Get a lifecycle policy for a bucket

View the lifecycle configuration of a Cloud Storage bucket.

Explore further

For detailed documentation that includes this code sample, see the following:

Manage object lifecycles

Code sample

C++

For more information, see the Cloud Storage C++ API reference documentation .

To authenticate to Cloud Storage, set up Application Default Credentials. For more information, see Set up authentication for client libraries .

  namespace 
  
 gcs 
  
 = 
  
 :: 
 google 
 :: 
 cloud 
 :: 
 storage 
 ; 
 using 
  
 :: 
 google 
 :: 
 cloud 
 :: 
 StatusOr 
 ; 
 []( 
 gcs 
 :: 
 Client 
  
 client 
 , 
  
 std 
 :: 
 string 
  
 const 
&  
 bucket_name 
 ) 
  
 { 
  
 StatusOr<gcs 
 :: 
 BucketMetadata 
>  
 updated_metadata 
  
 = 
  
 client 
 . 
 GetBucketMetadata 
 ( 
 bucket_name 
 ); 
  
 if 
  
 ( 
 ! 
 updated_metadata 
 ) 
  
 throw 
  
 std 
 :: 
 move 
 ( 
 updated_metadata 
 ). 
 status 
 (); 
  
 if 
  
 ( 
 ! 
 updated_metadata 
 - 
> has_lifecycle 
 () 
  
 || 
  
 updated_metadata 
 - 
> lifecycle 
 (). 
 rule 
 . 
 empty 
 ()) 
  
 { 
  
 std 
 :: 
 cout 
 << 
 "Bucket lifecycle management is not enabled for bucket " 
 << 
 updated_metadata 
 - 
> name 
 () 
 << 
 ". 
 \n 
 " 
 ; 
  
 return 
 ; 
  
 } 
  
 std 
 :: 
 cout 
 << 
 "Bucket lifecycle management is enabled for bucket " 
 << 
 updated_metadata 
 - 
> name 
 () 
 << 
 ". 
 \n 
 " 
 ; 
  
 std 
 :: 
 cout 
 << 
 "The bucket lifecycle rules are" 
 ; 
  
 for 
  
 ( 
 auto 
  
 const 
&  
 kv 
  
 : 
  
 updated_metadata 
 - 
> lifecycle 
 (). 
 rule 
 ) 
  
 { 
  
 std 
 :: 
 cout 
 << 
 " 
 \n 
 " 
 << 
 kv 
 . 
 condition 
 () 
 << 
 ", " 
 << 
 kv 
 . 
 action 
 (); 
  
 } 
  
 std 
 :: 
 cout 
 << 
 " 
 \n 
 " 
 ; 
 }

What's next

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