[Nodepool] Clean up VMs and images using action

* New action in CI/CD App for deleting Nodepool

Change-Id: I797ee059432de38656e33ae470e04343d5fa1d05

murano-apps/CiCdEnvironment/package/Classes/CiCdEnvironment.yaml

@@ -187,3 +187,15 @@ Methods:
       - $applications.select($hosts.applyTo($.instance))
 
       - $._environment.reporter.report($this, 'Hosts added.')
+
+  deleteNodepool:
+    Usage: Action
+    Body:
+      - If: $this.nodepool = null
+        Then:
+          - Return:
+
+      - $._environment.reporter.report($this, 'Deleting Nodepool...')
+      - $this.nodepool.releaseResources()
+      - $this.nodepool: null
+      - $._environment.reporter.report($this, 'Nodepool is deleted. Now you can safely delete environment.')

murano-apps/Nodepool/package/Classes/Nodepool.yaml

@@ -128,7 +128,18 @@ Methods:
           - $host: $instance.ipAddresses[0]
       - Return: $host
 
-  destroy:
+  releaseResources:
     Body:
+      # Release resources.
+      - $resources: new(sys:Resources)
+      - $template: $resources.yaml('ReleaseResources.template')
+      - $._environment.reporter.report($this, 'Deleting nodepool-related VMs and Images from tenant...')
+      - $.instance.agent.call($template, $resources)
+      - $.instance.releaseResources()
+      - $._environment.reporter.report($this, 'Done.')
       - $.reportDestroyed()
       - $.setAttr(deployed, false)
+
+  destroy:
+    Body:
+      - $.releaseResources()

murano-apps/Nodepool/package/Resources/ReleaseResources.template

@@ -0,0 +1,20 @@
+FormatVersion: 2.1.0
+Version: 1.0.0
+Name: Release resources
+
+Parameters:
+
+Body: |
+  releaseResources()
+
+Scripts:
+  releaseResources:
+    Type: Application
+    Version: 1.0.0
+    EntryPoint: release_resources.sh
+    Files:
+      - creds
+    Options:
+      captureStdout: false
+      captureStderr: true
+      verifyExitcode: true

murano-apps/Nodepool/package/Resources/scripts/creds

@@ -0,0 +1,4 @@
+export OS_AUTH_URL=`hiera -c /etc/puppet/hiera.yaml os_auth_url`
+export OS_TENANT_NAME=`hiera -c /etc/puppet/hiera.yaml os_tenant_name`
+export OS_USERNAME=`hiera -c /etc/puppet/hiera.yaml os_username`
+export OS_PASSWORD=`hiera -c /etc/puppet/hiera.yaml os_password`

murano-apps/Nodepool/package/Resources/scripts/release_resources.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+
+source creds
+
+set -x
+
+# Get server ids.
+server_ids=$(mysql -u nodepool --password=nodepool nodepool -e 'select external_id from node' | grep -o '[-0-9a-f]\{36\}')
+image_ids=$(mysql -u nodepool --password=nodepool nodepool -e 'select external_id from snapshot_image' | grep -o '[-0-9a-f]\{36\}')
+
+# Get token and service catalog.
+resp=$(curl -H "Content-Type: application/json" -X POST $OS_AUTH_URL/tokens --data '{"auth": {"tenantName": "'$OS_TENANT_NAME'", "passwordCredentials": {"username": "'$OS_USERNAME'", "password": "'$OS_PASSWORD'"}}}')
+
+token=$(echo $resp | json_pp | grep -A15 '"token"' | sed -e '/"tenant"/,+7d' | grep '"id"' | cut -d '"' -f 4)
+nova_url=$(echo $resp | json_pp | grep '8774/v2' | grep publicURL | cut -d '"' -f 4)
+glance_url=$(echo $resp | json_pp | grep ':9292' | grep publicURL | cut -d '"' -f 4)
+
+# Clean up servers.
+for id in $server_ids
+do
+  curl -X DELETE -H "X-Auth-Token: $token" $nova_url/servers/$id
+done
+
+# Clean up images.
+for id in $image_ids
+do
+  curl -X DELETE -H "X-Auth-Token: $token" $glance_url/v1/images/$id
+done