mirror of https://github.com/knative/client.git
107 lines
3.4 KiB
Go
107 lines
3.4 KiB
Go
// Copyright © 2019 The Knative Authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package domain
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import (
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"errors"
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"fmt"
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"io"
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"strings"
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"github.com/spf13/cobra"
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"k8s.io/cli-runtime/pkg/genericclioptions"
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"knative.dev/client/pkg/commands"
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"knative.dev/client/pkg/printers"
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"knative.dev/serving/pkg/apis/serving/v1beta1"
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)
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// NewDomainMappingDescribeCommand represents 'kn route describe' command
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func NewDomainMappingDescribeCommand(p *commands.KnParams) *cobra.Command {
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// For machine readable output
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machineReadablePrintFlags := genericclioptions.NewPrintFlags("")
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cmd := &cobra.Command{
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Use: "describe NAME",
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Short: "Show details of a domain mapping",
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Example: `
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# Show details of for the domain 'hello.example.com'
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kn domain describe hello.example.com`,
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ValidArgsFunction: commands.ResourceNameCompletionFunc(p),
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RunE: func(cmd *cobra.Command, args []string) error {
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if len(args) != 1 {
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return errors.New("'kn domain describe' requires name of the domain mapping as single argument")
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}
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namespace, err := p.GetNamespace(cmd)
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if err != nil {
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return err
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}
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client, err := p.NewServingV1beta1Client(namespace)
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if err != nil {
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return err
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}
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domainMapping, err := client.GetDomainMapping(cmd.Context(), args[0])
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if err != nil {
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return err
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}
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if machineReadablePrintFlags.OutputFlagSpecified() {
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if strings.ToLower(*machineReadablePrintFlags.OutputFormat) == "url" {
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fmt.Fprintf(cmd.OutOrStdout(), "%s\n", domainMapping.Status.URL)
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return nil
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}
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printer, err := machineReadablePrintFlags.ToPrinter()
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if err != nil {
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return err
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}
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return printer.PrintObj(domainMapping, cmd.OutOrStdout())
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}
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printDetails, err := cmd.Flags().GetBool("verbose")
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if err != nil {
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return err
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}
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return describe(cmd.OutOrStdout(), domainMapping, printDetails)
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},
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}
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flags := cmd.Flags()
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commands.AddNamespaceFlags(flags, false)
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machineReadablePrintFlags.AddFlags(cmd)
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cmd.Flag("output").Usage = fmt.Sprintf("Output format. One of: %s.", strings.Join(append(machineReadablePrintFlags.AllowedFormats(), "url"), "|"))
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flags.BoolP("verbose", "v", false, "More output.")
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return cmd
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}
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func describe(w io.Writer, domainMapping *v1beta1.DomainMapping, printDetails bool) error {
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dw := printers.NewPrefixWriter(w)
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commands.WriteMetadata(dw, &domainMapping.ObjectMeta, printDetails)
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dw.WriteLine()
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dw.WriteAttribute("URL", domainMapping.Status.URL.String())
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dw.WriteLine()
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ref := dw.WriteAttribute("Reference", "")
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ref.WriteAttribute("APIVersion", domainMapping.Spec.Ref.APIVersion)
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ref.WriteAttribute("Kind", domainMapping.Spec.Ref.Kind)
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ref.WriteAttribute("Name", domainMapping.Spec.Ref.Name)
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if domainMapping.Namespace != domainMapping.Spec.Ref.Namespace {
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ref.WriteAttribute("Namespace", domainMapping.Spec.Ref.Namespace)
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}
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dw.WriteLine()
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commands.WriteConditions(dw, domainMapping.Status.Conditions, printDetails)
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if err := dw.Flush(); err != nil {
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return err
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}
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return nil
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}
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