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https://issues.apache.org/jira/browse/YARN-8299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16545680#comment-16545680
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Eric Yang commented on YARN-8299:
---------------------------------
The output of the CLI looks like this:
{code}
[hbase@eyang-1 hadoop-3.2.0-SNAPSHOT]$ ./bin/yarn container -list qqq -states
RUNNING_BUT_UNREADY,READY|python -m json.tool
[
{
"bare_host": "eyang-4.openstacklocal",
"component_instance_name": "ping-0",
"hostname": "ping-0.qqq.hbase.ycluster",
"id": "container_1531765479645_0002_01_000002",
"ip": "172.26.111.21",
"launch_time": 1531767377301,
"state": "READY"
},
{
"bare_host": "eyang-5.openstacklocal",
"component_instance_name": "sleep-0",
"hostname": "sleep-0.qqq.hbase.ycluster",
"id": "container_1531765479645_0002_01_000004",
"ip": "172.26.111.20",
"launch_time": 1531767377710,
"state": "READY"
},
{
"bare_host": "eyang-4.openstacklocal",
"component_instance_name": "sleep-1",
"hostname": "sleep-1.qqq.hbase.ycluster",
"id": "container_1531765479645_0002_01_000005",
"ip": "172.26.111.21",
"launch_time": 1531767378303,
"state": "READY"
},
{
"bare_host": "eyang-4.openstacklocal",
"component_instance_name": "ping-1",
"hostname": "ping-1.qqq.hbase.ycluster",
"id": "container_1531765479645_0002_01_000007",
"ip": "172.26.111.21",
"launch_time": 1531767410395,
"state": "RUNNING_BUT_UNREADY"
}
]
{code}
If there are two components specified, it is not easy to identify which
container belongs to which component. It might be good to add component_name
to the JSON to distinguish components.
> Yarn Service Upgrade: Add GET APIs that returns instances matching query
> params
> -------------------------------------------------------------------------------
>
> Key: YARN-8299
> URL: https://issues.apache.org/jira/browse/YARN-8299
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Chandni Singh
> Assignee: Chandni Singh
> Priority: Major
> Attachments: YARN-8299.001.patch, YARN-8299.002.patch,
> YARN-8299.003.patch, YARN-8299.004.patch, YARN-8299.005.patch
>
>
> We need APIs that returns containers that match the query params. These are
> needed so that we can find out what containers have been upgraded.
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