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https://issues.apache.org/jira/browse/SLIDER-1009?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15112137#comment-15112137
]
Jaeboo Jeong commented on SLIDER-1009:
--------------------------------------
In my case, I made the ELK(elastic, logstash, kibana) app package.
I wrote start script and supervisor configuration like below.
- start scripts {code}
def start(self, env):
...
process_cmd = format("/bin/sh {params.install_dir}/supervisor.sh start")
{code}
- supervisor.sh {code}
case $CMD in
start)
supervisord -c {{conf_dir}}/supervisord.conf
;;
stop)
supervisorctl -c {{conf_dir}}/supervisord.conf shutdown
;;
esac
{code}
- supervisord.conf {code}
[program:elasticsearch]
command={{install_dir}}/elasticsearch-${elasticsearch.version}/bin/elasticsearch
-Des.config={{conf_dir}}/elasticsearch.yml
...
[program:logstash]
command={{install_dir}}/logstash-${logstash.version}/bin/logstash agent -f
{{conf_dir}}/logstash
...
[program:kibana]
command={{install_dir}}/kibana-${kibana.version}/bin/kibana
...
{code}
If the application executed by slider, I could see processes of elk and
supervisord.
But If the application is stopped by slider stop command, the processes always
remained.
After applying the patch, the processes always stop.
> Slider stop command doesn’t invoke stop function inside an app package
> ----------------------------------------------------------------------
>
> Key: SLIDER-1009
> URL: https://issues.apache.org/jira/browse/SLIDER-1009
> Project: Slider
> Issue Type: Improvement
> Components: agent
> Affects Versions: Slider 0.81
> Reporter: Jaeboo Jeong
> Attachments: SLIDER-1009.patch
>
>
> As you know, slider stop does not stop the components started by slider,
> instead it stops only SliderAM.
> In many case, this problem will be solved via YARN-3561 or HADOOP-11989.
> But if there isn’t any relation between component processes and slider agent
> process,
> the components will remain after slider application is stopped.
> If we want to stop the remained components, we need to invoke a stop function.
> (Of course it assumes that the stop function has the abilities that can stop
> components.)
> I patched the source code that is based on slider 0.81.1 + SLIDER-128 patch.
> When the agent receives the kill signal, the agent executes a stop command
> like DockerManager
> and then all components will be stopped.
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