consul.cfg

#  vim:ts=4:sts=4:sw=4:et
#
#  Author: Hari Sekhon
#  Date: 2017-12-16 10:36:31 +0000 (Sat, 16 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  -  C o n s u l
# ============================================================================ #

# HTTP port only, does not support UDP for DNS but DNS client libraries can handle this by adding all Consul servers

frontend consul
    description "Consul"
    bind *:8500
    default_backend consul

backend consul
    description "Consul"
    balance roundrobin
    acl internal_networks src 192.168.0.0/16 172.16.0.0/12 10.0.0.0/8 127.0.0.1
    http-request deny if ! internal_networks
    #option httpchk GET /ui/
    #http-check expect string "Consul"
    option httpchk GET /
    # older versions say Consul Agent
    # newer versions say Consul by Hashicorp
    http-check expect rstring "Consul (Agent|by HashiCorp)"
    server consul consul:8500 check
    server docker docker:8500 check
    server 192.168.99.100 192.168.99.100:8500 check