CLI: bin/apisix to support the SO_REUSEPORT (apache#1085)

Fix apache#342

.gitignore

@@ -56,3 +56,6 @@ client_body_temp
 utils/lj-releng
 .idea/
 *.iml
+
+# .travis
+!.travis/*.sh

.travis/check-nginxconf.sh

@@ -0,0 +1,29 @@
+#!/bin/sh
+
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+#check whether the 'reuseport' is in nginx.conf .
+matched=`grep -E "listen.*reuseport" conf/nginx.conf | wc -l`
+if [ $matched -eq 0 ]; then
+    echo "failed: nginx.conf file is missing reuseport configuration"
+    exit 1
+else
+    echo "passed: nginx.conf file contains reuseport configuration"
+fi
+
+exit 0

.travis/linux_apisix_luarocks_runner.sh

@@ -43,20 +43,27 @@ script() {
     sudo mkdir -p /usr/local/apisix/deps
     sudo PATH=$PATH ./utils/install-apisix.sh install
 
-    sudo apisix help
-    sudo apisix init
-    sudo apisix start
-    sudo apisix stop
+    sudo PATH=$PATH apisix help
+    sudo PATH=$PATH apisix init
+    sudo PATH=$PATH apisix start
+    sudo PATH=$PATH apisix stop
 
     sudo PATH=$PATH ./utils/install-apisix.sh remove
 
     # install APISIX by luarocks
     sudo luarocks install rockspec/apisix-master-0.rockspec
 
-    sudo apisix help
-    sudo apisix init
-    sudo apisix start
-    sudo apisix stop
+    sudo PATH=$PATH apisix help
+    sudo PATH=$PATH apisix init
+    sudo PATH=$PATH apisix start
+    sudo PATH=$PATH apisix stop
+
+    # make init
+    # 'make init' operates scripts and related configuration files in the current directory
+    # The 'apisix' command is a command in the /usr/local/apisix,
+    # and the configuration file for the operation is in the /usr/local/apisix/conf
+    sudo PATH=$PATH make init
+    sudo PATH=$PATH bash .travis/check-nginxconf.sh
 
     sudo luarocks remove rockspec/apisix-master-0.rockspec
 }

bin/apisix

@@ -129,10 +129,10 @@ stream {
 
     server {
         {% for _, port in ipairs(stream_proxy.tcp or {}) do %}
-        listen {*port*};
+        listen {*port*} {% if enable_reuseport then %} reuseport {% end %};
         {% end %}
         {% for _, port in ipairs(stream_proxy.udp or {}) do %}
-        listen {*port*} udp;
+        listen {*port*} udp {% if enable_reuseport then %} reuseport {% end %};
         {% end %}
 
         preread_by_lua_block {
@@ -261,15 +261,15 @@ http {
     {% end %}
 
     server {
-        listen {* node_listen *};
+        listen {* node_listen *} {% if enable_reuseport then %} reuseport {% end %};
         {% if ssl.enable then %}
-        listen {* ssl.listen_port *} ssl {% if ssl.enable_http2 then %} http2 {% end %};
+        listen {* ssl.listen_port *} ssl {% if ssl.enable_http2 then %} http2 {% end %} {% if enable_reuseport then %} reuseport {% end %};
         {% end %}
 
         {% if enable_ipv6 then %}
-        listen [::]:{* node_listen *};
+        listen [::]:{* node_listen *} {% if enable_reuseport then %} reuseport {% end %};
         {% if ssl.enable then %}
-        listen [::]:{* node_ssl_listen *} ssl {% if ssl.enable_http2 then %} http2 {% end %};
+        listen [::]:{* node_ssl_listen *} ssl {% if ssl.enable_http2 then %} http2 {% end %} {% if enable_reuseport then %} reuseport {% end %};
         {% end %}
         {% end %} {% -- if enable_ipv6 %}
 

conf/config.yaml

@@ -21,6 +21,7 @@ apisix:
   enable_admin_cors: true         # Admin API support CORS response headers.
   enable_debug: false
   enable_dev_mode: false          # Sets nginx worker_processes to 1 if set to true
+  enable_reuseport: true          # Enable nginx SO_REUSEPORT switch if set to true.
   enable_ipv6: true
   config_center: etcd             # etcd: use etcd to store the config value
                                   # yaml: fetch the config value from local yaml file `/your_path/conf/apisix.yaml`