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Request URI:
POST http://{msb ip}:{msb port}/api/multicloud/v1/cost_evaluation
Request body:
[
{
"cloud-owner": "owner1",
"cloud-region-id": "region1",
"directives":[
{
"vnfc_directives":[
{
"vnfc_id":"<ID of VNFC>", /*optional, but keep aligned to OOF/SO/MC API to make it simple*/
"directives":[
{
"directive_name":"<Name of directive,example flavor_directive>",
"attributes":[
{
"attribute_name":"<name of attribute, such as flavor label>",
"attribute_value":"<value such as cloud specific flavor>"
}
]
},
{
"directive_name":"<Name of directive,example vnic-info>",
"attributes":[
{
"attribute_name":"<name of attribute, such as vnic-type>",
"attribute_value":"<value such as direct/normal>"
},
{
"attribute_name":"<name of attribute, such as provider netweork>",
"attribute_value":"<value such as physnet>"
}
]
}
]
}
]
},
{
"vnf_directives":{
"directives":[
{
"directive_name":"<Name of directive>",
"attributes":[
{
"attribute_name":"<name of attribute>",
"attribute_value":"<value>"
}
]
},
{
"directive_name":"<Name of directive>",
"attributes":[
{
"attribute_name":"<name of attribute>",
"attribute_value":"<value >"
},
{
"attribute_name":"<name of attribute>",
"attribute_value":"<value >"
}
]
}
]
}
}
]
},
{
"cloud-owner": "owner2",
"cloud-region-id": "region2",
"directives": []
}
]
Response:
[
{
"cloud-owner": "owner1",
"cloud-region-id": "region1",
"net-value": 100
},
{
"cloud-owner": "owner2",
"cloud-region-id": "region2",
"net-value": 101
}
]
|
Step 4. OOF → MC - Push Cloud Agnostic Policy for the Service Instance
4a) OOF Processing
The OOF ↔ MC cloud selection API, described below, is filled based on the Cloud Selection Policy for Homing retrieved in step 2) – need OOF code changes.
OOF
...
<->
...
MC
...
Cloud
...
Selection
...
API
...
--
...
JSON
...
Schema
...
with
...
Use
...
Case
...
Examples
...
as
...
runnable
...
python
...
code:
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//flexibility of having cloud type in the new API provides fine grained control, addresses capacity/cost differences across different cloud owners/regions and ensures backward compatibility
Proposed API URL: http://msb:80/api/multicloud/v0/intent_based_cloud_selection
#
#Spec Reference: https://wiki.onap.org/display/DW/Edge+Scoping+MVP+for+Casablanca+-+ONAP+Enhancements#EdgeScopingMVPforCasablanca-ONAPEnhancements-Cloud-agnosticPlacement/Networking&HomingPolicies(Phase1-CasablancaMVP,Phase2-StretchGoal)
#
from jsonschema import validate
oof_mc_policy_api_request_schema = {
#list of VIM ids
"Cloud Owner & Cloud Region List (VIM ids)": {"type", "array"},
"oof-mc-policy-api-request": {
"type": "array",
"items": { "$ref": "#/definitions/xxx1" }
},
"definitions": {
"xxx1": {
"type": "object",
"required": ["cloud-cost-evaluation", "cloud-deployment-intent"],
"properties" : {
# VNFC is not used in the OOF->MC path for R3
# This is kept to be consistent with the SO-> MC path
# As an example, vDNS VNF in ONAP has 3 VNFCs-DNS, Packet Gen & Load Balancer # each of the VNFCs could have different cloud policies
"vnfc": {"type": "string"},
# evaluate cloud cost if set
# cost is fixed per cloud type for all workloads, simplifying assumption for R3
# cost specified in the respective plugin through a configuration file
"cloud-cost-evaluation" : {"type" : "boolean"},
# cloud-specific realization of the specified deployment intent
# happens in multi-cloud in the cloud-specific plugin
"cloud-deployment-intent": {
"type": "array",
"items": { "$ref": "#/definitions/xxx2" }
},
"definitions": {
"xxx2": {
"type": "object",
"properties" : {
"Infrastructure High Availability for VNF": {"type", "boolean"},
"Infrastructure Resource Isolation for VNF": {"type", "string"},
# Infrastructure Resource Isolation for VNF
# Only certain pre-defined over-subscription values are allowed to
# reflect practical deployment and simplify implementation for R3
"Infrastructure Resource Isolation for VNF - Burstable QoS Oversubscription Percentage": {"type": "int"},
},
},
},
},
},
},
}
oof_mc_policy_api_response_schema = {
"oof-mc-policy-api-response": {
"type": "array",
"items": { "$ref": "#/definitions/xxx" }
},
"definitions": {
"xxx": {
"type": "object",
"required": [ "VIM id", "net-value" ],
"properties": {
# VIM id
"VIM id": {
"type": "string",
},
# For R3, net-value signifies cost per VIM id
# Referring to cloud-cost-evaluation in the API from OOF -> MC
# cost is fixed per cloud type for all workloads
# cost specified in the respective plugin through a configuration file
"net-value": {
"type": "number",
}
}
}
}
}
#
#Example 1: vCPE, Burstable QoS
#vCPE: Infrastructure Resource Isolation for VNF with Burstable QoS
#
oof_mc_policy_api_instance1 = {
#list of VIM ids
"Cloud Owner & Cloud Region (VIM id)": {"Azure 1", "Azure 2", "VMware VIO 1"},
"oof-mc-policy-request": [
{
"vnfc": "vgw",
#list of VIM ids
"cloud-deployment-intent": [
{
"Infrastructure Resource Isolation for VNF": "Burstable QoS",
"Infrastructure Resource Isolation for VNF - Burstable QoS Oversubscription Percentage": 25,
}
],
},
]
}
#
#Example 2:
#vCPE: Infrastructure Resource Isolation for VNF with Guaranteed QoS
#
oof_mc_policy_api_instance2 = {
#list of VIM ids
"Cloud Owner & Cloud Region List (VIM ids)": {"Azure 1", "Azure 2", "VMware VIO 1", "Wind River Titanium 1"},
"oof-mc-policy-request": [
{
"vnfc": "vgw",
"cloud-cost-evaluation": True,
"cloud-deployment-intent": [
{
"Infrastructure Resource Isolation for VNF": "Guaranteed QoS",
}
],
},
],
}
#
#Example 3:
#vDNS: Infrastructure HA for VNF & Infrastructure Resource Isolation for VNF with Burstable QoS
#
oof_mc_policy_api_instance3 = {
#list of VIM ids
"Cloud Owner & Cloud Region List (VIM ids)": {"Azure 1", "Azure 2", "VMware VIO 1", "Wind River Titanium 1"},
"oof-mc-policy-request": [
{
"vnfc": "vdns",
"cloud-cost-evaluation": True,
"cloud-deployment-intent": [
{
"Infrastructure High Availability for VNF": True,
"Infrastructure Resource Isolation for VNF": "Burstable QoS",
"Infrastructure Resource Isolation for VNF - Burstable QoS Oversubscription Percentage": 25,
}
],
}
],
}
#
# Example 4:
# vDNS: Infrastructure HA for VNF & Infrastructure Resource Isolation for VNF
# with Guaranteed QoS
#
oof_mc_policy_api_instance4 = {
#list of VIM ids
"Cloud Owner & Cloud Region List (VIM ids)": {"Azure 1", "Azure 2", "VMware VIO 1", "Wind River Titanium 1"},
"oof-mc-policy-request": [
{
"vnfc": "vdns",
"cloud-cost-evaluation": True,
"cloud-deployment-intent": [
{
"Infrastructure High Availability for VNF": True,
"Infrastructure Resource Isolation for VNF": "Guaranteed QoS",
},
],
},
],
}
oof_mc_policy_api_response_instance = {
"oof-mc-policy-api-response": [
{
"VIM id": "Azure 1",
"net-value": 100
},
{
"VIM id": "VMware VIO 1",
"net-value": 101
},
{
"VIM id": "Wind River Titanium 2",
"net-value": 102
},
{
"VIM id": "Wind River Titanium 1",
"net-value": 102
},
],
}
validate(oof_mc_policy_api_instance1, oof_mc_policy_api_request_schema)
validate(oof_mc_policy_api_instance2, oof_mc_policy_api_request_schema)
validate(oof_mc_policy_api_instance3, oof_mc_policy_api_request_schema)
validate(oof_mc_policy_api_instance4, oof_mc_policy_api_request_schema)
validate(oof_mc_policy_api_response_instance, oof_mc_policy_api_response_schema) |
...