Also meant to ask, I see that the awk scripts are feeding the daemon various commands, such as "getpostscript" and "getcredentials", is there documentation somewhere of what all commands are available, or are all of the commands available handled by the plugin files in the xCAT_plugin directory?
On 1/31/2012 8:59 AM, Russell Jones wrote: > Hi Lissa, > > Thanks! We are trying to get the groups a node is a member of for a > special postscript that will execute various commands depending on what > group that node belongs to. The nodes in our environment all belong to > multiple groups depending on their roles. > > I am attempting to avoid the SSH route as we are dealing with a large > cluster. SSH'ing back to that node's xcatmaster doesn't really seem like > the cleanest way of doing it. > > I've created a special mysql user that only has read perms on the > nodelist table, and that seems to work well enough for now. I'll have a > look at the remoteshell postscript as well and see if I can find a way > of getting it to make the xcatmaster return the groups a node belongs > to. That would be my preferred method instead of direct SQL queries. > > > Thanks! > > > > On 1/31/2012 6:55 AM, Lissa Valletta wrote: >> You are trying to get all the groups that a node is a member of on thetr >> compute node? You are right it is not in the environment variables. I >> guess I wonder why you need to know the group list on the nodes? >> We also do not normally setup ssh from the compute nodes to the Management >> node, but if you have that setup you, could run >> ssh MN "nodels<nodename> nodelist.groups". If you are on a service node >> you can just run the nodels command on the SN. >> >> You can write a postscript that will actually contact the xcat daemon on >> the MN and run a script, but this is a little more difficult to do. An >> example of this is /install/postscripts/remoteshell. >> >> >> >> Lissa K. Valletta >> 2-3/T12 >> Poughkeepsie, NY 12601 >> (tie 293) 433-3102 >> >> >> >> >> >> From: Russell Jones<[email protected]> >> To: xCAT Users Mailing list<[email protected]> >> Date: 01/30/2012 04:25 PM >> Subject: [xcat-user] Grab groups a node is a member of >> >> >> >> Hello, >> >> Is it possible to query the xcat server directly via a postscript to >> grab all groups a node is a member of? I am not seeing an easy way of >> doing so outside of either just a direct SQL query or SSH command from >> the compute node to the master node. Was hoping to be able to do it >> through xcat's server interface. >> >> I also dumped all of the environment variables available on install and >> didn't see a group list among them. >> >> Thanks! >> >> ------------------------------------------------------------------------------ >> >> Try before you buy = See our experts in action! >> The most comprehensive online learning library for Microsoft developers >> is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, >> Metro Style Apps, more. Free future releases when you subscribe now! >> http://p.sf.net/sfu/learndevnow-dev2 >> _______________________________________________ >> xCAT-user mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/xcat-user >> >> >> >> >> ------------------------------------------------------------------------------ >> Keep Your Developer Skills Current with LearnDevNow! >> The most comprehensive online learning library for Microsoft developers >> is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, >> Metro Style Apps, more. Free future releases when you subscribe now! >> http://p.sf.net/sfu/learndevnow-d2d >> _______________________________________________ >> xCAT-user mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/xcat-user >> > ------------------------------------------------------------------------------ > Keep Your Developer Skills Current with LearnDevNow! > The most comprehensive online learning library for Microsoft developers > is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, > Metro Style Apps, more. Free future releases when you subscribe now! > http://p.sf.net/sfu/learndevnow-d2d > _______________________________________________ > xCAT-user mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/xcat-user > ------------------------------------------------------------------------------ Keep Your Developer Skills Current with LearnDevNow! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-d2d _______________________________________________ xCAT-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/xcat-user
