Re: [Users] test day: using VM has host for vdsm

On 01/18/2012 11:13 PM, Ryan Harper wrote: > * Itamar Heim<iheim(a)redhat.com> [2012-01-18 13:46]: >> On 01/18/2012 07:26 PM, Ryan Harper wrote: >>> * Ryan Harper<ryanh(a)us.ibm.com> [2012-01-18 06:59]: >>>> I've created some f16 VMs that contain both ovirt-engine and a few >>>> to run vdsm as nodes. When I add in the VM host into the engine and it >>>> attempts to install vdsm (even though I've already installed vdsm) the >>>> install fails because the vdsm install script is checking to see if >>>> the >>>> host has virt capabilities; since I'm not running nested KVM, this >>>> fails. Is there a way to work around this can enable a VM to be a host >>>> in oVirt? I had heard in the past there was a way to create fake VMs >>>> when attempting to do ovirt-engine stress testing, wondering if that >>>> might be of help here. >>> Now that I have one VM as a host in the UP state in ovirt-engine, >>> let me >>> capture what I needed to get that to work: >>> >>> >>> On my F16-node, since I was following the test day instructions which >>> asked to install vdsm/vdsm-cli and this is already done by ovirt-engine >>> bootstrap. >>> >>> 1) uninstall vdsm and vdsm-cli >>> - ovirt-engine will push down a vdsm package during the bootstrap >>> process >>> >>> 2) disable selinux >>> - edit /etc/sysconfig/selinux and set SELINUX=disabled >>> - reboot >>> >>> 3) ensure ssl=false and fake_kvm_support=true in /etc/vdsm/vdsm.conf >>> >>> 4) restart vdsmd >>> >>> >>> On the ovirt-engine instanes >>> >>> # we have a gateway in the way so we're using ssh tunneling to access >>> # the ovirt-engine VM instance >>> >>> 1) re-install ovirt-engine and don't use localhost as the hostname >>> since >>> this value is passed to the host you install vdsm on and it will >>> fail to >>> push the bootstrap script down. This means that after you setup your >>> tunnel, to get to the admin interface, you need to manually enter: >>> >>> http://localhost:8080/webadmin >>> >>> 2) edit >>> /usr/share/ovirt-engine/engine.ear/components.war/vds/vds_bootstrap.py >>> and comment out lines 836->839, like this. >>> >>> # if not oDeploy.virtExplorer(random_num): >>> # logging.error('virtExplorer test failed') >>> # return False >>> >>> 3) some misc stuff (not sure if it is needed, but looks harmless >>> enough) >>> >>> mkdir /var/lock/ovirt-engine/ >>> chown jboss-as:jboss-as -R /var/lock/ovirt-engine >>> restorecon -Fvv /var/lock/ovirt-engine >>> >>> 4) update jboss configuration to not use ssl >>> >>> psql -U postgres engine -c "update vdc_options set option_value='false' >>> where >>> +option_name='UseSecureConnectionWithServers' and version='general';" >>> >>> 5) restart jboss >>> >>> service restart jboss-as >>> >>>> Also, are their vdsm rpms built for RHEL6.x available? >> you can set InstallVds to false in engine config, which will only add > what does this command look like? I plan to update the installing vdsm > wiki page. Itamar, i think this value is missing on engine-config - will look into

it tomorrow: engine-config -l | grep -i install oVirtISOsRepositoryPath: "The RHEV-H installation files path" (Value Type: String) VdcBootStrapUrl: "Host Installation Bootstrap Script URL" (Value Type: String) Ryan, you can change it on DB: UPDATE vdc_options SET option_value = false where option_name = 'InstallVds'; Moran. >> the host without doing any communication to it. >> together with disabling ssl/secure connections should be easy enough >> to use. >> you would need to install vdsm manually and configure the ovirtmgmt >> bridge. > That sounds good; it'd probably be good to mention that on the > installing VDSM page which walks folks through installing vdsm. > > >