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« LINUX:Pacemaker - deux routers en failover - trois serveurs WEB en Loadbalancing, Galera et GlusterFs » : différence entre les versions
LINUX:Pacemaker - deux routers en failover - trois serveurs WEB en Loadbalancing, Galera et GlusterFs (voir la source)
Version du 25 juin 2023 à 17:04
, 25 juin 2023aucun résumé des modifications
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=Configuration des ressources de Pacemaker= | |||
==Script== | |||
On effectue la suite des commandes suivantes à partir d'une des machines du cluster. On peut les mettre dans un script. | |||
Particularité, si on applique ces commandes directement, diverses erreurs apparaissent car tant que mes contraintes ne sont pas mises en routes, le système essaie de lancer la ressource sur toutes les machines. | |||
La solution vient via la création d'un fichier Pacemaker temporaire; ce dernier sera intégré globalement à Pacemaker en fin de traitement. Ce fichier intermédiaire sera nomme "create.xml". Il doit être inexistant au démarrage. | |||
Voici le script: | |||
---- | |||
#!/bin/bash | |||
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pcs cluster cib create.xml | |||
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pcs -f create.xml resource create ClusterIP0 ocf:heartbeat:IPaddr2 ip=192.168.1.70 nic=eth1 cidr_netmask=24 iflabel=ethcl0 lvs_support=true op monitor interval=30s | |||
pcs -f create.xml constraint location ClusterIP0 prefers sv1.home.dom=-INFINITY | |||
pcs -f create.xml constraint location ClusterIP0 prefers sv2.home.dom=-INFINITY | |||
pcs -f create.xml constraint location ClusterIP0 prefers sv3.home.dom=-INFINITY | |||
pcs -f create.xml constraint location ClusterIP0 prefers sv4.home.dom=100 | |||
pcs -f create.xml constraint location ClusterIP0 prefers sv5.home.dom=200 | |||
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pcs -f create.xml resource create ClusterDefaultRoute ocf:heartbeat:Route destination="default" gateway=192.168.2.70 device=eth1 family=ip4 clone | |||
pcs -f create.xml constraint location ClusterDefaultRoute-clone prefers sv1.home.dom=100 | |||
pcs -f create.xml constraint location ClusterDefaultRoute-clone prefers sv2.home.dom=100 | |||
pcs -f create.xml constraint location ClusterDefaultRoute-clone prefers sv3.home.dom=100 | |||
pcs -f create.xml constraint location ClusterDefaultRoute-clone prefers sv4.home.dom=-INFINITY | |||
pcs -f create.xml constraint location ClusterDefaultRoute-clone prefers sv5.home.dom=-INFINITY | |||
pcs -f create.xml constraint order ClusterIP0 then start ClusterDefaultRoute-clone | |||
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pcs -f create.xml resource create ClusterLdirectord systemd:ldirectord op monitor interval=30s | |||
pcs -f create.xml constraint location ClusterLdirectord prefers sv1.home.dom=-INFINITY | |||
pcs -f create.xml constraint location ClusterLdirectord prefers sv2.home.dom=-INFINITY | |||
pcs -f create.xml constraint location ClusterLdirectord prefers sv3.home.dom=-INFINITY | |||
pcs -f create.xml constraint location ClusterLdirectord prefers sv4.home.dom=100 | |||
pcs -f create.xml constraint location ClusterLdirectord prefers sv5.home.dom=200 | |||
pcs -f create.xml constraint order ClusterDefaultRoute-clone then start ClusterLdirectord | |||
pcs -f create.xml constraint colocation add ClusterIP0 with ClusterLdirectord score=INFINITY | |||
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pcs -f create.xml resource create ClusterGlusterd systemd:glusterd op monitor interval=20s clone | |||
pcs constraint order ClusterLdirectord then start ClusterGlusterd-clone | |||
pcs -f create.xml constraint location ClusterGlusterd-clone prefers sv1.home.dom=100 | |||
pcs -f create.xml constraint location ClusterGlusterd-clone prefers sv2.home.dom=100 | |||
pcs -f create.xml constraint location ClusterGlusterd-clone prefers sv3.home.dom=100 | |||
pcs -f create.xml constraint location ClusterGlusterd-clone prefers sv4.home.dom=-INFINITY | |||
pcs -f create.xml constraint location ClusterGlusterd-clone prefers sv5.home.dom=-INFINITY | |||
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pcs -f create.xml resource create ClusterRsyncd systemd:rsyncd op monitor interval=30s clone | |||
pcs -f create.xml constraint location ClusterRsyncd-clone prefers sv1.home.dom=100 | |||
pcs -f create.xml constraint location ClusterRsyncd-clone prefers sv2.home.dom=100 | |||
pcs -f create.xml constraint location ClusterRsyncd-clone prefers sv3.home.dom=100 | |||
pcs -f create.xml constraint location ClusterRsyncd-clone prefers sv4.home.dom=-INFINITY | |||
pcs -f create.xml constraint location ClusterRsyncd-clone prefers sv5.home.dom=-INFINITY | |||
pcs -f create.xml constraint order ClusterGlusterd-clone then start ClusterRsyncd-clone | |||
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pcs -f create.xml resource create ClusterCheckGalera systemd:checkgalera op monitor interval=30s clone | |||
pcs -f create.xml constraint location ClusterCheckGalera-clone prefers sv1.home.dom=100 | |||
pcs -f create.xml constraint location ClusterCheckGalera-clone prefers sv2.home.dom=100 | |||
pcs -f create.xml constraint location ClusterCheckGalera-clone prefers sv3.home.dom=100 | |||
pcs -f create.xml constraint location ClusterCheckGalera-clone prefers sv4.home.dom=-INFINITY | |||
pcs -f create.xml constraint location ClusterCheckGalera-clone prefers sv5.home.dom=-INFINITY | |||
pcs -f create.xml constraint order ClusterRsyncd-clone then start ClusterCheckGalera-clone | |||
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pcs -f create.xml resource create ClusterFsWeb ocf:heartbeat:Filesystem \ | |||
device="localhost:/diskgfs1" \ | |||
directory="/data" fstype="glusterfs" \ | |||
"options=defaults,_netdev" \ | |||
op monitor interval=20s on-fail=stop clone | |||
pcs -f create.xml constraint location ClusterFsWeb-clone prefers sv1.home.dom=100 | |||
pcs -f create.xml constraint location ClusterFsWeb-clone prefers sv2.home.dom=100 | |||
pcs -f create.xml constraint location ClusterFsWeb-clone prefers sv3.home.dom=100 | |||
pcs -f create.xml constraint location ClusterFsWeb-clone prefers sv4.home.dom=-INFINITY | |||
pcs -f create.xml constraint location ClusterFsWeb-clone prefers sv5.home.dom=-INFINITY | |||
pcs -f create.xml constraint order ClusterCheckGalera-clone then start ClusterFsWeb-clone | |||
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pcs -f create.xml resource create ClusterHttpd systemd:httpd op monitor interval=30s clone | |||
pcs -f create.xml constraint location ClusterHttpd-clone prefers sv1.home.dom=100 | |||
pcs -f create.xml constraint location ClusterHttpd-clone prefers sv2.home.dom=100 | |||
pcs -f create.xml constraint location ClusterHttpd-clone prefers sv3.home.dom=100 | |||
pcs -f create.xml constraint location ClusterHttpd-clone prefers sv4.home.dom=-INFINITY | |||
pcs -f create.xml constraint location ClusterHttpd-clone prefers sv5.home.dom=-INFINITY | |||
pcs -f create.xml constraint order ClusterFsWeb-clone then start ClusterHttpd-clone | |||
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pcs -f create.xml resource create ClusterPhp systemd:php-fpm op monitor interval=30s clone | |||
pcs -f create.xml constraint location ClusterPhp-clone prefers sv1.home.dom=100 | |||
pcs -f create.xml constraint location ClusterPhp-clone prefers sv2.home.dom=100 | |||
pcs -f create.xml constraint location ClusterPhp-clone prefers sv3.home.dom=100 | |||
pcs -f create.xml constraint location ClusterPhp-clone prefers sv4.home.dom=-INFINITY | |||
pcs -f create.xml constraint location ClusterPhp-clone prefers sv5.home.dom=-INFINITY | |||
pcs -f create.xml constraint order ClusterHttpd-clone then start ClusterPhp-clone | |||
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pcs -f create.xml resource create ClusterMailTo ocf:heartbeat:MailTo email=root subject="FailOver_Home" op monitor interval=30s clone | |||
pcs -f create.xml constraint order ClusterPhp-clone then start ClusterMailTo-clone | |||
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pcs cluster cib-push create.xml | |||
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