haproxy-keepalived [latest]

HAProxy with Keepalived base on Docker(Old version look old branch).

Feature:

• graceful_shutdown: with start.sh, added graceful shutdown with it.

• haproxy_log: haproxy will print log with rsyslog to /var/log/haproxy.log.

Usage (DockerHub)

This image use host config file, and then run it:

docker run -it -d --net=host --privileged \
    -v ${HAPROXY_CONFIG_FILE}:/usr/local/etc/haproxy/haproxy.cfg \
    -v ${KEEPALIVED_CONFIG_FILE}:/etc/keepalived/keepalived.conf \
    --name haproxy-keepalived \
    pelin/haproxy-keepalived

Example

haproxy.cfg:

global
    daemon
    maxconn 30000
    log 127.0.0.1 local0 debug

defaults
    log global
    option tcplog
    maxconn 30000
    timeout connect 30000
    timeout client 1800000
    timeout server 1800000
    timeout check 1000
    log-format %ci\ [id=%ID]\ [%t]\ %f\ %b/%s\ %Tq/%Tw/%Tc/%Tr/%Tt\ %ST\ %B\ %CC\ %CS\ %tsc\ %ac/%fc/%bc/%sc/%rc\ %sq/%bq\ {%hrl}\ {%hsl}\ %{+Q}r

listen stats
    bind *:1080
    mode http
    stats refresh 30s
    stats uri /stats

keepalived.conf

vrrp_script chk_haproxy {
    script "/usr/local/bin/chk_haproxy.sh"
    interval 2
    weight 2
    rise 2
    fall 2
}

vrrp_instance VI_1 {
    state MASTER                # keepalived state
    interface eth0              # replace this with your interface
    virtual_router_id 40        
    priority 110
    track_interface {
        eth0                    # replace this with your interface
    }
    virtual_ipaddress {
        10.214.67.231           # replace this with your virtual IP
    }
    track_script {
        chk_haproxy
    }
    nopreempt
}

And then run it:

docker run -it -d --net=host --privileged \
    -v /data/haproxy.cfg:/usr/local/etc/haproxy/haproxy.cfg \
    -v /data/keepalived.conf:/etc/keepalived/keepalived.conf \
    --name haproxy-keepalived \
    pelin/haproxy-keepalived

You can use docker logs -f haproxy-keepalived to look.

After start the first node, you can change keepalived.conf to start other nodes.

Discuss

If you have some problem about useage or some suggestion, welcome to create an ISSUE

LICENSE

Based on MIT LICENSE

You can fork it or reference it for custom your own haproxy-keepalived image.