/
role_create.go
167 lines (142 loc) · 4.64 KB
/
role_create.go
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package rolecreate
import (
"flag"
"fmt"
"strings"
"github.com/hashicorp/consul/api"
"github.com/hashicorp/consul/command/acl"
"github.com/hashicorp/consul/command/acl/role"
"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
name string
description string
policyIDs []string
policyNames []string
serviceIdents []string
nodeIdents []string
showMeta bool
format string
}
func (c *cmd) init() {
c.flags = flag.NewFlagSet("", flag.ContinueOnError)
c.flags.BoolVar(&c.showMeta, "meta", false, "Indicates that role metadata such "+
"as the content hash and raft indices should be shown for each entry")
c.flags.StringVar(&c.name, "name", "", "The new role's name. This flag is required.")
c.flags.StringVar(&c.description, "description", "", "A description of the role")
c.flags.Var((*flags.AppendSliceValue)(&c.policyIDs), "policy-id", "ID of a "+
"policy to use for this role. May be specified multiple times")
c.flags.Var((*flags.AppendSliceValue)(&c.policyNames), "policy-name", "Name of a "+
"policy to use for this role. May be specified multiple times")
c.flags.Var((*flags.AppendSliceValue)(&c.serviceIdents), "service-identity", "Name of a "+
"service identity to use for this role. May be specified multiple times. Format is "+
"the SERVICENAME or SERVICENAME:DATACENTER1,DATACENTER2,...")
c.flags.Var((*flags.AppendSliceValue)(&c.nodeIdents), "node-identity", "Name of a "+
"node identity to use for this role. May be specified multiple times. Format is "+
"NODENAME:DATACENTER")
c.flags.StringVar(
&c.format,
"format",
role.PrettyFormat,
fmt.Sprintf("Output format {%s}", strings.Join(role.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.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.name == "" {
c.UI.Error(fmt.Sprintf("Missing require '-name' flag"))
c.UI.Error(c.Help())
return 1
}
if len(c.policyNames) == 0 && len(c.policyIDs) == 0 && len(c.serviceIdents) == 0 && len(c.nodeIdents) == 0 {
c.UI.Error(fmt.Sprintf("Cannot create a role without specifying -policy-name, -policy-id, -service-identity, or -node-identity at least once"))
return 1
}
client, err := c.http.APIClient()
if err != nil {
c.UI.Error(fmt.Sprintf("Error connecting to Consul agent: %s", err))
return 1
}
newRole := &api.ACLRole{
Name: c.name,
Description: c.description,
}
for _, policyName := range c.policyNames {
// We could resolve names to IDs here but there isn't any reason why its would be better
// than allowing the agent to do it.
newRole.Policies = append(newRole.Policies, &api.ACLRolePolicyLink{Name: policyName})
}
for _, policyID := range c.policyIDs {
policyID, err := acl.GetPolicyIDFromPartial(client, policyID)
if err != nil {
c.UI.Error(fmt.Sprintf("Error resolving policy ID %s: %v", policyID, err))
return 1
}
newRole.Policies = append(newRole.Policies, &api.ACLRolePolicyLink{ID: policyID})
}
parsedServiceIdents, err := acl.ExtractServiceIdentities(c.serviceIdents)
if err != nil {
c.UI.Error(err.Error())
return 1
}
newRole.ServiceIdentities = parsedServiceIdents
parsedNodeIdents, err := acl.ExtractNodeIdentities(c.nodeIdents)
if err != nil {
c.UI.Error(err.Error())
return 1
}
newRole.NodeIdentities = parsedNodeIdents
r, _, err := client.ACL().RoleCreate(newRole, nil)
if err != nil {
c.UI.Error(fmt.Sprintf("Failed to create new role: %v", err))
return 1
}
formatter, err := role.NewFormatter(c.format, c.showMeta)
if err != nil {
c.UI.Error(err.Error())
return 1
}
out, err := formatter.FormatRole(r)
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 = "Create an ACL role"
const help = `
Usage: consul acl role create -name NAME [options]
Create a new role:
$ consul acl role create -name "new-role" \
-description "This is an example role" \
-policy-id b52fc3de-5 \
-policy-name "acl-replication" \
-service-identity "web" \
-service-identity "db:east,west"
`