Oops- Now I see you already said it's in master.  I'll look there :)

Thanks again!

On Tue, Oct 6, 2015 at 6:59 PM, Jay Taylor <[email protected]> wrote:

> Great, thanks for the quick reply Tim!
>
> Do you know if there is a branch I can checkout to test it out?
>
> On Tue, Oct 6, 2015 at 6:54 PM, Timothy Chen <[email protected]> wrote:
>
>> Hi Jay,
>>
>> We just added health check support for docker tasks that's in master but
>> not yet released. It will run docker exec with the command you provided as
>> health checks.
>>
>> It should be in the next release.
>>
>> Thanks!
>>
>> Tim
>>
>>
>> On Oct 6, 2015, at 6:49 PM, Jay Taylor <[email protected]> wrote:
>>
>> Does Mesos support health checks for docker image tasks?  Mesos seems to
>> be ignoring the TaskInfo.HealthCheck field for me.
>>
>> Example TaskInfo JSON received back from Mesos:
>>
>> {
>>>
>>>   "name":"hello-app.web.v3",
>>>
>>>   "task_id":{
>>>
>>>     "value":"hello-app_web-v3.fc05a1a5-1e06-4e61-9879-be0d97cd3eec"
>>>
>>>   },
>>>
>>>   "slave_id":{
>>>
>>>     "value":"20150924-210922-1608624320-5050-1792-S1"
>>>
>>>   },
>>>
>>>   "resources":[
>>>
>>>     {
>>>
>>>       "name":"cpus",
>>>
>>>       "type":0,
>>>
>>>       "scalar":{
>>>
>>>         "value":0.1
>>>
>>>       }
>>>
>>>     },
>>>
>>>     {
>>>
>>>       "name":"mem",
>>>
>>>       "type":0,
>>>
>>>       "scalar":{
>>>
>>>         "value":256
>>>
>>>       }
>>>
>>>     },
>>>
>>>     {
>>>
>>>       "name":"ports",
>>>
>>>       "type":1,
>>>
>>>       "ranges":{
>>>
>>>         "range":[
>>>
>>>           {
>>>
>>>             "begin":31002,
>>>
>>>             "end":31002
>>>
>>>           }
>>>
>>>         ]
>>>
>>>       }
>>>
>>>     }
>>>
>>>   ],
>>>
>>>   "command":{
>>>
>>>     "container":{
>>>
>>>       "image":"docker-services1a:5000/test/app-81-1-hello-app-103"
>>>
>>>     },
>>>
>>>     "shell":false
>>>
>>>   },
>>>
>>>   "container":{
>>>
>>>     "type":1,
>>>
>>>     "docker":{
>>>
>>>       "image":"docker-services1a:5000/gig1/app-81-1-hello-app-103",
>>>
>>>       "network":2,
>>>
>>>       "port_mappings":[
>>>
>>>         {
>>>
>>>           "host_port":31002,
>>>
>>>           "container_port":8000,
>>>
>>>           "protocol":"tcp"
>>>
>>>         }
>>>
>>>       ],
>>>
>>>       "privileged":false,
>>>
>>>       "parameters":[],
>>>
>>>       "force_pull_image":false
>>>
>>>     }
>>>
>>>   },
>>>
>>>   "health_check":{
>>>
>>>     "delay_seconds":5,
>>>
>>>     "interval_seconds":10,
>>>
>>>     "timeout_seconds":10,
>>>
>>>     "consecutive_failures":3,
>>>
>>>     "grace_period_seconds":0,
>>>
>>>     "command":{
>>>
>>>       "shell":true,
>>>
>>>       "value":"sleep 5",
>>>
>>>       "user":"root"
>>>
>>>     }
>>>
>>>   }
>>>
>>> }
>>>
>>>
>> I have searched all machines and containers to see if they ever run the
>> command (in this case `sleep 5`), but have not found any indication that it
>> is being executed.
>>
>> In the mesos src code the health-checks are invoked from
>> src/launcher/executor.cpp CommandExecutorProcess::launchTask.  Does this
>> mean that health-checks are only supported for custom executors and not for
>> docker tasks?
>>
>> What I am trying to accomplish is to have the 0/non-zero exit-status of a
>> health-check command translate to task health.
>>
>> Thanks!
>> Jay
>>
>>
>

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