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adding pods to DeletePods parameters

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This commit is contained in:
Krzysztof Siedlecki
2019-09-30 13:55:19 +02:00
parent c5440829d5
commit 8f48896709
4 changed files with 44 additions and 19 deletions
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2
pkg/controller/nodelifecycle/BUILD
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@@ -9,6 +9,7 @@ go_library(
importpath = "k8s.io/kubernetes/pkg/controller/nodelifecycle",
visibility = ["//visibility:public"],
deps = [
"//pkg/apis/core:go_default_library",
"//pkg/controller:go_default_library",
"//pkg/controller/nodelifecycle/scheduler:go_default_library",
"//pkg/controller/util/node:go_default_library",
@@ -23,6 +24,7 @@ go_library(
"//staging/src/k8s.io/apimachinery/pkg/api/equality:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/api/errors:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/fields:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/labels:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/runtime:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/wait:go_default_library",

19
pkg/controller/nodelifecycle/node_lifecycle_controller.go
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@@ -34,6 +34,7 @@ import (
apiequality "k8s.io/apimachinery/pkg/api/equality"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/fields"
"k8s.io/apimachinery/pkg/labels"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/apimachinery/pkg/util/wait"
@@ -51,6 +52,7 @@ import (
"k8s.io/client-go/tools/record"
"k8s.io/client-go/util/flowcontrol"
"k8s.io/client-go/util/workqueue"
apicore "k8s.io/kubernetes/pkg/apis/core"
"k8s.io/kubernetes/pkg/controller"
"k8s.io/kubernetes/pkg/controller/nodelifecycle/scheduler"
nodeutil "k8s.io/kubernetes/pkg/controller/util/node"
@@ -673,7 +675,12 @@ func (nc *Controller) doEvictionPass() {
klog.Warningf("Failed to get Node %v from the nodeLister: %v", value.Value, err)
}
nodeUID, _ := value.UID.(string)
remaining, err := nodeutil.DeletePods(nc.kubeClient, nc.recorder, value.Value, nodeUID, nc.daemonSetStore)
pods, err := listPodsFromNode(nc.kubeClient, value.Value)
if err != nil {
utilruntime.HandleError(fmt.Errorf("unable to list pods from node %q: %v", value.Value, err))
return false, 0
}
remaining, err := nodeutil.DeletePods(nc.kubeClient, pods, nc.recorder, value.Value, nodeUID, nc.daemonSetStore)
if err != nil {
utilruntime.HandleError(fmt.Errorf("unable to evict node %q: %v", value.Value, err))
return false, 0
@@ -693,6 +700,16 @@ func (nc *Controller) doEvictionPass() {
}
}
func listPodsFromNode(kubeClient clientset.Interface, nodeName string) ([]v1.Pod, error) {
selector := fields.OneTermEqualSelector(apicore.PodHostField, nodeName).String()
options := metav1.ListOptions{FieldSelector: selector}
pods, err := kubeClient.CoreV1().Pods(metav1.NamespaceAll).List(options)
if err != nil {
return nil, err
}
return pods.Items, nil
}
// monitorNodeHealth verifies node health are constantly updated by kubelet, and
// if not, post "NodeReady==ConditionUnknown".
// For nodes who are not ready or not reachable for a long period of time.

18
pkg/controller/nodelifecycle/node_lifecycle_controller_test.go
View File

@@ -91,7 +91,11 @@ func (nc *nodeLifecycleController) doEviction(fakeNodeHandler *testutil.FakeNode
for _, zone := range zones {
nc.zonePodEvictor[zone].Try(func(value scheduler.TimedValue) (bool, time.Duration) {
uid, _ := value.UID.(string)
nodeutil.DeletePods(fakeNodeHandler, nc.recorder, value.Value, uid, nc.daemonSetStore)
pods, err := listPodsFromNode(fakeNodeHandler, value.Value)
if err != nil {
return false, 0
}
nodeutil.DeletePods(fakeNodeHandler, pods, nc.recorder, value.Value, uid, nc.daemonSetStore)
return true, 0
})
}
@@ -693,7 +697,11 @@ func TestMonitorNodeHealthEvictPods(t *testing.T) {
if _, ok := nodeController.zonePodEvictor[zone]; ok {
nodeController.zonePodEvictor[zone].Try(func(value scheduler.TimedValue) (bool, time.Duration) {
nodeUID, _ := value.UID.(string)
nodeutil.DeletePods(item.fakeNodeHandler, nodeController.recorder, value.Value, nodeUID, nodeController.daemonSetInformer.Lister())
pods, err := listPodsFromNode(item.fakeNodeHandler, value.Value)
if err != nil {
t.Errorf("unexpected error: %v", err)
}
nodeutil.DeletePods(item.fakeNodeHandler, pods, nodeController.recorder, value.Value, nodeUID, nodeController.daemonSetInformer.Lister())
return true, 0
})
} else {
@@ -846,7 +854,11 @@ func TestPodStatusChange(t *testing.T) {
for _, zone := range zones {
nodeController.zonePodEvictor[zone].Try(func(value scheduler.TimedValue) (bool, time.Duration) {
nodeUID, _ := value.UID.(string)
nodeutil.DeletePods(item.fakeNodeHandler, nodeController.recorder, value.Value, nodeUID, nodeController.daemonSetStore)
pods, err := listPodsFromNode(item.fakeNodeHandler, value.Value)
if err != nil {
t.Errorf("unexpected error: %v", err)
}
nodeutil.DeletePods(item.fakeNodeHandler, pods, nodeController.recorder, value.Value, nodeUID, nodeController.daemonSetStore)
return true, 0
})
}