HDSS7-200上:
~]# wget https://pkg.cfssl.org/R1.2/cfssl_linux-amd64 -O /usr/bin/cfssl
~]# wget https://pkg.cfssl.org/R1.2/cfssljson_linux-amd64 -O /usr/bin/cfssl-json
~]# wget https://pkg.cfssl.org/R1.2/cfssl-certinfo_linux-amd64 -O /usr/bin/cfssl-certinfo
~]# chmod +x /usr/bin/cfssl*~]# vi /opt/certs/ca-csr.json
{
"CN": "OldboyEdu",
"hosts": [
],
"key": {
"algo": "rsa",
"size": 2048
},
"names": [
{
"C": "CN",
"ST": "beijing",
"L": "beijing",
"O": "od",
"OU": "ops"
}
],
"ca": {
"expiry": "175200h"
}
}certs]# cfssl gencert -initca ca-csr.json | cfssl-json -bare ca~]# vi /opt/certs/ca-config.json
{
"signing": {
"default": {
"expiry": "175200h"
},
"profiles": {
"server": {
"expiry": "175200h",
"usages": [
"signing",
"key encipherment",
"server auth"
]
},
"client": {
"expiry": "175200h",
"usages": [
"signing",
"key encipherment",
"client auth"
]
},
"peer": {
"expiry": "175200h",
"usages": [
"signing",
"key encipherment",
"server auth",
"client auth"
]
}
}
}
}~]# vi etcd-peer-csr.json
{
"CN": "k8s-etcd",
"hosts": [
"10.4.7.11",
"10.4.7.12",
"10.4.7.21",
"10.4.7.22"
],
"key": {
"algo": "rsa",
"size": 2048
},
"names": [
{
"C": "CN",
"ST": "beijing",
"L": "beijing",
"O": "od",
"OU": "ops"
}
]
}certs]# cfssl gencert -ca=ca.pem -ca-key=ca-key.pem -config=ca-config.json -profile=peer etcd-peer-csr.json |cfssl-json -bare etcd-peer下载安装包：
~]# tar xf etcd-v3.1.20-linux-amd64.tar.gz -C /opt/
~]# ln -s /opt/etcd-v3.1.20-linux-amd64 /opt/etcd ## 便于后期升级做软连
~]# useradd -s /sbin/nologin -M etcd ## 添加运行etcd普通用户
~]# mkdir -p /opt/etcd/certs /data/etcd /data/logs/etcd-server ## 创建数据目录以及日志目录~]# vi /opt/etcd/etcd-server-startup.sh
#!/bin/sh
/opt/etcd/etcd --name etcd-server-7-12 \
--data-dir /data/etcd/etcd-server \
--listen-peer-urls https://10.4.7.12:2380 \
--listen-client-urls https://10.4.7.12:2379,http://127.0.0.1:2379 \
--quota-backend-bytes 8000000000 \
--initial-advertise-peer-urls https://10.4.7.12:2380 \
--advertise-client-urls https://10.4.7.12:2379,http://127.0.0.1:2379 \
--initial-cluster etcd-server-7-12=https://10.4.7.12:2380,etcd-server-7-21=https://10.4.7.21:2380,etcd-server-7-22=https://10.4.7.22:2380 \
--ca-file /opt/etcd/certs/ca.pem \
--cert-file /opt/etcd/certs/etcd-peer.pem \
--key-file /opt/etcd/certs/etcd-peer-key.pem \
--client-cert-auth \
--trusted-ca-file /opt/etcd/certs/ca.pem \
--peer-ca-file /opt/etcd/certs/ca.pem \
--peer-cert-file /opt/etcd/certs/etcd-peer.pem \
--peer-key-file /opt/etcd/certs/etcd-peer-key.pem \
--peer-client-cert-auth \
--peer-trusted-ca-file /opt/etcd/certs/ca.pem \
--log-output stdout安装管理工具supervisor
~]# yum install supervisor -y
~]# systemctl start supervisord
~]# systemctl enable supervisord配置管理工具
~]# vi /etc/supervisord.d/etcd-server.ini
[program:etcd-server-7-12]
command=/opt/etcd/etcd-server-startup.sh ; the program (relative uses PATH, can take args)
numprocs=1 ; number of processes copies to start (def 1)
directory=/opt/etcd ; directory to cwd to before exec (def no cwd)
autostart=true ; start at supervisord start (default: true)
autorestart=true ; retstart at unexpected quit (default: true)
startsecs=30 ; number of secs prog must stay running (def. 1)
startretries=3 ; max # of serial start failures (default 3)
exitcodes=0,2 ; 'expected' exit codes for process (default 0,2)
stopsignal=QUIT ; signal used to kill process (default TERM)
stopwaitsecs=10 ; max num secs to wait b4 SIGKILL (default 10)
user=etcd ; setuid to this UNIX account to run the program
redirect_stderr=true ; redirect proc stderr to stdout (default false)
stdout_logfile=/data/logs/etcd-server/etcd.stdout.log ; stdout log path, NONE for none; default AUTO
stdout_logfile_maxbytes=64MB ; max # logfile bytes b4 rotation (default 50MB)
stdout_logfile_backups=4 ; # of stdout logfile backups (default 10)
stdout_capture_maxbytes=1MB ; number of bytes in 'capturemode' (default 0)
stdout_events_enabled=false ; emit events on stdout writes (default false)
killasgroup=true
stopasgroup=truesupervisorctl update
etcd-server-7-12: added process group备注：
另外两台服务器操作一样，拷贝证书，配置文件，安装管理工具并加入进去就可以了。
~]# supervisorctl status
etcd-server-7-12 RUNNING pid 22656, uptime 0:00:35
[root@hdss7-12 etcd]# netstat -luntp|grep etcd
tcp 0 0 10.4.7.12:2379 0.0.0.0:* LISTEN 22657/./etcd
tcp 0 0 127.0.0.1:2379 0.0.0.0:* LISTEN 22657/./etcd
tcp 0 0 10.4.7.12:2380 0.0.0.0:* LISTEN 22657/./etcd 验证集群是否正常：
etcd]# ./etcdctl member list
988139385f78284: name=etcd-server-7-22 peerURLs=https://10.4.7.22:2380 clientURLs=http://127.0.0.1:2379,https://10.4.7.22:2379 isLeader=false
5a0ef2a004fc4349: name=etcd-server-7-21 peerURLs=https://10.4.7.21:2380 clientURLs=http://127.0.0.1:2379,https://10.4.7.21:2379 isLeader=false
f4a0cb0a765574a8: name=etcd-server-7-12 peerURLs=https://10.4.7.12:2380 clientURLs=http://127.0.0.1:2379,https://10.4.7.12:2379 isLeader=trueetcd]# ./etcdctl cluster-health
member 988139385f78284 is healthy: got healthy result from http://127.0.0.1:2379
member 5a0ef2a004fc4349 is healthy: got healthy result from http://127.0.0.1:2379
member f4a0cb0a765574a8 is healthy: got healthy result from http://127.0.0.1:2379
cluster is healthy