在10.4.7.200上执行

 vim /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"
                ]
            }
        }
    }
}

vim  /opt/certs/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"
        }
    ]
}

 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


在10.4.7.12上执行

useradd -s /sbin/nologin -M etcd

mkdir -p /opt/src
cd /opt/src
rz

tar zxvf etcd-v3.3.11-linux-amd64.tar.gz -C /opt/

mv etcd-v3.3.11-linux-amd64/ etcd-v3.3.11

ln -s /opt/etcd-v3.3.11/ /opt/etcd

ssh-keygen
ssh-copy-id -i /root/.ssh/id_rsa.pub hdss7-200

mkdir -p /opt/etcd/certs /data/etcd /data/logs/etcd-server
cd /opt/etcd/certs/

scp hdss7-200:/opt/certs/ca.pem .
 scp hdss7-200:/opt/certs/etcd-peer-key.pem .
 scp hdss7-200:/opt/certs/etcd-peer.pem 
 
 chown -R etcd.etcd /opt/etcd/certs /data/etcd /data/logs/etcd-server
 
 
 vim /opt/etcd/etcd-server-startup.sh
 
 10.4.7.12的配置文件
 #!/bin/sh
./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 ./certs/ca.pem \
       --cert-file ./certs/etcd-peer.pem \
       --key-file ./certs/etcd-peer-key.pem \
       --client-cert-auth  \
       --trusted-ca-file ./certs/ca.pem \
       --peer-ca-file ./certs/ca.pem \
       --peer-cert-file ./certs/etcd-peer.pem \
       --peer-key-file ./certs/etcd-peer-key.pem \
       --peer-client-cert-auth \
       --peer-trusted-ca-file ./certs/ca.pem \
       --log-output stdout

 
  10.4.7.21的配置文件
 
 #!/bin/sh
./etcd --name etcd-server-7-21 \
       --data-dir /data/etcd/etcd-server \
       --listen-peer-urls https://10.4.7.21:2380 \
       --listen-client-urls https://10.4.7.21:2379,http://127.0.0.1:2379 \
       --quota-backend-bytes 8000000000 \
       --initial-advertise-peer-urls https://10.4.7.21:2380 \
       --advertise-client-urls https://10.4.7.21:2379,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 ./certs/ca.pem \
       --cert-file ./certs/etcd-peer.pem \
       --key-file ./certs/etcd-peer-key.pem \
       --client-cert-auth  \
       --trusted-ca-file ./certs/ca.pem \
       --peer-ca-file ./certs/ca.pem \
       --peer-cert-file ./certs/etcd-peer.pem \
       --peer-key-file ./certs/etcd-peer-key.pem \
       --peer-client-cert-auth \
       --peer-trusted-ca-file ./certs/ca.pem \
       --log-output stdout
 
 
 
 
  10.4.7.22的配置文件
 #!/bin/sh
./etcd --name etcd-server-7-22 \
       --data-dir /data/etcd/etcd-server \
       --listen-peer-urls https://10.4.7.22:2380 \
       --listen-client-urls https://10.4.7.22:2379,http://127.0.0.1:2379 \
       --quota-backend-bytes 8000000000 \
       --initial-advertise-peer-urls https://10.4.7.22:2380 \
       --advertise-client-urls https://10.4.7.22:2379,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 ./certs/ca.pem \
       --cert-file ./certs/etcd-peer.pem \
       --key-file ./certs/etcd-peer-key.pem \
       --client-cert-auth  \
       --trusted-ca-file ./certs/ca.pem \
       --peer-ca-file ./certs/ca.pem \
       --peer-cert-file ./certs/etcd-peer.pem \
       --peer-key-file ./certs/etcd-peer-key.pem \
       --peer-client-cert-auth \
       --peer-trusted-ca-file ./certs/ca.pem \
       --log-output stdout

  chmod +x /opt/etcd/etcd-server-startup.sh
  
  
  
  chown -R etcd.etcd /opt/etcd-v3.3.11/ /data/etcd /data/logs/etcd-server/
 yum install supervisor -y
 
 systemctl start supervisord
 systemctl enable supervisord
vim /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)

supervisorctl  update
supervisorctl  status

./etcdctl cluster-health

 ./etcdctl list member

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