<smacks forehead> Ya.. that is a lot easier.
Someone should put this in as a feature request. I don't want HA (and have errors on getting that to work) I just want VMs to boot on initial cluster start. this was standard in libvirt :) I am trying to convert to oVirt ways... On Wed, Sep 30, 2020 at 4:10 PM Derek Atkins <[email protected]> wrote: > HI, > > On Wed, September 30, 2020 3:50 pm, Jeremey Wise wrote: > > As the three servers are Centos8 minimal installs. + oVirt HCI wizard to > > keep them lean and mean... a couple questions > > Note that you run this on the Engine VM, not on a host. > > > 1) which version of python would I need for this (note in script about > > python 2 but isn't that deprecated?) > > [root@thor /]# yum install python > > Last metadata expiration check: 2:29:38 ago on Wed 30 Sep 2020 01:18:32 > PM > > EDT. > > No match for argument: python > > There are following alternatives for "python": python2, python36, > python38 > > Error: Unable to find a match: python > > I am still running 4.3, so "python" is 2.7. > I have not tested with python3.. > > > 2) When you have three nodes.. one is set to host the ovirt-engine > > active, > > and another as backup. If this is added to rc.local. Of the two nodes > > hosting HA for oVirt-engine.. node which boots first will host (or so it > > seems). I think if I add this to both those hosts .. it will not create > > issues. Any thoughts? > > Don't run it on a host, run it from within the Engine VM. > > The host(s) will figure out by themselves that they need to start the > engine if one isn't running. Then when the engine starts the script will > run and start the VMs. > > -derek > > > > > On Wed, Sep 30, 2020 at 3:23 PM Derek Atkins <[email protected]> wrote: > > > >> I run it out of rc.local: > >> > >> /usr/local/sbin/start_vms.py > /var/log/start_vms 2>&1 & > >> > >> The script is smart enough to wait for the engine to be fully active. > >> > >> -derek > >> > >> On Wed, September 30, 2020 3:11 pm, Jeremey Wise wrote: > >> > i would like to eventually go ansible route.. and was starting down > >> that > >> > path.... but this is fabulous. > >> > > >> > I will modify and post how it went. > >> > > >> > One question: How /where do you set this saved new and delicious > >> script > >> > so > >> > once oVirt-engine comes up... it runs? > >> > > >> > Thanks > >> > > >> > On Wed, Sep 30, 2020 at 2:42 PM Derek Atkins <[email protected]> wrote: > >> > > >> >> Hi, > >> >> > >> >> I had a script based around ovirt-shell which I re-wrote as a script > >> >> around the Python SDK4 which I run on my engine during the startup > >> >> sequence. The script will wait for the engine to come up and ensure > >> the > >> >> storage domains are up before it tries to start the VMs. Then it > >> will > >> >> go > >> >> ahead and start the VMs in the specified order with specified delay > >> >> and/or > >> >> wait-for-up signal between them. > >> >> > >> >> You can find my scripts at https://www.ihtfp.org/ovirt/ > >> >> > >> >> Or you can go the ansible route :) > >> >> > >> >> Enjoy! > >> >> > >> >> -derek > >> >> > >> >> On Wed, September 30, 2020 11:21 am, Jeremey Wise wrote: > >> >> > When I have to shut down cluster... ups runs out etc.. I need a > >> >> sequence > >> >> > set of just a small number of VMs to "autostart" > >> >> > > >> >> > Normally I just use DNS FQND to connect to oVirt engine but as two > >> of > >> >> my > >> >> > VMs are a DNS HA cluster.. as well as NTP / SMTP /DHCP etc... I > >> >> need > >> >> > those two infrastructure VMs to be auto boot. > >> >> > > >> >> > I looked at HA settings for those VMs but it seems to be watching > >> for > >> >> > pause > >> >> > /resume.. but it does not imply or state auto start on clean first > >> >> boot. > >> >> > > >> >> > Options? > >> >> > > >> >> > > >> >> > -- > >> >> > p <[email protected]>enguinpages > >> >> > _______________________________________________ > >> >> > Users mailing list -- [email protected] > >> >> > To unsubscribe send an email to [email protected] > >> >> > Privacy Statement: https://www.ovirt.org/privacy-policy.html > >> >> > oVirt Code of Conduct: > >> >> > https://www.ovirt.org/community/about/community-guidelines/ > >> >> > List Archives: > >> >> > > >> >> > >> > https://lists.ovirt.org/archives/list/[email protected]/message/VAYHFFSANCBRN44ABBTXIYEAR3ZFCP6N/ > >> >> > > >> >> > >> >> > >> >> -- > >> >> Derek Atkins 617-623-3745 > >> >> [email protected] www.ihtfp.com > >> >> Computer and Internet Security Consultant > >> >> > >> >> > >> > > >> > -- > >> > [email protected] > >> > > >> > >> > >> -- > >> Derek Atkins 617-623-3745 > >> [email protected] www.ihtfp.com > >> Computer and Internet Security Consultant > >> > >> > > > > -- > > [email protected] > > > > > -- > Derek Atkins 617-623-3745 > [email protected] www.ihtfp.com > Computer and Internet Security Consultant > > -- [email protected]
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