HDDS-10514. Recon - Provide DN decommissioning detailed status and info inline with current CLI command output.

[devmadhuu]

What changes were proposed in this pull request?

This PR provides the details information of all datanodes for which decommissioning is initiated.

This PR change has added two API endpoints to provide information of all datanodes for which decommissioning is initiated.

API: /api/v1/datanodes/decommission/info Type: GET This API provides information about all datanodes

{
        "datanodeDetails": {
            "uuid": "f04ed2ee-5d70-4e9b-88a8-d54dd59d2828",
            "hostname": "ozone-ha-datanode-1.ozone-ha_default",
            "lastHeartbeat": 0,
            "networkLocation": "/default-rack",
            "ipAddress": "192.168.208.12"
        },
        "metrics": {
            "decommissionStartTime": "13/03/2024 02:52:29 UTC",
            "numOfUnclosedPipelines": 2,
            "numOfUnderReplicatedContainers": 0.0,
            "numOfUnclosedContainers": 0.0
        },
        "containers": {
            "UnderReplicated": [],
            "UnClosed": [#6, #10, #17]
        }
    }

API: /api/v1/datanodes/decommission/info/<uuid> Type: GET This API provides information about a specific datanode for which decommissioning is initiated.

{
        "datanodeDetails": {
            "uuid": "f04ed2ee-5d70-4e9b-88a8-d54dd59d2828",
            "hostname": "ozone-ha-datanode-1.ozone-ha_default",
            "lastHeartbeat": 0,
            "networkLocation": "/default-rack",
            "ipAddress": "192.168.208.12"
        },
        "metrics": {
            "decommissionStartTime": "13/03/2024 02:52:29 UTC",
            "numOfUnclosedPipelines": 2,
            "numOfUnderReplicatedContainers": 0.0,
            "numOfUnclosedContainers": 0.0
        },
        "containers": {
            "UnderReplicated": [],
            "UnClosed": [#6, #10, #17]
        }
    }

Above information will be consumed by UI to display in Recon.

What is the link to the Apache JIRA

https://issues.apache.org/jira/browse/HDDS-10514

How was this patch tested?

This patch is tested with integration test as well as APIs endpoints Junit test cases.