GetInstanceConsoleOutput - Elastic Compute Service - Alibaba Cloud Documentation Center

Queries the command output of an Elastic Compute Service (ECS) instance. The returned command output is encoded in Base64.

Operation description

ECS is a virtualized cloud-based service and cannot be connected to display devices. Alibaba Cloud caches system command outputs for the last start, restart, or shutdown of ECS instances. You can call the GetInstanceConsoleOutput operation to query the command outputs.
For instances of the retired instance types, you cannot obtain command outputs. For more information, see Retired instance types.
You cannot obtain the command outputs of Windows instances.

Debugging

You can run this interface directly in OpenAPI Explorer, saving you the trouble of calculating signatures. After running successfully, OpenAPI Explorer can automatically generate SDK code samples.

Debug

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
ecs:GetInstanceConsoleOutput	get	*Instance `acs:ecs:{#regionId}:{#accountId}:instance/{#instanceId}`	none	none

Request parameters

Parameter	Type	Required	Description	Example
RegionId	string	Yes	The region ID of the instance. You can call the DescribeRegions operation to query the most recent region list.	cn-hangzhou
InstanceId	string	Yes	The instance ID.	i-bp1c1xhsrac2coiw****
RemoveSymbols	boolean	No	Specifies whether to remove formatting symbols from the returned command output. Valid values: true false Default value: false.	false

Response parameters

Parameter	Type	Description	Example
	object
LastUpdateTime	string	The time when the last log entry was generated in the Linux kernel. The time follows the ISO 8601 standard in the yyyy-MM-ddThh:mmZ format. The time is displayed in UTC+8.	2018-03-22 10:04:57
RequestId	string	The request ID.	473469C7-AA6F-4DC5-B3DB-A3DC0DE3C83E
InstanceId	string	The instance ID.	i-bp1c1xhsrac2coiw****
ConsoleOutput	string	The Base64-encoded command output of the instance.	V2VsY29tZSB0byBDZW50T1MgCgpDaGVja2luZyBmaWxlc3lzdGVtcwpDaGVja2luZyBhbGwgZmlsZSBzeXN0ZW1zLgpbL3NiaW4vZnNjay5leHQ0ICgxKSAtLSAvXSBmc2NrLmV4dDQgLWEgL2Rldi92ZGExIAovZGV2L3ZkYTE6IGNsZWFuLCAzMjAxNi8yNjIxNDQwIGZpbGVzLCA0NDc5NzQvMTA0ODU1MDQgYmxvY2tzCgpFbnRlcmluZyBub24taW50ZXJhY3RpdmUgc3RhcnR1cApDYWxsaW5nIHRoZSBzeXN0ZW0gYWN0aXZpdHkgZGF0YSBjb2xsZWN0b3IgKHNhZGMpLi4uIAoKQnJpbmdpbmcgdXAgaW50ZXJmYWNlIGV0aDA6ICAKRGV0ZXJtaW5pbmcgSVAgaW5mb3JtYXRpb24gZm9yIGV0aDAuLi4gZG9uZS4KCmFsaXl1bi1zZXJ2aWNlIHN0YXJ0L3J1bm5pbmcsIHByb2Nlc3MgMTczMwpmaW5pc2hlZAoKQ2VudE9TIHJlbGVhc2UgNi44IChGaW5hbCkKS2VybmVsIDIuNi4zMi02OTYuMy4yLmVsNi5pNjg2IG9uIGFuIGk2ODYKCmlaMnplZDk2ZTQ2MmF5cjBxeioqKioqIGxvZ2luOg==

Examples

Sample success responses

JSONformat

{
  "LastUpdateTime": "2018-03-22 10:04:57",
  "RequestId": "473469C7-AA6F-4DC5-B3DB-A3DC0DE3C83E",
  "InstanceId": "i-bp1c1xhsrac2coiw****",
  "ConsoleOutput": "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"
}

Error codes

HTTP status code	Error code	Error message	Description
400	MissingParameter	%s	A parameter is not specified.
404	InvalidParameter	%s	The specified parameter is invalid.
405	IncorrectInstanceStatus	%s	The instance is in a state that does not support the current operation.
405	NotSupported	%s	Your operation is invalid.
429	Throttling	%s	Your request is being throttled.

For a list of error codes, visit the Service error codes.

Change history

Change time	Summary of changes	Operation
2024-12-05	API Description Update. The Error code has changed	View Change Details