KVM with libvirt

Linux KVM virtualization driven through the libvirt API, daemons and virsh command line.

Provider: default
Kind: Virtual machine
Category: Compute
Official docs: https://libvirt.org/docs.html

Properties · 1 set by this component

property	type	values	required	kind default	this component
clusterAware · component property	boolean	—	no	false	inherited
daemonMode · component property	enum	monolithic \| modular	no	modular	inherited
diskEncryption	boolean	—	no	—	inherited
driver · component property	enum	qemu-kvm \| xen \| lxc \| bhyve \| test	no	qemu-kvm	inherited
instances	integer	—	no	—	inherited
managed	boolean	—	no	false	▸ false
memoryGib	integer	—	no	—	inherited
os	enum	linux \| windows \| aix \| ibm-i	no	linux	inherited
publicIp	boolean	—	no	—	inherited
sizeVcpu	integer	—	no	—	inherited
zoneRedundant	boolean	—	no	—	inherited

Rules that apply · 1

Every rule whose selector covers this component's kind or its category. Whether a rule fires depends on the design: its properties, its edges and its groups.

Stateful node without zone redundancyerror

stateful-node-without-zone-redundancy

A stateful compute node pinned to exactly one availability zone disappears with that zone, and its state goes with it. Nodes inside a cell are exempt, because there the cell is deliberately single-zone and redundancy comes from the other cells.

— all of these hold:
— the node's `stateless` is false
— the node sits inside exactly 1 availability-zone group
— this does not hold:
— the node sits inside at least one cell group

Use it in a design

nodes:
  - { id: "libvirt", component: "libvirt" }

Other Virtual machine products · 60

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and 20 more → Virtual machine page

Source

1# yaml-language-server: $schema=../../schema/component.schema.json
2# KVM managed through libvirt: the virtualization API, daemons and CLI (virsh) that drive hypervisor drivers.
3# Per the "libvirt Documentation" index the toolkit is a set of daemons plus an API with per-hypervisor
4# drivers selected by connection URI, so the driver in use is a property of the host, not a fixed default.
5schemaVersion: "1"
6type: "component"
7id: "libvirt"
8kind: "virtual-machine"
9provider: "default"
10docs: "https://libvirt.org/docs.html"
11defaults:
12  managed: false
13properties:
14  driver:
15    type: "enum"
16    values: ["qemu-kvm", "xen", "lxc", "bhyve", "test"]
17    default: "qemu-kvm"
18  daemonMode:
19    type: "enum"
20    values: ["monolithic", "modular"]
21    default: "modular"
22  clusterAware:
23    type: "boolean"
24    default: false

The same page as markdown, for an agent: /catalogue/components/libvirt.md