[ovirt-users] Users Digest, Vol 54, Issue 45 VM migration by using the Python SDK

Mon Mar 7 19:33:49 UTC 2016

Hi,

Thx  a lot.

Regards,
J.P.

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Subject: Users Digest, Vol 54, Issue 45

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Today's Topics:

   1. Re:  restore-nets failing (was: Fresh install failing	(Hosted
      Engine)) (Jonathan Sherman)
   2. Re:  regenerate libvirt-spice keys after libvirtd restart?
      (Bill James)
   3. Re:  VM migration by using the Python SDK (Yaniv Kaul)

----------------------------------------------------------------------

Message: 1
Date: Mon, 7 Mar 2016 12:49:56 -0500
From: Jonathan Sherman <haviland at gmail.com>
To: Dan Kenigsberg <danken at redhat.com>
Cc: Martin Polednik <mpolednik at redhat.com>, users <users at ovirt.org>
Subject: Re: [ovirt-users] restore-nets failing (was: Fresh install
	failing	(Hosted Engine))
Message-ID:
	<CAG7LhDtBRxQUC1Qnzqg6gY_tXQz8MSS3HUJfPO3F789=cVndUg at mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Bug 1315435 Submitted.  Let me know if there's anything else I can do to help.

On Mon, Mar 7, 2016 at 12:04 PM, Dan Kenigsberg <danken at redhat.com> wrote:

> On Mon, Mar 07, 2016 at 11:45:27AM -0500, Jonathan Sherman wrote:
> > The SMBIOS settings were indeed indeed the issue that was blocking 
> > me.  I investigated how to configure the SMBIOS settings and now 
> > restore-nets works, and I'm getting past where I was failing on the 
> > hosted-engine --deploy.
> >
> > FYI, I had to download the "Intel Integrator Toolkit" (which is now 
> > EOL) and create a custom BIOS to add those settings in for my 
> > system, which is an Intel NUC DN2820FYKH.
> >
> > I am happy to back this out and test any changes if you'd like, but 
> > this has gotten me to where I can continue oVirt testing for now.  
> > I'll likely be reinstalling a few times along the way to polish my 
> > documentation, so let me know if you want me to revert my BIOS and test anything.
> >
> > Thanks all!
> > -js
> >
> > On Mon, Mar 7, 2016 at 11:22 AM, Martin Polednik 
> > <mpolednik at redhat.com>
> > wrote:
> >
> > > On 07/03/16 11:09 -0500, Jonathan Sherman wrote:
> > >
> > >> Thanks for your time on this Dan!
> > >>
> > >> The output from the hostdev looks like it may be unparseable, so 
> > >> I'm hoping this is the issue (and that it can be easily 
> > >> remedied).
> > >>
> > >> I've also create a log of the other items you asked for, available at:
> > >> https://www.dropbox.com/s/qh0yw1ptpivpatm/typescript?dl=0
> > >>
> > >> [root at ovirt01 vdsm]# vdsm-tool restore-nets <device>  
> > >> <name>computer</name>  <capability type='system'>
> > >>    <product>?????????????????????????????????</product>
> > >>    <hardware>
> > >>      <vendor>?????????????????????????????????</vendor>
> > >>      <version>?????????????????????????????????</version>
> > >>      <serial>?????????????????????????????????</serial>
> > >>      <uuid>d6a3e3c1-c5cb-42e9-a54c-ff8d0df91722</uuid>
> > >>    </hardware>
> > >>    <firmware>
> > >>      <vendor>Intel Corp.</vendor>
> > >>      <version>FYBYT10H.86A.0052.2015.0923.1845</version>
> > >>      <release_date>09/23/2015</release_date>
> > >>    </firmware>
> > >>  </capability>
> > >> </device>
> > >>
> > >
> > > That seems to be the issue. Even bigger issue is that we can not 
> > > skip this device easily, as it is the root of device tree and must 
> > > be present in database.
> > >
> > > I can think of logging the exception but letting the call go 
> > > through and create a hook to fake a (minimal) device tree. Dan, 
> > > what do you
> think?
>
>
> But why isn't this a valid xml, Martin? I suspect that we need to 
> utf-8-decode nodedev-xml before using them in Vdsm, similar to what we 
> do with domain-xml? (consider Klingon characters in the <vendor> 
> element).
>
> In any case, this issue merits a bug - could you open it, Jonathan, 
> and attach relevant data to it?
>
> Regards,
> Dan.
>
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Message: 2
Date: Mon, 7 Mar 2016 10:09:30 -0800
From: Bill James <bill.james at j2.com>
To: users <users at ovirt.org>
Subject: Re: [ovirt-users] regenerate libvirt-spice keys after
	libvirtd restart?
Message-ID: <56DDC3DA.9040601 at j2.com>
Content-Type: text/plain; charset="utf-8"; format=flowed

thanks for the reply.
I tried reinstall of one host. Didn't help.
Also tried removing the host and reinstalling it. Didn't help.

Looks like server cert & key were regenerated, but not ca-cert.pem.

[root at ovirt2 test ~]# ls -rtl /etc/pki/vdsm/libvirt-spice|grep -v 2016|tail total 84
-rw-r--r-- 1 root kvm 1379 Feb 19 17:09 ca-cert.pem
-rw-r--r-- 1 root kvm 1570 Mar  7 09:44 server-cert.pem
-r--r----- 1 vdsm kvm 1675 Mar  7 09:44 server-key.pem

[root at ovirt2 test ~]# tail -3 /etc/libvirt/qemu.conf
spice_tls=1
spice_tls_x509_cert_dir="/etc/pki/vdsm/libvirt-spice"
## end of configuration section by vdsm-4.17.0

Chown'd all the files to vdsm:kvm just incase, and rebooted the host.
Didn't help.

Changed console back to VNC and it starts up fine.

Seems strange that I could mess up the spice keys just by restarting libvirtd. (service libvirtd restart)

On 03/07/2016 06:15 AM, David Ja?a wrote:
> Hi,
>
> it looks like you messed up private key location and/or contents. If you
> "Reinstall" the host in ovirt engine, the keys/certs should get
> regenerated.
>
> David
>
> On P?, 2016-03-04 at 10:16 -0800, Bill James wrote:
>> I needed to bounce libvirtd after changing a config in libvirt/qemu.conf
>> so import-to-ovirt.pl,
>> but now my VMs with Spice console complain:
>>
>> libvirtError: internal error: process exited while connecting to
>> monitor: ((null):2791): Spice-Warning **: reds.c:3311:reds_init_ssl:
>> Could not use private key file
>>
>> What is the proper way to sync up the key after restarting libvirtd?
>> I even tried rebooting host and restart ovirt-engine and ovirt-engine
>> setup, didn't help.
>>
>> Work around is just use VNC consoles. But I'd like to get spice working
>> again.
>>
>> centos 7.2
>> libvirt-client-1.2.17-13.el7_2.2.x86_64
>> ovirt-engine-3.6.2.6-1.el7.centos.noarch
>>
>>
>>
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------------------------------

Message: 3
Date: Mon, 7 Mar 2016 20:59:23 +0200
From: Yaniv Kaul <ykaul at redhat.com>
To: Jean-Pierre Ribeauville <jpribeauville at axway.com>
Cc: "users at ovirt.org" <users at ovirt.org>
Subject: Re: [ovirt-users] VM migration by using the Python SDK
Message-ID:
	<CAJgorsahS5V+qgcGNrdnRMoMYLUwgqmMuP_3NtmLkj43sJHNTw at mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

On Mon, Mar 7, 2016 at 6:17 PM, Jean-Pierre Ribeauville <
jpribeauville at axway.com> wrote:

> Hi,
>
>
>
>
>
> I?m a little bit lost by looking how to migrate a Guest between two nodes
> of a same cluster by using  ovirt  python  API .
>

Copy-paste from oVirt system tests[1], adapt as you need:

def vm_migrate(prefix):
    api = prefix.virt_env.engine_vm().get_api()
    host_names = [h.name() for h in prefix.virt_env.host_vms()]

    migrate_params = params.Action(
        host=params.Host(
            name=sorted(host_names)[1]
        ),
    )
    api.vms.get(VM1_NAME).migrate(migrate_params)
    testlib.assert_true_within_short(
        lambda: api.vms.get(VM1_NAME).status.state == 'up',
    )

Y.
[1]
https://gerrit.ovirt.org/#/c/48206/4/basic_suite_3.6/test-scenarios/004_basic_sanity.py

>
>
> Is it the good way  to start for ovirt engine sources ?
>
>
>
> Thx for help.
>
>
>
> Regards,
>
>
>
> Jean-Pierre RIBEAUVILLE
>
>
>
> +33 1 4717 2049
>
>
>
> [image: axway_logo_tagline_87px]
>
>
>
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