On 09/15/2010 05:08 PM, Ofer Inbar wrote: >> I want to write few scripts for my company's services, and I don't know >> how to debug the scripts? >> >> Is there any documentation regarding the issue, or something similar? > > I ran into the same problem this summer. Unfortunately, the answer is > that mostly, full documentation does not exist. However, there are a > few scraps you may find very useful. > > First, here are some notes on the Open Cluster Framework's resource > agent API: > > http://www.opencf.org/cgi-bin/viewcvs.cgi/specs/ra/resource-agent-api.txt?rev=HEAD > > If you're doing Red Hat Cluster Suite, there's more to it than the > OCF-common parts. For example, RHCS metada is, I believe, specific > to RHCS. I pointed out some holes in the documentation to Lon on > IRC a few weeks ago, and he began writing this page: > > http://sources.redhat.com/cluster/wiki/RGManagerResourceAgents > > It's still very incomplete, but already very useful (thanks Lon!) > > Also, some things you can do for debugging: > > 1. Sprinkle some ocf_log calls in strategic places in your script: > > ocf_log info "some debugging statement, including a $OCF_variable" > > -> Make sure /usr/sbin is in your resource agent's path! > > 2. Configure logging so that your log statements make it to syslog. > > See http://sources.redhat.com/cluster/wiki/RGManager > > 3. Use rg_test, which I didn't know about at first. For example: > > sudo rg_test rules > sudo rg_test test /etc/cluster/cluster.conf > sudo rg_test test /etc/cluster/cluster.conf status service myservice > sudo rg_test test /etc/cluster/cluster.conf start service myservice > > It turns out this is documented in the ResourceTrees page on the > cluster wiki, but I didn't read that far on that page because I > wasn't having any trouble understanding or configuring my resource > trees. It's true that rg_test is useful for debugging resource > trees, however it's also useful for troubleshooting resource agents. Thank you! Now, this is exactly what I've looked for :) -- | Jakov Sosic | ICQ: 28410271 | PGP: 0x965CAE2D | ================================================================= | start fighting cancer -> http://www.worldcommunitygrid.org/ | -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
