server: add possibility to scale vm to current custom offerings on UI

[ustcweizhou]

Description

We can use cloudmonkey to scale a vm with dynamic offering, to same offering but with different cpunumber or memory.
Enable it on UI to improve user experience.

Types of changes

• Breaking change (fix or feature that would cause existing functionality to change)
• New feature (non-breaking change which adds functionality)
• Bug fix (non-breaking change which fixes an issue)
• Enhancement (improves an existing feature and functionality)
• Cleanup (Code refactoring and cleanup, that may add test cases)

Feature/Enhancement Scale or Bug Severity

Bug Severity

• BLOCKER
• Critical
• Major
• Minor
• Trivial

Screenshots (if appropriate):

How Has This Been Tested?

[yadvr]

@blueorangutan package

[blueorangutan]

@rhtyd a Jenkins job has been kicked to build packages. I'll keep you posted as I make progress.

[blueorangutan]

Packaging result: ✔centos7 ✖centos8 ✔debian. JID-2606

[yadvr]

@blueorangutan test

[blueorangutan]

@rhtyd a Trillian-Jenkins test job (centos7 mgmt + kvm-centos7) has been kicked to run smoke tests

[blueorangutan]

Trillian test result (tid-3443)
Environment: kvm-centos7 (x2), Advanced Networking with Mgmt server 7
Total time taken: 29266 seconds
Marvin logs: https://github.com/blueorangutan/acs-prs/releases/download/trillian/pr4622-t3443-kvm-centos7.zip
Smoke tests completed. 83 look OK, 0 have error(s)
Only failed tests results shown below:

Test	Result	Time (s)	Test File

[shwstppr]

Tested, works well as it lists same custom offering for a stopped VM.
Before changes VM's offerring (ID=55008aa9-fc1a-4c8d-a964-150439b5f7b1) is missing in list call,

(localcloud) 🐱 > list virtualmachines id=e8fb9052-6267-47ba-992b-b6e9a3be1cfe filter=id,name,serviceofferingid,serviceofferingname
{
  "count": 1,
  "virtualmachine": [
    {
      "id": "e8fb9052-6267-47ba-992b-b6e9a3be1cfe",
      "name": "t2",
      "serviceofferingid": "55008aa9-fc1a-4c8d-a964-150439b5f7b1",
      "serviceofferingname": "custom2"
    }
  ]
}
(localcloud) 🐱 > list serviceofferings id=55008aa9-fc1a-4c8d-a964-150439b5f7b1 
{
  "count": 1,
  "serviceoffering": [
    {
      "cacheMode": "none",
      "created": "2021-02-01T12:43:44+0530",
      "defaultuse": false,
      "displaytext": "custom2",
      "id": "55008aa9-fc1a-4c8d-a964-150439b5f7b1",
      "iscustomized": true,
      "issystem": false,
      "isvolatile": false,
      "limitcpuuse": false,
      "name": "custom2",
      "offerha": false,
      "provisioningtype": "thin",
      "storagetype": "shared"
    }
  ]
}
(localcloud) 🐱 > list serviceofferings virtualmachineid=e8fb9052-6267-47ba-992b-b6e9a3be1cfe filter=id,name
{
  "count": 3,
  "serviceoffering": [
    {
      "id": "e24e1d1d-b100-4a11-af49-938f6b9a1c8b",
      "name": "Small Instance"
    },
    {
      "id": "5ed52f2b-4732-4073-b9cc-3a9fa04703c7",
      "name": "Medium Instance"
    },
    {
      "id": "d4cf0042-6bd4-42a8-9768-2706f97bd61c",
      "name": "custom1"
    }
  ]
}

After changes,

(localcloud) 🐱 > list virtualmachines id=e8fb9052-6267-47ba-992b-b6e9a3be1cfe filter=id,name,serviceofferingid,serviceofferingname
{
  "count": 1,
  "virtualmachine": [
    {
      "id": "e8fb9052-6267-47ba-992b-b6e9a3be1cfe",
      "name": "t2",
      "serviceofferingid": "55008aa9-fc1a-4c8d-a964-150439b5f7b1",
      "serviceofferingname": "custom2"
    }
  ]
}
(localcloud) 🐱 > list serviceofferings id=55008aa9-fc1a-4c8d-a964-150439b5f7b1 
{
  "count": 1,
  "serviceoffering": [
    {
      "cacheMode": "none",
      "created": "2021-02-01T12:43:44+0530",
      "defaultuse": false,
      "displaytext": "custom2",
      "id": "55008aa9-fc1a-4c8d-a964-150439b5f7b1",
      "iscustomized": true,
      "issystem": false,
      "isvolatile": false,
      "limitcpuuse": false,
      "name": "custom2",
      "offerha": false,
      "provisioningtype": "thin",
      "storagetype": "shared"
    }
  ]
}
(localcloud) 🐱 > list serviceofferings virtualmachineid=e8fb9052-6267-47ba-992b-b6e9a3be1cfe filter=id,name
{
  "count": 4,
  "serviceoffering": [
    {
      "id": "e24e1d1d-b100-4a11-af49-938f6b9a1c8b",
      "name": "Small Instance"
    },
    {
      "id": "5ed52f2b-4732-4073-b9cc-3a9fa04703c7",
      "name": "Medium Instance"
    },
    {
      "id": "d4cf0042-6bd4-42a8-9768-2706f97bd61c",
      "name": "custom1"
    },
    {
      "id": "55008aa9-fc1a-4c8d-a964-150439b5f7b1",
      "name": "custom2"
    }
  ]
}