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Bug 1901571 - Failure at nmstatectl show with ovs bridge port with vxlan at OCP 4.7 [rhel-8.3.0.z]
Summary: Failure at nmstatectl show with ovs bridge port with vxlan at OCP 4.7 [rhel-8...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: nmstate
Version: 8.3
Hardware: x86_64
OS: Linux
unspecified
high
Target Milestone: rc
: 8.0
Assignee: Gris Ge
QA Contact: Mingyu Shi
URL:
Whiteboard:
Depends On: 1900657
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-11-25 15:01 UTC by RHEL Program Management Team
Modified: 2020-12-22 07:05 UTC (History)
7 users (show)

Fixed In Version: nmstate-0.3.4-15.el8_3
Doc Type: If docs needed, set a value
Doc Text:
Clone Of: 1900657
Environment:
Last Closed: 2020-12-15 17:03:53 UTC
Type: ---
Target Upstream Version:
Embargoed:
pm-rhel: mirror+

Attachments (Terms of Use)
verification (28.62 KB, text/plain)
2020-11-30 08:41 UTC, Mingyu Shi 		no flags Details
View All

Comment 4 Mingyu Shi 2020-11-30 08:41:39 UTC 
Created attachment 1734754 [details]
verification

Verified with versions:
nmstate-0.3.4-15.el8_3.noarch
NetworkManager-1.26.0-9.el8_3.x86_64
DISTRO=RHEL-8.3.0-updates-20201031.0
Linux dell-r330-6.gsslab.brq.redhat.com 4.18.0-240.1.1.el8_3.x86_64 #1 SMP Fri Oct 16 13:36:46 EDT 2020 x86_64 x86_64 x86_64 GNU/Linux
python3-openvswitch2.13-2.13.0-39.el8fdp.x86_64
openvswitch-selinux-extra-policy-1.0-22.el8fdp.noarch
openvswitch2.13-2.13.0-39.el8fdp.x86_64
nmstate-plugin-ovsdb-0.3.4-15.el8_3.noarch

To reproduce, you need to have NetworkManager-ovs installed on the HOST, otherwise NM would regard ovs devices as common interfaces(type unknown for nmstate). Verify within a container, do the following on the host:

dnf install podman NetworkManager NetworkManager-ovs openvswitch2.11 ## or 2.13
systemctl start openvswitch
systemctl restart NetworkManager                                                 
ovs-vsctl add-br br0
ovs-vsctl add-port br0 vxlan1 -- set interface vxlan1 type=vxlan     options:remote_ip=192.168.1.2 options:key=flow options:dst_port=8472                                                        
podman run --network=host --privileged -it --volume /run/dbus/system_bus_socket:/run/dbus/system_bus_socket centos:8 bash -c "dnf install -b -y dnf-plugins-core && dnf copr enable -y networkmanager/NetworkManager-1.26 && dnf install -y $nmstate_fixed_version && nmstatectl show"

Or on the host, install the fixed version and nmstate, modify this function(in libnmstate/ifaces/ovs.py)

def is_ovs_running():
    try:
        subprocess.run(
            ("systemctl", "status", "openvswitch"),
...

to replace 'openvswitch' with any text of a fake process. Running 'nmstatectl show', no failure. But notice that you still cannot use nmstate to commit a change of ovs things.
Comment 10 errata-xmlrpc 2020-12-15 17:03:53 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (nmstate bug fix and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2020:5488
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