Memset Automatic Snapshot with retention

snapshot.conf

logfile=/var/log/memset-snapshot
apikey="**APIKEY**"
server="testyaa1"
memstore="mstestyaa1"
snap_type="tar"
retention=2

snapshot.sh

#!/bin/bash

#tnw
mydir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
cd $mydir
if [ -f /opt/scripts/snapshot.conf ];
then
    . /opt/scripts/snapshot.conf
else
    echo "Config is missing - Please check this."
    echo "Creating dummy config in snapshot.conf"
    echo 'logfile=/var/log/memset-snapshot
apikey=""
server=""
memstore=""
snap_type="tar"
retention='>snapshot.conf
exit 1
fi
cleanup_only=False
if [ "$1" == "cleanup" ] ; then
  cleanup_only=True
fi
#initial log entry
echo "$(date +"%Y-%m-%d %T") Snapshot Script Started" >> $logfile
list_test=$(curl -s --user $apikey:x https://api.memset.com/v1/json/server.snapshot_list/?storage_name=$memstore)
if [[ $list_test == *"error_type"* ]]
then
    error=$(echo $list_test | jq -r '.error')
    error_code=$(echo $list_test | jq -r '.error_code')
    echo "$(date +"%Y-%m-%d %T") ERROR: ($error_code) $error." >> $logfile
    echo "$(date +"%Y-%m-%d %T") Snapshot script Finished" >> $logfile
    exit 1
fi
#check if this server is the right one (disabled on this server due to funny hostname)
if [[ $(hostname -s) == $server ]] ; then
        echo "$(date +"%Y-%m-%d %T") Config file matches this server. Continuing." >> $logfile
else
        echo "$(date +"%Y-%m-%d %T") Config mismatch. Terminating early" >> $logfile
    exit 1
fi

if [ "$cleanup_only" != True ]; then
	#create a new one and get job ID
	snapresult=$(curl -s --user $apikey:x https://api.memset.com/v1/json/server.snapshot/$server/?storage_name=$memstore\&image_type=$snap_type)

	snapjobid=$(echo $snapresult | jq -r '.id')

	#log job id
	echo "$(date +"%Y-%m-%d %T") Snapshot started with job ID: $snapjobid" >> $logfile

	#progress loop
	delay=5
	snapfinished=false

	while [ "$snapfinished" == "false" ]
	do
	    snapstate=$(curl -s --user $apikey:x https://api.memset.com/v1/json/job.status?id=$snapjobid)
	    snapfinished=$(echo $snapstate | jq -r '.finished')
	    snaperror=$(echo $snapstate | jq -r '.error')
	        if [ "$snaperror" == "true" ]
	        then
	        echo "$(date +"%Y-%m-%d %T") Snapshot job failed, due to an error. Exiting" >> $logfile
	        exit 1
	        fi
	    if [ "$snapfinished" == "false" ]
	    then
	        sleep $delay
	    else
	        break
	    fi
	done
	echo "$(date +"%Y-%m-%d %T") Snapshot Completed" >> $logfile
fi
snapshots=$(curl -s --user $apikey:x https://api.memset.com/v1/json/server.snapshot_list/?storage_name=$memstore | grep snapshot_path | grep $server | awk '{print $2}' | sed 's/,//' | sed 's/\"//g')
no_snaps=$(echo "$snapshots" | wc -l)
#find snapshot to delete
while [ $no_snaps -gt $retention ]
do
    todel=$(echo "$snapshots" | head -n1)
    echo "$(date +"%Y-%m-%d %T") $no_snaps snapshots currently exist" >> $logfile
    echo "$(date +"%Y-%m-%d %T") Old snapshot to be deleted: $todel" >> $logfile

    #delete it
    delresult=$(curl -s --user $apikey:x https://api.memset.com/v1/json/server.snapshot_delete/?storage_name=$memstore\&snapshot_path="$todel")
    deljobid=$(echo $delresult | jq -r '.id')
    echo "$(date +"%Y-%m-%d %T") Old snapshot queued for deletion with job ID: $deljobid" >> $logfile
    delfinished=false
    while [ "$delfinished" == "false" ]
    do
            delstate=$(curl -s --user $apikey:x https://api.memset.com/v1/json/job.status?id=$deljobid)
            delfinished=$(echo $delstate | jq -r '.finished')
            delerror=$(echo $delstate | jq -r '.error')
            if [ "$snaperror" == "true" ]
            then
                    echo "$(date +"%Y-%m-%d %T") Delete job failed, due to an error. Exiting" >> $logfile
                    exit 1
            fi
            if [ "$delfinished" == "false" ]
            then
                    sleep $delay
            else
                    break
            fi
    done
    snapshots=$(curl -s --user $apikey:x https://api.memset.com/v1/json/server.snapshot_list/?storage_name=$memstore | grep snapshot_path | grep $server | awk '{print $2}' | sed 's/,//' | sed 's/\"//g')
    no_snaps=$(echo "$snapshots" | wc -l)
done
echo "$(date +"%Y-%m-%d %T") $no_snaps snapshots currently exist" >> $logfile
echo "$(date +"%Y-%m-%d %T") Snapshot script Finished" >> $logfile