Jialiang Cai created AMBARI-26656:
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Summary: Implement isolated multi-cluster management and
recoverable HBase dependencies
Key: AMBARI-26656
URL: https://issues.apache.org/jira/browse/AMBARI-26656
Project: Ambari
Issue Type: New Feature
Reporter: Jialiang Cai
Ambari needs one console to manage independently owned clusters without leaking
host, request/task, configuration or UI state between them. Cluster selection
must preserve the current Dashboard, while Admin provides a clear cluster
overview, creation, host allocation, permissions and repository navigation.
This new submission consolidates the implementation and review follow-up
developed under AMBARI-26654. It includes stable cluster ownership across
server/agent/REST/STOMP boundaries; durable managed HBase dependency
deployments with binding, operation, credential and task lineage; common
dependency constraints for Blueprint and Add Service; and recoverable React
installation/navigation flows.
Acceptance covered a native RPM deployment with six registered nodes: the first
cluster owns three nodes, the other three are initially unassigned, then API
provisioning creates the second cluster and adds HBase to both. Installed HBase
SDK operations verify distinct HDFS namespaces and local ZooKeeper ownership.
Scoped-user requests, duplicate host attachment and foreign request lookup are
rejected. Real lifecycle testing found and corrected Registry DNS supervisor
shutdown and command-scoped HBase hook initialization defects.
Earlier runtime evidence also covers HBase using another cluster's managed
HDFS/ZooKeeper, actual scoped STOMP events and browser route rejection.
Production source, focused test commands, preserved failure/recovery receipts
and remaining acceptance gates are recorded in
docs/design/multi-cluster-review-and-remediation.md.
Real KDC callbacks, the complete managed provider lifecycle/retention matrix,
all crash/response-loss boundaries and full broker revocation coverage remain
open. This issue does not claim those unexecuted scenarios passed.
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