86 lines
1.7 KiB
Go
86 lines
1.7 KiB
Go
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package list
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import (
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"flag"
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"fmt"
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"github.com/hashicorp/consul/command/flags"
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"github.com/mitchellh/cli"
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"github.com/ryanuber/columnize"
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)
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func New(ui cli.Ui) *cmd {
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c := &cmd{UI: ui}
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c.init()
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return c
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}
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type cmd struct {
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UI cli.Ui
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flags *flag.FlagSet
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http *flags.HTTPFlags
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help string
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}
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func (c *cmd) init() {
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c.flags = flag.NewFlagSet("", flag.ContinueOnError)
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c.http = &flags.HTTPFlags{}
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flags.Merge(c.flags, c.http.ClientFlags())
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flags.Merge(c.flags, c.http.ServerFlags())
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flags.Merge(c.flags, c.http.NamespaceFlags())
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c.help = flags.Usage(help, c.flags)
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}
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func (c *cmd) Run(args []string) int {
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if err := c.flags.Parse(args); err != nil {
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return 1
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}
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client, err := c.http.APIClient()
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if err != nil {
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c.UI.Error(fmt.Sprintf("Error connecting to Consul agent: %s", err))
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return 1
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}
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ixns, _, err := client.Connect().Intentions(nil)
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if err != nil {
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c.UI.Error(fmt.Sprintf("Failed to retrieve the intentions list: %s", err))
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return 1
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}
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if len(ixns) == 0 {
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c.UI.Error(fmt.Sprintf("There are no intentions."))
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return 2
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}
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result := make([]string, 0, len(ixns))
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header := "ID\x1fSource\x1fAction\x1fDestination\x1fPrecedence"
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result = append(result, header)
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for _, ixn := range ixns {
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line := fmt.Sprintf("%s\x1f%s\x1f%s\x1f%s\x1f%d",
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ixn.ID, ixn.SourceName, ixn.Action, ixn.DestinationName, ixn.Precedence)
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result = append(result, line)
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}
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output := columnize.Format(result, &columnize.Config{Delim: string([]byte{0x1f})})
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c.UI.Output(output)
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return 0
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}
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func (c *cmd) Synopsis() string {
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return synopsis
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}
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func (c *cmd) Help() string {
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return c.help
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}
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const synopsis = "List intentions."
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const help = `
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Usage: consul intention list
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List all intentions.
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`
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