ansible/lib/ansible/module_utils/cloudstack.py
René Moser 72f75fd9e0 cloudstack: add helpers to distinguish VMs not in VPC (#18560)
VMs in VPC and not in VPC can have an identical name. As a result VMs in a VPC must be sorted out if no VPC is given.
Due the API limitation, the only way is to check if the network of the VM is in a VPC.
2016-11-20 23:51:50 +01:00

598 lines
22 KiB
Python

# -*- coding: utf-8 -*-
#
# (c) 2015, René Moser <mail@renemoser.net>
#
# This code is part of Ansible, but is an independent component.
# This particular file snippet, and this file snippet only, is BSD licensed.
# Modules you write using this snippet, which is embedded dynamically by Ansible
# still belong to the author of the module, and may assign their own license
# to the complete work.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import os
import time
from ansible.module_utils.six import iteritems
try:
from cs import CloudStack, CloudStackException, read_config
has_lib_cs = True
except ImportError:
has_lib_cs = False
CS_HYPERVISORS = [
"KVM", "kvm",
"VMware", "vmware",
"BareMetal", "baremetal",
"XenServer", "xenserver",
"LXC", "lxc",
"HyperV", "hyperv",
"UCS", "ucs",
"OVM", "ovm",
"Simulator", "simulator",
]
def cs_argument_spec():
return dict(
api_key = dict(default=None),
api_secret = dict(default=None, no_log=True),
api_url = dict(default=None),
api_http_method = dict(choices=['get', 'post'], default='get'),
api_timeout = dict(type='int', default=10),
api_region = dict(default='cloudstack'),
)
def cs_required_together():
return [['api_key', 'api_secret', 'api_url']]
class AnsibleCloudStack(object):
def __init__(self, module):
if not has_lib_cs:
module.fail_json(msg="python library cs required: pip install cs")
self.result = {
'changed': False,
'diff' : {
'before': dict(),
'after': dict()
}
}
# Common returns, will be merged with self.returns
# search_for_key: replace_with_key
self.common_returns = {
'id': 'id',
'name': 'name',
'created': 'created',
'zonename': 'zone',
'state': 'state',
'project': 'project',
'account': 'account',
'domain': 'domain',
'displaytext': 'display_text',
'displayname': 'display_name',
'description': 'description',
}
# Init returns dict for use in subclasses
self.returns = {}
# these values will be casted to int
self.returns_to_int = {}
# these keys will be compared case sensitive in self.has_changed()
self.case_sensitive_keys = [
'id',
'displaytext',
'displayname',
'description',
]
self.module = module
self._connect()
# Helper for VPCs
self._vpc_networks_ids = None
self.domain = None
self.account = None
self.project = None
self.ip_address = None
self.network = None
self.vpc = None
self.zone = None
self.vm = None
self.vm_default_nic = None
self.os_type = None
self.hypervisor = None
self.capabilities = None
def _connect(self):
api_key = self.module.params.get('api_key')
api_secret = self.module.params.get('api_secret')
api_url = self.module.params.get('api_url')
api_http_method = self.module.params.get('api_http_method')
api_timeout = self.module.params.get('api_timeout')
if api_key and api_secret and api_url:
self.cs = CloudStack(
endpoint=api_url,
key=api_key,
secret=api_secret,
timeout=api_timeout,
method=api_http_method
)
else:
api_region = self.module.params.get('api_region', 'cloudstack')
self.cs = CloudStack(**read_config(api_region))
def get_or_fallback(self, key=None, fallback_key=None):
value = self.module.params.get(key)
if not value:
value = self.module.params.get(fallback_key)
return value
# TODO: for backward compatibility only, remove if not used anymore
def _has_changed(self, want_dict, current_dict, only_keys=None):
return self.has_changed(want_dict=want_dict, current_dict=current_dict, only_keys=only_keys)
def has_changed(self, want_dict, current_dict, only_keys=None):
result = False
for key, value in want_dict.iteritems():
# Optionally limit by a list of keys
if only_keys and key not in only_keys:
continue
# Skip None values
if value is None:
continue
if key in current_dict:
if isinstance(value, (int, float, long, complex)):
# ensure we compare the same type
if isinstance(value, int):
current_dict[key] = int(current_dict[key])
elif isinstance(value, float):
current_dict[key] = float(current_dict[key])
elif isinstance(value, long):
current_dict[key] = long(current_dict[key])
elif isinstance(value, complex):
current_dict[key] = complex(current_dict[key])
if value != current_dict[key]:
self.result['diff']['before'][key] = current_dict[key]
self.result['diff']['after'][key] = value
result = True
else:
if self.case_sensitive_keys and key in self.case_sensitive_keys:
if value != current_dict[key].encode('utf-8'):
self.result['diff']['before'][key] = current_dict[key].encode('utf-8')
self.result['diff']['after'][key] = value
result = True
# Test for diff in case insensitive way
elif value.lower() != current_dict[key].encode('utf-8').lower():
self.result['diff']['before'][key] = current_dict[key].encode('utf-8')
self.result['diff']['after'][key] = value
result = True
else:
self.result['diff']['before'][key] = None
self.result['diff']['after'][key] = value
result = True
return result
def _get_by_key(self, key=None, my_dict=None):
if my_dict is None:
my_dict = {}
if key:
if key in my_dict:
return my_dict[key]
self.module.fail_json(msg="Something went wrong: %s not found" % key)
return my_dict
def get_vpc(self, key=None):
"""Return a VPC dictionary or the value of given key of."""
if self.vpc:
return self._get_by_key(key, self.vpc)
vpc = self.module.params.get('vpc')
if not vpc:
vpc = os.environ.get('CLOUDSTACK_VPC')
if not vpc:
return None
args = {
'account': self.get_account(key='name'),
'domainid': self.get_domain(key='id'),
'projectid': self.get_project(key='id'),
'zoneid': self.get_zone(key='id'),
}
vpcs = self.cs.listVPCs(**args)
if not vpcs:
self.module.fail_json(msg="No VPCs available.")
for v in vpcs['vpc']:
if vpc in [v['displaytext'], v['name'], v['id']]:
self.vpc = v
return self._get_by_key(key, self.vpc)
self.module.fail_json(msg="VPC '%s' not found" % vpc)
def is_vm_in_vpc(self, vm):
for n in vm.get('nic'):
if n.get('isdefault', False):
return self.is_vpc_network(network_id=n['networkid'])
self.module.fail_json(msg="VM has no default nic")
def is_vpc_network(self, network_id):
"""Returns True if network is in VPC."""
# This is an efficient way to query a lot of networks at a time
if self._vpc_networks_ids is None:
args = {
'account': self.get_account(key='name'),
'domainid': self.get_domain(key='id'),
'projectid': self.get_project(key='id'),
'zoneid': self.get_zone(key='id'),
}
vpcs = self.cs.listVPCs(**args)
self._vpc_networks_ids = []
if vpcs:
for vpc in vpcs['vpc']:
for n in vpc.get('network',[]):
self._vpc_networks_ids.append(n['id'])
return network_id in self._vpc_networks_ids
def get_network(self, key=None):
"""Return a network dictionary or the value of given key of."""
if self.network:
return self._get_by_key(key, self.network)
network = self.module.params.get('network')
if not network:
return None
args = {
'account': self.get_account(key='name'),
'domainid': self.get_domain(key='id'),
'projectid': self.get_project(key='id'),
'zoneid': self.get_zone(key='id'),
'vpcid': self.get_vpc(key='id')
}
networks = self.cs.listNetworks(**args)
if not networks:
self.module.fail_json(msg="No networks available.")
for n in networks['network']:
# ignore any VPC network if vpc param is not given
if 'vpcid' in n and not self.get_vpc(key='id'):
continue
if network in [n['displaytext'], n['name'], n['id']]:
self.network = n
return self._get_by_key(key, self.network)
self.module.fail_json(msg="Network '%s' not found" % network)
def get_project(self, key=None):
if self.project:
return self._get_by_key(key, self.project)
project = self.module.params.get('project')
if not project:
project = os.environ.get('CLOUDSTACK_PROJECT')
if not project:
return None
args = {}
args['account'] = self.get_account(key='name')
args['domainid'] = self.get_domain(key='id')
projects = self.cs.listProjects(**args)
if projects:
for p in projects['project']:
if project.lower() in [ p['name'].lower(), p['id'] ]:
self.project = p
return self._get_by_key(key, self.project)
self.module.fail_json(msg="project '%s' not found" % project)
def get_ip_address(self, key=None):
if self.ip_address:
return self._get_by_key(key, self.ip_address)
ip_address = self.module.params.get('ip_address')
if not ip_address:
self.module.fail_json(msg="IP address param 'ip_address' is required")
args = {
'ipaddress': ip_address,
'account': self.get_account(key='name'),
'domainid': self.get_domain(key='id'),
'projectid': self.get_project(key='id'),
'vpcid': self.get_vpc(key='id'),
}
ip_addresses = self.cs.listPublicIpAddresses(**args)
if not ip_addresses:
self.module.fail_json(msg="IP address '%s' not found" % args['ipaddress'])
self.ip_address = ip_addresses['publicipaddress'][0]
return self._get_by_key(key, self.ip_address)
def get_vm_guest_ip(self):
vm_guest_ip = self.module.params.get('vm_guest_ip')
default_nic = self.get_vm_default_nic()
if not vm_guest_ip:
return default_nic['ipaddress']
for secondary_ip in default_nic['secondaryip']:
if vm_guest_ip == secondary_ip['ipaddress']:
return vm_guest_ip
self.module.fail_json(msg="Secondary IP '%s' not assigned to VM" % vm_guest_ip)
def get_vm_default_nic(self):
if self.vm_default_nic:
return self.vm_default_nic
nics = self.cs.listNics(virtualmachineid=self.get_vm(key='id'))
if nics:
for n in nics['nic']:
if n['isdefault']:
self.vm_default_nic = n
return self.vm_default_nic
self.module.fail_json(msg="No default IP address of VM '%s' found" % self.module.params.get('vm'))
def get_vm(self, key=None):
if self.vm:
return self._get_by_key(key, self.vm)
vm = self.module.params.get('vm')
if not vm:
self.module.fail_json(msg="Virtual machine param 'vm' is required")
vpc_id = self.get_vpc(key='id')
args = {
'account': self.get_account(key='name'),
'domainid': self.get_domain(key='id'),
'projectid': self.get_project(key='id'),
'zoneid': self.get_zone(key='id'),
'vpcid': vpc_id,
}
vms = self.cs.listVirtualMachines(**args)
if vms:
for v in vms['virtualmachine']:
# Due the limitation of the API, there is no easy way (yet) to get only those VMs
# not belonging to a VPC.
if not vpc_id and self.is_vm_in_vpc(vm=v):
continue
if vm.lower() in [ v['name'].lower(), v['displayname'].lower(), v['id'] ]:
self.vm = v
return self._get_by_key(key, self.vm)
self.module.fail_json(msg="Virtual machine '%s' not found" % vm)
def get_zone(self, key=None):
if self.zone:
return self._get_by_key(key, self.zone)
zone = self.module.params.get('zone')
if not zone:
zone = os.environ.get('CLOUDSTACK_ZONE')
zones = self.cs.listZones()
# use the first zone if no zone param given
if not zone:
self.zone = zones['zone'][0]
return self._get_by_key(key, self.zone)
if zones:
for z in zones['zone']:
if zone.lower() in [ z['name'].lower(), z['id'] ]:
self.zone = z
return self._get_by_key(key, self.zone)
self.module.fail_json(msg="zone '%s' not found" % zone)
def get_os_type(self, key=None):
if self.os_type:
return self._get_by_key(key, self.zone)
os_type = self.module.params.get('os_type')
if not os_type:
return None
os_types = self.cs.listOsTypes()
if os_types:
for o in os_types['ostype']:
if os_type in [ o['description'], o['id'] ]:
self.os_type = o
return self._get_by_key(key, self.os_type)
self.module.fail_json(msg="OS type '%s' not found" % os_type)
def get_hypervisor(self):
if self.hypervisor:
return self.hypervisor
hypervisor = self.module.params.get('hypervisor')
hypervisors = self.cs.listHypervisors()
# use the first hypervisor if no hypervisor param given
if not hypervisor:
self.hypervisor = hypervisors['hypervisor'][0]['name']
return self.hypervisor
for h in hypervisors['hypervisor']:
if hypervisor.lower() == h['name'].lower():
self.hypervisor = h['name']
return self.hypervisor
self.module.fail_json(msg="Hypervisor '%s' not found" % hypervisor)
def get_account(self, key=None):
if self.account:
return self._get_by_key(key, self.account)
account = self.module.params.get('account')
if not account:
account = os.environ.get('CLOUDSTACK_ACCOUNT')
if not account:
return None
domain = self.module.params.get('domain')
if not domain:
self.module.fail_json(msg="Account must be specified with Domain")
args = {}
args['name'] = account
args['domainid'] = self.get_domain(key='id')
args['listall'] = True
accounts = self.cs.listAccounts(**args)
if accounts:
self.account = accounts['account'][0]
return self._get_by_key(key, self.account)
self.module.fail_json(msg="Account '%s' not found" % account)
def get_domain(self, key=None):
if self.domain:
return self._get_by_key(key, self.domain)
domain = self.module.params.get('domain')
if not domain:
domain = os.environ.get('CLOUDSTACK_DOMAIN')
if not domain:
return None
args = {}
args['listall'] = True
domains = self.cs.listDomains(**args)
if domains:
for d in domains['domain']:
if d['path'].lower() in [ domain.lower(), "root/" + domain.lower(), "root" + domain.lower() ]:
self.domain = d
return self._get_by_key(key, self.domain)
self.module.fail_json(msg="Domain '%s' not found" % domain)
def get_tags(self, resource=None):
existing_tags = []
for tag in resource.get('tags',[]):
existing_tags.append({'key': tag['key'], 'value': tag['value']})
return existing_tags
def _process_tags(self, resource, resource_type, tags, operation="create"):
if tags:
self.result['changed'] = True
if not self.module.check_mode:
args = {}
args['resourceids'] = resource['id']
args['resourcetype'] = resource_type
args['tags'] = tags
if operation == "create":
response = self.cs.createTags(**args)
else:
response = self.cs.deleteTags(**args)
self.poll_job(response)
def _tags_that_should_exist_or_be_updated(self, resource, tags):
existing_tags = self.get_tags(resource)
return [tag for tag in tags if tag not in existing_tags]
def _tags_that_should_not_exist(self, resource, tags):
existing_tags = self.get_tags(resource)
return [tag for tag in existing_tags if tag not in tags]
def ensure_tags(self, resource, resource_type=None):
if not resource_type or not resource:
self.module.fail_json(msg="Error: Missing resource or resource_type for tags.")
if 'tags' in resource:
tags = self.module.params.get('tags')
if tags is not None:
self._process_tags(resource, resource_type, self._tags_that_should_not_exist(resource, tags), operation="delete")
self._process_tags(resource, resource_type, self._tags_that_should_exist_or_be_updated(resource, tags))
resource['tags'] = tags
return resource
def get_capabilities(self, key=None):
if self.capabilities:
return self._get_by_key(key, self.capabilities)
capabilities = self.cs.listCapabilities()
self.capabilities = capabilities['capability']
return self._get_by_key(key, self.capabilities)
# TODO: for backward compatibility only, remove if not used anymore
def _poll_job(self, job=None, key=None):
return self.poll_job(job=job, key=key)
def poll_job(self, job=None, key=None):
if 'jobid' in job:
while True:
res = self.cs.queryAsyncJobResult(jobid=job['jobid'])
if res['jobstatus'] != 0 and 'jobresult' in res:
if 'errortext' in res['jobresult']:
self.module.fail_json(msg="Failed: '%s'" % res['jobresult']['errortext'])
if key and key in res['jobresult']:
job = res['jobresult'][key]
break
time.sleep(2)
return job
def get_result(self, resource):
if resource:
returns = self.common_returns.copy()
returns.update(self.returns)
for search_key, return_key in returns.iteritems():
if search_key in resource:
self.result[return_key] = resource[search_key]
# Bad bad API does not always return int when it should.
for search_key, return_key in self.returns_to_int.iteritems():
if search_key in resource:
self.result[return_key] = int(resource[search_key])
# Special handling for tags
if 'tags' in resource:
self.result['tags'] = []
for tag in resource['tags']:
result_tag = {}
result_tag['key'] = tag['key']
result_tag['value'] = tag['value']
self.result['tags'].append(result_tag)
return self.result