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README.md

Ansible role: Haproxy

Install and configure haproxy

Requirements

Ansible >= 2.10
Debian
- Bullseye
- Bookworm

Role variables

haproxy_apt_release - set the apt release to use (default: ansible_distribution_release)
haproxy_global - hash with the global configuration

  log-send-hostname: true
  chroot: /var/lib/haproxy
  pidfile: /var/run/haproxy.pid
  maxconn: 4096
  user: haproxy
  group: haproxy
  daemon: true
  stats: socket /var/lib/haproxy/stats

haproxy_defaults - hash with the defaults configurations

  mode: http
  log: global
  option:
    - httplog
    - dontlognull
    - http-server-close
    - forwardfor except 127.0.0.0/8
    - redispatch
  retries: 3
  timeout:
    - http-request 10s
    - queue 1m
    - connect 10s
    - client 1m
    - server 1m
    - http-keep-alive 10s
    - check 10s
  maxconn: 4096

haproxy_stats_username - set the username to access stats interface (default: admin)
haproxy_stats_password- set the password to access stats interface (default: secret)
haproxy_listen_stats - hash with options for stats interface

  bind:
    ip: 127.0.0.1
    port: 9000
  mode: http
  maxconn: 10
  timeout:
    - client 30s
    - server 30s
    - connect 30s
    - queue 30s
  stats:
    - 'refresh 5s'
    - 'show-node'
    - 'realm Haproxy\ Statistics'
    - 'auth {{ haproxy_stats_username }}:{{ haproxy_stats_password }}'
    - 'uri /haproxy_stats'

haproxy_resolvers - hash with the resolvers configuration

  dns:
    local:
      - dns1 127.0.0.1:53

haproxy_frontends - hash with the frontends configuration

  fontend-https:
    bind:
      ip: '*'
      port: 443
      ssl:
        cert:
          - /etc/haproxy/ssl1.pem
          - /etc/haproxy/ssl2.pem
    default_backend: backend-app
  frontend-http:
    bind:
      ip: '*'
      port: 80
    mode: http
    option:
      - 'forwardfor except 127.0.0.0/8'
      - 'httplog'
      - 'http-server-close'
    acl:
      - acl_test1-https hdr(host) test1.example.net
      - acl_test2-https hdr(host) test2.example.net
      - acl_blacklist src -f /etc/haproxy/blacklist.list
    use_backend:
      - backend-app if acl_test1-https
      - backend-app if acl_test2-https
      - backend-app if acl_test1-https acl_blacklist

haproxy_backends - hash with the backend configuration

  backend-app:
    mode: http
    balance: roundrobin
    stick-table: type ip size 512k expire 30m
    stick: on src
    option:
      - 'ssl-hello-chk'
      - 'tcp-check'
      - 'log-health-checks'
      - 'forwardfor header X-Forwarded-For'
    server:
      - host1 127.0.0.1:80 check maxconn 1000 inter 15s
      - host2 127.0.0.1:80 check maxconn 1000 inter 15s

haproxy_ips_lists - hash with the ips list to use in haproxy

  blacklist:
    - 192.168.0.0/16
    - 172.10.10.0/24
  public_withlist:
    - 8.8.8.8

haproxy_userlists - hash with the userlist for basic auth

  restricted:
    group:
      - admin
    user:
      - admin password 84375611a53741f7e94b09eb49127f41 groups admin

haproxy_ssl_certificates - hash with ssl certificates to copy

  example-com: |
		-----BEGIN CERTIFICATE-----
		MIIJQgIBADANBgkqhkiG9w0BAQEFAASCCSwwggkoAgEAAoICAQDJZs7pOmgIjXqa
		/rZx2CL4pXTo4kKv+Itj3xfrq46r4DZKQJoCHqcs/bFjtCP89xJlvbrZVmxizFOF
		mfKiNat39GNgeUaTH23+N/FOAyphayOcFk+s4X6GbdxrkHqt9IBrfK0B88bYjL/m
		.....

haproxy_http_errors - hash with http error groups

  test:
    503: test-503

haproxy_http_errors_file - hash with http error files

  test-503: |
    HTTP/1.1 503 Service Unavailable
    Cache-Control: no-cache
    Connection: close
    Content-Type: text/html

    <!DOCTYPE html>
    <html lang="en">
        <body>
            <main>
                This is my custom 503 page
            </main>
        </body>
    </html>

How to use

- hosts: server
  roles:
    - haproxy

Development

Test with molecule and docker

install docker
install python3 and python3-pip
install molecule and dependencies pip3 install molecule 'molecule[docker]' docker ansible-lint testinfra yamllint
run molecule test

License

Copyright (c) 2019 Adrien Waksberg

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.