Querying a Stack Element List

Function

This API is used to query a stack element list.

URI

GET /v2/stacks/{stack_id}/elements

**Table 1** Parameter description
Parameter	Mandatory	Description
stack_id	Yes	Stack ID, which supports a maximum of 64 characters
element_type	No	Stack element type, such as Application, SoftwareComponent, Service, AppGroup, Port, Cluster, or Volume. Other types can also be the types defined in the template. The value supports a maximum of 64 characters.

Request

N/A

Response message.

Response Parameters

A response parameter is a stack element structure list or response structure.

The stack element structure list is returned when the query is successful.
The failure response structure is returned when the query fails.

Table 5 shows the structure of a failure response.

**Table 2** Response Parameters
Parameter	Type	Description
[Array element]	Array of objects	Each element in the array indicates the details about an element in the stack. For details, see Table 3.

**Table 3** Stack element details
Parameter	Type	Description
id	String	Element name
description	String	Element description
properties	Object	Element attribute, which corresponds to the template content
runtime_properties	Object	Element runtime attribute
relationships	Object	Relationships between elements. For details, see Table 4.
stack_id	String	Stack guid to which the element belongs
type	String	Element type
create_at	String	Element creation time
update_at	String	Element update time
type_hierarchy	String	Stack element type
charge_mode	String	Element billing mode
min_duration	Integer	Minimum lifecycle duration
max_duration	Integer	Maximum lifecycle duration
deletion_policy	String	Element deletion policy
action_status	Object	Status of a stack element. For details, see Table 5.

**Table 4** Stack Nodes Relationship structure
Parameter	Type	Description
name	String	Relationship name
type	String	Relationship type
target_id	String	Name of the target node of a relationship
type_hierarchy	Array of strings	Inherited structure of the relationship
properties	Object	Attribute of a relationship. The attribute contains a key whose name is connection_type and the type is string, and indicates the connection type of the relationship.

**Table 5** Data structure of the action_status field
Parameter	Type	Description
subActionName	String	Name of an element suboperation.
phase	String	Stack execution status. The status can be succeeded, executing, suspended, canceled, canceling, forcibly canceling, suspending, retrying, or running. For details, see Table 10.
createAt	String	UTC timestamp of the information creation in the RFC3339 format.
updateAt	String	UTC timestamp of the information update in the RFC3339 format.

Example Response

[
    {
        "id": "subnet",
        "stack_id": "a067769b-c1bb-11ea-8a77-0255ac1003d8",
        "relationships": [
            {
                "name": "vpcId",
                "type": "HuaweiCloud.Relationships.ContainedIn",
                "type_hierarchy": [
                    "HuaweiCloud.Relationships.Root",
                    "HuaweiCloud.Relationships.DependsOn",
                    "HuaweiCloud.Relationships.ContainedIn"
                ],
                "properties": {},
                "target_id": "vpc"
            }
        ],
        "type_hierarchy": [
            "HuaweiCloud.Node.Root",
            "HuaweiCloud.VPC.Subnet"
        ],
        "properties": {
            "cidr": "192.168.1.0/24",
            "dhcpEnable": true,
            "gateway": "192.168.1.1",
            "name": "dfsdf",
            "vpcId": {
                "get_attribute": [
                    "vpc",
                    "refID"
                ]
            }
        },
        "type": "HuaweiCloud.VPC.Subnet",
        "runtime_properties": {
            "neutron_network_id": "940bb729-260c-44fe-ab40-e98367865530",
            "neutron_subnet_id": "dc893222-ab37-4358-b162-3316c97c4958",
            "refID": "940bb729-260c-44fe-ab40-e98367865530",
            "refName": "dfsdf",
            "vpcId": "f78881f0-2944-44d4-9325-966f5f30369e"
        },
        "action_status": {
            "subActionName": "create",
            "phase": "Succeeded",
            "updateAt": "2020-07-09T08:10:26.830795Z",
            "createAt": "2020-07-09T08:10:22.270746Z"
        },
        "create_at": "2020-07-09T08:10:18Z",
        "update_at": "2020-07-09T08:10:18Z"
    },
    {
        "id": "vpc",
        "stack_id": "a067769b-c1bb-11ea-8a77-0255ac1003d8",
        "relationships": [],
        "type_hierarchy": [
            "HuaweiCloud.Node.Root",
            "HuaweiCloud.VPC.VPC"
        ],
        "properties": {
            "cidr": "192.168.0.0/16",
            "name": "sdfs"
        },
        "type": "HuaweiCloud.VPC.VPC",
        "runtime_properties": {
            "refID": "f78881f0-2944-44d4-9325-966f5f30369e",
            "refName": "sdfs"
        },
        "action_status": {
            "subActionName": "create",
            "phase": "Succeeded",
            "updateAt": "2020-07-09T08:10:22.270648Z",
            "createAt": "2020-07-09T08:10:18.278579Z"
        },
        "create_at": "2020-07-09T08:10:18Z",
        "update_at": "2020-07-09T08:10:18Z"
    }
]