121 lines
5.3 KiB
Django/Jinja
121 lines
5.3 KiB
Django/Jinja
#jinja2: lstrip_blocks: True
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{%- set tls_bind_info = 'ssl crt /etc/haproxy/haproxy.pem' if kolla_enable_tls_external|bool else '' %}
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{%- macro userlist_macro(service_name, auth_user, auth_pass) %}
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userlist {{ service_name }}-user
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user {{ auth_user }} insecure-password {{ auth_pass }}
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{% endmacro %}
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{%- macro frontend_macro(service_name, service_port, service_mode, external,
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frontend_http_extra, frontend_tcp_extra) %}
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frontend {{ service_name }}_front
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{% if service_mode == 'redirect' %}
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mode http
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{% else %}
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mode {{ service_mode }}
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{% endif %}
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{% if service_mode == 'http' %}
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{# Delete any pre-populated XFP header #}
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http-request del-header X-Forwarded-Proto
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{% for http_option in frontend_http_extra %}
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{{ http_option }}
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{% endfor %}
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{% elif service_mode == 'tcp' %}
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{% for tcp_option in frontend_tcp_extra %}
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{{ tcp_option }}
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{% endfor %}
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{% endif %}
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{% set tls_option = '' %}
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{% if external|bool %}
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{% set vip_address = kolla_external_vip_address %}
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{% if service_mode == 'http' %}
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{% set tls_option = tls_bind_info %}
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{# Replace the XFP header for external https requests #}
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http-request set-header X-Forwarded-Proto https if { ssl_fc }
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{% endif %}
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{% else %}
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{% set vip_address = kolla_internal_vip_address %}
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{% endif %}
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{{ "bind %s:%s %s"|e|format(vip_address, service_port, tls_option)|trim() }}
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{# Redirect mode sets a redirect scheme instead of a backend #}
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{% if service_mode == 'redirect' %}
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redirect scheme https code 301 if !{ ssl_fc }
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{% else %}
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default_backend {{ service_name }}_back
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{% endif %}
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{% endmacro %}
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{%- macro backend_macro(service_name, listen_port, service_mode, host_group,
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custom_member_list, backend_http_extra,
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backend_tcp_extra, auth_user, auth_pass) %}
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backend {{ service_name }}_back
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{% if service_mode == 'redirect' %}
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mode http
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{% else %}
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mode {{ service_mode }}
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{% endif %}
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{% if service_mode == 'http' %}
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{# Set up auth if required #}
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{% if auth_user and auth_pass %}
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acl auth_acl http_auth({{ service_name }}-user)
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http-request auth realm basicauth unless auth_acl
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{% endif %}
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{% for http_option in backend_http_extra %}
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{{ http_option }}
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{% endfor %}
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{% elif service_mode == 'tcp' %}
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{% for tcp_option in backend_tcp_extra %}
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{{ tcp_option }}
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{% endfor %}
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{% endif %}
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{% if custom_member_list is not none %}
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{% for custom_member in custom_member_list %}
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{{ custom_member }}
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{% endfor %}
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{% else %}
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{% for host in groups[host_group] %}
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{% set api_interface = "ansible_%s"|format(hostvars[host]['api_interface']) %}
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{% set host_name = hostvars[host]['ansible_hostname'] %}
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{% set host_ip = hostvars[host][api_interface]['ipv4']['address'] %}
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server {{ host_name }} {{ host_ip }}:{{ listen_port }} {{ haproxy_health_check }}
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{% endfor %}
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{% endif %}
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{% endmacro %}
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{%- set haproxy = service.haproxy|default({}) %}
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{%- for haproxy_name, haproxy_service in haproxy.items() %}
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{# External defaults to false #}
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{% set external = haproxy_service.external|default(false)|bool %}
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{# Skip anything that is external when the external vip is not enabled #}
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{% if haproxy_service.enabled|bool and (not external or haproxy_enable_external_vip|bool)%}
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{# Here we define variables and their defaults #}
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{# services can be listening on a different port than haproxy #}
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{% set listen_port = haproxy_service.listen_port|default(haproxy_service.port) %}
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{# Custom member list can use jinja to generate a semicolon separated list #}
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{% set custom_member_list = haproxy_service.custom_member_list|default() %}
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{# Mode defaults to http #}
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{% set mode = haproxy_service.mode|default('http') %}
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{# Use the parent host group but allow it to be overridden #}
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{% set host_group = haproxy_service.host_group|default(service.group) %}
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{# Additional options can be defined in config, and are additive to the global extras #}
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{% set frontend_tcp_extra = haproxy_service.frontend_tcp_extra|default([]) + haproxy_frontend_tcp_extra %}
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{% set backend_tcp_extra = haproxy_service.backend_tcp_extra|default([]) %}
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{% set frontend_http_extra = haproxy_service.frontend_http_extra|default([]) + haproxy_frontend_http_extra %}
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{% set backend_http_extra = haproxy_service.backend_http_extra|default([]) %}
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{# Allow for basic auth #}
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{% set auth_user = haproxy_service.auth_user|default() %}
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{% set auth_pass = haproxy_service.auth_pass|default() %}
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{% if auth_user and auth_pass %}
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{{ userlist_macro(haproxy_name, auth_user, auth_pass) }}
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{% endif %}
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{{ frontend_macro(haproxy_name, haproxy_service.port, mode, external,
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frontend_http_extra, frontend_tcp_extra) }}
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{# Redirect (to https) is a special case, as it does not include a backend #}
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{% if haproxy_service.mode != 'redirect' %}
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{{ backend_macro(haproxy_name, listen_port, mode, host_group,
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custom_member_list, backend_http_extra, backend_tcp_extra,
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auth_user, auth_pass) }}
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{% endif %}
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{% endif %}
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{%- endfor -%}
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