consul/command/acl/templatedpolicy/read/templated_policy_read.go

120 lines
2.7 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: BUSL-1.1
package templatedpolicyread
import (
"flag"
"fmt"
"strings"
"github.com/mitchellh/cli"
"github.com/hashicorp/consul/api"
"github.com/hashicorp/consul/command/acl/templatedpolicy"
"github.com/hashicorp/consul/command/flags"
)
const (
PrettyFormat string = "pretty"
JSONFormat string = "json"
synopsis = "Read an ACL Templated Policy"
help = `
Usage: consul acl templated-policy read [options] TEMPLATED_POLICY
This command will retrieve and print out the details of a single templated policy.
Example:
$ consul acl templated-policy read -name templated-policy-name
`
)
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
templateName string
format string
showMeta bool
}
func (c *cmd) init() {
c.flags = flag.NewFlagSet("", flag.ContinueOnError)
c.flags.StringVar(&c.templateName, "name", "", "The name of the templated policy to read.")
c.flags.StringVar(
&c.format,
"format",
templatedpolicy.PrettyFormat,
fmt.Sprintf("Output format {%s}", strings.Join(templatedpolicy.GetSupportedFormats(), "|")),
)
c.flags.BoolVar(&c.showMeta, "meta", false, "Indicates that templated policy metadata such "+
"as the schema and template code should be shown for each entry.")
c.http = &flags.HTTPFlags{}
flags.Merge(c.flags, c.http.ClientFlags())
flags.Merge(c.flags, c.http.ServerFlags())
flags.Merge(c.flags, c.http.MultiTenancyFlags())
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.templateName == "" {
c.UI.Error("Must specify the -name parameter")
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 tp *api.ACLTemplatedPolicyResponse
tp, _, err = client.ACL().TemplatedPolicyReadByName(c.templateName, nil)
if err != nil {
c.UI.Error(fmt.Sprintf("Error reading templated policy %q: %v", c.templateName, err))
return 1
} else if tp == nil {
c.UI.Error(fmt.Sprintf("Templated policy not found with name %q", c.templateName))
return 1
}
formatter, err := templatedpolicy.NewFormatter(c.format, c.showMeta)
if err != nil {
c.UI.Error(err.Error())
return 1
}
out, err := formatter.FormatTemplatedPolicy(*tp)
if err != nil {
c.UI.Error(err.Error())
return 1
}
if out != "" {
c.UI.Info(out)
}
return 0
}
func (c *cmd) Synopsis() string {
return synopsis
}
func (c *cmd) Help() string {
return flags.Usage(c.help, nil)
}