MODOP Cluster SeaWeedFS – Partie 2 – Installation 3 nodes Master

Constitution du cluster Master

• node-seaweed-m01
• node-seaweed-m02
• node-seaweed-m03

Spécification des 3 Master

• IP : 10.100.0.157 à 10.100.0.159
• vCPU : 2
• RAM : 2Go
• Disque : 8Go (Système)
• OS : RockyLinux 8

Installation des prérequis ( les 3 masters)

[root@node-seaweed-m0x ~]# dnf update
[root@node-seaweed-m0x ~]# yum install git make wget -y
[root@node-seaweed-m0x ~]# dnf install dnf-utils

Installation paquet GO ( les 3 masters)

[root@node-seaweed-m0x ~]# wget https://go.dev/dl/go1.21.6.linux-amd64.tar.gz
[root@node-seaweed-m0x ~]# tar -xzvf go1.21.6.linux-amd64.tar.gz -C /usr/local
[root@node-seaweed-m0x ~]# echo 'export GOROOT=/usr/local/go' | tee -a /etc/profile
export GOROOT=/usr/local/go

[root@node-seaweed-m0x ~]# echo 'export PATH=$PATH:/usr/local/go/bin' | tee -a /etc/profile
export PATH=$PATH:/usr/local/go/bin

[root@node-seaweed-m0x ~]# source /etc/profile
[root@node-seaweed-m0x ~]# go version
go version go1.21.6 linux/amd64

Installation paquet seaweedfs ( les 3 masters)

[root@node-seaweed-m0x ~]# git clone https://github.com/chrislusf/seaweedfs.git
[root@node-seaweed-m0x ~]# cd ~/seaweedfs
[root@node-seaweed-m0x seaweedfs]# go get -u github.com/google/go-cmp/cmp
[root@node-seaweed-m0x seaweedfs]# make install
[root@node-seaweed-m0x seaweedfs]# cp ~/go/bin/weed /usr/local/bin/
[root@node-seaweed-m0x seaweedfs]# weed version
version 30GB 3.62 linux amd64

Ajout des Hosts « master » sur le DNS de l’infrastructure

[root@node-seaweed-m0x ~]# for i in {1..3};do nslookup node-seaweed-m0$i;done

Création folder « master » ( les 3 masters)

[root@node-seaweed-m0x ~]# mkdir /mnt/seaweedfs

Régles Firewall ( les 3 masters)

[root@node-seaweed-m0x ~]#firewall-cmd --remove-service={cockpit,dhcpv6-client} --permanent
[root@node-seaweed-m0x ~]#firewall-cmd --add-port=9333/tcp --permanent
[root@node-seaweed-m0x ~]#firewall-cmd --add-port=19333/tcp --permanent
[root@node-seaweed-m0x ~]#firewall-cmd --reload

Lancement du cluster

Sur node-seaweed-m01

[root@node-seaweed-m01 ~]# weed master -port=9333 -peers=node-seaweed-m01:9333,node-seaweed-m02:9333,node-seaweed-m03:9333 -ip=node-seaweed-m01 &

Sur node-seaweed-m02

[root@node-seaweed-m02 ~]# weed master -port=9333 -peers=node-seaweed-m01:9333,node-seaweed-m02:9333,node-seaweed-m03:9333 -ip=node-seaweed-m02 &

Sur node-seaweed-m03

[root@node-seaweed-m03 ~]# weed master -port=9333 -peers=node-seaweed-m01:9333,node-seaweed-m02:9333,node-seaweed-m03:9333 -ip=node-seaweed-m03 &

• http://node-seaweed-m01:9333

Contrôle du HA « Master Leader »

On stop le service du Leader node-seaweed-m01

Sur node-seaweed-m02

Sur node-seaweed-m03

• http://node-seaweed-m02:9333

Type de réplication

Création des services

Sur node-seaweed-m01

[root@node-seaweed-m01 ~]# vi /etc/systemd/system/seaweedmaster.service

[Unit]
Description=SeaweedFS Master
After=network.target

[Service]
Type=simple
User=root
Group=root
ExecStart=weed master -mdir=/mnt/seaweedfs -port=9333 -peers=node-seaweed-m01:9333,node-seaweed-m02:9333,node-seaweed-m03:9333 -ip=node-seaweed-m01 -defaultReplication=110
WorkingDirectory=/usr/local/bin/
SyslogIdentifier=seaweedfs-master

[Install]
WantedBy=multi-user.target

[root@node-seaweed-m01 ~]# systemctl daemon-reload
[root@node-seaweed-m01 ~]# systemctl enable seaweedmaster

Sur node-seaweed-m02

[root@node-seaweed-m02 ~]# vi /etc/systemd/system/seaweedmaster.service

[Unit]
Description=SeaweedFS Master
After=network.target

[Service]
Type=simple
User=root
Group=root
ExecStart=weed master -mdir=/mnt/seaweedfs -port=9333 -peers=node-seaweed-m01:9333,node-seaweed-m02:9333,node-seaweed-m03:9333 -ip=node-seaweed-m02 -defaultReplication=110
WorkingDirectory=/usr/local/bin/
SyslogIdentifier=seaweedfs-master

[Install]
WantedBy=multi-user.target

[root@node-seaweed-m02 ~]# systemctl daemon-reload
[root@node-seaweed-m02 ~]# systemctl enable seaweedmaster

Sur node-seaweed-m03

[root@node-seaweed-m03 ~]# vi /etc/systemd/system/seaweedmaster.service

[Unit]
Description=SeaweedFS Master
After=network.target

[Service]
Type=simple
User=root
Group=root
ExecStart=weed master -mdir=/mnt/seaweedfs -port=9333 -peers=node-seaweed-m01:9333,node-seaweed-m02:9333,node-seaweed-m03:9333 -ip=node-seaweed-m03 -defaultReplication=110
WorkingDirectory=/usr/local/bin/
SyslogIdentifier=seaweedfs-master

[Install]
WantedBy=multi-user.target

[root@node-seaweed-m03 ~]# systemctl daemon-reload
[root@node-seaweed-m03 ~]# systemctl enable seaweedmaster

Démarrage des services

Sur node-seaweed-m01

[root@node-seaweed-m01 ~]# systemctl start seaweedmaster
[root@node-seaweed-m01 ~]# journalctl -u seaweedmaster.service

Sur node-seaweed-m02

[root@node-seaweed-m02 ~]# systemctl start seaweedmaster
[root@node-seaweed-m02 ~]# journalctl -u seaweedmaster.service

Sur node-seaweed-m03

[root@node-seaweed-m03 ~]# systemctl start seaweedmaster
[root@node-seaweed-m03 ~]# journalctl -u seaweedmaster.service

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