OCPCLOUD-913 - Tests for webhook configurations provisioning by MAO #176
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,160 @@ | ||
| package framework | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
|
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| mapiv1 "github.com/openshift/machine-api-operator/pkg/apis/machine/v1beta1" | ||
| admissionregistrationv1 "k8s.io/api/admissionregistration/v1" | ||
| "k8s.io/apimachinery/pkg/api/equality" | ||
| apierrors "k8s.io/apimachinery/pkg/api/errors" | ||
| "k8s.io/apimachinery/pkg/util/wait" | ||
| "k8s.io/klog" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| ) | ||
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| // DefaultValidatingWebhookConfiguration is a default validating webhook configuration resource provided by MAO | ||
| var DefaultValidatingWebhookConfiguration = mapiv1.NewValidatingWebhookConfiguration() | ||
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| // DefaultMutatingWebhookConfiguration is a default mutating webhook configuration resource provided by MAO | ||
| var DefaultMutatingWebhookConfiguration = mapiv1.NewMutatingWebhookConfiguration() | ||
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| // GetMutatingWebhookConfiguration gets MutatingWebhookConfiguration object by name | ||
| func GetMutatingWebhookConfiguration(c client.Client, name string) (*admissionregistrationv1.MutatingWebhookConfiguration, error) { | ||
| key := client.ObjectKey{Name: name} | ||
| existing := &admissionregistrationv1.MutatingWebhookConfiguration{} | ||
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| if err := wait.PollImmediate(RetryShort, WaitShort, func() (bool, error) { | ||
| if err := c.Get(context.TODO(), key, existing); err != nil { | ||
| klog.Errorf("Error querying api for MutatingWebhookConfiguration object %q: %v, retrying...", name, err) | ||
| return false, nil | ||
| } | ||
| return true, nil | ||
| }); err != nil { | ||
| return nil, fmt.Errorf("error getting MutatingWebhookConfiguration %q: %v", name, err) | ||
| } | ||
| return existing, nil | ||
| } | ||
|
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| // GetValidatingWebhookConfiguration gets ValidatingWebhookConfiguration object by name | ||
| func GetValidatingWebhookConfiguration(c client.Client, name string) (*admissionregistrationv1.ValidatingWebhookConfiguration, error) { | ||
| key := client.ObjectKey{Name: name} | ||
| existing := &admissionregistrationv1.ValidatingWebhookConfiguration{} | ||
|
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| if err := wait.PollImmediate(RetryShort, WaitShort, func() (bool, error) { | ||
| if err := c.Get(context.TODO(), key, existing); err != nil { | ||
| klog.Errorf("Error querying api for ValidatingWebhookConfiguration object %q: %v, retrying...", name, err) | ||
| return false, nil | ||
| } | ||
| return true, nil | ||
| }); err != nil { | ||
| return nil, fmt.Errorf("error getting ValidatingWebhookConfiguration %q: %v", name, err) | ||
| } | ||
| return existing, nil | ||
| } | ||
|
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| // DeleteValidatingWebhookConfiguration deletes the specified ValidatingWebhookConfiguration object | ||
| func DeleteValidatingWebhookConfiguration(c client.Client, webhookConfiguraiton *admissionregistrationv1.ValidatingWebhookConfiguration) error { | ||
| return wait.PollImmediate(RetryShort, WaitShort, func() (bool, error) { | ||
| if err := c.Delete(context.TODO(), webhookConfiguraiton); apierrors.IsNotFound(err) { | ||
| return true, nil | ||
| } else if err != nil { | ||
| klog.Errorf("error querying api for ValidatingWebhookConfiguration object %q: %v, retrying...", webhookConfiguraiton.Name, err) | ||
| return false, nil | ||
| } | ||
| return true, nil | ||
| }) | ||
| } | ||
|
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| // DeleteMutatingWebhookConfiguration deletes the specified MutatingWebhookConfiguration object | ||
| func DeleteMutatingWebhookConfiguration(c client.Client, webhookConfiguraiton *admissionregistrationv1.MutatingWebhookConfiguration) error { | ||
| return wait.PollImmediate(RetryShort, WaitShort, func() (bool, error) { | ||
| if err := c.Delete(context.TODO(), webhookConfiguraiton); apierrors.IsNotFound(err) { | ||
| return true, nil | ||
| } else if err != nil { | ||
| klog.Errorf("error querying api for MutatingWebhookConfiguration object %q: %v, retrying...", webhookConfiguraiton.Name, err) | ||
| return false, nil | ||
| } | ||
| return true, nil | ||
| }) | ||
| } | ||
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| // UpdateMutatingWebhookConfiguration updates the specified mutating webhook configuration | ||
| func UpdateMutatingWebhookConfiguration(c client.Client, updated *admissionregistrationv1.MutatingWebhookConfiguration) error { | ||
| return wait.PollImmediate(RetryShort, WaitShort, func() (bool, error) { | ||
| existing, err := GetMutatingWebhookConfiguration(c, updated.Name) | ||
| if err != nil { | ||
| klog.Errorf("Error getting MutatingWebhookConfiguration: %v", err) | ||
| return false, nil | ||
| } | ||
| if err := c.Patch(context.TODO(), existing, client.MergeFrom(updated)); err != nil { | ||
| klog.Errorf("error patching MutatingWebhookConfiguration object %q: %v, retrying...", updated.Name, err) | ||
| return false, nil | ||
| } | ||
| return true, nil | ||
| }) | ||
| } | ||
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| // UpdateValidatingWebhookConfiguration updates the specified mutating webhook configuration | ||
| func UpdateValidatingWebhookConfiguration(c client.Client, updated *admissionregistrationv1.ValidatingWebhookConfiguration) error { | ||
| return wait.PollImmediate(RetryShort, WaitShort, func() (bool, error) { | ||
| existing, err := GetValidatingWebhookConfiguration(c, updated.Name) | ||
| if err != nil { | ||
| klog.Errorf("Error getting ValidatingWebhookConfiguration: %v", err) | ||
| return false, nil | ||
| } | ||
| if err := c.Patch(context.TODO(), existing, client.MergeFrom(updated)); err != nil { | ||
| klog.Errorf("error patching ValidatingWebhookConfiguration object %q: %v, retrying...", updated.Name, err) | ||
| return false, nil | ||
| } | ||
| return true, nil | ||
| }) | ||
| } | ||
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| // IsMutatingWebhookConfigurationSynced expects a matching MutatingWebhookConfiguration to be present in the cluster | ||
| func IsMutatingWebhookConfigurationSynced(c client.Client) bool { | ||
| if err := wait.PollImmediate(RetryShort, WaitMedium, func() (bool, error) { | ||
| existing, err := GetMutatingWebhookConfiguration(c, DefaultMutatingWebhookConfiguration.Name) | ||
| if err != nil { | ||
| klog.Errorf("Error getting MutatingWebhookConfiguration: %v", err) | ||
| return false, nil | ||
| } | ||
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| // Due to caBundle injection by service-ca-operator, we have to use DeepDerivative, | ||
| // which will ignore change in spec.webhooks[x].serviceReference.caBundle in comparison | ||
| // to empty value, as the default webhook configuration does not have this field set | ||
| equal := equality.Semantic.DeepDerivative(DefaultMutatingWebhookConfiguration.Webhooks, existing.Webhooks) | ||
| if !equal { | ||
| klog.Infof("MutatingWebhookConfiguration is not yet equal, retrying...") | ||
| } | ||
| return equal, nil | ||
| }); err != nil { | ||
| klog.Errorf("Error waiting for match with expected MutatingWebhookConfigurationMatched: %v", err) | ||
| return false | ||
| } | ||
| return true | ||
| } | ||
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| // IsValidatingWebhookConfigurationSynced expects a matching MutatingWebhookConfiguration to be present in the cluster | ||
| func IsValidatingWebhookConfigurationSynced(c client.Client) bool { | ||
| if err := wait.PollImmediate(RetryShort, WaitMedium, func() (bool, error) { | ||
| existing, err := GetValidatingWebhookConfiguration(c, DefaultValidatingWebhookConfiguration.Name) | ||
| if err != nil { | ||
| klog.Errorf("Error getting MutatingWebhookConfiguration: %v", err) | ||
| return false, nil | ||
| } | ||
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| // Due to caBundle injection by service-ca-operator, we have to use DeepDerivative, | ||
| // which will ignore change in spec.webhooks[x].serviceReference.caBundle in comparison | ||
| // to empty value, as the default webhook configuration does not have this field set | ||
| equal := equality.Semantic.DeepDerivative(DefaultValidatingWebhookConfiguration.Webhooks, existing.Webhooks) | ||
|
Contributor
There was a problem hiding this comment. Might be worth a note that this will should the CABundle field that has been set by the injector and that's why we are using |
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| if !equal { | ||
| klog.Infof("ValidatingWebhookConfiguration is not yet equal, retrying...") | ||
| } | ||
| return equal, nil | ||
| }); err != nil { | ||
| klog.Errorf("Error waiting for match with expected ValidatingWebhookConfigurationMatched: %v", err) | ||
| return false | ||
| } | ||
| return true | ||
| } | ||
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Might be worth a note that this will should the CABundle field that has been set by the injector and that's why we are using
DeepDerivative