Add SCOS CI Integration

.github/workflows/scos-integration.yml

@@ -0,0 +1,82 @@
+name: SCOS Integration Tests
+
+on:
+  pull_request:
+    branches: [main]
+    paths:
+      - 'src/snowflake/snowpark/**'
+      - 'setup.py'
+      - 'pyproject.toml'
+
+jobs:
+  trigger-scos:
+    name: Trigger SCOS Tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Trigger SCOS repository_dispatch
+        uses: peter-evans/repository-dispatch@v3
+        with:
+          token: ${{ secrets.SCOS_TRIGGER_PAT }}
+          repository: snowflake-eng/sas
+          event-type: snowpark-python-test
+          client-payload: |
+            {
+              "caller_repo": "${{ github.repository }}",
+              "caller_sha": "${{ github.event.pull_request.head.sha }}",
+              "pr_number": "${{ github.event.pull_request.number }}",
+              "pr_title": ${{ toJSON(github.event.pull_request.title) }},
+              "snowpark_python_path": "git+https://github.com/${{ github.repository }}.git@refs/pull/${{ github.event.pull_request.number }}/head",
+              "snowpark_python_branch": "PR-${{ github.event.pull_request.number }}"
+            }
+
+      - name: Wait for SCOS status
+        run: |
+          echo "SCOS tests triggered. Waiting for status..."
+          SHA="${{ github.event.pull_request.head.sha }}"
+
+          # Let SCOS's report-pending job post an initial status.
+          sleep 15
+
+          # Poll for status (timeout after 60 minutes: 120 iterations * 30s).
+          # If SCOS hasn't posted any status within the first ~5 minutes,
+          # assume the dispatch silently failed (bad PAT, wrong repo, etc.)
+          # and fail fast rather than waiting the full 60 minutes.
+          seen_status="false"
+          pending_ack_deadline=10  # iterations before we give up waiting for first status
+
+          for i in $(seq 1 120); do
+            RAW=$(gh api "repos/${{ github.repository }}/commits/${SHA}/status" \
+              -q '.statuses[] | select(.context == "SCOS Integration Tests") | .state' \
+              2>/dev/null | head -n 1 || true)
+
+            if [ -n "$RAW" ]; then
+              seen_status="true"
+              STATUS="$RAW"
+            else
+              STATUS="missing"
+            fi
+
+            if [ "$STATUS" = "success" ]; then
+              echo "SCOS tests passed"
+              exit 0
+            elif [ "$STATUS" = "failure" ] || [ "$STATUS" = "error" ]; then
+              echo "SCOS tests failed (state=$STATUS)"
+              exit 1
+            fi
+
+            if [ "$seen_status" = "false" ] && [ "$i" -ge "$pending_ack_deadline" ]; then
+              echo "No status received from SCOS after ${pending_ack_deadline} polls."
+              echo "This usually means the repository_dispatch did not reach SCOS."
+              echo "Check: SCOS_TRIGGER_PAT validity/scope, target repo, and that"
+              echo "SCOS's precommit.yml has repository_dispatch type 'snowpark-python-test'."
+              exit 1
+            fi
+
+            echo "Status: $STATUS - waiting 30s... (attempt $i/120)"
+            sleep 30
+          done
+
+          echo "Timeout waiting for SCOS tests"
+          exit 1
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}