云眼配置

本主题介绍如何使用云眼灰度发布（特性标帜）AB实验 Ruby SDK 的 EyeofcloudConfig 访问数据文件中的项目配置数据。

概述

云眼灰度发布（特性标帜）AB实验 SDK 打开一组定义良好的公共 API，隐藏所有实现详细信息。但是，某些客户端可能需要访问数据文件中的项目配置数据。

在本文档中，我们扩展了公共 API 以定义数据模型和访问方法，客户端可以使用这些模型和方法访问项目配置数据。

EyeofcloudConfig API

公共配置数据模型（EyeofcloudConfig）在下面定义为静态Eyeofcloud项目数据的结构化格式。

获取云眼配置

EyeofcloudConfig可以通过以下公共API调用从EyeofcloudClient（顶级）访问：

Rubby

def get_eyeofcloud_config

getEyeofcloudConfig 返回一个EyeofcloudConfig实例，其中包括

• 环境键
• 开发工具包密钥
• 数据文件修订号
• 按其键值映射的所有实验
• 所有属性
• 所有受众
• 所有活动
• 按其键值映射的灰度发布（特性标帜）
• 检索项目配置（数据文件）的函数

📘 注意

当 SDK 数据文件更新时（客户端可以为EYEOFCLOUD_CONFIG_UPDATE添加通知侦听器以获取通知），客户端应调用该方法以获取更新的 EyeofcloudConfig 数据。请参阅以下示例。

获取数据文件

要在多个 SDK 实例之间共享同一数据文件（例如，在客户端/服务器方案中），可以在实例之间传递配置（数据文件）的 JSON 字符串表示形式。若要获取数据文件，请使用EyeofcloudConfig对象的getDatafile方法。有关更多信息，请参阅与多个 SDK 实现共享数据文件。

对象模型

下面显示了 EyeofcloudConfig 的对象模型。

Ruby - 对象模型

# [EyeofcloudConfig] is a hash describing the current project configuration data 
# being used by this SDK instance. The hash consists of:  

revision - string 
sdkKey - string 
environmentKey - string  

# This experimentsMap is for experiments of legacy projects only. 
# For flag projects, experiment keys are not guaranteed to be unique  
# across multiple flags, so this map may not include all experiments  
# when keys conflict.  
experimentsMap - hash of experiment key to EyeofcloudExperiment  
featuresMap - hash of feature flag key to EyeofcloudFeature 
attributes - list of attributes 
audiences - list of all audiences 
events - list of events  

# [EyeofcloudFeature] is a hash describing a feature flag. The hash consists of:  

id - string 
key - string 
experimentRules - list of eyeofcloud feature experiments 
deliveryRules - list of eyeofcloud rollout experiments  

# Deprecated. Use experimentRules and deliveryRules instead.  
experimentsMap - hash of experiment key to EyeofcloudExperiment  
variablesMap - hash of variable key to EyeofcloudVariable   

# [EyeofcloudExperiment] is a hash describing an experiment. The hash consists of:  
id - string 
key - string 
audiences - list of serialized audiences 
variationMap - hash of variation key to EyeofcloudVariation   

# [EyeofcloudVariation] is a hash describing a variation in an experiment. The hash consists of:  
id - string 
key - string 
featureEnabled - bool 
variablesMap - hash of variable key to EyeofcloudVariable   

# [EyeofcloudVariable] is a hash describing a feature flag variable. The hash consists of:  
id - string 
key - string 
type - string 
value - string  

# [EyeofcloudAttribute] is a hash describing an attribute. The hash consists of:  
id - string 
key - string  

# [EyeofcloudAudience] is a hash describing an audience. The hash consists of:  
id - string 
name - string 
conditions - string  

# [EyeofcloudEvent] is a hash describing an event. The hash consists of:  
id - string 
key - string 
experimentIds - list of experiemnt ids

例子

EyeofcloudConfig可以从EyeofcloudClient（顶级）访问，如下所示：

Rubby

config = eyeofcloud_instance.get_eyeofcloud_config  

revision = config['revision'] 
sdk_key = config['sdkKey'] 
evironnment_key = config['environmentKey']  

#all audiences 
audiences = config['audiences']  

#all attributes 
attributes = config['attributes']  

#all events 
events = config['events']  

# all feature flags  
features_map = config['featuresMap'] 
features = features_map.values 
feature_keys = features_map.keys  

feature_keys.each do |flag_key|   
    flag = features_map[flag_key]   
    delivery_rules = flag['deliveryRules']   
    experiment_rules = flag['experimentRules']      
    
    # use experiment rules and delivery rules and other flag data here...    
    experiment_rules.each do |experiment|     
        experiment_key = experiment['key']     
        audiences = experiment['audiences']     
        variations_map = experiment['variationsMap']     
        variations_keys = variations_map.keys

        variations_keys.each do |variation_key|       
            variation = variations_map[variation_key]       
            variables_map = variation['variablesMap']       
            variables_map.each do |variable_key|         
                variable = variables_map[variable_key]       
            end     
        end   
    end    
    
    delivery_rules.each do |delivery|     
        delivery_key = delivery['key']     
        audiences = delivery['audiences']     
        # use delivery rule data here...   
    end 
end  

# listen to EYEOFCLOUD_CONFIG_UPDATE to get updated data 
eyeofcloud_instance.notification_center.add_notification_listener( Eyeofcloud::NotificationCenter::NOTIFICATION_TYPES[:EYEOFCLOUD_CONFIG_UPDATE] 
) do |*args|   
    config = eyeofcloud_instance.get_eyeofcloud_config 
end