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June 9, 2025 05:56
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Save fredrike/bbc32e0e51ace094f8b16c0c73fdfc46 to your computer and use it in GitHub Desktop.
Script to make backups inspired from https://nerdyarticles.com/backup-strategy-with-restic-and-healthchecks-io/
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| #!/bin/bash | |
| # Define variables | |
| RESTIC_PASSWD="/home/<USERNAME>/.restic_password" | |
| BACKUP_SOURCE="/<LOCATION_TO_BACKUP>" | |
| BACKUP_REPO="<PATH_TO_STORE_BACKUP>/<BACKUP_NAME>" | |
| WEBHOOK_URL="https://hc-ping.com/<uuid>" | |
| KEEP_OPTIONS="--keep-hourly 2 --keep-daily 6 --keep-weekly 3 --keep-monthly 1" | |
| RUN_UUID=$(cat /proc/sys/kernel/random/uuid) | |
| # Sending start ping to measure runtime | |
| curl -fsS -m 10 --retry 5 "$WEBHOOK_URL/start?rid=$RUN_UUID" | |
| # Function to run a command and capture its output to a temp file | |
| run_command() { | |
| local CMD="$1" # Takes the first argument as the command to be executed | |
| TMP_FILE=$(mktemp) | |
| echo "Running: $CMD" >> "$TMP_FILE" # Logs the command being executed to $TMP_FILE | |
| $CMD >> "$TMP_FILE" 2>&1 # Executes the command and redirects both stdout and stderr to $TMP_FILE | |
| STATUS = $? # Checks the exit status of the last command | |
| OUTPUT=$(cat "$TMP_FILE") | |
| # Log output to Heathchecks | |
| curl -fsS -m 10 --retry 5 --data-raw "$OUTPUT" "$WEBHOOK_URL/log?rid=$RUN_UUID" | |
| rm "$TMP_FILE" | |
| if [ $STATUS -ne 0 ]; then | |
| # Sends ping to Heathchecks with the failure code | |
| # Deletes the TMP_FILE | |
| # Exits the bash script | |
| curl -m 10 --retry 5 "$WEBHOOK_URL/$STATUS?rid=$RUN_UUID" | |
| exit $STATUS | |
| fi | |
| } | |
| # Perform Restic unlock and capture output | |
| run_command "restic -p $RESTIC_PASSWD -r $BACKUP_REPO unlock" | |
| # Perform Restic backup | |
| run_command "restic -p $RESTIC_PASSWD -r $BACKUP_REPO backup $BACKUP_SOURCE" | |
| # Perform Restic forget | |
| run_command "restic -p $RESTIC_PASSWD -r $BACKUP_REPO forget $KEEP_OPTIONS --prune --cleanup-cache" | |
| # Send success | |
| curl -fsS -m 10 --retry 5 -o /dev/null "$WEBHOOK_URL?rid=$RUN_UUID" |
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