consul/command/acl/policy/read/policy_read.go
Matt Keeler a704ebe639
Add Namespace support to the API module and the CLI commands (#6874)
Also update the Docs and fixup the HTTP API to return proper errors when someone attempts to use Namespaces with an OSS agent.

Add Namespace HTTP API docs

Make all API endpoints disallow unknown fields
2019-12-06 11:14:56 -05:00

104 lines
2.4 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
showMeta bool
}
func (c *cmd) init() {
c.flags = flag.NewFlagSet("", flag.ContinueOnError)
c.flags.BoolVar(&c.showMeta, "meta", false, "Indicates that policy metadata such "+
"as the content hash and raft indices should be shown for each entry")
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())
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
}
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, c.showMeta)
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 -id fdabbcb5-9de5-4b1a-961f-77214ae88cba
Read by name:
$ consul acl policy read -name my-policy
`