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Set appropriate probes and termination period.

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This commit is contained in:
Fabian Reinartz 2016-10-28 14:07:14 +02:00
parent c8b46e2106
commit 4d4c3162d4
1 changed files with 20 additions and 0 deletions

20
pkg/controller/deployment.go
View file

@ -6,6 +6,7 @@ import (
"github.com/coreos/kube-prometheus-controller/pkg/spec"
"k8s.io/client-go/1.5/pkg/api/v1"
"k8s.io/client-go/1.5/pkg/apis/extensions/v1beta1"
"k8s.io/client-go/1.5/pkg/util/intstr"
)
func makeDeployment(p *spec.Prometheus, old *v1beta1.Deployment) *v1beta1.Deployment {
@ -40,6 +41,10 @@ func makeDeployment(p *spec.Prometheus, old *v1beta1.Deployment) *v1beta1.Deploy
}
func makeDeploymentSpec(name, image string, replicas int32) v1beta1.DeploymentSpec {
// Prometheus may take quite long to shut down to checkpoint existing data.
// Allow up to 10 minutes for clean termination.
terminationGracePeriod := int64(600)
return v1beta1.DeploymentSpec{
Replicas: &replicas,
Template: v1.PodTemplateSpec{
@ -73,6 +78,20 @@ func makeDeploymentSpec(name, image string, replicas int32) v1beta1.DeploymentSp
MountPath: "/etc/prometheus",
},
},
ReadinessProbe: &v1.Probe{
Handler: v1.Handler{
HTTPGet: &v1.HTTPGetAction{
Path: "/status",
Port: intstr.FromString("web"),
},
},
InitialDelaySeconds: 1,
TimeoutSeconds: 3,
PeriodSeconds: 5,
// For larger servers, restoring a checkpoint on startup may take quite a bit of time.
// Wait up to 5 minutes.
FailureThreshold: 100,
},
}, {
Name: "reloader",
Image: "jimmidyson/configmap-reload",
@ -89,6 +108,7 @@ func makeDeploymentSpec(name, image string, replicas int32) v1beta1.DeploymentSp
},
},
},
TerminationGracePeriodSeconds: &terminationGracePeriod,
Volumes: []v1.Volume{
{
Name: "config-volume",