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Import-Export
KVM Instances
Ayush Pandey
Google Summer of Code 2023
About Me - Ayush Pandey
● Masters in Data Science at
University of Colorado, Boulder,
US.
● Google Summer of Code
Contributor (2023) - Apache
Software Foundation
● 4 years of experience working as
a fullstack developer for different
MNC’s.
● Hobbies : Avid football and
basketball fan.
Agenda
● Introduction
○ Ingestion, unmanaged Instance
● Flow Diagram
● Importing Instance
○ Prerequisites
○ List API - listUnmanagedInstances
○ Import API - importUnmanagedInstances
● Exporting/ Unmanaging Instances
○ Export API - unmanageVirtualMachine
● Demo (Walkthrough of Ingestion through UI)
● Future Scope
Introduction
• Unmanaged Instances: VMs present at hypervisor end, but
doesn’t exist in Cloudstack database and can’t be managed -
hence the name Unmanaged Instance.
• Once an unmanaged Instance is imported to Cloudstack it’s
details are persisted in cloudstack database and it is
orchestrated by cloudstack hence the name Managed Instance.
• VM Ingestion for VMWare was implemented in cloudstack and
we extended this feature to KVM .
• Why KVM: light weight, open source, cheaper than vmware and
very popular among users.
• APIs Supported: Extended listUnmanagedInstance,
importUnmanagedInstance, unmanagedVirtualMachine
Flow Diagram
Pre-requisites
● For listing unmanaged instances,KVM host should exist in
Cloudstack.
● For importing, following must be already added or created at
Cloudstack end:
○ Disk Offering (Root Disk is mandatory and Data Disk is optional)
○ Service Offering (CPU cores, CPU speed , Ram)
○ Network Offering (For isolated network ipaddress is also needed)
○ Template (Operating System)
● Documentation :
https://docs.cloudstack.apache.org/en/latest/installguide/hypervis
or/kvm.html
List API - listunmanagedInstances
● List all unmanaged Instances for a given cluster
● Added in 4.14
● KVM host must already be added as a cloudstack cluster
● Required request Parameters: clusterid
● Returns the following responses:
○ hostid
○ cpucorespersocket
○ name
○ Osdisplayname
○ Memory
○ powerstate
○ Cpuspeed
○ Disk
○ Nic
○ cpunumber
Import Unmange VM using CLI
List unmanaged VM’s using CLI
UI screen to list all unmanaged VM’s
Import API: importUnmanagedInstance
● Imports an unmanaged Instance into cloudstack.
● Added in 4.14
● Storage, network, template must be added or created in Cloudstack prior to import
● Provides parameters to assign account, service offering, template, map individual disks and networks.
○ hostid
○ domainid
○ name (domain name)
○ displayname
○ migrateallowed
○ projectid
○ datadiskofferinglist
○ force
● Returns the similar output as listUnmanageInstances API
○ serviceofferingid
○ hostname
○ nicnetworklist
○ details
○ domainid
○ templateid
○ nicipaddresslist
Import Unmange VM using CLI
Import VM Dialog Box
ExportVM API - unmanagedVirtualMachine
● unmanaged/Export Virtual Machine
● VM will still persist in the KVM hypervisor but all its records will be
removed from cloudstack database.
● Added in v4.15
● Required Request Parameter: id (The id of VM to be unmanage)
● Returns the following responses:
○ details
○ success
UI screen to exporting managed VM
Import-Export Demo for UI
Future Scope
● Import-Export Instances functionality can be extended to other
hypervisors such as Xenserver, hyper-V etc.
● Batch import of unmanage VM’s for a single account, project etc.
Thank You
Q & A
Reach me at :
Linkedin : https://www.linkedin.com/in/itsayushpandey/
Email : pandey.ayu@gmail.com

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Import Export Virtual Machine for KVM Hypervisor - Ayush Pandey - University of Colorado

  • 2. About Me - Ayush Pandey ● Masters in Data Science at University of Colorado, Boulder, US. ● Google Summer of Code Contributor (2023) - Apache Software Foundation ● 4 years of experience working as a fullstack developer for different MNC’s. ● Hobbies : Avid football and basketball fan.
  • 3. Agenda ● Introduction ○ Ingestion, unmanaged Instance ● Flow Diagram ● Importing Instance ○ Prerequisites ○ List API - listUnmanagedInstances ○ Import API - importUnmanagedInstances ● Exporting/ Unmanaging Instances ○ Export API - unmanageVirtualMachine ● Demo (Walkthrough of Ingestion through UI) ● Future Scope
  • 4. Introduction • Unmanaged Instances: VMs present at hypervisor end, but doesn’t exist in Cloudstack database and can’t be managed - hence the name Unmanaged Instance. • Once an unmanaged Instance is imported to Cloudstack it’s details are persisted in cloudstack database and it is orchestrated by cloudstack hence the name Managed Instance. • VM Ingestion for VMWare was implemented in cloudstack and we extended this feature to KVM . • Why KVM: light weight, open source, cheaper than vmware and very popular among users. • APIs Supported: Extended listUnmanagedInstance, importUnmanagedInstance, unmanagedVirtualMachine
  • 6. Pre-requisites ● For listing unmanaged instances,KVM host should exist in Cloudstack. ● For importing, following must be already added or created at Cloudstack end: ○ Disk Offering (Root Disk is mandatory and Data Disk is optional) ○ Service Offering (CPU cores, CPU speed , Ram) ○ Network Offering (For isolated network ipaddress is also needed) ○ Template (Operating System) ● Documentation : https://docs.cloudstack.apache.org/en/latest/installguide/hypervis or/kvm.html
  • 7. List API - listunmanagedInstances ● List all unmanaged Instances for a given cluster ● Added in 4.14 ● KVM host must already be added as a cloudstack cluster ● Required request Parameters: clusterid ● Returns the following responses: ○ hostid ○ cpucorespersocket ○ name ○ Osdisplayname ○ Memory ○ powerstate ○ Cpuspeed ○ Disk ○ Nic ○ cpunumber
  • 8. Import Unmange VM using CLI List unmanaged VM’s using CLI
  • 9. UI screen to list all unmanaged VM’s
  • 10. Import API: importUnmanagedInstance ● Imports an unmanaged Instance into cloudstack. ● Added in 4.14 ● Storage, network, template must be added or created in Cloudstack prior to import ● Provides parameters to assign account, service offering, template, map individual disks and networks. ○ hostid ○ domainid ○ name (domain name) ○ displayname ○ migrateallowed ○ projectid ○ datadiskofferinglist ○ force ● Returns the similar output as listUnmanageInstances API ○ serviceofferingid ○ hostname ○ nicnetworklist ○ details ○ domainid ○ templateid ○ nicipaddresslist
  • 11. Import Unmange VM using CLI
  • 13. ExportVM API - unmanagedVirtualMachine ● unmanaged/Export Virtual Machine ● VM will still persist in the KVM hypervisor but all its records will be removed from cloudstack database. ● Added in v4.15 ● Required Request Parameter: id (The id of VM to be unmanage) ● Returns the following responses: ○ details ○ success
  • 14. UI screen to exporting managed VM
  • 16. Future Scope ● Import-Export Instances functionality can be extended to other hypervisors such as Xenserver, hyper-V etc. ● Batch import of unmanage VM’s for a single account, project etc.
  • 17. Thank You Q & A Reach me at : Linkedin : https://www.linkedin.com/in/itsayushpandey/ Email : pandey.ayu@gmail.com