nginx.conf group change

README.md

@@ -17,3 +17,16 @@ fastdfs开源的分布式文件系统，此脚本利用nginx lua模块，动态
 3. [https://github.com/azurewang/lua-resty-fastdfs](https://github.com/azurewang/lua-resty-fastdfs)
 4. [http://rhomobi.com/topics/23](http://rhomobi.com/topics/23)
 5. [http://bbs.chinaunix.net/thread-4133106-1-1.html](http://bbs.chinaunix.net/thread-4133106-1-1.html)
+
+
+安装：
+CentOS release 6.7 (Final)
+Linux 2.6.32-573.26.1.el6.x86_64
+
+http://bitop.luajit.org/download.html
+tar xf LuaBitOp-1.0.2.tar.gz
+cd LuaBitOp-1.0.2
+make
+make intall
+ll /usr/lib64/lua/5.1/bit.so 
+yum -y install GraphicsMagick GraphicsMagick-devel

conf/conf.d/10.4.81.71.conf

@@ -0,0 +1,52 @@
+server {
+    listen       999;
+    server_name  10.4.81.71;
+    #lua_code_cache off;
+
+    location / {
+        root   html;
+        index  index.html index.htm;
+    }
+
+    location /group1 {
+        #root /data1/fdfs_tracker/data/;
+        #ngx_fastdfs_module;
+        alias /data1/group1;
+
+        set $image_root "/data1/group1";
+        if ($uri ~ "/([a-zA-Z0-9]+)/([a-zA-Z0-9]+)/([a-zA-Z0-9]+)/([a-zA-Z0-9]+)/(.*)") {
+            set $image_dir "$image_root/$2/$3/$4/";
+            set $image_name "$5";
+            set $file "$image_dir$image_name";
+        }
+
+        if (!-f $file) {
+            content_by_lua_file "/usr/local/nginx2/conf/lua/fastdfs.lua";
+        }
+        #curl "http://10.4.27.59:777/group1/M00/00/00/CgQbTlaoVpGAKLG7AAAqejxSlcQ450.jpg?attname=filename.jpgg" -I
+        #curl "http://10.4.27.59:777/group1/M00/00/00/CgQbTlaoVpGAKLG7AAAqejxSlcQ450.jpg?attname=filename.jpg" -I
+        if ($arg_attname ~ "^(.*).jpg$") {
+            add_header Content-Disposition "attachment;filename=$arg_attname";
+        }
+    }
+    location /group2 {
+        #root /data1/fdfs_tracker/data/;
+        #ngx_fastdfs_module;
+        alias /data1/group2;
+
+        set $image_root "/data1/group2";
+        if ($uri ~ "/([a-zA-Z0-9]+)/([a-zA-Z0-9]+)/([a-zA-Z0-9]+)/([a-zA-Z0-9]+)/(.*)") {
+            set $image_dir "$image_root/$2/$3/$4/";
+            set $image_name "$5";
+            set $file "$image_dir$image_name";
+        }
+
+        if (!-f $file) {
+            content_by_lua_file "/usr/local/nginx2/conf/lua/fastdfs.lua";
+        }
+        if ($arg_attname ~ "^(.*).jpg$") {
+            add_header Content-Disposition "attachment;filename=$arg_attname";
+        }
+    }
+}
+

conf/conf.d/localhost.conf

@@ -0,0 +1,23 @@
+    server {
+        listen       999;
+        server_name  localhost;
+
+        location /status1 {
+           stub_status on;
+           access_log  off;
+           allow 10.0.0.0/8;
+           deny all;
+        }	
+        location /status2 {
+           check_status;
+           access_log off;
+           allow 10.0.0.0/8;
+           deny all;
+       }
+
+        error_page   500 502 503 504  /50x.html;
+        location = /50x.html {
+            root   html;
+        }
+
+    }

conf/lua/fastdfs.lua

@@ -0,0 +1,95 @@
+-- 写入文件
+
+-- ngx.log(ngx.ERR,"aaaaaaaaaaaaaaaaa",ngx.var.file)
+local function writefile(filename, info)
+    local wfile=io.open(filename, "w") --写入文件(w覆盖)
+    assert(wfile)  --打开时验证是否出错		
+    wfile:write(info)  --写入传入的内容
+    wfile:close()  --调用结束后记得关闭
+end
+
+-- 检测路径是否目录
+local function is_dir(sPath)
+    if type(sPath) ~= "string" then return false end
+
+    -- local response = os.execute( "cd " .. sPath )
+    local response = os.execute( "test -d " .. sPath )
+    if response == 0 then
+        return true
+    end
+    return false
+end
+
+-- 检测文件是否存在
+local file_exists = function(name)
+    local f=io.open(name,"r")
+    if f~=nil then io.close(f) return true else return false end
+end
+
+local area = nil
+local originalUri = ngx.var.uri;
+local originalFile = ngx.var.file;
+local index = string.find(ngx.var.uri, "([0-9]+)x([0-9]+)");  
+if index then 
+    originalUri = string.sub(ngx.var.uri, 0, index-2);  
+    area = string.sub(ngx.var.uri, index);  
+    index = string.find(area, "([.])");  
+    area = string.sub(area, 0, index-1);  
+
+    local index = string.find(originalFile, "([0-9]+)x([0-9]+)");  
+    originalFile = string.sub(originalFile, 0, index-2)
+end
+
+-- check original file
+if not file_exists(originalFile) then
+    local fileid = string.sub(originalUri, 2);
+    -- main
+    local bit = require('bit')
+    local fastdfs = require('restyfastdfs')
+    local fdfs = fastdfs:new()
+    fdfs:set_timeout(1000)
+    fdfs:set_tracker_keepalive(0, 100)
+    fdfs:set_storage_keepalive(0, 100)
+
+    local tracker_list = {"10.4.81.71","10.4.81.72"}
+    for NUMBER,IP in pairs(tracker_list) do
+        fdfs:set_tracker(IP, 22122)
+            local data = fdfs:do_download(fileid)
+            if data then
+               -- check image dir
+                if not is_dir(ngx.var.image_dir) then
+                    os.execute("mkdir -p " .. ngx.var.image_dir)
+                end
+                writefile(originalFile, data)
+	    	ngx.log(ngx.DEBUG,"tracker connect:",IP)
+                break	
+            end
+	    ngx.log(ngx.ERR,"tracker not connect:",IP)
+	    if NUMBER == table.getn(tracker_list) then
+            	ngx.exit(502)
+	    end
+    end
+end
+
+-- 创建缩略图
+local image_sizes = {"80x80", "800x600", "40x40", "60x60", "1000x1000"};  
+function table.contains(table, element)  
+    for _, value in pairs(table) do  
+        if value == element then
+            return true  
+        end  
+    end  
+    return false  
+end 
+
+if table.contains(image_sizes, area) then  
+    local command = "gm convert " .. originalFile  .. " -thumbnail " .. area .. " -background gray -gravity center -extent " .. area .. " " .. ngx.var.file;  
+    os.execute(command);  
+end;
+
+if file_exists(ngx.var.file) then
+    --ngx.req.set_uri(ngx.var.uri, true);  
+    ngx.exec(ngx.var.uri)
+else
+    ngx.exit(404)
+end