Update backup-vultr-snapshot.sh

Author: krabelize

backup-vultr-snapshot.sh

@@ -12,15 +12,17 @@
 #Variables
 #Put your API key here
 api_key="YOUR_API_KEY_HERE"
+#Vultr API
+API="https://api.vultr.com/v1"
 #We keep the total number of snapshots under 11 based on two virtual private servers (VPS)
 snapshot_limit="8"
 
 #Query all VPS SUBIDs
-VPS_names=$(curl -s "https://api.vultr.com/v1/server/list?api_key=$api_key" | jq -r 'keys | '.[]'')
+VPS_names=$(curl -s "$API/server/list?api_key=$api_key" | jq -r 'keys | '.[]'')
 #Query all snapshots and count them
-snapshot_count=$(curl -s "https://api.vultr.com/v1/snapshot/list?api_key=$api_key" | jq -r 'keys | .[]' | wc -l | awk '{ print $1 }')
+snapshot_count=$(curl -s "$API/snapshot/list?api_key=$api_key" | jq -r 'keys | .[]' | wc -l | awk '{ print $1 }')
 #Query oldest snapshot created
-last_snapshot_ID=$(curl -s "https://api.vultr.com/v1/snapshot/list?api_key=$api_key" | jq -r 'keys_unsorted | .[]' | tail -1)
+last_snapshot_ID=$(curl -s "$API/snapshot/list?api_key=$api_key" | jq -r 'keys_unsorted | .[]' | tail -1)
 
 #Delete the oldest snapshots until the $snapshot_limit is reached
 until [ "$snapshot_count" -eq "$snapshot_limit" ]; do
@@ -34,7 +36,7 @@ done
 
 #Creating a snapshot for every existing VPS
 for vps in $VPS_names; do
-    VPS_label=$(curl -s "https://api.vultr.com/v1/server/list?api_key=$api_key&SUBID=$vps" | jq -r '.label')
+    VPS_label=$(curl -s "$API/server/list?api_key=$api_key&SUBID=$vps" | jq -r '.label')
     if curl -s "https://api.vultr.com/v1/snapshot/create?api_key=$api_key" --data SUBID=$vps --data description=$VPS_label | grep -q 'SNAPSHOTID'; then
         logger "[OK - Backup] Creating a snapshot for VPS on Vultr: '$VPS_label' with SUBID: '$vps'"
     else