How To Provision VMs on KVM with Terraform

How To Provision VMs on KVM with Terraform

1. Step 1: Install KVM hypervisor. The major pre-requisite for this setup is KVM hypervisor. ...
2. Step 2: Install Terraform. After installing and starting KVM, do Terraform installation. ...
3. Step 3: Install Terraform KVM provider. The Terraform KVM provider will provision infrastructure with Linux's KVM using libvirt.

1. How do I create a virtual machine in terraform?
2. How do I create a VM in KVM?
3. Where does KVM store VMs?
4. How do I move a KVM VM to another host?
5. Can terraform be used with VMware?
6. How do you make multiple VMs with terraform?
7. Which is better KVM or VirtualBox?
8. Is KVM faster than VMware?
9. Does Xen use KVM?
10. Where does KVM store XML files?
11. Where are KVM snapshots stored?
12. How does KVM snapshot work?

How do I create a virtual machine in terraform?

In this article

1. Prerequisites.
2. Create Azure connection and resource group.
3. Create virtual network.
4. Create public IP address.
5. Create Network Security Group.
6. Create virtual network interface card.
7. Create storage account for diagnostics.
8. Create virtual machine.

How do I create a VM in KVM?

Creating Virtual Machines using Virt-Manager

1. Launch Virt-Manager. If you are running on a terminal, run the following command: $ sudo virt-manager. ...
2. Virtual Machine Manager. ...
3. New Virtual Machine. ...
4. Create New Virtual Machine. ...
5. Choose Disk Image. ...
6. Choose OS Type. ...
7. Choose Memory and CPU Settings. ...
8. Set Disk Space for VM.

Where does KVM store VMs?

In KVM , VM images are stored in /var/lib/libvirt/images directory by default. There might be the space limitation since /var filesystem lives under root-vg. In KVM virtualization, everyone would prefer to store VM images in central repository to migrate running VM from one hypervisor to another.

How do I move a KVM VM to another host?

Move KVM image to a new host

1. copy the VM's disks from /var/lib/libvirt/images on src host to the same dir on destination host.
2. on the source host run virsh dumpxml VMNAME > domxml.xml and copy this xml to the dest. host.
3. on the destination host run virsh define domxml.xml.

Can terraform be used with VMware?

The VMware vSphere provider gives Terraform the ability to work with VMware vSphere Products, notably vCenter Server and ESXi. This provider can be used to manage many aspects of a VMware vSphere environment, including virtual machines, standard and distributed networks, datastores, and more.

How do you make multiple VMs with terraform?

You'll learn how to do the following tasks:

1. Set up Azure authentication.
2. Create a Terraform configuration file.
3. Use a Terraform configuration file to create a load balancer.
4. Use a Terraform configuration file to deploy two Linux VMs in an availability set.
5. Initialize Terraform.
6. Create a Terraform execution plan.

Which is better KVM or VirtualBox?

The basic idea is : if you want to install a binary Linux distribution as a guest, use KVM. It's faster and its' drivers are included in the official kernel tree. If your guest involves lots of compiling and needs some more advanced features, and/or isn't a Linux system, better go with VirtualBox.

Is KVM faster than VMware?

In terms of speed, KVM runs applications at near-native speeds, faster than other industry hypervisors, according to the SPECvirt_sc2013 benchmark. Hypervisors use different methods to communicate with the physical hardware of the host.

Does Xen use KVM?

Like Xen, KVM (Kernel-based Virtual Machine) is an open source hypervisor technology for virtualizing compute infrastructure running on x86 compatible hardware. Also like Xen, KVM has both an active user community and significant enterprise deployments.

Where does KVM store XML files?

Editing the attributes of a Virtual Machine. libvirt stores it's configuration as xml in '/etc/libvirt/qemu'. The xml is easy to understand, and is similar to VMware *. vmx files.

Where are KVM snapshots stored?

So the default path would look to be /var/lib/libvirt/images for VMs that are using the default pool. That would be the same directory that temporary files related to -snapshot activity would reside as well.

How does KVM snapshot work?

The copy-on-write mechanism of qcow2 files allows each snapshot to take very small space. The space taken by a snapshot increases over time as the running image diverges from the snapshot. So as long as you are not rewriting a lot of data, your snapshots will take only a few MBs of storage.