mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-07-23 11:50:44 +00:00
Refactor Kubelet config validation tests
This commit is contained in:
shuheiktgw
parent
35ad91ab37
commit
2acdaeb361
@ -68,7 +68,7 @@ func TestValidateReservedMemoryConfiguration(t *testing.T) {
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},
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},
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},
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expectedError: fmt.Errorf("the reserved memory has a duplicate value for NUMA node %d and resource %q", 0, v1.ResourceMemory),
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expectedError: fmt.Errorf("invalid configuration: the reserved memory has a duplicate value for NUMA node %d and resource %q", 0, v1.ResourceMemory),
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},
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{
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description: "The reserved memory has unsupported limit type",
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@ -82,7 +82,7 @@ func TestValidateReservedMemoryConfiguration(t *testing.T) {
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},
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},
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},
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expectedError: fmt.Errorf("the limit type %q for NUMA node %d is not supported, only [memory hugepages-<HugePageSize>] is accepted", "blabla", 0),
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expectedError: fmt.Errorf("invalid configuration: the limit type %q for NUMA node %d is not supported, only [memory hugepages-<HugePageSize>] is accepted", "blabla", 0),
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},
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{
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description: "The reserved memory has limit type with zero value",
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@ -96,7 +96,7 @@ func TestValidateReservedMemoryConfiguration(t *testing.T) {
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},
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},
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},
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expectedError: fmt.Errorf("reserved memory may not be zero for NUMA node %d and resource %q", 0, v1.ResourceMemory),
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expectedError: fmt.Errorf("invalid configuration: reserved memory may not be zero for NUMA node %d and resource %q", 0, v1.ResourceMemory),
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},
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}
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@ -14,22 +14,23 @@ See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package validation
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package validation_test
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import (
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"strings"
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"testing"
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"time"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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utilerrors "k8s.io/apimachinery/pkg/util/errors"
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componentbaseconfig "k8s.io/component-base/config"
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kubeletconfig "k8s.io/kubernetes/pkg/kubelet/apis/config"
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"k8s.io/kubernetes/pkg/kubelet/apis/config/validation"
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kubetypes "k8s.io/kubernetes/pkg/kubelet/types"
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utilpointer "k8s.io/utils/pointer"
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)
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func TestValidateKubeletConfiguration(t *testing.T) {
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successCase1 := &kubeletconfig.KubeletConfiguration{
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var (
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successConfig = kubeletconfig.KubeletConfiguration{
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CgroupsPerQOS: true,
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EnforceNodeAllocatable: []string{"pods", "system-reserved", "kube-reserved"},
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SystemReservedCgroup: "/system.slice",
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@ -70,200 +71,440 @@ func TestValidateKubeletConfiguration(t *testing.T) {
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Format: "text",
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},
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}
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if allErrors := ValidateKubeletConfiguration(successCase1); allErrors != nil {
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t.Errorf("expect no errors, got %v", allErrors)
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}
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)
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successCase2 := &kubeletconfig.KubeletConfiguration{
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CgroupsPerQOS: true,
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EnforceNodeAllocatable: []string{"pods"},
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SystemReservedCgroup: "",
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KubeReservedCgroup: "",
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SystemCgroups: "",
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CgroupRoot: "",
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EventBurst: 10,
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EventRecordQPS: 5,
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HealthzPort: 10248,
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ImageGCHighThresholdPercent: 85,
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ImageGCLowThresholdPercent: 80,
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IPTablesDropBit: 15,
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IPTablesMasqueradeBit: 14,
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KubeAPIBurst: 10,
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KubeAPIQPS: 5,
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MaxOpenFiles: 1000000,
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MaxPods: 110,
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OOMScoreAdj: -999,
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PodsPerCore: 100,
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Port: 65535,
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ReadOnlyPort: 0,
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RegistryBurst: 10,
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RegistryPullQPS: 5,
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HairpinMode: kubeletconfig.PromiscuousBridge,
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NodeLeaseDurationSeconds: 1,
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CPUCFSQuotaPeriod: metav1.Duration{Duration: 50 * time.Millisecond},
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ReservedSystemCPUs: "0-3",
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TopologyManagerScope: kubeletconfig.ContainerTopologyManagerScope,
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TopologyManagerPolicy: kubeletconfig.NoneTopologyManagerPolicy,
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ShutdownGracePeriod: metav1.Duration{Duration: 10 * time.Minute},
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ShutdownGracePeriodCriticalPods: metav1.Duration{Duration: 0},
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MemoryThrottlingFactor: utilpointer.Float64Ptr(0.9),
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FeatureGates: map[string]bool{
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"CustomCPUCFSQuotaPeriod": true,
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"MemoryQoS": true,
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"GracefulNodeShutdownBasedOnPodPriority": true,
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},
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Logging: componentbaseconfig.LoggingConfiguration{
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Format: "text",
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},
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}
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if allErrors := ValidateKubeletConfiguration(successCase2); allErrors != nil {
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t.Errorf("expect no errors, got %v", allErrors)
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}
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successCase3 := &kubeletconfig.KubeletConfiguration{
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CgroupsPerQOS: true,
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EnforceNodeAllocatable: []string{"pods"},
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SystemReservedCgroup: "",
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KubeReservedCgroup: "",
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SystemCgroups: "",
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CgroupRoot: "",
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EventBurst: 10,
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EventRecordQPS: 5,
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HealthzPort: 10248,
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ImageGCHighThresholdPercent: 85,
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ImageGCLowThresholdPercent: 80,
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IPTablesDropBit: 15,
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IPTablesMasqueradeBit: 14,
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KubeAPIBurst: 10,
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KubeAPIQPS: 5,
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MaxOpenFiles: 1000000,
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MaxPods: 110,
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OOMScoreAdj: -999,
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PodsPerCore: 100,
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Port: 65535,
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ReadOnlyPort: 0,
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RegistryBurst: 10,
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RegistryPullQPS: 5,
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HairpinMode: kubeletconfig.PromiscuousBridge,
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NodeLeaseDurationSeconds: 1,
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CPUCFSQuotaPeriod: metav1.Duration{Duration: 50 * time.Millisecond},
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ReservedSystemCPUs: "0-3",
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TopologyManagerScope: kubeletconfig.ContainerTopologyManagerScope,
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TopologyManagerPolicy: kubeletconfig.NoneTopologyManagerPolicy,
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ShutdownGracePeriod: metav1.Duration{Duration: 0},
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ShutdownGracePeriodCriticalPods: metav1.Duration{Duration: 0},
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ShutdownGracePeriodByPodPriority: []kubeletconfig.ShutdownGracePeriodByPodPriority{
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{
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Priority: 0,
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ShutdownGracePeriodSeconds: 10,
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func TestValidateKubeletConfiguration(t *testing.T) {
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cases := []struct {
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name string
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configure func(config *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration
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errMsg string
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}{
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{
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name: "Success",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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return conf
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},
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},
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MemorySwap: kubeletconfig.MemorySwapConfiguration{SwapBehavior: kubetypes.UnlimitedSwap},
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MemoryThrottlingFactor: utilpointer.Float64Ptr(0.5),
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FeatureGates: map[string]bool{
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"CustomCPUCFSQuotaPeriod": true,
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"GracefulNodeShutdown": true,
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"GracefulNodeShutdownBasedOnPodPriority": true,
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"NodeSwap": true,
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"MemoryQoS": true,
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},
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Logging: componentbaseconfig.LoggingConfiguration{
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Format: "text",
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},
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}
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if allErrors := ValidateKubeletConfiguration(successCase3); allErrors != nil {
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t.Errorf("expect no errors, got %v", allErrors)
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}
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errorCase1 := &kubeletconfig.KubeletConfiguration{
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CgroupsPerQOS: false,
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EnforceNodeAllocatable: []string{"pods", "system-reserved", "kube-reserved", "illegal-key"},
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SystemCgroups: "/",
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CgroupRoot: "",
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EventBurst: -10,
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EventRecordQPS: -10,
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HealthzPort: -10,
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ImageGCHighThresholdPercent: 101,
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ImageGCLowThresholdPercent: 101,
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IPTablesDropBit: -10,
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IPTablesMasqueradeBit: -10,
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KubeAPIBurst: -10,
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KubeAPIQPS: -10,
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MaxOpenFiles: -10,
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MaxPods: -10,
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OOMScoreAdj: -1001,
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PodsPerCore: -10,
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Port: 0,
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ReadOnlyPort: -10,
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RegistryBurst: -10,
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RegistryPullQPS: -10,
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HairpinMode: "foo",
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NodeLeaseDurationSeconds: -1,
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CPUCFSQuotaPeriod: metav1.Duration{Duration: 100 * time.Millisecond},
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ShutdownGracePeriod: metav1.Duration{Duration: 30 * time.Second},
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ShutdownGracePeriodCriticalPods: metav1.Duration{Duration: 60 * time.Second},
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ShutdownGracePeriodByPodPriority: []kubeletconfig.ShutdownGracePeriodByPodPriority{
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{
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Priority: 0,
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ShutdownGracePeriodSeconds: 10,
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{
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name: "invalid NodeLeaseDurationSeconds",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.NodeLeaseDurationSeconds = 0
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return conf
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},
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errMsg: "invalid configuration: nodeLeaseDurationSeconds must be greater than 0",
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},
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Logging: componentbaseconfig.LoggingConfiguration{
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Format: "",
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{
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name: "specify EnforceNodeAllocatable without enabling CgroupsPerQOS",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.CgroupsPerQOS = false
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conf.EnforceNodeAllocatable = []string{"pods"}
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return conf
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},
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errMsg: "invalid configuration: enforceNodeAllocatable (--enforce-node-allocatable) is not supported unless cgroupsPerQOS (--cgroups-per-qos) is set to true",
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},
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{
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name: "specify SystemCgroups without CgroupRoot",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.SystemCgroups = "/"
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conf.CgroupRoot = ""
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return conf
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},
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errMsg: "invalid configuration: systemCgroups (--system-cgroups) was specified and cgroupRoot (--cgroup-root) was not specified",
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},
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{
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name: "invalid EventBurst",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.EventBurst = -1
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return conf
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},
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errMsg: "invalid configuration: eventBurst (--event-burst) -1 must not be a negative number",
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},
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{
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name: "invalid EventRecordQPS",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.EventRecordQPS = -1
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return conf
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},
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errMsg: "invalid configuration: eventRecordQPS (--event-qps) -1 must not be a negative number",
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},
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{
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name: "invalid HealthzPort",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.HealthzPort = 65536
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return conf
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},
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errMsg: "invalid configuration: healthzPort (--healthz-port) 65536 must be between 1 and 65535, inclusive",
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},
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{
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name: "specify CPUCFSQuotaPeriod without enabling CPUCFSQuotaPeriod",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.FeatureGates = map[string]bool{"CustomCPUCFSQuotaPeriod": false}
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conf.CPUCFSQuotaPeriod = metav1.Duration{Duration: 200 * time.Millisecond}
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return conf
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},
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errMsg: "invalid configuration: cpuCFSQuotaPeriod (--cpu-cfs-quota-period) {200ms} requires feature gate CustomCPUCFSQuotaPeriod",
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},
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{
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name: "invalid CPUCFSQuotaPeriod",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.FeatureGates = map[string]bool{"CustomCPUCFSQuotaPeriod": true}
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conf.CPUCFSQuotaPeriod = metav1.Duration{Duration: 2 * time.Second}
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return conf
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},
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errMsg: "invalid configuration: cpuCFSQuotaPeriod (--cpu-cfs-quota-period) {2s} must be between 1usec and 1sec, inclusive",
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},
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{
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name: "invalid ImageGCHighThresholdPercent",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.ImageGCHighThresholdPercent = 101
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return conf
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},
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errMsg: "invalid configuration: imageGCHighThresholdPercent (--image-gc-high-threshold) 101 must be between 0 and 100, inclusive",
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},
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{
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name: "invalid ImageGCLowThresholdPercent",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.ImageGCLowThresholdPercent = -1
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return conf
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},
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errMsg: "invalid configuration: imageGCLowThresholdPercent (--image-gc-low-threshold) -1 must be between 0 and 100, inclusive",
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},
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{
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name: "ImageGCLowThresholdPercent is equal to ImageGCHighThresholdPercent",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.ImageGCHighThresholdPercent = 0
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conf.ImageGCLowThresholdPercent = 0
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return conf
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},
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errMsg: "invalid configuration: imageGCLowThresholdPercent (--image-gc-low-threshold) 0 must be less than imageGCHighThresholdPercent (--image-gc-high-threshold) 0",
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},
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{
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name: "ImageGCLowThresholdPercent is greater than ImageGCHighThresholdPercent",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.ImageGCHighThresholdPercent = 0
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conf.ImageGCLowThresholdPercent = 1
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return conf
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},
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errMsg: "invalid configuration: imageGCLowThresholdPercent (--image-gc-low-threshold) 1 must be less than imageGCHighThresholdPercent (--image-gc-high-threshold) 0",
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},
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{
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name: "invalid IPTablesDropBit",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.IPTablesDropBit = 32
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return conf
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},
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errMsg: "invalid configuration: iptablesDropBit (--iptables-drop-bit) 32 must be between 0 and 31, inclusive",
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},
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{
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name: "invalid IPTablesMasqueradeBit",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.IPTablesMasqueradeBit = 32
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return conf
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},
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errMsg: "invalid configuration: iptablesMasqueradeBit (--iptables-masquerade-bit) 32 must be between 0 and 31, inclusive",
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},
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{
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name: "invalid KubeAPIBurst",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.KubeAPIBurst = -1
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return conf
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},
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errMsg: "invalid configuration: kubeAPIBurst (--kube-api-burst) -1 must not be a negative number",
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},
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{
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name: "invalid KubeAPIQPS",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.KubeAPIQPS = -1
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return conf
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},
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errMsg: "invalid configuration: kubeAPIQPS (--kube-api-qps) -1 must not be a negative number",
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},
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{
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name: "invalid NodeStatusMaxImages",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.NodeStatusMaxImages = -2
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return conf
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},
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errMsg: "invalid configuration: nodeStatusMaxImages (--node-status-max-images) -2 must be -1 or greater",
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},
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{
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name: "invalid MaxOpenFiles",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.MaxOpenFiles = -1
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return conf
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},
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errMsg: "invalid configuration: maxOpenFiles (--max-open-files) -1 must not be a negative number",
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},
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{
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name: "invalid MaxPods",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.MaxPods = -1
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return conf
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},
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errMsg: "invalid configuration: maxPods (--max-pods) -1 must not be a negative number",
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},
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{
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name: "invalid OOMScoreAdj",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.OOMScoreAdj = 1001
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return conf
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},
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errMsg: "invalid configuration: oomScoreAdj (--oom-score-adj) 1001 must be between -1000 and 1000, inclusive",
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},
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{
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name: "invalid PodsPerCore",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.PodsPerCore = -1
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return conf
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},
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errMsg: "invalid configuration: podsPerCore (--pods-per-core) -1 must not be a negative number",
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},
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{
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name: "invalid Port",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.Port = 65536
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return conf
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},
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errMsg: "invalid configuration: port (--port) 65536 must be between 1 and 65535, inclusive",
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},
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{
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name: "invalid ReadOnlyPort",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.ReadOnlyPort = 65536
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return conf
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},
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errMsg: "invalid configuration: readOnlyPort (--read-only-port) 65536 must be between 0 and 65535, inclusive",
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},
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{
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name: "invalid RegistryBurst",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.RegistryBurst = -1
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return conf
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},
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errMsg: "invalid configuration: registryBurst (--registry-burst) -1 must not be a negative number",
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},
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{
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name: "invalid RegistryPullQPS",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.RegistryPullQPS = -1
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return conf
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},
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errMsg: "invalid configuration: registryPullQPS (--registry-qps) -1 must not be a negative number",
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},
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{
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name: "specify ServerTLSBootstrap without enabling RotateKubeletServerCertificate",
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configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
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conf.FeatureGates = map[string]bool{"RotateKubeletServerCertificate": false}
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conf.ServerTLSBootstrap = true
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return conf
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},
|
||||
errMsg: "invalid configuration: serverTLSBootstrap true requires feature gate RotateKubeletServerCertificate",
|
||||
},
|
||||
{
|
||||
name: "use SingleNumaNodeTopologyManagerPolicy without enabling TopologyManager",
|
||||
configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
|
||||
conf.FeatureGates = map[string]bool{"TopologyManager": false}
|
||||
conf.TopologyManagerPolicy = kubeletconfig.SingleNumaNodeTopologyManagerPolicy
|
||||
return conf
|
||||
},
|
||||
errMsg: "invalid configuration: topologyManagerPolicy single-numa-node requires feature gate TopologyManager",
|
||||
},
|
||||
{
|
||||
name: "invalid TopologyManagerPolicy",
|
||||
configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
|
||||
conf.TopologyManagerPolicy = "invalid-policy"
|
||||
return conf
|
||||
},
|
||||
errMsg: "invalid configuration: topologyManagerPolicy (--topology-manager-policy) \"invalid-policy\" must be one of: [\"none\" \"best-effort\" \"restricted\" \"single-numa-node\"]",
|
||||
},
|
||||
{
|
||||
name: "use PodTopologyManagerScope without enabling TopologyManager",
|
||||
configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
|
||||
conf.FeatureGates = map[string]bool{"TopologyManager": false}
|
||||
conf.TopologyManagerScope = kubeletconfig.PodTopologyManagerScope
|
||||
return conf
|
||||
},
|
||||
errMsg: "invalid configuration: topologyManagerScope pod requires feature gate TopologyManager",
|
||||
},
|
||||
{
|
||||
name: "invalid TopologyManagerScope",
|
||||
configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
|
||||
conf.TopologyManagerScope = "invalid-scope"
|
||||
return conf
|
||||
},
|
||||
errMsg: "invalid configuration: topologyManagerScope (--topology-manager-scope) \"invalid-scope\" must be one of: \"container\", or \"pod\"",
|
||||
},
|
||||
{
|
||||
name: "ShutdownGracePeriodCriticalPods is greater than ShutdownGracePeriod",
|
||||
configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
|
||||
conf.FeatureGates = map[string]bool{"GracefulNodeShutdown": true}
|
||||
conf.ShutdownGracePeriodCriticalPods = metav1.Duration{Duration: 2 * time.Second}
|
||||
conf.ShutdownGracePeriod = metav1.Duration{Duration: 1 * time.Second}
|
||||
return conf
|
||||
},
|
||||
errMsg: "invalid configuration: shutdownGracePeriodCriticalPods {2s} must be <= shutdownGracePeriod {1s}",
|
||||
},
|
||||
{
|
||||
name: "ShutdownGracePeriod is less than 1 sec",
|
||||
configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
|
||||
conf.FeatureGates = map[string]bool{"GracefulNodeShutdown": true}
|
||||
conf.ShutdownGracePeriod = metav1.Duration{Duration: 1 * time.Millisecond}
|
||||
return conf
|
||||
},
|
||||
errMsg: "invalid configuration: shutdownGracePeriod {1ms} must be either zero or otherwise >= 1 sec",
|
||||
},
|
||||
{
|
||||
name: "ShutdownGracePeriodCriticalPods is less than 1 sec",
|
||||
configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
|
||||
conf.FeatureGates = map[string]bool{"GracefulNodeShutdown": true}
|
||||
conf.ShutdownGracePeriodCriticalPods = metav1.Duration{Duration: 1 * time.Millisecond}
|
||||
return conf
|
||||
},
|
||||
errMsg: "invalid configuration: shutdownGracePeriodCriticalPods {1ms} must be either zero or otherwise >= 1 sec",
|
||||
},
|
||||
{
|
||||
name: "specify ShutdownGracePeriod without enabling GracefulNodeShutdown",
|
||||
configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
|
||||
conf.FeatureGates = map[string]bool{"GracefulNodeShutdown": false}
|
||||
conf.ShutdownGracePeriod = metav1.Duration{Duration: 1 * time.Second}
|
||||
return conf
|
||||
},
|
||||
errMsg: "invalid configuration: specifying shutdownGracePeriod or shutdownGracePeriodCriticalPods requires feature gate GracefulNodeShutdown",
|
||||
},
|
||||
{
|
||||
name: "specify ShutdownGracePeriodCriticalPods without enabling GracefulNodeShutdown",
|
||||
configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
|
||||
conf.FeatureGates = map[string]bool{"GracefulNodeShutdown": false}
|
||||
conf.ShutdownGracePeriodCriticalPods = metav1.Duration{Duration: 1 * time.Second}
|
||||
return conf
|
||||
},
|
||||
errMsg: "invalid configuration: specifying shutdownGracePeriod or shutdownGracePeriodCriticalPods requires feature gate GracefulNodeShutdown",
|
||||
},
|
||||
{
|
||||
name: "invalid MemorySwap.SwapBehavior",
|
||||
configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
|
||||
conf.FeatureGates = map[string]bool{"NodeSwap": true}
|
||||
conf.MemorySwap.SwapBehavior = "invalid-behavior"
|
||||
return conf
|
||||
},
|
||||
errMsg: "invalid configuration: memorySwap.swapBehavior \"invalid-behavior\" must be one of: \"\", \"LimitedSwap\", or \"UnlimitedSwap\"",
|
||||
},
|
||||
{
|
||||
name: "specify MemorySwap.SwapBehavior without enabling NodeSwap",
|
||||
configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
|
||||
conf.FeatureGates = map[string]bool{"NodeSwap": false}
|
||||
conf.MemorySwap.SwapBehavior = kubetypes.LimitedSwap
|
||||
return conf
|
||||
},
|
||||
errMsg: "invalid configuration: memorySwap.swapBehavior cannot be set when NodeSwap feature flag is disabled",
|
||||
},
|
||||
{
|
||||
name: "specify SystemReservedEnforcementKey without specifying SystemReservedCgroup",
|
||||
configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
|
||||
conf.EnforceNodeAllocatable = []string{kubetypes.SystemReservedEnforcementKey}
|
||||
conf.SystemReservedCgroup = ""
|
||||
return conf
|
||||
},
|
||||
errMsg: "invalid configuration: systemReservedCgroup (--system-reserved-cgroup) must be specified when \"system-reserved\" contained in enforceNodeAllocatable (--enforce-node-allocatable)",
|
||||
},
|
||||
{
|
||||
name: "specify KubeReservedEnforcementKey without specifying KubeReservedCgroup",
|
||||
configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
|
||||
conf.EnforceNodeAllocatable = []string{kubetypes.KubeReservedEnforcementKey}
|
||||
conf.KubeReservedCgroup = ""
|
||||
return conf
|
||||
},
|
||||
errMsg: "invalid configuration: kubeReservedCgroup (--kube-reserved-cgroup) must be specified when \"kube-reserved\" contained in enforceNodeAllocatable (--enforce-node-allocatable)",
|
||||
},
|
||||
{
|
||||
name: "specify NodeAllocatableNoneKey with additional enforcements",
|
||||
configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
|
||||
conf.EnforceNodeAllocatable = []string{kubetypes.NodeAllocatableNoneKey, kubetypes.KubeReservedEnforcementKey}
|
||||
return conf
|
||||
},
|
||||
errMsg: "invalid configuration: enforceNodeAllocatable (--enforce-node-allocatable) may not contain additional enforcements when \"none\" is specified",
|
||||
},
|
||||
{
|
||||
name: "invalid EnforceNodeAllocatable",
|
||||
configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
|
||||
conf.EnforceNodeAllocatable = []string{"invalid-enforce-node-allocatable"}
|
||||
return conf
|
||||
},
|
||||
errMsg: "invalid configuration: option \"invalid-enforce-node-allocatable\" specified for enforceNodeAllocatable (--enforce-node-allocatable). Valid options are \"pods\", \"system-reserved\", \"kube-reserved\", or \"none\"",
|
||||
},
|
||||
{
|
||||
name: "invalid HairpinMode",
|
||||
configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
|
||||
conf.HairpinMode = "invalid-hair-pin-mode"
|
||||
return conf
|
||||
},
|
||||
errMsg: "invalid configuration: option \"invalid-hair-pin-mode\" specified for hairpinMode (--hairpin-mode). Valid options are \"none\", \"hairpin-veth\" or \"promiscuous-bridge\"",
|
||||
},
|
||||
{
|
||||
name: "specify ReservedSystemCPUs with SystemReservedCgroup",
|
||||
configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
|
||||
conf.ReservedSystemCPUs = "0-3"
|
||||
conf.SystemReservedCgroup = "/system.slice"
|
||||
return conf
|
||||
},
|
||||
errMsg: "invalid configuration: can't use reservedSystemCPUs (--reserved-cpus) with systemReservedCgroup (--system-reserved-cgroup) or kubeReservedCgroup (--kube-reserved-cgroup)",
|
||||
},
|
||||
{
|
||||
name: "specify ReservedSystemCPUs with KubeReservedCgroup",
|
||||
configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
|
||||
conf.ReservedSystemCPUs = "0-3"
|
||||
conf.KubeReservedCgroup = "/system.slice"
|
||||
return conf
|
||||
},
|
||||
errMsg: "invalid configuration: can't use reservedSystemCPUs (--reserved-cpus) with systemReservedCgroup (--system-reserved-cgroup) or kubeReservedCgroup (--kube-reserved-cgroup)",
|
||||
},
|
||||
{
|
||||
name: "invalid ReservedSystemCPUs",
|
||||
configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
|
||||
conf.ReservedSystemCPUs = "invalid-reserved-system-cpus"
|
||||
return conf
|
||||
},
|
||||
errMsg: "invalid configuration: unable to parse reservedSystemCPUs (--reserved-cpus) invalid-reserved-system-cpus, error:",
|
||||
},
|
||||
{
|
||||
name: "enable MemoryQoS without specifying MemoryThrottlingFactor",
|
||||
configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
|
||||
conf.FeatureGates = map[string]bool{"MemoryQoS": true}
|
||||
conf.MemoryThrottlingFactor = nil
|
||||
return conf
|
||||
},
|
||||
errMsg: "invalid configuration: memoryThrottlingFactor is required when MemoryQoS feature flag is enabled",
|
||||
},
|
||||
{
|
||||
name: "invalid MemoryThrottlingFactor",
|
||||
configure: func(conf *kubeletconfig.KubeletConfiguration) *kubeletconfig.KubeletConfiguration {
|
||||
conf.MemoryThrottlingFactor = utilpointer.Float64(1.1)
|
||||
return conf
|
||||
},
|
||||
errMsg: "invalid configuration: memoryThrottlingFactor 1.1 must be greater than 0 and less than or equal to 1.0",
|
||||
},
|
||||
MemorySwap: kubeletconfig.MemorySwapConfiguration{SwapBehavior: kubetypes.UnlimitedSwap},
|
||||
}
|
||||
const numErrsErrorCase1 = 31
|
||||
if allErrors := ValidateKubeletConfiguration(errorCase1); len(allErrors.(utilerrors.Aggregate).Errors()) != numErrsErrorCase1 {
|
||||
t.Errorf("expect %d errors, got %v", numErrsErrorCase1, len(allErrors.(utilerrors.Aggregate).Errors()))
|
||||
}
|
||||
|
||||
errorCase2 := &kubeletconfig.KubeletConfiguration{
|
||||
CgroupsPerQOS: true,
|
||||
EnforceNodeAllocatable: []string{"pods", "system-reserved", "kube-reserved"},
|
||||
SystemReservedCgroup: "/system.slice",
|
||||
KubeReservedCgroup: "/kubelet.service",
|
||||
SystemCgroups: "",
|
||||
CgroupRoot: "",
|
||||
EventBurst: 10,
|
||||
EventRecordQPS: 5,
|
||||
HealthzPort: 10248,
|
||||
ImageGCHighThresholdPercent: 85,
|
||||
ImageGCLowThresholdPercent: 80,
|
||||
IPTablesDropBit: 15,
|
||||
IPTablesMasqueradeBit: 14,
|
||||
KubeAPIBurst: 10,
|
||||
KubeAPIQPS: 5,
|
||||
MaxOpenFiles: 1000000,
|
||||
MaxPods: 110,
|
||||
OOMScoreAdj: -999,
|
||||
PodsPerCore: 100,
|
||||
Port: 65535,
|
||||
ReadOnlyPort: 0,
|
||||
RegistryBurst: 10,
|
||||
RegistryPullQPS: 5,
|
||||
HairpinMode: kubeletconfig.PromiscuousBridge,
|
||||
NodeLeaseDurationSeconds: 1,
|
||||
CPUCFSQuotaPeriod: metav1.Duration{Duration: 50 * time.Millisecond},
|
||||
ReservedSystemCPUs: "0-3",
|
||||
TopologyManagerScope: "invalid",
|
||||
TopologyManagerPolicy: "invalid",
|
||||
ShutdownGracePeriod: metav1.Duration{Duration: 40 * time.Second},
|
||||
ShutdownGracePeriodCriticalPods: metav1.Duration{Duration: 10 * time.Second},
|
||||
MemorySwap: kubeletconfig.MemorySwapConfiguration{SwapBehavior: "invalid"},
|
||||
MemoryThrottlingFactor: utilpointer.Float64Ptr(1.1),
|
||||
FeatureGates: map[string]bool{
|
||||
"CustomCPUCFSQuotaPeriod": true,
|
||||
"GracefulNodeShutdown": true,
|
||||
"NodeSwap": true,
|
||||
"MemoryQoS": true,
|
||||
},
|
||||
Logging: componentbaseconfig.LoggingConfiguration{
|
||||
Format: "text",
|
||||
},
|
||||
}
|
||||
const numErrsErrorCase2 = 5
|
||||
if allErrors := ValidateKubeletConfiguration(errorCase2); len(allErrors.(utilerrors.Aggregate).Errors()) != numErrsErrorCase2 {
|
||||
t.Errorf("expect %d errors, got %v", numErrsErrorCase2, len(allErrors.(utilerrors.Aggregate).Errors()))
|
||||
for _, tc := range cases {
|
||||
t.Run(tc.name, func(t *testing.T) {
|
||||
errs := validation.ValidateKubeletConfiguration(tc.configure(successConfig.DeepCopy()))
|
||||
|
||||
if len(tc.errMsg) == 0 {
|
||||
if errs != nil {
|
||||
t.Errorf("unexpected error: %s", errs)
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
if errs == nil {
|
||||
t.Errorf("expected error: %s", tc.errMsg)
|
||||
return
|
||||
}
|
||||
|
||||
if got := errs.Error(); !strings.Contains(got, tc.errMsg) {
|
||||
t.Errorf("unexpected error: %s expected to contain %s", got, tc.errMsg)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user