From /usr/libexec/vdsm/hooks/before_device_create/ovirt_provider_ovn_hook (installed by ovirt-provider-ovn-driver rpm):
BRIDGE_NAME = 'br-int' Den 2016-12-28 kl. 23:56, skrev Sverker Abrahamsson:
Googling on the message about br-int suggested adding that bridge to ovs:
ovs-vsctl add-br br-int
Then the VM is able to boot, but it fails to get network connectivity. Output in /var/log/messages:
Dec 28 23:31:35 h2 ovs-vsctl: ovs|00001|vsctl|INFO|Called as ovs-vsctl --timeout=5 -- --if-exists del-port vnet0 -- add-port br-int vnet0 -- set Interface vnet0 "external-ids:attached-mac=\"00:1a:4a:16:01:51\"" -- set Interface vnet0 "external-ids:iface-id=\"e8853aac-8a75-41b0-8010-e630017dcdd8\"" -- set Interface vnet0 "external-ids:vm-id=\"b9440d60-ef5a-4e2b-83cf-081df7c09e6f\"" -- set Interface vnet0 external-ids:iface-status=active Dec 28 23:31:35 h2 kernel: device vnet0 entered promiscuous mode Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -D PREROUTING -i vnet0 -j libvirt-J-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -D POSTROUTING -o vnet0 -j libvirt-P-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -L libvirt-J-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -L libvirt-P-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -F libvirt-J-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -X libvirt-J-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -F libvirt-P-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -X libvirt-P-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -F J-vnet0-mac' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -X J-vnet0-mac' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -F J-vnet0-arp-mac' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -X J-vnet0-arp-mac' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w2 -w -D libvirt-out -m physdev --physdev-is-bridged --physdev-out vnet0 -g FO-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w2 -w -D libvirt-out -m physdev --physdev-out vnet0 -g FO-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w2 -w -D libvirt-in -m physdev --physdev-in vnet0 -g FI-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w2 -w -D libvirt-host-in -m physdev --physdev-in vnet0 -g HI-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w2 -w -F FO-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w2 -w -X FO-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w2 -w -F FI-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w2 -w -X FI-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w2 -w -F HI-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w2 -w -X HI-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w2 -w -E FP-vnet0 FO-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w2 -w -E FJ-vnet0 FI-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w2 -w -E HJ-vnet0 HI-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ip6tables -w2 -w -D libvirt-out -m physdev --physdev-is-bridged --physdev-out vnet0 -g FO-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ip6tables -w2 -w -D libvirt-out -m physdev --physdev-out vnet0 -g FO-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ip6tables -w2 -w -D libvirt-in -m physdev --physdev-in vnet0 -g FI-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ip6tables -w2 -w -D libvirt-host-in -m physdev --physdev-in vnet0 -g HI-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ip6tables -w2 -w -F FO-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ip6tables -w2 -w -X FO-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ip6tables -w2 -w -F FI-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ip6tables -w2 -w -X FI-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ip6tables -w2 -w -F HI-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ip6tables -w2 -w -X HI-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ip6tables -w2 -w -E FP-vnet0 FO-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ip6tables -w2 -w -E FJ-vnet0 FI-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ip6tables -w2 -w -E HJ-vnet0 HI-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -D PREROUTING -i vnet0 -j libvirt-I-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -D POSTROUTING -o vnet0 -j libvirt-O-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -L libvirt-I-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -L libvirt-O-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -F libvirt-I-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -X libvirt-I-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -F libvirt-O-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -X libvirt-O-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -L libvirt-P-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -E libvirt-P-vnet0 libvirt-O-vnet0' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -F I-vnet0-mac' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -X I-vnet0-mac' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -F I-vnet0-arp-mac' failed: Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED: '/usr/sbin/ebtables --concurrent -t nat -X I-vnet0-arp-mac' failed:
[root@h2 etc]# ovs-vsctl show ebb6aede-cbbc-4f4f-a88a-a9cd72b2bd23 Bridge ovirtbridge Port "ovirtport0" Interface "ovirtport0" type: internal Port ovirtbridge Interface ovirtbridge type: internal Bridge "ovsbridge0" Port "ovsbridge0" Interface "ovsbridge0" type: internal Port "eth0" Interface "eth0" Bridge br-int Port br-int Interface br-int type: internal Port "vnet0" Interface "vnet0" ovs_version: "2.6.90"
Searching through the code it appears that br-int comes from neutron-openvswitch plugin ??
[root@h2 share]# rpm -qf /usr/share/otopi/plugins/ovirt-host-deploy/openstack/neutron_openvswitch.py ovirt-host-deploy-1.6.0-0.0.master.20161215101008.gitb76ad50.el7.centos.noarch
/Sverker
Den 2016-12-28 kl. 23:24, skrev Sverker Abrahamsson:
In addition I had to add an alias to modprobe:
[root@h2 modprobe.d]# cat dummy.conf alias dummy0 dummy
Den 2016-12-28 kl. 23:03, skrev Sverker Abrahamsson:
Hi I first tried to set device name to dummy_0, but then ifup did not succeed in creating the device unless I first did 'ip link add dummy_0 type dummy' but then it would not suceed to establish the if on reboot.
Setting fake_nics = dummy0 would not work neither, but this works:
fake_nics = dummy*
The engine is now able to find the if and assign bridge ovirtmgmt to it.
However, I then run into the next issue when starting a VM:
2016-12-28 22:28:23,897 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (ForkJoinPool-1-worker-2) [] Correlation ID: null, Call Stack: null, Custom Event ID: -1, Message: VM CentOS7 is down with error. Exit message: Cannot get interface MTU on 'br-int': No such device.
This VM has a nic on ovirtbridge, which comes from the OVN provider.
/Sverker
Den 2016-12-28 kl. 14:38, skrev Marcin Mirecki:
Sverker,
Can you try adding a vnic named veth_* or dummy_*, (or alternatively add the name of the vnic to vdsm.config fake_nics), and setup the management network using this vnic? I suppose adding the vnic you use for connecting to the engine to fake_nics should make it visible to the engine, and you should be able to use it for the setup.
Marcin
----- Original Message -----
From: "Marcin Mirecki" <mmirecki@redhat.com> To: "Sverker Abrahamsson" <sverker@abrahamsson.com> Cc: "Ovirt Users" <users@ovirt.org> Sent: Wednesday, December 28, 2016 12:06:26 PM Subject: Re: [ovirt-users] Issue with OVN/OVS and mandatory ovirtmgmt network
I have an internal OVS bridge called ovirtbridge which has a port with IP address, but in the host network settings that port is not visible. I just verified and unfortunately the virtual ports are not visible in engine to assign a network to :( I'm afraid that the engine is not ready for such a scenario (even if it works). Please give me some time to look for a solution.
----- Original Message -----
From: "Sverker Abrahamsson" <sverker@abrahamsson.com> To: "Marcin Mirecki" <mmirecki@redhat.com> Cc: "Ovirt Users" <users@ovirt.org> Sent: Wednesday, December 28, 2016 11:48:24 AM Subject: Re: [ovirt-users] Issue with OVN/OVS and mandatory ovirtmgmt network
Hi Marcin Yes, that is my issue. I don't want to let ovirt/vdsm see eth0 nor ovsbridge0 since as soon as it sees them it messes up the network config so that the host will be unreachable.
I have an internal OVS bridge called ovirtbridge which has a port with IP address, but in the host network settings that port is not visible. It doesn't help to name it ovirtmgmt.
The engine is able to communicate with the host on the ip it has been given, it's just that it believes that it HAS to have a ovirtmgmt network which can't be on OVN.
/Sverker
Den 2016-12-28 kl. 10:45, skrev Marcin Mirecki: > Hi Sverker, > > The management network is mandatory on each host. It's used by the > engine to communicate with the host. > Looking at your description and the exception it looks like it is > missing. > The error is caused by not having any network for the host > (network list retrieved in > InterfaceDaoImpl.getHostNetworksByCluster - > which > gets all the networks on nics for a host from vds_interface > table in the > DB). > > Could you maybe create a virtual nic connected to ovsbridge0 (as I > understand you > have no physical nic available) and use this for the management > network? > >> I then create a bridge for use with ovirt, with a private address. > I'm not quite sure I understand. Is this yet another bridge > connected to > ovsbridge0? > You could also attach the vnic for the management network here > if need > be. > > Please keep in mind that OVN has no use in setting up the > management > network. > The OVN provider can only handle external networks, which can > not be used > for a > management network. > > Marcin > > > ----- Original Message ----- >> From: "Sverker Abrahamsson" <sverker@abrahamsson.com> >> To: users@ovirt.org >> Sent: Wednesday, December 28, 2016 12:39:59 AM >> Subject: [ovirt-users] Issue with OVN/OVS and mandatory ovirtmgmt >> network >> >> >> >> Hi >> For long time I've been looking for proper support in ovirt for >> Open >> vSwitch >> so I'm happy that it is moving in the right direction. However, >> there >> seems >> to still be a dependency on a ovirtmgmt bridge and I'm unable >> to move >> that >> to the OVN provider. >> >> The hosting center where I rent hw instances has a bit special >> network >> setup, >> so I have one physical network port with a /32 netmask and >> point-to-point >> config to router. The physical port I connect to a ovs bridge >> which has >> the >> public ip. Since ovirt always messes up the network config when >> I've >> tried >> to let it have access to the network config for the physical >> port, I've >> set >> eht0 and ovsbridge0 as hidden in vdsm.conf. >> >> >> I then create a bridge for use with ovirt, with a private >> address. With >> the >> OVN provider I am now able to import these into the engine and >> it looks >> good. When creating a VM I can select that it will have a vNic >> on my OVS >> bridge. >> >> However, I can't start the VM as an exception is thrown in the >> log: >> >> 2016-12-28 00:13:33,350 ERROR >> [org.ovirt.engine.core.bll.RunVmCommand] >> (default task-5) [3c882d53] Error during ValidateFailure.: >> java.lang.NullPointerException >> at >> org.ovirt.engine.core.bll.scheduling.policyunits.NetworkPolicyUnit.validateRequiredNetworksAvailable(NetworkPolicyUnit.java:140) >> >> [bll.jar:] >> at >> org.ovirt.engine.core.bll.scheduling.policyunits.NetworkPolicyUnit.filter(NetworkPolicyUnit.java:69) >> >> [bll.jar:] >> at >> org.ovirt.engine.core.bll.scheduling.SchedulingManager.runInternalFilters(SchedulingManager.java:597) >> >> [bll.jar:] >> at >> org.ovirt.engine.core.bll.scheduling.SchedulingManager.runFilters(SchedulingManager.java:564) >> >> [bll.jar:] >> at >> org.ovirt.engine.core.bll.scheduling.SchedulingManager.canSchedule(SchedulingManager.java:494) >> >> [bll.jar:] >> at >> org.ovirt.engine.core.bll.validator.RunVmValidator.canRunVm(RunVmValidator.java:133) >> >> [bll.jar:] >> at >> org.ovirt.engine.core.bll.RunVmCommand.validate(RunVmCommand.java:940) >> >> [bll.jar:] >> at >> org.ovirt.engine.core.bll.CommandBase.internalValidate(CommandBase.java:886) >> >> [bll.jar:] >> at >> org.ovirt.engine.core.bll.CommandBase.validateOnly(CommandBase.java:366) >> >> [bll.jar:] >> at >> org.ovirt.engine.core.bll.PrevalidatingMultipleActionsRunner.canRunActions(PrevalidatingMultipleActionsRunner.java:113) >> >> [bll.jar:] >> at >> org.ovirt.engine.core.bll.PrevalidatingMultipleActionsRunner.invokeCommands(PrevalidatingMultipleActionsRunner.java:99) >> >> [bll.jar:] >> at >> org.ovirt.engine.core.bll.PrevalidatingMultipleActionsRunner.execute(PrevalidatingMultipleActionsRunner.java:76) >> >> [bll.jar:] >> at >> org.ovirt.engine.core.bll.Backend.runMultipleActionsImpl(Backend.java:613) >> >> [bll.jar:] >> at >> org.ovirt.engine.core.bll.Backend.runMultipleActions(Backend.java:583) >> >> [bll.jar:] >> >> >> Looking at that section of code where the exception is thrown, >> I see >> that >> it >> iterates over host networks to find required networks, which I >> assume is >> ovirtmgmt. In the host network setup dialog I don't see any >> networks at >> all >> but it lists ovirtmgmt as required. It also list the OVN >> networks but >> these >> can't be statically assigned as they are added dynamically when >> needed, >> which is fine. >> >> I believe that I either need to remove ovirtmgmt network or >> configure >> that >> it >> is provided by the OVN provider, but neither is possible. >> Preferably it >> shouldn't be hardcoded which network is management and >> mandatory but be >> possible to configure. >> >> /Sverker >> Den 2016-12-27 kl. 17:10, skrev Marcin Mirecki: >> >>
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