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etcd/Documentation/external-documentation.md
Ben Johnson cba2611c68 Renamed configuration parameters.
2013-11-15 00:13:32 -05:00

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Etcd Configuration

Configuration options can be set in three places:

  1. Command line flags
  2. Environment variables
  3. Configuration file

Options set on the command line take precedence over all other sources. Options set in environment variables take precedence over options set in configuration files.

Command Line Flags

Required

  • -name - The node name. Defaults to the hostname.

Optional

  • -addr - The advertised public hostname:port for client communication. Defaults to 127.0.0.1:4001.
  • -bind-addr - The listening hostname for client communication. Defaults to advertised ip.
  • -peers - A comma separated list of peers in the cluster (i.e "203.0.113.101:7001,203.0.113.102:7001").
  • -peers-file - The file path containing a comma separated list of peers in the cluster.
  • -ca-file - The path of the client CAFile. Enables client cert authentication when present.
  • -cert-file - The cert file of the client.
  • -key-file - The key file of the client.
  • -config - The path of the etcd config file. Defaults to /etc/etcd/etcd.conf.
  • -cors-origins - A comma separated white list of origins for cross-origin resource sharing.
  • -cpuprofile - The path to a file to output cpu profile data. Enables cpu profiling when present.
  • -data-dir - The directory to store log and snapshot. Defaults to the current working directory.
  • -max-result-buffer - The max size of result buffer. Defaults to 1024.
  • -max-cluster-size - The max size of the cluster. Defaults to 9.
  • -max-retry-attempts - The max retry attempts when trying to join a cluster. Defaults to 3.
  • -peer-addr - The advertised public hostname:port for server communication. Defaults to 127.0.0.1:7001.
  • -peer-bind-addr - The listening hostname for server communication. Defaults to advertised ip.
  • -peer-ca-file - The path of the CAFile. Enables client/peer cert authentication when present.
  • -peer-cert-file - The cert file of the server.
  • -peer-key-file - The key file of the server.
  • -snapshot - Open or close snapshot. Defaults to false.
  • -v - Enable verbose logging. Defaults to false.
  • -vv - Enable very verbose logging. Defaults to false.
  • -version - Print the version and exit.
  • -web-url - The hostname:port of web interface.

Configuration File

The etcd configuration file is written in TOML and read from /etc/etcd/etcd.conf by default.

addr = "127.0.0.1:4001"
bind_addr = "127.0.0.1:4001"
ca_file = ""
cert_file = ""
cors_origins = []
cpu_profile_file = ""
data_dir = "."
key_file = ""
peers = []
peers_file = ""
max_cluster_size = 9
max_result_buffer = 1024
max_retry_attempts = 3
name = "default-name"
snapshot = false
verbose = false
very_verbose = false
web_url = ""

[peer]
addr = "127.0.0.1:7001"
bind_addr = "127.0.0.1:7001"
ca_file = ""
cert_file = ""
key_file = ""

Environment Variables

  • ETCD_ADDR
  • ETCD_BIND_ADDR
  • ETCD_CA_FILE
  • ETCD_CERT_FILE
  • ETCD_CORS_ORIGINS
  • ETCD_CONFIG
  • ETCD_CPU_PROFILE_FILE
  • ETCD_DATA_DIR
  • ETCD_KEY_FILE
  • ETCD_PEERS
  • ETCD_PEERS_FILE
  • ETCD_MAX_CLUSTER_SIZE
  • ETCD_MAX_RESULT_BUFFER
  • ETCD_MAX_RETRY_ATTEMPTS
  • ETCD_NAME
  • ETCD_SNAPSHOT
  • ETCD_VERBOSE
  • ETCD_VERY_VERBOSE
  • ETCD_WEB_URL
  • ETCD_PEER_ADDR
  • ETCD_PEER_BIND_ADDR
  • ETCD_PEER_CA_FILE
  • ETCD_PEER_CERT_FILE
  • ETCD_PEER_KEY_FILE