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ab分流策略.md

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ab分流策略格式

  • 分流策略 policy
  • 分流策略组 policygroup

分流策略policy

{
    "divtype":"分流类型",
    "divdata":[
        {规则一},
        {规则二},
        {规则三},
        ...
    ]
}
  • ab 灰度系统目前支持的策略有ip段分流、用户uid段分流、uid尾数分流、uid白名单分流
  • 可以灵活添加新的分流方式
#iprange分流，其中start和end为ip的整型表示。
{
	"divtype":"iprange",
	"divdata":[
		{"range":{"start":1111, "end":2222}, "upstream":"beta1"},
		{"range":{"start":3333, "end":4444}, "upstream":"beta2"},
		{"range":{"start":7777, "end":8888}, "upstream":"beta3"}
	]
}
#uid段分流
{
	"divtype": "uidrange",
	"divdata": [
		{"range":{"start":1111, "end":2222},  "upstream":"beta1"},
		{"range":{"start":3333, "end":4444}, "upstream":"beta2"}
   	 ]    
}
#uid尾数分流
{
	"divtype": "uidsuffix",
	"divdata": [
		{"suffix":1, "upstream":"beta1"},
		{"suffix":3, "upstream":"beta2"},
		{"suffix":5, "upstream":"beta1"},
		{"suffix":0, "upstream":"beta3"}
   	 ]    
}
#uid白名单分流	
{
	"divtype": "uidappoint",
	"divdata": [
		{"uidset":[1234,5124,653], "upstream":"beta1"},
		{"uidset":[3214,652,145], "upstream":"beta2"}
   	 ]    
}
  • 当向系统添加分流策略时，需要将策略数据转为json类型字符串，以POST方式访问添加策略接口
  • http://www.bejson.com/jsoneditoronline/ 可以将上述策略转换为字符串，用以通过post方式向系统添加策略
  • 以上四条策略的字符串格式分别为：
    • {"divtype":"iprange","divdata":[{"range":{"start":1111,"end":2222},"upstream":"beta1"},{"range":{"start":3333,"end":4444},"upstream":"beta2"},{"range":{"start":7777,"end":8888},"upstream":"beta3"}]}
    • {"divtype":"uidrange","divdata":[{"range":{"start":1111,"end":2222},"upstream":"beta1"},{"range":{"start":3333,"end":4444},"upstream":"beta2"}]}
    • {"divtype":"uidsuffix","divdata":[{"suffix":1,"upstream":"beta1"},{"suffix":3,"upstream":"beta2"},{"suffix":5,"upstream":"beta1"},{"suffix":0,"upstream":"beta3"}]}
    • {"divtype":"uidappoint","divdata":[{"uidset":[1234,5124,653],"upstream":"beta1"},{"uidset":[3214,652,145],"upstream":"beta2"}]}

分流策略组policygroup

  • 分流策略组中会有多个策略
  • 优先级由数字表示，从1开始，级别为1的策略优先级最高
  • 分流策略组格式为：
{
    "1":{
        "divtype":"分流类型",
        "divdata":[
            {规则一},
            {规则二},
            ...
        ]
    },
    "2":{
    
    },
    ...
}
  • 以下是一个包含两级分流策略，第一级为uid白名单分流策略，第二级为ip段分流
{

 "1":{
	"divtype": "uidappoint",
	"divdata": [
		{"uidset":[1234,5124,653], "upstream":"beta1"},
		{"uidset":[3214,652,145], "upstream":"beta2"}
   	 ]    
 },
 "2":{
    "divtype":"iprange",
    "divdata":[
                {"range":{"start":1111, "end":2222}, "upstream":"beta1"},
                {"range":{"start":3333, "end":4444}, "upstream":"beta2"},
                {"range":{"start":7777, "end":8888}, "upstream":"beta3"}
              ]
 }
}
  • 该分流策略组的字符串形式为：
    • {"1":{"divtype":"uidappoint","divdata":[{"uidset":[1234,5124,653],"upstream":"beta1"},{"uidset":[3214,652,145],"upstream":"beta2"}]},"2":{"divtype":"iprange","divdata":[{"range":{"start":1111,"end":2222},"upstream":"beta1"},{"range":{"start":3333,"end":4444},"upstream":"beta2"},{"range":{"start":7777,"end":8888},"upstream":"beta3"}]}}