add load-balancing for php7.3

.travis.yml

@@ -30,7 +30,7 @@ script:
   - sudo wo stack install --admin || sudo tail -n50 /var/log/wo/wordops.log
 
   - sudo wo site create html.net --html && sudo wo site create php.com --php && sudo wo site create mysql.com --mysql || sudo tail -n50 /var/log/wo/wordops.log
-  - sudo wo site create proxy.com --proxy=127.0.0.1:3000
+  - sudo wo site create proxy.com --proxy=127.0.0.1:3000 || sudo tail -n50 /var/log/wo/wordops.log
   - sudo wo site create wp1.com --wp || sudo tail -n50 /var/log/wo/wordops.log
   
   - sudo wo site create wpsc1.net --wpsc && sudo wo site create wpfc1.com --wpfc || sudo tail -n50 /var/log/wo/wordops.log
@@ -61,4 +61,4 @@ script:
   - sudo wp --allow-root --info
   - sudo bash -c 'nginx -T 2>&1 > /var/log/wo/nginx.log 2>&1' || sudo tail -n50 /var/log/wo/wordops.log
   - sudo bash -c 'tar -I pigz -cf wordops.tar.gz /var/log/wo'
-  - sudo curl --progress-bar --upload-file "wordops.tar.gz" https://transfer.sh/$(basename wordops.tar.gz) && echo "" || sudo echo "transfer.sh is down"
+  - sudo curl --progress-bar --upload-file "wordops.tar.gz" https://transfer.vtbox.net/$(basename wordops.tar.gz) && echo "" || sudo echo "transfer.sh is down"

wo/cli/plugins/stack.py

@@ -882,10 +882,10 @@ class WOStackController(CementBaseController):
                 config['www']['ping.path'] = '/ping'
                 config['www']['pm.status_path'] = '/status'
                 config['www']['pm.max_requests'] = '1500'
-                config['www']['pm.max_children'] = '100'
+                config['www']['pm.max_children'] = '50'
-                config['www']['pm.start_servers'] = '20'
+                config['www']['pm.start_servers'] = '10'
-                config['www']['pm.min_spare_servers'] = '10'
+                config['www']['pm.min_spare_servers'] = '5'
-                config['www']['pm.max_spare_servers'] = '30'
+                config['www']['pm.max_spare_servers'] = '15'
                 config['www']['request_terminate_timeout'] = '300'
                 config['www']['pm'] = 'ondemand'
                 config['www']['chdir'] = '/'
@@ -898,6 +898,20 @@ class WOStackController(CementBaseController):
                               "/etc/php/7.3/fpm/pool.d/www.conf")
                     config.write(configfile)
                     
+                # Generate /etc/php/7.3/fpm/pool.d/www-two.conf
+                WOFileUtils.copyfile(self, "/etc/php/7.3/fpm/pool.d/www.conf",
+                                     "/etc/php/7.3/fpm/pool.d/www-two.conf")
+                WOFileUtils.searchreplace(self, "/etc/php/7.3/fpm/pool.d/"
+                                          "www-two.conf", "[www]", "[www-two]")
+                config = configparser.ConfigParser()
+                config.read('/etc/php/7.3/fpm/pool.d/www-two.conf')
+                config['www-two']['listen'] = 'php73-two-fpm.sock'
+                with open('/etc/php/7.3/fpm/pool.d/www-two.conf',
+                          encoding='utf-8', mode='w') as confifile:
+                    Log.debug(self, "writting PHP7.3 configuration into "
+                              "/etc/php/7.3/fpm/pool.d/www-two.conf")
+                    config.write(confifile)
+
                 # Generate /etc/php/7.3/fpm/pool.d/debug.conf
                 WOFileUtils.copyfile(self, "/etc/php/7.3/fpm/pool.d/www.conf",
                                      "/etc/php/7.3/fpm/pool.d/debug.conf")

wo/cli/templates/upstream.mustache

@@ -50,7 +50,12 @@ server 127.0.0.1:9172;
 
 # PHP 7.3 upstream with load-balancing on two unix sockets
 upstream php73 {
+    least_conn;
+    
     server unix:/var/run/php/php73-fpm.sock;
+    server unix:/var/run/php/php73-two-fpm.sock;
+    
+    keepalive 5;
 }
 
 # PHP 7.3 debug