apache-frontend: introduce default virtualhost with notfound message, add per slave logging

software/apache-frontend/000.conf.in

+<VirtualHost *:{{ https_port }}>
+  ServerName www.example.org
+  SSLEngine on
+  SSLProxyEngine on
+  SSLProtocol -ALL +SSLv3 +TLSv1
+  SSLHonorCipherOrder On
+  SSLCipherSuite RC4-SHA:HIGH:!ADH
+
+  # Rewrite part
+  ProxyVia On
+  ProxyPreserveHost On
+  ProxyTimeout 600
+  RewriteEngine On
+
+
+  ErrorDocument 404 /notfound.html
+
+</VirtualHost>
+
+<VirtualHost *:{{ http_port }}>
+
+  ServerName www.example.org
+  ErrorDocument 404 /notfound.html
+</VirtualHost>
\ No newline at end of file

software/apache-frontend/apache-slave-list.cfg.in

@@ -15,6 +15,8 @@ context =
 {%   set slave_section_title = 'dynamic-template-slave-instance-%s' % slave_reference -%}
 {%   set slave_parameter_dict = generic_instance_parameter_dict.copy() -%}
 {%   do part_list.append(slave_section_title) -%}
+{%   do slave_parameter_dict.__setitem__('access_log', '/'.join([apache_log_directory, '%s_access_log' % slave_reference])) -%}
+{%   do slave_parameter_dict.__setitem__('error_log', '/'.join([apache_log_directory, '%s_error_log' % slave_reference])) -%}
 [{{ slave_section_title }}]
 < = jinja2-template-base
 template = {{ template_slave_configuration }}

software/apache-frontend/common.cfg

@@ -104,6 +104,17 @@ recipe = slapos.recipe.build:download
 url = ${:_profile_base_location_}/apache-yakari.cfg.in
 mode = 640
 
+[template-not-found-html]
+recipe = slapos.recipe.build:download
+url = ${:_profile_base_location_}/notfound.html
+filename = notfound.html
+mode = 640
+
+[template-default-virtualhost]
+recipe = slapos.recipe.build:download
+url = ${:_profile_base_location_}/000.conf.in
+mode = 640
+
 [template-empty]
 recipe = slapos.recipe.build:download
 url = ${:_profile_base_location_}/empty.in

software/apache-frontend/instance.cfg

@@ -17,6 +17,8 @@ parts =
   frontend-apache-graceful
   cached-apache-graceful
   squid-reload
+  dynamic-template-default-vh
+  not-found-html
   promise-apache-frontend-v4-https
   promise-apache-frontend-v4-http
   promise-apache-frontend-v6-https
@@ -89,6 +91,15 @@ context =
     key slapparameter_dict instance-parameter:configuration
     $${:extra-context}
 
+[dynamic-template-default-vh]
+< = jinja2-template-base
+template = ${template-default-virtualhost:target}
+rendered = $${apache-directory:slave-configuration}/000.conf
+extensions = jinja2.ext.do
+extra-context =
+    key http_port instance-parameter:configuration.plain_http_port
+    key https_port instance-parameter:configuration.port
+
 [dynamic-template-slave-list]
 < = jinja2-template-base
 template = ${template-slave-list:target}
@@ -101,6 +112,7 @@ extra-context =
     key slave_instance_list instance-parameter:slave-instance-list
     key rewrite_cached_configuration apache-configuration:cached-rewrite-file
     key custom_ssl_directory apache-directory:vh-ssl
+    key apache_log_directory apache-directory:slave-log
     raw empty_template ${template-empty:target}
     raw cache_access http://$${instance-parameter:ipv4-random}:$${apache-configuration:cache-port}
     raw template_slave_configuration ${template-slave-configuration:target}
@@ -203,6 +215,12 @@ wait-for-files =
 	       $${ca-frontend:cert-file}
 	       $${ca-frontend:key-file}
 
+[not-found-html]
+recipe = slapos.cookbook:symbolic.link
+target-directory = $${apache-directory:document-root}
+link-binary =
+	    ${template-not-found-html:target}
+
 [apache-directory]
 recipe = slapos.cookbook:mkdirectory
 document-root = $${directory:srv}/htdocs
@@ -210,6 +228,7 @@ slave-configuration = $${directory:srv}/apache-slave-conf.d/
 cache = $${directory:var}/cache
 mod-ssl = $${:cache}/httpd_mod_ssl
 vh-ssl = $${:slave-configuration}/ssl
+slave-log = $${directory:log}/httpd
 
 [apache-configuration]
 frontend-configuration = $${directory:etc}/apache_frontend.conf
@@ -305,7 +324,7 @@ state-file = $${directory:srv}/logrotate.status
 <= logrotate
 recipe = slapos.cookbook:logrotate.d
 name = apache
-log = $${apache-configuration:error-log} $${apache-configuration:access-log}
+log = $${apache-directory:slave-log}/*_log $${apache-configuration:error-log} $${apache-configuration:access-log}
 frequency = daily
 rotatep-num = 30
 post = ${buildout:bin-directory}/killpidfromfile $${apache-configuration:pid-file} SIGUSR1

software/apache-frontend/notfound.html

+<html>
+<head>
+  <title>Instance not found</title>
+</head>
+<body>
+<h1>This instance has not been found.</h1>
+<p>If this error persists, please check your instance URL and status on SlapOS Master.</p>
+</body>
+</html>