[Pacemaker] writing a script

[Karl Rößmann]

Hi,

is there an easy way to determine in a script (bash or python) whether
a CRM Resource (Xen Domain) is running or not ?

Thanks in advance
karl
--
Karl Rößmann Tel. [phone]
Max-Planck-Institut FKF Fax. [phone]
Postfach 800 665
70506 Stuttgart email ***@fkf.mpg.de


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[Michael Böhm]

Post by Karl Rößmann
Hi,
is there an easy way to determine in a script (bash or python) whether
a CRM Resource (Xen Domain) is running or not ?

We query the location of a resource in bash with this:

if [ ! "$(/usr/sbin/crm_resource -Q -r resourcename -W)" = "$(hostname)" ];
then

just have a look at "man crm_resource" i'm pretty sure you'll find
something suitable.

[Andrei Borzenkov]

Post by Michael Böhm

Post by Karl Rößmann
Hi,
is there an easy way to determine in a script (bash or python) whether
a CRM Resource (Xen Domain) is running or not ?

if [ ! "$(/usr/sbin/crm_resource -Q -r resourcename -W)" = "$(hostname)" ];
then
just have a look at "man crm_resource" i'm pretty sure you'll find
something suitable.

"crm resource status <resourcename>" is also possible. But having some
more script-friendly output would be good.

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[Karl Rößmann]

Hi,

I also tried with 'crm_resource'.
I'm not a python export, but I inserted this line:

if os.system("crm_resource -r " + myVM + " -W | grep 'is running'") == 0:

which works !

thanks to the list.

Post by Michael Böhm

Post by Karl Rößmann
Hi,
is there an easy way to determine in a script (bash or python) whether
a CRM Resource (Xen Domain) is running or not ?

if [ ! "$(/usr/sbin/crm_resource -Q -r resourcename -W)" = "$(hostname)" ];
then
just have a look at "man crm_resource" i'm pretty sure you'll find
something suitable.

--
Karl Rößmann Tel. [phone]
Max-Planck-Institut FKF Fax. [phone]
Postfach 800 665
70506 Stuttgart email ***@fkf.mpg.de


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Pacemaker mailing list: ***@oss.clusterlabs.org
http://oss.clusterlabs.org/mailman/listinfo/pacemaker

Project Home: http://www.clusterlabs.org
Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.