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 > >
