rapid-cdn: Fix log for long requests

Long request lines result with truncated logs, which leads to impossibility to
debug cluster.

Maximize the log lines emitted by haproxy, and follow up this withing
accompanying rsyslogd.

Allow very long, but still much smaller, URI logging.

software/rapid-cdn/buildout.hash.cfg

@@ -38,7 +38,7 @@ md5sum = cba4d995962f7fbeae3f61c9372c4181
 
 [template-frontend-haproxy-configuration]
 _update_hash_filename_ = templates/frontend-haproxy.cfg.in
-md5sum = 545a0ff2f2dfaeb4342232398d8c8ebe
+md5sum = e004cd9b0c739be5a21b2a5eb9ff6e40
 
 [template-frontend-haproxy-crt-list]
 _update_hash_filename_ = templates/frontend-haproxy-crt-list.in
@@ -50,7 +50,7 @@ md5sum = d56e2cfab274cbbbe5b387f2f6e417df
 
 [template-backend-haproxy-configuration]
 _update_hash_filename_ = templates/backend-haproxy.cfg.in
-md5sum = 629f4cc34dd7512eb61f10eac4e62d7a
+md5sum = 13942d8f5525b748cf3cfc2665a87f63
 
 [template-empty]
 _update_hash_filename_ = templates/empty.in
@@ -106,11 +106,11 @@ md5sum = 107dc147d94d02d2084b97b8ec591831
 
 [template-frontend-haproxy-rsyslogd-conf]
 _update_hash_filename_ = templates/frontend-haproxy-rsyslogd.conf.in
-md5sum = afbf1a74322f927a10306657b9a590ad
+md5sum = 9f60941ba505bcb9eec5b09676411038
 
 [template-backend-haproxy-rsyslogd-conf]
 _update_hash_filename_ = templates/backend-haproxy-rsyslogd.conf.in
-md5sum = ba91b7778c3d730353d42d7804ef8050
+md5sum = 53bb2f095db7bc5cd3a238d3c1416502
 
 [template-slave-introspection-httpd-nginx]
 _update_hash_filename_ = templates/slave-introspection-httpd-nginx.conf.in

software/rapid-cdn/templates/backend-haproxy-rsyslogd.conf.in

@@ -6,7 +6,7 @@ module(
 # haproxy emits enough information by itself
 # Also cut out first empty space in msg, which is related to rsyslogd
 # internal and end up cutting on 8k, as it's default of $MaxMessageSize
-template(name="rawoutput" type="string" string="%msg:2:8192%\n")
+template(name="rawoutput" type="string" string="%msg:2:65537%\n")
 $ActionFileDefaultTemplate rawoutput
 
 $FileCreateMode 0600

software/rapid-cdn/templates/backend-haproxy.cfg.in

@@ -2,8 +2,9 @@ global
   pidfile {{ configuration['pid-file'] }}
   # master-worker is compatible with foreground with process management
   master-worker
+  tune.http.logurilen 16384
+  log {{ configuration['log-socket'] }} len 65535 local0
 
-log {{ configuration['log-socket'] }} local0
 defaults
   log global
   mode http

software/rapid-cdn/templates/frontend-haproxy-rsyslogd.conf.in

@@ -6,7 +6,7 @@ module(
 # haproxy emits enough information by itself
 # Also cut out first empty space in msg, which is related to rsyslogd
 # internal and end up cutting on 8k, as it's default of $MaxMessageSize
-template(name="rawoutput" type="string" string="%msg:2:8192%\n")
+template(name="rawoutput" type="string" string="%msg:2:65537%\n")
 $ActionFileDefaultTemplate rawoutput
 
 $FileCreateMode 0600

software/rapid-cdn/templates/frontend-haproxy.cfg.in

@@ -8,7 +8,8 @@ global
   # master-worker is compatible with foreground with process management
   master-worker
   expose-experimental-directives
-  log {{ configuration['log-socket'] }} local0
+  tune.http.logurilen 16384
+  log {{ configuration['log-socket'] }} len 65535 local0
 
 defaults
   mode http

software/rapid-cdn/test/test.py

@@ -2365,7 +2365,7 @@ class TestSlave(SlaveHttpFrontendTestCase, TestDataMixin, AtsMixin):
     )
     result = fakeHTTPSResult(
       parameter_dict['domain'],
-      'test-path/deep/.././deeper',
+      '/test-path/deep/.././deeper' * 250,
       headers={
         'Timeout': '10',  # more than default backend-connect-timeout == 5
         'Accept-Encoding': 'gzip',
@@ -2379,7 +2379,8 @@ class TestSlave(SlaveHttpFrontendTestCase, TestDataMixin, AtsMixin):
 
     headers = self.assertResponseHeaders(result)
     self.assertNotIn('Strict-Transport-Security', headers)
-    self.assertEqualResultJson(result, 'Path', '?a=b&c=/test-path/deeper')
+    self.assertEqualResultJson(
+      result, 'Path', '?a=b&c=' + '/test-path/deeper' * 250)
 
     try:
       j = result.json()
@@ -2399,7 +2400,7 @@ class TestSlave(SlaveHttpFrontendTestCase, TestDataMixin, AtsMixin):
       '_Url_access_log',
       r'^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3} - - '
       r'\[\d{2}\/.{3}\/\d{4}\:\d{2}\:\d{2}\:\d{2} \+\d{4}\] '
-      r'"GET \/test-path\/deep\/..\/.\/deeper '
+      r'"GET \/(\/test-path\/deep\/..\/.\/deeper){250} '
       r'HTTP\/%(http_version)s" \d{3} '
       r'\d+ "-" "TEST USER AGENT" \d+' % dict(
         http_version=self.max_client_version)
@@ -2423,7 +2424,7 @@ class TestSlave(SlaveHttpFrontendTestCase, TestDataMixin, AtsMixin):
       r'\d+/\d+\/\d+\/\d+\/\d+ '
       r'200 \d+ - - ---- '
       r'\d+\/\d+\/\d+\/\d+\/\d+ \d+\/\d+ '
-      r'"GET /test-path/deeper HTTP/1.1"'
+      r'"GET (/test-path/deeper){250} HTTP/1.1"'
     )
 
     result_http = fakeHTTPResult(