Jialiang Cai created AMBARI-26654:
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Summary: Add unified multi-cluster management and managed HBase
service dependencies
Key: AMBARI-26654
URL: https://issues.apache.org/jira/browse/AMBARI-26654
Project: Ambari
Issue Type: New Feature
Reporter: Jialiang Cai
Provide one Ambari server and console for multiple independent runtime
clusters, with navigation both by cluster and by service type. Operators should
be able to compare HBase or HDFS deployments and open the exact deployment
configuration, operations and recovery views without repeatedly changing a
global cluster selection.
Scope:
* Preserve Cluster -> Service -> Component -> Host and existing single-cluster
compatibility. One host/agent belongs to one runtime cluster.
* Make cluster creation non-destructive and isolate authorization, workflow
persistence, asynchronous requests, events, configuration, operations and
recovery by cluster.
* Add unified React cluster/service directories, explicit cluster routes,
useful recovery controls and improved existing installation interactions.
* Support explicit managed HBase dependencies on an HDFS service and/or an
existing ZooKeeper service owned by another cluster, with stable identities,
minimal versioned client configuration, private data paths, compatibility
checks and lifecycle safeguards.
* Keep provider ownership and stored data independent of consumer stop or
removal. Validate provider changes explicitly and preserve resumable operation
history.
* Support the explicitly validated same-realm Kerberos contract using
provider-local provisioning authority and consumer-only credentials.
Unsupported authentication or migration combinations must fail clearly.
Out of scope: multiple runtime clusters sharing one host, repeated HBASE
service identities inside one Cluster, a new Workspace tenancy model, automatic
shared-provider deletion, and claims of process-level HA from logical
separation.
Implementation is in progress from PR #4208's pinned source baseline
a62fe4959dc948210d844295a097a3311321dea6. The initial contributor branch is a
source reference checkpoint. It is not an Apache release or a completed runtime
validation result. Compilation, focused regression tests and isolated
cluster/browser validation remain pending; no complete test-suite result is
claimed.
Acceptance includes non-destructive second-cluster creation and recovery,
strict RBAC/host exclusivity, concurrent-tab/event isolation, direct
deployment-specific actions, HBase using remote HDFS/ZooKeeper without
redundant server deployments, safe provider impact handling and consumer
removal preserving provider data.
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