kyungwan nam created YARN-9986:
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Summary: signalToContainer REST API does not work even if
requested by the app owner
Key: YARN-9986
URL: https://issues.apache.org/jira/browse/YARN-9986
Project: Hadoop YARN
Issue Type: Bug
Components: restapi
Reporter: kyungwan nam
Assignee: kyungwan nam
signalToContainer REST API introduced in YARN-8693 does not work even if
requested by the app owner.
It works well only if requested by an admin user
{code}
$ kinit kwnam
Password for kw...@test.org:
$ curl -H 'Content-Type: application/json' --negotiate -u : -X POST
https://rm002.test.org:8088/ws/v1/cluster/containers/container_e58_1573625560605_29927_01_000001/signal/GRACEFUL_SHUTDOWN
{"RemoteException":{"exception":"ForbiddenException","message":"java.lang.Exception:
Only admins can carry out this
operation.","javaClassName":"org.apache.hadoop.yarn.webapp.ForbiddenException"}}$
$ kinit admin
Password for ad...@test.org:
$
$ curl -H 'Content-Type: application/json' --negotiate -u : -X POST
https://rm002.test.org:8088/ws/v1/cluster/containers/container_e58_1573625560605_29927_01_000001/signal/GRACEFUL_SHUTDOWN
$
{code}
in contrast, the app owner can do it using the command line as below.
{code}
$ kinit kwnam
Password for kw...@test.org:
$ yarn container -signal container_e58_1573625560605_29927_01_000002
GRACEFUL_SHUTDOWN
Signalling container container_e58_1573625560605_29927_01_000002
2019-11-19 09:12:29,797 INFO impl.YarnClientImpl: Signalling container
container_e58_1573625560605_29927_01_000002 with command GRACEFUL_SHUTDOWN
2019-11-19 09:12:29,920 INFO client.ConfiguredRMFailoverProxyProvider: Failing
over to rm2
$
{code}
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