Update show-datamodel-api spec

1. Update sample command for show-datamodel-api.
2. Modify REST API return value example.

Change-Id: I19593c3d4892e0e2c3d4e1cd08b47cf80167ebd8
This commit is contained in:
chenke 2019-08-20 17:21:03 +08:00
parent 26f3881d8f
commit 8bd1829204

View File

@ -14,10 +14,11 @@ https://blueprints.launchpad.net/watcher/+spec/show-datamodel-api
Problem description
===================
The datamodel is very important for Watcher to generate resource
The data model is very important for Watcher to generate resource
optimization solutions. Currently, it can only be found by looking at
the log file, which is very inconvenient. Therefore, it is necessary
to add an api to facilitate the user to quickly view the datamodel.
to add an api to facilitate the user to quickly view the current datamodel
in memory.
Use Cases
----------
@ -36,16 +37,18 @@ about the datamodel, then parses and returns.
The command line interface used in watcherclient could be like this:
* watcher datamodel list [--audit <audit_id>]
* openstack optimize datamodel list [--audit <audit_uuid>]
* [--type <type>] [--detail]
In watcherclient, we can add **"datamodel.py,datamodel_shell.py"** to send
In watcherclient, we can add **"data_model.py,data_model_shell.py"** to send
datamodel list request and receive the result.
In watcher-api, we can add **"datamodel.py"** to recieve the
In watcher-api, we can add **"data_model.py"** to recieve the
python-watcherclient's request and call watcher-decision-engine module.
In watcher-decision-engine, we can get datamodel data according to the
specified scope, then parses the datamodel and return to watcher-api.
specified scope and the type, then parses the datamodel and return to
watcher-api.
Alternatives
------------
@ -60,9 +63,9 @@ None
REST API impact
---------------
Add following **datamodel** REST:
Add following **data model** REST:
* GET /v1/datamodels
* GET /v1/data_model
* Normal http response code(200)
* Expected error http response code(400,401)
@ -70,106 +73,71 @@ Add following **datamodel** REST:
* Request
* **audit_uuid (Optional)**: UUID of an audit
* **type (Optional)**: Type of data model user want to list
* Response
* **instance_uuid**: UUID of an instance
* **node_uuid**: UUID of an compute node
* **instance_state**: state of instance
* **node_state**: state of compute node
* GET /v1/datamodels/detail
* Normal http response code(200)
* Expected error http response code(400,401)
* Request
* **audit_uuid (Optional)**: UUID of an audit
* Response
* **instance_uuid**: UUID of an instance
* **instance_state**: state of instance
* **instance_name**: name of instance
* **instance_vcpus**: number of instance vcpus
* **instance_memory**: memory of instance
* **instance_disk**: disk of instance
* **instance_disk_capacity**: disk capacity of instance
* **node_uuid**: UUID of an compute node
* **node_state**: state of compute node
* **node_name**: name of node
* **node_vcpus**: number of compute node vcpus
* **server_uuid**: UUID of server
* **server_name**: name of server
* **server_vcpus**: number of server vcpus
* **server_memory**: memory of server
* **server_disk**: disk of server
* **server_state**: state of server
* **node_uuid**: UUID of node
* **node_hostname**: name of node
* **node_vcpus**: number of node vcpus
* **node_vcpu_ratio**: vcpu ratio of node
* **node_memory**: memory of node
* **node_memory_ratio**: memory ratio of node
* **node_disk**: disk of node
* **node_disk_capacity**: disk capacity of node
* **node_disk_ratio**: disk ratio of node
* **node_state**: state of node
* Example JSON representation of Datamodel
* Example JSON representation of compute data model
::
{
"compute": [
"context": [
{
"node_uuid": "90d7da5c-d432-4eba-89b4-743c9f1e6cfa",
"node_name": "node_1",
"node_vcpus": 48,
"node_memory": "4096",
"node_disk": "40",
"node_disk_capacity": "60"
"servers": [
{
"instance_uuid": "9e7cbe91-b391-4394-a42c-68996a4fd555",
"instance_state": "active",
"instance_name": "vm_4",
"instance_vcpus": 16,
"instance_memory": "2048",
"instance_disk": "10",
"instance_disk_capacity": "35",
"server_uuid": "1bf91464-9b41-428d-a11e-af691e5563bb",
"server_name": "chenke-test1",
"server_vcpus": "1",
"server_memory": "512",
"server_disk": "1",
"server_state": "active",
"node_uuid": "253e5dd0-9384-41ab-af13-4f2c2ce26112",
"node_hostname": "localhost.localdomain",
"node_vcpus": "4",
"node_vcpu_ratio": "16.0",
"node_memory": "16383",
"node_memory_ratio": "1.5",
"node_disk": "37"
"node_disk_ratio": "1.0",
"node_state": "up",
},
{
"instance_uuid": "8e7cbe91-b391-4394-a42c-68996a4fd555",
"instance_state": "active",
"instance_name": "vm_5",
"instance_vcpus": 16,
"instance_memory": "2048",
"instance_disk": "10",
"instance_disk_capacity": "35",
}
]
},
{
"node_uuid": "78d7da5c-d432-4eba-89b4-743c9f1e6cfa",
"node_name": "node_2",
"node_vcpus": 96,
"node_memory": "4096",
"node_disk": "60",
"node_disk_capacity": "60"
"servers": [
{
"instance_uuid": "6b7cbe91-b391-4394-a42c-68996a4fd55b",
"instance_state": "active",
"instance_name": "vm_1",
"instance_vcpus": 32,
"instance_memory": "2048",
"instance_disk": "10",
"instance_disk_capacity": "35",
},
{
"instance_uuid": "527cbe91-b391-4394-a42c-68996a4fd5e7",
"instance_state": "active",
"instance_name": "vm_2",
"instance_vcpus": 16,
"instance_memory": "2048",
"instance_disk": "10",
"instance_disk_capacity": "35",
}
]
"server_uuid": "e2cb5f6f-fa1d-4ba2-be1e-0bf02fa86ba4",
"server_name": "chenke-test2",
"server_vcpus": "1",
"server_memory": "512",
"server_disk": "1",
"server_state": "active",
"node_uuid": "253e5dd0-9384-41ab-af13-4f2c2ce26112",
"node_hostname": "localhost.localdomain",
"node_vcpus": "4",
"node_vcpu_ratio": "16.0",
"node_memory": "16383",
"node_memory_ratio": "1.5",
"node_disk": "37"
"node_disk_ratio": "1.0",
"node_state": "up",
}
]
}
Security impact
---------------
@ -191,7 +159,7 @@ in python-watcherclient:
and add the **audit** parameter to filter the datamodel in the
specified scope:
* watcher datamodel list [--audit <audit_id>]
* watcher datamodel list [--audit <audit_uuid>]
Performance Impact
------------------
@ -250,7 +218,7 @@ Documentation Impact
====================
* A documentation explaining how to use
**watcher datamodel list [--audit <audit_id>]**
**watcher datamodel list [--audit <audit_uuid>] [--type <type>] [--detail]**
* Update API Reference
@ -266,4 +234,14 @@ None
History
=======
None
.. list-table:: Revisions
:header-rows: 1
* - Release Name
- Description
* - Stein
- Introduced
* - Train
- Updated