Dale Ghent wrote: > Hey all, I've been following the developments around AI and like what > I see so far. I was paging through version 1 of the AI design doc and > noted this section: > > 4.9.7 Host Name > In a controlled environment, each IP address has an associated host > name. In those situation, the clients will know their hostname when > they get the IP address. Setting up the installation based on hostname > is easier for the administrator. So it makes sense to use hostname as > the criteria to get the manifests. > > This sounds pretty familiar, just like the rules file in Jumpstart. > One thing that I've always desired in Jumpstart, and might be good to > introduce here in AI, is the ability to use regular expressions, > particularly for host names. > > Say I have a ton of hosts, groups of which do specific jobs that are > reflected in their hostnames... say like a bunch of web servers that > are named like web1.foo.com, web2.foo.com, and so on. I might also > have pools of database servers such as db1.blah.com, db2.blah.com, > db3.blah.com.... > This is an interesting suggestion. Currently Automated Installer is using the information like IP address, Network Number, Ethernet Address, Memory Size and architecture to determine what kind of installation will be performed on the client. We could support wild card in the host name. > It is reasonable to expect that the web servers and the db servers > might get a similar basic OS load on them, but then take divergent > paths regarding "begin" and "finish" scripts, extra packages and > patches, configuration file tweaks and such. > Automated Installer doesn't support running scripts as the part of the installation. The Automated Installer uses IPS (Image Packaging System) to add the packages. The configuration changes to the installed system cannot be performed in the same way like in Jumpstart. > Rather than list each and every host by name, with all the web servers > having the same manifest, and all the db servers having their same > manifest, it would be useful just to stick a regex in there. > > Any hostname matching web\d+.foo.com gets the "webserver" manifest, > for example. > > Also, regarding AI criteria based on IP address range, would one be > able to specify this range in CIDR notation? > Currently it is not supported but we will support in the future releases.
Thanks, Sundar > TIA, > /dale > _______________________________________________ > caiman-discuss mailing list > caiman-discuss at opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/caiman-discuss >
