On Tue, May 12, 2020 at 8:49 AM Giorgio Biacchi <gior...@di.unimi.it> wrote:

> On 5/11/20 5:53 PM, Dominik Holler wrote:
> >
> >
> > On Mon, May 11, 2020 at 12:31 PM Giorgio Biacchi <gior...@di.unimi.it
> > <mailto:gior...@di.unimi.it>> wrote:
> >
> >     Hi list,
> >     I've spent a couple of days trying to understand why this was
> >     happening...
> >
> >     For the installation I have a well tested installation server with a
> >     custom kickstart file to setup ssh keys and custom hooks for
> infiniband
> >     and I'm installing Ovirt Node 4.3.9 via pxe, this is particularly
> >     useful
> >     when I have to install a bunch of blades at once.. In the past I had
> no
> >     issues and all was working like a charm until now when some hardware
> >     failed and I had to replace it.
> >
> >     As expected I have no issues in the node installation process.. the
> >     troubles begins when I try to add the node, installation fails and in
> >     the UI I have an exclamation mark with the message "Host has no
> default
> >     route." but I can ping and do ssh to the host from the manager.. the
> >     problem is somewhere else in the communication between the engine and
> >     vdsmd preventing the engine to refresh the host capabilities.
> >
> >     So from the engine I tried:
> >
> >     [root@manager ~]# openssl s_client -connect 172.20.22.78:54321
> >     <http://172.20.22.78:54321>
> >     CONNECTED(00000003)
> >     ---
> >     Certificate chain
> >       0 s:/CN=cn128.lagrange.di.unimi.it/O=VDSM
> >     <http://cn128.lagrange.di.unimi.it/O=VDSM> Certificate
> >         i:/CN=VDSM Certificate Authority
> >       1 s:/CN=VDSM Certificate Authority
> >         i:/CN=VDSM Certificate Authority
> >     ---
> >
> >     The host has still the self signed vdsm certificate.. and on the
> >     host in
> >     vdsm.log I find:
> >
> >     2020-05-11 09:52:25,433+0000 ERROR (Reactor thread)
> >     [ProtocolDetector.SSLHandshakeDispatcher] ssl handshake: SSLError,
> >     address: ::ffff:159.149.129.220 (sslutils:264)
> >
> >     So I tried to enroll the certificate from the UI and from the events
> >     tab
> >     I sow the enrolling was successful but:
> >
> >     [root@manager ~]# openssl s_client -connect 172.20.22.78:54321
> >     <http://172.20.22.78:54321>
> >
> >     140084336994192:error:140790E5:SSL routines:ssl23_write:ssl handshake
> >     failure:s23_lib.c:177:
> >     CONNECTED(00000003)
> >     ---
> >     no peer certificate available
> >     ---
> >
> >     there's still some issue with the certificates.. so on the host
> again:
> >
> >     [root@cn128 vdsm]# find /etc/pki/vdsm/ -type f -cmin -10| xargs ls
> -l
> >     -rw-------. 1 root kvm  1424 May 11 09:56
> /etc/pki/vdsm/certs/cacert.pem
> >     -rw-------. 1 root kvm  5108 May 11 09:57
> >     /etc/pki/vdsm/certs/vdsmcert.pem
> >     -r--r-----. 1 root kvm  1704 May 11 09:56
> /etc/pki/vdsm/keys/vdsmkey.pem
> >     -rw-r--r--. 1 root root 1424 May 11 09:57
> >     /etc/pki/vdsm/libvirt-spice/ca-cert.pem
> >     -rw-r--r--. 1 root root 5108 May 11 09:57
> >     /etc/pki/vdsm/libvirt-spice/server-cert.pem
> >     -r--r-----. 1 root root 1704 May 11 09:56
> >     /etc/pki/vdsm/libvirt-spice/server-key.pem
> >
> >     It seems that cacert.pem and vdsmcert.pem have wrong permissions..
> >     let's
> >     try to fix it..
> >
> >     [root@cn128 vdsm]# chown 36:36 /etc/pki/vdsm/certs/cacert.pem
> >     /etc/pki/vdsm/certs/vdsmcert.pem
> >
> >     And now:
> >
> >     [root@manager ~]# openssl s_client -connect 172.20.22.78:54321| less
> >     CONNECTED(00000003)
> >     ---
> >     Certificate chain
> >       0 s:/O=lagrange.di.unimi.it/CN=172.20.22.78
> >     <http://lagrange.di.unimi.it/CN=172.20.22.78>
> >
> >     i:/C=US/O=lagrange.di.unimi.it/CN=cn305.lagrange.di.unimi.it.35941
> >     <http://lagrange.di.unimi.it/CN=cn305.lagrange.di.unimi.it.35941>
> >       1
> >     s:/C=US/O=lagrange.di.unimi.it/CN=cn305.lagrange.di.unimi.it.35941
> >     <http://lagrange.di.unimi.it/CN=cn305.lagrange.di.unimi.it.35941>
> >
> >     i:/C=US/O=lagrange.di.unimi.it/CN=cn305.lagrange.di.unimi.it.35941
> >     <http://lagrange.di.unimi.it/CN=cn305.lagrange.di.unimi.it.35941>
> >     ---
> >
> >     Now I can finally refresh the host capabilities and setup the host
> >     networks..
> >
> >     In attachment all the relevant logs, I don't know if I've found some
> >     bug.. this is the first time i had so many troubles adding a new
> host..
> >     so I decided to share my experience with the list..
> >
> >
> > Thanks for raising this.
> >
> > On adding the host there is an error about  vdsm-hook-nestedvt which I
> > cannot interprete, maybe someone else can do.
> > In vdsm.log I noticed a strange behavior of setupNetworks, can you
> > please share the corresponding supervdsm.log, too?
> >
> >
> >
> >     Cheers
> >     --
> >     gb
> >
> >     PGP Key: http://pgp.mit.edu/
> >     Primary key fingerprint: C510 0765 943E EBED A4F2 69D3 16CC DC90
> >     B9CB 0F34
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> https://lists.ovirt.org/archives/list/users@ovirt.org/message/6JTU3HB4WCI27WSLGEOSLMPYFU22EX5H/
> >
> Hi,
> I don't think that the missing vdsm-hook-nestedvt is a problem, in our
> environment we have one engine but multiple clusters and that hook is
> only needed on one cluster to enable nested virtualization.
>
> See attachment for supervdsm.log.
>
>
Thanks, network config flows looked fine.

Maybe
https://bugzilla.redhat.com/1794485
is the root for this issue?


> Regards
> --
> gb
>
> PGP Key: http://pgp.mit.edu/
> Primary key fingerprint: C510 0765 943E EBED A4F2 69D3 16CC DC90 B9CB 0F34
>
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