Automate creation of Redis Cloud API spec page

.github/workflows/rc_api_sync.yaml

@@ -0,0 +1,70 @@
+name: rc_api_sync
+
+on:
+  schedule:
+    - cron: '0 0 * * *' # run every day at midnight UTC time
+  workflow_dispatch: # or run on manual trigger
+
+jobs:
+  rc_api_sync:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
+      actions: write
+    steps:
+      - name: 'Checkout'
+        uses: 'actions/checkout@v3'
+
+      - name: 'Fetch openapi json file'
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          branch="rc_api_sync"
+          spec_change=false
+
+          # check if remote branch already exists
+          git fetch --all
+          set +e
+          git ls-remote --exit-code --heads origin "refs/heads/${branch}"
+          if [ "$?" -eq 0 ]; then
+            set -e
+            # if it does, create local branch off existing remote branch
+            git checkout -b "${branch}" "origin/${branch}"
+            git branch --set-upstream-to="origin/${branch}" "${branch}"
+            git pull
+          else
+            set -e
+            # otherwise, create local branch from main
+            git checkout -b "${branch}"
+          fi
+
+          curl -Ls https://api.redislabs.com/v1/cloud-api-docs \
+            | jq '(.. | .example? | try select(test("^{"))) |= fromjson' > content/operate/rc/api/api-reference/openapi.json
+
+          spec_is_different=$(git diff content/operate/rc/api/api-reference/openapi.json)
+
+          if [[ ! -z $spec_is_different ]]; then
+            spec_change=true
+
+            git add "content/operate/rc/api/api-reference/openapi.json"
+            git config user.email "177626021+redisdocsapp[bot]@users.noreply.github.com"
+            git config user.name "redisdocsapp[bot]"
+            git commit -m "Update content/operate/rc/api/api-reference/openapi.json"
+          fi
+
+          if [ "$spec_change" = true ] ; then
+            git push origin "${branch}"
+
+            # If a pr is not already open, create one
+            set +e
+            gh search prs -R redis/docs --state open --match title "update rc openapi spec" | grep -q "update rc openapi spec"
+            if [ "$?" -eq 1 ]; then
+              set -e
+              gh pr create \
+                --body "update rc openapi spec" \
+                --title "update rc openapi spec" \
+                --head "$branch" \
+                --base "main"
+            fi
+          fi