[ovirt-users] Re: OVN Geneve tunnels not been established

On Tue, Sep 15, 2020 at 5:34 PM Konstantinos Betsis <k.betsis(a)gmail.com&gt; wrote: > There is a file with the below entries > Impressive, do you know when this config file was created and if it was manually modified? Is this an upgrade from oVirt 4.1? > [root@dc02-ovirt01 log]# cat > /etc/ovirt-provider-ovn/conf.d/10-setup-ovirt-provider-ovn.conf > # This file is automatically generated by engine-setup. Please do not > edit manually > [OVN REMOTE] > ovn-remote=tcp:127.0.0.1:6641 > [SSL] > https-enabled=false > ssl-cacert-file=/etc/pki/ovirt-engine/ca.pem > ssl-cert-file=/etc/pki/ovirt-engine/certs/ovirt-provider-ovn.cer > ssl-key-file=/etc/pki/ovirt-engine/keys/ovirt-provider-ovn.key.nopass > [OVIRT] > ovirt-sso-client-secret=*random_test* > ovirt-host=https://dc02-ovirt01.testdomain.com:443 > ovirt-sso-client-id=ovirt-provider-ovn > ovirt-ca-file=/etc/pki/ovirt-engine/apache-ca.pem > [NETWORK] > port-security-enabled-default=True > [PROVIDER] > > provider-host=dc02-ovirt01.testdomain.com > > The only entry missing is the [AUTH] and under [SSL] the https-enabled is > false. Should I edit this in this file or is this going to break > everything? > > Changing the file should improve, but better create a backup into another diretory before modification. The only required change is from ovn-remote=tcp:127.0.0.1:6641 to ovn-remote=ssl:127.0.0.1:6641 > On Tue, Sep 15, 2020 at 6:27 PM Dominik Holler <dholler(a)redhat.com&gt; > wrote: > >> >> >> On Tue, Sep 15, 2020 at 5:11 PM Konstantinos Betsis <k.betsis(a)gmail.com&gt; >> wrote: >> >>> Hi Dominik >>> >>> That immediately fixed the geneve tunnels between all hosts. >>> >>> >> thanks for the feedback. >> >> >>> However, the ovn provider is not broken. >>> After fixing the networks we tried to move a VM to the DC01-host01 so >>> we powered it down and simply configured it to run on dc01-node01. >>> >>> While checking the logs on the ovirt engine i noticed the below: >>> Failed to synchronize networks of Provider ovirt-provider-ovn. >>> >>> The ovn-provider configure on the engine is the below: >>> Name: ovirt-provider-ovn >>> Description: oVirt network provider for OVN >>> Type: External Network Provider >>> Network Plugin: oVirt Network Provider for OVN >>> Automatic Synchronization: Checked >>> Unmanaged: Unchecked >>> Provider URL: http:localhost:9696 >>> Requires Authentication: Checked >>> Username: admin@internal >>> Password: "The admin password" >>> Protocol: hTTP >>> Host Name: dc02-ovirt01 >>> API Port: 35357 >>> API Version: v2.0 >>> Tenant Name: "Empty" >>> >>> In the past this was deleted by an engineer and recreated as per the >>> documentation, and it worked. Do we need to update something due to the SSL >>> on the ovn? >>> >>> >> Is there a file in /etc/ovirt-provider-ovn/conf.d/ ? >> engine-setup should have created one. >> If the file is missing, for testing purposes, you can create a >> file /etc/ovirt-provider-ovn/conf.d/00-setup-ovirt-provider-ovn-test.conf : >> [PROVIDER] >> provider-host=REPLACE_WITH_FQDN >> [SSL] >> ssl-cert-file=/etc/pki/ovirt-engine/certs/ovirt-provider-ovn.cer >> ssl-key-file=/etc/pki/ovirt-engine/keys/ovirt-provider-ovn.key.nopass >> ssl-cacert-file=/etc/pki/ovirt-engine/ca.pem >> https-enabled=true >> [OVN REMOTE] >> ovn-remote=ssl:127.0.0.1:6641 >> [AUTH] >> auth-plugin=auth.plugins.static_token:NoAuthPlugin >> [NETWORK] >> port-security-enabled-default=True >> >> and restart the ovirt-provider-ovn service. >> >> >> >> >>> From the ovn-provider logs the below is generated after a service >>> restart and when the start VM is triggered >>> >>> 2020-09-15 15:07:33,579 root Starting server >>> 2020-09-15 15:07:33,579 root Version: 1.2.29-1 >>> 2020-09-15 15:07:33,579 root Build date: 20191217125241 >>> 2020-09-15 15:07:33,579 root Githash: cb5a80d >>> 2020-09-15 15:08:26,582 root From: ::ffff:127.0.0.1:59980 Request: GET >>> /v2.0/ports >>> 2020-09-15 15:08:26,582 root Could not retrieve schema from tcp: >>> 127.0.0.1:6641: Unknown error -1 >>> Traceback (most recent call last): >>> File "/usr/share/ovirt-provider-ovn/handlers/base_handler.py", line >>> 138, in _handle_request >>> method, path_parts, content >>> File "/usr/share/ovirt-provider-ovn/handlers/selecting_handler.py", >>> line 175, in handle_request >>> return self.call_response_handler(handler, content, parameters) >>> File "/usr/share/ovirt-provider-ovn/handlers/neutron.py", line 35, in >>> call_response_handler >>> with NeutronApi() as ovn_north: >>> File "/usr/share/ovirt-provider-ovn/neutron/neutron_api.py", line 95, >>> in __init__ >>> self.ovsidl, self.idl = ovn_connection.connect() >>> File "/usr/share/ovirt-provider-ovn/ovn_connection.py", line 46, in >>> connect >>> ovnconst.OVN_NORTHBOUND >>> File >>> "/usr/lib/python2.7/site-packages/ovsdbapp/backend/ovs_idl/connection.py", >>> line 127, in from_server >>> helper = idlutils.get_schema_helper(connection_string, schema_name) >>> File >>> "/usr/lib/python2.7/site-packages/ovsdbapp/backend/ovs_idl/idlutils.py", >>> line 128, in get_schema_helper >>> 'err': os.strerror(err)}) >>> Exception: Could not retrieve schema from tcp:127.0.0.1:6641: Unknown >>> error -1 >>> >>> >>> When i update the ovn provider from the GUI to have >>> https://localhost:9696/ and HTTPS as the protocol the test fails. >>> >>> On Tue, Sep 15, 2020 at 5:35 PM Dominik Holler <dholler(a)redhat.com&gt; >>> wrote: >>> >>>> >>>> >>>> On Mon, Sep 14, 2020 at 9:25 AM Konstantinos Betsis < >>>> k.betsis(a)gmail.com&gt; wrote: >>>> >>>>> Hi Dominik >>>>> >>>>> When these commands are used on the ovirt-engine host the output is >>>>> the one depicted in your email. >>>>> For your reference see also below: >>>>> >>>>> [root@ath01-ovirt01 certs]# ovn-nbctl get-ssl >>>>> Private key: /etc/pki/ovirt-engine/keys/ovn-ndb.key.nopass >>>>> Certificate: /etc/pki/ovirt-engine/certs/ovn-ndb.cer >>>>> CA Certificate: /etc/pki/ovirt-engine/ca.pem >>>>> Bootstrap: false >>>>> [root@ath01-ovirt01 certs]# ovn-nbctl get-connection >>>>> ptcp:6641 >>>>> >>>>> [root@ath01-ovirt01 certs]# ovn-sbctl get-ssl >>>>> Private key: /etc/pki/ovirt-engine/keys/ovn-sdb.key.nopass >>>>> Certificate: /etc/pki/ovirt-engine/certs/ovn-sdb.cer >>>>> CA Certificate: /etc/pki/ovirt-engine/ca.pem >>>>> Bootstrap: false >>>>> [root@ath01-ovirt01 certs]# ovn-sbctl get-connection >>>>> read-write role="" ptcp:6642 >>>>> >>>>> >>>> ^^^ the line above points to the problem: ovn-central is configured to >>>> use plain TCP without ssl. >>>> engine-setup usually configures ovn-central to use SSL. That the files >>>> /etc/pki/ovirt-engine/keys/ovn-* exist, shows, >>>> that engine-setup was triggered correctly. Looks like the ovn db was >>>> dropped somehow, this should not happen. >>>> This can be fixed manually by executing the following commands on >>>> engine's machine: >>>> ovn-nbctl set-ssl /etc/pki/ovirt-engine/keys/ovn-ndb.key.nopass >>>> /etc/pki/ovirt-engine/certs/ovn-ndb.cer /etc/pki/ovirt-engine/ca.pem >>>> ovn-nbctl set-connection pssl:6641 >>>> ovn-sbctl set-ssl /etc/pki/ovirt-engine/keys/ovn-sdb.key.nopass >>>> /etc/pki/ovirt-engine/certs/ovn-sdb.cer /etc/pki/ovirt-engine/ca.pem >>>> ovn-sbctl set-connection pssl:6642 >>>> >>>> The /var/log/openvswitch/ovn-controller.log on the hosts should tell >>>> that br-int.mgmt is connected now. >>>> >>>> >>>> >>>>> [root@ath01-ovirt01 certs]# ls -l /etc/pki/ovirt-engine/keys/ovn-* >>>>> -rw-r-----. 1 root hugetlbfs 1828 Jun 25 11:08 >>>>> /etc/pki/ovirt-engine/keys/ovn-ndb.key.nopass >>>>> -rw-------. 1 root root 2893 Jun 25 11:08 >>>>> /etc/pki/ovirt-engine/keys/ovn-ndb.p12 >>>>> -rw-r-----. 1 root hugetlbfs 1828 Jun 25 11:08 >>>>> /etc/pki/ovirt-engine/keys/ovn-sdb.key.nopass >>>>> -rw-------. 1 root root 2893 Jun 25 11:08 >>>>> /etc/pki/ovirt-engine/keys/ovn-sdb.p12 >>>>> >>>>> When i try the above commands on the node hosts the following happens: >>>>> ovn-nbctl get-ssl / get-connection >>>>> ovn-nbctl: unix:/var/run/openvswitch/ovnnb_db.sock: database >>>>> connection failed (No such file or directory) >>>>> The above i believe is expected since no northbound connections >>>>> should be established from the host nodes. >>>>> >>>>> ovn-sbctl get-ssl /get-connection >>>>> The output is stuck till i terminate it. >>>>> >>>>> >>>> Yes, the ovn-* commands works only on engine's machine, which has the >>>> role ovn-central. >>>> On the hosts, there is only the ovn-controller, which connects the >>>> ovn southbound to openvswitch on the host. >>>> >>>> >>>>> For the requested logs the below are found in the ovsdb-server-sb.log >>>>> >>>>> 2020-09-14T07:18:38.187Z|219636|reconnect|WARN|tcp:DC02-host01:33146: >>>>> connection dropped (Protocol error) >>>>> 2020-09-14T07:18:41.946Z|219637|reconnect|WARN|tcp:DC01-host01:51188: >>>>> connection dropped (Protocol error) >>>>> 2020-09-14T07:18:43.033Z|219638|reconnect|WARN|tcp:DC01-host02:37044: >>>>> connection dropped (Protocol error) >>>>> 2020-09-14T07:18:46.198Z|219639|reconnect|WARN|tcp:DC02-host01:33148: >>>>> connection dropped (Protocol error) >>>>> 2020-09-14T07:18:50.069Z|219640|jsonrpc|WARN|Dropped 4 log messages >>>>> in last 12 seconds (most recently, 4 seconds ago) due to excessive rate >>>>> 2020-09-14T07:18:50.069Z|219641|jsonrpc|WARN|tcp:DC01-host01:51190: >>>>> error parsing stream: line 0, column 0, byte 0: invalid character U+0016 >>>>> 2020-09-14T07:18:50.069Z|219642|jsonrpc|WARN|Dropped 4 log messages >>>>> in last 12 seconds (most recently, 4 seconds ago) due to excessive rate >>>>> 2020-09-14T07:18:50.069Z|219643|jsonrpc|WARN|tcp:DC01-host01:51190: >>>>> received SSL data on JSON-RPC channel >>>>> 2020-09-14T07:18:50.070Z|219644|reconnect|WARN|tcp:DC01-host01:51190: >>>>> connection dropped (Protocol error) >>>>> 2020-09-14T07:18:51.147Z|219645|reconnect|WARN|tcp:DC01-host02:37046: >>>>> connection dropped (Protocol error) >>>>> 2020-09-14T07:18:54.209Z|219646|reconnect|WARN|tcp:DC02-host01:33150: >>>>> connection dropped (Protocol error) >>>>> 2020-09-14T07:18:58.192Z|219647|reconnect|WARN|tcp:DC01-host01:51192: >>>>> connection dropped (Protocol error) >>>>> 2020-09-14T07:18:59.262Z|219648|jsonrpc|WARN|Dropped 3 log messages >>>>> in last 8 seconds (most recently, 1 seconds ago) due to excessive rate >>>>> 2020-09-14T07:18:59.262Z|219649|jsonrpc|WARN|tcp:DC01-host02:37048: >>>>> error parsing stream: line 0, column 0, byte 0: invalid character U+0016 >>>>> 2020-09-14T07:18:59.263Z|219650|jsonrpc|WARN|Dropped 3 log messages >>>>> in last 8 seconds (most recently, 1 seconds ago) due to excessive rate >>>>> 2020-09-14T07:18:59.263Z|219651|jsonrpc|WARN|tcp:DC01-host02:37048: >>>>> received SSL data on JSON-RPC channel >>>>> 2020-09-14T07:18:59.263Z|219652|reconnect|WARN|tcp:DC01-host02:37048: >>>>> connection dropped (Protocol error) >>>>> 2020-09-14T07:19:02.220Z|219653|reconnect|WARN|tcp:DC02-host01:33152: >>>>> connection dropped (Protocol error) >>>>> 2020-09-14T07:19:06.316Z|219654|reconnect|WARN|tcp:DC01-host01:51194: >>>>> connection dropped (Protocol error) >>>>> 2020-09-14T07:19:07.386Z|219655|reconnect|WARN|tcp:DC01-host02:37050: >>>>> connection dropped (Protocol error) >>>>> 2020-09-14T07:19:10.232Z|219656|reconnect|WARN|tcp:DC02-host01:33154: >>>>> connection dropped (Protocol error) >>>>> 2020-09-14T07:19:14.439Z|219657|jsonrpc|WARN|Dropped 4 log messages >>>>> in last 12 seconds (most recently, 4 seconds ago) due to excessive rate >>>>> 2020-09-14T07:19:14.439Z|219658|jsonrpc|WARN|tcp:DC01-host01:51196: >>>>> error parsing stream: line 0, column 0, byte 0: invalid character U+0016 >>>>> 2020-09-14T07:19:14.439Z|219659|jsonrpc|WARN|Dropped 4 log messages >>>>> in last 12 seconds (most recently, 4 seconds ago) due to excessive rate >>>>> 2020-09-14T07:19:14.439Z|219660|jsonrpc|WARN|tcp:DC01-host01:51196: >>>>> received SSL data on JSON-RPC channel >>>>> 2020-09-14T07:19:14.440Z|219661|reconnect|WARN|tcp:DC01-host01:51196: >>>>> connection dropped (Protocol error) >>>>> 2020-09-14T07:19:15.505Z|219662|reconnect|WARN|tcp:DC01-host02:37052: >>>>> connection dropped (Protocol error) >>>>> >>>>> >>>>> How can we fix these SSL errors? >>>>> >>>> >>>> I addressed this above. >>>> >>>> >>>>> I thought vdsm did the certificate provisioning on the host nodes as >>>>> to communicate to the engine host node. >>>>> >>>>> >>>> Yes, this seems to work in your scenario, just the SSL configuration >>>> on the ovn-central was lost. >>>> >>>> >>>>> On Fri, Sep 11, 2020 at 6:39 PM Dominik Holler <dholler(a)redhat.com&gt; >>>>> wrote: >>>>> >>>>>> Looks still like the ovn-controller on the host has problems >>>>>> communicating with ovn-southbound. >>>>>> >>>>>> Are there any hints in /var/log/openvswitch/*.log, >>>>>> especially in /var/log/openvswitch/ovsdb-server-sb.log ? >>>>>> >>>>>> Can you please check the output of >>>>>> >>>>>> ovn-nbctl get-ssl >>>>>> ovn-nbctl get-connection >>>>>> ovn-sbctl get-ssl >>>>>> ovn-sbctl get-connection >>>>>> ls -l /etc/pki/ovirt-engine/keys/ovn-* >>>>>> >>>>>> it should be similar to >>>>>> >>>>>> [root@ovirt-43 ~]# ovn-nbctl get-ssl >>>>>> Private key: /etc/pki/ovirt-engine/keys/ovn-ndb.key.nopass >>>>>> Certificate: /etc/pki/ovirt-engine/certs/ovn-ndb.cer >>>>>> CA Certificate: /etc/pki/ovirt-engine/ca.pem >>>>>> Bootstrap: false >>>>>> [root@ovirt-43 ~]# ovn-nbctl get-connection >>>>>> pssl:6641:[::] >>>>>> [root@ovirt-43 ~]# ovn-sbctl get-ssl >>>>>> Private key: /etc/pki/ovirt-engine/keys/ovn-sdb.key.nopass >>>>>> Certificate: /etc/pki/ovirt-engine/certs/ovn-sdb.cer >>>>>> CA Certificate: /etc/pki/ovirt-engine/ca.pem >>>>>> Bootstrap: false >>>>>> [root@ovirt-43 ~]# ovn-sbctl get-connection >>>>>> read-write role="" pssl:6642:[::] >>>>>> [root@ovirt-43 ~]# ls -l /etc/pki/ovirt-engine/keys/ovn-* >>>>>> -rw-r-----. 1 root hugetlbfs 1828 Oct 14 2019 >>>>>> /etc/pki/ovirt-engine/keys/ovn-ndb.key.nopass >>>>>> -rw-------. 1 root root 2709 Oct 14 2019 >>>>>> /etc/pki/ovirt-engine/keys/ovn-ndb.p12 >>>>>> -rw-r-----. 1 root hugetlbfs 1828 Oct 14 2019 >>>>>> /etc/pki/ovirt-engine/keys/ovn-sdb.key.nopass >>>>>> -rw-------. 1 root root 2709 Oct 14 2019 >>>>>> /etc/pki/ovirt-engine/keys/ovn-sdb.p12 >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> On Fri, Sep 11, 2020 at 1:10 PM Konstantinos Betsis < >>>>>> k.betsis(a)gmail.com&gt; wrote: >>>>>> >>>>>>> I did a restart of the ovn-controller, this is the output of the >>>>>>> ovn-controller.log >>>>>>> >>>>>>> 2020-09-11T10:54:07.566Z|00001|vlog|INFO|opened log file >>>>>>> /var/log/openvswitch/ovn-controller.log >>>>>>> 2020-09-11T10:54:07.568Z|00002|reconnect|INFO|unix:/var/run/openvswitch/db.sock: >>>>>>> connecting... >>>>>>> 2020-09-11T10:54:07.568Z|00003|reconnect|INFO|unix:/var/run/openvswitch/db.sock: >>>>>>> connected >>>>>>> 2020-09-11T10:54:07.570Z|00004|main|INFO|OVS IDL reconnected, force >>>>>>> recompute. >>>>>>> 2020-09-11T10:54:07.571Z|00005|reconnect|INFO|ssl:OVIRT_ENGINE_IP:6642: >>>>>>> connecting... >>>>>>> 2020-09-11T10:54:07.571Z|00006|main|INFO|OVNSB IDL reconnected, >>>>>>> force recompute. >>>>>>> 2020-09-11T10:54:07.685Z|00007|stream_ssl|WARN|SSL_connect: >>>>>>> unexpected SSL connection close >>>>>>> 2020-09-11T10:54:07.685Z|00008|reconnect|INFO|ssl:OVIRT_ENGINE_IP:6642: >>>>>>> connection attempt failed (Protocol error) >>>>>>> 2020-09-11T10:54:08.685Z|00009|reconnect|INFO|ssl:OVIRT_ENGINE_IP:6642: >>>>>>> connecting... >>>>>>> 2020-09-11T10:54:08.800Z|00010|stream_ssl|WARN|SSL_connect: >>>>>>> unexpected SSL connection close >>>>>>> 2020-09-11T10:54:08.800Z|00011|reconnect|INFO|ssl:OVIRT_ENGINE_IP:6642: >>>>>>> connection attempt failed (Protocol error) >>>>>>> 2020-09-11T10:54:08.800Z|00012|reconnect|INFO|ssl:OVIRT_ENGINE_IP:6642: >>>>>>> waiting 2 seconds before reconnect >>>>>>> 2020-09-11T10:54:10.802Z|00013|reconnect|INFO|ssl:OVIRT_ENGINE_IP:6642: >>>>>>> connecting... >>>>>>> 2020-09-11T10:54:10.917Z|00014|stream_ssl|WARN|SSL_connect: >>>>>>> unexpected SSL connection close >>>>>>> 2020-09-11T10:54:10.917Z|00015|reconnect|INFO|ssl:OVIRT_ENGINE_IP:6642: >>>>>>> connection attempt failed (Protocol error) >>>>>>> 2020-09-11T10:54:10.917Z|00016|reconnect|INFO|ssl:OVIRT_ENGINE_IP:6642: >>>>>>> waiting 4 seconds before reconnect >>>>>>> 2020-09-11T10:54:14.921Z|00017|reconnect|INFO|ssl:OVIRT_ENGINE_IP:6642: >>>>>>> connecting... >>>>>>> 2020-09-11T10:54:15.036Z|00018|stream_ssl|WARN|SSL_connect: >>>>>>> unexpected SSL connection close >>>>>>> 2020-09-11T10:54:15.036Z|00019|reconnect|INFO|ssl:OVIRT_ENGINE_IP:6642: >>>>>>> connection attempt failed (Protocol error) >>>>>>> 2020-09-11T10:54:15.036Z|00020|reconnect|INFO|ssl:OVIRT_ENGINE_IP:6642: >>>>>>> continuing to reconnect in the background but suppressing further logging >>>>>>> >>>>>>> >>>>>>> I have also done the vdsm-tool ovn-config OVIRT_ENGINE_IP >>>>>>> OVIRTMGMT_NETWORK_DC >>>>>>> This is how the OVIRT_ENGINE_IP is provided in the ovn controller, >>>>>>> i can redo it if you wan. >>>>>>> >>>>>>> After the restart of the ovn-controller the OVIRT ENGINE still >>>>>>> shows only two geneve connections one with DC01-host02 and DC02-host01. >>>>>>> Chassis "c4b23834-aec7-4bf8-8be7-aa94a50a6144" >>>>>>> hostname: "dc02-host01" >>>>>>> Encap geneve >>>>>>> ip: "DC02-host01_IP" >>>>>>> options: {csum="true"} >>>>>>> Chassis "be3abcc9-7358-4040-a37b-8d8a782f239c" >>>>>>> hostname: "DC01-host02" >>>>>>> Encap geneve >>>>>>> ip: "DC01-host02" >>>>>>> options: {csum="true"} >>>>>>> >>>>>>> I've re-done the vdsm-tool command and nothing changed.... >>>>>>> again....with the same errors as the systemctl restart ovn-controller >>>>>>> >>>>>>> On Fri, Sep 11, 2020 at 1:49 PM Dominik Holler <dholler(a)redhat.com&gt; >>>>>>> wrote: >>>>>>> >>>>>>>> Please include ovirt-users list in your reply, to share >>>>>>>> the knowledge and experience with the community! >>>>>>>> >>>>>>>> On Fri, Sep 11, 2020 at 12:12 PM Konstantinos Betsis < >>>>>>>> k.betsis(a)gmail.com&gt; wrote: >>>>>>>> >>>>>>>>> Ok below the output per node and DC >>>>>>>>> DC01 >>>>>>>>> node01 >>>>>>>>> >>>>>>>>> [root@dc01-node01 ~]# ovs-vsctl --no-wait get open . >>>>>>>>> external-ids:ovn-remote >>>>>>>>> "ssl:*OVIRT_ENGINE_IP*:6642" >>>>>>>>> [root@ dc01-node01 ~]# ovs-vsctl --no-wait get open . >>>>>>>>> external-ids:ovn-encap-type >>>>>>>>> geneve >>>>>>>>> [root@ dc01-node01 ~]# ovs-vsctl --no-wait get open . >>>>>>>>> external-ids:ovn-encap-ip >>>>>>>>> >>>>>>>>> "*OVIRTMGMT_IP_DC01-NODE01*" >>>>>>>>> >>>>>>>>> node02 >>>>>>>>> >>>>>>>>> [root@dc01-node02 ~]# ovs-vsctl --no-wait get open . >>>>>>>>> external-ids:ovn-remote >>>>>>>>> "ssl:*OVIRT_ENGINE_IP*:6642" >>>>>>>>> [root@ dc01-node02 ~]# ovs-vsctl --no-wait get open . >>>>>>>>> external-ids:ovn-encap-type >>>>>>>>> geneve >>>>>>>>> [root@ dc01-node02 ~]# ovs-vsctl --no-wait get open . >>>>>>>>> external-ids:ovn-encap-ip >>>>>>>>> >>>>>>>>> "*OVIRTMGMT_IP_DC01-NODE02*" >>>>>>>>> >>>>>>>>> DC02 >>>>>>>>> node01 >>>>>>>>> >>>>>>>>> [root@dc02-node01 ~]# ovs-vsctl --no-wait get open . >>>>>>>>> external-ids:ovn-remote >>>>>>>>> "ssl:*OVIRT_ENGINE_IP*:6642" >>>>>>>>> [root@ dc02-node01 ~]# ovs-vsctl --no-wait get open . >>>>>>>>> external-ids:ovn-encap-type >>>>>>>>> geneve >>>>>>>>> [root@ dc02-node01 ~]# ovs-vsctl --no-wait get open . >>>>>>>>> external-ids:ovn-encap-ip >>>>>>>>> >>>>>>>>> "*OVIRTMGMT_IP_DC02-NODE01*" >>>>>>>>> >>>>>>>>> >>>>>>>> Looks good. >>>>>>>> >>>>>>>> >>>>>>>>> DC01 node01 and node02 share the same VM networks and VMs >>>>>>>>> deployed on top of them cannot talk to VM on the other hypervisor. >>>>>>>>> >>>>>>>> >>>>>>>> Maybe there is a hint on ovn-controller.log on dc01-node02 ? Maybe >>>>>>>> restarting ovn-controller creates more helpful log messages? >>>>>>>> >>>>>>>> You can also try restart the ovn configuration on all hosts by >>>>>>>> executing >>>>>>>> vdsm-tool ovn-config OVIRT_ENGINE_IP LOCAL_OVIRTMGMT_IP >>>>>>>> on each host, this would trigger >>>>>>>> >>>>>>>> https://github.com/oVirt/ovirt-provider-ovn/blob/master/driver/scripts/se... >>>>>>>> internally. >>>>>>>> >>>>>>>> >>>>>>>>> So I would expect to see the same output for node01 to have a >>>>>>>>> geneve tunnel to node02 and vice versa. >>>>>>>>> >>>>>>>>> >>>>>>>> Me too. >>>>>>>> >>>>>>>> >>>>>>>>> On Fri, Sep 11, 2020 at 12:14 PM Dominik Holler < >>>>>>>>> dholler(a)redhat.com&gt; wrote: >>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> On Fri, Sep 11, 2020 at 10:53 AM Konstantinos Betsis < >>>>>>>>>> k.betsis(a)gmail.com&gt; wrote: >>>>>>>>>> >>>>>>>>>>> Hi Dominik >>>>>>>>>>> >>>>>>>>>>> OVN is selected as the default network provider on the clusters >>>>>>>>>>> and the hosts. >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>> sounds good. >>>>>>>>>> This configuration is required already during the host is added >>>>>>>>>> to oVirt Engine, because OVN is configured during this step. >>>>>>>>>> >>>>>>>>>> >>>>>>>>>>> The "ovn-sbctl show" works on the ovirt engine and shows only >>>>>>>>>>> two hosts, 1 per DC. >>>>>>>>>>> >>>>>>>>>>> Chassis "c4b23834-aec7-4bf8-8be7-aa94a50a6144" >>>>>>>>>>> hostname: "dc01-node02" >>>>>>>>>>> Encap geneve >>>>>>>>>>> ip: "X.X.X.X" >>>>>>>>>>> options: {csum="true"} >>>>>>>>>>> Chassis "be3abcc9-7358-4040-a37b-8d8a782f239c" >>>>>>>>>>> hostname: "dc02-node1" >>>>>>>>>>> Encap geneve >>>>>>>>>>> ip: "A.A.A.A" >>>>>>>>>>> options: {csum="true"} >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> The new node is not listed (dc01-node1). >>>>>>>>>>> >>>>>>>>>>> When executed on the nodes the same command (ovn-sbctl show) >>>>>>>>>>> times-out on all nodes..... >>>>>>>>>>> >>>>>>>>>>> The output of the /var/log/openvswitch/ovn-conntroller.log >>>>>>>>>>> lists on all logs >>>>>>>>>>> >>>>>>>>>>> 2020-09-11T08:46:55.197Z|07361|stream_ssl|WARN|SSL_connect: >>>>>>>>>>> unexpected SSL connection close >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>> Can you please compare the output of >>>>>>>>>> >>>>>>>>>> ovs-vsctl --no-wait get open . external-ids:ovn-remote >>>>>>>>>> ovs-vsctl --no-wait get open . external-ids:ovn-encap-type >>>>>>>>>> ovs-vsctl --no-wait get open . external-ids:ovn-encap-ip >>>>>>>>>> >>>>>>>>>> of the working hosts, e.g. dc01-node02, and the failing host >>>>>>>>>> dc01-node1? >>>>>>>>>> This should point us the relevant difference in the >>>>>>>>>> configuration. >>>>>>>>>> >>>>>>>>>> Please include ovirt-users list in your replay, to share >>>>>>>>>> the knowledge and experience with the community. >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>>> Thank you >>>>>>>>>>> Best regards >>>>>>>>>>> Konstantinos Betsis >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> On Fri, Sep 11, 2020 at 11:01 AM Dominik Holler < >>>>>>>>>>> dholler(a)redhat.com&gt; wrote: >>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> On Thu, Sep 10, 2020 at 6:26 PM Konstantinos B < >>>>>>>>>>>> k.betsis(a)gmail.com&gt; wrote: >>>>>>>>>>>> >>>>>>>>>>>>> Hi all >>>>>>>>>>>>> >>>>>>>>>>>>> We have a small installation based on OVIRT 4.3. >>>>>>>>>>>>> 1 Cluster is based on Centos 7 and the other on OVIRT NG Node >>>>>>>>>>>>> image. >>>>>>>>>>>>> >>>>>>>>>>>>> The environment was stable till an upgrade took place a >>>>>>>>>>>>> couple of months ago. >>>>>>>>>>>>> As such we had to re-install one of the Centos 7 node and >>>>>>>>>>>>> start from scratch. >>>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> To trigger the automatic configuration of the host, it is >>>>>>>>>>>> required to configure ovirt-provider-ovn as the default network provider >>>>>>>>>>>> for the cluster before adding the host to oVirt. >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>>> Even though the installation completed successfully and VMs >>>>>>>>>>>>> are created, the following are not working as expected: >>>>>>>>>>>>> 1. ovn geneve tunnels are not established with the other >>>>>>>>>>>>> Centos 7 node in the cluster. >>>>>>>>>>>>> 2. Centos 7 node is configured by ovirt engine however no >>>>>>>>>>>>> geneve tunnel is established when "ovn-sbctl show" is issued on the engine. >>>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> Does "ovn-sbctl show" list the hosts? >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>>> 3. no flows are shown on the engine on port 6642 for the ovs >>>>>>>>>>>>> db. >>>>>>>>>>>>> >>>>>>>>>>>>> Does anyone have any experience on how to troubleshoot OVN on >>>>>>>>>>>>> ovirt? >>>>>>>>>>>>> >>>>>>>>>>>>> >>>>>>>>>>>> /var/log/openvswitch/ovncontroller.log on the host should >>>>>>>>>>>> contain a helpful hint. >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>>> Thank you >>>>>>>>>>>>> _______________________________________________ >>>>>>>>>>>>> Users mailing list -- users(a)ovirt.org >>>>>>>>>>>>> To unsubscribe send an email to users-leave(a)ovirt.org >>>>>>>>>>>>> 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/users@ovirt.org/message/LBVGLQJBWJF... >>>>>>>>>>>>> >>>>>>>>>>>>