package get import ( "encoding/json" "flag" "fmt" "io" "sort" "time" "github.com/hashicorp/consul/command/flags" "github.com/hashicorp/consul/command/intention" "github.com/mitchellh/cli" "github.com/ryanuber/columnize" ) func New(ui cli.Ui) *cmd { c := &cmd{UI: ui} c.init() return c } type cmd struct { UI cli.Ui flags *flag.FlagSet http *flags.HTTPFlags help string // testStdin is the input for testing. testStdin io.Reader } func (c *cmd) init() { c.flags = flag.NewFlagSet("", flag.ContinueOnError) c.http = &flags.HTTPFlags{} flags.Merge(c.flags, c.http.ClientFlags()) flags.Merge(c.flags, c.http.ServerFlags()) flags.Merge(c.flags, c.http.NamespaceFlags()) c.help = flags.Usage(help, c.flags) } func (c *cmd) Run(args []string) int { if err := c.flags.Parse(args); err != nil { return 1 } // Create and test the HTTP client client, err := c.http.APIClient() if err != nil { c.UI.Error(fmt.Sprintf("Error connecting to Consul agent: %s", err)) return 1 } ixn, err := intention.GetFromArgs(client, c.flags.Args()) if err != nil { c.UI.Error(err.Error()) return 1 } // Format the tabular data data := []string{ fmt.Sprintf("Source:\x1f%s", ixn.SourceString()), fmt.Sprintf("Destination:\x1f%s", ixn.DestinationString()), } if ixn.Action != "" { data = append(data, fmt.Sprintf("Action:\x1f%s", ixn.Action)) } if ixn.ID != "" { data = append(data, fmt.Sprintf("ID:\x1f%s", ixn.ID)) } if v := ixn.Description; v != "" { data = append(data, fmt.Sprintf("Description:\x1f%s", v)) } if len(ixn.Meta) > 0 { var keys []string for k := range ixn.Meta { keys = append(keys, k) } sort.Strings(keys) for _, k := range keys { data = append(data, fmt.Sprintf("Meta[%s]:\x1f%s", k, ixn.Meta[k])) } } data = append(data, fmt.Sprintf("Created At:\x1f%s", ixn.CreatedAt.Local().Format(time.RFC850)), ) c.UI.Output(columnize.Format(data, &columnize.Config{Delim: string([]byte{0x1f})})) if len(ixn.Permissions) > 0 { b, err := json.MarshalIndent(ixn.Permissions, "", " ") if err != nil { c.UI.Error(err.Error()) return 1 } c.UI.Output("Permissions:\n" + string(b)) } return 0 } func (c *cmd) Synopsis() string { return synopsis } func (c *cmd) Help() string { return c.help } const synopsis = "Show information about an intention." const help = ` Usage: consul intention get [options] SRC DST Usage: consul intention get [options] ID Read and show the details about an intention. The intention can be looked up via an exact source/destination match or via the unique intention ID. $ consul intention get web db `