kubevirt – KubeVirt inventory source

New in version 2.8.

Synopsis

  • Fetch running VirtualMachines for one or more namespaces.
  • Groups by namespace, namespace_vms and labels.
  • Uses kubevirt.(yml|yaml) YAML configuration file to set parameter values.

Requirements

The below requirements are needed on the local master node that executes this inventory.

  • openshift >= 0.6
  • PyYAML >= 3.11

Parameters

Parameter Choices/Defaults Configuration Comments
cache
boolean
    Choices:
  • no ←
  • yes
ini entries:

[inventory]
cache = no

env:ANSIBLE_INVENTORY_CACHE
Toggle to enable/disable the caching of the inventory's source data, requires a cache plugin setup to work.
cache_connection
string
ini entries:

[defaults]
fact_caching_connection = VALUE

[inventory]
cache_connection = VALUE

env:ANSIBLE_CACHE_PLUGIN_CONNECTION
env:ANSIBLE_INVENTORY_CACHE_CONNECTION
Cache connection data or path, read cache plugin documentation for specifics.
cache_plugin
string
Default:
"memory"
ini entries:

[defaults]
fact_caching = memory

[inventory]
cache_plugin = memory

env:ANSIBLE_CACHE_PLUGIN
env:ANSIBLE_INVENTORY_CACHE_PLUGIN
Cache plugin to use for the inventory's source data.
cache_prefix
-
Default:
"ansible_inventory_"
ini entries:

[default]
fact_caching_prefix = ansible_inventory_

[inventory]
cache_prefix = ansible_inventory_

env:ANSIBLE_CACHE_PLUGIN_PREFIX
env:ANSIBLE_INVENTORY_CACHE_PLUGIN_PREFIX
Prefix to use for cache plugin files/tables
cache_timeout
integer
Default:
3600
ini entries:

[defaults]
fact_caching_timeout = 3600

[inventory]
cache_timeout = 3600

env:ANSIBLE_CACHE_PLUGIN_TIMEOUT
env:ANSIBLE_INVENTORY_CACHE_TIMEOUT
Cache duration in seconds
compose
dictionary
Default:
{}
Create vars from jinja2 expressions.
connections
list
Optional list of cluster connection settings. If no connections are provided, the default ~/.kube/config and active context will be used, and objects will be returned for all namespaces the active user is authorized to access.
annotation_variable
string
Default:
"ansible"
Specify the name of the annotation which provides data, which should be used as inventory host variables.
Note, that the value in ansible annotations should be json.
api_key
string
Token used to authenticate with the API. Can also be specified via K8S_AUTH_API_KEY environment variable.
api_version
string
Specify the KubeVirt API version.
cert_file
string
Path to a certificate used to authenticate with the API. Can also be specified via K8S_AUTH_CERT_FILE environment variable.
context
string
The name of a context found in the config file. Can also be specified via K8S_AUTH_CONTEXT environment variable.
host
string
Provide a URL for accessing the API. Can also be specified via K8S_AUTH_HOST environment variable.
key_file
string
Path to a key file used to authenticate with the API. Can also be specified via K8S_AUTH_HOST environment variable.
kubeconfig
string
Path to an existing Kubernetes config file. If not provided, and no other connection options are provided, the OpenShift client will attempt to load the default configuration file from ~/.kube/config.json. Can also be specified via K8S_AUTH_KUBECONFIG environment variable.
name
string
Optional name to assign to the cluster. If not provided, a name is constructed from the server and port.
namespaces
list
List of namespaces. If not specified, will fetch all virtual machines for all namespaces user is authorized to access.
network_name
string
In case of multiple network attached to virtual machine, define which interface should be returned as primary IP address.
password
string
Provide a password for authenticating with the API. Can also be specified via K8S_AUTH_PASSWORD environment variable.
ssl_ca_cert
string
Path to a CA certificate used to authenticate with the API. Can also be specified via K8S_AUTH_SSL_CA_CERT environment variable.
username
string
Provide a username for authenticating with the API. Can also be specified via K8S_AUTH_USERNAME environment variable.
verify_ssl
boolean
    Choices:
  • no
  • yes
Whether or not to verify the API server's SSL certificates. Can also be specified via K8S_AUTH_VERIFY_SSL environment variable.
groups
dictionary
Default:
{}
Add hosts to group based on Jinja2 conditionals.
host_format
-
Default:
"{namespace}-{name}-{uid}"
Specify the format of the host in the inventory group.
keyed_groups
list
Default:
[]
Add hosts to group based on the values of a variable.
plugin
string / required
    Choices:
  • kubevirt
token that ensures this is a source file for the 'kubevirt' plugin.
strict
boolean
    Choices:
  • no ←
  • yes
If yes make invalid entries a fatal error, otherwise skip and continue.
Since it is possible to use facts in the expressions they might not always be available and we ignore those errors by default.

Examples

# File must be named kubevirt.yaml or kubevirt.yml

# Authenticate with token, and return all virtual machines for all namespaces
plugin: kubevirt
connections:
 - host: https://kubevirt.io
   token: xxxxxxxxxxxxxxxx
   ssl_verify: false

# Use default config (~/.kube/config) file and active context, and return vms with interfaces
# connected to network myovsnetwork and from namespace vms
plugin: kubevirt
connections:
  - namespaces:
      - vms
    network_name: myovsnetwork

Status

Authors

  • KubeVirt Team (@kubevirt)

Hint

If you notice any issues in this documentation, you can edit this document to improve it.

Hint

Configuration entries for each entry type have a low to high priority order. For example, a variable that is lower in the list will override a variable that is higher up.