114 lines
4.0 KiB
Go
114 lines
4.0 KiB
Go
/*
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Copyright 2014 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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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 framework
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import (
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"fmt"
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"os"
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"regexp"
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"time"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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validationutil "k8s.io/apimachinery/pkg/util/validation"
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"k8s.io/apimachinery/pkg/util/wait"
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federationapi "k8s.io/kubernetes/federation/apis/federation/v1beta1"
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"k8s.io/kubernetes/federation/client/clientset_generated/federation_clientset"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/api/v1"
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"k8s.io/kubernetes/pkg/api/validation"
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"k8s.io/kubernetes/pkg/client/clientset_generated/clientset"
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"k8s.io/kubernetes/pkg/client/restclient"
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"k8s.io/kubernetes/pkg/client/unversioned/clientcmd"
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"k8s.io/kubernetes/test/e2e/framework"
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)
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// Detects whether the federation namespace exists in the underlying cluster
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func SkipUnlessFederated(c clientset.Interface) {
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federationNS := os.Getenv("FEDERATION_NAMESPACE")
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if federationNS == "" {
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federationNS = federationapi.FederationNamespaceSystem
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}
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_, err := c.Core().Namespaces().Get(federationNS, metav1.GetOptions{})
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if err != nil {
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if apierrors.IsNotFound(err) {
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framework.Skipf("Could not find federation namespace %s: skipping federated test", federationNS)
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} else {
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framework.Failf("Unexpected error getting namespace: %v", err)
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}
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}
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}
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// WaitForFederationApiserverReady waits for the federation apiserver to be ready.
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// It tests the readiness by sending a GET request and expecting a non error response.
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func WaitForFederationApiserverReady(c *federation_clientset.Clientset) error {
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return wait.PollImmediate(time.Second, 1*time.Minute, func() (bool, error) {
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_, err := c.Federation().Clusters().List(v1.ListOptions{})
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if err != nil {
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return false, nil
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}
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return true, nil
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})
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}
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func LoadFederationClientset() (*federation_clientset.Clientset, error) {
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config, err := LoadFederatedConfig(&clientcmd.ConfigOverrides{})
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if err != nil {
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return nil, err
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}
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c, err := federation_clientset.NewForConfig(config)
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if err != nil {
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return nil, fmt.Errorf("error creating federation clientset: %v", err.Error())
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}
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return c, nil
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}
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func LoadFederatedConfig(overrides *clientcmd.ConfigOverrides) (*restclient.Config, error) {
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c, err := framework.RestclientConfig(framework.TestContext.FederatedKubeContext)
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if err != nil {
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return nil, fmt.Errorf("error creating federation client config: %v", err.Error())
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}
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cfg, err := clientcmd.NewDefaultClientConfig(*c, overrides).ClientConfig()
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if cfg != nil {
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//TODO(colhom): this is only here because https://github.com/kubernetes/kubernetes/issues/25422
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cfg.NegotiatedSerializer = api.Codecs
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}
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if err != nil {
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return cfg, fmt.Errorf("error creating federation default client config: %v", err.Error())
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}
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return cfg, nil
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}
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// GetValidDNSSubdomainName massages the given name to be a valid dns subdomain name.
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// Most resources (such as secrets, clusters) require the names to be valid dns subdomain.
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// This is a generic function (not specific to federation). Should be moved to a more generic location if others want to use it.
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func GetValidDNSSubdomainName(name string) (string, error) {
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// "_" are not allowed. Replace them by "-".
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name = regexp.MustCompile("_").ReplaceAllLiteralString(name, "-")
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maxLength := validationutil.DNS1123SubdomainMaxLength
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if len(name) > maxLength {
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name = name[0 : maxLength-1]
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}
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// Verify that name now passes the validation.
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if errors := validation.NameIsDNSSubdomain(name, false); len(errors) != 0 {
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return "", fmt.Errorf("errors in converting name to a valid DNS subdomain %s", errors)
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}
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return name, nil
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}
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