Compare commits

1 Commits

Author SHA1 Message Date
ea97a26d5c fixed cron
All checks were successful
Build Website / Build Dockerfile (push) Successful in 38s
2026-03-04 12:20:34 -05:00
5 changed files with 48 additions and 118 deletions

View File

@@ -1,32 +1,36 @@
name: Build and publish
run-name: Build and publish
name: Build Website
run-name: Build Website
on:
push:
jobs:
container:
name: Build Container
docker:
name: Build Dockerfile
runs-on: ubuntu-latest
container: docker
container: docker:dind
steps:
- name: Build Container
- name: Clone Repository
uses: ztimson/actions/clone@develop
- name: Install Node
run: apk add nodejs npm
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v3
- name: Set up QEMU
uses: docker/setup-qemu-action@v3
- name: Publish Latest Tag
run: |
git clone -b "${{github.ref_name}}" "$(echo ${{github.server_url}}/${{github.repository}}.git | sed s%://%://${{github.token}}@% )" .
DOCKER_HUB=$([ -n "${{secrets.DOCKER_HUB_USER}}" ] && [ -n "${{secrets.DOCKER_HUB_TOKEN}}" ] && [ -n "${{secrets.DOCKER_HUB_IMAGE}}" ] && echo "true" || echo "false")
REGISTRY="$(echo "${{github.server_url}}" | sed -E 's|https?://||')"
docker login -u "${{github.repository_owner}}" -p "${{secrets.DEPLOY_TOKEN}}" "$REGISTRY"
if [ "$DOCKER_HUB" = "true" ]; then docker login -u "${{secrets.DOCKER_HUB_USER}}" -p "${{secrets.DOCKER_HUB_TOKEN}}" docker.io; fi
docker build -t "$REGISTRY/${{github.repository}}:${{github.ref_name}}" .
docker push "$REGISTRY/${{github.repository}}:${{github.ref_name}}"
if [ "${{github.ref_name}}" = "master" ]; then
docker tag "$REGISTRY/${{github.repository}}:${{github.ref_name}}" "$REGISTRY/${{github.repository}}:latest"
docker push "$REGISTRY/${{github.repository}}:latest"
if [ "$DOCKER_HUB" = "true" ]; then
docker tag "$REGISTRY/${{github.repository}}:${{github.ref_name}}" "docker.io/${{secrets.DOCKER_HUB_IMAGE}}:latest"
docker push "docker.io/${{secrets.DOCKER_HUB_IMAGE}}:latest"
fi
REGISTRY=$(echo ${{github.server_url}} | sed s%http://%% | sed s%https://%%)
docker login -u "${{github.repository_owner}}" -p "${{secrets.DEPLOY_TOKEN}}" "$REGISTRY"
docker login -u "${{secrets.DOCKER_HUB_USER}}" -p "${{secrets.DOCKER_HUB_TOKEN}}" docker.io
docker buildx build --platform linux/amd64,linux/arm64 \
-t "$REGISTRY/${{github.repository}}:latest" \
-t "docker.io/ztimson/kiwixm:latest" \
--push .
fi

View File

@@ -41,28 +41,22 @@ MongoDB + Backups & Retention
## About
Custom MongoDB Docker image extending `mongo:latest` with automated backups, retention management, and replica set configuration.
Custom MongoDB Docker image extending `mongo:latest` with automated backup functionality.
Includes cron-based scheduled `mongodump` operations with compression, automatic stale lock recovery on unclean shutdowns, and zero-config replica set initialization — while preserving all native MongoDB functionality.
Installs cron to run scheduled mongodump operations with compression and retention management, while preserving all native MongoDB server functionality.
**Manually trigger a backup:**
docker exec -t mongodb backup
Backups can be manually triggered with: `docker --exec -t mongodb backup`
**Restore a backup:**
Decompress the archive and use the official `mongorestore` tool.
To restore a backup, uncompress it and use the official `mongorestore`
### Environment Variables
| Variable | Description | Default | Example |
|------------------------------|----------------------------------------------------------------------|--------------------------|-----------------------|
| `BACKUP_CRON` | Cron schedule expression | | `0 */6 * * *` |
| `BACKUP_DIR` | Directory to store backups | `/data/backups` | `/backups` |
| `BACKUP_DB` | Database to backup | `$MONGO_INITDB_DATABASE` | `admin` |
| `BACKUP_RETENTION` | Number of backups to keep, defaults to unlimited | | `7` |
| `MONGO_INITDB_DATABASE` | Default database name | | `momentum` |
| `MONGO_INITDB_ROOT_USERNAME` | Root username for mongodump auth | | `root` |
| `MONGO_INITDB_ROOT_PASSWORD` | Root password for mongodump auth | | `secret` |
| `REPLICA` | Comma-separated list of replica hostnames to init/join a replica set | | `db1:27017,db2:27017` |
|-------------------------|----------------------------|---------------|---------------|
| `MONGO_INITDB_DATABASE` | Database name to backup | - | `myapp` |
| `BACKUP_CRON` | Cron schedule expression | - | `0 */6 * * *` |
| `BACKUP_DIR` | Directory to store backups | /data/backups | `/backups` |
| `BACKUP_RETENTION` | Number of backups to keep | - | `7` |
### Built With

View File

@@ -1,16 +1,17 @@
#!/bin/bash
TIMESTAMP=$(date +%Y-%m-%d_%H-%M-%S)
if [[ -z "$BACKUP_DB" ]]; then BACKUP_DB="$MONGO_INITDB_DATABASE"; fi
BACKUP_FILE="${BACKUP_DB}_${TIMESTAMP}.dump.tar.gz"
BACKUP_FILE="${MONGO_INITDB_DATABASE}_${TIMESTAMP}.dump.tar.gz"
TEMP_DUMP="/tmp/mongo_dump_${TIMESTAMP}"
# Create & zip backup
mkdir -p "$BACKUP_DIR"
mongodump --host localhost --db "$BACKUP_DB" -u "$MONGO_INITDB_ROOT_USERNAME" -p "$MONGO_INITDB_ROOT_PASSWORD" --out "$TEMP_DUMP"
mongodump --host localhost --db "$MONGO_INITDB_DATABASE" -u "$MONGO_INITDB_ROOT_USERNAME" -p "$MONGO_INITDB_ROOT_PASSWORD" --out "$TEMP_DUMP"
tar -czf "${BACKUP_DIR}/${BACKUP_FILE}" -C "$TEMP_DUMP" .
rm -rf "$TEMP_DUMP"
# Remove old backups
if [[ -n "$BACKUP_RETENTION" ]]; then
cd "$BACKUP_DIR"
ls -1t ${BACKUP_DB}_*.dump.tar.gz | tail -n +$((BACKUP_RETENTION + 1)) | xargs -r rm -f
ls -1t ${MONGO_INITDB_DATABASE}_*.dump.tar.gz 2>/dev/null | tail -n +$((BACKUP_RETENTION + 1)) | xargs -r rm -f
fi

View File

@@ -1,20 +0,0 @@
services:
db1:
build: .
environment:
MONGO_INITDB_DATABASE: momentum
MONGO_INITDB_ROOT_USERNAME: root
MONGO_INITDB_ROOT_PASSWORD: secret
BACKUP_CRON: "0 2 * * *"
BACKUP_RETENTION: "7"
BACKUP_DIR: /data/backups
REPLICA: db1:27017,db2:27017 # CSV, Must match hostname
volumes:
- data1:/data/db
- backups:/data/backups
db2:
build: .
environment:
REPLICA: db1:27017,db2:27017 # CSV, Must match hostname
volumes:
- data2:/data/db

View File

@@ -1,62 +1,13 @@
#!/bin/bash
# Setup cron job if BACKUP_CRON is set
if [ -n "$BACKUP_CRON" ]; then
env >> /etc/environment
echo "$BACKUP_CRON root . /etc/environment; /usr/local/bin/backup >> /var/log/mongo-backup.log 2>&1" > /etc/cron.d/mongo-backup
echo "$BACKUP_CRON /usr/local/bin/backup >> /var/log/mongo-backup.log 2>&1" > /etc/cron.d/mongo-backup
echo "" >> /etc/cron.d/mongo-backup
chmod 0644 /etc/cron.d/mongo-backup
cron
crontab /etc/cron.d/mongo-backup
cron &
fi
# Clean locks & repair only if lock files exist (unclean shutdown)
if [ -f /data/db/mongod.lock ] || [ -f /data/db/WiredTiger.lock ] || [ -f /data/db/.lock ]; then
echo "Stale locks detected, running repair..."
rm -f /data/db/mongod.lock /data/db/.lock /data/db/WiredTiger.lock
mongod --repair
echo "Repair complete, starting normally..."
fi
if [ -n "$REPLICA" ]; then
# Start mongo temporarily in background with replSet enabled
mongod --replSet rs0 --bind_ip_all &
MONGO_PID=$!
# Wait for mongo to be ready
echo "Waiting for MongoDB to be ready..."
until mongosh --quiet --eval "db.runCommand({ ping: 1 })" &>/dev/null; do
sleep 1
done
# Build members array from REPLICA CSV
MEMBERS=""
INDEX=0
IFS=',' read -ra HOSTS <<< "$REPLICA"
for HOST in "${HOSTS[@]}"; do
[ $INDEX -gt 0 ] && MEMBERS+=","
MEMBERS+="{ _id: $INDEX, host: '$HOST' }"
INDEX=$((INDEX + 1))
done
# Init or reconfig replica set
mongosh --quiet --eval "
try {
const config = rs.conf();
config.members = [$MEMBERS];
rs.reconfig(config, { force: true });
print('Replica set reconfigured');
} catch(e) {
rs.initiate({ _id: 'rs0', members: [$MEMBERS] });
print('Replica set initiated');
}
"
# Stop the temporary mongod
kill $MONGO_PID
wait $MONGO_PID 2>/dev/null
fi
if [ -n "$REPLICA" ]; then
set -- mongod --replSet rs0 --bind_ip_all
fi
# Hand off to normal mongo entrypoint
# Execute original mongo entrypoint
exec /usr/local/bin/docker-entrypoint.sh "$@"