Add GH actions (#5949)

Signed-off-by: Krasi Georgiev <8903888+krasi-georgiev@users.noreply.github.com>

.github/workflows/funcbench.yml

@@ -0,0 +1,19 @@
+on: issue_comment
+name: Benchmark
+jobs:
+  commentMonitor:
+    runs-on: ubuntu-latest
+    steps:
+    - name: commentMonitor
+      uses: docker://prombench/comment-monitor:latest
+      env:
+        COMMENT_TEMPLATE: 'The benchmark has started. We are comparing this PR agains
+          branch {{ index . "BRANCH" }}. You can run the same tests with command: `go
+          test -bench {{ index . "REGEX" }} -benchmem -race -v ./...` [Github Actions logs](https://github.com/{{ index . "GITHUB_REPOSITORY" }}/commit/{{ index . "GITHUB_SHA" }}/checks)'
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        args: '"^/funcbench ?(?P<BRANCH>[^ B\.]+)? ?(?P<REGEX>\.|Bench.*|[^ ]+)? ?(?P<RACE>-no-race)?.*$" --no-verify-user'
+    - name: benchmark
+      uses: docker://prombench/funcbench:latest
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/prombench-cancel-benchmark.yml

@@ -0,0 +1,49 @@
+on: issue_comment
+name: Prombench Cancel Benchmark
+jobs:
+  pre_benchmark_cancel:
+    name: Pre Benchmark Cancel
+    runs-on: ubuntu-latest
+    steps:
+    - name: Validate comment
+      id: validate_comment
+      uses: docker://prombench/comment-monitor:0.0.1
+      env:
+        COMMENT_TEMPLATE: |
+          Benchmark cancel is in progress
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        args: >-
+          "(?mi)^/prombench\s+cancel\s*$"
+  benchmark_cancel:
+    name: Benchmark Cancel
+    needs: pre_benchmark_cancel
+    runs-on: ubuntu-latest
+    steps:
+    - name: Extract arguments
+      id: extract_arguments
+      uses: docker://prombench/comment-monitor:0.0.1
+      with:
+        args: >-
+          "(?mi)^/prombench\s+cancel\s*$"
+    - name: Delete StatefulSet to stop test
+      id: delete_test_ss
+      uses: docker://prombenchgeekodour/prombench:2.0.2
+      env:
+        AUTH_FILE: ${{ secrets.AUTH_FILE }}
+        PROJECT_ID: prombench-gsoc
+        CLUSTER_NAME: ghaction-prom
+        ZONE: us-central1-a
+        TEST_INFRA_REPO: https://github.com/testpromorg/prombench.git
+      with:
+        args: >-
+          export PR_NUMBER=$(cat /github/home/commentMonitor/PR_NUMBER);
+          cd /prombench;
+          make delete_test_ss
+    - name: Post comment if delete_test_ss failed
+      id: fail_notification
+      if: failure()
+      uses: docker://prombench/comment-monitor:0.0.1
+      env:
+        COMMENT_TEMPLATE: "prombench cancel failed"
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/prombench-start-benchmark.yml

@@ -0,0 +1,71 @@
+on: issue_comment
+name: Prombench Start Benchmark
+jobs:
+  pre_benchmark_start:
+    name: Pre Benchmark Start
+    runs-on: ubuntu-latest
+    steps:
+    - name: Validate comment
+      id: validate_comment
+      uses: docker://prombench/comment-monitor:0.0.1
+      env:
+        COMMENT_TEMPLATE: |
+          ⏱️ Welcome to Prometheus Benchmarking Tool. ⏱️
+
+          **Compared versions:** **`PR-{{ index . "PR_NUMBER" }}`** and **`{{ index . "RELEASE" }}`**
+
+          **Test deployment logs:** [{{ index . "DOMAIN_NAME" }}/grafana/explore](http://{{ index . "DOMAIN_NAME" }}/grafana/explore?orgId=1&left=%5B%22now-6h%22,%22now%22,%22loki-meta%22,%7B%22expr%22:%22%7Bjob%3D%5C%22default%2Fprombench-test-{{ index . "PR_NUMBER" }}%5C%22%7D%22%7D,%7B%22mode%22:%22Logs%22%7D,%7B%22ui%22:%5Btrue,true,true,%22none%22%5D%7D%5D)
+
+          After successful deployment, the benchmarking metrics can be viewed at:
+
+          - [{{ index . "DOMAIN_NAME" }}/prometheus-meta](http://{{ index . "DOMAIN_NAME" }}/prometheus-meta/graph?g0.expr={namespace%3D"prombench-{{ index . "PR_NUMBER" }}"}&g0.tab=1)
+          - [{{ index . "DOMAIN_NAME" }}/grafana](http://{{ index . "DOMAIN_NAME" }}/grafana)
+
+          The Prometheus servers being benchmarked :
+          - Prometheus [**PR** - \#{{ index . "PR_NUMBER" }} ](http://{{ index . "DOMAIN_NAME" }}/{{ index . "PR_NUMBER" }}/prometheus-pr)
+          - Prometheus [**RELEASE** - {{ index . "RELEASE" }}](http://{{ index . "DOMAIN_NAME" }}/{{ index . "PR_NUMBER" }}/prometheus-release)
+
+          To stop comment `/prombench cancel`.
+        LABEL_NAME: prombench
+        DOMAIN_NAME: prombench.geekodour.xyz
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        args: >-
+          "(?mi)^/prombench\s*(?P<RELEASE>master|v[0-9]+\.[0-9]+\.[0-9]+\S*)\s*$"
+  benchmark_start:
+    name: Benchmark Start
+    needs: pre_benchmark_start
+    runs-on: ubuntu-latest
+    steps:
+    - name: Extract arguments
+      id: extract_arguments
+      uses: docker://prombench/comment-monitor:0.0.1
+      with:
+        args: >-
+          "(?mi)^/prombench\s*(?P<RELEASE>master|v[0-9]+\.[0-9]+\.[0-9]+\S*)\s*$"
+    - name: Create StatefulSet to start test
+      id: create_test_ss
+      uses: docker://prombenchgeekodour/prombench:2.0.2
+      env:
+        AUTH_FILE: ${{ secrets.AUTH_FILE }}
+        PROJECT_ID: prombench-gsoc
+        CLUSTER_NAME: ghaction-prom
+        ZONE: us-central1-a
+        DOMAIN_NAME: prombench.geekodour.xyz
+        TEST_INFRA_REPO: https://github.com/testpromorg/prombench.git
+        GITHUB_ORG: prometheus-community
+        GITHUB_REPO: prometheus
+      with:
+        args: >-
+          ls -la;
+          export RELEASE=$(cat /github/home/commentMonitor/RELEASE);
+          export PR_NUMBER=$(cat /github/home/commentMonitor/PR_NUMBER);
+          cd /prombench;
+          make create_test_ss
+    - name: Post comment if create_test_ss failed
+      id: fail_notification
+      if: failure()
+      uses: docker://prombench/comment-monitor:0.0.1
+      env:
+        COMMENT_TEMPLATE: "prombench start failed"
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}