Update go dependencies

vendor/sigs.k8s.io/controller-runtime/pkg/envtest/server.go

@@ -0,0 +1,222 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+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 envtest
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"time"
+
+	apiextensionsv1beta1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
+	"k8s.io/client-go/rest"
+	"sigs.k8s.io/controller-runtime/pkg/client/config"
+	"sigs.k8s.io/testing_frameworks/integration"
+
+	logf "sigs.k8s.io/controller-runtime/pkg/runtime/log"
+)
+
+var log = logf.KBLog.WithName("test-env")
+
+// Default binary path for test framework
+const (
+	envKubeAPIServerBin    = "TEST_ASSET_KUBE_APISERVER"
+	envEtcdBin             = "TEST_ASSET_ETCD"
+	envKubectlBin          = "TEST_ASSET_KUBECTL"
+	envKubebuilderPath     = "KUBEBUILDER_ASSETS"
+	envStartTimeout        = "KUBEBUILDER_CONTROLPLANE_START_TIMEOUT"
+	envStopTimeout         = "KUBEBUILDER_CONTROLPLANE_STOP_TIMEOUT"
+	defaultKubebuilderPath = "/usr/local/kubebuilder/bin"
+	StartTimeout           = 60
+	StopTimeout            = 60
+
+	defaultKubebuilderControlPlaneStartTimeout = 20 * time.Second
+	defaultKubebuilderControlPlaneStopTimeout  = 20 * time.Second
+)
+
+func defaultAssetPath(binary string) string {
+	assetPath := os.Getenv(envKubebuilderPath)
+	if assetPath == "" {
+		assetPath = defaultKubebuilderPath
+	}
+	return filepath.Join(assetPath, binary)
+
+}
+
+// DefaultKubeAPIServerFlags are default flags necessary to bring up apiserver.
+var DefaultKubeAPIServerFlags = []string{
+	"--etcd-servers={{ if .EtcdURL }}{{ .EtcdURL.String }}{{ end }}",
+	"--cert-dir={{ .CertDir }}",
+	"--insecure-port={{ if .URL }}{{ .URL.Port }}{{ end }}",
+	"--insecure-bind-address={{ if .URL }}{{ .URL.Hostname }}{{ end }}",
+	"--secure-port={{ if .SecurePort }}{{ .SecurePort }}{{ end }}",
+	"--admission-control=AlwaysAdmit",
+}
+
+// Environment creates a Kubernetes test environment that will start / stop the Kubernetes control plane and
+// install extension APIs
+type Environment struct {
+	// ControlPlane is the ControlPlane including the apiserver and etcd
+	ControlPlane integration.ControlPlane
+
+	// Config can be used to talk to the apiserver
+	Config *rest.Config
+
+	// CRDs is a list of CRDs to install
+	CRDs []*apiextensionsv1beta1.CustomResourceDefinition
+
+	// CRDDirectoryPaths is a list of paths containing CRD yaml or json configs.
+	CRDDirectoryPaths []string
+
+	// UseExisting indicates that this environments should use an
+	// existing kubeconfig, instead of trying to stand up a new control plane.
+	// This is useful in cases that need aggregated API servers and the like.
+	UseExistingCluster bool
+
+	// ControlPlaneStartTimeout is the maximum duration each controlplane component
+	// may take to start. It defaults to the KUBEBUILDER_CONTROLPLANE_START_TIMEOUT
+	// environment variable or 20 seconds if unspecified
+	ControlPlaneStartTimeout time.Duration
+
+	// ControlPlaneStopTimeout is the maximum duration each controlplane component
+	// may take to stop. It defaults to the KUBEBUILDER_CONTROLPLANE_STOP_TIMEOUT
+	// environment variable or 20 seconds if unspecified
+	ControlPlaneStopTimeout time.Duration
+
+	// KubeAPIServerFlags is the set of flags passed while starting the api server.
+	KubeAPIServerFlags []string
+}
+
+// Stop stops a running server
+func (te *Environment) Stop() error {
+	if te.UseExistingCluster {
+		return nil
+	}
+	return te.ControlPlane.Stop()
+}
+
+// getAPIServerFlags returns flags to be used with the Kubernetes API server.
+func (te Environment) getAPIServerFlags() []string {
+	// Set default API server flags if not set.
+	if len(te.KubeAPIServerFlags) == 0 {
+		return DefaultKubeAPIServerFlags
+	}
+	return te.KubeAPIServerFlags
+}
+
+// Start starts a local Kubernetes server and updates te.ApiserverPort with the port it is listening on
+func (te *Environment) Start() (*rest.Config, error) {
+	if te.UseExistingCluster {
+		log.V(1).Info("using existing cluster")
+		if te.Config == nil {
+			// we want to allow people to pass in their own config, so
+			// only load a config if it hasn't already been set.
+			log.V(1).Info("automatically acquiring client configuration")
+
+			var err error
+			te.Config, err = config.GetConfig()
+			if err != nil {
+				return nil, err
+			}
+		}
+	} else {
+		te.ControlPlane = integration.ControlPlane{}
+		te.ControlPlane.APIServer = &integration.APIServer{Args: te.getAPIServerFlags()}
+		te.ControlPlane.Etcd = &integration.Etcd{}
+
+		if os.Getenv(envKubeAPIServerBin) == "" {
+			te.ControlPlane.APIServer.Path = defaultAssetPath("kube-apiserver")
+		}
+		if os.Getenv(envEtcdBin) == "" {
+			te.ControlPlane.Etcd.Path = defaultAssetPath("etcd")
+		}
+		if os.Getenv(envKubectlBin) == "" {
+			// we can't just set the path manually (it's behind a function), so set the environment variable instead
+			if err := os.Setenv(envKubectlBin, defaultAssetPath("kubectl")); err != nil {
+				return nil, err
+			}
+		}
+
+		if err := te.defaultTimeouts(); err != nil {
+			return nil, fmt.Errorf("failed to default controlplane timeouts: %v", err)
+		}
+		te.ControlPlane.Etcd.StartTimeout = te.ControlPlaneStartTimeout
+		te.ControlPlane.Etcd.StopTimeout = te.ControlPlaneStopTimeout
+		te.ControlPlane.APIServer.StartTimeout = te.ControlPlaneStartTimeout
+		te.ControlPlane.APIServer.StopTimeout = te.ControlPlaneStopTimeout
+
+		log.V(1).Info("starting control plane", "api server flags", te.ControlPlane.APIServer.Args)
+		if err := te.startControlPlane(); err != nil {
+			return nil, err
+		}
+
+		// Create the *rest.Config for creating new clients
+		te.Config = &rest.Config{
+			Host: te.ControlPlane.APIURL().Host,
+		}
+	}
+
+	log.V(1).Info("installing CRDs")
+	_, err := InstallCRDs(te.Config, CRDInstallOptions{
+		Paths: te.CRDDirectoryPaths,
+		CRDs:  te.CRDs,
+	})
+	return te.Config, err
+}
+
+func (te *Environment) startControlPlane() error {
+	numTries, maxRetries := 0, 5
+	var err error
+	for ; numTries < maxRetries; numTries++ {
+		// Start the control plane - retry if it fails
+		err = te.ControlPlane.Start()
+		if err == nil {
+			break
+		}
+		log.Error(err, "unable to start the controlplane", "tries", numTries)
+	}
+	if numTries == maxRetries {
+		return fmt.Errorf("failed to start the controlplane. retried %d times: %v", numTries, err)
+	}
+	return nil
+}
+
+func (te *Environment) defaultTimeouts() error {
+	var err error
+	if te.ControlPlaneStartTimeout == 0 {
+		if envVal := os.Getenv(envStartTimeout); envVal != "" {
+			te.ControlPlaneStartTimeout, err = time.ParseDuration(envVal)
+			if err != nil {
+				return err
+			}
+		} else {
+			te.ControlPlaneStartTimeout = defaultKubebuilderControlPlaneStartTimeout
+		}
+	}
+
+	if te.ControlPlaneStopTimeout == 0 {
+		if envVal := os.Getenv(envStopTimeout); envVal != "" {
+			te.ControlPlaneStopTimeout, err = time.ParseDuration(envVal)
+			if err != nil {
+				return err
+			}
+		} else {
+			te.ControlPlaneStopTimeout = defaultKubebuilderControlPlaneStopTimeout
+		}
+	}
+	return nil
+}