calahil/backupbot
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need to add my job to the s6 service manager
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Chris Cowan
2025-10-20 01:39:55 -07:00
parent 3c8be1e363
commit 99c39e91bb
5 changed files with 30 additions and 36 deletions
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18
Dockerfile
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@@ -7,6 +7,8 @@ RUN apt-get update -y \
&& apt-get install -y --no-install-recommends \ && apt-get install -y --no-install-recommends \
ca-certificates \ ca-certificates \
curl \ curl \
gnupg \
lsb-release \
#&& rm -rf /var/lib/apt/lists/* \ #&& rm -rf /var/lib/apt/lists/* \
&& install -m 0755 -d /etc/apt/keyrings \ && install -m 0755 -d /etc/apt/keyrings \
&& curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc \ && curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc \
@@ -26,16 +28,8 @@ RUN apt-get update -y \
# Copy backup script # Copy backup script
COPY backup.sh /usr/local/bin/backup.sh COPY backup.sh /usr/local/bin/backup.sh
RUN chmod +x /usr/local/bin/backup.sh RUN chmod +x /usr/local/bin/backup.sh \
&& mkdir -p /etc/services.d/backupbot
COPY backup.cron /etc/cron.d/backup COPY services/backupbot/run /etc/services.d/backupbot/run
RUN chmod 0644 /etc/cron.d/backup \ RUN chmod +x /etc/services.d/backupbot/run
&& crontab /etc/cron.d/backup
COPY startup.sh /usr/local/bin/startup.sh
RUN chmod +x /usr/local/bin/startup.sh
# Use bash as default
ENTRYPOINT ["/usr/local/bin/startup.sh"]

3
backup.cron
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@@ -1,3 +0,0 @@
# Run backup.sh once every 24 hours at 3:00 AM
0 3 * * * /usr/local/bin/backup.sh >> /var/log/backup.log 2>&1

20
backup.sh
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@@ -1,4 +1,4 @@
#!/bin/sh #!/usr/bin/env bash
# === Postgres Auto Backup Script === # === Postgres Auto Backup Script ===
# Description: Detects Postgres containers by known image names and runs pg_dumpall. # Description: Detects Postgres containers by known image names and runs pg_dumpall.
# Author: Calahil Studios # Author: Calahil Studios
@@ -18,12 +18,12 @@ ghcr.io/immich-app/postgres:14-vectorchord0.4.3-pgvectors0.2.0
EOF EOF
) )
echo "[INFO] Starting PostgreSQL backup service..." echo "[BACKUPBOT_INFO] Starting PostgreSQL backup service..."
mkdir -p "$BACKUP_DIR" mkdir -p "$BACKUP_DIR"
TIMESTAMP=$(date +'%Y-%m-%d_%H-%M-%S') TIMESTAMP=$(date +'%Y-%m-%d_%H-%M-%S')
echo "[INFO] $(date) - Starting backup cycle ($TIMESTAMP)" echo "[BACKUPBOT_INFO] $(date) - Starting backup cycle ($TIMESTAMP)"
echo "[INFO] Checking for running Postgres containers..." echo "[BACKUPBOT_INFO] Checking for running Postgres containers..."
# Find running containers matching known image names # Find running containers matching known image names
MATCHING_CONTAINERS=$( MATCHING_CONTAINERS=$(
@@ -40,7 +40,7 @@ MATCHING_CONTAINERS=$(
) )
if [ -z "$MATCHING_CONTAINERS" ]; then if [ -z "$MATCHING_CONTAINERS" ]; then
echo "[WARN] No Postgres containers found." echo "[BACKUPBOT_WARN] No Postgres containers found."
else else
for container in $MATCHING_CONTAINERS; do for container in $MATCHING_CONTAINERS; do
NAME=$(docker inspect --format '{{.Name}}' "$container" | sed 's#^/##') NAME=$(docker inspect --format '{{.Name}}' "$container" | sed 's#^/##')
@@ -49,20 +49,20 @@ else
mkdir -p "$CONTAINER_BACKUP_DIR" mkdir -p "$CONTAINER_BACKUP_DIR"
echo "[INFO] Backing up container: $NAME ($container)" echo "[BACKUPBOT_INFO] Backing up container: $NAME ($container)"
PG_USER=$(docker inspect --format '{{range .Config.Env}}{{println .}}{{end}}' "$container" | grep POSTGRES_USER | cut -d= -f2) PG_USER=$(docker inspect --format '{{range .Config.Env}}{{println .}}{{end}}' "$container" | grep POSTGRES_USER | cut -d= -f2)
PG_PASS=$(docker inspect --format '{{range .Config.Env}}{{println .}}{{end}}' "$container" | grep POSTGRES_PASSWORD | cut -d= -f2) PG_PASS=$(docker inspect --format '{{range .Config.Env}}{{println .}}{{end}}' "$container" | grep POSTGRES_PASSWORD | cut -d= -f2)
if docker exec -e PGPASSWORD="$PG_PASS" "$container" pg_dumpall -U "$PG_USER" -h 127.0.0.1 >"$FILE" 2>/tmp/pg_backup_error.log; then if docker exec -e PGPASSWORD="$PG_PASS" "$container" pg_dumpall -U "$PG_USER" -h 127.0.0.1 >"$FILE" 2>/tmp/pg_backup_error.log; then
echo "[SUCCESS] Backup complete for $NAME -> $FILE" echo "[BACKUPBOT_SUCCESS] Backup complete for $NAME -> $FILE"
else else
echo "[ERROR] Backup failed for $NAME (check /tmp/pg_backup_error.log)" echo "[BACKUPBOT_ERROR] Backup failed for $NAME (check /tmp/pg_backup_error.log)"
fi fi
# Retention cleanup # Retention cleanup
find "$CONTAINER_BACKUP_DIR" -type f -mtime +$RETENTION_DAYS -name '*.sql' -delete find "$CONTAINER_BACKUP_DIR" -type f -mtime +$RETENTION_DAYS -name '*.sql' -delete
done done
fi fi
echo "[INFO] Creating a snapshot of /srv/appdata" echo "[BACKUPBOT_INFO] Creating a snapshot of /srv/appdata"
btrfs subvolume snapshot -r /source/appdata /backups/snapshots/$(hostname)-$(date +%F) btrfs subvolume snapshot -r /source/appdata /backups/snapshots/$(hostname)-$(date +%F)
echo "[INFO] Backup cycle complete." echo "[BACKUPBOT_INFO] Backup cycle complete."

14
services/backupbot/run Normal file
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@@ -0,0 +1,14 @@
#!/usr/bin/env bash
set -e
echo "[BACKUPBOT_INFO] Starting PostgreSQL backup loop service..."
# Optional configurable interval (default 24 hours)
INTERVAL_HOURS="${INTERVAL_HOURS:-24}"
while true; do
echo "[BACKUPBOT_INFO] Triggering backup.sh at $(date)"
/usr/local/bin/backup.sh >>/config/log/backupbot.log 2>&1
echo "[BACKUPBOT_INFO] Sleeping for $INTERVAL_HOURS hours..."
sleep "${INTERVAL_HOURS}h"
done

11
startup.sh
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@@ -1,11 +0,0 @@
#!/bin/bash
set -e
# Start cron in background
service cron start
# Optional: show cron jobs for debug
crontab -l
# Start Duplicati (foreground so container stays alive)
exec /init