[ci] When Maven Central is under load, curl requests are throttled

Signed-off-by: Chris Cranford <chris@hibernate.org>

Author: Naros

_scripts/create-snapshot-links.sh

@@ -16,10 +16,30 @@ update_snapshot_link() {
     local COMPONENT=$1
     local ARTIFACT_ID=$2
     local CLASSIFIER=$3
+    local MAX_RETRIES=3
+    local RETRY_DELAY=5
+
+    echo "Fetching $COMPONENT metadata"
+    for ((i=1; i<=MAX_RETRIES; i++)); do
+      SNAPSHOT_VERSION=$(curl --connect-timeout 10 --max-time 30 --silent -fSL $MAVEN_REPO/$GROUP_ID/$ARTIFACT_ID/$DEBEZIUM_VERSION/maven-metadata.xml | awk -F'<[^>]+>' '/<extension>tar.gz<\/extension>/ {getline; print $2; exit}')
+
+      if [[ -n "$SNAPSHOT_VERSION" ]]; then
+        break
+      fi
+
+      echo " Attempt $i/$MAX_RETRIES failed for $COMPONENT, retrying"
+      sleep "$RETRY_DELAY"
+      RETRY_DELAY=$((RETRY_DELAY * 2))
+    done
+
+    if [[ -z "$SNAPSHOT_VERSION" ]]; then
+      echo "ERROR: Failed to resolve snapshot for $COMPONENT after $MAX_RETRIES retries"
+      return 1
+    fi
 
-    SNAPSHOT_VERSION=$(curl --silent -fSL $MAVEN_REPO/$GROUP_ID/$ARTIFACT_ID/$DEBEZIUM_VERSION/maven-metadata.xml | awk -F'<[^>]+>' '/<extension>tar.gz<\/extension>/ {getline; print $2; exit}')
     SNAPSHOT_LINK="$MAVEN_REPO/$GROUP_ID/$ARTIFACT_ID/$DEBEZIUM_VERSION/$ARTIFACT_ID-${SNAPSHOT_VERSION}${CLASSIFIER}.tar.gz"
     sed -i "s#link-$COMPONENT-snapshot:.*#link-$COMPONENT-snapshot: \'$SNAPSHOT_LINK\'#" $ANTORA_FILE
+    echo "Updated $COMPONENT as $SNAPSHOT_LINK"
 }
 
 for CONNECTOR in "${CONNECTORS[@]}"; do