add playbook with workaround for 'tc mirred to Houston'

Author: bbezak

etc/kayobe/ansible/fix-houston.yml

@@ -0,0 +1,28 @@
+---
+- name: Create Systemd Unit to workaround 'tc mirred to Houston' error
+  hosts: network,compute
+  become: yes
+
+  tasks:
+    - name: Include kolla-ansible host vars
+      include_vars: "{{ kolla_config_path }}/inventory/overcloud/host_vars/{{ inventory_hostname }}"
+
+    - name: Create systemd service for -ovs network interface
+      template:
+        src: fix-houston-interface.service.j2
+        dest: "/etc/systemd/system/fix-houston-{{ item }}.service"
+      loop: "{{ neutron_bridge_name.split(',') }}"
+      vars:
+        interface_name: "{{ item }}"
+      notify: reload systemd
+
+    - name: Enable and start systemd service for -ovs network interface
+      systemd:
+        name: "fix-houston-{{ item }}"
+        enabled: yes
+        state: started
+      loop: "{{ neutron_bridge_name.split(',') }}"
+
+  handlers:
+    - name: reload systemd
+      command: systemctl daemon-reload

etc/kayobe/ansible/templates/fix-houston-interface.service.j2

@@ -0,0 +1,17 @@
+[Unit]
+# This service addresses a specific issue where dmesg logs errors like:
+# "tc mirred to Houston: device bond0-ovs is down".
+# Related kernel patch and bug reports:
+# https://patchwork.kernel.org/project/netdevbpf/patch/c2ef23da1d9a4eb62f4e7b7c4540f9bafb553c15.1658420239.git.dcaratti@redhat.com/#24948930
+# https://bugs.launchpad.net/charm-neutron-openvswitch/+bug/1899364
+Description=Bring up {{ interface_name }} interface
+After=kolla-openvswitch_vswitchd-container.service
+
+[Service]
+Type=oneshot
+ExecStartPre=/usr/bin/timeout 60s /bin/bash -c 'until ip link show {{ interface_name }}; do sleep 1; done'
+ExecStart=/sbin/ip link set {{ interface_name }} up
+RemainAfterExit=yes
+
+[Install]
+WantedBy=multi-user.target

releasenotes/notes/fix-houston-tc-mirred-bfb16c89f63b472a.yaml

@@ -0,0 +1,8 @@
+---
+fixes:
+  - |
+    Adds a workaround for dmesg errors like:
+    "tc mirred to Houston: device bond0-ovs is down".
+    Related kernel patch and bug reports:
+    https://patchwork.kernel.org/project/netdevbpf/patch/c2ef23da1d9a4eb62f4e7b7c4540f9bafb553c15.1658420239.git.dcaratti@redhat.com/#24948930
+    https://bugs.launchpad.net/charm-neutron-openvswitch/+bug/1899364