对象标签和生命周期管理
生命周期规则可针对前缀或对象标签生效,您也可以同时指定两者作为生命周期规则生效的条件。
说明 Tag条件中,标签的Key和Value必须同时匹配。同一个规则中,若同时配置了前缀和多个对象标签,则对象需满足前缀,且同时匹配规则中所有对象标签,才视为适用于该规则。
生命周期规则中添加标签匹配规则
以下代码用于生命周期规则中添加标签匹配规则:
#include <alibabacloud/oss/OssClient.h>
using namespace AlibabaCloud::OSS;
int main(void)
{
/* 初始化OSS账号信息 */
std::string AccessKeyId = "yourAccessKeyId";
std::string AccessKeySecret = "yourAccessKeySecret";
std::string Endpoint = "yourEndpoint";
std::string BucketName = "yourBucketName";
/* 初始化网络等资源 */
InitializeSdk();
ClientConfiguration conf;
OssClient client(Endpoint, AccessKeyId, AccessKeySecret, conf);
SetBucketLifecycleRequest request(BucketName);
/* 设置标签规则 */
Tagging tagging;
tagging.addTag(Tag("key1", "value1"));
tagging.addTag(Tag("key2", "value2"));
/* 指定生命周期 */
auto rule1 = LifecycleRule();
rule1.setID("rule1");
rule1.setPrefix("test1/");
rule1.setStatus(RuleStatus::Enabled);
rule1.setExpiration(3);
rule1.setTags(tagging.Tags());
/* 在生命周期规则中设置标签信息 */
LifecycleRuleList list{rule1};
request.setLifecycleRules(list);
auto outcome = client.SetBucketLifecycle(request);
if (!outcome.isSuccess()) {
/* 异常处理 */
std::cout << "SetBucketLifecycle fail" <<
",code:" << outcome.error().Code() <<
",message:" << outcome.error().Message() <<
",requestId:" << outcome.error().RequestId() << std::endl;
ShutdownSdk();
return -1;
}
/* 释放网络等资源 */
ShutdownSdk();
return 0;
}
查看生命周期规则中匹配的标签信息
以下代码用于查看生命周期规则中匹配的标签信息:
#include <alibabacloud/oss/OssClient.h>
using namespace AlibabaCloud::OSS;
int main(void)
{
/* 初始化OSS账号信息 */
std::string AccessKeyId = "yourAccessKeyId";
std::string AccessKeySecret = "yourAccessKeySecret";
std::string Endpoint = "yourEndpoint";
std::string BucketName = "yourBucketName";
/* 初始化网络等资源 */
InitializeSdk();
ClientConfiguration conf;
OssClient client(Endpoint, AccessKeyId, AccessKeySecret, conf);
/* 查看生命周期规则,包含涉及的标签信息 */
auto outcome = client.GetBucketLifecycle(BucketName);
if (outcome.isSuccess()) {
std::cout << "GetBucketLifecycle success," << std::endl;
for (auto const rule : outcome.result().LifecycleRules()) {
std::cout << "rule:" << rule.ID() << "," << rule.Prefix() << "," << rule.Status() << ","
"hasExpiration:" << rule.hasExpiration() << "," <<
"hasTransitionList:" << rule.hasTransitionList() << "," << std::endl;
auto taglist = rule.Tags();
for (const auto& tag : taglist)
{
std::cout <<"GetBucketLifecycle tag success, Key:"
<< tag.Key() << "; Value:" << tag.Value() << std::endl;
}
}
}
else {
/* 异常处理 */
std::cout << "GetBucketLifecycle fail" <<
",code:" << outcome.error().Code() <<
",message:" << outcome.error().Message() <<
",requestId:" << outcome.error().RequestId() << std::endl;
ShutdownSdk();
return -1;
}
/* 释放网络等资源 */
ShutdownSdk();
return 0;
}
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