_traefik2_labels.yml.jinja

{%- import "_macros.jinja" as macros -%}
{#
  Note: indentation of 6 spaces is important because that's the depth level
  of container labels in a docker-compose file.
#}

{# Echo all path prefixes in a Traefik rule #}
{%- macro path_prefix_rule(path_prefixes) %}
  {%- set _ns = namespace(with_slash=[], without_slash=[]) %}
  {%- for prefix in path_prefixes %}
    {%- if prefix.endswith("/") %}
      {%- set _ns.with_slash = _ns.with_slash + [prefix] %}
    {%- else %}
      {%- set _ns.with_slash = _ns.with_slash + ["%s/" % prefix] %}
      {%- set _ns.without_slash = _ns.without_slash + [prefix] %}
    {%- endif %}
  {%- endfor -%}
  (PathPrefix(
      {%- for path in _ns.with_slash -%}
        `{{ path }}`
        {%- if not loop.last %}, {% endif %}
      {%- endfor -%}
    )
    {%- if _ns.without_slash %} || Path(
      {%- for path in _ns.without_slash -%}
        `{{ path }}`
        {%- if not loop.last %}, {% endif %}
      {%- endfor -%}
      )
    {%- endif -%}
  )
{%- endmacro %}

{# Echo all domains of a group, in a Traefik rule #}
{%- macro domains_rule(domain_group) -%}
  Host(
    {%- for host in domain_group.hosts -%}
    `{{ host }}`
    {%- if not loop.last %}, {% endif %}
    {%- endfor -%}
  )
  {%- if domain_group.path_prefixes %} && {{ path_prefix_rule(domain_group.path_prefixes) }}
  {%- endif %}
{%- endmacro %}

{%- macro key(project_name, odoo_version, suffix) %}
  {{- '%s-%.1f-%s'|format(project_name, odoo_version, suffix)|replace('.', '-') }}
{%- endmacro %}

{#- Basic labels for a single router #}
{%- macro router(domain_group, key, suffix, rule=none, service=none, middlewares=()) %}
      traefik.http.routers.{{ key }}-{{ suffix }}-{{ domain_group.loop.index0 }}.rule:
        {{ rule|default(domains_rule(domain_group), true) }}
      traefik.http.routers.{{ key }}-{{ suffix }}-{{ domain_group.loop.index0 }}.service:
        {{ key }}-{{ service|default("main", true) }}
      {%- if domain_group.entrypoints %}
      traefik.http.routers.{{ key }}-{{ suffix }}-{{ domain_group.loop.index0 }}.entrypoints:
        {{ domain_group.entrypoints|sort|join(", ") }}
      {%- endif %}
      {%- if middlewares %}
      traefik.http.routers.{{ key }}-{{ suffix }}-{{ domain_group.loop.index0 }}.middlewares:
        {{ key }}-{{ middlewares|sort|join(", %s-" % key) }}
      {%- endif %}

      {%- if domain_group.cert_resolver %}

      {#- Add TLS configuraiton #}
      {%- if suffix.endswith("-secure") %}
      traefik.http.routers.{{ key }}-{{ suffix }}-{{ domain_group.loop.index0 }}.tls: "true"
      {%- if domain_group.cert_resolver is string %}
      traefik.http.routers.{{ key }}-{{ suffix }}-{{ domain_group.loop.index0 }}.tls.certResolver:
        {{ domain_group.cert_resolver }}
      {%- endif %}

      {#- Create TLS-only router;
         HACK https://github.com/containous/traefik/issues/7235 #}
      {%- else %}
      {{- router(domain_group, key, "%s-secure" % suffix, rule, service, middlewares) }}
      {%- endif %}

      {%- endif %}
{%- endmacro %}

{%- macro common_middlewares(key, cidr_whitelist) %}
      {#- Common middlewares #}
      traefik.http.middlewares.{{ key }}-buffering.buffering.retryExpression:
        IsNetworkError() && Attempts() < 5
      traefik.http.middlewares.{{ key }}-compress.compress: "true"
      ? traefik.http.middlewares.{{ key }}-forbid-crawlers.headers.customResponseHeaders.X-Robots-Tag
      : "noindex, nofollow"
      traefik.http.middlewares.{{ key }}-forceSecure.headers.forceSTSHeader: "true"
      traefik.http.middlewares.{{ key }}-forceSecure.headers.sslRedirect: "true"

      {%- if cidr_whitelist %}
      {#- Declare whitelist middleware #}
      ? traefik.http.middlewares.{{ key }}-whitelist.IPWhiteList.sourceRange
      : {% for cidr in cidr_whitelist -%}
        {{ cidr }}{% if not loop.last %}, {% endif %}
        {%- endfor %}
      {%- endif %}
{%- endmacro %}

{%- macro odoo(domain_groups_list, cidr_whitelist, key, odoo_version,
               paths_without_crawlers, project_name) %}
      {#- Service #}
      traefik.http.services.{{ key }}-main.loadbalancer.server.port: 8069
      traefik.http.services.{{ key }}-longpolling.loadbalancer.server.port: 8072

      {%- call(domain_group) macros.domains_loop_grouped(domain_groups_list) %}
      {#- Remember basic middlewares for this domain group #}
      {%- set _ns = namespace(basic_middlewares=[]) -%}
      {%- if cidr_whitelist %}
        {%- set _ns.basic_middlewares = _ns.basic_middlewares + ["whitelist"] %}
      {%- endif %}
      {%- if domain_group.cert_resolver %}
        {%- set _ns.basic_middlewares = _ns.basic_middlewares + ["forceSecure"] %}
      {%- endif %}

      {%- if domain_group.redirect_to %}
      {#- Redirections #}
      traefik.http.middlewares.{{ key }}-redirect-{{ domain_group.loop.index0 }}.redirectRegex.regex: ^(.*)://([^/]+)/(.*)$$
      traefik.http.middlewares.{{ key }}-redirect-{{ domain_group.loop.index0 }}.redirectRegex.replacement: $$1://{{ domain_group.redirect_to }}/$$3
      {{-
        router(
          domain_group=domain_group,
          key=key,
          suffix="redirect",
          middlewares=_ns.basic_middlewares + [
            "compress",
            "redirect-%d" % domain_group.loop.index0,
          ],
        )
      }}
      {%- else %}

      {#- When removing crawlers for /, this router is the same as forbiddenCrawlers, so no need to duplicate #}
      {%- if paths_without_crawlers != ["/"] or domain_group.path_prefixes %}
      {#- Main router #}
      {{-
        router(
          domain_group=domain_group,
          key=key,
          suffix="main",
          middlewares=_ns.basic_middlewares + [
            "buffering",
            "compress",
          ],
        )
      }}
      {%- endif %}

      {#- Longpolling router #}
      {%- if not domain_group.path_prefixes %}
      {{-
        router(
          domain_group=domain_group,
          key=key,
          suffix="longpolling",
          rule="%s && PathPrefix(`/longpolling/`)" % domains_rule(domain_group),
          service="longpolling",
          middlewares=_ns.basic_middlewares,
        )
      }}
      {%- endif %}

      {#- Forbidden crawlers router #}
      {%- if paths_without_crawlers and not domain_group.path_prefixes %}
      {{-
        router(
          domain_group=domain_group,
          key=key,
          suffix="forbiddenCrawlers",
          rule="%s && %s" % (
            domains_rule(domain_group),
            path_prefix_rule(paths_without_crawlers),
          ),
          middlewares=_ns.basic_middlewares + [
            "buffering",
            "compress",
            "forbid-crawlers",
          ],
        )
      }}
      {%- endif %}
      {%- endif %}
      {%- endcall %}
{%- endmacro %}