Add backups section to mongodbent docs.

dynamic-storage.html.md.erb

@@ -55,9 +55,10 @@ To do so, you can use the [S3cmd tool](http://s3tools.org/s3cmd) and run the fol
 ```shell
 $ s3cmd del --recursive s3://bucket-name
 ```
-
 In case you don't have any credentials for your Dynamic Storage instance, you can get them by creating a [service key](../devguide/services/service-keys.html).
 
+Feel free to use our [bash helper script](https://github.com/swisscom/docs-appcloud-service-offerings/blob/master/scripts/s3cleanup.sh) to remove large numbers of s3 instances/buckets/files.
+
 ## <a id='endpoints'></a> ECS endpoints / access points
 
 | Trust Level               | URL                                              | Usecase

mongodbent.html.md.erb

@@ -116,3 +116,6 @@ On the MongoDB Ops Manager you will receive the role `Monitoring Admin`.
 - Consider a query timeout
 
   MongoDB targets operations for termination if the associated cursor exceeds its allotted time limit. See [cursor.maxTimeMS()](https://docs.mongodb.com/manual/reference/method/cursor.maxTimeMS/) for more details.
+
+## <a id='backups'></a> Backups
+You can use following app to create and restore backups in a scheduled way: backman - the appcloud backup manager. Any MongoDB service instance bound to this app will be automatically backed up, can be downloaded and also restored on-demand.

scripts/s3cleanup.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+set -eu
+
+# check input params, s3cmd config, installed dependencies
+if [ -z "$*" ]; then echo "Usage: s3cleanup.sh ORG SPACE SERVICE_NAME"; exit 1; fi
+if [ -f $HOME/.s3cfg ]; then echo "s3cmd config $HOME/.s3cfg already exists, please rename temporarily. Aborting."; exit 1; fi
+command -v cf >/dev/null 2>&1 || { echo >&2 "cf cli not installed. Aborting."; exit 1; }
+command -v s3cmd >/dev/null 2>&1 || { echo >&2 "s3cmd not installed. Aborting."; exit 1; }
+command -v jq >/dev/null 2>&1 || { echo >&2 "jq not installed. Aborting."; exit 1; }
+
+#read input params
+org=$1
+space=$2
+service=$3
+
+#change to org/space and create temporary service key
+cf t -o $org -s $space
+cf csk $service tempkey
+
+#parse s3cmd config from service key
+service_key=`cf service-key $service tempkey|tail -n 8`
+access_key=`echo $service_key|jq -r .accessKey`
+host_base=`echo $service_key|jq -r .namespaceHost|cut -d "." -f 2-4`
+host_bucket=`echo $service_key|jq -r .namespaceHost`
+secret_key=`echo $service_key|jq -r .sharedSecret`
+
+#heredoc to create s3cmd config in the users homedir
+echo "Creating $HOME/.s3cfg" && cat << EOF > $HOME/.s3cfg
+[default]
+access_key = $access_key
+host_base = $host_base
+host_bucket = $host_bucket
+secret_key = $secret_key
+EOF
+
+#delete all buckets
+echo "Trying to delete all files/buckets on $service."
+s3cmd ls|awk '{print $3}' | while read bucket; do #loop through buckets
+  s3cmd del --recursive $bucket --force #delete bucket content
+  s3cmd rb $bucket #remove actual bucket
+done
+rm $HOME/.s3cfg
+echo "Finished deleting files/buckets on $service."
+
+echo "Removing temporary service key."
+cf delete-service-key $service tempkey -f
+
+echo "You can now try to delete your s3 instance. This will only work if no remaining service keys/service shares exist."
+echo "Command: cf delete-service $service"