Installation de Corosync & Pacemaker¶

apt install corosync pacemaker crmsh

Générer la clé¶

corosync-keygen

La clé se trouve ici : /etc/corosync/authkey, il faut qu'elle soit sur tous les nœuds.

configuration de Corosync¶

vi /etc/corosync/corosync.conf

totem {
    version: 2
    cluster_name: asterisk
    crypto_cipher: aes256
    crypto_hash: sha1
    clear_node_high_bit:yes
}

logging {
    fileline: off
    to_logfile: yes
    logfile: /var/log/corosync/corosync.log
    to_syslog: no
    debug: off
    timestamp: on
    logger_subsys {
        subsys: QUORUM
        debug: off
    }
}
quorum {
    provider: corosync_votequorum
    expected_votes: 2
    two_nodes: 1
}
nodelist {
    node {
        name: serv1
        nodeid: 1
        ring0_addr: 10.0.2.20
    }
    node {
        name: serv2
        nodeid: 2
        ring0_addr: 10.0.2.21
    }
}
service {
    ver: 0
    name: pacemaker
}

systemctl restart corosync pacemaker

Voir l'état des noeuds.¶

crm status

Désactivation du Quorum¶

crm configure property stonith-enabled=false

crm configure property no-quorum-policy=ignore

Mises en place de l'IPFailover¶

crm configure primitive IPFailover ocf:heartbeat:IPaddr2 params ip=10.0.2.23 cidr_netmask=24 nic=eth0 iflabel=VIP op monitor interval="30s" timeout="20s"

Configuration de la ressource Asterisk¶

crm configure primitive asterisk systemd:asterisk.service op monitor interval=30s

Création du groupe Asterisk (IPFailOver + Asterisk)¶

crm configure group servasterisk IPFailover asterisk meta migration-threshold="5"

Definir la préference sur serv1¶

crm configure location cli-prefer-ServAsterisk servasterisk role=Started inf: serv1