[ClusterLabs] Cluster resources migration from CMAN to Pacemaker

[Digimer]

Take a look at Jan's 'clufter' program. He built it just for this kind
of use.

https://github.com/jnpkrn/clufter

digimer

On 22/01/16 07:02 AM, jaspal singla wrote:
> Hello Everyone,
> 
> 
> I desperately need some help in order to migrate my cluster
> configuration from CMAN (RHEL-6.5) to PACEMAKER (RHEL-7.1).
> 
> 
> I have tried to explore a lot but couldn't find similarities configuring
> same resources (created in CMAN's cluster.conf file) to Pacemaker.
> 
> 
> 
> I'd like to share cluster.conf of RHEL-6.5 and want to achieve the same
> thing through Pacemaker. Any help would be greatly appreciable!!
> 
> 
> 
> *Cluster.conf file*
> 
> ######################################################################
> 
> <?xml version="1.1"?>
> <cluster config_version="1" name="HA1-105_CLUSTER">
>         <fence_daemon clean_start="0" post_fail_delay="0"
> post_join_delay="3"/>
>         <clusternodes>
>                 <clusternode name="ha1-105.test.com
> <http://ha1-105.test.com>" nodeid="1" votes="1">
>                         <fence/>
>                 </clusternode>
>         </clusternodes>
>         <cman/>
>         <fencedevices/>
>         <rm log_facility="local4" log_level="7">
>                 <failoverdomains>
>                         <failoverdomain name="Ha1-105_Domain"
> nofailback="0" ordered="0" restricted="0"/>
>                 </failoverdomains>
>                 <resources>
>                         <script
> file="/data/Product/HA/bin/ODG_IFAgent.py" name="REPL_IF"/>
>                         <script
> file="/data/Product/HA/bin/ODG_ReplicatorAgent.py"
> name="ORACLE_REPLICATOR"/>
>                         <script
> file="/data/Product/HA/bin/OracleAgent.py" name="CTM_SID"/>
>                         <script
> file="/data/Product/HA/bin/NtwIFAgent.py" name="NTW_IF"/>
>                         <script
> file="/data/Product/HA/bin/FsCheckAgent.py" name="FSCheck"/>
>                         <script
> file="/data/Product/HA/bin/ApacheAgent.py" name="CTM_APACHE"/>
>                         <script file="/data/Product/HA/bin/CtmAgent.py"
> name="CTM_SRV"/>
>                         <script
> file="/data/Product/HA/bin/RsyncAgent.py" name="CTM_RSYNC"/>
>                         <script file="/data/Product/HA/bin/HeartBeat.py"
> name="CTM_HEARTBEAT"/>
>                         <script
> file="/data/Product/HA/bin/FlashBackMonitor.py" name="FLASHBACK"/>
>                 </resources>
>                 <service autostart="0" domain="Ha1-105_Domain"
> exclusive="0" name="ctm_service" recovery="disable">
>                         <script ref="FSCheck"/>
>                         <script ref="NTW_IF"/>
>                         <script __independent_subtree="2"
> __max_restarts="20" __restart_expire_time="900" ref="CTM_RSYNC"/>
>                         <script __independent_subtree="2"
> __max_restarts="10" __restart_expire_time="900" ref="REPL_IF"/>
>                         <script __independent_subtree="2"
> ref="ORACLE_REPLICATOR"/>
>                         <script ref="CTM_SID">
>                                 <script ref="CTM_SRV">
>                                         <script ref="CTM_APACHE"/>
>                                 </script>
>                         </script>
>                 </service>
>                 <service autostart="1" exclusive="0" max_restarts="3"
> name="ctm_heartbeat" recovery="restart" restart_expire_time="900">
>                         <script ref="CTM_HEARTBEAT"/>
>                 </service>
>                 <service autostart="1" exclusive="0" max_restarts="3"
> name="ctm_monitoring" recovery="restart" restart_expire_time="900">
>                         <script ref="FLASHBACK"/>
>                 </service>
>         </rm>
> </cluster>
> 
> ###############################################
> 
> 
> *_ Quries/concerns:_*
> 
> -> How can I specifically mentioned above 10 resources through Pacemaker?
> -> the services being used in <service> section are not init.d services,
> these services uses script reference of above defined resources. So, how
> could I do the same thing in Pacemaker?
> Couple of concerns I have:
> -> How do I create failover domains in pacemaker and link resources to it?
> -> By default there are several pre-defined resource API's given in
> Pacemaker and we can use them if our requirements match with pre-defined
> API's like IPADDR2, Apache etc. But what if I have some python scripts
> and want to use those scripts as resources? Is their any way to do that?
> 
> 
> Please Please help me to get this sorted.
> 
>  
> Thanks,
> Jaspal Singla
> 
> 
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