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Merge pull request 'backup multiple paths' (#5) from multi_path into main

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Reviewed-on: coop-cloud/backup-bot-two#5
This commit is contained in:
3wordchant
2021-12-14 14:44:05 +00:00
parent f7cbbf04c0 d6faffcbbd
commit 940b6bde1a
2 changed files with 17 additions and 10 deletions
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4
README.md
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@ -52,11 +52,11 @@ services:
backupbot.backup: "true" backupbot.backup: "true"
backupbot.backup.pre-hook: 'mysqldump -u root -p"$(cat /run/secrets/db_root_password)" -f /tmp/dump/dump.db' backupbot.backup.pre-hook: 'mysqldump -u root -p"$(cat /run/secrets/db_root_password)" -f /tmp/dump/dump.db'
backupbot.backup.post-hook: "rm -rf /tmp/dump/dump.db" backupbot.backup.post-hook: "rm -rf /tmp/dump/dump.db"
backupbot.backup.path: "/tmp/dump/" backupbot.backup.path: "/tmp/dump/,/etc/foo/"
``` ```
- `backupbot.backup` -- set to `true` to back up this service (REQUIRED) - `backupbot.backup` -- set to `true` to back up this service (REQUIRED)
- `backupbot.backup.path` -- file path within the service to copy (REQUIRED) - `backupbot.backup.path` -- comma separated list of file paths within the service to copy (REQUIRED)
- `backupbot.backup.pre-hook` -- command to run before copying files (optional) - `backupbot.backup.pre-hook` -- command to run before copying files (optional)
- `backupbot.backup.post-hook` -- command to run after copying files (optional) - `backupbot.backup.post-hook` -- command to run after copying files (optional)

17
backup.sh
View File

@ -21,7 +21,7 @@ if [ -n "$ssh_key_file" ] && [ -f "$ssh_key_file" ]; then
# Only check server against provided SSH_HOST_KEY, if set # Only check server against provided SSH_HOST_KEY, if set
if [ -n "$SSH_HOST_KEY" ]; then if [ -n "$SSH_HOST_KEY" ]; then
tmpfile=$(mktemp) tmpfile=$(mktemp)
echo "$SSH_HOST_KEY" >> "$tmpfile" echo "$SSH_HOST_KEY" >>"$tmpfile"
echo "using host key $SSH_HOST_KEY" echo "using host key $SSH_HOST_KEY"
ssh_options="-o 'UserKnownHostsFile $tmpfile'" ssh_options="-o 'UserKnownHostsFile $tmpfile'"
elif [ "$SSH_HOST_KEY_DISABLE" = "1" ]; then elif [ "$SSH_HOST_KEY_DISABLE" = "1" ]; then
@ -72,6 +72,8 @@ else
fi fi
if [[ \ $*\ != *\ --skip-backup\ * ]]; then if [[ \ $*\ != *\ --skip-backup\ * ]]; then
rm -rf "${backup_path}"
for service in "${services[@]}"; do for service in "${services[@]}"; do
echo "service: $service" echo "service: $service"
details=$(docker service inspect "$service" --format "{{ json .Spec.Labels }}") details=$(docker service inspect "$service" --format "{{ json .Spec.Labels }}")
@ -82,13 +84,12 @@ if [[ \ $*\ != *\ --skip-backup\ * ]]; then
if [ "$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/$service"
if [ "$pre" != "null" ]; then if [ "$pre" != "null" ]; then
# run the precommand # run the precommand
@ -97,7 +98,12 @@ if [[ \ $*\ != *\ --skip-backup\ * ]]; then
fi fi
# run the backup # run the backup
docker cp "$container:$path" "$backup_path/$service" for p in ${path//,/ }; do
# creates the parent folder, so `docker cp` has reliable behaviour no matter if $p ends with `/` or `/.`
dir=$backup_path/$service/$(dirname "$p")
test -d "$dir" || mkdir -p "$dir"
docker cp -a "$container:$p" "$dir/$(basename "$p")"
done
if [ "$post" != "null" ]; then if [ "$post" != "null" ]; then
# run the postcommand # run the postcommand
@ -115,5 +121,6 @@ if [[ \ $*\ != *\ --skip-backup\ * ]]; then
fi fi
if [[ \ $*\ != *\ --skip-upload\ * ]]; then if [[ \ $*\ != *\ --skip-upload\ * ]]; then
_restic backup --tag coop-cloud "$backup_path" _restic backup --host "$server_name" --tag coop-cloud "$backup_path"
fi fi