Guuid: 由 Go 語言開發的 UUID 生成服務

Guuid 是一款由 Go 語言開發的，基於HTTP的REST的 UUID 生成服務

Github：https://github.com/dreamans/guuid

UUID(Universally Unique Identifier)全域性唯一識別符號,是指在一臺機器上生成的數字，它保證對在同一時空中的所有機器都是唯一的。

Guuid使用了伺服器主機名、執行的程式ID、時間戳、隨機數、時序元素等一系列元素來保證生成UUID的唯一性。

UUID 16 bytes, 構成:

• 4 bytes 主機名&程式ID
• 4 bytes 時間戳
• 4 bytes 計數器
• 4 bytes 隨機數

安裝

$ go get -u github.com/dreamans/guuid/guuid-server
$ cd $GOPATH/src/github.com/dreamans/guuid/guuid-server
$ go install

執行

$GOPATH/bin/guuid-server -port 11223 -timeout 3

Usage:

-port 執行埠

-timeout 讀寫超時時間

執行成功:

⇨ http server started on [::]:11223

RestAPI

• 獲取UUID

$ curl http://127.0.0.1:11223/get

{
    "code": 200,
    "message": "OK",
    "uuid": "5d1b3abf-5ab2-2792-0000-00046b2155a4"
}

• 批量獲取UUID

$ curl http://127.0.0.1:11223/mget/100

{
    "code": 200,
    "message": "OK",
    "data": [
        "5d1b3abf-5ab2-27cd-0000-00056d61a5e0",
        "5d1b3abf-5ab2-27cd-0000-000648f72a80",
        ...
    ]
}

說明:
最多返回1000條記錄

• 獲取簡版UUID

$ curl http://127.0.0.1:11223/get/simple

{
    "code": 200,
    "message": "OK",
    "uuid": "5d1b3abf5ab22792000000046b2155a4"
}

• 批量獲取簡版UUID

$ curl http://127.0.0.1:11223/mget/100/simple

{
    "code": 200,
    "message": "OK",
    "data": [
        "5d1b3abf5ab227cd000000056d61a5e0",
        "5d1b3abf5ab227cd0000000648f72a80",
        ...
    ]
}

部署

LVS -> Nginx -> guuid-server

• Configure Nginx

upstream guuid_server {
    server localhost:11211;
    server localhost:11212;
    server localhost:11213;
}

server {
    listen          80;
    server_name     localhost;

    location / {
        proxy_pass      http://guuid_server;
    }
}