[cft] Add pipeline to shutdown deployment

.buildkite/pipelines/purge_cloud_deployment.yml

@@ -0,0 +1,13 @@
+steps:
+  - block: "Purge deployment"
+    prompt: "Fill out the details to shutdown a PR deployment"
+    fields:
+      - text: "Pull Request Number"
+        key: "kibana-pull-request"
+    if: "build.env('KIBANA_PULL_REQUEST') == null || build.env('KIBANA_PULL_REQUEST') == ''"
+
+  - command: .buildkite/scripts/steps/cloud/purge_deployment.sh
+    label: Purge a cloud deployment
+    timeout_in_minutes: 10
+    agents:
+      queue: kibana-default

.buildkite/pipelines/purge_cloud_deployments.yml

@@ -1,5 +1,5 @@
 steps:
-  - command: .buildkite/scripts/steps/cloud/purge.sh
+  - command: .buildkite/scripts/steps/cloud/purge_deployments.sh
     label: Purge old cloud deployments
     timeout_in_minutes: 10
     agents:

.buildkite/scripts/steps/cloud/purge_deployment.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+ts-node .buildkite/scripts/steps/cloud/purge_deployment.ts

.buildkite/scripts/steps/cloud/purge_deployment.ts

@@ -0,0 +1,35 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+import { execSync } from 'child_process';
+
+const deploymentsListJson = execSync('ecctl deployment list --output json').toString();
+const { deployments } = JSON.parse(deploymentsListJson);
+
+const prNumber = parseInt(
+  process.env.KIBANA_PULL_REQUEST ||
+    execSync('buildkite-agent meta-data get kibana-pull-request').toString(),
+  10
+);
+const deploymentName = `kibana-pr-${prNumber}`;
+const deployment = deployments.find((d: any) => d.name === deploymentName);
+
+if (!prNumber || !deployment) {
+  console.error(`${deploymentName} not found`);
+  process.exit(1);
+}
+
+console.log(`Scheduling deployment for deletion: ${deployment.name} / ${deployment.id}`);
+try {
+  execSync(`ecctl deployment shutdown --force '${deployment.id}'`, { stdio: 'inherit' });
+  execSync(`vault delete secret/kibana-issues/dev/cloud-deploy/${deployment.name}`, {
+    stdio: 'inherit',
+  });
+} catch (ex) {
+  console.error(ex.toString());
+}

.buildkite/scripts/steps/cloud/purge_deployments.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+ts-node .buildkite/scripts/steps/cloud/purge_deployments.ts