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Adding cluster configuration template

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This commit is contained in:
Philippe Caseiro 2018-04-10 16:31:41 +02:00
parent 9ab3cffb63
commit 7410c53ff8
3 changed files with 47 additions and 1 deletions
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7
README.md
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@ -4,7 +4,11 @@ Début des travaux pour l'utilisation de mariadb
dans Eole avec des fonctionalitées avancées du type
mise en clustter
# How-to for Eole 2.6.2
# How-to for Eole 2.6.2 (using this repo dico and templates)
### FIXME
# How-to for Eole 2.6.2 (From scratch)
## Sources
* https://mariadb.com/kb/en/library/getting-started-with-mariadb-galera-cluster/
@ -12,6 +16,7 @@ mise en clustter
* https://downloads.mariadb.org/mariadb/repositories/#mirror=ovh&distro=Ubuntu&distro_release=xenial--ubuntu_xenial&version=10.2
* http://galeracluster.com/documentation-webpages/?id=galera_parameters_0.8
* https://mariadb.com/kb/en/library/mariadb-galera-cluster-known-limitations/
* https://www.howtoforge.com/tutorial/how-to-install-and-configure-galera-cluster-on-ubuntu-1604/
## Requirements
* 2 eolebase 2.6.2 servers

18
dicos/25_bdd_server.xml
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@ -40,8 +40,26 @@
</family>
<family name="Database Cluster">
<variable name='ifDBCluster' type='string' description="Interface réseau dédiée à la grappe BDD"/>
<!-- FIXME : Fill this variable with nom_machine -->
<variable name='nodeName' type='string' description="Nom du noeud local"/>
<variable name='dbClusterMember' type='String' description="Membre de la grappe BDD"/>
<variable name='dbClusterMemberIP' type='ip' description="Adresse IP"/>
<!-- Expert Variables -->
<variable name='dbClusterName' type='string' description='Nom de la grappe'>
<value>galera_cluster</value>
</variable>
<variable name='dbBinLogFormat' type='string' mode='expert' description='Format du binlog'>
<value>ROW</value>
</variable>
<variable name='dbDefaultStorage' type='string' mode='expert' description='Default storage engine'>
<value>innodb</value>
</variable>
<variable name='dbSSTMethod' type='string' mode='expert' description='Méthode SST'>
<value>rsync</value>
</variable>
<!-- End -->
</family>
<separators>
<separator name='dbCreateFixAdmin'>Comptes d'administration supplémentaires</separator>

23
tmpl/galera.cnf Normal file
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@ -0,0 +1,23 @@
[mysqld]
binlog_format=%%dbBinLogFormat
default-storage-engine=%%dbDefaultStorage
innodb_autoinc_lock_mode=2
bind-address=0.0.0.0
# Galera Provider Configuration
wsrep_on=ON
wsrep_provider=/usr/lib/galera/libgalera_smm.so
# Galera Cluster Configuration
wsrep_cluster_name="%%dbClusterName"
%set %%nodeIP = %%getVar('adresse_ip_%%ifDBCluster', '')
wsrep_cluster_address="gcomm://%%nodeIP%slurp
%for %%node in %%dbClusterMember
,%%node.dbClusterMemberIP %slurp
%end for
# Galera Synchronization Configuration
wsrep_sst_method=%%dbSSTMethod
# Galera Node Configuration
wsrep_node_address="%%nodeIP"
wsrep_node_name="%%nodeName"