[Bug 1815101] Re: [master] Restarting systemd-networkd breaks keepalived, heartbeat, corosync, pacemaker (interface aliases are restarted)
Rafael David Tinoco
rafaeldtinoco at kernelpath.com
Wed Oct 9 21:35:25 UTC 2019
@ed,
I just finished the backport to Eoan it was straightforward, I'll finish
tests tomorrow with HA related software and networkd enabled HA
clusters. After that I'll give you a better estimation about Disco and
Bionic.
This is the total size of changes (systemd-networkd-tests.py is not so
great to backport, will review that):
$ cat *.patch | diffstat
man/systemd.network.xml | 27 +-
src/network/networkd-dhcp4.c | 8
src/network/networkd-link.c | 57 +++++-
src/network/networkd-link.h | 2
src/network/networkd-manager.c | 2
src/network/networkd-network-gperf.gperf | 3
src/network/networkd-network.c | 44 ++++
src/network/networkd-network.h | 26 ++
test/fuzz/fuzz-network-parser/directives.network | 1
test/test-network/conf/24-keep-configuration-static.network | 5
test/test-network/conf/dhcp-client-keep-configuration-dhcp-on-stop.network | 4
test/test-network/conf/dhcp-client-keep-configuration-dhcp.network | 7
test/test-network/systemd-networkd-tests.py | 94 +++++++++-
13 files changed, 235 insertions(+), 45 deletions(-)
Good thing is that the logic is not drastically changed for this feature
to exist. Sorry for the delay here, because of freeze we were running to
close out some urgent issues for Eoan.
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https://bugs.launchpad.net/bugs/1815101
Title:
[master] Restarting systemd-networkd breaks keepalived, heartbeat,
corosync, pacemaker (interface aliases are restarted)
Status in Keepalived Charm:
New
Status in netplan:
Confirmed
Status in heartbeat package in Ubuntu:
Triaged
Status in keepalived package in Ubuntu:
In Progress
Status in systemd package in Ubuntu:
In Progress
Status in heartbeat source package in Bionic:
Triaged
Status in keepalived source package in Bionic:
Confirmed
Status in systemd source package in Bionic:
Confirmed
Status in heartbeat source package in Disco:
Triaged
Status in keepalived source package in Disco:
Confirmed
Status in systemd source package in Disco:
Confirmed
Status in heartbeat source package in Eoan:
Triaged
Status in keepalived source package in Eoan:
In Progress
Status in systemd source package in Eoan:
In Progress
Bug description:
Configure netplan for interfaces, for example (a working config with
IP addresses obfuscated)
network:
ethernets:
eth0:
addresses: [192.168.0.5/24]
dhcp4: false
nameservers:
search: [blah.com, other.blah.com, hq.blah.com, cust.blah.com, phone.blah.com]
addresses: [10.22.11.1]
eth2:
addresses:
- 12.13.14.18/29
- 12.13.14.19/29
gateway4: 12.13.14.17
dhcp4: false
nameservers:
search: [blah.com, other.blah.com, hq.blah.com, cust.blah.com, phone.blah.com]
addresses: [10.22.11.1]
eth3:
addresses: [10.22.11.6/24]
dhcp4: false
nameservers:
search: [blah.com, other.blah.com, hq.blah.com, cust.blah.com, phone.blah.com]
addresses: [10.22.11.1]
eth4:
addresses: [10.22.14.6/24]
dhcp4: false
nameservers:
search: [blah.com, other.blah.com, hq.blah.com, cust.blah.com, phone.blah.com]
addresses: [10.22.11.1]
eth7:
addresses: [9.5.17.34/29]
dhcp4: false
optional: true
nameservers:
search: [blah.com, other.blah.com, hq.blah.com, cust.blah.com, phone.blah.com]
addresses: [10.22.11.1]
version: 2
Configure keepalived (again, a working config with IP addresses
obfuscated)
global_defs # Block id
{
notification_email {
sysadmins at blah.com
}
notification_email_from keepalived at system3.hq.blah.com
smtp_server 10.22.11.7 # IP
smtp_connect_timeout 30 # integer, seconds
router_id system3 # string identifying the machine,
# (doesn't have to be hostname).
vrrp_mcast_group4 224.0.0.18 # optional, default 224.0.0.18
vrrp_mcast_group6 ff02::12 # optional, default ff02::12
enable_traps # enable SNMP traps
}
vrrp_sync_group collection {
group {
wan
lan
phone
}
vrrp_instance wan {
state MASTER
interface eth2
virtual_router_id 77
priority 150
advert_int 1
smtp_alert
authentication {
auth_type PASS
auth_pass BlahBlah
}
virtual_ipaddress {
12.13.14.20
}
}
vrrp_instance lan {
state MASTER
interface eth3
virtual_router_id 78
priority 150
advert_int 1
smtp_alert
authentication {
auth_type PASS
auth_pass MoreBlah
}
virtual_ipaddress {
10.22.11.13/24
}
}
vrrp_instance phone {
state MASTER
interface eth4
virtual_router_id 79
priority 150
advert_int 1
smtp_alert
authentication {
auth_type PASS
auth_pass MostBlah
}
virtual_ipaddress {
10.22.14.3/24
}
}
At boot the affected interfaces have:
5: eth4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
link/ether ab:cd:ef:90:c0:e3 brd ff:ff:ff:ff:ff:ff
inet 10.22.14.6/24 brd 10.22.14.255 scope global eth4
valid_lft forever preferred_lft forever
inet 10.22.14.3/24 scope global secondary eth4
valid_lft forever preferred_lft forever
inet6 fe80::ae1f:6bff:fe90:c0e3/64 scope link
valid_lft forever preferred_lft forever
7: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
link/ether ab:cd:ef:b0:26:29 brd ff:ff:ff:ff:ff:ff
inet 10.22.11.6/24 brd 10.22.11.255 scope global eth3
valid_lft forever preferred_lft forever
inet 10.22.11.13/24 scope global secondary eth3
valid_lft forever preferred_lft forever
inet6 fe80::ae1f:6bff:feb0:2629/64 scope link
valid_lft forever preferred_lft forever
9: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
link/ether ab:cd:ef:b0:26:2b brd ff:ff:ff:ff:ff:ff
inet 12.13.14.18/29 brd 12.13.14.23 scope global eth2
valid_lft forever preferred_lft forever
inet 12.13.14.20/32 scope global eth2
valid_lft forever preferred_lft forever
inet 12.33.89.19/29 brd 12.13.14.23 scope global secondary eth2
valid_lft forever preferred_lft forever
inet6 fe80::ae1f:6bff:feb0:262b/64 scope link
valid_lft forever preferred_lft forever
Run 'netplan try' (didn't even make any changes to the configuration) and the keepalived addresses disappear never to return, the affected interfaces have:
5: eth4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
link/ether ab:cd:ef:90:c0:e3 brd ff:ff:ff:ff:ff:ff
inet 10.22.14.6/24 brd 10.22.14.255 scope global eth4
valid_lft forever preferred_lft forever
inet6 fe80::ae1f:6bff:fe90:c0e3/64 scope link
valid_lft forever preferred_lft forever
7: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
link/ether ab:cd:ef:b0:26:29 brd ff:ff:ff:ff:ff:ff
inet 10.22.11.6/24 brd 10.22.11.255 scope global eth3
valid_lft forever preferred_lft forever
inet6 fe80::ae1f:6bff:feb0:2629/64 scope link
valid_lft forever preferred_lft forever
9: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
link/ether ab:cd:ef:b0:26:2b brd ff:ff:ff:ff:ff:ff
inet 12.13.14.18/29 brd 12.13.14.23 scope global eth2
valid_lft forever preferred_lft forever
inet 12.33.89.19/29 brd 12.13.14.23 scope global secondary eth2
valid_lft forever preferred_lft forever
inet6 fe80::ae1f:6bff:feb0:262b/64 scope link
valid_lft forever preferred_lft forever
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