[GCP FileShare Support] Implement Create Fileshare API for GCP Fileshare Driver

[himanshuvar]

What type of PR is this?

/kind new feature

What this PR does / why we need it: This PR is needed to support File Share Creation for GCP cloud backend.

Which issue(s) this PR fixes:

Fixes #1076

Test Report Added?:

/kind TESTED

Test Report:

The following testing is done for Create File Share API for GCP cloud backend:

• Register Backend

• List Backend

• Create FileShare for GCP Backend

Register a Backend

Example 1: Registering an Azure Backend for File Share

POST http://192.168.20.162:8089/v1/94b280022d0c4401bcf3b0ea85870519/backends

Request:

{
  "name": "gcp-backend-file",
  "type": "gcp-file",
  "Region": "<project_id>",
  "Access": "<access_key>",
  "Security": "<secret_key>"
}

Response:

{
    "id": "5f66397740852a0001bcc3f7",
    "tenantId": "94b280022d0c4401bcf3b0ea85870519",
    "userId": "558057c4256545bd8a307c37464003c9",
    "name": "gcp-backend-file",
    "type": "gcp-file",
    "region": "<project_id>",
    "access": "<access_key>",
    "security": "<secret_key>"
}

List Backend:
GET http://192.168.20.162:8089/v1/94b280022d0c4401bcf3b0ea85870519/backends
Response:

{
    "backends": [
        {
            "id": "5f66397740852a0001bcc3f7",
            "tenantId": "94b280022d0c4401bcf3b0ea85870519",
            "userId": "558057c4256545bd8a307c37464003c9",
            "name": "gcp-backend-file",
            "type": "gcp-file",
            "region": "<project_id>"
        }
    ],
    "next": 1
}

Create a File share

Example 1: Creating File Share for AWS Backend

POST http://192.168.20.162:8089/v1/94b280022d0c4401bcf3b0ea85870519/file/shares
Request:

{
    "name": "gcpfshim",
    "description": "GCP FileShare",
    "backendId": "5f66397740852a0001bcc3f7",
    "availabilityZone": "asia-east1-a",
    "size": 1099511627776,
    "type": "cloudFS",
    "tags": [
      {
        "key": "creator",
        "value": "himanshu"
      }
    ],
    "metadata": {
      "Tier": "STANDARD"
    }
}

Response:

{
    "id": "5f663ac22c7bc100019d2cd6",
    "createdAt": "2020-09-19T22:37:14",
    "updatedAt": "2020-09-19T22:37:14",
    "name": "gcpfshim",
    "description": "GCP FileShare",
    "tenantId": "94b280022d0c4401bcf3b0ea85870519",
    "userId": "558057c4256545bd8a307c37464003c9",
    "backendId": "5f66397740852a0001bcc3f7",
    "backend": "gcp-backend-file",
    "size": 1099511627776,
    "type": "cloudFS",
    "region": "<project_id>",
    "availabilityZone": "asia-east1-a",
    "status": "creating",
    "tags": [
        {
            "key": "creator",
            "value": "himanshu"
        }
    ],
    "metadata": {
        "fields": {
            "Tier": {
                "Kind": {
                    "StringValue": "STANDARD"
                }
            }
        }
    }
}

Special notes for your reviewer:
Since GET Fileshare API for GCP implementation is not included in this PR. Sync Metadata from cloud to DB will break.

[codecov]

Codecov Report

Merging #1097 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1097   +/-   ##
=======================================
  Coverage   55.58%   55.58%           
=======================================
  Files           8        8           
  Lines        1002     1002           
=======================================
  Hits          557      557           
  Misses        415      415           
  Partials       30       30           

[kumarashit]

Please fix fs naming conventions

[himanshuvar]

Please fix fs naming conventions

If we needs to take the instance id from User input. I can add instance id to metadata. What do you say?

[kumarashit]

LGTM

[skdwriting]

LGTM