275 lines
6.6 KiB
Go
275 lines
6.6 KiB
Go
package authmethodcreate
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import (
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"encoding/json"
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"flag"
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"fmt"
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"io"
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"strings"
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"time"
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"github.com/hashicorp/consul/api"
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"github.com/hashicorp/consul/command/acl/authmethod"
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"github.com/hashicorp/consul/command/flags"
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"github.com/hashicorp/consul/command/helpers"
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"github.com/mitchellh/cli"
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)
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func New(ui cli.Ui) *cmd {
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c := &cmd{UI: ui}
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c.init()
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return c
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}
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type cmd struct {
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UI cli.Ui
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flags *flag.FlagSet
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http *flags.HTTPFlags
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help string
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authMethodType string
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name string
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displayName string
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description string
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maxTokenTTL time.Duration
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tokenLocality string
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config string
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k8sHost string
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k8sCACert string
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k8sServiceAccountJWT string
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showMeta bool
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format string
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testStdin io.Reader
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enterpriseCmd
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}
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func (c *cmd) init() {
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c.flags = flag.NewFlagSet("", flag.ContinueOnError)
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c.flags.BoolVar(
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&c.showMeta,
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"meta",
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false,
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"Indicates that auth method metadata such "+
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"as the raft indices should be shown for each entry.",
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)
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c.flags.StringVar(
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&c.authMethodType,
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"type",
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"",
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"The new auth method's type. This flag is required.",
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)
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c.flags.StringVar(
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&c.name,
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"name",
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"",
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"The new auth method's name. This flag is required.",
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)
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c.flags.StringVar(
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&c.displayName,
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"display-name",
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"",
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"An optional name to use instead of the name when displaying this auth method in a UI.",
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)
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c.flags.StringVar(
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&c.description,
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"description",
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"",
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"A description of the auth method.",
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)
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c.flags.DurationVar(
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&c.maxTokenTTL,
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"max-token-ttl",
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0,
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"Duration of time all tokens created by this auth method should be valid for",
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)
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c.flags.StringVar(
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&c.tokenLocality,
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"token-locality",
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"",
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"Defines the kind of token that this auth method should produce. "+
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"This can be either 'local' or 'global'. If empty the value of 'local' is assumed.",
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)
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c.flags.StringVar(
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&c.k8sHost,
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"kubernetes-host",
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"",
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"Address of the Kubernetes API server. This flag is required for type=kubernetes.",
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)
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c.flags.StringVar(
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&c.k8sCACert,
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"kubernetes-ca-cert",
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"",
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"PEM encoded CA cert for use by the TLS client used to talk with the "+
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"Kubernetes API. May be prefixed with '@' to indicate that the "+
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"value is a file path to load the cert from. "+
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"This flag is required for type=kubernetes.",
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)
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c.flags.StringVar(
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&c.k8sServiceAccountJWT,
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"kubernetes-service-account-jwt",
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"",
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"A Kubernetes service account JWT used to access the TokenReview API to "+
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"validate other JWTs during login. "+
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"This flag is required for type=kubernetes.",
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)
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c.flags.StringVar(
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&c.format,
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"format",
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authmethod.PrettyFormat,
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fmt.Sprintf("Output format {%s}", strings.Join(authmethod.GetSupportedFormats(), "|")),
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)
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c.flags.StringVar(
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&c.config,
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"config",
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"",
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"The configuration for the auth method. Must be JSON. May be prefixed with '@' "+
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"to indicate that the value is a file path to load the config from. '-' may also be "+
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"given to indicate that the config is available on stdin",
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)
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c.initEnterpriseFlags()
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c.http = &flags.HTTPFlags{}
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flags.Merge(c.flags, c.http.ClientFlags())
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flags.Merge(c.flags, c.http.ServerFlags())
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flags.Merge(c.flags, c.http.NamespaceFlags())
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c.help = flags.Usage(help, c.flags)
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}
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func (c *cmd) Run(args []string) int {
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if err := c.flags.Parse(args); err != nil {
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return 1
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}
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if c.authMethodType == "" {
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c.UI.Error(fmt.Sprintf("Missing required '-type' flag"))
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c.UI.Error(c.Help())
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return 1
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} else if c.name == "" {
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c.UI.Error(fmt.Sprintf("Missing required '-name' flag"))
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c.UI.Error(c.Help())
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return 1
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}
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client, err := c.http.APIClient()
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if err != nil {
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c.UI.Error(fmt.Sprintf("Error connecting to Consul agent: %s", err))
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return 1
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}
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newAuthMethod := &api.ACLAuthMethod{
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Type: c.authMethodType,
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Name: c.name,
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DisplayName: c.displayName,
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Description: c.description,
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TokenLocality: c.tokenLocality,
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}
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if c.maxTokenTTL > 0 {
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newAuthMethod.MaxTokenTTL = c.maxTokenTTL
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}
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if err := c.enterprisePopulateAuthMethod(newAuthMethod); err != nil {
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c.UI.Error(err.Error())
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return 1
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}
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if c.config != "" {
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if c.k8sHost != "" || c.k8sCACert != "" || c.k8sServiceAccountJWT != "" {
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c.UI.Error(fmt.Sprintf("Cannot use command line arguments with '-config' flags"))
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return 1
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}
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data, err := helpers.LoadDataSource(c.config, c.testStdin)
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if err != nil {
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c.UI.Error(fmt.Sprintf("Error loading configuration file: %v", err))
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return 1
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}
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err = json.Unmarshal([]byte(data), &newAuthMethod.Config)
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if err != nil {
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c.UI.Error(fmt.Sprintf("Error parsing JSON configuration file: %v", err))
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return 1
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}
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}
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if c.authMethodType == "kubernetes" {
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if c.k8sHost == "" {
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c.UI.Error(fmt.Sprintf("Missing required '-kubernetes-host' flag"))
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return 1
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} else if c.k8sCACert == "" {
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c.UI.Error(fmt.Sprintf("Missing required '-kubernetes-ca-cert' flag"))
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return 1
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} else if c.k8sServiceAccountJWT == "" {
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c.UI.Error(fmt.Sprintf("Missing required '-kubernetes-service-account-jwt' flag"))
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return 1
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}
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c.k8sCACert, err = helpers.LoadDataSource(c.k8sCACert, c.testStdin)
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if err != nil {
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c.UI.Error(fmt.Sprintf("Invalid '-kubernetes-ca-cert' value: %v", err))
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return 1
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} else if c.k8sCACert == "" {
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c.UI.Error(fmt.Sprintf("Kubernetes CA Cert is empty"))
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return 1
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}
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newAuthMethod.Config = map[string]interface{}{
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"Host": c.k8sHost,
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"CACert": c.k8sCACert,
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"ServiceAccountJWT": c.k8sServiceAccountJWT,
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}
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}
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method, _, err := client.ACL().AuthMethodCreate(newAuthMethod, nil)
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if err != nil {
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c.UI.Error(fmt.Sprintf("Failed to create new auth method: %v", err))
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return 1
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}
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formatter, err := authmethod.NewFormatter(c.format, c.showMeta)
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if err != nil {
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c.UI.Error(err.Error())
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return 1
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}
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out, err := formatter.FormatAuthMethod(method)
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if err != nil {
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c.UI.Error(err.Error())
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return 1
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}
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if out != "" {
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c.UI.Info(out)
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}
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return 0
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}
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func (c *cmd) Synopsis() string {
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return synopsis
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}
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func (c *cmd) Help() string {
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return flags.Usage(c.help, nil)
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}
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const synopsis = "Create an ACL auth method"
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const help = `
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Usage: consul acl auth-method create -name NAME -type TYPE [options]
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Create a new auth method:
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$ consul acl auth-method create -type "kubernetes" \
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-name "my-k8s" \
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-description "This is an example kube method" \
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-kubernetes-host "https://apiserver.example.com:8443" \
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-kubernetes-ca-file /path/to/kube.ca.crt \
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-kubernetes-service-account-jwt "JWT_CONTENTS"
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`
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