simplify vultr scripts for deleting instances by label

bin/vultr/vultr_delete_instance_with_label.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+#
+# Copyright (c) 2020 Bubble, Inc.  All rights reserved. For personal (non-commercial) use, see license: https://getbubblenow.com/bubble-license/
+#
+LABEL=${1:?no label provided}
+THISDIR=$(cd $(dirname ${0}) && pwd)
+VCURL=${THISDIR}/vcurl
+
+SUBID=$(${THISDIR}/vultr_subid_for_instance.sh ${LABEL})
+if [[ -z "${SUBID}" ]] ; then
+  echo "No instance found with label ${LABEL}"
+  exit 1
+fi
+
+echo "Deleting instance: ${SUBID}"
+${VCURL} server/destroy -X POST -d "SUBID=${SUBID}" || echo "Error deleting instance: ${SUBID}"

bin/vultr/vultr_list_instances.sh

@@ -4,11 +4,10 @@
 #
 THISDIR=$(cd $(dirname ${0}) && pwd)
 VCURL=${THISDIR}/vcurl
+LABEL=${1}
 
-VULTR_OUTPUT=${1}
-
-if [[ -z "${VULTR_OUTPUT}" ]] ; then
+if [[ -z "${LABEL}" ]] ; then
   ${VCURL} server/list | jq .
 else
-  ${VCURL} server/list | jq -r .[].${VULTR_OUTPUT}
+  ${VCURL} server/list?label=${LABEL} | jq .
 fi

bin/vultr/vultr_subid_for_instance.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+#
+# Copyright (c) 2020 Bubble, Inc.  All rights reserved. For personal (non-commercial) use, see license: https://getbubblenow.com/bubble-license/
+#
+THISDIR=$(cd $(dirname ${0}) && pwd)
+VCURL=${THISDIR}/vcurl
+LABEL=${1?no label provided}
+
+${VCURL} server/list?label=${LABEL} | jq -r '.[].SUBID'