[Centos7/Openstack]Openstack구축(7)-Install Etcd

202309.28

 

Controller

 

[root@controller ~]# yum install etcd
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirror.navercorp.com
 * centos-qemu-ev: mirror.navercorp.com
 * extras: mirror.navercorp.com
 * updates: mirror.navercorp.com
Resolving Dependencies
--> Running transaction check
---> Package etcd.x86_64 0:3.3.11-2.el7.centos will be installed
--> Finished Dependency Resolution

Dependencies Resolved

=============================================================================================
 Package         Arch              Version                           Repository         Size
=============================================================================================
Installing:
 etcd            x86_64            3.3.11-2.el7.centos               extras             10 M

Transaction Summary
=============================================================================================
Install  1 Package

Total download size: 10 M
Installed size: 45 M
Is this ok [y/d/N]: y
Downloading packages:
etcd-3.3.11-2.el7.centos.x86_64.rpm                                   |  10 MB  00:00:05
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : etcd-3.3.11-2.el7.centos.x86_64                                           1/1
  Verifying  : etcd-3.3.11-2.el7.centos.x86_64                                           1/1

Installed:
  etcd.x86_64 0:3.3.11-2.el7.centos

Complete!

 

 

[root@controller ~]# cat /etc/etcd/etcd.conf
#[Member]
#ETCD_CORS=""
ETCD_DATA_DIR="/var/lib/etcd/default.etcd"
#ETCD_WAL_DIR=""
ETCD_LISTEN_PEER_URLS="http://192.168.56.10:2380"
ETCD_LISTEN_CLIENT_URLS="http://192.168.56.10:2379"
#ETCD_MAX_SNAPSHOTS="5"
#ETCD_MAX_WALS="5"
ETCD_NAME="controller"
#ETCD_SNAPSHOT_COUNT="100000"
#ETCD_HEARTBEAT_INTERVAL="100"
#ETCD_ELECTION_TIMEOUT="1000"
#ETCD_QUOTA_BACKEND_BYTES="0"
#ETCD_MAX_REQUEST_BYTES="1572864"
#ETCD_GRPC_KEEPALIVE_MIN_TIME="5s"
#ETCD_GRPC_KEEPALIVE_INTERVAL="2h0m0s"
#ETCD_GRPC_KEEPALIVE_TIMEOUT="20s"
#
#[Clustering]
ETCD_INITIAL_ADVERTISE_PEER_URLS="http://192.168.56.10:2380"
ETCD_ADVERTISE_CLIENT_URLS="http://192.168.56.10:2379"
#ETCD_DISCOVERY=""
#ETCD_DISCOVERY_FALLBACK="proxy"
#ETCD_DISCOVERY_PROXY=""
#ETCD_DISCOVERY_SRV=""
ETCD_INITIAL_CLUSTER="controller=http://192.168.56.10:2380"
ETCD_INITIAL_CLUSTER_TOKEN="etcd-cluster-01"
ETCD_INITIAL_CLUSTER_STATE="new"
#ETCD_STRICT_RECONFIG_CHECK="true"
#ETCD_ENABLE_V2="true"
#
#[Proxy]
#ETCD_PROXY="off"
#ETCD_PROXY_FAILURE_WAIT="5000"
#ETCD_PROXY_REFRESH_INTERVAL="30000"
#ETCD_PROXY_DIAL_TIMEOUT="1000"
#ETCD_PROXY_WRITE_TIMEOUT="5000"
#ETCD_PROXY_READ_TIMEOUT="0"
#
#[Security]
#ETCD_CERT_FILE=""
#ETCD_KEY_FILE=""
#ETCD_CLIENT_CERT_AUTH="false"
#ETCD_TRUSTED_CA_FILE=""
#ETCD_AUTO_TLS="false"
#ETCD_PEER_CERT_FILE=""
#ETCD_PEER_KEY_FILE=""
#ETCD_PEER_CLIENT_CERT_AUTH="false"
#ETCD_PEER_TRUSTED_CA_FILE=""
#ETCD_PEER_AUTO_TLS="false"
#
#[Logging]
#ETCD_DEBUG="false"
#ETCD_LOG_PACKAGE_LEVELS=""
#ETCD_LOG_OUTPUT="default"
#
#[Unsafe]
#ETCD_FORCE_NEW_CLUSTER="false"
#
#[Version]
#ETCD_VERSION="false"
#ETCD_AUTO_COMPACTION_RETENTION="0"
#
#[Profiling]
#ETCD_ENABLE_PPROF="false"
#ETCD_METRICS="basic"
#
#[Auth]
#ETCD_AUTH_TOKEN="simple"

 

 

3. 

[root@controller ~]# systemctl enable etcd
Created symlink from /etc/systemd/system/multi-user.target.wants/etcd.service to /usr/lib/systemd/system/etcd.service.
[root@controller ~]# systemctl start etcd
[root@controller ~]# systemctl status etcd
● etcd.service - Etcd Server
   Loaded: loaded (/usr/lib/systemd/system/etcd.service; enabled; vendor preset: disabled)
   Active: active (running) since Thu 2023-09-28 13:31:49 KST; 4s ago
 Main PID: 13909 (etcd)
   CGroup: /system.slice/etcd.service
           └─13909 /usr/bin/etcd --name=controller --data-dir=/var/lib/etcd/default.etcd -...

Sep 28 13:31:49 controller etcd[13909]: c39599f33746f35e received MsgVoteResp from c395...m 2
Sep 28 13:31:49 controller etcd[13909]: c39599f33746f35e became leader at term 2
Sep 28 13:31:49 controller etcd[13909]: raft.node: c39599f33746f35e elected leader c395...m 2
Sep 28 13:31:49 controller etcd[13909]: published {Name:controller ClientURLs:[http://1...99c
Sep 28 13:31:49 controller etcd[13909]: setting up the initial cluster version to 3.3
Sep 28 13:31:49 controller etcd[13909]: ready to serve client requests
Sep 28 13:31:49 controller etcd[13909]: serving insecure client requests on 192.168.56....ed!
Sep 28 13:31:49 controller systemd[1]: Started Etcd Server.
Sep 28 13:31:49 controller etcd[13909]: set the initial cluster version to 3.3
Sep 28 13:31:49 controller etcd[13909]: enabled capabilities for version 3.3
Hint: Some lines were ellipsized, use -l to show in full