Error in 'ip route add 0.0.0.0/0 via 2001:db8:fd00:1000::1 dev br-ex'

[Harald Jensås]

https://logs.rdoproject.org/94/647494/3/openstack-check/tripleo-ci-centos-7-ovb-3ctlr_1comp-featureset035/9d4ada8/logs/undercloud/home/zuul/overcloud_deploy.log.txt.gz

'{"network_config": [{"addresses": [{"ip_netmask": "192.168.24.29/24"}], "mtu": 1350, "name": "nic1", "routes": [{"default": true, "ip_netmask": "0.0.0.0/0", "next_hop": "192.168.24.1"}, {"ip_netmask": "169.254.169.254/32", "next_hop": "192.168.24.1"}], "type": "interface", "use_dhcp": false}, {"addresses": [{"ip_netmask": "fd00:fd00:fd00:2000::3c1/64"}], "mtu": 1350, "name": "nic3", "type": "interface", "use_dhcp": false}, {"addresses": [{"ip_netmask": "fd00:fd00:fd00:3000::1ad/64"}], "mtu": 1350, "name": "nic4", "type": "interface", "use_dhcp": false}, {"addresses": [{"ip_netmask": "172.16.0.32/24"}], "dns_servers": ["1.1.1.1", "1.0.0.1", "38.145.33.91"], "members": [{"mtu": 1350, "name": "nic6", "primary": true, "type": "interface"}], "name": "br-tenant", "type": "ovs_bridge", "use_dhcp": false}, {"dns_servers": ["1.1.1.1", "1.0.0.1", "38.145.33.91"], "members": [{"mtu": 1350, "name": "nic2", "primary": true, "type": "interface"}], "name": "br-ex", "routes": [{"ip_netmask": "0.0.0.0/0", "next_hop": "2001:db8:fd00:1000::1"}], "type": "ovs_bridge", "use_dhcp": false}]}'

 /usr/share/openstack-tripleo-heat-templates/ci/environments/network/multiple-nics-ipv6/network-environment.yaml

 ## * Deploy the overcloud!
## ::
openstack overcloud deploy --override-ansible-cfg /home/zuul/custom_ansible.cfg \
    --templates /usr/share/openstack-tripleo-heat-templates \
    --libvirt-type qemu --timeout 90 --ntp-server 0.pool.ntp.org,1.pool.ntp.org,2.pool.ntp.org,3.pool.ntp.org -e /home/zuul/cloud-names.yaml -e /usr/share/openstack-tripleo-heat-templates/environments/docker-ha.yaml -e /home/zuul/containers-prepare-parameter.yaml -e /usr/share/openstack-tripleo-heat-templates/environments/docker.yaml -e /usr/share/openstack-tripleo-heat-templates/environments/network-isolation-v6.yaml -e /usr/share/openstack-tripleo-heat-templates/ci/environments/network/multiple-nics-ipv6/network-environment.yaml -e /home/zuul/network-environment.yaml -e /home/zuul/overcloud_network_params.yaml -e /usr/share/openstack-tripleo-heat-templates/environments/low-memory-usage.yaml -e /home/zuul/src/git.openstack.org/openstack/tripleo-ci/test-environments/worker-config.yaml -e /usr/share/openstack-tripleo-heat-templates/environments/debug.yaml -e /home/zuul/enable-tls.yaml -e /usr/share/openstack-tripleo-heat-templates/environments/ssl/tls-endpoints-public-ip.yaml -e /home/zuul/inject-trust-anchor.yaml --validation-errors-nonfatal --compute-scale 1 --control-scale 3 -e /home/zuul/overcloud-selinux-config.yaml -e /usr/share/openstack-tripleo-heat-templates/ci/environments/ovb-ha.yaml \
    "$@" && status_code=0 || status_code=$?

Environments:
-e /usr/share/openstack-tripleo-heat-templates/ci/environments/network/multiple-nics-ipv6/network-environment.yaml
-e /usr/share/openstack-tripleo-heat-templates/environments/network-isolation-v6.yaml
-e /usr/share/openstack-tripleo-heat-templates/ci/environments/network/multiple-nics-ipv6/network-environment.yaml

https://github.com/openstack/tripleo-heat-templates/blob/master/ci/environments/network/multiple-nics-ipv6/nic-configs/controller.yaml#L197

  ^^ statically configured 0.0.0.0/0, it should use an ipv6 equivalent.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/649524

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/649524
Committed: https://git.openstack.org/cgit/openstack/tripleo-heat-templates/commit/?id=066fd3a36ca8fa75ef447d75f9beced2dec2ea67
Submitter: Zuul
Branch: master

commit 066fd3a36ca8fa75ef447d75f9beced2dec2ea67
Author: Harald Jensås <email address hidden>
Date: Wed Apr 3 09:35:49 2019 +0200

    Fix CI ipv6 NIC config default route

    The default route for ipv6 external network should not
    use ipv4 '0.0.0.0/0' as next_hop. Update to use '::/0'
    which is the ipv6 equivalent.

    Closes-Bug: #1822951
    Change-Id: I1628b4045b55f77cee46952c555c15f2c0a041ee

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/tripleo-heat-templates 10.5.0 release.