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Unittests for cilium k8sd feature (#704)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,273 @@ | ||
| package cilium_test | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
| "fmt" | ||
| "testing" | ||
|
|
||
| "github.com/canonical/k8s/pkg/client/helm" | ||
| helmmock "github.com/canonical/k8s/pkg/client/helm/mock" | ||
| "github.com/canonical/k8s/pkg/client/kubernetes" | ||
| "github.com/canonical/k8s/pkg/k8sd/features/cilium" | ||
| "github.com/canonical/k8s/pkg/k8sd/types" | ||
| snapmock "github.com/canonical/k8s/pkg/snap/mock" | ||
|
|
||
| . "github.com/onsi/gomega" | ||
| v1 "k8s.io/api/apps/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/client-go/kubernetes/fake" | ||
| "k8s.io/utils/ptr" | ||
| ) | ||
|
|
||
| func TestGatewayEnabled(t *testing.T) { | ||
| t.Run("HelmApplyErr", func(t *testing.T) { | ||
| g := NewWithT(t) | ||
|
|
||
| applyErr := errors.New("failed to apply") | ||
| helmM := &helmmock.Mock{ | ||
| ApplyErr: applyErr, | ||
| } | ||
| snapM := &snapmock.Snap{ | ||
| Mock: snapmock.Mock{ | ||
| HelmClient: helmM, | ||
| }, | ||
| } | ||
| network := types.Network{} | ||
| gateway := types.Gateway{ | ||
| Enabled: ptr.To(true), | ||
| } | ||
|
|
||
| status, err := cilium.ApplyGateway(context.Background(), snapM, gateway, network, nil) | ||
|
|
||
| g.Expect(err).To(HaveOccurred()) | ||
| g.Expect(err).To(MatchError(applyErr)) | ||
| g.Expect(status.Enabled).To(BeFalse()) | ||
| g.Expect(status.Version).To(Equal(cilium.CiliumAgentImageTag)) | ||
| g.Expect(status.Message).To(Equal(fmt.Sprintf(cilium.GatewayDeployFailedMsgTmpl, err))) | ||
| g.Expect(helmM.ApplyCalledWith).To(HaveLen(1)) | ||
| }) | ||
|
|
||
| t.Run("AlreadyDeployed", func(t *testing.T) { | ||
| g := NewWithT(t) | ||
|
|
||
| helmM := &helmmock.Mock{ | ||
| ApplyChanged: false, | ||
| } | ||
| snapM := &snapmock.Snap{ | ||
| Mock: snapmock.Mock{ | ||
| HelmClient: helmM, | ||
| }, | ||
| } | ||
| network := types.Network{} | ||
| gateway := types.Gateway{ | ||
| Enabled: ptr.To(true), | ||
| } | ||
|
|
||
| status, err := cilium.ApplyGateway(context.Background(), snapM, gateway, network, nil) | ||
|
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||
| g.Expect(err).NotTo(HaveOccurred()) | ||
| g.Expect(status.Enabled).To(BeTrue()) | ||
| g.Expect(status.Version).To(Equal(cilium.CiliumAgentImageTag)) | ||
| g.Expect(status.Message).To(Equal(cilium.EnabledMsg)) | ||
|
|
||
| helmCiliumArgs := helmM.ApplyCalledWith[2] | ||
| g.Expect(helmCiliumArgs.Chart).To(Equal(cilium.ChartCilium)) | ||
| g.Expect(helmCiliumArgs.State).To(Equal(helm.StateUpgradeOnly)) | ||
| g.Expect(helmCiliumArgs.Values["gatewayAPI"].(map[string]any)["enabled"]).To(Equal(true)) | ||
| }) | ||
|
|
||
| t.Run("RolloutFail", func(t *testing.T) { | ||
| g := NewWithT(t) | ||
|
|
||
| helmM := &helmmock.Mock{ | ||
| ApplyChanged: true, | ||
| } | ||
| clientset := fake.NewSimpleClientset() | ||
| snapM := &snapmock.Snap{ | ||
| Mock: snapmock.Mock{ | ||
| HelmClient: helmM, | ||
| KubernetesClient: &kubernetes.Client{ | ||
| Interface: clientset, | ||
| }, | ||
| }, | ||
| } | ||
| network := types.Network{} | ||
| gateway := types.Gateway{ | ||
| Enabled: ptr.To(true), | ||
| } | ||
|
|
||
| status, err := cilium.ApplyGateway(context.Background(), snapM, gateway, network, nil) | ||
|
|
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| g.Expect(err).To(HaveOccurred()) | ||
| g.Expect(status.Enabled).To(BeFalse()) | ||
| g.Expect(status.Version).To(Equal(cilium.CiliumAgentImageTag)) | ||
| g.Expect(status.Message).To(Equal(fmt.Sprintf(cilium.GatewayDeployFailedMsgTmpl, err))) | ||
| }) | ||
|
|
||
| t.Run("Success", func(t *testing.T) { | ||
| g := NewWithT(t) | ||
|
|
||
| helmM := &helmmock.Mock{ | ||
| ApplyChanged: true, | ||
| } | ||
| clientset := fake.NewSimpleClientset( | ||
| &v1.Deployment{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: "cilium-operator", | ||
| Namespace: "kube-system", | ||
| }, | ||
| }, | ||
| &v1.DaemonSet{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: "cilium", | ||
| Namespace: "kube-system", | ||
| }, | ||
| }, | ||
| ) | ||
| snapM := &snapmock.Snap{ | ||
| Mock: snapmock.Mock{ | ||
| HelmClient: helmM, | ||
| KubernetesClient: &kubernetes.Client{ | ||
| Interface: clientset, | ||
| }, | ||
| }, | ||
| } | ||
| network := types.Network{} | ||
| gateway := types.Gateway{ | ||
| Enabled: ptr.To(true), | ||
| } | ||
|
|
||
| status, err := cilium.ApplyGateway(context.Background(), snapM, gateway, network, nil) | ||
|
|
||
| g.Expect(err).NotTo(HaveOccurred()) | ||
| g.Expect(status.Enabled).To(BeTrue()) | ||
| g.Expect(status.Version).To(Equal(cilium.CiliumAgentImageTag)) | ||
| g.Expect(status.Message).To(Equal(cilium.EnabledMsg)) | ||
| }) | ||
|
|
||
| } | ||
|
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| func TestGatewayDisabled(t *testing.T) { | ||
| t.Run("HelmApplyErr", func(t *testing.T) { | ||
| g := NewWithT(t) | ||
|
|
||
| applyErr := errors.New("failed to apply") | ||
| helmM := &helmmock.Mock{ | ||
| ApplyErr: applyErr, | ||
| } | ||
| snapM := &snapmock.Snap{ | ||
| Mock: snapmock.Mock{ | ||
| HelmClient: helmM, | ||
| }, | ||
| } | ||
| network := types.Network{} | ||
| gateway := types.Gateway{ | ||
| Enabled: ptr.To(false), | ||
| } | ||
|
|
||
| status, err := cilium.ApplyGateway(context.Background(), snapM, gateway, network, nil) | ||
|
|
||
| g.Expect(err).To(HaveOccurred()) | ||
| g.Expect(err).To(MatchError(applyErr)) | ||
| g.Expect(status.Enabled).To(BeFalse()) | ||
| g.Expect(status.Version).To(Equal(cilium.CiliumAgentImageTag)) | ||
| g.Expect(status.Message).To(Equal(fmt.Sprintf(cilium.GatewayDeleteFailedMsgTmpl, err))) | ||
| g.Expect(helmM.ApplyCalledWith).To(HaveLen(1)) | ||
| }) | ||
|
|
||
| t.Run("AlreadyDeleted", func(t *testing.T) { | ||
| g := NewWithT(t) | ||
|
|
||
| helmM := &helmmock.Mock{ | ||
| ApplyChanged: false, | ||
| } | ||
| snapM := &snapmock.Snap{ | ||
| Mock: snapmock.Mock{ | ||
| HelmClient: helmM, | ||
| }, | ||
| } | ||
| network := types.Network{} | ||
| gateway := types.Gateway{ | ||
| Enabled: ptr.To(false), | ||
| } | ||
| status, err := cilium.ApplyGateway(context.Background(), snapM, gateway, network, nil) | ||
| g.Expect(err).NotTo(HaveOccurred()) | ||
| g.Expect(status.Enabled).To(BeFalse()) | ||
| g.Expect(status.Version).To(Equal(cilium.CiliumAgentImageTag)) | ||
| g.Expect(status.Message).To(Equal(cilium.DisabledMsg)) | ||
|
|
||
| helmCiliumArgs := helmM.ApplyCalledWith[1] | ||
| g.Expect(helmCiliumArgs.Chart).To(Equal(cilium.ChartCilium)) | ||
| g.Expect(helmCiliumArgs.State).To(Equal(helm.StateDeleted)) | ||
| g.Expect(helmCiliumArgs.Values["gatewayAPI"].(map[string]any)["enabled"]).To(Equal(false)) | ||
|
|
||
| }) | ||
|
|
||
| t.Run("RolloutFail", func(t *testing.T) { | ||
| g := NewWithT(t) | ||
|
|
||
| helmM := &helmmock.Mock{ | ||
| ApplyChanged: true, | ||
| } | ||
| clientset := fake.NewSimpleClientset() | ||
| snapM := &snapmock.Snap{ | ||
| Mock: snapmock.Mock{ | ||
| HelmClient: helmM, | ||
| KubernetesClient: &kubernetes.Client{ | ||
| Interface: clientset, | ||
| }, | ||
| }, | ||
| } | ||
| network := types.Network{} | ||
| gateway := types.Gateway{ | ||
| Enabled: ptr.To(false), | ||
| } | ||
| status, err := cilium.ApplyGateway(context.Background(), snapM, gateway, network, nil) | ||
| g.Expect(err).To(HaveOccurred()) | ||
| g.Expect(status.Enabled).To(BeFalse()) | ||
| g.Expect(status.Version).To(Equal(cilium.CiliumAgentImageTag)) | ||
| g.Expect(status.Message).To(Equal(fmt.Sprintf(cilium.GatewayDeployFailedMsgTmpl, err))) | ||
| }) | ||
|
|
||
| t.Run("Success", func(t *testing.T) { | ||
| g := NewWithT(t) | ||
|
|
||
| helmM := &helmmock.Mock{ | ||
| ApplyChanged: true, | ||
| } | ||
| clientset := fake.NewSimpleClientset( | ||
| &v1.Deployment{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: "cilium-operator", | ||
| Namespace: "kube-system", | ||
| }, | ||
| }, | ||
| &v1.DaemonSet{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: "cilium", | ||
| Namespace: "kube-system", | ||
| }, | ||
| }, | ||
| ) | ||
| snapM := &snapmock.Snap{ | ||
| Mock: snapmock.Mock{ | ||
| HelmClient: helmM, | ||
| KubernetesClient: &kubernetes.Client{ | ||
| Interface: clientset, | ||
| }, | ||
| }, | ||
| } | ||
| network := types.Network{} | ||
| gateway := types.Gateway{ | ||
| Enabled: ptr.To(false), | ||
| } | ||
|
|
||
| status, err := cilium.ApplyGateway(context.Background(), snapM, gateway, network, nil) | ||
|
|
||
| g.Expect(err).NotTo(HaveOccurred()) | ||
| g.Expect(status.Enabled).To(BeFalse()) | ||
| g.Expect(status.Version).To(Equal(cilium.CiliumAgentImageTag)) | ||
| g.Expect(status.Message).To(Equal(cilium.DisabledMsg)) | ||
| }) | ||
| } |
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