change cluster schema (#2026)

* change cluster schema

* change cluster schema

vendor/sigs.k8s.io/kubefed/pkg/kubefedctl/orphaning/disable.go

@@ -0,0 +1,98 @@
+/*
+Copyright 2019 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 orphaning
+
+import (
+	"io"
+
+	"github.com/pkg/errors"
+	"github.com/spf13/cobra"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/klog"
+
+	ctlutil "sigs.k8s.io/kubefed/pkg/controller/util"
+	"sigs.k8s.io/kubefed/pkg/kubefedctl/util"
+)
+
+var (
+	orphaning_disable_long = `
+		Removes previously added "orphaning enable" ('kubefed.io/orphan: true')
+		annotation from a federated resource.  When the federated resource is subsequently marked for deletion,
+		the resources it manages in member clusters will be removed before the federated resource is removed.
+
+		Current context is assumed to be a Kubernetes cluster hosting
+		the kubefed control plane. Please use the
+		--host-cluster-context flag otherwise.`
+
+	orphaning_disable_example = `
+		# Disable the orphaning mode for a federated resource of type FederatedDeployment and named foo 
+		kubefedctl orphaning disable FederatedDeployment foo --host-cluster-context=cluster1`
+)
+
+// newCmdDisableOrphaning removes the 'kubefed.io/orphan: true' annotation from the federated resource
+func newCmdDisableOrphaning(cmdOut io.Writer, config util.FedConfig) *cobra.Command {
+	opts := &orphanResource{}
+	cmd := &cobra.Command{
+		Use:     "disable <resource type> <resource name>",
+		Short:   "Disable orphaning deletion to ensure the removal of managed resources before removing the managing federated resource",
+		Long:    orphaning_disable_long,
+		Example: orphaning_disable_example,
+		Run: func(cmd *cobra.Command, args []string) {
+			err := opts.Complete(args, config)
+			if err != nil {
+				klog.Fatalf("Error: %v", err)
+			}
+
+			err = opts.RunDisable(cmdOut, config)
+			if err != nil {
+				klog.Fatalf("Error: %v", err)
+			}
+		},
+	}
+
+	flags := cmd.Flags()
+	opts.GlobalSubcommandBind(flags)
+	err := opts.Bind(flags)
+	if err != nil {
+		klog.Fatalf("Error: %v", err)
+	}
+
+	return cmd
+}
+
+// RunDisable implements the `disable` command.
+func (o *orphanResource) RunDisable(cmdOut io.Writer, config util.FedConfig) error {
+	resourceClient, err := o.GetResourceClient(config, cmdOut)
+	if err != nil {
+		return err
+	}
+	fedResource, err := o.GetFederatedResource(resourceClient)
+	if err != nil {
+		return err
+	}
+	if !ctlutil.IsOrphaningEnabled(fedResource) {
+		return nil
+	}
+	ctlutil.DisableOrphaning(fedResource)
+	_, err = resourceClient.Update(fedResource, metav1.UpdateOptions{})
+	if err != nil {
+		return errors.Wrapf(err, "Failed to update resource %s %q", fedResource.GetKind(),
+			ctlutil.QualifiedName{Name: fedResource.GetName(), Namespace: fedResource.GetNamespace()})
+	}
+	return nil
+}

vendor/sigs.k8s.io/kubefed/pkg/kubefedctl/orphaning/enable.go

@@ -0,0 +1,99 @@
+/*
+Copyright 2019 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 orphaning
+
+import (
+	"io"
+
+	"github.com/pkg/errors"
+	"github.com/spf13/cobra"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/klog"
+
+	ctlutil "sigs.k8s.io/kubefed/pkg/controller/util"
+	"sigs.k8s.io/kubefed/pkg/kubefedctl/util"
+)
+
+var (
+	orphaning_enable_long = `
+		Prevents the removal of managed resources from member clusters when their managing federated 
+		resource is removed. This is accomplished by adding 'kubefed.io/orphan: true' as an annotation to the 
+		federated resource.
+
+		Current context is assumed to be a Kubernetes cluster hosting
+		the kubefed control plane. Please use the
+		--host-cluster-context flag otherwise.`
+
+	orphan_enable_example = `
+		# Enable the orphaning mode for a federated resource of type FederatedDeployment and named foo 
+		kubefedctl orphaning enable FederatedDeployment foo --host-cluster-context=cluster1`
+)
+
+// newCmdEnableOrphaning adds 'kubefed.io/orphan: true' as an annotation to the federated resource
+func newCmdEnableOrphaning(cmdOut io.Writer, config util.FedConfig) *cobra.Command {
+	opts := &orphanResource{}
+	cmd := &cobra.Command{
+		Use:     "enable <resource type> <resource name>",
+		Short:   "Enable the orphaning (i.e. retention) of resources managed by a federated resource upon its removal.",
+		Long:    orphaning_enable_long,
+		Example: orphan_enable_example,
+		Run: func(cmd *cobra.Command, args []string) {
+			err := opts.Complete(args, config)
+			if err != nil {
+				klog.Fatalf("Error: %v", err)
+			}
+
+			err = opts.RunEnable(cmdOut, config)
+			if err != nil {
+				klog.Fatalf("Error: %v", err)
+			}
+		},
+	}
+
+	flags := cmd.Flags()
+	opts.GlobalSubcommandBind(flags)
+	err := opts.Bind(flags)
+	if err != nil {
+		klog.Fatalf("Error: %v", err)
+	}
+
+	return cmd
+}
+
+// RunEnable implements the `enable` command.
+func (o *orphanResource) RunEnable(cmdOut io.Writer, config util.FedConfig) error {
+	resourceClient, err := o.GetResourceClient(config, cmdOut)
+	if err != nil {
+		return err
+	}
+	fedResource, err := o.GetFederatedResource(resourceClient)
+	if err != nil {
+		return err
+	}
+	if ctlutil.IsOrphaningEnabled(fedResource) {
+		return nil
+	}
+	ctlutil.EnableOrphaning(fedResource)
+	_, err = resourceClient.Update(fedResource, metav1.UpdateOptions{})
+	if err != nil {
+		return errors.Wrapf(err, "Failed to update resource %s %q", fedResource.GetKind(),
+			ctlutil.QualifiedName{Name: fedResource.GetName(), Namespace: fedResource.GetNamespace()})
+	}
+
+	return nil
+}

vendor/sigs.k8s.io/kubefed/pkg/kubefedctl/orphaning/orphaning.go

@@ -0,0 +1,140 @@
+/*
+Copyright 2019 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 orphaning
+
+import (
+	"fmt"
+	"io"
+
+	"github.com/pkg/errors"
+	"github.com/spf13/cobra"
+	"github.com/spf13/pflag"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/client-go/dynamic"
+	"k8s.io/klog"
+
+	"sigs.k8s.io/kubefed/pkg/apis/core/typeconfig"
+	ctlutil "sigs.k8s.io/kubefed/pkg/controller/util"
+	"sigs.k8s.io/kubefed/pkg/kubefedctl/enable"
+	"sigs.k8s.io/kubefed/pkg/kubefedctl/options"
+	"sigs.k8s.io/kubefed/pkg/kubefedctl/util"
+)
+
+type orphanResource struct {
+	options.GlobalSubcommandOptions
+	typeName          string
+	resourceName      string
+	resourceNamespace string
+}
+
+// Bind adds the join specific arguments to the flagset passed in as an argument.
+func (o *orphanResource) Bind(flags *pflag.FlagSet) error {
+	flags.StringVarP(&o.resourceNamespace, "namespace", "n", "", "If present, the namespace scope for this CLI request")
+	err := flags.MarkHidden("kubefed-namespace")
+	if err != nil {
+		return err
+	}
+	err = flags.MarkHidden("dry-run")
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+// NewCmdOrphaning the head of orphaning-deletion sub commands
+func NewCmdOrphaning(cmdOut io.Writer, config util.FedConfig) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "orphaning-deletion",
+		Short: "Manage orphaning delete policy",
+		Long:  "Manage orphaning delete policy",
+		Run: func(cmd *cobra.Command, args []string) {
+			err := cmd.Help()
+			if err != nil {
+				klog.Fatalf("Error: %v", err)
+			}
+		},
+	}
+	cmd.AddCommand(newCmdEnableOrphaning(cmdOut, config))
+	cmd.AddCommand(newCmdDisableOrphaning(cmdOut, config))
+	cmd.AddCommand(newCmdStatusOrphaning(cmdOut, config))
+
+	return cmd
+}
+
+//  Complete ensures that options are valid and marshals them if necessary.
+func (o *orphanResource) Complete(args []string, config util.FedConfig) error {
+	if len(args) == 0 {
+		return errors.New("resource type is required")
+	}
+
+	o.typeName = args[0]
+
+	if len(args) == 1 {
+		return errors.New("resource name is required")
+	}
+	o.resourceName = args[1]
+
+	if len(o.resourceNamespace) == 0 {
+		var err error
+		o.resourceNamespace, err = util.GetNamespace(o.HostClusterContext, o.Kubeconfig, config)
+		return err
+	}
+	return nil
+}
+
+// Returns a Federated Resources Interface
+func (o *orphanResource) GetResourceClient(config util.FedConfig, cmdOut io.Writer) (dynamic.ResourceInterface, error) {
+	hostClientConfig := config.GetClientConfig(o.HostClusterContext, o.Kubeconfig)
+	if err := o.SetHostClusterContextFromConfig(hostClientConfig); err != nil {
+		return nil, err
+	}
+	hostConfig, err := hostClientConfig.ClientConfig()
+	if err != nil {
+		return nil, errors.Wrapf(err, "Unable to load configuration for cluster context %q in kubeconfig %q.`",
+			o.HostClusterContext, o.Kubeconfig)
+	}
+	// Lookup kubernetes API availability
+	apiResource, err := enable.LookupAPIResource(hostConfig, o.typeName, "")
+	if err != nil {
+		return nil, errors.Wrapf(err, "Failed to find targeted %s type", o.typeName)
+	}
+	klog.V(2).Infof("API Resource for %s/%s found", typeconfig.GroupQualifiedName(*apiResource), apiResource.Version)
+	if !util.IsFederatedAPIResource(apiResource.Kind, apiResource.Group) {
+		fmt.Fprintf(cmdOut, "Warning: %s/%s might not be a federated resource\n",
+			typeconfig.GroupQualifiedName(*apiResource), apiResource.Version)
+	}
+	targetClient, err := ctlutil.NewResourceClient(hostConfig, apiResource)
+
+	if err != nil {
+		return nil, errors.Wrapf(err, "Error creating client for %s", apiResource.Kind)
+	}
+
+	resourceClient := targetClient.Resources(o.resourceNamespace)
+	return resourceClient, nil
+}
+
+// Returns the Federated resource where the orphaning-deletion will be managed
+func (o *orphanResource) GetFederatedResource(resourceClient dynamic.ResourceInterface) (*unstructured.Unstructured, error) {
+	resource, err := resourceClient.Get(o.resourceName, metav1.GetOptions{})
+	if err != nil {
+		return nil, errors.Wrapf(err, "Failed to retrieve resource: %q",
+			ctlutil.QualifiedName{Name: o.resourceName, Namespace: o.resourceNamespace})
+	}
+	return resource, nil
+}

vendor/sigs.k8s.io/kubefed/pkg/kubefedctl/orphaning/status.go

@@ -0,0 +1,95 @@
+/*
+Copyright 2019 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 orphaning
+
+import (
+	"io"
+
+	"github.com/spf13/cobra"
+
+	"k8s.io/klog"
+
+	ctlutil "sigs.k8s.io/kubefed/pkg/controller/util"
+	"sigs.k8s.io/kubefed/pkg/kubefedctl/util"
+)
+
+const (
+	Enabled  = "Enabled"
+	Disabled = "Disabled"
+)
+
+var (
+	orphaning_status_long = `
+		Checks the status of "orphaning enable" ('kubefed.io/orphan: true') annotation on a federated resource. 
+		Returns "Enabled" or "Disabled"
+
+		Current context is assumed to be a Kubernetes cluster hosting the kubefed control plane. 
+		Please use the --host-cluster-context flag otherwise.`
+
+	orphaning_status_example = `
+		# Checks the status of the orphaning mode of a federated resource of type FederatedDeployment and named foo 
+		kubefedctl orphaning status FederatedDeployment foo --host-cluster-context=cluster1`
+)
+
+// newCmdStatusOrphaning checks status of orphaning deletion of the federated resource
+func newCmdStatusOrphaning(cmdOut io.Writer, config util.FedConfig) *cobra.Command {
+	opts := &orphanResource{}
+	cmd := &cobra.Command{
+		Use:     "status <resource type> <resource name>",
+		Short:   "Get the orphaning deletion status of the federated resource",
+		Long:    orphaning_status_long,
+		Example: orphaning_status_example,
+		Run: func(cmd *cobra.Command, args []string) {
+			err := opts.Complete(args, config)
+			if err != nil {
+				klog.Fatalf("Error: %v", err)
+			}
+
+			err = opts.RunStatus(cmdOut, config)
+			if err != nil {
+				klog.Fatalf("Error: %v", err)
+			}
+		},
+	}
+
+	flags := cmd.Flags()
+	opts.GlobalSubcommandBind(flags)
+	err := opts.Bind(flags)
+	if err != nil {
+		klog.Fatalf("Error: %v", err)
+	}
+
+	return cmd
+}
+
+// RunStatus implements the `status` command.
+func (o *orphanResource) RunStatus(cmdOut io.Writer, config util.FedConfig) error {
+	resourceClient, err := o.GetResourceClient(config, cmdOut)
+	if err != nil {
+		return err
+	}
+	fedResource, err := o.GetFederatedResource(resourceClient)
+	if err != nil {
+		return err
+	}
+	if ctlutil.IsOrphaningEnabled(fedResource) {
+		_, err = cmdOut.Write([]byte(Enabled + "\n"))
+		return err
+	}
+	_, err = cmdOut.Write([]byte(Disabled + "\n"))
+	return err
+}