mirror of
https://github.com/thegeeklab/ansible-later.git
synced 2024-09-10 01:03:07 +02:00
271 lines
8.5 KiB
Python
271 lines
8.5 KiB
Python
![]() |
# Copyright 2018 Red Hat | Ansible
|
||
|
#
|
||
|
# This file is part of Ansible
|
||
|
#
|
||
|
# Ansible is free software: you can redistribute it and/or modify
|
||
|
# it under the terms of the GNU General Public License as published by
|
||
|
# the Free Software Foundation, either version 3 of the License, or
|
||
|
# (at your option) any later version.
|
||
|
#
|
||
|
# Ansible is distributed in the hope that it will be useful,
|
||
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
# GNU General Public License for more details.
|
||
|
#
|
||
|
# You should have received a copy of the GNU General Public License
|
||
|
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
||
|
from __future__ import absolute_import, division, print_function
|
||
|
|
||
|
import os
|
||
|
import copy
|
||
|
|
||
|
|
||
|
from ansible.module_utils.basic import AnsibleModule
|
||
|
from ansible.module_utils.six import iteritems, string_types
|
||
|
|
||
|
try:
|
||
|
import kubernetes
|
||
|
import openshift
|
||
|
from openshift.dynamic import DynamicClient
|
||
|
from openshift.dynamic.exceptions import ResourceNotFoundError, ResourceNotUniqueError
|
||
|
HAS_K8S_MODULE_HELPER = True
|
||
|
except ImportError:
|
||
|
HAS_K8S_MODULE_HELPER = False
|
||
|
|
||
|
try:
|
||
|
import yaml
|
||
|
HAS_YAML = True
|
||
|
except ImportError:
|
||
|
HAS_YAML = False
|
||
|
|
||
|
try:
|
||
|
import dictdiffer
|
||
|
HAS_DICTDIFFER = True
|
||
|
except ImportError:
|
||
|
HAS_DICTDIFFER = False
|
||
|
|
||
|
try:
|
||
|
import urllib3
|
||
|
urllib3.disable_warnings()
|
||
|
except ImportError:
|
||
|
pass
|
||
|
|
||
|
|
||
|
def list_dict_str(value):
|
||
|
if isinstance(value, list):
|
||
|
return value
|
||
|
elif isinstance(value, dict):
|
||
|
return value
|
||
|
elif isinstance(value, string_types):
|
||
|
return value
|
||
|
raise TypeError
|
||
|
|
||
|
|
||
|
ARG_ATTRIBUTES_BLACKLIST = ('property_path',)
|
||
|
|
||
|
COMMON_ARG_SPEC = {
|
||
|
'state': {
|
||
|
'default': 'present',
|
||
|
'choices': ['present', 'absent'],
|
||
|
},
|
||
|
'force': {
|
||
|
'type': 'bool',
|
||
|
'default': False,
|
||
|
},
|
||
|
'resource_definition': {
|
||
|
'type': list_dict_str,
|
||
|
'aliases': ['definition', 'inline']
|
||
|
},
|
||
|
'src': {
|
||
|
'type': 'path',
|
||
|
},
|
||
|
'kind': {},
|
||
|
'name': {},
|
||
|
'namespace': {},
|
||
|
'api_version': {
|
||
|
'default': 'v1',
|
||
|
'aliases': ['api', 'version'],
|
||
|
},
|
||
|
}
|
||
|
|
||
|
AUTH_ARG_SPEC = {
|
||
|
'kubeconfig': {
|
||
|
'type': 'path',
|
||
|
},
|
||
|
'context': {},
|
||
|
'host': {},
|
||
|
'api_key': {
|
||
|
'no_log': True,
|
||
|
},
|
||
|
'username': {},
|
||
|
'password': {
|
||
|
'no_log': True,
|
||
|
},
|
||
|
'verify_ssl': {
|
||
|
'type': 'bool',
|
||
|
},
|
||
|
'ssl_ca_cert': {
|
||
|
'type': 'path',
|
||
|
},
|
||
|
'cert_file': {
|
||
|
'type': 'path',
|
||
|
},
|
||
|
'key_file': {
|
||
|
'type': 'path',
|
||
|
},
|
||
|
}
|
||
|
|
||
|
|
||
|
class K8sAnsibleMixin(object):
|
||
|
_argspec_cache = None
|
||
|
|
||
|
@property
|
||
|
def argspec(self):
|
||
|
"""
|
||
|
Introspect the model properties, and return an Ansible module arg_spec dict.
|
||
|
:return: dict
|
||
|
"""
|
||
|
if self._argspec_cache:
|
||
|
return self._argspec_cache
|
||
|
argument_spec = copy.deepcopy(COMMON_ARG_SPEC)
|
||
|
argument_spec.update(copy.deepcopy(AUTH_ARG_SPEC))
|
||
|
self._argspec_cache = argument_spec
|
||
|
return self._argspec_cache
|
||
|
|
||
|
def get_api_client(self, **auth_params):
|
||
|
auth_args = AUTH_ARG_SPEC.keys()
|
||
|
|
||
|
auth_params = auth_params or getattr(self, 'params', {})
|
||
|
auth = copy.deepcopy(auth_params)
|
||
|
|
||
|
# If authorization variables aren't defined, look for them in environment variables
|
||
|
for arg in auth_args:
|
||
|
if auth_params.get(arg) is None:
|
||
|
env_value = os.getenv('K8S_AUTH_{0}'.format(arg.upper()), None)
|
||
|
if env_value is not None:
|
||
|
auth[arg] = env_value
|
||
|
|
||
|
def auth_set(*names):
|
||
|
return all([auth.get(name) for name in names])
|
||
|
|
||
|
if auth_set('username', 'password', 'host') or auth_set('api_key', 'host'):
|
||
|
# We have enough in the parameters to authenticate, no need to load incluster or kubeconfig
|
||
|
pass
|
||
|
elif auth_set('kubeconfig') or auth_set('context'):
|
||
|
kubernetes.config.load_kube_config(auth.get('kubeconfig'), auth.get('context'))
|
||
|
else:
|
||
|
# First try to do incluster config, then kubeconfig
|
||
|
try:
|
||
|
kubernetes.config.load_incluster_config()
|
||
|
except kubernetes.config.ConfigException:
|
||
|
kubernetes.config.load_kube_config(auth.get('kubeconfig'), auth.get('context'))
|
||
|
|
||
|
# Override any values in the default configuration with Ansible parameters
|
||
|
configuration = kubernetes.client.Configuration()
|
||
|
for key, value in iteritems(auth):
|
||
|
if key in auth_args and value is not None:
|
||
|
if key == 'api_key':
|
||
|
setattr(configuration, key, {'authorization': "Bearer {0}".format(value)})
|
||
|
else:
|
||
|
setattr(configuration, key, value)
|
||
|
|
||
|
kubernetes.client.Configuration.set_default(configuration)
|
||
|
return DynamicClient(kubernetes.client.ApiClient(configuration))
|
||
|
|
||
|
def client_from_kubeconfig(self, config_file, context):
|
||
|
try:
|
||
|
return kubernetes.config.new_client_from_config(config_file, context)
|
||
|
except (IOError, kubernetes.config.ConfigException):
|
||
|
# If we failed to load the default config file then we'll return
|
||
|
# an empty configuration
|
||
|
# If one was specified, we will crash
|
||
|
if not config_file:
|
||
|
return kubernetes.client.ApiClient()
|
||
|
raise
|
||
|
|
||
|
def find_resource(self, kind, api_version, fail=False):
|
||
|
for attribute in ['kind', 'name', 'singular_name']:
|
||
|
try:
|
||
|
return self.client.resources.get(**{'api_version': api_version, attribute: kind})
|
||
|
except (ResourceNotFoundError, ResourceNotUniqueError):
|
||
|
pass
|
||
|
try:
|
||
|
return self.client.resources.get(api_version=api_version, short_names=[kind])
|
||
|
except (ResourceNotFoundError, ResourceNotUniqueError):
|
||
|
if fail:
|
||
|
self.fail(msg='Failed to find exact match for {0}.{1} by [kind, name, singularName, shortNames]'.format(api_version, kind))
|
||
|
|
||
|
def kubernetes_facts(self, kind, api_version, name=None, namespace=None, label_selectors=None, field_selectors=None):
|
||
|
resource = self.find_resource(kind, api_version)
|
||
|
if not resource:
|
||
|
return dict(resources=[])
|
||
|
try:
|
||
|
result = resource.get(name=name,
|
||
|
namespace=namespace,
|
||
|
label_selector=','.join(label_selectors),
|
||
|
field_selector=','.join(field_selectors)).to_dict()
|
||
|
except openshift.dynamic.exceptions.NotFoundError:
|
||
|
return dict(resources=[])
|
||
|
|
||
|
if 'items' in result:
|
||
|
return dict(resources=result['items'])
|
||
|
else:
|
||
|
return dict(resources=[result])
|
||
|
|
||
|
def remove_aliases(self):
|
||
|
"""
|
||
|
The helper doesn't know what to do with aliased keys
|
||
|
"""
|
||
|
for k, v in iteritems(self.argspec):
|
||
|
if 'aliases' in v:
|
||
|
for alias in v['aliases']:
|
||
|
if alias in self.params:
|
||
|
self.params.pop(alias)
|
||
|
|
||
|
def load_resource_definitions(self, src):
|
||
|
""" Load the requested src path """
|
||
|
result = None
|
||
|
path = os.path.normpath(src)
|
||
|
if not os.path.exists(path):
|
||
|
self.fail(msg="Error accessing {0}. Does the file exist?".format(path))
|
||
|
try:
|
||
|
with open(path, 'r') as f:
|
||
|
result = list(yaml.safe_load_all(f))
|
||
|
except (IOError, yaml.YAMLError) as exc:
|
||
|
self.fail(msg="Error loading resource_definition: {0}".format(exc))
|
||
|
return result
|
||
|
|
||
|
@staticmethod
|
||
|
def diff_objects(existing, new):
|
||
|
if not HAS_DICTDIFFER:
|
||
|
return False, []
|
||
|
|
||
|
diffs = list(dictdiffer.diff(new, existing))
|
||
|
match = len(diffs) == 0
|
||
|
return match, diffs
|
||
|
|
||
|
|
||
|
class KubernetesAnsibleModule(AnsibleModule, K8sAnsibleMixin):
|
||
|
resource_definition = None
|
||
|
api_version = None
|
||
|
kind = None
|
||
|
|
||
|
def __init__(self, *args, **kwargs):
|
||
|
|
||
|
kwargs['argument_spec'] = self.argspec
|
||
|
AnsibleModule.__init__(self, *args, **kwargs)
|
||
|
|
||
|
if not HAS_K8S_MODULE_HELPER:
|
||
|
self.fail_json(msg="This module requires the OpenShift Python client. Try `pip install openshift`")
|
||
|
self.openshift_version = openshift.__version__
|
||
|
|
||
|
if not HAS_YAML:
|
||
|
self.fail_json(msg="This module requires PyYAML. Try `pip install PyYAML`")
|
||
|
|
||
|
def execute_module(self):
|
||
|
raise NotImplementedError()
|
||
|
|
||
|
def fail(self, msg=None):
|
||
|
self.fail_json(msg=msg)
|