package get import ( "flag" "fmt" "io" "sort" "time" "github.com/hashicorp/consul/command/flags" "github.com/hashicorp/consul/command/intention/finder" "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()) 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 } // Get the intention ID to load f := &finder.Finder{Client: client} id, err := f.IDFromArgs(c.flags.Args()) if err != nil { c.UI.Error(fmt.Sprintf("Error: %s", err)) return 1 } // Read the intention ixn, _, err := client.Connect().IntentionGet(id, nil) if err != nil { c.UI.Error(fmt.Sprintf("Error reading the intention: %s", err)) return 1 } // Format the tabular data data := []string{ fmt.Sprintf("Source:|%s", ixn.SourceString()), fmt.Sprintf("Destination:|%s", ixn.DestinationString()), fmt.Sprintf("Action:|%s", ixn.Action), fmt.Sprintf("ID:|%s", ixn.ID), } if v := ixn.Description; v != "" { data = append(data, fmt.Sprintf("Description:|%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]:|%s", k, ixn.Meta[k])) } } data = append(data, fmt.Sprintf("Created At:|%s", ixn.CreatedAt.Local().Format(time.RFC850)), ) c.UI.Output(columnize.SimpleFormat(data)) 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 `