设置生命周期规则
开发过程中,您有任何问题可以在github上提交issue,或者在华为云对象存储服务论坛中发帖求助。接口参考文档详细介绍了每个接口的参数和使用方法。
您可以通过ObsClient.SetBucketLifecycle设置桶的生命周期规则。
设置对象转换策略
// 初始化配置参数
ObsConfig config = new ObsConfig();
config.Endpoint = "https://your-endpoint";
// 认证用的ak和sk硬编码到代码中或者明文存储都有很大的安全风险,建议在配置文件或者环境变量中密文存放,使用时解密,确保安全;本示例以ak和sk保存在环境变量中为例,运行本示例前请先在本地环境中设置环境变量AccessKeyID和SecretAccessKey。
// 您可以登录访问管理控制台获取访问密钥AK/SK,获取方式请参见https://support.huaweicloud.com/usermanual-ca/ca_01_0003.html
string accessKey= Environment.GetEnvironmentVariable("AccessKeyID", EnvironmentVariableTarget.Machine);
string secretKey= Environment.GetEnvironmentVariable("SecretAccessKey", EnvironmentVariableTarget.Machine);
// 创建ObsClient实例
ObsClient client = new ObsClient(accessKey, secretKey, config);
//设置对象转换策略
try
{
SetBucketLifecycleRequest request = new SetBucketLifecycleRequest();
request.BucketName = "bucketname";
request.Configuration = new LifecycleConfiguration();
LifecycleRule rule1 = new LifecycleRule();
rule1.Id = "rule1";
rule1.Prefix = "prefix";
rule1.Status = RuleStatusEnum.Enabled;
Transition transition = new Transition();
rule1.Transitions.Add(transition);
// 指定满足前缀的对象创建30天后转换
transition.Days = 30;
// 指定对象转换后的存储类型
transition.StorageClass = StorageClassEnum.Warm;
NoncurrentVersionTransition noncurrentVersionTransition = new NoncurrentVersionTransition();
rule1.NoncurrentVersionTransitions.Add(noncurrentVersionTransition);
// 指定满足前缀的对象成为历史版本60天后转换
noncurrentVersionTransition.NoncurrentDays = 60;
// 指定历史版本对象转换后的存储类型
noncurrentVersionTransition.StorageClass = StorageClassEnum.Warm;
request.Configuration.Rules.Add(rule1);
SetBucketLifecycleResponse response = client.SetBucketLifecycle(request);
Console.WriteLine("Set bucket lifecycle response: {0}", response.StatusCode);
}
catch (ObsException ex)
{
Console.WriteLine("ErrorCode: {0}", ex.ErrorCode);
Console.WriteLine("ErrorMessage: {0}", ex.ErrorMessage);
}
设置对象过期时间
以下代码展示了如何设置最新版本对象和历史版本对象的过期时间:
// 初始化配置参数
ObsConfig config = new ObsConfig();
config.Endpoint = "https://your-endpoint";
// 认证用的ak和sk硬编码到代码中或者明文存储都有很大的安全风险,建议在配置文件或者环境变量中密文存放,使用时解密,确保安全;本示例以ak和sk保存在环境变量中为例,运行本示例前请先在本地环境中设置环境变量AccessKeyID和SecretAccessKey。
// 您可以登录访问管理控制台获取访问密钥AK/SK,获取方式请参见https://support.huaweicloud.com/usermanual-ca/ca_01_0003.html
string accessKey= Environment.GetEnvironmentVariable("AccessKeyID", EnvironmentVariableTarget.Machine);
string secretKey= Environment.GetEnvironmentVariable("SecretAccessKey", EnvironmentVariableTarget.Machine);
// 创建ObsClient实例
ObsClient client = new ObsClient(accessKey, secretKey, config);
// 设置对象过期时间
try
{
SetBucketLifecycleRequest request = new SetBucketLifecycleRequest();
request.BucketName = "bucketname";
request.Configuration = new LifecycleConfiguration();
LifecycleRule rule1 = new LifecycleRule();
rule1.Id = "rule1";
rule1.Prefix = "prefix";
rule1.Status = RuleStatusEnum.Enabled;
rule1.Expiration = new Expiration();
//指定满足前缀的对象创建60天后过期
rule1.Expiration.Days = 60;
// 指定满足前缀的对象成为历史版本60天后过期
rule1.NoncurrentVersionExpiration = new NoncurrentVersionExpiration();
rule1.NoncurrentVersionExpiration.NoncurrentDays = 60;
request.Configuration.Rules.Add(rule1);
SetBucketLifecycleResponse response = client.SetBucketLifecycle(request);
Console.WriteLine("Set bucket lifecycle response: {0}", response.StatusCode);
}
catch (ObsException ex)
{
Console.WriteLine("ErrorCode: {0}", ex.ErrorCode);
Console.WriteLine("ErrorMessage: {0}", ex.ErrorMessage);
}
- 调用设置生命周期规则后会将原有规则覆盖。