Keepalived for Linux - Version 2.2.8 - Release Notes - May 31, 2023
- disable-dynamic-linking
- prefix=/usr
- exec-prefix=/usr
- bindir=/usr/bin
- sbindir=/usr/sbin
- sysconfdir=/etc
- datadir=/usr/share
- localstatedir=/var
- mandir=/usr/share/man
- with-dbus-data-dir=/usr/share
- enable-bfd
- enable-dbus
- enable-regex
- enable-snmp
- enable-snmp-rfc
- enable-nftables
- disable-iptables
- enable-json
- iface=eth0
- ipaddress=172.16.5.4
- vip=192.168.100.254 192.168.10.254
docker run -d --restart=always \
--cap-add=NET_ADMIN --cap-add=NET_BROADCAST --cap-add=NET_RAW --net=host \
-e KEEPALIVED_UNICAST_SRC_IP="172.16.5.4" \
-e KEEPALIVED_UNICAST_PEER="172.16.5.5, 172.16.5.6" \
-e KEEPALIVED_VIRTUAL_IPADDRESS="192.168.100.254, 192.168.10.254" \
-e KEEPALIVED_PRIORITY="200" \
-e KEEPALIVED_INTERFACE="eth0" \
rootshellcoder/swarm-keepalived:latestdocker master log (codespace)
@RootShell-coder ➜ /workspaces/swarm-keepalived/docker (dev) $ docker logs -f 955
Sat Sep 16 19:04:02 2023: Starting Keepalived v2.2.8 (04/04,2023), git commit v2.2.7-154-g292b299e+
Sat Sep 16 19:04:02 2023: WARNING - keepalived was built for newer Linux 6.3.0, running on Linux 5.15.0-1041-azure #48-Ubuntu SMP Tue Jun 20 20:34:08 UTC 2023
Sat Sep 16 19:04:02 2023: Command line: '/usr/sbin/keepalived' '--dont-fork' '--log-console' '--use-file'
Sat Sep 16 19:04:02 2023: '/etc/keepalived/keepalived.conf'
Sat Sep 16 19:04:02 2023: Configuration file /etc/keepalived/keepalived.conf
Sat Sep 16 19:04:02 2023: NOTICE: setting config option max_auto_priority should result in better keepalived performance
Sat Sep 16 19:04:02 2023: Starting VRRP child process, pid=26
Sat Sep 16 19:04:02 2023: Startup complete
Sat Sep 16 19:04:02 2023: (VI_1) Entering BACKUP STATE (init)
Sat Sep 16 19:04:05 2023: (VI_1) Entering MASTER STATE
@RootShell-coder ➜ /workspaces/swarm-keepalived/docker (dev) $ ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 172.16.5.4 netmask 255.255.255.0 broadcast 172.16.5.255
inet6 fe80::20d:3aff:fe2c:8d4c prefixlen 64 scopeid 0x20<link>
ether 00:0d:3a:2c:8d:4c txqueuelen 1000 (Ethernet)
RX packets 2183040 bytes 3005950736 (3.0 GB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 198564 bytes 1551652595 (1.5 GB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
eth0:0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.100.254 netmask 255.255.255.255 broadcast 0.0.0.0
ether 00:0d:3a:2c:8d:4c txqueuelen 1000 (Ethernet)
eth0:1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.10.254 netmask 255.255.255.255 broadcast 0.0.0.0
ether 00:0d:3a:2c:8d:4c txqueuelen 1000 (Ethernet)
- iface=eth0
- ipaddress=172.16.5.5
- vip=192.168.100.254 192.168.10.254
docker run -d --restart=always \
--cap-add=NET_ADMIN --cap-add=NET_BROADCAST --cap-add=NET_RAW --net=host \
-e KEEPALIVED_UNICAST_SRC_IP="172.16.5.5" \
-e KEEPALIVED_UNICAST_PEER="172.16.5.4, 172.16.5.6" \
-e KEEPALIVED_VIRTUAL_IPADDRESS="192.168.100.254, 192.168.10.254" \
-e KEEPALIVED_PRIORITY="100" \
-e KEEPALIVED_INTERFACE="eth0" \
rootshellcoder/swarm-keepalived:latest- iface=enp3s0
- ipaddress=172.16.5.6
- vip=192.168.100.254
docker run -d --restart=always \
--cap-add=NET_ADMIN --cap-add=NET_BROADCAST --cap-add=NET_RAW --net=host \
-e KEEPALIVED_UNICAST_SRC_IP="172.16.5.6" \
-e KEEPALIVED_UNICAST_PEER="172.16.5.4, 172.16.5.5" \
-e KEEPALIVED_VIRTUAL_IPADDRESS="192.168.100.254" \
-e KEEPALIVED_PRIORITY="50" \
-e KEEPALIVED_INTERFACE="enp3s0" \
rootshellcoder/swarm-keepalived:latest| variable | default | required |
|---|---|---|
| KEEPALIVED_INTERFACE | eth0 |
X |
| KEEPALIVED_VIRTUAL_ROUTER_ID | 51 |
X |
| KEEPALIVED_PRIORITY | 100 |
X |
| KEEPALIVED_AUTH_PASS | ETlE2RQr |
X |
| KEEPALIVED_UNICAST_SRC_IP | X | Y |
| KEEPALIVED_UNICAST_PEER | X | Y |
| KEEPALIVED_VIRTUAL_IPADDRESS | X | Y |
docker swarm see keepalived-service.yml
wget https://raw.githubusercontent.com/RootShell-coder/swarm-keepalived/master/keepalived-service.yml- edit variables keepalived-service.yml
<label>add labels to cluster manager nodes:keepalived_master=tue,keepalived_backup0=true,keepalived_backup1=true<node>see cluster nodesdocker node lsdocker node update --label-add <label> <node>docker stack deploy -c keepalived-service.yml keepalived