GRM-37: refactor: Split CI scripts, fix release PYTHONPATH, dynamic runner discovery

.gitea/workflows/ci.yml

@@ -29,7 +29,7 @@ jobs:
       - name: Documentation coverage check
         run: |
           . .venv/bin/activate
-          PYTHONPATH=src python3 scripts/doc_coverage.py
+          PYTHONPATH=src python3 scripts/ci/doc_coverage.py
 
   release-dry-run:
     needs: [quality, detect-changes]
@@ -54,7 +54,7 @@ jobs:
       - name: Release dry-run validation
         run: |
           . .venv/bin/activate
-          PYTHONPATH=src python3 scripts/release.py --dry-run || true
+          PYTHONPATH=src python3 scripts/ci/release.py --dry-run || true
 
   detect-changes:
     runs-on: docker
@@ -94,13 +94,40 @@ jobs:
             echo "No user-facing files changed — skipping release dry-run."
           fi
 
+  discover-runners:
+    needs: [detect-changes]
+    if: needs.detect-changes.outputs.ansible-changed == 'true'
+    runs-on: docker
+    outputs:
+      runner-count: ${{ steps.discover.outputs.runner-count }}
+      runner-indices: ${{ steps.discover.outputs.runner-indices }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up environment
+        run: make setup
+      - name: Discover available runners
+        id: discover
+        env:
+          REPO_TOKEN: ${{ secrets.REPO_TOKEN }}
+          MOLECULE_RUNNERS: ${{ vars.MOLECULE_RUNNERS }}
+          PYTHONPATH: src
+        run: |
+          . .venv/bin/activate
+          OUTPUT=$(python3 scripts/ci/discover_runners.py --owner "${{ github.repository_owner }}" --repo "${{ github.event.repository.name }}")
+          echo "$OUTPUT"
+          # Parse outputs
+          RUNNER_COUNT=$(echo "$OUTPUT" | grep '^count=' | cut -d= -f2)
+          RUNNER_INDICES=$(echo "$OUTPUT" | grep '^indices=' | cut -d= -f2)
+          echo "runner-count=$RUNNER_COUNT" >> "$GITHUB_OUTPUT"
+          echo "runner-indices=$RUNNER_INDICES" >> "$GITHUB_OUTPUT"
+
   molecule-tests:
-    needs: [quality, detect-changes]
+    needs: [quality, detect-changes, discover-runners]
     if: needs.detect-changes.outputs.ansible-changed == 'true'
     runs-on: docker
     strategy:
       matrix:
-        runner-index: [0, 1, 2]
+        runner-index: ${{ fromJSON(needs.discover-runners.outputs.runner-indices) }}
     steps:
       - uses: actions/checkout@v4
       - name: Set up environment
@@ -108,14 +135,14 @@ jobs:
       - name: Discover assigned test pairs
         run: |
           . .venv/bin/activate
-          PAIRS=$(python3 scripts/distribute_molecule.py --runner-index ${{ matrix.runner-index }} --max-runners 3)
+          PAIRS=$(python3 scripts/ci/distribute_molecule.py --runner-index ${{ matrix.runner-index }} --max-runners ${{ needs.discover-runners.outputs.runner-count }})
           echo "Assigned pairs: $PAIRS"
           echo "TEST_PAIRS=$PAIRS" >> $GITHUB_ENV
       - name: Run molecule tests
         run: |
           set -euo pipefail
           . .venv/bin/activate
-          python3 scripts/molecule_ci_guard.py $TEST_PAIRS
+          python3 scripts/ci/molecule_ci_guard.py $TEST_PAIRS
         env:
           GITEA_URL: ${{ github.server_url }}
           REPO_TOKEN: ${{ secrets.REPO_TOKEN }}