Add ECH agentless and agent-based installation workflow (#2919)

* add ech agentless wf

* update wf

* enable wf run by pull_request

* remove pull_request and enable jobs

* update wf params

Author: gurevichdmitry

.github/workflows/test-ech-agentless.yml

@@ -0,0 +1,57 @@
+name: Test ECH Environment
+run-name: Creating ECH Environment by @${{ github.actor }}
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '0 4 * * *' # every day at 04:00
+
+jobs:
+  naming:
+    runs-on: ubuntu-latest
+    outputs:
+      deployment_name: ${{ steps.set-variables.outputs.date-name }}
+      stack_version: ${{ steps.set-variables.outputs.stack-version }}
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v4
+
+      - name: Hermit Environment
+        uses: ./.github/actions/hermit
+
+      - name: Set variables
+        id: set-variables
+        env:
+          STACK_VERSION: ${{ env.ELK_VERSION }}
+        run: |
+          date_name=$(echo "prd-ech-$(date +'%d%b%H%M')" | tr '[:upper:]' '[:lower:]')
+          echo "date-name=$date_name" >> $GITHUB_OUTPUT
+          echo "stack-version=$STACK_VERSION" >> $GITHUB_OUTPUT
+
+  deploy:
+    needs: naming
+    uses: ./.github/workflows/test-environment.yml
+    secrets: inherit
+    # Required for the 'Deploy' job in the 'test-environment.yml' to authenticate with Google Cloud (gcloud).
+    permissions:
+      contents: 'read'
+      id-token: 'write'
+    with:
+      deployment_name: ${{ needs.naming.outputs.deployment_name }}
+      elk-stack-version: ${{ needs.naming.outputs.stack_version }}
+      ess-region: "gcp-us-west2"
+      serverless_mode: false
+      run-sanity-tests: true
+      expiration_days: 0
+
+  destroy_environment:
+    needs: ["naming", "deploy"]
+    uses: ./.github/workflows/destroy-environment.yml
+    secrets: inherit
+    # Required for the 'Destroy' job in the 'destroy-environment.yml'
+    permissions:
+      contents: 'read'
+      id-token: 'write'
+    if: success()
+    with:
+      prefix: ${{ needs.naming.outputs.deployment_name }}