Deleting an Object (SDK for Go)
Function
This API deletes an object in the specified bucket to save space and costs.
Restrictions
- To delete an object, you must be the bucket owner or have the required permission (obs:object:DeleteObject in IAM or DeleteObject in a bucket policy).
- The mapping between OBS regions and endpoints must comply with what is listed in Regions and Endpoints.
- If versioning is not enabled for a bucket, deleted objects cannot be recovered.
Method
func (obsClient ObsClient) DeleteObject(input *DeleteObjectInput) (output *DeleteObjectOutput, err error)
Request Parameters
Parameter |
Type |
Mandatory (Yes/No) |
Description |
---|---|---|---|
input |
Yes |
Request parameters for deleting an object |
Parameter |
Type |
Mandatory (Yes/No) |
Description |
---|---|---|---|
Bucket |
string |
Yes |
Explanation: Bucket name Restrictions:
Default value: None |
Key |
string |
Yes |
Explanation: Target object name An object is uniquely identified by an object name in a bucket. An object name is a complete path that does not contain the bucket name. For example, if the address for accessing the object is examplebucket.obs.ap-southeast-1.myhuaweicloud.com/folder/test.txt, the object name is folder/test.txt. Value range: The value must contain 1 to 1,024 characters. Default value: None |
VersionId |
string |
No |
Explanation: ID of the object version to delete, for example, G001117FCE89978B0000401205D5DC9 Value range: The value must contain 32 characters. Default value: None. If this parameter is left blank, the latest version of the object is deleted. |
Responses
Parameter |
Type |
Description |
---|---|---|
output |
Explanation: Returned results. For details, see Table 4. |
|
err |
error |
Explanation: Error messages returned by the API |
Parameter |
Type |
Description |
---|---|---|
StatusCode |
int |
Explanation: HTTP status code Value range: A status code is a group of digits that can be 2xx (indicating successes) or 4xx or 5xx (indicating errors). It indicates the status of a response. For more information, see Status Code. Default value: None |
RequestId |
string |
Explanation: Request ID returned by the OBS server Default value: None |
ResponseHeaders |
map[string][]string |
Explanation: HTTP response headers Default value: None |
DeleteMarker |
bool |
Explanation: Whether the deleted object is a delete marker Value range:
Default value: false |
VersionId |
string |
Explanation: ID of the object version to delete, for example, G001117FCE89978B0000401205D5DC9 Value range: The value must contain 32 characters. Default value: None. If this parameter is left blank, the latest version of the object is deleted. |
Code Examples
This example deletes object example/objectname from bucket examplebucket.
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package main import ( "fmt" "os" obs "github.com/huaweicloud/huaweicloud-sdk-go-obs/obs" ) func main() { //Obtain an AK/SK pair using environment variables or import an AK/SK pair in other ways. Using hard coding may result in leakage. //Obtain an AK/SK pair on the management console. For details, see https://support.huaweicloud.com/intl/en-us/usermanual-ca/ca_01_0003.html. ak := os.Getenv("AccessKeyID") sk := os.Getenv("SecretAccessKey") // (Optional) If you use a temporary AK/SK pair and a security token to access OBS, you are advised not to use hard coding to reduce leakage risks. You can obtain an AK/SK pair using environment variables or import an AK/SK pair in other ways. // securityToken := os.Getenv("SecurityToken") // Enter the endpoint corresponding to the bucket. CN-Hong Kong is used here as an example. Replace it with the one currently in use. endPoint := "https://obs.ap-southeast-1.myhuaweicloud.com" // Create an obsClient instance. // If you use a temporary AK/SK pair and a security token to access OBS, use the obs.WithSecurityToken method to specify a security token when creating an instance. obsClient, err := obs.New(ak, sk, endPoint/*, obs.WithSecurityToken(securityToken)*/) if err != nil { fmt.Printf("Create obsClient error, errMsg: %s", err.Error()) } input := &obs.DeleteObjectInput{} // Specify a bucket name. input.Bucket = "examplebucket" // Specify the object (example/objectname as an example) to delete. input.Key = "example/objectname" // Delete the object. output, err := obsClient.DeleteObject(input) if err == nil { fmt.Printf("Delete object(%s) under the bucket(%s) successful!\n", input.Key, input.Bucket) fmt.Printf("RequestId:%s\n", output.RequestId) return } fmt.Printf("Delete object(%s) under the bucket(%s) fail!\n", input.Key, input.Bucket) if obsError, ok := err.(obs.ObsError); ok { fmt.Println("An ObsError was found, which means your request sent to OBS was rejected with an error response.") fmt.Println(obsError.Error()) } else { fmt.Println("An Exception was found, which means the client encountered an internal problem when attempting to communicate with OBS, for example, the client was unable to access the network.") fmt.Println(err) } } |
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