" "$backup_path/$service"
if [ "$post" != "null" ]; then if [ "$post" != "null" ]; then
# run the postcommand # run the postcommand
@ -44,7 +49,11 @@ for service in "${services[@]}"; do
docker exec "$container" $post docker exec "$container" $post
fi fi
fi fi
restic -p restic-password \
backup --quiet -r sftp:u272979@u272979.your-storagebox.de:/demo.coopcloud.tech \ # Check if restic repo exists
--tag coop-cloud "$backup_path" if [ -z "$(restic cat config)" ] 2>/dev/null; then
echo "initializing restic repo"
restic init "$backup_path"
fi
restic backup --tag coop-cloud "$backup_path" # --quiet
done done

20
docker-compose.yml Normal file
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version: "3.8"
services:
app:
build: .
environment:
RESTIC_PASSWORD_FILE: "/run/secrets/restic_password"
RESTIC_REPOSITORY: "s3:http://172.20.0.2:9000/backup" # https://restic.readthedocs.io/en/stable/030_preparing_a_new_repo.html
AWS_ACCESS_KEY_ID: "root"
AWS_SECRET_ACCESS_KEY: "foobar"
secrets:
- restic_password
volumes:
- /var/run/docker.sock:/var/run/docker.sock
secrets:
restic_password:
#external: true
#name: restic_password
file: restic_password