cert-manager/test/e2e/framework/util.go
James Munnelly ecda543dcb Refactor e2e test framework
Signed-off-by: James Munnelly <james@munnelly.eu>
2018-10-18 13:27:05 +01:00

125 lines
3.6 KiB
Go

/*
Copyright 2018 The Jetstack cert-manager contributors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package framework
import (
"fmt"
"time"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
authorizationv1 "k8s.io/api/authorization/v1"
"k8s.io/api/core/v1"
rbacv1 "k8s.io/api/rbac/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
)
const (
// How often to poll for conditions
Poll = 2 * time.Second
// Default time to wait for operations to complete
defaultTimeout = 30 * time.Second
longTimeout = 5 * time.Minute
)
func nowStamp() string {
return time.Now().Format(time.StampMilli)
}
func log(level string, format string, args ...interface{}) {
fmt.Fprintf(GinkgoWriter, nowStamp()+": "+level+": "+format+"\n", args...)
}
func Logf(format string, args ...interface{}) {
log("INFO", format, args...)
}
func Failf(format string, args ...interface{}) {
msg := fmt.Sprintf(format, args...)
log("INFO", msg)
Fail(nowStamp()+": "+msg, 1)
}
func Skipf(format string, args ...interface{}) {
msg := fmt.Sprintf(format, args...)
log("INFO", msg)
Skip(nowStamp() + ": " + msg)
}
func RbacClusterRoleHasAccessToResource(f *Framework, clusterRole string, verb string, resource string) bool {
By("Creating a service account")
viewServiceAccount := &v1.ServiceAccount{
ObjectMeta: metav1.ObjectMeta{
GenerateName: "rbac-test-",
},
}
serviceAccountClient := f.KubeClientSet.CoreV1().ServiceAccounts(f.Namespace.Name)
serviceAccount, err := serviceAccountClient.Create(viewServiceAccount)
Expect(err).NotTo(HaveOccurred())
viewServiceAccountName := serviceAccount.Name
By("Creating ClusterRoleBinding to view " + clusterRole + " clusterRole")
viewRoleBinding := &rbacv1.ClusterRoleBinding{
ObjectMeta: metav1.ObjectMeta{
GenerateName: viewServiceAccountName + "-rb-",
},
Subjects: []rbacv1.Subject{
{Kind: "ServiceAccount", Name: viewServiceAccountName, Namespace: f.Namespace.Name},
},
RoleRef: rbacv1.RoleRef{
APIGroup: "rbac.authorization.k8s.io",
Kind: "ClusterRole",
Name: clusterRole,
},
}
roleBindingClient := f.KubeClientSet.RbacV1().ClusterRoleBindings()
_, err = roleBindingClient.Create(viewRoleBinding)
Expect(err).NotTo(HaveOccurred())
By("Sleeping for a second.")
// to allow RBAC to propagate
time.Sleep(time.Second)
By("Impersonating the Service Account")
var impersonateConfig *rest.Config
impersonateConfig = f.KubeClientConfig
impersonateConfig.Impersonate.UserName = "system:serviceaccount:" + f.Namespace.Name + ":" + viewServiceAccountName
impersonateClient, err := kubernetes.NewForConfig(impersonateConfig)
Expect(err).NotTo(HaveOccurred())
By("Submitting a self subject access review")
sarClient := impersonateClient.AuthorizationV1().SelfSubjectAccessReviews()
sar := &authorizationv1.SelfSubjectAccessReview{
Spec: authorizationv1.SelfSubjectAccessReviewSpec{
ResourceAttributes: &authorizationv1.ResourceAttributes{
Namespace: f.Namespace.Name,
Verb: verb,
Group: "certmanager.k8s.io",
Resource: resource,
},
},
}
response, err := sarClient.Create(sar)
Expect(err).NotTo(HaveOccurred())
return response.Status.Allowed
}