55 lines
2.5 KiB
Bash
55 lines
2.5 KiB
Bash
#!/bin/bash
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CONTAINER_NAME="$1"
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BACKUP_DIR="$2"
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VOLUME_NAME="$3"
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if [ -z "$BACKUP_DIR" ]; then
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echo "Usage: $0 <container_name> <backup_directory> <volume_name>"
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exit 1
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fi
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if [ ! -d "$BACKUP_DIR" ]; then
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echo "Directory $BACKUP_DIR does not exist"
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exit 1
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fi
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#docker stop "$CONTAINER_NAME"
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#docker commit "$CONTAINER_NAME" "${CONTAINER_NAME}_backup"
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#docker save -o "$BACKUP_DIR/${CONTAINER_NAME}_backup.tar" "${CONTAINER_NAME}_backup"
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#docker start "$CONTAINER_NAME"
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#docker image rm -f "${CONTAINER_NAME}_backup"
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# Backup volume
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if [ "$VOLUME_NAME" ]; then
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echo "Backup up volume $VOLUME_NAME"
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docker run --rm -v "$VOLUME_NAME":/data -v "$BACKUP_DIR":/backup busybox tar czf /backup/"$VOLUME_NAME".tar.gz -C /data .
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fi
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# Extract image name
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# IMAGE=$(docker inspect --format '{{.Config.Image}}' "$CONTAINER_NAME")
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IMAGE="${CONTAINER_NAME}_backup"
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# Extract ports
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PORTS=$(docker inspect --format '{{json .HostConfig.PortBindings}}' "$CONTAINER_NAME" | jq -r 'to_entries | map("-p \(.value[0].HostPort):\(.key | sub("/tcp|/udp"; ""))") | join(" ")')
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# Extract volumes
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VOLUMES=$(docker inspect --format '{{json .Mounts}}' "$CONTAINER_NAME" | jq -r '.[] | select(.Type == "bind" or .Type == "volume") | "-v " + .Source + ":" + .Destination' | xargs)
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# Extract environment variables
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ENV_VARS=$(docker inspect --format '{{json .Config.Env}}' "$CONTAINER_NAME" | jq -r 'map("-e " + .) | join(" ")')
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# Extract network mode
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NETWORK_MODE=$(docker inspect --format '{{.HostConfig.NetworkMode}}' "$CONTAINER_NAME")
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[ "$NETWORK_MODE" != "default" ] && NETWORK="--network=$NETWORK_MODE" || NETWORK=""
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# Extract restart policy
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RESTART_POLICY=$(docker inspect --format '{{.HostConfig.RestartPolicy.Name}}' "$CONTAINER_NAME")
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[ "$RESTART_POLICY" != "no" ] && RESTART="--restart=$RESTART_POLICY" || RESTART=""
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# Extract privileged mode
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PRIVILEGED=$(docker inspect --format '{{.HostConfig.Privileged}}' "$CONTAINER_NAME")
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[ "$PRIVILEGED" == "true" ] && PRIV="--privileged" || PRIV=""
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# Extract entrypoint (if set)
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ENTRYPOINT=$(docker inspect --format '{{json .Config.Entrypoint}}' "$CONTAINER_NAME" | jq -r 'if . != null then "--entrypoint \"" + join(" ") + "\"" else "" end')
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# Extract command (CMD)
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CMD=$(docker inspect --format '{{json .Config.Cmd}}' "$CONTAINER_NAME" | jq -r 'if . != null then join(" ") else "" end')
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# Construct final `docker run` command
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RUN_COMMAND="docker run -d --name $CONTAINER_NAME $PORTS $VOLUMES $ENV_VARS $NETWORK $RESTART $PRIV $ENTRYPOINT $IMAGE $CMD"
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# echo "$RUN_COMMAND"
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echo "$RUN_COMMAND" > "$BACKUP_DIR/${CONTAINER_NAME}_deploy.sh"
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