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Update kubevirt_vm with new feautures (#52311)
This commit is contained in:
Ondra Machacek
Abhijeet Kasurde
parent
664e6fb9c8
commit
435e0c5dba
3 changed files with 143 additions and 32 deletions
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@ -5,6 +5,7 @@
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from collections import defaultdict
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from distutils.version import Version
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from ansible.module_utils.k8s.common import list_dict_str
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from ansible.module_utils.k8s.raw import KubernetesRawModule
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@ -16,8 +17,10 @@ except ImportError:
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# Handled in k8s common:
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pass
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import re
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API_VERSION = 'kubevirt.io/v1alpha3'
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MAX_SUPPORTED_API_VERSION = 'v1alpha3'
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API_GROUP = 'kubevirt.io'
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VM_COMMON_ARG_SPEC = {
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@ -34,11 +37,12 @@ VM_COMMON_ARG_SPEC = {
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'type': 'path',
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},
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'namespace': {},
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'api_version': {'type': 'str', 'default': API_VERSION, 'aliases': ['api', 'version']},
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'api_version': {'type': 'str', 'default': '%s/%s' % (API_GROUP, MAX_SUPPORTED_API_VERSION), 'aliases': ['api', 'version']},
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'merge_type': {'type': 'list', 'choices': ['json', 'merge', 'strategic-merge']},
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'wait': {'type': 'bool', 'default': True},
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'wait_timeout': {'type': 'int', 'default': 120},
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'memory': {'type': 'str'},
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'cpu_cores': {'type': 'int'},
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'disks': {'type': 'list'},
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'labels': {'type': 'dict'},
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'interfaces': {'type': 'list'},
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@ -54,9 +58,63 @@ def virtdict():
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return defaultdict(virtdict)
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class KubeAPIVersion(Version):
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component_re = re.compile(r'(\d+ | [a-z]+)', re.VERBOSE)
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def __init__(self, vstring=None):
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if vstring:
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self.parse(vstring)
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def parse(self, vstring):
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self.vstring = vstring
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components = [x for x in self.component_re.split(vstring) if x]
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for i, obj in enumerate(components):
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try:
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components[i] = int(obj)
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except ValueError:
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pass
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errmsg = "version '{0}' does not conform to kubernetes api versioning guidelines".format(vstring)
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c = components
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if len(c) not in (2, 4) or c[0] != 'v' or not isinstance(c[1], int):
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raise ValueError(errmsg)
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if len(c) == 4 and (c[2] not in ('alpha', 'beta') or not isinstance(c[3], int)):
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raise ValueError(errmsg)
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self.version = components
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def __str__(self):
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return self.vstring
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def __repr__(self):
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return "KubeAPIVersion ('{0}')".format(str(self))
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def _cmp(self, other):
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if isinstance(other, str):
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other = KubeAPIVersion(other)
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myver = self.version
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otherver = other.version
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for ver in myver, otherver:
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if len(ver) == 2:
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ver.extend(['zeta', 9999])
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if myver == otherver:
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return 0
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if myver < otherver:
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return -1
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if myver > otherver:
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return 1
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# python2 compatibility
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def __cmp__(self, other):
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return self._cmp(other)
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class KubeVirtRawModule(KubernetesRawModule):
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def __init__(self, *args, **kwargs):
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self.api_version = API_VERSION
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super(KubeVirtRawModule, self).__init__(*args, **kwargs)
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@staticmethod
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@ -99,8 +157,7 @@ class KubeVirtRawModule(KubernetesRawModule):
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def _define_cloud_init(self, cloud_init_nocloud, template_spec):
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"""
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Takes the user's cloud_init_nocloud parameter and fill it in kubevirt
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API strucuture. The name of the volume is hardcoded to ansiblecloudinitvolume
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and the name for disk is hardcoded to ansiblecloudinitdisk.
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API strucuture. The name for disk is hardcoded to ansiblecloudinitdisk.
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"""
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if cloud_init_nocloud:
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if not template_spec['volumes']:
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@ -108,10 +165,9 @@ class KubeVirtRawModule(KubernetesRawModule):
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if not template_spec['domain']['devices']['disks']:
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template_spec['domain']['devices']['disks'] = []
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template_spec['volumes'].append({'name': 'ansiblecloudinitvolume', 'cloudInitNoCloud': cloud_init_nocloud})
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template_spec['volumes'].append({'name': 'ansiblecloudinitdisk', 'cloudInitNoCloud': cloud_init_nocloud})
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template_spec['domain']['devices']['disks'].append({
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'name': 'ansiblecloudinitdisk',
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'volumeName': 'ansiblecloudinitvolume',
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'disk': {'bus': 'virtio'},
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})
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@ -125,7 +181,9 @@ class KubeVirtRawModule(KubernetesRawModule):
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spec_interfaces = []
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for i in interfaces:
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spec_interfaces.append(dict((k, v) for k, v in i.items() if k != 'network'))
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template_spec['domain']['devices']['interfaces'] = spec_interfaces
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if 'interfaces' not in template_spec['domain']['devices']:
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template_spec['domain']['devices']['interfaces'] = []
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template_spec['domain']['devices']['interfaces'].extend(spec_interfaces)
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# Extract networks k8s specification from interfaces list passed to Ansible:
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spec_networks = []
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@ -133,7 +191,9 @@ class KubeVirtRawModule(KubernetesRawModule):
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net = i['network']
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net['name'] = i['name']
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spec_networks.append(net)
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template_spec['networks'] = spec_networks
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if 'networks' not in template_spec:
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template_spec['networks'] = []
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template_spec['networks'].extend(spec_networks)
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def _define_disks(self, disks, template_spec):
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"""
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@ -145,7 +205,9 @@ class KubeVirtRawModule(KubernetesRawModule):
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spec_disks = []
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for d in disks:
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spec_disks.append(dict((k, v) for k, v in d.items() if k != 'volume'))
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template_spec['domain']['devices']['disks'] = spec_disks
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if 'disks' not in template_spec['domain']['devices']:
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template_spec['domain']['devices']['disks'] = []
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template_spec['domain']['devices']['disks'].extend(spec_disks)
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# Extract volumes k8s specification from disks list passed to Ansible:
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spec_volumes = []
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@ -153,24 +215,40 @@ class KubeVirtRawModule(KubernetesRawModule):
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volume = d['volume']
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volume['name'] = d['name']
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spec_volumes.append(volume)
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template_spec['volumes'] = spec_volumes
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if 'volumes' not in template_spec:
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template_spec['volumes'] = []
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template_spec['volumes'].extend(spec_volumes)
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def execute_crud(self, kind, definition, template):
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""" Module execution """
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def find_supported_resource(self, kind):
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results = self.client.resources.search(kind=kind, group=API_GROUP)
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if not results:
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self.fail('Failed to find resource {0} in {1}'.format(kind, API_GROUP))
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sr = sorted(results, key=lambda r: KubeAPIVersion(r.api_version), reverse=True)
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for r in sr:
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if KubeAPIVersion(r.api_version) <= KubeAPIVersion(MAX_SUPPORTED_API_VERSION):
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return r
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self.fail("API versions {0} are too recent. Max supported is {1}/{2}.".format(
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str([r.api_version for r in sr]), API_GROUP, MAX_SUPPORTED_API_VERSION))
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def _construct_vm_definition(self, kind, definition, template, params):
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self.client = self.get_api_client()
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disks = self.params.get('disks', [])
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memory = self.params.get('memory')
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labels = self.params.get('labels')
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interfaces = self.params.get('interfaces')
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cloud_init_nocloud = self.params.get('cloud_init_nocloud')
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machine_type = self.params.get('machine_type')
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disks = params.get('disks', [])
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memory = params.get('memory')
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cpu_cores = params.get('cpu_cores')
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labels = params.get('labels')
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interfaces = params.get('interfaces')
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cloud_init_nocloud = params.get('cloud_init_nocloud')
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machine_type = params.get('machine_type')
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template_spec = template['spec']
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# Merge additional flat parameters:
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if memory:
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template_spec['domain']['resources']['requests']['memory'] = memory
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if cpu_cores is not None:
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template_spec['domain']['cpu']['cores'] = cpu_cores
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if labels:
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template['metadata']['labels'] = labels
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@ -188,6 +266,28 @@ class KubeVirtRawModule(KubernetesRawModule):
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# Perform create/absent action:
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definition = dict(self.merge_dicts(self.resource_definitions[0], definition))
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resource = self.find_resource(kind, self.api_version, fail=True)
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resource = self.find_supported_resource(kind)
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return dict(self.merge_dicts(self.resource_definitions[0], definition))
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def construct_vm_definition(self, kind, definition, template):
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definition = self._construct_vm_definition(kind, definition, template, self.params)
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resource = self.find_supported_resource(kind)
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definition = self.set_defaults(resource, definition)
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return resource, definition
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def construct_vm_template_definition(self, kind, definition, template, params):
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definition = self._construct_vm_definition(kind, definition, template, params)
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resource = self.find_resource(kind, definition['apiVersion'], fail=True)
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# Set defaults:
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definition['kind'] = kind
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definition['metadata']['name'] = params.get('name')
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definition['metadata']['namespace'] = params.get('namespace')
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return resource, definition
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def execute_crud(self, kind, definition):
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""" Module execution """
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resource = self.find_supported_resource(kind)
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definition = self.set_defaults(resource, definition)
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return self.perform_action(resource, definition)
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