Utility automation for updating topics as part of release process (#25725)

.github/workflows/update-topics.yaml

@@ -0,0 +1,72 @@
+name: Update release topics
+on:
+    workflow_dispatch:
+        inputs:
+            expected_status:
+                description: What type of release is the next expected release
+                required: true
+                default: RC
+                type: choice
+                options:
+                    - RC
+                    - Release
+            expected_date:
+                description: Expected release date e.g. July 11th
+                required: true
+                type: string
+concurrency: ${{ github.workflow }}
+jobs:
+    bot:
+        name: Release topic update
+        runs-on: ubuntu-latest
+        environment: Matrix
+        steps:
+            - id: stable
+              uses: fangqiuming/latest-release-version@45b2da0e20968cd18c356c548d3c5ccb7318bb8f
+
+            - uses: actions/github-script@v6
+              env:
+                  HS_URL: ${{ secrets.BETABOT_HS_URL }}
+                  LOBBY_ROOM_ID: ${{ secrets.ROOM_ID }}
+                  PUBLIC_ROOM_ID: "!YTvKGNlinIzlkMTVRl:matrix.org"
+                  ANNOUNCEMENT_ROOM_ID: "!bijaLdadorKgNGtHdA:matrix.org"
+                  TOKEN: ${{ secrets.BETABOT_ACCESS_TOKEN }}
+                  RELEASE_TOPIC: "Stable: v${{ steps.stable.outputs.tag_name }} | Release status: ${{ inputs.expected_status }} expected ${{ inputs.expected_date }}"
+              with:
+                  script: |
+                      const { HS_URL, TOKEN, RELEASE_TOPIC, LOBBY_ROOM_ID, PUBLIC_ROOM_ID, ANNOUNCEMENT_ROOM_ID } = process.env;
+
+                      const regex = /Stable: v(\d+.\d+.\d+) \| Release status: (\w+) expected (\w+ \d+\w+)/gm;
+
+                      async function updateReleaseInTopic(roomId) {
+                          const apiUrl = `${HS_URL}/_matrix/client/v3/rooms/${roomId}/state/m.room.topic/`;
+                          const headers = {
+                              "Content-Type": "application/json",
+                              "Authorization": `Bearer ${TOKEN}`,
+                          };
+                          const res = await fetch(apiUrl, {
+                              method: "GET",
+                              headers,
+                          });
+
+                          const data = await res.json();
+                          const topic = data.topic.replace(regex, RELEASE_TOPIC);
+                          if (topic === data.topic) {
+                              console.log(roomId, "nothing to do");
+                          }
+
+                          await fetch(apiUrl, {
+                              method: "PUT",
+                              body: {
+                                  ...data,
+                                  topic,
+                              },
+                              headers,
+                          });
+                          console.log(roomId, "topic updated");
+                      }
+
+                      await updateReleaseInTopic(LOBBY_ROOM_ID);
+
+#                      await updateReleaseInTopic(PUBLIC_ROOM_ID);
+#                      await updateReleaseInTopic(ANNOUNCEMENT_ROOM_ID);