Having issues installing devstack stable/xena on clean ubuntu20.04 cloud image (a VM instanced by virt-install with 2 interfaces : ens3 (192.168.122.36 on HostPC virbr0) for public interface and ens4 (192.168.100.100 host virbr1) for management)
devstack installation proceeds almost to end but exits on an arping check on br-ex: tail of stack.sh.log:
2022-02-02 21:52:21.085 | +lib/neutron-legacy:_move_neutron_addresses_route:671 IP_BRD='192.168.122.36/24 brd 192.168.122.255' 2022-02-02 21:52:21.093 | +lib/neutron-legacy:_move_neutron_addresses_route:673 '[' 192.168.122.1 '!=' '' ']' 2022-02-02 21:52:21.101 | +lib/neutron-legacy:_move_neutron_addresses_route:674 ADD_DEFAULT_ROUTE='sudo ip -f inet r replace default via 192.168.122.1 dev br-ex' 2022-02-02 21:52:21.109 | +lib/neutron-legacy:_move_neutron_addresses_route:677 [[ True == \T\r\u\e ]] 2022-02-02 21:52:21.118 | +lib/neutron-legacy:_move_neutron_addresses_route:678 ADD_OVS_PORT='sudo ovs-vsctl --may-exist add-port br-ex ens3' 2022-02-02 21:52:21.127 | +lib/neutron-legacy:_move_neutron_addresses_route:681 [[ False == \T\r\u\e ]] 2022-02-02 21:52:21.135 | +lib/neutron-legacy:_move_neutron_addresses_route:685 [[ 192.168.122.36/24 brd 192.168.122.255 != '' ]] 2022-02-02 21:52:21.143 | +lib/neutron-legacy:_move_neutron_addresses_route:686 IP_DEL='sudo ip addr del 192.168.122.36/24 brd 192.168.122.255 dev ens3' 2022-02-02 21:52:21.153 | +lib/neutron-legacy:_move_neutron_addresses_route:687 IP_REPLACE='sudo ip addr replace 192.168.122.36/24 brd 192.168.122.255 dev br-ex' 2022-02-02 21:52:21.164 | +lib/neutron-legacy:_move_neutron_addresses_route:688 IP_UP='sudo ip link set br-ex up' 2022-02-02 21:52:21.172 | +lib/neutron-legacy:_move_neutron_addresses_route:689 [[ inet == \i\n\e\t ]] 2022-02-02 21:52:21.183 | ++lib/neutron-legacy:_move_neutron_addresses_route:690 awk '{ print $1; exit }' 2022-02-02 21:52:21.183 | ++lib/neutron-legacy:_move_neutron_addresses_route:690 echo 192.168.122.36/24 brd 192.168.122.255 2022-02-02 21:52:21.185 | ++lib/neutron-legacy:_move_neutron_addresses_route:690 grep -o -E '(.*)/' 2022-02-02 21:52:21.192 | ++lib/neutron-legacy:_move_neutron_addresses_route:690 cut -d / -f1 2022-02-02 21:52:21.202 | +lib/neutron-legacy:_move_neutron_addresses_route:690 IP=192.168.122.36 2022-02-02 21:52:21.210 | +lib/neutron-legacy:_move_neutron_addresses_route:691 ARP_CMD='sudo arping -A -c 3 -w 5 -I br-ex 192.168.122.36 ' 2022-02-02 21:52:21.217 | +lib/neutron-legacy:_move_neutron_addresses_route:697 sudo ip addr del 192.168.122.36/24 brd 192.168.122.255 dev ens3 2022-02-02 21:52:21.236 | +lib/neutron-legacy:_move_neutron_addresses_route:697 sudo ip addr replace 192.168.122.36/24 brd 192.168.122.255 dev br-ex 2022-02-02 21:52:21.252 | +lib/neutron-legacy:_move_neutron_addresses_route:697 sudo ip link set br-ex up 2022-02-02 21:52:21.272 | +lib/neutron-legacy:_move_neutron_addresses_route:697 sudo ovs-vsctl --may-exist add-port br-ex ens3 2022-02-02 21:52:21.293 | +lib/neutron-legacy:_move_neutron_addresses_route:697 sudo ip -f inet r replace default via 192.168.122.1 dev br-ex 2022-02-02 21:52:21.309 | +lib/neutron-legacy:_move_neutron_addresses_route:697 sudo arping -A -c 3 -w 5 -I br-ex 192.168.122.36 2022-02-02 21:52:24.316 | ARPING 192.168.122.36 from 192.168.122.36 br-ex 2022-02-02 21:52:24.316 | Sent 3 probes (3 broadcast(s)) 2022-02-02 21:52:24.316 | Received 0 response(s) 2022-02-02 21:52:24.341 | +lib/neutron-legacy:_move_neutron_addresses_route:1 exit_trap 2022-02-02 21:52:24.349 | +./stack.sh:exit_trap:521 local r=1 2022-02-02 21:52:24.359 | ++./stack.sh:exit_trap:522 jobs -p 2022-02-02 21:52:24.367 | +./stack.sh:exit_trap:522 jobs= 2022-02-02 21:52:24.376 | +./stack.sh:exit_trap:525 [[ -n '' ]] 2022-02-02 21:52:24.384 | +./stack.sh:exit_trap:531 '[' -f /tmp/tmp.WDApXUJF5c ']' 2022-02-02 21:52:24.394 | +./stack.sh:exit_trap:532 rm /tmp/tmp.WDApXUJF5c 2022-02-02 21:52:24.407 | +./stack.sh:exit_trap:536 kill_spinner 2022-02-02 21:52:24.422 | +./stack.sh:kill_spinner:431 '[' '!' -z '' ']' 2022-02-02 21:52:24.430 | +./stack.sh:exit_trap:538 [[ 1 -ne 0 ]] 2022-02-02 21:52:24.441 | +./stack.sh:exit_trap:539 echo 'Error on exit' 2022-02-02 21:52:24.441 | Error on exit 2022-02-02 21:52:24.447 | +./stack.sh:exit_trap:541 type -p generate-subunit 2022-02-02 21:52:24.455 | +./stack.sh:exit_trap:542 generate-subunit 1643837814 930 fail 2022-02-02 21:52:24.807 | +./stack.sh:exit_trap:544 [[ -z /opt/stack/logs ]] 2022-02-02 21:52:24.814 | +./stack.sh:exit_trap:547 /usr/bin/python3.8 /home/stack/devstack/tools/worlddump.py -d /opt/stack/logs 2022-02-02 21:52:25.437 | +./stack.sh:exit_trap:556 exit 1
networking parts of local.conf:
HOST_IP=192.168.122.36 SERVICE_HOST=192.168.122.36 #HOST_IPV6=2001:db8::7 ## Neutron options Q_USE_SECGROUP=True #FLOATING_RANGE="192.168.122.0/24" #Q_FLOATING_ALLOCATION_POOL=start=192.168.122.240,end=192.168.122.254 FLOATING_RANGE=192.168.122.224/27 IPV4_ADDRS_SAFE_TO_USE="10.0.0.0/22" PUBLIC_NETWORK_GATEWAY="192.168.122.1" PUBLIC_INTERFACE=ens3 # try LinuxBridge as ovs gives arping error for br-ex on $HOST_IP #Q_USE_PROVIDERNET_FOR_PUBLIC=True #Q_AGENT=linuxbridge #LB_PHYSICAL_INTERFACE=ens3 #PUBLIC_PHYSICAL_NETWORK=default #LB_INTERFACE_MAPPINGS=default:ens3 # Open vSwitch provider networking configuration Q_USE_PROVIDERNET_FOR_PUBLIC=True OVS_PHYSICAL_BRIDGE=br-ex PUBLIC_BRIDGE=br-ex OVS_BRIDGE_MAPPINGS=public:br-ex
(tried linuxbridge as a workaround to OVS but still wants to define br-ex and get worse errors (neutron won't start)
my network conf at the end seems ok
stack@devstackxena:~/devstack$ ip link 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 2: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master ovs-system state UP mode DEFAULT group default qlen 1000 link/ether 52:54:00:ed:c1:f2 brd ff:ff:ff:ff:ff:ff 3: ens4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP mode DEFAULT group default qlen 1000 link/ether 52:54:00:28:b9:e7 brd ff:ff:ff:ff:ff:ff 27: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000 link/ether 4a:4d:4c:08:59:d1 brd ff:ff:ff:ff:ff:ff 28: br-int: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000 link/ether 7a:0c:6d:1c:17:49 brd ff:ff:ff:ff:ff:ff 29: br-ex: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000 link/ether c6:1e:0f:72:91:4c brd ff:ff:ff:ff:ff:ff
stack@devstackxena:~/devstack$ ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master ovs-system state UP group default qlen 1000 link/ether 52:54:00:ed:c1:f2 brd ff:ff:ff:ff:ff:ff inet6 fe80::5054:ff:feed:c1f2/64 scope link valid_lft forever preferred_lft forever 3: ens4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether 52:54:00:28:b9:e7 brd ff:ff:ff:ff:ff:ff inet 192.168.100.100/24 scope global ens4 valid_lft forever preferred_lft forever inet6 2001:db8:ca2:3:5054:ff:fe28:b9e7/64 scope global dynamic mngtmpaddr valid_lft 3269sec preferred_lft 3269sec inet6 fe80::5054:ff:fe28:b9e7/64 scope link valid_lft forever preferred_lft forever 27: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 4a:4d:4c:08:59:d1 brd ff:ff:ff:ff:ff:ff 28: br-int: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 7a:0c:6d:1c:17:49 brd ff:ff:ff:ff:ff:ff 29: br-ex: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000 link/ether c6:1e:0f:72:91:4c brd ff:ff:ff:ff:ff:ff inet 192.168.122.36/24 brd 192.168.122.255 scope global br-ex valid_lft forever preferred_lft forever inet6 fe80::c41e:fff:fe72:914c/64 scope link valid_lft forever preferred_lft forever
ovs config:
stack@devstackxena:~/devstack$ sudo ovs-vsctl show 2448b59c-19b3-4043-ab1f-c3bbc0e66102 Manager "ptcp:6640:127.0.0.1" is_connected: true Bridge br-int fail_mode: secure Port br-int Interface br-int type: internal Bridge br-ex Port ens3 Interface ens3 Port br-ex Interface br-ex type: internal ovs_version: "2.13.3"
stack@devstackxena:~/devstack$ ip route default via 192.168.122.1 dev br-ex 192.168.100.0/24 dev ens4 proto kernel scope link src 192.168.100.100 192.168.122.0/24 dev br-ex proto kernel scope link src 192.168.122.36
tcpdump arp on br-ex:
stack@devstackxena:~$ sudo tcpdump -i br-ex -n icmp or arp tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on br-ex, link-type EN10MB (Ethernet), capture size 262144 bytes 12:09:52.568287 ARP, Request who-has 192.168.122.37 tell 192.168.122.1, length 28 12:09:53.592292 ARP, Request who-has 192.168.122.37 tell 192.168.122.1, length 28 12:10:18.892563 ARP, Request who-has 192.168.122.36 (ff:ff:ff:ff:ff:ff) tell 192.168.122.36, length 28 12:10:19.892728 ARP, Request who-has 192.168.122.36 (ff:ff:ff:ff:ff:ff) tell 192.168.122.36, length 28 12:10:20.892764 ARP, Request who-has 192.168.122.36 (ff:ff:ff:ff:ff:ff) tell 192.168.122.36, length 28 12:10:48.145743 IP 192.168.122.1 > 192.168.122.36: ICMP echo request, id 33715, seq 0, length 28 12:10:48.145850 IP 192.168.122.36 > 192.168.122.1: ICMP echo reply, id 33715, seq 0, length 28
arping received 192.168.122.36 but no reply received (that's my interpretation of the devstack Exit).
not sure where additional 192.168.122.37 comes from, this IP doesn't exist in VM.(no other VMs on Host) I assume can arping own IP? (that's what devstack script is attempting)
thanks for any pointers, ideas