Vultr Snapshot By API

vultr_auto_snapshot.tmpl

#!/bin/sh -eu

Key='YourAPIKEY'
SnapshotLimit=7
SnapshotCount=$(curl -s -H "API-Key: $Key" https://api.vultr.com/v1/snapshot/list | grep -o SNAPSHOTID | wc -l)
Fields=$(curl -s -H "API-Key: $Key" https://api.vultr.com/v1/snapshot/list | grep -o '"' | wc -l)
LastSnapshotField=$((Fields - 24))
LastSnapshotID=$(curl -s -H "API-Key: $Key" https://api.vultr.com/v1/snapshot/list | grep '"' | cut -d '"' -f $LastSnapshotField)

if [ "$SnapshotCount" -eq "$SnapshotLimit" ]
  then
    curl -H "API-Key: $Key" https://api.vultr.com/v1/snapshot/destroy --data "SNAPSHOTID=$LastSnapshotID" || exit 1;
fi

curl -H "API-Key: $Key" https://api.vultr.com/v1/snapshot/create --data 'SUBID=YourSUBID';