手动部署etcd-2018-0731

手动部署很简单,这里花了10分钟搞定

部署etcd


3台机器

  • etcd:由于 raft 算法的特性,集群的节点数必须是奇数
1
2
3
4
5
6
7
8
9
[root@linux-node1 ~]# cat /etc/hosts
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.56.111 linux-node1 linux-node1.k8s.com
192.168.56.112 linux-node2 linux-node2.k8s.com
192.168.56.113 linux-node3 linux-node3.k8s.com
[root@linux-node1 ~]# cat /etc/redhat-release
CentOS Linux release 7.3.1611 (Core)
[root@linux-node1 ~]#

  

 


三台服务器分别创建 etcd 用户并指定用户组为etcd

1
groupadd etcd

  

分别在三台服务器创建 conf、data、bin 目录:

1
mkdir -p /home/etcd/{conf,data,bin}

  

 

将 etcd-v3.2.18-linux-amd64.tar.gz 分别上传至三台服务器中,解压后将 etcdctl、etcd 复制到 /home/etcd/bin 目录下,并将 /home/etcd/bin 目录配置到系统环境变量下

1
2
3
4
5
6
7
8
9
10
11
12
13
[root@linux-node2 ~]# mkdir -p /home/etcd/{conf,data,bin}
[root@linux-node2 ~]# tar xfz etcd-v3.2.18-linux-amd64.tar.gz
[root@linux-node2 ~]# ll
total 10320
-rw-------. 1 root   root      1259 Jun 11 18:14 anaconda-ks.cfg
drwxr-xr-x  3 478493 89939      123 Mar 30 01:49 etcd-v3.2.18-linux-amd64
-rw-r--r--  1 root   root  10562874 Mar 30 01:58 etcd-v3.2.18-linux-amd64.tar.gz
[root@linux-node2 ~]# cd etcd-v3.2.18-linux-amd64/
[root@linux-node2 ~/etcd-v3.2.18-linux-amd64]# ls
Documentation  etcd  etcdctl  README-etcdctl.md  README.md  READMEv2-etcdctl.md
[root@linux-node2 ~/etcd-v3.2.18-linux-amd64]# cp etcd /home/etcd/bin/
[root@linux-node2 ~/etcd-v3.2.18-linux-amd64]# cp etcdctl /home/etcd/bin/
[root@linux-node2 ~/etcd-v3.2.18-linux-amd64]#

  

 

三台服务器分别编辑 systemd 启动文件:
vim /usr/lib/systemd/system/etcd.service

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
[root@linux-node1 ~]# cat /usr/lib/systemd/system/etcd.service
[Unit]
Description=Etcd Server
After=network.target
After=network-online.target
Wants=network-online.target
 
[Service]
Type=notify
WorkingDirectory=/home/etcd/data
EnvironmentFile=-/home/etcd/conf/etcd.conf
User=etcd
ExecStart=/bin/bash -c "GOMAXPROCS=$(nproc) /home/etcd/bin/etcd \
  --name ${ETCD_NAME} \
  --initial-advertise-peer-urls ${ETCD_INITIAL_ADVERTISE_PEER_URLS} \
  --listen-peer-urls ${ETCD_LISTEN_PEER_URLS} \
  --listen-client-urls ${ETCD_LISTEN_CLIENT_URLS},http://127.0.0.1:2379 \
  --advertise-client-urls ${ETCD_ADVERTISE_CLIENT_URLS} \
  --initial-cluster-token ${ETCD_INITIAL_CLUSTER_TOKEN} \
  --initial-cluster ${ETCD_CLUSTER_ADDRESS} \
  --initial-cluster-state new \
  --data-dir=${ETCD_DATA_DIR}"
Restart=on-failure
LimitNOFILE=65536
 
[Install]
WantedBy=multi-user.target
[root@linux-node1 ~]#

  

 

配置文件解释

  • 规划三个节点 etcd name 分别为:etcd1、etcd2、etcd3
  • 下列配置文件内容中包含中文处需要根据当前服务器实际信息进行修改,ETCD_CLUSTER_ADDRESS 的值也要根据自己实际的 IP 就行修改,切记请勿直接 copy 后就立即使用
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
# [member]
ETCD_NAME=当前节点的etcd name,例如:etcd1
ETCD_DATA_DIR="/home/etcd/data"
ETCD_LISTEN_PEER_URLS="http://当前服务器IP:2380"
ETCD_LISTEN_CLIENT_URLS="http://当前服务器IP:2379"
#ETCD_WAL_DIR=""
#ETCD_SNAPSHOT_COUNT="10000"
#ETCD_HEARTBEAT_INTERVAL="100"
#ETCD_ELECTION_TIMEOUT="1000"
#ETCD_MAX_SNAPSHOTS="5"
#ETCD_MAX_WALS="5"
#ETCD_CORS=""
 
#[cluster]
ETCD_INITIAL_ADVERTISE_PEER_URLS="http://当前服务器IP:2380"
ETCD_INITIAL_CLUSTER_TOKEN="etcd-cluster"
ETCD_ADVERTISE_CLIENT_URLS="http://当前服务器IP:2379"
ETCD_CLUSTER_ADDRESS="etcd1=http://192.168.56.111:2380,etcd2=http://192.168.56.112:2380,etcd3=http://192.168.56.113:2380"
 
#ETCD_INITIAL_ADVERTISE_PEER_URLS="http://localhost:2380"
# if you use different ETCD_NAME (e.g. test), set ETCD_INITIAL_CLUSTER value for this name, i.e. "test=http://..."
#ETCD_INITIAL_CLUSTER="default=http://localhost:2380"
#ETCD_INITIAL_CLUSTER_STATE="new"
#ETCD_INITIAL_CLUSTER_TOKEN="etcd-cluster"
#ETCD_ADVERTISE_CLIENT_URLS="http://localhost:2379"
#ETCD_DISCOVERY=""
#ETCD_DISCOVERY_SRV=""
#ETCD_DISCOVERY_FALLBACK="proxy"
#ETCD_DISCOVERY_PROXY=""
#ETCD_STRICT_RECONFIG_CHECK="false"
#ETCD_AUTO_COMPACTION_RETENTIO:N="0"
#
#[proxy]
#ETCD_PROXY="off"
#ETCD_PROXY_FAILURE_WAIT="5000"

  

 

 

 

配置文件,对于etcd1

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
# [member]
ETCD_NAME=etcd1
ETCD_DATA_DIR="/home/etcd/data"
ETCD_LISTEN_PEER_URLS="http://192.168.56.111:2380"
ETCD_LISTEN_CLIENT_URLS="http://192.168.56.111:2379"
#ETCD_WAL_DIR=""
#ETCD_SNAPSHOT_COUNT="10000"
#ETCD_HEARTBEAT_INTERVAL="100"
#ETCD_ELECTION_TIMEOUT="1000"
#ETCD_MAX_SNAPSHOTS="5"
#ETCD_MAX_WALS="5"
#ETCD_CORS=""
 
#[cluster]
ETCD_INITIAL_ADVERTISE_PEER_URLS="http://192.168.56.111:2380"
ETCD_INITIAL_CLUSTER_TOKEN="etcd-cluster"
ETCD_ADVERTISE_CLIENT_URLS="http://192.168.56.111:2379"
ETCD_CLUSTER_ADDRESS="etcd1=http://192.168.56.111:2380,etcd2=http://192.168.56.112:2380,etcd3=http://192.168.56.113:2380"
 
#ETCD_INITIAL_ADVERTISE_PEER_URLS="http://localhost:2380"
# if you use different ETCD_NAME (e.g. test), set ETCD_INITIAL_CLUSTER value for this name, i.e. "test=http://..."
#ETCD_INITIAL_CLUSTER="default=http://localhost:2380"
#ETCD_INITIAL_CLUSTER_STATE="new"
#ETCD_INITIAL_CLUSTER_TOKEN="etcd-cluster"
#ETCD_ADVERTISE_CLIENT_URLS="http://localhost:2379"
#ETCD_DISCOVERY=""
#ETCD_DISCOVERY_SRV=""
#ETCD_DISCOVERY_FALLBACK="proxy"
#ETCD_DISCOVERY_PROXY=""
#ETCD_STRICT_RECONFIG_CHECK="false"
#ETCD_AUTO_COMPACTION_RETENTIO:N="0"
#
#[proxy]
#ETCD_PROXY="off"
#ETCD_PROXY_FAILURE_WAIT="5000"

  

对于etcd2

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
# [member]
ETCD_NAME=etcd2
ETCD_DATA_DIR="/home/etcd/data"
ETCD_LISTEN_PEER_URLS="http://192.168.56.112:2380"
ETCD_LISTEN_CLIENT_URLS="http://192.168.56.112:2379"
#ETCD_WAL_DIR=""
#ETCD_SNAPSHOT_COUNT="10000"
#ETCD_HEARTBEAT_INTERVAL="100"
#ETCD_ELECTION_TIMEOUT="1000"
#ETCD_MAX_SNAPSHOTS="5"
#ETCD_MAX_WALS="5"
#ETCD_CORS=""
 
#[cluster]
ETCD_INITIAL_ADVERTISE_PEER_URLS="http://192.168.56.112:2380"
ETCD_INITIAL_CLUSTER_TOKEN="etcd-cluster"
ETCD_ADVERTISE_CLIENT_URLS="http://192.168.56.112:2379"
ETCD_CLUSTER_ADDRESS="etcd1=http://192.168.56.111:2380,etcd2=http://192.168.56.112:2380,etcd3=http://192.168.56.113:2380"
 
#ETCD_INITIAL_ADVERTISE_PEER_URLS="http://localhost:2380"
# if you use different ETCD_NAME (e.g. test), set ETCD_INITIAL_CLUSTER value for this name, i.e. "test=http://..."
#ETCD_INITIAL_CLUSTER="default=http://localhost:2380"
#ETCD_INITIAL_CLUSTER_STATE="new"
#ETCD_INITIAL_CLUSTER_TOKEN="etcd-cluster"
#ETCD_ADVERTISE_CLIENT_URLS="http://localhost:2379"
#ETCD_DISCOVERY=""
#ETCD_DISCOVERY_SRV=""
#ETCD_DISCOVERY_FALLBACK="proxy"
#ETCD_DISCOVERY_PROXY=""
#ETCD_STRICT_RECONFIG_CHECK="false"
#ETCD_AUTO_COMPACTION_RETENTIO:N="0"
#
#[proxy]
#ETCD_PROXY="off"
#ETCD_PROXY_FAILURE_WAIT="5000"

  

对于etcd3

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
# [member]
ETCD_NAME=etcd3
ETCD_DATA_DIR="/home/etcd/data"
ETCD_LISTEN_PEER_URLS="http://192.168.56.113:2380"
ETCD_LISTEN_CLIENT_URLS="http://192.168.56.113:2379"
#ETCD_WAL_DIR=""
#ETCD_SNAPSHOT_COUNT="10000"
#ETCD_HEARTBEAT_INTERVAL="100"
#ETCD_ELECTION_TIMEOUT="1000"
#ETCD_MAX_SNAPSHOTS="5"
#ETCD_MAX_WALS="5"
#ETCD_CORS=""
 
#[cluster]
ETCD_INITIAL_ADVERTISE_PEER_URLS="http://192.168.56.113:2380"
ETCD_INITIAL_CLUSTER_TOKEN="etcd-cluster"
ETCD_ADVERTISE_CLIENT_URLS="http://192.168.56.113:2379"
ETCD_CLUSTER_ADDRESS="etcd1=http://192.168.56.111:2380,etcd2=http://192.168.56.112:2380,etcd3=http://192.168.56.113:2380"
 
#ETCD_INITIAL_ADVERTISE_PEER_URLS="http://localhost:2380"
# if you use different ETCD_NAME (e.g. test), set ETCD_INITIAL_CLUSTER value for this name, i.e. "test=http://..."
#ETCD_INITIAL_CLUSTER="default=http://localhost:2380"
#ETCD_INITIAL_CLUSTER_STATE="new"
#ETCD_INITIAL_CLUSTER_TOKEN="etcd-cluster"
#ETCD_ADVERTISE_CLIENT_URLS="http://localhost:2379"
#ETCD_DISCOVERY=""
#ETCD_DISCOVERY_SRV=""
#ETCD_DISCOVERY_FALLBACK="proxy"
#ETCD_DISCOVERY_PROXY=""
#ETCD_STRICT_RECONFIG_CHECK="false"
#ETCD_AUTO_COMPACTION_RETENTIO:N="0"
#
#[proxy]
#ETCD_PROXY="off"
#ETCD_PROXY_FAILURE_WAIT="5000"

  

 

 

启动和检查

  1. systemctl daemon-reload
  2. systemctl start etcd
1
2
3
4
5
6
[root@linux-node1 ~]# etcdctl cluster-health
member 2b4c476820842810 is healthy: got healthy result from http://192.168.56.112:2379
member 68dbdf0635b07025 is healthy: got healthy result from http://192.168.56.113:2379
member 9f025eed2d120b69 is healthy: got healthy result from http://192.168.56.111:2379
cluster is healthy
[root@linux-node1 ~]#

  

配置完毕

 

参考

https://www.jianshu.com/p/0045ef6a64a7

https://www.cnblogs.com/skymyyang/p/9067280.html

  • 编写/etc/etcd/etcd.conf文件
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
vim /etc/etcd/etcd.conf
# [member]
ETCD_NAME=etcd1   #etcd实例名称
ETCD_DATA_DIR="/var/lib/etcd"  #etcd数据保存目录
ETCD_LISTEN_CLIENT_URLS="http://192.168.142.161:2379,http://127.0.0.1:2379"
#供外部客户端使用的url
ETCD_ADVERTISE_CLIENT_URLS="http://192.168.142.161:2379,http://127.0.0.1:2379"
#广播给外部客户端使用的url
 
#[cluster]
ETCD_LISTEN_PEER_URLS="http://192.168.142.161:2380"   #集群内部通信使用的URL
ETCD_INITIAL_ADVERTISE_PEER_URLS="http://192.168.142.161:2380"
#广播给集群内其他成员访问的URL
ETCD_INITIAL_CLUSTER="etcd1=http://192.168.142.161:2380,etcd2=http://192.168.142.162:2380,etcd3=http://192.168.142.163:2380"
#初始集群成员列表
ETCD_INITIAL_CLUSTER_STATE="new"
#初始集群状态,new为新建集群
ETCD_INITIAL_CLUSTER_TOKEN="k8s-etcd-cluster"  #集群的名称

  

 

posted on   nmap  阅读(643)  评论(0编辑  收藏  举报

编辑推荐:
· Java 中堆内存和栈内存上的数据分布和特点
· 开发中对象命名的一点思考
· .NET Core内存结构体系(Windows环境)底层原理浅谈
· C# 深度学习:对抗生成网络(GAN)训练头像生成模型
· .NET 适配 HarmonyOS 进展
阅读排行:
· 如何给本地部署的DeepSeek投喂数据,让他更懂你
· 超详细,DeepSeek 接入PyCharm实现AI编程!(支持本地部署DeepSeek及官方Dee
· 用 DeepSeek 给对象做个网站,她一定感动坏了
· .NET 8.0 + Linux 香橙派,实现高效的 IoT 数据采集与控制解决方案
· .NET中 泛型 + 依赖注入 的实现与应用

导航

< 2025年2月 >
26 27 28 29 30 31 1
2 3 4 5 6 7 8
9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28 1
2 3 4 5 6 7 8
点击右上角即可分享
微信分享提示