diff --git a/vendor/github.com/coreos/etcd/etcdmain/help.go b/vendor/github.com/coreos/etcd/etcdmain/help.go
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+// Copyright 2015 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package etcdmain
+
+import (
+	"strconv"
+
+	"github.com/coreos/etcd/embed"
+)
+
+var (
+	usageline = `usage: etcd [flags]
+       start an etcd server
+
+       etcd --version
+       show the version of etcd
+
+       etcd -h | --help
+       show the help information about etcd
+
+       etcd --config-file
+       path to the server configuration file
+
+       etcd gateway
+       run the stateless pass-through etcd TCP connection forwarding proxy
+
+       etcd grpc-proxy
+       run the stateless etcd v3 gRPC L7 reverse proxy
+	`
+	flagsline = `
+member flags:
+
+	--name 'default'
+		human-readable name for this member.
+	--data-dir '${name}.etcd'
+		path to the data directory.
+	--wal-dir ''
+		path to the dedicated wal directory.
+	--snapshot-count '100000'
+		number of committed transactions to trigger a snapshot to disk.
+	--heartbeat-interval '100'
+		time (in milliseconds) of a heartbeat interval.
+	--election-timeout '1000'
+		time (in milliseconds) for an election to timeout. See tuning documentation for details.
+	--initial-election-tick-advance 'true'
+		whether to fast-forward initial election ticks on boot for faster election.
+	--listen-peer-urls 'http://localhost:2380'
+		list of URLs to listen on for peer traffic.
+	--listen-client-urls 'http://localhost:2379'
+		list of URLs to listen on for client traffic.
+	--max-snapshots '` + strconv.Itoa(embed.DefaultMaxSnapshots) + `'
+		maximum number of snapshot files to retain (0 is unlimited).
+	--max-wals '` + strconv.Itoa(embed.DefaultMaxWALs) + `'
+		maximum number of wal files to retain (0 is unlimited).
+	--cors ''
+		comma-separated whitelist of origins for CORS (cross-origin resource sharing).
+	--quota-backend-bytes '0'
+		raise alarms when backend size exceeds the given quota (0 defaults to low space quota).
+	--max-txn-ops '128'
+		maximum number of operations permitted in a transaction.
+	--max-request-bytes '1572864'
+		maximum client request size in bytes the server will accept.
+	--grpc-keepalive-min-time '5s'
+		minimum duration interval that a client should wait before pinging server.
+	--grpc-keepalive-interval '2h'
+		frequency duration of server-to-client ping to check if a connection is alive (0 to disable).
+	--grpc-keepalive-timeout '20s'
+		additional duration of wait before closing a non-responsive connection (0 to disable).
+
+clustering flags:
+
+	--initial-advertise-peer-urls 'http://localhost:2380'
+		list of this member's peer URLs to advertise to the rest of the cluster.
+	--initial-cluster 'default=http://localhost:2380'
+		initial cluster configuration for bootstrapping.
+	--initial-cluster-state 'new'
+		initial cluster state ('new' or 'existing').
+	--initial-cluster-token 'etcd-cluster'
+		initial cluster token for the etcd cluster during bootstrap.
+		Specifying this can protect you from unintended cross-cluster interaction when running multiple clusters.
+	--advertise-client-urls 'http://localhost:2379'
+		list of this member's client URLs to advertise to the public.
+		The client URLs advertised should be accessible to machines that talk to etcd cluster. etcd client libraries parse these URLs to connect to the cluster.
+	--discovery ''
+		discovery URL used to bootstrap the cluster.
+	--discovery-fallback 'proxy'
+		expected behavior ('exit' or 'proxy') when discovery services fails.
+		"proxy" supports v2 API only.
+	--discovery-proxy ''
+		HTTP proxy to use for traffic to discovery service.
+	--discovery-srv ''
+		dns srv domain used to bootstrap the cluster.
+	--strict-reconfig-check '` + strconv.FormatBool(embed.DefaultStrictReconfigCheck) + `'
+		reject reconfiguration requests that would cause quorum loss.
+	--auto-compaction-retention '0'
+		auto compaction retention length. 0 means disable auto compaction.
+	--auto-compaction-mode 'periodic'
+		interpret 'auto-compaction-retention' one of: periodic|revision. 'periodic' for duration based retention, defaulting to hours if no time unit is provided (e.g. '5m'). 'revision' for revision number based retention.
+	--enable-v2 '` + strconv.FormatBool(embed.DefaultEnableV2) + `'
+		Accept etcd V2 client requests.
+
+proxy flags:
+	"proxy" supports v2 API only.
+
+	--proxy 'off'
+		proxy mode setting ('off', 'readonly' or 'on').
+	--proxy-failure-wait 5000
+		time (in milliseconds) an endpoint will be held in a failed state.
+	--proxy-refresh-interval 30000
+		time (in milliseconds) of the endpoints refresh interval.
+	--proxy-dial-timeout 1000
+		time (in milliseconds) for a dial to timeout.
+	--proxy-write-timeout 5000
+		time (in milliseconds) for a write to timeout.
+	--proxy-read-timeout 0
+		time (in milliseconds) for a read to timeout.
+
+
+security flags:
+
+	--ca-file '' [DEPRECATED]
+		path to the client server TLS CA file. '-ca-file ca.crt' could be replaced by '-trusted-ca-file ca.crt -client-cert-auth' and etcd will perform the same.
+	--cert-file ''
+		path to the client server TLS cert file.
+	--key-file ''
+		path to the client server TLS key file.
+	--client-cert-auth 'false'
+		enable client cert authentication.
+	--client-crl-file ''
+		path to the client certificate revocation list file.
+	--trusted-ca-file ''
+		path to the client server TLS trusted CA cert file.
+	--auto-tls 'false'
+		client TLS using generated certificates.
+	--peer-ca-file '' [DEPRECATED]
+		path to the peer server TLS CA file. '-peer-ca-file ca.crt' could be replaced by '-peer-trusted-ca-file ca.crt -peer-client-cert-auth' and etcd will perform the same.
+	--peer-cert-file ''
+		path to the peer server TLS cert file.
+	--peer-key-file ''
+		path to the peer server TLS key file.
+	--peer-client-cert-auth 'false'
+		enable peer client cert authentication.
+	--peer-trusted-ca-file ''
+		path to the peer server TLS trusted CA file.
+	--peer-cert-allowed-cn ''
+		Required CN for client certs connecting to the peer endpoint.
+	--peer-auto-tls 'false'
+		peer TLS using self-generated certificates if --peer-key-file and --peer-cert-file are not provided.
+	--peer-crl-file ''
+		path to the peer certificate revocation list file.
+	--cipher-suites ''
+		comma-separated list of supported TLS cipher suites between client/server and peers (empty will be auto-populated by Go).
+
+logging flags
+
+	--debug 'false'
+		enable debug-level logging for etcd.
+	--log-package-levels ''
+		specify a particular log level for each etcd package (eg: 'etcdmain=CRITICAL,etcdserver=DEBUG').
+	--log-output 'default'
+		specify 'stdout' or 'stderr' to skip journald logging even when running under systemd.
+
+unsafe flags:
+
+Please be CAUTIOUS when using unsafe flags because it will break the guarantees
+given by the consensus protocol.
+
+	--force-new-cluster 'false'
+		force to create a new one-member cluster.
+
+profiling flags:
+	--enable-pprof 'false'
+		Enable runtime profiling data via HTTP server. Address is at client URL + "/debug/pprof/"
+	--metrics 'basic'
+		Set level of detail for exported metrics, specify 'extensive' to include histogram metrics.
+	--listen-metrics-urls ''
+		List of URLs to listen on for metrics.
+
+auth flags:
+	--auth-token 'simple'
+		Specify a v3 authentication token type and its options ('simple' or 'jwt').
+
+experimental flags:
+	--experimental-initial-corrupt-check 'false'
+		enable to check data corruption before serving any client/peer traffic.
+	--experimental-corrupt-check-time '0s'
+		duration of time between cluster corruption check passes.
+	--experimental-enable-v2v3 ''
+		serve v2 requests through the v3 backend under a given prefix.
+`
+)