Gets a list of layer versions.
Debugging
Authorization information
The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action
policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:
- Operation: the value that you can use in the Action element to specify the operation on a resource.
- Access level: the access level of each operation. The levels are read, write, and list.
- Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- The required resource types are displayed in bold characters.
- If the permissions cannot be granted at the resource level,
All Resources
is used in the Resource type column of the operation.
- Condition Key: the condition key that is defined by the cloud service.
- Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
Operation | Access level | Resource type | Condition key | Associated operation |
---|---|---|---|---|
fc:ListLayerVersions | get |
|
| none |
Request syntax
GET /2021-04-06/layers/{layerName}/versions HTTP/1.1
Request parameters
Parameter | Type | Required | Description | Example |
---|---|---|---|---|
layerName | string | Yes | The layer name. You can query only custom layer versions. You cannot query versions of official public layers. | MyLayer |
startVersion | integer | No | The initial version of the layer. | 1 |
limit | integer | No | The maximum number of resources to return. Default value: 20. The value cannot exceed 100. The number of returned configurations is less than or equal to the specified number. | 20 |
X-Fc-Account-Id | string | No | The ID of your Alibaba Cloud account. | 188077086902**** |
X-Fc-Date | string | No | The time when the operation is called. The format is: EEE,d MMM yyyy HH:mm:ss GMT. | Wed, 11 May 2022 09:00:00 GMT |
X-Fc-Trace-Id | string | No | The trace ID of the request for Function Compute API. | rid281s****** |
Response parameters
Examples
Sample success responses
JSON
format
{
"layers": [
{
"layerName": "MyLayer",
"version": 1,
"description": "the first layer",
"code": {
"repositoryType": "OSS",
"location": "https://xyz.oss-cnxxx.aliyuncs.com/xxx/xxx/xxx"
},
"codeSize": 421,
"codeChecksum": "2825179536350****",
"createTime": "2022-01-01T11:08:00Z",
"acl": 0,
"arn": "xxxxxxxx#Layer-name#1",
"arnV2": "acs:fc:cn-beijing:186824xxxxxx:layers/fc_layer/versions/1",
"license": "MIT",
"compatibleRuntime": [
"python3"
]
}
],
"nextVersion": 21
}
Error codes
For a list of error codes, visit the Service error codes.
Change history
Change time | Summary of changes | Operation |
---|---|---|
2021-06-29 | The request parameters of the API has changed | View Change Details |
2021-06-29 | The request parameters of the API has changed | View Change Details |
2021-06-29 | The request parameters of the API has changed | View Change Details |