Wrapper script for persistent docker setup

Author: timvaillancourt

scripts/docker-persistent.sh

@@ -0,0 +1,43 @@
+#!/bin/sh
+#
+# Script for running mongodb_consistent_backup under Docker
+# with persistent data container for data, config and logs.
+
+ACTION=$1
+[ -z $1 ] && echo "Usage: $0 [backup|list|get] [action flags]" && exit 1
+
+BACKUP_DIR=/mongodb_consistent_backup
+BACKUP_CNF=$BACKUP_DIR/mongodb-consistent-backup.conf
+BACKUP_IMAGE=mongodb_consistent_backup
+BACKUP_DATA_IMAGE=mongodb_consistent_backup-data
+MCB_FLAGS="--config $BACKUP_CNF"
+DOCKER_IMAGE=timvaillancourt/mongodb_consistent_backup:latest
+
+if [ "$ACTION" = "backup" ]; then
+  CNF=$2
+  [ -z $2 ]  && echo "Usage: $0 backup [mongodb-consistent-backup config file]" && exit 1
+
+  docker ps -a | grep -q "$BACKUP_DATA_IMAGE"
+  if [ $? -gt 0 ]; then
+    echo "# Creating persistent volume for Docker image: $DOCKER_IMAGE"
+    docker create -v $BACKUP_DIR --name $BACKUP_DATA_IMAGE $DOCKER_IMAGE
+  fi
+  
+  if [ -f $CNF ]; then
+      echo "# Loading config file $CNF into container"
+      docker cp $CNF ${BACKUP_DATA_IMAGE}:${BACKUP_CNF}
+  
+      echo "# Running Docker image: $DOCKER_IMAGE"
+      docker run -i --name $BACKUP_IMAGE --rm --volumes-from $BACKUP_DATA_IMAGE $DOCKER_IMAGE $MCB_FLAGS
+  else
+      echo "# Config file $CNF does not exist!"
+      exit 1
+  fi
+elif [ "$ACTION" = "list" ]; then
+  echo "# Listing backups in $BACKUP_DATA_IMAGE"
+  docker run -it --rm --volumes-from $BACKUP_DATA_IMAGE --entrypoint /bin/find $DOCKER_IMAGE $BACKUP_DIR/data -maxdepth 2 -name "[0-9]*_*"
+elif [ "$ACTION" = "get" ]; then
+  DIR=$2
+  [ -z $DIR ] && echo "Usage: $0 get [backup path]" && exit 1
+  docker cp $BACKUP_DATA_IMAGE:$DIR .
+fi