[7.17] github-action: use ephemeral tokens with the required permissions (backport #14010) (#14102)

* github-action: use ephemeral tokens with the required permissions (#14010)

(cherry picked from commit abb9a9b)

# Conflicts:
#	.github/workflows/update-compose.yml

* Apply suggestions from code review

---------

Co-authored-by: Victor Martinez <[email protected]>

Author: mergify[bot]

.github/workflows/bump-elastic-stack.yml

@@ -30,12 +30,24 @@ jobs:
         with:
           ref: ${{ matrix.branch }}
 
+      - name: Get token
+        id: get_token
+        uses: tibdex/github-app-token@3beb63f4bd073e61482598c45c71c1019b59b73a # v2.1.0
+        with:
+          app_id: ${{ secrets.OBS_AUTOMATION_APP_ID }}
+          private_key: ${{ secrets.OBS_AUTOMATION_APP_PEM }}
+          permissions: >-
+            {
+              "contents": "write",
+              "pull_requests": "write"
+            }
+
       - uses: elastic/oblt-actions/updatecli/run@v1
         with:
           command: --experimental apply --config .ci/updatecli/bump-elastic-stack-snapshot.yml --values .ci/updatecli/values.d/scm.yml
         env:
           BRANCH: ${{ matrix.branch }}
-          GITHUB_TOKEN: ${{ secrets.UPDATECLI_GH_TOKEN }}
+          GITHUB_TOKEN: ${{ steps.get_token.outputs.token }}
 
       - if: ${{ failure()  }}
         uses: elastic/oblt-actions/slack/send@v1

.github/workflows/bump-golang.yml

@@ -41,11 +41,23 @@ jobs:
 
       - uses: actions/checkout@v4
 
+      - name: Get token
+        id: get_token
+        uses: tibdex/github-app-token@3beb63f4bd073e61482598c45c71c1019b59b73a # v2.1.0
+        with:
+          app_id: ${{ secrets.OBS_AUTOMATION_APP_ID }}
+          private_key: ${{ secrets.OBS_AUTOMATION_APP_PEM }}
+          permissions: >-
+            {
+              "contents": "write",
+              "pull_requests": "write"
+            }
+
       - uses: elastic/oblt-actions/updatecli/run@v1
         with:
           command: --experimental apply --config .ci/updatecli/bump-golang.yml --values .ci/updatecli/values.d/scm.yml
         env:
-          GITHUB_TOKEN: ${{ secrets.UPDATECLI_GH_TOKEN }}
+          GITHUB_TOKEN: ${{ steps.get_token.outputs.token }}
           GITHUB_BRANCH: 'main'
           GITHUB_LABELS: ${{ needs.labels.outputs.backports }}
 
@@ -62,7 +74,7 @@ jobs:
         with:
           command: --experimental apply --config .ci/updatecli/bump-golang.yml --values .ci/updatecli/values.d/scm.yml
         env:
-          GITHUB_TOKEN: ${{ secrets.UPDATECLI_GH_TOKEN }}
+          GITHUB_TOKEN: ${{ steps.get_token.outputs.token }}
           GITHUB_BRANCH: '7.17'
           GITHUB_LABELS: 'backport-skip'
 

.github/workflows/update-beats.yml

@@ -30,6 +30,18 @@ jobs:
         with:
           ref: ${{ matrix.branch }}
 
+      - name: Get token
+        id: get_token
+        uses: tibdex/github-app-token@3beb63f4bd073e61482598c45c71c1019b59b73a # v2.1.0
+        with:
+          app_id: ${{ secrets.OBS_AUTOMATION_APP_ID }}
+          private_key: ${{ secrets.OBS_AUTOMATION_APP_PEM }}
+          permissions: >-
+            {
+              "contents": "write",
+              "pull_requests": "write"
+            }
+
       - uses: actions/setup-go@v5
         with:
           go-version-file: go.mod
@@ -39,7 +51,7 @@ jobs:
           command: --experimental apply --config .ci/updatecli/update-beats.yml --values .ci/updatecli/values.d/scm.yml
         env:
           BRANCH_NAME: ${{ matrix.branch }}
-          GITHUB_TOKEN: ${{ secrets.UPDATECLI_GH_TOKEN }}
+          GITHUB_TOKEN: ${{ steps.get_token.outputs.token }}
 
       - if: ${{ failure()  }}
         uses: elastic/oblt-actions/slack/send@v1

.github/workflows/update-compose.yml

@@ -18,7 +18,19 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: docker/login-action@0d4c9c5ea7693da7b068278f7b52bda2a190a446 # v3.2.0
+      - name: Get token
+        id: get_token
+        uses: tibdex/github-app-token@3beb63f4bd073e61482598c45c71c1019b59b73a # v2.1.0
+        with:
+          app_id: ${{ secrets.OBS_AUTOMATION_APP_ID }}
+          private_key: ${{ secrets.OBS_AUTOMATION_APP_PEM }}
+          permissions: >-
+            {
+              "contents": "write",
+              "pull_requests": "write"
+            }
+
+      - uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
@@ -28,13 +40,13 @@ jobs:
         with:
           command: --experimental compose diff
         env:
-          GITHUB_TOKEN: ${{ secrets.UPDATECLI_GH_TOKEN }}
+          GITHUB_TOKEN: ${{ steps.get_token.outputs.token }}
 
       - uses: elastic/oblt-actions/updatecli/run@v1
         with:
           command: --experimental compose apply
         env:
-          GITHUB_TOKEN: ${{ secrets.UPDATECLI_GH_TOKEN }}
+          GITHUB_TOKEN: ${{ steps.get_token.outputs.token }}
 
       - if: ${{ failure()  }}
         uses: elastic/oblt-actions/slack/send@v1