Commit 1cc2ae69 authored by Łukasz Nowak's avatar Łukasz Nowak

caddy-frontend: Improve generated haproxy backend configuration

Avoid creating needless entries and minimise needless newlines, and reflect
this in test data, as in such case no backend_log is created, as nothing is
configured on backend Haproxy level.
parent 3469e864
......@@ -54,7 +54,7 @@ md5sum = 266f175dbdfc588af7a86b0b1884fe73
[template-backend-haproxy-configuration]
_update_hash_filename_ = templates/backend-haproxy.cfg.in
md5sum = 80081a7ded0029bb24b4fe2d06b6ae95
md5sum = 9b261b30eb7931e0e8f1e5dcba4696b8
[template-log-access]
_update_hash_filename_ = templates/template-log-access.conf.in
......
......@@ -14,8 +14,10 @@ defaults
timeout connect {{ configuration['backend-connect-timeout'] }}s
retries {{ configuration['backend-connect-retries'] }}
{%- set SCHEME_PREFIX_MAPPING = { 'http': 'http_backend', 'https': 'https_backend'} %}
{%- macro frontend_entry(slave_instance, scheme, wildcard) %}
{#- wildcard switch allows to put dangerous entries in the end, as haproxy parses with first match #}
{%- if slave_instance[SCHEME_PREFIX_MAPPING[scheme]]['hostname'] and slave_instance[SCHEME_PREFIX_MAPPING[scheme]]['port'] %}
{%- set host_list = (slave_instance.get('server-alias') or '').split() %}
{%- if slave_instance.get('custom_domain') not in host_list %}
{%- do host_list.append(slave_instance.get('custom_domain')) %}
......@@ -36,6 +38,7 @@ defaults
{%- if matched['count'] > 0 %}
use_backend {{ slave_instance['slave_reference'] }}-{{ scheme }} if is_{{ slave_instance['slave_reference'] }}
{%- endif %}
{%- endif %}
{%- endmacro %}
# statistic
......@@ -49,46 +52,44 @@ frontend statistic
frontend http-backend
bind {{ configuration['local-ipv4'] }}:{{ configuration['http-port'] }}
{%- for slave_instance in backend_slave_list %}
{%- for slave_instance in backend_slave_list -%}
{{ frontend_entry(slave_instance, 'http', False) }}
{%- endfor %}
{%- for slave_instance in backend_slave_list %}
{%- for slave_instance in backend_slave_list -%}
{{ frontend_entry(slave_instance, 'http', True) }}
{%- endfor %}
frontend https-backend
bind {{ configuration['local-ipv4'] }}:{{ configuration['https-port'] }}
{%- for slave_instance in backend_slave_list %}
{%- for slave_instance in backend_slave_list -%}
{{ frontend_entry(slave_instance, 'https', False) }}
{%- endfor %}
{%- for slave_instance in backend_slave_list %}
{%- for slave_instance in backend_slave_list -%}
{{ frontend_entry(slave_instance, 'https', True) }}
{%- endfor %}
{%- for slave_instance in backend_slave_list %}
{%- for (scheme, prefix) in [('http', 'http_backend'), ('https', 'https_backend')] %}
{%- for (scheme, prefix) in SCHEME_PREFIX_MAPPING.items() %}
{%- set info_dict = slave_instance[prefix] %}
{%- if info_dict['hostname'] and info_dict['port'] %}
{%- set ssl_list = [] %}
{%- if info_dict['scheme'] == 'https' %}
{%- set ssl = [] %}
{%- if slave_instance['authenticate-to-backend'] %}
{%- set ssl = ['crt %s' % (configuration['certificate'],)] %}
{%- do ssl_list.append('crt %s' % (configuration['certificate'],)) %}
{%- endif %}
{%- do ssl.append('ssl verify') %}
{%- do ssl_list.append('ssl verify') %}
{%- set path_to_ssl_proxy_ca_crt = slave_instance.get('path_to_ssl_proxy_ca_crt') %}
{%- if slave_instance['ssl_proxy_verify'] %}
{%- if path_to_ssl_proxy_ca_crt %}
{%- do ssl.append('required ca-file %s' % (path_to_ssl_proxy_ca_crt,)) %}
{%- do ssl_list.append('required ca-file %s' % (path_to_ssl_proxy_ca_crt,)) %}
{%- else %}
{#- Backend SSL shall be verified, but not CA provided, disallow connection #}
{#- Simply dropping hostname from the dict will result with ignoring it... #}
{%- do info_dict.__setitem__('hostname', '') %}
{%- endif %}
{%- else %}
{%- do ssl.append('none') %}
{%- do ssl_list.append('none') %}
{%- endif %}
{%- set ssl = ' '.join(ssl) %}
{%- else %}
{%- set ssl = '' %}
{%- endif %}
backend {{ slave_instance['slave_reference'] }}-{{ scheme }}
......@@ -99,10 +100,11 @@ backend {{ slave_instance['slave_reference'] }}-{{ scheme }}
timeout server {{ slave_instance['request-timeout'] }}s
timeout connect {{ slave_instance['backend-connect-timeout'] }}s
retries {{ slave_instance['backend-connect-retries'] }}
server backend {{ hostname }}:{{ port }} {{ ssl }}
server backend {{ hostname }}:{{ port }} {{ ' '.join(ssl_list) }}
{%- if path %}
http-request set-path {{ path }}%[path]
{%- endif %}
{%- endif %}
{%- endif %}
{%- endfor %}
{%- endfor %}
......@@ -1801,15 +1801,18 @@ class TestSlave(SlaveHttpFrontendTestCase, TestDataMixin):
self.instance_path, '*', 'etc', 'backend-haproxy.cfg'))[0]
with open(backend_configuration_file) as fh:
content = fh.read()
self.assertTrue("""backend _Url-http
self.assertIn("""backend _Url-http
timeout server 12s
timeout connect 5s
retries 3""" in content)
self.assertTrue(""" timeout queue 60s
retries 3""", content)
self.assertIn(""" timeout queue 60s
timeout server 12s
timeout client 12s
timeout connect 5s
retries 3""" in content)
retries 3""", content)
# check that no needless entries are generated
self.assertIn("backend _Url-http\n", content)
self.assertNotIn("backend _Url-https\n", content)
def test_auth_to_backend(self):
parameter_dict = self.assertSlaveBase('auth-to-backend')
......
......@@ -13,13 +13,10 @@ T-2/var/log/httpd/_dummy-cached_access_log
T-2/var/log/httpd/_dummy-cached_backend_log
T-2/var/log/httpd/_dummy-cached_error_log
T-2/var/log/httpd/_enable-http2-default_access_log
T-2/var/log/httpd/_enable-http2-default_backend_log
T-2/var/log/httpd/_enable-http2-default_error_log
T-2/var/log/httpd/_enable-http2-false_access_log
T-2/var/log/httpd/_enable-http2-false_backend_log
T-2/var/log/httpd/_enable-http2-false_error_log
T-2/var/log/httpd/_enable-http2-true_access_log
T-2/var/log/httpd/_enable-http2-true_backend_log
T-2/var/log/httpd/_enable-http2-true_error_log
T-2/var/log/monitor-httpd-access.log
T-2/var/log/monitor-httpd-error.log
......
......@@ -13,13 +13,10 @@ T-2/var/log/httpd/_dummy-cached_access_log
T-2/var/log/httpd/_dummy-cached_backend_log
T-2/var/log/httpd/_dummy-cached_error_log
T-2/var/log/httpd/_enable-http2-default_access_log
T-2/var/log/httpd/_enable-http2-default_backend_log
T-2/var/log/httpd/_enable-http2-default_error_log
T-2/var/log/httpd/_enable-http2-false_access_log
T-2/var/log/httpd/_enable-http2-false_backend_log
T-2/var/log/httpd/_enable-http2-false_error_log
T-2/var/log/httpd/_enable-http2-true_access_log
T-2/var/log/httpd/_enable-http2-true_backend_log
T-2/var/log/httpd/_enable-http2-true_error_log
T-2/var/log/monitor-httpd-access.log
T-2/var/log/monitor-httpd-error.log
......
......@@ -13,13 +13,10 @@ T-2/var/log/httpd/_dummy-cached_access_log
T-2/var/log/httpd/_dummy-cached_backend_log
T-2/var/log/httpd/_dummy-cached_error_log
T-2/var/log/httpd/_enable-http2-default_access_log
T-2/var/log/httpd/_enable-http2-default_backend_log
T-2/var/log/httpd/_enable-http2-default_error_log
T-2/var/log/httpd/_enable-http2-false_access_log
T-2/var/log/httpd/_enable-http2-false_backend_log
T-2/var/log/httpd/_enable-http2-false_error_log
T-2/var/log/httpd/_enable-http2-true_access_log
T-2/var/log/httpd/_enable-http2-true_backend_log
T-2/var/log/httpd/_enable-http2-true_error_log
T-2/var/log/monitor-httpd-access.log
T-2/var/log/monitor-httpd-error.log
......
......@@ -13,13 +13,10 @@ T-2/var/log/httpd/_dummy-cached_access_log
T-2/var/log/httpd/_dummy-cached_backend_log
T-2/var/log/httpd/_dummy-cached_error_log
T-2/var/log/httpd/_enable-http2-default_access_log
T-2/var/log/httpd/_enable-http2-default_backend_log
T-2/var/log/httpd/_enable-http2-default_error_log
T-2/var/log/httpd/_enable-http2-false_access_log
T-2/var/log/httpd/_enable-http2-false_backend_log
T-2/var/log/httpd/_enable-http2-false_error_log
T-2/var/log/httpd/_enable-http2-true_access_log
T-2/var/log/httpd/_enable-http2-true_backend_log
T-2/var/log/httpd/_enable-http2-true_error_log
T-2/var/log/monitor-httpd-access.log
T-2/var/log/monitor-httpd-error.log
......
......@@ -22,7 +22,6 @@ T-2/var/log/httpd/_auth-to-backend_access_log
T-2/var/log/httpd/_auth-to-backend_backend_log
T-2/var/log/httpd/_auth-to-backend_error_log
T-2/var/log/httpd/_ciphers_access_log
T-2/var/log/httpd/_ciphers_backend_log
T-2/var/log/httpd/_ciphers_error_log
T-2/var/log/httpd/_custom_domain_access_log
T-2/var/log/httpd/_custom_domain_backend_log
......@@ -43,7 +42,6 @@ T-2/var/log/httpd/_disabled-cookie-list_access_log
T-2/var/log/httpd/_disabled-cookie-list_backend_log
T-2/var/log/httpd/_disabled-cookie-list_error_log
T-2/var/log/httpd/_empty_access_log
T-2/var/log/httpd/_empty_backend_log
T-2/var/log/httpd/_empty_error_log
T-2/var/log/httpd/_enable-http2-default_access_log
T-2/var/log/httpd/_enable-http2-default_backend_log
......@@ -79,10 +77,8 @@ T-2/var/log/httpd/_https-only_access_log
T-2/var/log/httpd/_https-only_backend_log
T-2/var/log/httpd/_https-only_error_log
T-2/var/log/httpd/_monitor-ipv4-test_access_log
T-2/var/log/httpd/_monitor-ipv4-test_backend_log
T-2/var/log/httpd/_monitor-ipv4-test_error_log
T-2/var/log/httpd/_monitor-ipv6-test_access_log
T-2/var/log/httpd/_monitor-ipv6-test_backend_log
T-2/var/log/httpd/_monitor-ipv6-test_error_log
T-2/var/log/httpd/_prefer-gzip-encoding-to-backend-https-only_access_log
T-2/var/log/httpd/_prefer-gzip-encoding-to-backend-https-only_backend_log
......
......@@ -22,7 +22,6 @@ T-2/var/log/httpd/_auth-to-backend_access_log
T-2/var/log/httpd/_auth-to-backend_backend_log
T-2/var/log/httpd/_auth-to-backend_error_log
T-2/var/log/httpd/_ciphers_access_log
T-2/var/log/httpd/_ciphers_backend_log
T-2/var/log/httpd/_ciphers_error_log
T-2/var/log/httpd/_custom_domain_access_log
T-2/var/log/httpd/_custom_domain_backend_log
......@@ -43,7 +42,6 @@ T-2/var/log/httpd/_disabled-cookie-list_access_log
T-2/var/log/httpd/_disabled-cookie-list_backend_log
T-2/var/log/httpd/_disabled-cookie-list_error_log
T-2/var/log/httpd/_empty_access_log
T-2/var/log/httpd/_empty_backend_log
T-2/var/log/httpd/_empty_error_log
T-2/var/log/httpd/_enable-http2-default_access_log
T-2/var/log/httpd/_enable-http2-default_backend_log
......@@ -79,10 +77,8 @@ T-2/var/log/httpd/_https-only_access_log
T-2/var/log/httpd/_https-only_backend_log
T-2/var/log/httpd/_https-only_error_log
T-2/var/log/httpd/_monitor-ipv4-test_access_log
T-2/var/log/httpd/_monitor-ipv4-test_backend_log
T-2/var/log/httpd/_monitor-ipv4-test_error_log
T-2/var/log/httpd/_monitor-ipv6-test_access_log
T-2/var/log/httpd/_monitor-ipv6-test_backend_log
T-2/var/log/httpd/_monitor-ipv6-test_error_log
T-2/var/log/httpd/_prefer-gzip-encoding-to-backend-https-only_access_log
T-2/var/log/httpd/_prefer-gzip-encoding-to-backend-https-only_backend_log
......
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