docker-swarm.cfg

#  vim:ts=4:sts=4:sw=4:et
#
#  Author: Hari Sekhon
#  Date: 2017-12-17 13:57:29 +0000 (Sun, 17 Dec 2017)
#
#  https://github.com/harisekhon/haproxy-configs
#
#  License: see accompanying Hari Sekhon LICENSE file
#
#  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
#
#  https://www.linkedin.com/in/harisekhon
#

# ============================================================================ #
#                   H A P r o x y  -  D o c k e r   S w a r m
# ============================================================================ #

frontend docker
    description "Docker Swarm"
    bind *:2376
    mode tcp
    option tcplog
    default_backend docker

backend docker
    description "Docker Swarm"
    balance source
    mode tcp
    acl internal_networks src 192.168.0.0/16 172.16.0.0/12 10.0.0.0/8 127.0.0.1
    tcp-request content reject if ! internal_networks
    # Swarm Managers only
    server docker-swarm docker-swarm:2376 check
    server swarm swarm:2376 check
    server docker docker:2376 check
    server 192.168.99.100 192.168.99.100:2376 check
    server 192.168.99.101 192.168.99.101:2376 check
    server 192.168.99.102 192.168.99.102:2376 check