open-consul/command/acl/policy/read/policy_read.go

100 lines
2.1 KiB
Go

package policyread
import (
"flag"
"fmt"
"github.com/hashicorp/consul/command/acl"
"github.com/hashicorp/consul/command/flags"
"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
policyID string
policyName string
}
func (c *cmd) init() {
c.flags = flag.NewFlagSet("", flag.ContinueOnError)
c.flags.StringVar(&c.policyID, "id", "", "The ID of the policy to read. "+
"It may be specified as a unique ID prefix but will error if the prefix "+
"matches multiple policy IDs")
c.flags.StringVar(&c.policyName, "name", "", "The name of the policy to read.")
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
}
if c.policyID == "" && c.policyName == "" {
c.UI.Error(fmt.Sprintf("Must specify either the -id or -name parameters"))
return 1
}
client, err := c.http.APIClient()
if err != nil {
c.UI.Error(fmt.Sprintf("Error connecting to Consul agent: %s", err))
return 1
}
var policyID string
if c.policyID != "" {
policyID, err = acl.GetPolicyIDFromPartial(client, c.policyID)
} else {
policyID, err = acl.GetPolicyIDByName(client, c.policyName)
}
if err != nil {
c.UI.Error(fmt.Sprintf("Error determining policy ID: %v", err))
return 1
}
policy, _, err := client.ACL().PolicyRead(policyID, nil)
if err != nil {
c.UI.Error(fmt.Sprintf("Error reading policy %q: %v", policyID, err))
return 1
}
acl.PrintPolicy(policy, c.UI, true)
return 0
}
func (c *cmd) Synopsis() string {
return synopsis
}
func (c *cmd) Help() string {
return flags.Usage(c.help, nil)
}
const synopsis = "Read an ACL Policy"
const help = `
Usage: consul acl policy read [options] POLICY
This command will retrieve and print out the details
of a single policy
Read:
$ consul acl policy read fdabbcb5-9de5-4b1a-961f-77214ae88cba
Read by name:
$ consul acl policy read -by-name my-policy
`