# something else (ex. T:), which is a volume used in internal CI.
function replace_drive_letter_with_prefix () {
  local path_prefix
  if [[ -z "$2" ]]; then
    path_prefix="C:"
  else
    path_prefix="$2"
  fi
  sed -E "s|^[a-zA-Z]:|${path_prefix}|g" <<< "$1"

```
KEY:
etcd  federate multiple clusters for IAM and Bucket DNS

ARGS:
endpoints*       (csv)       comma separated list of etcd endpoints e.g. "http://localhost:2379"
path_prefix      (path)      namespace prefix to isolate tenants e.g. "customer1/"

		return nil, nil
	}
	cli, err := clientv3.New(cfg.Config)
	if err != nil {
		return nil, err
	}
	cli.KV = namespace.NewKV(cli.KV, cfg.PathPrefix)
	cli.Watcher = namespace.NewWatcher(cli.Watcher, cfg.PathPrefix)
	cli.Lease = namespace.NewLease(cli.Lease, cfg.PathPrefix)
	return cli, nil
}

func parseEndpoints(endpoints string) ([]string, bool, error) {
	etcdEndpoints := strings.Split(endpoints, config.ValueSeparator)

	ctx, cancel := context.WithTimeout(context.Background(), testDefaultTimeout)
	defer cancel()

	configCmds := []string{
		"etcd",
		"endpoints=" + etcdServer,
		"path_prefix=" + mustGetUUID(),
	}
	_, err := s.adm.SetConfigKV(ctx, strings.Join(configCmds, " "))
	if err != nil {
		c.Fatalf("unable to setup Etcd for tests: %v", err)
	}

	s.RestartIAMSuite(c)
}

     * @return The path prefix.
     */
    public String getPathPrefix() {
        return pathPrefix;
    }

    /**
     * Sets the path prefix for API endpoints.
     * @param pathPrefix The path prefix to set.
     */
    public void setPathPrefix(final String pathPrefix) {
        this.pathPrefix = pathPrefix;
    }

    /**
     * Gets the format type for the request.

                final String pathPrefix = ADMIN_SERVER + token;
                if (!servletPath.startsWith(pathPrefix)) {
                    throw new WebApiException(HttpServletResponse.SC_FORBIDDEN, "Invalid access token.");
                }
                final String path;
                final String value = servletPath.substring(pathPrefix.length());
                if (!value.startsWith("/")) {

            } else if (key.startsWith(CLIENT_PREFIX)) {
                clientConfigMap.put(key.substring(CLIENT_PREFIX.length()), entry.getValue());
            } else if (key.startsWith(XPATH_PREFIX)) {
                xpathConfigMap.put(key.substring(XPATH_PREFIX.length()), entry.getValue());
            } else if (key.startsWith(META_PREFIX)) {
                metaConfigMap.put(key.substring(META_PREFIX.length()), entry.getValue());

            - name: MINIO_ETCD_CLIENT_CERT_KEY
              value: "/tmp/credentials/etcd_client_cert_key.pem"
            {{- end }}
            {{- if .Values.etcd.pathPrefix }}
            - name: MINIO_ETCD_PATH_PREFIX
              value: {{ .Values.etcd.pathPrefix }}
            {{- end }}
            {{- if .Values.etcd.corednsPathPrefix }}
            - name: MINIO_ETCD_COREDNS_PATH

	prometheusPublic prometheusAuthType = "public"
)

// registerMetricsRouter - add handler functions for metrics.
func registerMetricsRouter(router *mux.Router) {
	// metrics router
	metricsRouter := router.NewRoute().PathPrefix(minioReservedBucketPath).Subrouter()
	authType := prometheusAuthType(strings.ToLower(env.Get(EnvPrometheusAuthType, string(prometheusJWT))))

	auth := AuthMiddleware
	if authType == prometheusPublic {

		err = errNoSuchGroup
	}
	return err
}

// Lists objects in the minioMetaBucket at the given path prefix. All returned
// items have the pathPrefix removed from their names.
func listIAMConfigItems(ctx context.Context, objAPI ObjectLayer, pathPrefix string) <-chan itemOrErr[string] {
	ch := make(chan itemOrErr[string])

	go func() {
		defer xioutil.SafeClose(ch)