Hi Clayton, Many thanks for the quick response! Exactly what I was looking for.
Frank Systems Engineer VSee: [email protected] <http://vsee.com/u/tmd4RB> | Cell: +65 9338 0035 Join me on VSee for Free <http://vsee.com/u/tmd4RB> On Thu, Sep 8, 2016 at 10:06 AM, Clayton Coleman <[email protected]> wrote: > All pods are notified via SIGTERM that they should shut down. You can > also register a pre-stop hook in the pod definition that is given a chance > to run before SIGTERM is sent. You must set a longer > terminationGracePeriodSeconds if you need more than the default 30s: > > $ oc explain pod.spec.terminationGracePeriodSeconds > FIELD: terminationGracePeriodSeconds <integer> > > DESCRIPTION: > Optional duration in seconds the pod needs to terminate gracefully. > May be > decreased in delete request. Value must be non-negative integer. The > value > zero indicates delete immediately. If this value is nil, the default > grace > period will be used instead. The grace period is the duration in > seconds > after the processes running in the pod are sent a termination signal > and the > time when the processes are forcibly halted with a kill signal. Set > this > value longer than the expected cleanup time for your process. > Defaults to 30 > seconds. > > $ oc explain pod.spec.containers.lifecycle.preStop > RESOURCE: preStop <Object> > > DESCRIPTION: > PreStop is called immediately before a container is terminated. The > container is terminated after the handler completes. The reason for > termination is passed to the handler. Regardless of the outcome of the > handler, the container is eventually terminated. Other management of > the > container blocks until the hook completes. More info: http:// > releases.k8s.io/release-1.4/docs/user-guide/ > container-environment.md#hook-details/ > > Handler defines a specific action that should be taken > > FIELDS: > tcpSocket <Object> > TCPSocket specifies an action involving a TCP port. TCP hooks not yet > supported > > exec <Object> > One and only one of the following should be specified. Exec specifies > the > action to take. > > httpGet <Object> > HTTPGet specifies the http request to perform. > > > Note that "other management of he container blocks until the hook > completes" means other actions taken by kube against the pod. The grace > period still applies (you will be terminated after that duration). > > On Wed, Sep 7, 2016 at 9:54 PM, Frank Liauw <[email protected]> wrote: > >> Hi, >> >> I have a microservice that needs to be signalled before disposal (from >> say rolling deployments) so that it can shutdown gracefully. >> >> Is there a way to signal a pod that's impending for shutdown? >> >> Cheers >> >> Frank >> Systems Engineer >> >> VSee: [email protected] <http://vsee.com/u/tmd4RB> | Cell: +65 9338 0035 >> >> Join me on VSee for Free <http://vsee.com/u/tmd4RB> >> >> >> >> >> _______________________________________________ >> users mailing list >> [email protected] >> http://lists.openshift.redhat.com/openshiftmm/listinfo/users >> >> >
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