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Will Miller
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Update README to reflect new API for multiple VMs
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‎README.md‎

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Libvirt VM
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==========
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This role configures an creates (or destroys) a VM on a KVM hypervisor.
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This role configures and creates (or destroys) VMs on a KVM hypervisor.
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Requirements
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------------
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Role Variables
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--------------
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`libvirt_vm_state`: set to `present` to create or `absent` to destroy the VM.
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Defaults to `present`.
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`libvirt_vm_name`: the name to assign to the VM.
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`libvirt_vm_memory_mb`: the memory to assign to the VM, in megabytes.
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`libvirt_vm_vcpus`: the number of VCPU cores to assign to the VM.
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`libvirt_vm_engine`: virtualisation engine. If not set, the role will attempt
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to auto-detect the optimal engine to use.
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`libvirt_vm_emulator`: path to emulator binary. If not set, the role will
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attempt to auto-detect the correct emulator to use.
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`libvirt_vm_arch`: CPU architecture, default is `x86_64`.
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`libvirt_vm_machine`: Virtual machine type. Default is `None` if
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`libvirt_vm_engine` is `kvm`, otherwise `pc-1.0`.
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`libvirt_vm_cpu_mode`: Virtual machine CPU mode. Default is `host-passthrough`
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if `libvirt_vm_engine` is `kvm`, otherwise `host-model`.
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`libvirt_vm_volumes`: a list of volumes to attach to the VM. Each volume is
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defined with the following dict:
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- `name`: Name to associate with the volume being created.
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- `device`: `disk`
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- `format`: options include `raw`, `qcow2`, `vmdk`. See `man virsh` for the
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full range. Default is `qcow2`
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- `capacity`: volume capacity (can be suffixed with M,G,T or MB,GB,TB, etc)
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- `image`: (optional) a URL to an image with which the volume is initalised.
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- `pool`: Name or UUID of the storage pool from which the volume should be
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allocated.
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`libvirt_vm_interfaces`: a list of network interfaces to attach to the VM.
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Each network interface is defined with the following dict:
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- `network`: Name of the network to which an interface should be attached.
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`libvirt_vm_console_log_path`: Path to console log file. Default is
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`/var/log/libvirt/qemu/{{ libvirt_vm_name }}-console.log`.
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`libvirt_vm_image_cache_path`: path to cache downloaded images.
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- `libvirt_vm_engine`: virtualisation engine. If not set, the role will attempt
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to auto-detect the optimal engine to use.
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- `libvirt_vm_emulator`: path to emulator binary. If not set, the role will
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attempt to auto-detect the correct emulator to use.
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- `libvirt_vms`: list of VMs to be created/destroyed. Each one may have the
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following attributes:
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- `state`: set to `present` to create or `absent` to destroy the VM.
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Defaults to `present`.
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- `name`: the name to assign to the VM.
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- `memory_mb`: the memory to assign to the VM, in megabytes.
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- `vcpus`: the number of VCPU cores to assign to the VM.
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- `arch`: CPU architecture, default is `x86_64`.
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- `machine`: Virtual machine type. Default is `None` if
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`engine` is `kvm`, otherwise `pc-1.0`.
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- `cpu_mode`: Virtual machine CPU mode. Default is
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`host-passthrough` if `engine` is `kvm`, otherwise `host-model`.
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- `volumes`: a list of volumes to attach to the VM. Each volume is
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defined with the following dict:
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- `name`: Name to associate with the volume being created.
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- `device`: `disk`
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- `format`: options include `raw`, `qcow2`, `vmdk`. See `man virsh` for the
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full range. Default is `qcow2`
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- `capacity`: volume capacity (can be suffixed with M,G,T or MB,GB,TB, etc)
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- `image`: (optional) a URL to an image with which the volume is initalised.
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- `pool`: Name or UUID of the storage pool from which the volume should be
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allocated.
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- `interfaces`: a list of network interfaces to attach to the VM.
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Each network interface is defined with the following dict:
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- `network`: Name of the network to which an interface should be attached.
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- `console_log_path`: Path to console log file. Default is
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`/var/log/libvirt/qemu/{{ libvirt_vm_name }}-console.log`.
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- `image_cache_path`: path to cache downloaded images.
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N.B. the following variables are deprecated: `libvirt_vm_state`,
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`libvirt_vm_name`, `libvirt_vm_memory_mb`, `libvirt_vm_vcpus`,
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`libvirt_vm_engine`, `libvirt_vm_arch`, `libvirt_vm_machine`,
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`libvirt_vm_cpu_mode`, `libvirt_vm_volumes`, `libvirt_vm_interfaces` and
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`libvirt_vm_console_log_path`. If the variable `libvirt_vms` is left unset, its
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default value will be a singleton list containing a VM specification using
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these deprecated variables.
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Dependencies
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------------
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----------------
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---
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- name: Create a VM
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- name: Create VMs
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hosts: hypervisor
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roles:
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- role: stackhpc.libvirt-vm
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libvirt_vm_state: present
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libvirt_vm_name: 'my-vm'
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libvirt_vm_memory_mb: 512
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libvirt_vm_vcpus: 2
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libvirt_vm_volumes:
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- name: 'data'
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device: 'disk'
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format: 'qcow2'
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capacity: '400GB'
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pool: 'my-pool'
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libvirt_vm_interfaces:
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- network: 'br-datacentre'
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libvirt_vms:
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- state: present
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name: 'vm1'
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memory_mb: 512
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vcpus: 2
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volumes:
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- name: 'data1'
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device: 'disk'
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format: 'qcow2'
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capacity: '400GB'
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pool: 'my-pool'
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interfaces:
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- network: 'br-datacentre'
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- state: present
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name: 'vm2'
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memory_mb: 1024
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vcpus: 1
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volumes:
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- name: 'data2'
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device: 'disk'
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format: 'qcow2'
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capacity: '200GB'
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pool: 'my-pool'
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interfaces:
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- network: 'br-datacentre'
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Author Information
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