Prepare for 9.0.0-alpha1

Author: mark-vieira

.buildkite/dra-workflow.trigger.sh

@@ -15,12 +15,28 @@ for BRANCH in "${BRANCHES[@]}"; do
       branch: "$BRANCH"
       env:
         DRA_WORKFLOW: snapshot
+EOF
+	if [[ "$BRANCH" != "main" ]]; then
+		cat <<EOF
+  - trigger: elasticsearch-hadoop-dra-workflow
+    label: Trigger DRA staging workflow for $BRANCH
+    async: true
+    build:
+      branch: "$BRANCH"
+      env:
+        DRA_WORKFLOW: staging
+EOF
+	else
+		# Pass version qualifier to main builds
+		cat <<EOF
   - trigger: elasticsearch-hadoop-dra-workflow
     label: Trigger DRA staging workflow for $BRANCH
     async: true
     build:
       branch: "$BRANCH"
       env:
         DRA_WORKFLOW: staging
+        VERSION_QUALIFIER: alpha1
 EOF
+	fi
 done

.buildkite/dra.sh

@@ -4,14 +4,15 @@ set -euo pipefail
 
 DRA_WORKFLOW=${DRA_WORKFLOW:-snapshot}
 
-if [[ ("$BUILDKITE_BRANCH" == "main" || "$BUILDKITE_BRANCH" == *.x) && "$DRA_WORKFLOW" == "staging" ]]; then
+if [[ "$BUILDKITE_BRANCH" == *.x && "$DRA_WORKFLOW" == "staging" ]]; then
   exit 0
 fi
 
 echo --- Creating distribution
 
 rm -Rfv ~/.gradle/init.d
 HADOOP_VERSION=$(grep eshadoop buildSrc/esh-version.properties | sed "s/eshadoop *= *//g")
+BASE_VERSION="$HADOOP_VERSION"
 
 VERSION_SUFFIX=""
 BUILD_ARGS="-Dbuild.snapshot=false"
@@ -25,6 +26,11 @@ if [[ "$BUILDKITE_BRANCH" == "main" ]]; then
   RM_BRANCH=master
 fi
 
+if [[ -n "${VERSION_QUALIFIER:-}" ]]; then
+  BUILD_ARGS="$BUILD_ARGS -Dbuild.version_qualifier=$VERSION_QUALIFIER"
+  HADOOP_VERSION="${HADOOP_VERSION}-${VERSION_QUALIFIER}"
+fi
+
 echo "DRA_WORKFLOW=$DRA_WORKFLOW"
 echo "HADOOP_VERSION=$HADOOP_VERSION"
 echo "RM_BRANCH=$RM_BRANCH"
@@ -60,5 +66,6 @@ docker run --rm \
   --branch "$RM_BRANCH" \
   --commit "$BUILDKITE_COMMIT" \
   --workflow "$DRA_WORKFLOW" \
-  --version "$HADOOP_VERSION" \
+  --qualifier "${VERSION_QUALIFIER:-}" \
+  --version "$BASE_VERSION" \
   --artifact-set main