Shulou(Shulou.com)06/03 Report--

I. introduction of the environment

Operating system information: CentOS 7 64-bit

Server information:

192.168.80.130 Etcd-master

192.168.80.131 Etcd-node1

192.168.80.132 Etcd-node2

II. Pre-deployment preparation

1. Set secret-free login

[Master]

[root@Etcd-master ~] # ssh-keygen

[root@Etcd-master] # ssh-copy-id-I / root/.ssh/id_rsa.pub Etcd-node1

[root@Etcd-master] # ssh-copy-id-I / root/.ssh/id_rsa.pub Etcd-node2

2. Operate on all machines

A, add hosts

[root@Etcd-master] # 192.168.80.130 Etcd-master

[root@Etcd-master] # 192.168.80.131 Etcd-node1

[root@Etcd-master] # 192.168.80.132 Etcd-node2

B. Synchronization time

[root@Etcd-master ~] # yum-y lrzsz git wget python-devel ntp net-tools curl cmake epel-release rpmdevtools openssl-devel kernel-devel gcc redhat-rpm-config bridge-utils

[root@Etcd-master ~] # yum groupinstall "Development Tools"-y

[root@Etcd-master ~] # cp-Rf / usr/share/zoneinfo/Asia/Shanghai / etc/localtime

[root@Etcd-master ~] # ntpdate 133.100.11.8

[root@Etcd-master ~] # sed-I's ZONE= Zone = "America/New_York" # ZONE= "Asia/Shanghai" # g'/ etc/sysconfig/clock

[root@Etcd-master] # hwclock-w

[root@Etcd-master] # date-R

3. Deploy Etcd

[Master]

1. Install and configure Master nodes

[root@Etcd-master ~] # yum-y install etcd

[root@Etcd-master ~] # cat / etc/etcd/etcd.conf

# [member]

ETCD_NAME= "etcd-master"

ETCD_DATA_DIR= "/ var/lib/etcd/default.etcd"

# ETCD_WAL_DIR= ""

# ETCD_SNAPSHOT_COUNT= "10000"

# ETCD_HEARTBEAT_INTERVAL= "100s"

# ETCD_ELECTION_TIMEOUT= "1000"

ETCD_LISTEN_PEER_URLS= "http://0.0.0.0:2380"

ETCD_LISTEN_CLIENT_URLS= "http://0.0.0.0:4001,http://0.0.0.0:2379"

# ETCD_MAX_SNAPSHOTS= "5"

# ETCD_MAX_WALS= "5"

# ETCD_CORS= ""

#

# [cluster]

ETCD_INITIAL_ADVERTISE_PEER_URLS= "http://etcd-master: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= "etcd-node1= http://etcd-node1:2380,etcd-node2=http://etcd-node2:2380,etcd-master=http://etcd-master:2380"

ETCD_INITIAL_CLUSTER_STATE= "new"

ETCD_INITIAL_CLUSTER_TOKEN= "etcd-cluster"

ETCD_ADVERTISE_CLIENT_URLS= "http://Etcd-master:2379,http://Etcd-master:4001"

[Node]

2. Install and configure Node1 nodes

[root@Etcd-node1 ~] # yum-y install etcd

[root@Etcd-node1 ~] # cat / etc/etcd/etcd.conf

# [member]

ETCD_NAME= "etcd-node1"

ETCD_DATA_DIR= "/ var/lib/etcd/default.etcd"

# ETCD_WAL_DIR= ""

# ETCD_SNAPSHOT_COUNT= "10000"

# ETCD_HEARTBEAT_INTERVAL= "100s"

# ETCD_ELECTION_TIMEOUT= "1000"

ETCD_LISTEN_PEER_URLS= "http://0.0.0.0:2380"

ETCD_LISTEN_CLIENT_URLS= "http://0.0.0.0:4001,http://0.0.0.0:2379"

# ETCD_MAX_SNAPSHOTS= "5"

# ETCD_MAX_WALS= "5"

# ETCD_CORS= ""

#

# [cluster]

ETCD_INITIAL_ADVERTISE_PEER_URLS= "http://etcd-node1:2380"

# if you use different ETCD_NAME (e.g. Test), set ETCD_INITIAL_CLUSTER value for this name, i.e. "test= http://..."

ETCD_INITIAL_CLUSTER= "etcd-node1= http://etcd-node1:2380,etcd-node2=http://etcd-node2:2380,etcd-master=http://etcd-master:2380"

ETCD_INITIAL_CLUSTER_STATE= "new"

ETCD_INITIAL_CLUSTER_TOKEN= "etcd-cluster"

ETCD_ADVERTISE_CLIENT_URLS= "http://etcd-node1:2379,http://etcd-node1:4001"

3. Install and configure Node2 nodes:

[root@Etcd-node2 ~] # yum-y install etcd

[root@Etcd-node2 ~] # cat / etc/etcd/etcd.conf

# [member]

ETCD_NAME= "etcd-node2"

ETCD_DATA_DIR= "/ var/lib/etcd/default.etcd"

# ETCD_WAL_DIR= ""

# ETCD_SNAPSHOT_COUNT= "10000"

# ETCD_HEARTBEAT_INTERVAL= "100s"

# ETCD_ELECTION_TIMEOUT= "1000"

ETCD_LISTEN_PEER_URLS= "http://0.0.0.0:2380"

ETCD_LISTEN_CLIENT_URLS= "http://0.0.0.0:4001,http://0.0.0.0:2379"

# ETCD_MAX_SNAPSHOTS= "5"

# ETCD_MAX_WALS= "5"

# ETCD_CORS= ""

#

# [cluster]

ETCD_INITIAL_ADVERTISE_PEER_URLS= "http://etcd-node2:2380"

# if you use different ETCD_NAME (e.g. Test), set ETCD_INITIAL_CLUSTER value for this name, i.e. "test= http://..."

ETCD_INITIAL_CLUSTER= "etcd-node1= http://etcd-node1:2380,etcd-node2=http://etcd-node2:2380,etcd-master=http://etcd-master:2380"

ETCD_INITIAL_CLUSTER_STATE= "new"

ETCD_INITIAL_CLUSTER_TOKEN= "etcd-cluster"

ETCD_ADVERTISE_CLIENT_URLS= "http://etcd-node2:2379,http://etcd-node2:4001"

4. Start the Etcd service

[master]

[root@Etcd-master ~] # systemctl restart etcd

[node1]

[root@Etcd-node1 ~] # systemctl restart etcd

[node2]

[root@Etcd-node2 ~] # systemctl restart etcd

5. Check the service status

[master]

[root@Etcd-master ~] # etcdctl member list

6c74f3fd7534bb5: name=etcd-node1 peerURLs= http://etcd-node1:2380 clientURLs= http://etcd-node1:2379,http://etcd-node1:4001 isLeader=false

A57a17f287dbe7bb: name=etcd-node2 peerURLs= http://etcd-node2:2380 clientURLs= http://etcd-node2:2379,http://etcd-node2:4001 isLeader=true

Ffe21a7812eb7c5f: name=etcd-master peerURLs= http://etcd-master:2380 clientURLs= isLeader=false

[node1]

[root@Etcd-node1 ~] # etcdctl member list

6c74f3fd7534bb5: name=etcd-node1 peerURLs= http://etcd-node1:2380 clientURLs= http://etcd-node1:2379,http://etcd-node1:4001 isLeader=false

A57a17f287dbe7bb: name=etcd-node2 peerURLs= http://etcd-node2:2380 clientURLs= http://etcd-node2:2379,http://etcd-node2:4001 isLeader=true

Ffe21a7812eb7c5f: name=etcd-master peerURLs= http://etcd-master:2380 clientURLs= isLeader=false

[node2]

[root@Etcd-node2 ~] # etcdctl member list

6c74f3fd7534bb5: name=etcd-node1 peerURLs= http://etcd-node1:2380 clientURLs= http://etcd-node1:2379,http://etcd-node1:4001 isLeader=false

A57a17f287dbe7bb: name=etcd-node2 peerURLs= http://etcd-node2:2380 clientURLs= http://etcd-node2:2379,http://etcd-node2:4001 isLeader=true

Ffe21a7812eb7c5f: name=etcd-master peerURLs= http://etcd-master:2380 clientURLs= isLeader=false

Test the synchronization of the cluster

[master]

[root@Etcd-master ~] # etcdctl set zlyangdir/zlyangkeys0 0

0

[root@Etcd-master ~] # etcdctl ls zlyangdir

Zlyangdir/zlyangkeys0

[root@Etcd-master ~] # etcdctl get zlyangdir/zlyangkeys0

0

[node1]

[root@Etcd-node1 ~] # etcdctl ls zlyangdir

Zlyangdir/zlyangkeys0

[root@Etcd-node1 ~] # etcdctl get zlyangdir/zlyangkeys0

0

[node2]

[root@Etcd-node2 ~] # etcdctl ls zlyangdir

Zlyangdir/zlyangkeys0

[root@Etcd-node2 ~] # etcdctl get zlyangdir/zlyangkeys0

0

Official deployment plan: https://coreos.com/etcd/docs/latest/op-guide/clustering.html

So far, the Etcd cluster has been set up. If you have any questions, please contact: DBA_Master@163.com

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