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bindingrule_read.go
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bindingrule_read.go
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package bindingruleread
import (
"flag"
"fmt"
"strings"
"github.com/hashicorp/consul/command/acl"
"github.com/hashicorp/consul/command/acl/bindingrule"
"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
ruleID string
showMeta bool
format string
}
func (c *cmd) init() {
c.flags = flag.NewFlagSet("", flag.ContinueOnError)
c.flags.BoolVar(
&c.showMeta,
"meta",
false,
"Indicates that binding rule metadata such "+
"as the raft indices should be shown for each entry.",
)
c.flags.StringVar(
&c.ruleID,
"id",
"",
"The ID of the binding rule to read. "+
"It may be specified as a unique ID prefix but will error if the prefix "+
"matches multiple binding rule IDs",
)
c.flags.StringVar(
&c.format,
"format",
bindingrule.PrettyFormat,
fmt.Sprintf("Output format {%s}", strings.Join(bindingrule.GetSupportedFormats(), "|")),
)
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.ruleID == "" {
c.UI.Error(fmt.Sprintf("Must specify the -id 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
}
ruleID, err := acl.GetBindingRuleIDFromPartial(client, c.ruleID)
if err != nil {
c.UI.Error(fmt.Sprintf("Error determining binding rule ID: %v", err))
return 1
}
rule, _, err := client.ACL().BindingRuleRead(ruleID, nil)
if err != nil {
c.UI.Error(fmt.Sprintf("Error reading binding rule %q: %v", ruleID, err))
return 1
} else if rule == nil {
c.UI.Error(fmt.Sprintf("Binding rule not found with ID %q", ruleID))
return 1
}
formatter, err := bindingrule.NewFormatter(c.format, c.showMeta)
if err != nil {
c.UI.Error(err.Error())
return 1
}
out, err := formatter.FormatBindingRule(rule)
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)
}
const synopsis = "Read an ACL binding rule"
const help = `
Usage: consul acl binding-rule read -id ID [options]
This command will retrieve and print out the details of a single binding
rule.
Read a binding rule:
$ consul acl binding-rule read -id fdabbcb5-9de5-4b1a-961f-77214ae88cba
`