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decort-ansible/library/decort_k8s.py

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#!/usr/bin/python
#
# Digital Enegry Cloud Orchestration Technology (DECORT) modules for Ansible
# Copyright: (c) 2018-2021 Digital Energy Cloud Solutions LLC
#
# Apache License 2.0 (see http://www.apache.org/licenses/LICENSE-2.0.txt)
#
#
# Author: Aleksandr Malyavin (aleksandr.malyavin@digitalenergy.online)
#
ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ['preview'],
'supported_by': 'community'}
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.basic import env_fallback
from ansible.module_utils.decort_utils import *
class decort_k8s(DecortController):
def __init__(self,arg_amodule):
super(decort_k8s, self).__init__(arg_amodule)
validated_acc_id = 0
validated_rg_id = 0
validated_rg_facts = None
validated_k8ci_id = 0
if arg_amodule.params['name'] == "" and arg_amodule.params['id'] == 0:
self.result['failed'] = True
self.result['changed'] = False
self.result['msg'] = "Cannot manage k8s cluster when its ID is 0 and name is empty."
self.fail_json(**self.result)
if not arg_amodule.params['id']:
if not arg_amodule.params['rg_id']: # RG ID is not set -> locate RG by name -> need account ID
validated_acc_id, _ = self.account_find(arg_amodule.params['account_name'],
arg_amodule.params['account_id'])
if not validated_acc_id:
self.result['failed'] = True
self.result['changed'] = False
self.result['msg'] = ("Current user does not have access to the account ID {} / "
"name '{}' or non-existent account specified.").format(arg_amodule.params['account_id'],
arg_amodule.params['account_name'])
self.fail_json(**self.result)
# fail the module -> exit
# now validate RG
validated_rg_id, validated_rg_facts = self.rg_find(validated_acc_id,
arg_amodule.params['rg_id'],)
if not validated_rg_id:
self.result['failed'] = True
self.result['changed'] = False
self.result['msg'] = "Cannot find RG ID {} / name '{}'.".format(arg_amodule.params['rg_id'],
arg_amodule.params['rg_name'])
self.fail_json(**self.result)
# fail the module - exit
#validate k8ci ID
validated_k8ci_id = self.k8s_k8ci_find(arg_amodule.params['k8ci_id'])
if not validated_k8ci_id:
self.result['failed'] = True
self.result['changed'] = False
self.result['msg'] = "Cannot find K8CI ID {}.".format(arg_amodule.params['k8ci_id'])
self.fail_json(**self.result)
self.rg_id = validated_rg_id
arg_amodule.params['rg_id'] = validated_rg_id
arg_amodule.params['rg_name'] = validated_rg_facts['name']
self.acc_id = validated_rg_facts['accountId']
arg_amodule.params['k8ci_id'] = validated_k8ci_id
self.k8s_id,self.k8s_info = self.k8s_find(k8s_id=arg_amodule.params['id'],
k8s_name=arg_amodule.params['name'],
rg_id=validated_rg_id,
check_state=False)
if self.k8s_id:
self.k8s_should_exist = True
self.acc_id = self.k8s_info['accountId']
# check workers and groups for add or remove
return
def package_facts(self,check_mode=False):
ret_dict = dict(
name="",
state="CHECK_MODE",
account_id=0,
rg_id=0,
config=None,
)
if check_mode:
# in check mode return immediately with the default values
return ret_dict
#if self.k8s_facts is None:
# #if void facts provided - change state value to ABSENT and return
# ret_dict['state'] = "ABSENT"
# return ret_dict
ret_dict['id'] = self.k8s_info['id']
ret_dict['name'] = self.k8s_info['name']
ret_dict['techStatus'] = self.k8s_info['techStatus']
ret_dict['state'] = self.k8s_info['status']
ret_dict['rg_id'] = self.rg_id
ret_dict['account_id'] = self.acc_id
if self.amodule.params['getConfig'] and self.k8s_info['techStatus'] == "STARTED":
ret_dict['config'] = self.k8s_getConfig()
return ret_dict
def nop(self):
"""No operation (NOP) handler for Compute management by decort_kvmvm module.
This function is intended to be called from the main switch construct of the module
when current state -> desired state change logic does not require any changes to
the actual Compute state.
"""
self.result['failed'] = False
self.result['changed'] = False
if self.k8s_id:
self.result['msg'] = ("No state change required for K8s ID {} because of its "
"current status '{}'.").format(self.k8s_id, self.k8s_info['status'])
else:
self.result['msg'] = ("No state change to '{}' can be done for "
"non-existent K8s instance.").format(self.amodule.params['state'])
return
def error(self):
self.result['failed'] = True
self.result['changed'] = False
if self.k8s_id:
self.result['msg'] = ("Invalid target state '{}' requested for K8s cluster ID {} in the "
"current status '{}'.").format(self.k8s_id,
self.amodule.params['state'],
self.k8s_info['status'])
else:
self.result['msg'] = ("Invalid target state '{}' requested for non-existent K8s Cluster name '{}' "
"in RG ID {} / name '{}'").format(self.amodule.params['state'],
self.amodule.params['name'],
self.amodule.params['rg_id'],
self.amodule.params['rg_name'])
return
def create(self):
self.k8s_provision(self.amodule.params['name'],
self.amodule.params['workers'][0]['name'],
self.amodule.params['k8ci_id'],
self.amodule.params['rg_id'],
self.amodule.params['master_count'],
self.amodule.params['master_cpu'],
self.amodule.params['master_ram_mb'],
self.amodule.params['master_disk_gb'],
self.amodule.params['workers'][0]['num'],
self.amodule.params['workers'][0]['cpu'],
self.amodule.params['workers'][0]['ram'],
self.amodule.params['workers'][0]['disk'],
self.amodule.params['extnet_id'],
self.amodule.params['with_lb'],
self.amodule.params['description'],)
self.k8s_id,self.k8s_info = self.k8s_find(k8s_id=self.amodule.params['id'],
k8s_name=self.amodule.params['name'],
rg_id=self.rg_id,
check_state=False)
if self.k8s_id:
self.k8s_should_exist = True
if self.k8s_id and self.amodule.params['workers'][1]:
self.k8s_workers_modify(self.k8s_info,self.amodule.params['workers'])
return
def destroy(self):
self.k8s_delete(self.k8s_id)
self.k8s_info['status'] = 'DELETED'
self.k8s_should_exist = False
return
def action(self,disared_state,started=True):
self.k8s_state(self.k8s_info, disared_state,started)
self.k8s_id,self.k8s_info = self.k8s_find(k8s_id=self.amodule.params['id'],
k8s_name=self.amodule.params['name'],
rg_id=self.rg_id,
check_state=False)
if started == True and self.k8s_info['techStatus'] == "STOPPED":
self.k8s_state(self.k8s_info, disared_state,started)
self.k8s_info['techStatus'] == "STARTED"
self.k8s_workers_modify(self.k8s_info,self.amodule.params['workers'])
return
@staticmethod
def build_parameters():
return dict(
account_id=dict(type='int', required=False),
account_name=dict(type='str', required=False, default=''),
annotation=dict(type='str', required=False, default=''),
app_id=dict(type='str',
required=False,
fallback=(env_fallback, ['DECORT_APP_ID'])),
app_secret=dict(type='str',
required=False,
fallback=(env_fallback, ['DECORT_APP_SECRET']),
no_log=True),
authenticator=dict(type='str',
required=True,
choices=['legacy', 'oauth2', 'jwt']),
controller_url=dict(type='str', required=True),
# datacenter=dict(type='str', required=False, default=''),
jwt=dict(type='str',
required=False,
fallback=(env_fallback, ['DECORT_JWT']),
no_log=True),
oauth2_url=dict(type='str',
required=False,
fallback=(env_fallback, ['DECORT_OAUTH2_URL'])),
password=dict(type='str',
required=False,
fallback=(env_fallback, ['DECORT_PASSWORD']),
no_log=True),
quotas=dict(type='dict', required=False),
state=dict(type='str',
default='present',
choices=['absent', 'disabled', 'enabled', 'present','check']),
permanent=dict(type='bool', default=False),
started=dict(type='bool', default=True),
user=dict(type='str',
required=False,
fallback=(env_fallback, ['DECORT_USER'])),
name=dict(type='str', required=True),
id=dict(type='int', required=False, default=0),
getConfig=dict(type='bool',required=False, default=False),
rg_id=dict(type='int', default=0),
rg_name=dict(type='str',default=""),
k8ci_id=dict(type='int', required=True),
wg_name=dict(type='str', required=False),
master_count=dict(type='int', default=1),
master_cpu=dict(type='int', default=2),
master_ram_mb=dict(type='int', default=2048),
master_disk_gb=dict(type='int', default=10),
worker_count=dict(type='int', default=1),
worker_cpu=dict(type='int', default=1),
worker_ram_mb=dict(type='int', default=1024),
worker_disk_gb=dict(type='int', default=10),
workers=dict(type='list'),
extnet_id=dict(type='int', default=0),
description=dict(type='str', default="Created by decort ansible module"),
with_lb=dict(type='bool', default=True),
verify_ssl=dict(type='bool', required=False, default=True),
workflow_callback=dict(type='str', required=False),
workflow_context=dict(type='str', required=False),)
def main():
module_parameters = decort_k8s.build_parameters()
amodule = AnsibleModule(argument_spec=module_parameters,
supports_check_mode=True,
mutually_exclusive=[
['oauth2', 'password'],
['password', 'jwt'],
['jwt', 'oauth2'],
],
required_together=[
['app_id', 'app_secret'],
['user', 'password'],
],
required_one_of=[
['id', 'name'],
['rg_id','rg_name']
],
)
subj = decort_k8s(amodule)
if amodule.params['state'] == 'check':
subj.result['changed'] = False
if subj.k8s_id:
# cluster is found - package facts and report success to Ansible
subj.result['failed'] = False
subj.result['facts'] = subj.package_facts(amodule.check_mode)
amodule.exit_json(**subj.result)
# we exit the module at this point
else:
subj.result['failed'] = True
subj.result['msg'] = ("Cannot locate K8s cluster name '{}'. "
"RG ID {}").format(amodule.params['name'],
amodule.params['rg_id'],)
amodule.fail_json(**subj.result)
if subj.k8s_id:
if subj.k8s_info['status'] in ("DELETING","DESTROYNG","CREATING","DESTROYING",
"ENABLING","DISABLING","RESTORING","MODELED"):
subj.error()
elif subj.k8s_info['status'] == "DELETED":
if amodule.params['state'] in ('disabled', 'enabled', 'present'):
subj.k8s_restore(subj.k8s_id)
subj.action(amodule.params['state'])
if amodule.params['state'] == 'absent':
subj.nop()
elif subj.k8s_info['techStatus'] in ("STARTED","STOPPED"):
if amodule.params['state'] == 'disabled':
subj.action(amodule.params['state'])
elif amodule.params['state'] == 'absent':
subj.destroy()
else:
subj.action(amodule.params['state'],amodule.params['started'])
elif subj.k8s_info['status'] == "DISABLED":
if amodule.params['state'] == 'absent':
subj.destroy()
elif amodule.params['state'] in ('present','enabled'):
subj.action(amodule.params['state'],amodule.params['started'])
else:
subj.nop()
elif subj.k8s_info['status'] == "DESTROED":
if amodule.params['state'] in ('present','enabled'):
subj.create()
if amodule.params['state'] == 'absent':
subj.nop()
else:
if amodule.params['state'] == 'absent':
subj.nop()
if amodule.params['state'] in ('present','started'):
subj.create()
elif amodule.params['state'] in ('stopped', 'disabled','enabled'):
subj.error()
if subj.result['failed']:
amodule.fail_json(**subj.result)
else:
if subj.k8s_should_exist:
subj.result['facts'] = subj.package_facts(amodule.check_mode)
amodule.exit_json(**subj.result)
else:
amodule.exit_json(**subj.result)
if __name__ == "__main__":
main()
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