mirror of
https://github.com/ansible-collections/community.general.git
synced 2024-09-14 20:13:21 +02:00
463 lines
18 KiB
Python
463 lines
18 KiB
Python
|
# -*- coding: utf-8 -*-
|
||
|
|
#
|
||
|
|
|
||
|
|
# Copyright (c) 2018, KubeVirt Team <@kubevirt>
|
||
|
|
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
|
||
|
|
|
||
|
|
from collections import defaultdict
|
||
|
|
from distutils.version import Version
|
||
|
|
|
||
|
|
from ansible.module_utils.common import dict_transformations
|
||
|
|
from ansible.module_utils.common._collections_compat import Sequence
|
||
|
|
from ansible_collections.community.kubernetes.plugins.module_utils.k8s.common import list_dict_str
|
||
|
|
from ansible_collections.community.kubernetes.plugins.module_utils.k8s.raw import KubernetesRawModule
|
||
|
|
|
||
|
|
import copy
|
||
|
|
import re
|
||
|
|
|
||
|
|
MAX_SUPPORTED_API_VERSION = 'v1alpha3'
|
||
|
|
API_GROUP = 'kubevirt.io'
|
||
|
|
|
||
|
|
|
||
|
|
# Put all args that (can) modify 'spec:' here:
|
||
|
|
VM_SPEC_DEF_ARG_SPEC = {
|
||
|
|
'resource_definition': {
|
||
|
|
'type': 'dict',
|
||
|
|
'aliases': ['definition', 'inline']
|
||
|
|
},
|
||
|
|
'memory': {'type': 'str'},
|
||
|
|
'memory_limit': {'type': 'str'},
|
||
|
|
'cpu_cores': {'type': 'int'},
|
||
|
|
'disks': {'type': 'list'},
|
||
|
|
'labels': {'type': 'dict'},
|
||
|
|
'interfaces': {'type': 'list'},
|
||
|
|
'machine_type': {'type': 'str'},
|
||
|
|
'cloud_init_nocloud': {'type': 'dict'},
|
||
|
|
'bootloader': {'type': 'str'},
|
||
|
|
'smbios_uuid': {'type': 'str'},
|
||
|
|
'cpu_model': {'type': 'str'},
|
||
|
|
'headless': {'type': 'str'},
|
||
|
|
'hugepage_size': {'type': 'str'},
|
||
|
|
'tablets': {'type': 'list'},
|
||
|
|
'cpu_limit': {'type': 'int'},
|
||
|
|
'cpu_shares': {'type': 'int'},
|
||
|
|
'cpu_features': {'type': 'list'},
|
||
|
|
'affinity': {'type': 'dict'},
|
||
|
|
'anti_affinity': {'type': 'dict'},
|
||
|
|
'node_affinity': {'type': 'dict'},
|
||
|
|
}
|
||
|
|
# And other common args go here:
|
||
|
|
VM_COMMON_ARG_SPEC = {
|
||
|
|
'name': {'required': True},
|
||
|
|
'namespace': {'required': True},
|
||
|
|
'hostname': {'type': 'str'},
|
||
|
|
'subdomain': {'type': 'str'},
|
||
|
|
'state': {
|
||
|
|
'default': 'present',
|
||
|
|
'choices': ['present', 'absent'],
|
||
|
|
},
|
||
|
|
'force': {
|
||
|
|
'type': 'bool',
|
||
|
|
'default': False,
|
||
|
|
},
|
||
|
|
'merge_type': {'type': 'list', 'choices': ['json', 'merge', 'strategic-merge']},
|
||
|
|
'wait': {'type': 'bool', 'default': True},
|
||
|
|
'wait_timeout': {'type': 'int', 'default': 120},
|
||
|
|
'wait_sleep': {'type': 'int', 'default': 5},
|
||
|
|
}
|
||
|
|
VM_COMMON_ARG_SPEC.update(VM_SPEC_DEF_ARG_SPEC)
|
||
|
|
|
||
|
|
|
||
|
|
def virtdict():
|
||
|
|
"""
|
||
|
|
This function create dictionary, with defaults to dictionary.
|
||
|
|
"""
|
||
|
|
return defaultdict(virtdict)
|
||
|
|
|
||
|
|
|
||
|
|
class KubeAPIVersion(Version):
|
||
|
|
component_re = re.compile(r'(\d+ | [a-z]+)', re.VERBOSE)
|
||
|
|
|
||
|
|
def __init__(self, vstring=None):
|
||
|
|
if vstring:
|
||
|
|
self.parse(vstring)
|
||
|
|
|
||
|
|
def parse(self, vstring):
|
||
|
|
self.vstring = vstring
|
||
|
|
components = [x for x in self.component_re.split(vstring) if x]
|
||
|
|
for i, obj in enumerate(components):
|
||
|
|
try:
|
||
|
|
components[i] = int(obj)
|
||
|
|
except ValueError:
|
||
|
|
pass
|
||
|
|
|
||
|
|
errmsg = "version '{0}' does not conform to kubernetes api versioning guidelines".format(vstring)
|
||
|
|
c = components
|
||
|
|
|
||
|
|
if len(c) not in (2, 4) or c[0] != 'v' or not isinstance(c[1], int):
|
||
|
|
raise ValueError(errmsg)
|
||
|
|
if len(c) == 4 and (c[2] not in ('alpha', 'beta') or not isinstance(c[3], int)):
|
||
|
|
raise ValueError(errmsg)
|
||
|
|
|
||
|
|
self.version = components
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
return self.vstring
|
||
|
|
|
||
|
|
def __repr__(self):
|
||
|
|
return "KubeAPIVersion ('{0}')".format(str(self))
|
||
|
|
|
||
|
|
def _cmp(self, other):
|
||
|
|
if isinstance(other, str):
|
||
|
|
other = KubeAPIVersion(other)
|
||
|
|
|
||
|
|
myver = self.version
|
||
|
|
otherver = other.version
|
||
|
|
|
||
|
|
for ver in myver, otherver:
|
||
|
|
if len(ver) == 2:
|
||
|
|
ver.extend(['zeta', 9999])
|
||
|
|
|
||
|
|
if myver == otherver:
|
||
|
|
return 0
|
||
|
|
if myver < otherver:
|
||
|
|
return -1
|
||
|
|
if myver > otherver:
|
||
|
|
return 1
|
||
|
|
|
||
|
|
# python2 compatibility
|
||
|
|
def __cmp__(self, other):
|
||
|
|
return self._cmp(other)
|
||
|
|
|
||
|
|
|
||
|
|
class KubeVirtRawModule(KubernetesRawModule):
|
||
|
|
def __init__(self, *args, **kwargs):
|
||
|
|
super(KubeVirtRawModule, self).__init__(*args, **kwargs)
|
||
|
|
|
||
|
|
@staticmethod
|
||
|
|
def merge_dicts(base_dict, merging_dicts):
|
||
|
|
"""This function merges a base dictionary with one or more other dictionaries.
|
||
|
|
The base dictionary takes precedence when there is a key collision.
|
||
|
|
merging_dicts can be a dict or a list or tuple of dicts. In the latter case, the
|
||
|
|
dictionaries at the front of the list have higher precedence over the ones at the end.
|
||
|
|
"""
|
||
|
|
if not merging_dicts:
|
||
|
|
merging_dicts = ({},)
|
||
|
|
|
||
|
|
if not isinstance(merging_dicts, Sequence):
|
||
|
|
merging_dicts = (merging_dicts,)
|
||
|
|
|
||
|
|
new_dict = {}
|
||
|
|
for d in reversed(merging_dicts):
|
||
|
|
new_dict = dict_transformations.dict_merge(new_dict, d)
|
||
|
|
|
||
|
|
new_dict = dict_transformations.dict_merge(new_dict, base_dict)
|
||
|
|
|
||
|
|
return new_dict
|
||
|
|
|
||
|
|
def get_resource(self, resource):
|
||
|
|
try:
|
||
|
|
existing = resource.get(name=self.name, namespace=self.namespace)
|
||
|
|
except Exception:
|
||
|
|
existing = None
|
||
|
|
|
||
|
|
return existing
|
||
|
|
|
||
|
|
def _define_datavolumes(self, datavolumes, spec):
|
||
|
|
"""
|
||
|
|
Takes datavoulmes parameter of Ansible and create kubevirt API datavolumesTemplateSpec
|
||
|
|
structure from it
|
||
|
|
"""
|
||
|
|
if not datavolumes:
|
||
|
|
return
|
||
|
|
|
||
|
|
spec['dataVolumeTemplates'] = []
|
||
|
|
for dv in datavolumes:
|
||
|
|
# Add datavolume to datavolumetemplates spec:
|
||
|
|
dvt = virtdict()
|
||
|
|
dvt['metadata']['name'] = dv.get('name')
|
||
|
|
dvt['spec']['pvc'] = {
|
||
|
|
'accessModes': dv.get('pvc').get('accessModes'),
|
||
|
|
'resources': {
|
||
|
|
'requests': {
|
||
|
|
'storage': dv.get('pvc').get('storage'),
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
dvt['spec']['source'] = dv.get('source')
|
||
|
|
spec['dataVolumeTemplates'].append(dvt)
|
||
|
|
|
||
|
|
# Add datavolume to disks spec:
|
||
|
|
if not spec['template']['spec']['domain']['devices']['disks']:
|
||
|
|
spec['template']['spec']['domain']['devices']['disks'] = []
|
||
|
|
|
||
|
|
spec['template']['spec']['domain']['devices']['disks'].append(
|
||
|
|
{
|
||
|
|
'name': dv.get('name'),
|
||
|
|
'disk': dv.get('disk', {'bus': 'virtio'}),
|
||
|
|
}
|
||
|
|
)
|
||
|
|
|
||
|
|
# Add datavolume to volumes spec:
|
||
|
|
if not spec['template']['spec']['volumes']:
|
||
|
|
spec['template']['spec']['volumes'] = []
|
||
|
|
|
||
|
|
spec['template']['spec']['volumes'].append(
|
||
|
|
{
|
||
|
|
'dataVolume': {
|
||
|
|
'name': dv.get('name')
|
||
|
|
},
|
||
|
|
'name': dv.get('name'),
|
||
|
|
}
|
||
|
|
)
|
||
|
|
|
||
|
|
def _define_cloud_init(self, cloud_init_nocloud, template_spec):
|
||
|
|
"""
|
||
|
|
Takes the user's cloud_init_nocloud parameter and fill it in kubevirt
|
||
|
|
API strucuture. The name for disk is hardcoded to ansiblecloudinitdisk.
|
||
|
|
"""
|
||
|
|
if cloud_init_nocloud:
|
||
|
|
if not template_spec['volumes']:
|
||
|
|
template_spec['volumes'] = []
|
||
|
|
if not template_spec['domain']['devices']['disks']:
|
||
|
|
template_spec['domain']['devices']['disks'] = []
|
||
|
|
|
||
|
|
template_spec['volumes'].append({'name': 'ansiblecloudinitdisk', 'cloudInitNoCloud': cloud_init_nocloud})
|
||
|
|
template_spec['domain']['devices']['disks'].append({
|
||
|
|
'name': 'ansiblecloudinitdisk',
|
||
|
|
'disk': {'bus': 'virtio'},
|
||
|
|
})
|
||
|
|
|
||
|
|
def _define_interfaces(self, interfaces, template_spec, defaults):
|
||
|
|
"""
|
||
|
|
Takes interfaces parameter of Ansible and create kubevirt API interfaces
|
||
|
|
and networks strucutre out from it.
|
||
|
|
"""
|
||
|
|
if not interfaces and defaults and 'interfaces' in defaults:
|
||
|
|
interfaces = copy.deepcopy(defaults['interfaces'])
|
||
|
|
for d in interfaces:
|
||
|
|
d['network'] = defaults['networks'][0]
|
||
|
|
|
||
|
|
if interfaces:
|
||
|
|
# Extract interfaces k8s specification from interfaces list passed to Ansible:
|
||
|
|
spec_interfaces = []
|
||
|
|
for i in interfaces:
|
||
|
|
spec_interfaces.append(
|
||
|
|
self.merge_dicts(dict((k, v) for k, v in i.items() if k != 'network'), defaults['interfaces'])
|
||
|
|
)
|
||
|
|
if 'interfaces' not in template_spec['domain']['devices']:
|
||
|
|
template_spec['domain']['devices']['interfaces'] = []
|
||
|
|
template_spec['domain']['devices']['interfaces'].extend(spec_interfaces)
|
||
|
|
|
||
|
|
# Extract networks k8s specification from interfaces list passed to Ansible:
|
||
|
|
spec_networks = []
|
||
|
|
for i in interfaces:
|
||
|
|
net = i['network']
|
||
|
|
net['name'] = i['name']
|
||
|
|
spec_networks.append(self.merge_dicts(net, defaults['networks']))
|
||
|
|
if 'networks' not in template_spec:
|
||
|
|
template_spec['networks'] = []
|
||
|
|
template_spec['networks'].extend(spec_networks)
|
||
|
|
|
||
|
|
def _define_disks(self, disks, template_spec, defaults):
|
||
|
|
"""
|
||
|
|
Takes disks parameter of Ansible and create kubevirt API disks and
|
||
|
|
volumes strucutre out from it.
|
||
|
|
"""
|
||
|
|
if not disks and defaults and 'disks' in defaults:
|
||
|
|
disks = copy.deepcopy(defaults['disks'])
|
||
|
|
for d in disks:
|
||
|
|
d['volume'] = defaults['volumes'][0]
|
||
|
|
|
||
|
|
if disks:
|
||
|
|
# Extract k8s specification from disks list passed to Ansible:
|
||
|
|
spec_disks = []
|
||
|
|
for d in disks:
|
||
|
|
spec_disks.append(
|
||
|
|
self.merge_dicts(dict((k, v) for k, v in d.items() if k != 'volume'), defaults['disks'])
|
||
|
|
)
|
||
|
|
if 'disks' not in template_spec['domain']['devices']:
|
||
|
|
template_spec['domain']['devices']['disks'] = []
|
||
|
|
template_spec['domain']['devices']['disks'].extend(spec_disks)
|
||
|
|
|
||
|
|
# Extract volumes k8s specification from disks list passed to Ansible:
|
||
|
|
spec_volumes = []
|
||
|
|
for d in disks:
|
||
|
|
volume = d['volume']
|
||
|
|
volume['name'] = d['name']
|
||
|
|
spec_volumes.append(self.merge_dicts(volume, defaults['volumes']))
|
||
|
|
if 'volumes' not in template_spec:
|
||
|
|
template_spec['volumes'] = []
|
||
|
|
template_spec['volumes'].extend(spec_volumes)
|
||
|
|
|
||
|
|
def find_supported_resource(self, kind):
|
||
|
|
results = self.client.resources.search(kind=kind, group=API_GROUP)
|
||
|
|
if not results:
|
||
|
|
self.fail('Failed to find resource {0} in {1}'.format(kind, API_GROUP))
|
||
|
|
sr = sorted(results, key=lambda r: KubeAPIVersion(r.api_version), reverse=True)
|
||
|
|
for r in sr:
|
||
|
|
if KubeAPIVersion(r.api_version) <= KubeAPIVersion(MAX_SUPPORTED_API_VERSION):
|
||
|
|
return r
|
||
|
|
self.fail("API versions {0} are too recent. Max supported is {1}/{2}.".format(
|
||
|
|
str([r.api_version for r in sr]), API_GROUP, MAX_SUPPORTED_API_VERSION))
|
||
|
|
|
||
|
|
def _construct_vm_definition(self, kind, definition, template, params, defaults=None):
|
||
|
|
self.client = self.get_api_client()
|
||
|
|
|
||
|
|
disks = params.get('disks', [])
|
||
|
|
memory = params.get('memory')
|
||
|
|
memory_limit = params.get('memory_limit')
|
||
|
|
cpu_cores = params.get('cpu_cores')
|
||
|
|
cpu_model = params.get('cpu_model')
|
||
|
|
cpu_features = params.get('cpu_features')
|
||
|
|
labels = params.get('labels')
|
||
|
|
datavolumes = params.get('datavolumes')
|
||
|
|
interfaces = params.get('interfaces')
|
||
|
|
bootloader = params.get('bootloader')
|
||
|
|
cloud_init_nocloud = params.get('cloud_init_nocloud')
|
||
|
|
machine_type = params.get('machine_type')
|
||
|
|
headless = params.get('headless')
|
||
|
|
smbios_uuid = params.get('smbios_uuid')
|
||
|
|
hugepage_size = params.get('hugepage_size')
|
||
|
|
tablets = params.get('tablets')
|
||
|
|
cpu_shares = params.get('cpu_shares')
|
||
|
|
cpu_limit = params.get('cpu_limit')
|
||
|
|
node_affinity = params.get('node_affinity')
|
||
|
|
vm_affinity = params.get('affinity')
|
||
|
|
vm_anti_affinity = params.get('anti_affinity')
|
||
|
|
hostname = params.get('hostname')
|
||
|
|
subdomain = params.get('subdomain')
|
||
|
|
template_spec = template['spec']
|
||
|
|
|
||
|
|
# Merge additional flat parameters:
|
||
|
|
if memory:
|
||
|
|
template_spec['domain']['resources']['requests']['memory'] = memory
|
||
|
|
|
||
|
|
if cpu_shares:
|
||
|
|
template_spec['domain']['resources']['requests']['cpu'] = cpu_shares
|
||
|
|
|
||
|
|
if cpu_limit:
|
||
|
|
template_spec['domain']['resources']['limits']['cpu'] = cpu_limit
|
||
|
|
|
||
|
|
if tablets:
|
||
|
|
for tablet in tablets:
|
||
|
|
tablet['type'] = 'tablet'
|
||
|
|
template_spec['domain']['devices']['inputs'] = tablets
|
||
|
|
|
||
|
|
if memory_limit:
|
||
|
|
template_spec['domain']['resources']['limits']['memory'] = memory_limit
|
||
|
|
|
||
|
|
if hugepage_size is not None:
|
||
|
|
template_spec['domain']['memory']['hugepages']['pageSize'] = hugepage_size
|
||
|
|
|
||
|
|
if cpu_features is not None:
|
||
|
|
template_spec['domain']['cpu']['features'] = cpu_features
|
||
|
|
|
||
|
|
if cpu_cores is not None:
|
||
|
|
template_spec['domain']['cpu']['cores'] = cpu_cores
|
||
|
|
|
||
|
|
if cpu_model:
|
||
|
|
template_spec['domain']['cpu']['model'] = cpu_model
|
||
|
|
|
||
|
|
if labels:
|
||
|
|
template['metadata']['labels'] = self.merge_dicts(labels, template['metadata']['labels'])
|
||
|
|
|
||
|
|
if machine_type:
|
||
|
|
template_spec['domain']['machine']['type'] = machine_type
|
||
|
|
|
||
|
|
if bootloader:
|
||
|
|
template_spec['domain']['firmware']['bootloader'] = {bootloader: {}}
|
||
|
|
|
||
|
|
if smbios_uuid:
|
||
|
|
template_spec['domain']['firmware']['uuid'] = smbios_uuid
|
||
|
|
|
||
|
|
if headless is not None:
|
||
|
|
template_spec['domain']['devices']['autoattachGraphicsDevice'] = not headless
|
||
|
|
|
||
|
|
if vm_affinity or vm_anti_affinity:
|
||
|
|
vms_affinity = vm_affinity or vm_anti_affinity
|
||
|
|
affinity_name = 'podAffinity' if vm_affinity else 'podAntiAffinity'
|
||
|
|
for affinity in vms_affinity.get('soft', []):
|
||
|
|
if not template_spec['affinity'][affinity_name]['preferredDuringSchedulingIgnoredDuringExecution']:
|
||
|
|
template_spec['affinity'][affinity_name]['preferredDuringSchedulingIgnoredDuringExecution'] = []
|
||
|
|
template_spec['affinity'][affinity_name]['preferredDuringSchedulingIgnoredDuringExecution'].append({
|
||
|
|
'weight': affinity.get('weight'),
|
||
|
|
'podAffinityTerm': {
|
||
|
|
'labelSelector': {
|
||
|
|
'matchExpressions': affinity.get('term').get('match_expressions'),
|
||
|
|
},
|
||
|
|
'topologyKey': affinity.get('topology_key'),
|
||
|
|
},
|
||
|
|
})
|
||
|
|
for affinity in vms_affinity.get('hard', []):
|
||
|
|
if not template_spec['affinity'][affinity_name]['requiredDuringSchedulingIgnoredDuringExecution']:
|
||
|
|
template_spec['affinity'][affinity_name]['requiredDuringSchedulingIgnoredDuringExecution'] = []
|
||
|
|
template_spec['affinity'][affinity_name]['requiredDuringSchedulingIgnoredDuringExecution'].append({
|
||
|
|
'labelSelector': {
|
||
|
|
'matchExpressions': affinity.get('term').get('match_expressions'),
|
||
|
|
},
|
||
|
|
'topologyKey': affinity.get('topology_key'),
|
||
|
|
})
|
||
|
|
|
||
|
|
if node_affinity:
|
||
|
|
for affinity in node_affinity.get('soft', []):
|
||
|
|
if not template_spec['affinity']['nodeAffinity']['preferredDuringSchedulingIgnoredDuringExecution']:
|
||
|
|
template_spec['affinity']['nodeAffinity']['preferredDuringSchedulingIgnoredDuringExecution'] = []
|
||
|
|
template_spec['affinity']['nodeAffinity']['preferredDuringSchedulingIgnoredDuringExecution'].append({
|
||
|
|
'weight': affinity.get('weight'),
|
||
|
|
'preference': {
|
||
|
|
'matchExpressions': affinity.get('term').get('match_expressions'),
|
||
|
|
}
|
||
|
|
})
|
||
|
|
for affinity in node_affinity.get('hard', []):
|
||
|
|
if not template_spec['affinity']['nodeAffinity']['requiredDuringSchedulingIgnoredDuringExecution']['nodeSelectorTerms']:
|
||
|
|
template_spec['affinity']['nodeAffinity']['requiredDuringSchedulingIgnoredDuringExecution']['nodeSelectorTerms'] = []
|
||
|
|
template_spec['affinity']['nodeAffinity']['requiredDuringSchedulingIgnoredDuringExecution']['nodeSelectorTerms'].append({
|
||
|
|
'matchExpressions': affinity.get('term').get('match_expressions'),
|
||
|
|
})
|
||
|
|
|
||
|
|
if hostname:
|
||
|
|
template_spec['hostname'] = hostname
|
||
|
|
|
||
|
|
if subdomain:
|
||
|
|
template_spec['subdomain'] = subdomain
|
||
|
|
|
||
|
|
# Define disks
|
||
|
|
self._define_disks(disks, template_spec, defaults)
|
||
|
|
|
||
|
|
# Define cloud init disk if defined:
|
||
|
|
# Note, that this must be called after _define_disks, so the cloud_init
|
||
|
|
# is not first in order and it's not used as boot disk:
|
||
|
|
self._define_cloud_init(cloud_init_nocloud, template_spec)
|
||
|
|
|
||
|
|
# Define interfaces:
|
||
|
|
self._define_interfaces(interfaces, template_spec, defaults)
|
||
|
|
|
||
|
|
# Define datavolumes:
|
||
|
|
self._define_datavolumes(datavolumes, definition['spec'])
|
||
|
|
|
||
|
|
return self.merge_dicts(definition, self.resource_definitions[0])
|
||
|
|
|
||
|
|
def construct_vm_definition(self, kind, definition, template, defaults=None):
|
||
|
|
definition = self._construct_vm_definition(kind, definition, template, self.params, defaults)
|
||
|
|
resource = self.find_supported_resource(kind)
|
||
|
|
definition = self.set_defaults(resource, definition)
|
||
|
|
return resource, definition
|
||
|
|
|
||
|
|
def construct_vm_template_definition(self, kind, definition, template, params):
|
||
|
|
definition = self._construct_vm_definition(kind, definition, template, params)
|
||
|
|
resource = self.find_resource(kind, definition['apiVersion'], fail=True)
|
||
|
|
|
||
|
|
# Set defaults:
|
||
|
|
definition['kind'] = kind
|
||
|
|
definition['metadata']['name'] = params.get('name')
|
||
|
|
definition['metadata']['namespace'] = params.get('namespace')
|
||
|
|
|
||
|
|
return resource, definition
|
||
|
|
|
||
|
|
def execute_crud(self, kind, definition):
|
||
|
|
""" Module execution """
|
||
|
|
resource = self.find_supported_resource(kind)
|
||
|
|
definition = self.set_defaults(resource, definition)
|
||
|
|
return self.perform_action(resource, definition)
|