damccorm commented on code in PR #41119:
URL: https://github.com/apache/beam/pull/41119#discussion_r4515342585
##########
.test-infra/kubernetes/hadoop/LargeITCluster/hdfs-multi-datanode-cluster.yml:
##########
@@ -111,6 +112,22 @@ spec:
- image: gcr.io/apache-beam-testing/kubernetes-hadoop:3.3.4
imagePullPolicy: Always
name: namenode
+ command: ["/bin/bash", "-c"]
+ args:
+ - |
+
DOMAIN_SUFFIX="hadoop-datanodes.${NODE_NAMESPACE:-default}.svc.cluster.local"
+ for ((i=0; i<${DATANODE_COUNT:-3}; i++)); do
+ HOST="datanode-${i}.${DOMAIN_SUFFIX}"
+ echo "Waiting for SSH on ${HOST}..."
+ for attempt in $(seq 1 60); do
+ if ssh -o StrictHostKeyChecking=no -o ConnectTimeout=2 "${HOST}"
true 2>/dev/null; then
+ echo "${HOST} is ready."
+ break
+ fi
+ sleep 2
+ done
Review Comment:
Good catch! Updated in the latest commit to exit non-zero if all 60 attempts
fail so kubelet restarts the namenode container.
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