mich43l/keepalived
Alpine container for Keepalived service
Image
Networking
Monitoring & observability
0
315
mich43l/keepalived repository overview
Docker keepalived
Keepalived on docker, keep systems high availbility and readility
Prerequisites
In order for this example to work, you need to enable binding to a non-local IP address. On each node run to enable this setting:
$ echo 1 > /proc/sys/net/ipv4/ip_nonlocal_bind
To permanently save this setting, add the following line to a file like /etc/sysctl.d/99-non-local-bind.conf
net.ipv4.ip_nonlocal_bind = 1
Master Node
docker run -tid \
--net=host \
--name=keepalived \
--restart=always \
--cap-add NET_ADMIN \
-e KEEPALIVED_AUTOCONF=true \
-e KEEPALIVED_STATE=MASTER \
-e KEEPALIVED_INTERFACE=eth0 \
-e KEEPALIVED_VIRTUAL_ROUTER_ID=51 \
-e KEEPALIVED_UNICAST_SRC_IP=10.10.0.21 \
-e KEEPALIVED_UNICAST_PEER_0=10.10.0.22 \
-e KEEPALIVED_TRACK_INTERFACE=eth0 \
-e KEEPALIVED_VIRTUAL_IPADDRESS_1="10.10.0.253/24 dev eth0" \
mich43l/keepalived
Backup Node
docker run -tid \
--net=host \
--name=keepalived \
--restart=always \
--cap-add NET_ADMIN \
-e KEEPALIVED_AUTOCONF=true \
-e KEEPALIVED_STATE=BACKUP \
-e KEEPALIVED_INTERFACE=eth0 \
-e KEEPALIVED_VIRTUAL_ROUTER_ID=51 \
-e KEEPALIVED_UNICAST_SRC_IP=10.10.0.22 \
-e KEEPALIVED_UNICAST_PEER_0=10.10.0.21 \
-e KEEPALIVED_TRACK_INTERFACE=eth0 \
-e KEEPALIVED_VIRTUAL_IPADDRESS_1="10.10.0.253/24 dev eth0" \
mich43l/keepalived
Tag summary
Content type
Image
Digest
sha256:e692044da…
Size
60 MB
Last updated
over 2 years ago
docker pull mich43l/keepalived