caddy-frontend: Treat None as non existing parameters

software/caddy-frontend/buildout.hash.cfg

@@ -26,11 +26,11 @@ md5sum = da7b5804d50c727412885e8b818ca433
 
 [template-apache-replicate]
 filename = instance-apache-replicate.cfg.in
-md5sum = 6a86edb96b171fbd0a59d0adc9cc906b
+md5sum = 86f15c85054800a55a7093d37b03cdce
 
 [template-slave-list]
 filename = templates/apache-custom-slave-list.cfg.in
-md5sum = d476a5d21d448bcad0ab48494b229e28
+md5sum = 5b91c0079b42780054da004f8fc6f26b
 
 [template-slave-configuration]
 filename = templates/custom-virtualhost.conf.in

software/caddy-frontend/instance-apache-replicate.cfg.in

@@ -80,19 +80,19 @@ context =
 {%      do used_host_list.append(custom_domain) %}
 {%   endif %}
 {%   if slave.get('server-alias') %}
-{%     for slave_alias in slave['server-alias'].split() %}
+{%     for slave_alias in ('' ~ slave['server-alias']).split() %}
 {%       if slave_alias.startswith('*.') %}
 {%         set clean_slave_alias = slave_alias[2:] %}
 {%       else %}
 {%         set clean_slave_alias = slave_alias %}
 {%       endif %}
 {%       if not validators.domain(clean_slave_alias) %}
-{%         do slave_error_list.append('server-alias %r not valid' % (slave_alias,)) %}
+{%         do slave_error_list.append('server-alias \'%s\' not valid' % (slave_alias,)) %}
 {%       else %}
 {%         if slave_alias in slave_server_alias_unclashed or slave_alias == custom_domain %}
 {#           optionally do something about reporting back that server-alias has been unclashed #}
 {%         elif slave_alias in used_host_list %}
-{%           do slave_error_list.append('server-alias %r clashes' % (slave_alias,)) %}
+{%           do slave_error_list.append('server-alias \'%s\' clashes' % (slave_alias,)) %}
 {%         else %}
 {%           do slave_server_alias_unclashed.append(slave_alias) %}
 {%           do used_host_list.append(slave_alias) %}
@@ -107,18 +107,18 @@ context =
 {%         if not unauthorized_message in slave_error_list %}
 {%           do slave_error_list.append(unauthorized_message) %}
 {%         endif %}
-{%       elif subprocess_module.call([caddy_custom_http_validator, slave[key]]) == 1 %}
+{%       elif subprocess_module.call([caddy_custom_http_validator, '' ~ slave[key]]) == 1 %}
 {%         do slave_error_list.append('slave %s configuration invalid' % (key,)) %}
 {%       endif %}
 {%     endif %}
 {%   endfor %} {# for key in ['caddy_custom_http', 'caddy_custom_https', 'apache_custom_http', 'apache_custom_https'] #}
 {%   if slave.get('url') %}
-{%     if subprocess_module.call([caddy_backend_url_validator, slave['url']]) == 1 %}
+{%     if subprocess_module.call([caddy_backend_url_validator, '' ~ slave['url']]) == 1 %}
 {%       do slave_error_list.append('slave url %r invalid' % (slave['url'],)) %}
 {%     endif %}
 {%   endif %}
 {%   if slave.get('https-url') %}
-{%     if subprocess_module.call([caddy_backend_url_validator, slave['https-url']]) == 1 %}
+{%     if subprocess_module.call([caddy_backend_url_validator, '' ~ slave['https-url']]) == 1 %}
 {%       do slave_error_list.append('slave https-url %r invalid' % (slave['https-url'],)) %}
 {%     endif %}
 {%   endif %}
@@ -128,17 +128,18 @@ context =
 {%   if slave.get('ssl_key') and slave.get('ssl_crt') %}
 {%     set key_popen = popen([openssl, 'rsa', '-noout', '-modulus']) %}
 {%     set crt_popen = popen([openssl, 'x509', '-noout', '-modulus']) %}
-{%     set key_modulus = key_popen.communicate(slave['ssl_key'])[0] | trim %}
-{%     set crt_modulus = crt_popen.communicate(slave['ssl_crt'])[0] | trim %}
+{%     set key_modulus = key_popen.communicate('' ~ slave['ssl_key'])[0] | trim %}
+{%     set crt_modulus = crt_popen.communicate('' ~ slave['ssl_crt'])[0] | trim %}
 {%     if not key_modulus or key_modulus != crt_modulus  %}
 {%       do slave_error_list.append('slave ssl_key and ssl_crt does not match')  %}
 {%     endif %}
 {%   endif %}
 {%   if slave.get('custom_domain') %}
-{%     if slave['custom_domain'].startswith('*.') %}
-{%       set clean_custom_domain = slave['custom_domain'][2:] %}
+{%     set slave_custom_domain = '' ~ slave['custom_domain'] %}
+{%     if slave_custom_domain.startswith('*.') %}
+{%       set clean_custom_domain = slave_custom_domain[2:] %}
 {%     else %}
-{%       set clean_custom_domain = slave['custom_domain'] %}
+{%       set clean_custom_domain = slave_custom_domain %}
 {%     endif %}
 {%     if not validators.domain(clean_custom_domain) %}
 {%       do slave_error_list.append('custom_domain %r invalid' % (slave['custom_domain'],)) %}

software/caddy-frontend/templates/apache-custom-slave-list.cfg.in

@@ -162,7 +162,7 @@ bytes = 8
 
 {# Set ssl certificates for each slave #}
 {%   for cert_name in ('ssl_csr', 'ssl_proxy_ca_crt')%}
-{%     if cert_name in slave_instance %}
+{%     if slave_instance.get(cert_name) %}
 {%       set cert_title = '%s-%s' % (slave_reference, cert_name.replace('ssl_', '')) %}
 {%       set cert_file = '/'.join([custom_ssl_directory, cert_title.replace('-','.')]) %}
 {%       do part_list.append(cert_title) %}
@@ -187,7 +187,7 @@ value = {{ dumps(slave_instance.get(cert_name)) }}
 {%   do slave_instance.__setitem__('login_ca_crt', login_ca_crt) %}
 {%   do slave_parameter_dict.__setitem__('ssl_crt', login_certificate) %}
 {%   do slave_parameter_dict.__setitem__('ssl_key', login_key) %}
-{%   if 'ssl_key' in slave_instance and 'ssl_crt' in slave_instance %}
+{%   if slave_instance.get('ssl_key') and slave_instance.get('ssl_crt') %}
 {%     set cert_title = '%s-crt' % (slave_reference) %}
 {%     set key_title = '%s-key' % (slave_reference) %}
 {%     set cert_file = '/'.join([custom_ssl_directory, cert_title.replace('-','.')]) %}
@@ -211,7 +211,7 @@ extra-context =
 < = jinja2-template-base
 template = {{ empty_template }}
 rendered = {{ cert_file }}
-cert-content = {{ dumps(slave_instance.get('ssl_crt') + '\n' + slave_instance.get('ssl_ca_crt', '')) }}
+cert-content = {{ dumps('%s\n%s' % (slave_instance.get('ssl_crt'), slave_instance.get('ssl_ca_crt', '') or '')) }}
 extra-context =
     key content :cert-content
 {%     endif %}
@@ -219,21 +219,33 @@ extra-context =
 {# ########################################## #}
 {# Set Slave Configuration                    #}
 [{{ slave_configuration_section_name }}]
-https_port = {{ dumps(https_port) }}
-http_port = {{ dumps(http_port) }}
-local_ipv4 = {{ dumps(local_ipv4) }}
-nginx_http_port = {{ dumps(nginx_http_port) }}
-nginx_https_port = {{ dumps(nginx_https_port) }}
-cached_port = {{ dumps(cached_port) }}
-ssl_cached_port = {{ (ssl_cached_port) }}
+https_port = {{ dumps('' ~ https_port) }}
+http_port = {{ dumps('' ~ http_port) }}
+local_ipv4 = {{ dumps('' ~ local_ipv4) }}
+nginx_http_port = {{ dumps('' ~ nginx_http_port) }}
+nginx_https_port = {{ dumps('' ~ nginx_https_port) }}
+cached_port = {{ dumps('' ~ cached_port) }}
+ssl_cached_port = {{ ('' ~ ssl_cached_port) }}
 {# BBB: apache_custom_https and apache_custom_http #}
-{%     set caddy_custom_http = ((slave_instance.pop('caddy_custom_http', slave_instance.pop('apache_custom_http', ''))) % slave_parameter_dict) %}
-{%     set caddy_custom_https = ((slave_instance.pop('caddy_custom_https', slave_instance.pop('apache_custom_https', ''))) % slave_parameter_dict) %}
+{%     set caddy_custom_http_template = slave_instance.pop('caddy_custom_http', slave_instance.pop('apache_custom_http', '')) %}
+{%     set caddy_custom_https_template = slave_instance.pop('caddy_custom_https', slave_instance.pop('apache_custom_https', '')) %}
+{%     if caddy_custom_http_template is not none %}
+{%       set caddy_custom_http = ('' ~ caddy_custom_http_template) % slave_parameter_dict %}
 caddy_custom_http = {{ dumps(caddy_custom_http) }}
+{%     else %}
+{%       set caddy_custom_http = None %}
+{%     endif %}
+{%     if caddy_custom_https_template is not none %}
+{%       set caddy_custom_https = ('' ~ caddy_custom_https_template) % slave_parameter_dict %}
 caddy_custom_https = {{ dumps(caddy_custom_https) }}
+{%     else %}
+{%       set caddy_custom_https = None %}
+{%     endif %}
 {{ '\n' }}
 {%     for key, value in slave_instance.iteritems() %}
-{{ key }} = {{ dumps(value) }}
+{%       if value is not none %}
+{{ key }} = {{ dumps('' ~ value) }}
+{%       endif %}
 {%     endfor %}
 
 [{{ slave_section_title }}]
@@ -299,7 +311,7 @@ filename = {{ monitor_ipv4_section_title }}
 wrapper-path = {{ promise_directory }}/${:filename}
 {%   endif %}
 
-{%   set re6st_optimal_test = slave_instance.get('re6st-optimal-test', '') %}
+{%   set re6st_optimal_test = '' ~ slave_instance.get('re6st-optimal-test', '') %}
 {%   set re6st_ipv6 = None %}
 {%   set re6st_ipv4 = None %}
 {%   if ',' in re6st_optimal_test %}