open-consul/command/intention/delete/delete.go

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2018-05-12 05:19:39 +00:00
package delete
import (
"flag"
"fmt"
"io"
"github.com/hashicorp/consul/command/flags"
"github.com/hashicorp/consul/command/intention/finder"
"github.com/mitchellh/cli"
)
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())
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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
id, err := finder.IDFromArgs(client, c.flags.Args())
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if err != nil {
c.UI.Error(fmt.Sprintf("Error: %s", err))
return 1
}
// Read the intention
_, err = client.Connect().IntentionDelete(id, nil)
if err != nil {
c.UI.Error(fmt.Sprintf("Error reading the intention: %s", err))
return 1
}
c.UI.Output(fmt.Sprintf("Intention deleted."))
return 0
}
func (c *cmd) Synopsis() string {
return synopsis
}
func (c *cmd) Help() string {
return c.help
}
const synopsis = "Delete an intention."
const help = `
Usage: consul intention delete [options] SRC DST
Usage: consul intention delete [options] ID
Delete an intention. This cannot be reversed. The intention can be looked
up via an exact source/destination match or via the unique intention ID.
$ consul intention delete web db
`