*: move sample config file to root directory

etcd.conf.yml.sample

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+# This is the configuration file for the etcd server.
+
+# Human-readable name for this member.
+name: 'default'
+
+# Path to the data directory.
+data-dir:
+
+# Path to the dedicated wal directory.
+wal-dir:
+
+# Number of committed transactions to trigger a snapshot to disk.
+snapshot-count: 10000
+
+# Time (in milliseconds) of a heartbeat interval.
+heartbeat-interval: 100
+
+# Time (in milliseconds) for an election to timeout.
+election-timeout: 1000
+
+# Raise alarms when backend size exceeds the given quota. 0 means use the
+# default quota.
+quota-backend-bytes: 0
+
+# List of comma separated URLs to listen on for peer traffic.
+listen-peer-urls: http://localhost:2380,http://localhost:7001
+
+# List of comma separated URLs to listen on for client traffic.
+listen-client-urls: http://localhost:2379,http://localhost:4001
+
+# Maximum number of snapshot files to retain (0 is unlimited).
+max-snapshots: 5
+
+# Maximum number of wal files to retain (0 is unlimited).
+max-wals: 5
+
+# Comma-separated white list of origins for CORS (cross-origin resource sharing).
+cors: 
+
+# List of this member's peer URLs to advertise to the rest of the cluster.
+# The URLs needed to be a comma-separated list.
+initial-advertise-peer-urls: http://localhost:2380,http://localhost:7001
+
+# List of this member's client URLs to advertise to the public.
+# The URLs needed to be a comma-separated list.
+advertise-client-urls: http://localhost:2379,http://localhost:4001
+
+# Discovery URL used to bootstrap the cluster.
+discovery: 
+
+# Valid values include 'exit', 'proxy'
+discovery-fallback: 'proxy'
+
+# HTTP proxy to use for traffic to discovery service.
+discovery-proxy: 
+
+# DNS domain used to bootstrap initial cluster.
+discovery-srv: 
+
+# Initial cluster configuration for bootstrapping.
+initial-cluster:
+
+# Initial cluster token for the etcd cluster during bootstrap.
+initial-cluster-token: 'etcd-cluster'
+
+# Initial cluster state ('new' or 'existing').
+initial-cluster-state: 'new'
+
+# Reject reconfiguration requests that would cause quorum loss.
+strict-reconfig-check: false
+
+# Valid values include 'on', 'readonly', 'off'
+proxy: 'off'
+
+# Time (in milliseconds) an endpoint will be held in a failed state.
+proxy-failure-wait: 5000
+
+# Time (in milliseconds) of the endpoints refresh interval.
+proxy-refresh-interval: 30000
+
+# Time (in milliseconds) for a dial to timeout.
+proxy-dial-timeout: 1000
+
+# Time (in milliseconds) for a write to timeout.
+proxy-write-timeout: 5000
+
+# Time (in milliseconds) for a read to timeout.
+proxy-read-timeout: 0
+
+client-transport-security: 
+  # DEPRECATED: Path to the client server TLS CA file.
+  ca-file: 
+
+  # Path to the client server TLS cert file.
+  cert-file: 
+
+  # Path to the client server TLS key file.
+  key-file: 
+
+  # Enable client cert authentication.
+  client-cert-auth: false
+
+  # Path to the client server TLS trusted CA key file.
+  trusted-ca-file: 
+
+  # Client TLS using generated certificates
+  auto-tls: false
+
+peer-transport-security: 
+  # DEPRECATED: Path to the peer server TLS CA file.
+  ca-file:
+
+  # Path to the peer server TLS cert file.
+  peer-cert-file: 
+
+  # Path to the peer server TLS key file.
+  peer-key-file: 
+
+  # Enable peer client cert authentication.
+  peer-client-cert-auth: false
+
+  # Path to the peer server TLS trusted CA key file.
+  peer-trusted-ca-file: 
+
+  # Peer TLS using generated certificates.
+  auto-tls: false
+
+# Enable debug-level logging for etcd.
+debug: false
+
+# Specify a particular log level for each etcd package (eg: 'etcdmain=CRITICAL,etcdserver=DEBUG'.
+log-package-levels: 
+
+# Force to create a new one member cluster.
+force-new-cluster: false