Don't run build workflow on draft PRs. (#20443)

.github/workflows/build.yml

@@ -4,6 +4,11 @@ name: build
 on:
   workflow_dispatch:
   pull_request:
+    # The default types for pull_request are [ opened, synchronize, reopened ].
+    # This is insufficient for our needs, since we're skipping stuff on PRs in
+    # draft mode.  By adding the ready_for_review type, when a draft pr is marked
+    # ready, we run everything, including the stuff we'd have skipped up until now.
+    types: [ opened, synchronize, reopened, ready_for_review ]
   push:
     branches:
       - main
@@ -12,6 +17,7 @@ on:
 jobs:
   # verify-changes determines if the changes are only for docs (website)
   verify-changes:
+    if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
     outputs:
       is_docs_change: ${{ steps.get-changeddir.outputs.is_docs_change }}

.github/workflows/ci.yml

@@ -1,6 +1,11 @@
 name: CI
 on:
   pull_request:
+    # The default types for pull_request are [ opened, synchronize, reopened ].
+    # This is insufficient for our needs, since we're skipping stuff on PRs in
+    # draft mode.  By adding the ready_for_review type, when a draft pr is marked
+    # ready, we run everything, including the stuff we'd have skipped up until now.
+    types: [ opened, synchronize, reopened, ready_for_review ]
   push:
     branches:
       - main
@@ -141,6 +146,7 @@ jobs:
     - setup-go-cache
     # Don't run this job for PR branches starting with 'ui/', 'backport/ui/', 'docs/', or 'backport/docs/'
     if: |
+      github.event.pull_request.draft == false &&
       !startsWith(github.head_ref, 'ui/') &&
       !startsWith(github.head_ref, 'backport/ui/') &&
       !startsWith(github.head_ref, 'docs/') &&
@@ -162,6 +168,7 @@ jobs:
     name: Run Go tests with FIPS configuration
     # Only run this job for the enterprise repo if the PR branch doesn't start with 'ui/', 'backport/ui/', 'docs/', or 'backport/docs/'
     if: |
+      github.event.pull_request.draft == false &&
       needs.setup.outputs.enterprise == 1 &&
       !startsWith(github.head_ref, 'ui/') &&
       !startsWith(github.head_ref, 'backport/ui/') &&
@@ -293,4 +300,4 @@ jobs:
     runs-on: ${{ fromJSON(needs.setup.outputs.compute-tiny) }}
     steps:
     - run: |
-        tr -d '\n' <<< '${{ toJSON(needs.*.result) }}' | grep -q -v -E '(failure|cancelled)' 
+        tr -d '\n' <<< '${{ toJSON(needs.*.result) }}' | grep -q -v -E '(failure|cancelled)'