|
| 1 | +package cmd |
| 2 | + |
| 3 | +import ( |
| 4 | + "fmt" |
| 5 | + "log" |
| 6 | + "os" |
| 7 | + "strings" |
| 8 | + "text/tabwriter" |
| 9 | + |
| 10 | + "github.com/microcks/microcks-cli/pkg/config" |
| 11 | + "github.com/microcks/microcks-cli/pkg/errors" |
| 12 | + "github.com/spf13/cobra" |
| 13 | +) |
| 14 | + |
| 15 | +func NewContextCommand() *cobra.Command { |
| 16 | + var delete bool |
| 17 | + ctxCmd := &cobra.Command{ |
| 18 | + Use: "context [CONTEXT]", |
| 19 | + Aliases: []string{"ctx"}, |
| 20 | + Short: "switch between contexts", |
| 21 | + Example: `# List Microcks context |
| 22 | +microcks context/ctx |
| 23 | +
|
| 24 | +#Switch Microcks context |
| 25 | +microcks context httP://localhost:8080 |
| 26 | +
|
| 27 | +# Delete Microcks context |
| 28 | +microcks context httP://localhost:8080 --delete`, |
| 29 | + Run: func(cmd *cobra.Command, args []string) { |
| 30 | + var cfgFile string |
| 31 | + configPath, err := config.DefaultLocalConfigPath() |
| 32 | + errors.CheckError(err) |
| 33 | + cfgFile = configPath |
| 34 | + localCfg, err := config.ReadLocalConfig(cfgFile) |
| 35 | + errors.CheckError(err) |
| 36 | + if delete { |
| 37 | + if len(args) == 0 { |
| 38 | + cmd.HelpFunc()(cmd, args) |
| 39 | + os.Exit(1) |
| 40 | + } |
| 41 | + err := deleteContext(args[0], cfgFile) |
| 42 | + errors.CheckError(err) |
| 43 | + return |
| 44 | + } |
| 45 | + |
| 46 | + if len(args) == 0 { |
| 47 | + printMicrocksContexts(cfgFile) |
| 48 | + return |
| 49 | + } |
| 50 | + |
| 51 | + ctxName := args[0] |
| 52 | + if localCfg.CurrentContext == ctxName { |
| 53 | + fmt.Printf("Already at context '%s'\n", localCfg.CurrentContext) |
| 54 | + return |
| 55 | + } |
| 56 | + if _, err = localCfg.ResolveContext(ctxName); err != nil { |
| 57 | + log.Fatal(err) |
| 58 | + } |
| 59 | + localCfg.CurrentContext = ctxName |
| 60 | + err = config.WriteLocalConfig(*localCfg, configPath) |
| 61 | + errors.CheckError(err) |
| 62 | + fmt.Printf("Switched to context '%s'\n", localCfg.CurrentContext) |
| 63 | + }, |
| 64 | + } |
| 65 | + |
| 66 | + ctxCmd.Flags().BoolVar(&delete, "delete", false, "Delete a context") |
| 67 | + |
| 68 | + return ctxCmd |
| 69 | +} |
| 70 | + |
| 71 | +func deleteContext(context, configPath string) error { |
| 72 | + localCfg, err := config.ReadLocalConfig(configPath) |
| 73 | + errors.CheckError(err) |
| 74 | + if localCfg == nil { |
| 75 | + return fmt.Errorf("Nothing to logout from") |
| 76 | + } |
| 77 | + serverName, ok := localCfg.RemoveContext(context) |
| 78 | + if !ok { |
| 79 | + return fmt.Errorf("Context %s does not exist", context) |
| 80 | + } |
| 81 | + _ = localCfg.RemoveUser(context) |
| 82 | + _ = localCfg.RemoveServer(serverName) |
| 83 | + |
| 84 | + if localCfg.IsEmpty() { |
| 85 | + err := localCfg.DeleteLocalConfig(configPath) |
| 86 | + errors.CheckError(err) |
| 87 | + } else { |
| 88 | + if localCfg.CurrentContext == context { |
| 89 | + localCfg.CurrentContext = "" |
| 90 | + } |
| 91 | + err = config.ValidateLocalConfig(*localCfg) |
| 92 | + if err != nil { |
| 93 | + return fmt.Errorf("Error in logging out") |
| 94 | + } |
| 95 | + err = config.WriteLocalConfig(*localCfg, configPath) |
| 96 | + errors.CheckError(err) |
| 97 | + } |
| 98 | + fmt.Printf("Context '%s' deleted\n", context) |
| 99 | + return nil |
| 100 | +} |
| 101 | + |
| 102 | +func printMicrocksContexts(configPath string) { |
| 103 | + localCfg, err := config.ReadLocalConfig(configPath) |
| 104 | + errors.CheckError(err) |
| 105 | + if localCfg == nil { |
| 106 | + log.Fatalf("No contexts defined in %s", configPath) |
| 107 | + } |
| 108 | + w := tabwriter.NewWriter(os.Stdout, 0, 0, 2, ' ', 0) |
| 109 | + defer func() { _ = w.Flush() }() |
| 110 | + columnNames := []string{"CURRENT", "NAME", "SERVER"} |
| 111 | + _, err = fmt.Fprintf(w, "%s\n", strings.Join(columnNames, "\t")) |
| 112 | + errors.CheckError(err) |
| 113 | + |
| 114 | + for _, contextRef := range localCfg.Contexts { |
| 115 | + context, err := localCfg.ResolveContext(contextRef.Name) |
| 116 | + if err != nil { |
| 117 | + log.Printf("Context '%s' had error: %v", contextRef.Name, err) |
| 118 | + } |
| 119 | + prefix := " " |
| 120 | + if localCfg.CurrentContext == context.Name { |
| 121 | + prefix = "*" |
| 122 | + } |
| 123 | + _, err = fmt.Fprintf(w, "%s\t%s\t%s\n", prefix, context.Name, context.Server.Server) |
| 124 | + errors.CheckError(err) |
| 125 | + } |
| 126 | +} |
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