Hi, Can't read XML? Then this may be something for you...
For some time the command line interface for the CRM/Pacemaker has been in the works. About one month ago I posted a draft specification and user guide to the development list. There was no response, so I assumed that everybody was happy with it ;-) As I got better grip on how the program could be used, the specification changed accordingly during the development. The first release is already in the Pacemaker's development repository. You can get it here: http://hg.clusterlabs.org/pacemaker/dev/raw-file/tip/tools/crm.in To run it, first replace @HA_VARLIBDIR@ with /var/lib or wherever heartbeat/crm lives. Or compile and install the latest pacemaker code. Andrew will probably soon make new rpms. The source of the current documentation: http://hg.clusterlabs.org/pacemaker/dev/raw-file/tip/doc/crm_cli.txt It is readable, but to produce an esthetically more pleasing document, just process it with asciidoc to get PDF or HTML. CLI consists of two main parts: the management (resource start/stop, node standby, and similar) and the configuration part. There is a (very) small language with which it is possible to specify the cluster configuration. This description is then translated by the CLI into an XML which the CRM understands. The management may be used with all versions of heartbeat v2/pacemaker, as it is using the external tools such as crm_resource. The configuration part supports only the development version of Pacemaker, i.e. it won't work with Pacemaker 0.6.x or Heartbeat 2.1.x versions. If there's a too big an outcry, I may consider fixing it to support the older releases as well. To start using it, read the document. If you can't (as most of you probably won't), just start the program (type crm) and try to manage with help. Some things are not implemented yet, but should be there soon enough: - tab completion (this seems to me very important, so it is the first on the list) - configuring cluster properties (crm_config) - the "slow" resource configuration (the "enter" command) Suggestions are, as always, very welcome. If you have a good idea on how to improve the usability, I'm all ears. Thanks, Dejan _______________________________________________ Pacemaker mailing list Pacemaker@clusterlabs.org http://list.clusterlabs.org/mailman/listinfo/pacemaker
