atune:add tuning example for nginx

examples/tuning/nginx/README

@@ -0,0 +1,8 @@
+1. Prepare the environment
+sh prepare.sh
+2. Start to tuning
+atune-adm tuning --project nginx --detail nginx_client.yaml
+atune-adm tuning --project nginx_http_long --detail nginx_http_long_client.yaml
+3. Restore the environment
+atune-adm tuning --restore --project nginx
+atune-adm tuning --restore --project nginx_http_long

examples/tuning/nginx/nginx_benchmark.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+# Copyright (c) 2020 Huawei Technologies Co., Ltd.
+# A-Tune is licensed under the Mulan PSL v2.
+# You can use this software according to the terms and conditions of the Mulan PSL v2.
+# You may obtain a copy of Mulan PSL v2 at:
+#     http://license.coscl.org.cn/MulanPSL2
+# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
+# PURPOSE.
+# See the Mulan PSL v2 for more details.
+# Create: 2020-11-26
+
+if [ -f /run/nginx.pid ]; then
+  /usr/sbin/nginx -s stop
+fi
+/usr/sbin/nginx -c /etc/nginx/nginx.conf
+httpress -n 1000000 -c 512 -t 7 -k http://localhost:80

examples/tuning/nginx/nginx_client.yaml

@@ -0,0 +1,13 @@
+project: "nginx"
+engine : "gbrt"
+iterations : 30
+random_starts : 10
+
+benchmark : "sh nginx/nginx_benchmark.sh"
+evaluations :
+  -
+    name: "rps"
+    info:
+        get: "echo '$out' | grep 'TIMING:' | awk '{print $4}'"
+        type: "negative"
+        weight: 100

examples/tuning/nginx/nginx_http_long_client.yaml

@@ -0,0 +1,13 @@
+project: "nginx_http_long"
+engine : "gbrt"
+iterations : 30
+random_starts : 10
+
+benchmark : "sh nginx/nginx_benchmark.sh"
+evaluations :
+  -
+    name: "rps"
+    info:
+        get: "echo '$out' | grep 'TIMING:' | awk '{print $4}'"
+        type: "negative"
+        weight: 100

examples/tuning/nginx/prepare.sh

@@ -0,0 +1,33 @@
+#!/bin/sh
+# Copyright (c) 2020 Huawei Technologies Co., Ltd.
+# A-Tune is licensed under the Mulan PSL v2.
+# You can use this software according to the terms and conditions of the Mulan PSL v2.
+# You may obtain a copy of Mulan PSL v2 at:
+#     http://license.coscl.org.cn/MulanPSL2
+# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
+# PURPOSE.
+# See the Mulan PSL v2 for more details.
+# Create: 2020-11-26
+
+path=$(
+  cd "$(dirname "$0")"
+  pwd
+)
+
+systemctl stop firewalld
+
+echo "install nginx"
+yum install nginx gnutls gnutls-devel libev libev-devel -y
+
+echo "install nginx benchmark"
+if [ ! -f /usr/bin/httpress ]; then
+  rm -rf httpress
+  git clone https://github.com/yarosla/httpress.git
+  cd httpress && make
+  cp bin/Release/httpress /usr/bin
+fi
+
+echo "update the nginx client"
+sed -i "s#sh .*/nginx_benchmark.sh#sh $path/nginx_benchmark.sh#g" $path/nginx_client.yaml
+sed -i "s#sh .*/nginx_benchmark.sh#sh $path/nginx_benchmark.sh#g" $path/nginx_http_long_client.yaml

tuning/yamls/tuning_params_all.yaml

@@ -3638,7 +3638,7 @@ The default value is 2048. You are advised to change the value to 8192."
     info :
         desc : "Enabling or Disabling nginx access_log"
         get : cat /etc/nginx/nginx.conf | grep "access_log" | awk -F ';' '{print $1}' | awk '{$1="";print}'| awk '$1=$1'
-        set : sed -i "s#access_log.*#access_log $value;#g" /etc/nginx/nginx.conf
+        set : sed -i 's#access_log.*#access_log $value;#g' /etc/nginx/nginx.conf
         needrestart : "false"
         type : "discrete"
         options :
@@ -3650,11 +3650,11 @@ The default value is 2048. You are advised to change the value to 8192."
     info :
         desc : "Enabling or Disabling nginx error_log"
         get : cat /etc/nginx/nginx.conf | grep "error_log" | awk -F ';' '{print $1}' | awk '{$1="";print}' | awk '$1=$1'
-        set : sed -i "s#error_log.*#error_log $value;#g" /etc/nginx/nginx.conf
+        set : sed -i 's#error_log.*#error_log $value;#g' /etc/nginx/nginx.conf
         needrestart : "false"
         type : "discrete"
         options :
-          - "/var/log/nginx/access.log  main"
+          - "/var/log/nginx/error.log"
           - "/dev/null"
         dtype : "string"
   -