init

image/Dockerfile

@@ -6,6 +6,8 @@ MAINTAINER Bertrand Gouny <bertrand.gouny@osixia.net>
 # --net=host
 # -v /lib/modules:/lib/modules
 
+# sudo docker run --privileged=true --net=host -v /lib/modules:/lib/modules -d osixia/keepalived:0.1.0
+
 # Use baseimage-docker's init system.
 CMD ["/sbin/my_init"]
 

image/env.yml

@@ -1,4 +1,4 @@
-KEEPALIVED_INTERFACE: eno1
+KEEPALIVED_INTERFACE: wlan0
 KEEPALIVED_PASSWORD: d0cker
 
 # for electing MASTER, highest priority wins.
@@ -6,10 +6,7 @@ KEEPALIVED_PASSWORD: d0cker
 KEEPALIVED_PRIORITY: 150
 
 KEEPALIVED_UNICAST_PEERS:
-  - 172.17.8.101
-  - 172.17.8.102
-  - 172.17.8.103
+  - 192.168.1.9
 
 KEEPALIVED_VIRTUAL_IPS:
-  - 192.168.200.17/24 dev eth1
-  - 192.168.200.18/24 dev eth2 label eth2:1
+  - 192.168.1.230

image/service/keepalived/assets/keepalived.conf

@@ -1,19 +1,26 @@
-vrrp_instance VI_1 {
+vrrp_instance vip-1 {
   interface {{ keepalived_interface }}
+
+  track_interface {
+    {{ keepalived_interface }}
+  }
+
   state MASTER
   virtual_router_id 51
   priority {{ keepalived_priority }}
+  nopreempt
 
-  unicast_peer {
-    {{ peer_ip }}
-  }
+  unicast_peer {{ keepalived_unicast_peers }}
 
   virtual_ipaddress {
-    {{ floating_ip }}
+    {{ keepalived_virtual_ips }}
   }
 
   authentication {
     auth_type PASS
     auth_pass {{ keepalived_password }}
   }
+
+  debug
+
 }

image/service/keepalived/container-start.sh

@@ -28,13 +28,13 @@ if [ ! -e "$FIRST_START_DONE" ]; then
         # it's just a peer
         # stored in a variable
         if [ -n "${!peer}" ]; then
-          sed -i "s|{{ peer_ip }}|${!peer}\n    {{ peer_ip }}|g" /etc/keepalived/keepalived.conf
+          sed -i "s|{{ keepalived_unicast_peers }}|${!peer}\n    {{ keepalived_unicast_peers }}|g" /etc/keepalived/keepalived.conf
         # directly
         else
-          sed -i "s|{{ peer_ip }}|${peer}\n    {{ peer_ip }}|g" /etc/keepalived/keepalived.conf
+          sed -i "s|{{ keepalived_unicast_peers }}|${peer}\n    {{ keepalived_unicast_peers }}|g" /etc/keepalived/keepalived.conf
         fi
       done
-      sed -i "/{{ peer_ip }}/d" /etc/keepalived/keepalived.conf
+      sed -i "/{{ keepalived_unicast_peers }}/d" /etc/keepalived/keepalived.conf
 
       # virtual ips
       KEEPALIVED_VIRTUAL_IPS=($KEEPALIVED_VIRTUAL_IPS)
@@ -43,13 +43,13 @@ if [ ! -e "$FIRST_START_DONE" ]; then
         # it's just a peer
         # stored in a variable
         if [ -n "${!vip}" ]; then
-          sed -i "s|{{ floating_ip }}|${!vip}\n    {{ floating_ip }}|g" /etc/keepalived/keepalived.conf
+          sed -i "s|{{ keepalived_virtual_ips }}|${!vip}\n    {{ keepalived_virtual_ips }}|g" /etc/keepalived/keepalived.conf
         # directly
         else
-          sed -i "s|{{ floating_ip }}|${vip}\n    {{ floating_ip }}|g" /etc/keepalived/keepalived.conf
+          sed -i "s|{{ keepalived_virtual_ips }}|${vip}\n    {{ keepalived_virtual_ips }}|g" /etc/keepalived/keepalived.conf
         fi
       done
-      sed -i "/{{ floating_ip }}/d" /etc/keepalived/keepalived.conf
+      sed -i "/{{ keepalived_virtual_ips }}/d" /etc/keepalived/keepalived.conf
     fi
   fi
 

image/service/keepalived/daemon.sh

@@ -1,2 +1,2 @@
 #!/bin/bash -e
-exec /usr/sbin/keepalived -f /etc/keepalived/keepalived.conf --dont-fork --log-console
+exec /usr/sbin/keepalived -f /etc/keepalived/keepalived.conf --dont-fork --log-console -D -d