def cloud_block_storage(module, state, name, description, meta, size,
snapshot_id, volume_type, wait, wait_timeout,
image):
changed = False
volume = None
instance = {}
cbs = pyrax.cloud_blockstorage
if cbs is None:
module.fail_json(msg='Failed to instantiate client. This '
'typically indicates an invalid region or an '
'incorrectly capitalized region name.')
if image:
# pyrax<1.9.3 did not have support for specifying an image when
# creating a volume which is required for bootable volumes
if LooseVersion(pyrax.version.version) < LooseVersion('1.9.3'):
module.fail_json(msg='Creating a bootable volume requires '
'pyrax>=1.9.3')
image = rax_find_image(module, pyrax, image)
volume = rax_find_volume(module, pyrax, name)
if state == 'present':
if not volume:
kwargs = dict()
if image:
kwargs['image'] = image
try:
volume = cbs.create(name, size=size, volume_type=volume_type,
description=description,
metadata=meta,
snapshot_id=snapshot_id, **kwargs)
changed = True
except Exception as e:
module.fail_json(msg='%s' % e.message)
else:
if wait:
attempts = wait_timeout // 5
pyrax.utils.wait_for_build(volume, interval=5,
attempts=attempts)
volume.get()
instance = rax_to_dict(volume)
result = dict(changed=changed, volume=instance)
if volume.status == 'error':
result['msg'] = '%s failed to build' % volume.id
elif wait and volume.status not in VOLUME_STATUS:
result['msg'] = 'Timeout waiting on %s' % volume.id
if 'msg' in result:
module.fail_json(**result)
else:
module.exit_json(**result)
elif state == 'absent':
if volume:
instance = rax_to_dict(volume)
try:
volume.delete()
changed = True
except Exception as e:
module.fail_json(msg='%s' % e.message)
module.exit_json(changed=changed, volume=instance)
def cloudservers(module,
state=None,
name=None,
flavor=None,
image=None,
meta=None,
key_name=None,
files=None,
wait=True,
wait_timeout=300,
disk_config=None,
count=1,
group=None,
instance_ids=None,
exact_count=False,
networks=None,
count_offset=0,
auto_increment=False,
extra_create_args=None,
user_data=None,
config_drive=False,
boot_from_volume=False,
boot_volume=None,
boot_volume_size=None,
boot_volume_terminate=False):
meta = {} if meta is None else meta
files = {} if files is None else files
instance_ids = [] if instance_ids is None else instance_ids
networks = [] if networks is None else networks
extra_create_args = {} if extra_create_args is None else extra_create_args
cs = pyrax.cloudservers
cnw = pyrax.cloud_networks
if not cnw:
module.fail_json(msg='Failed to instantiate client. This '
'typically indicates an invalid region or an '
'incorrectly capitalized region name.')
if state == 'present' or (state == 'absent' and instance_ids is None):
if not boot_from_volume and not boot_volume and not image:
module.fail_json(msg='image is required for the "rax" module')
for arg, value in dict(name=name, flavor=flavor).items():
if not value:
module.fail_json(msg='%s is required for the "rax" module' %
arg)
if boot_from_volume and not image and not boot_volume:
module.fail_json(msg='image or boot_volume are required for the '
'"rax" with boot_from_volume')
if boot_from_volume and image and not boot_volume_size:
module.fail_json(msg='boot_volume_size is required for the "rax" '
'module with boot_from_volume and image')
if boot_from_volume and image and boot_volume:
image = None
servers = []
# Add the group meta key
if group and 'group' not in meta:
meta['group'] = group
elif 'group' in meta and group is None:
group = meta['group']
# Normalize and ensure all metadata values are strings
for k, v in meta.items():
if isinstance(v, list):
meta[k] = ','.join(['%s' % i for i in v])
elif isinstance(v, dict):
meta[k] = json.dumps(v)
elif not isinstance(v, string_types):
meta[k] = '%s' % v
# When using state=absent with group, the absent block won't match the
# names properly. Use the exact_count functionality to decrease the count
# to the desired level
was_absent = False
if group is not None and state == 'absent':
exact_count = True
state = 'present'
was_absent = True
if image:
image = rax_find_image(module, pyrax, image)
nics = []
if networks:
for network in networks:
nics.extend(rax_find_network(module, pyrax, network))
# act on the state
if state == 'present':
# Idempotent ensurance of a specific count of servers
if exact_count is not False:
# See if we can find servers that match our options
if group is None:
module.fail_json(msg='"group" must be provided when using '
'"exact_count"')
if auto_increment:
numbers = set()
# See if the name is a printf like string, if not append
# %d to the end
try:
name % 0
except TypeError as e:
if e.message.startswith('not all'):
name = '%s%%d' % name
else:
module.fail_json(msg=e.message)
# regex pattern to match printf formatting
pattern = re.sub(r'%\d*[sd]', r'(\d+)', name)
for server in cs.servers.list():
# Ignore DELETED servers
if server.status == 'DELETED':
continue
if server.metadata.get('group') == group:
servers.append(server)
match = re.search(pattern, server.name)
if match:
number = int(match.group(1))
numbers.add(number)
number_range = xrange(count_offset, count_offset + count)
available_numbers = list(set(number_range).difference(numbers))
else: # Not auto incrementing
for server in cs.servers.list():
# Ignore DELETED servers
if server.status == 'DELETED':
continue
if server.metadata.get('group') == group:
servers.append(server)
# available_numbers not needed here, we inspect auto_increment
# again later
# If state was absent but the count was changed,
# assume we only wanted to remove that number of instances
if was_absent:
diff = len(servers) - count
if diff < 0:
count = 0
else:
count = diff
if len(servers) > count:
# We have more servers than we need, set state='absent'
# and delete the extras, this should delete the oldest
state = 'absent'
kept = servers[:count]
del servers[:count]
instance_ids = []
for server in servers:
instance_ids.append(server.id)
delete(module,
instance_ids=instance_ids,
wait=wait,
wait_timeout=wait_timeout,
kept=kept)
elif len(servers) < count:
# we have fewer servers than we need
if auto_increment:
# auto incrementing server numbers
names = []
name_slice = count - len(servers)
numbers_to_use = available_numbers[:name_slice]
for number in numbers_to_use:
names.append(name % number)
else:
# We are not auto incrementing server numbers,
# create a list of 'name' that matches how many we need
names = [name] * (count - len(servers))
else:
# we have the right number of servers, just return info
# about all of the matched servers
instances = []
instance_ids = []
for server in servers:
instances.append(rax_to_dict(server, 'server'))
instance_ids.append(server.id)
module.exit_json(changed=False,
action=None,
instances=instances,
success=[],
error=[],
timeout=[],
instance_ids={
'instances': instance_ids,
'success': [],
'error': [],
'timeout': []
})
else: # not called with exact_count=True
if group is not None:
if auto_increment:
# we are auto incrementing server numbers, but not with
# exact_count
numbers = set()
# See if the name is a printf like string, if not append
# %d to the end
try:
name % 0
except TypeError as e:
if e.message.startswith('not all'):
name = '%s%%d' % name
else:
module.fail_json(msg=e.message)
# regex pattern to match printf formatting
pattern = re.sub(r'%\d*[sd]', r'(\d+)', name)
for server in cs.servers.list():
# Ignore DELETED servers
if server.status == 'DELETED':
continue
if server.metadata.get('group') == group:
servers.append(server)
match = re.search(pattern, server.name)
if match:
number = int(match.group(1))
numbers.add(number)
number_range = xrange(count_offset,
count_offset + count + len(numbers))
available_numbers = list(
set(number_range).difference(numbers))
names = []
numbers_to_use = available_numbers[:count]
for number in numbers_to_use:
names.append(name % number)
else:
# Not auto incrementing
names = [name] * count
else:
# No group was specified, and not using exact_count
# Perform more simplistic matching
search_opts = {'name': '^%s$' % name, 'flavor': flavor}
servers = []
for server in cs.servers.list(search_opts=search_opts):
# Ignore DELETED servers
if server.status == 'DELETED':
continue
if not rax_find_server_image(module, server, image,
boot_volume):
continue
# Ignore servers with non matching metadata
if server.metadata != meta:
continue
servers.append(server)
if len(servers) >= count:
# We have more servers than were requested, don't do
# anything. Not running with exact_count=True, so we assume
# more is OK
instances = []
for server in servers:
instances.append(rax_to_dict(server, 'server'))
instance_ids = [i['id'] for i in instances]
module.exit_json(changed=False,
action=None,
instances=instances,
success=[],
error=[],
timeout=[],
instance_ids={
'instances': instance_ids,
'success': [],
'error': [],
'timeout': []
})
# We need more servers to reach out target, create names for
# them, we aren't performing auto_increment here
names = [name] * (count - len(servers))
block_device_mapping_v2 = []
if boot_from_volume:
mapping = {
'boot_index': '0',
'delete_on_termination': boot_volume_terminate,
'destination_type': 'volume',
}
if image:
mapping.update({
'uuid': image,
'source_type': 'image',
'volume_size': boot_volume_size,
})
image = None
elif boot_volume:
volume = rax_find_volume(module, pyrax, boot_volume)
mapping.update({
'uuid': pyrax.utils.get_id(volume),
'source_type': 'volume',
})
block_device_mapping_v2.append(mapping)
create(module,
names=names,
flavor=flavor,
image=image,
meta=meta,
key_name=key_name,
files=files,
wait=wait,
wait_timeout=wait_timeout,
disk_config=disk_config,
group=group,
nics=nics,
extra_create_args=extra_create_args,
user_data=user_data,
config_drive=config_drive,
existing=servers,
block_device_mapping_v2=block_device_mapping_v2)
elif state == 'absent':
if instance_ids is None:
# We weren't given an explicit list of server IDs to delete
# Let's match instead
search_opts = {'name': '^%s$' % name, 'flavor': flavor}
for server in cs.servers.list(search_opts=search_opts):
# Ignore DELETED servers
if server.status == 'DELETED':
continue
if not rax_find_server_image(module, server, image,
boot_volume):
continue
# Ignore servers with non matching metadata
if meta != server.metadata:
continue
servers.append(server)
# Build a list of server IDs to delete
instance_ids = []
for server in servers:
if len(instance_ids) < count:
instance_ids.append(server.id)
else:
break
if not instance_ids:
# No server IDs were matched for deletion, or no IDs were
# explicitly provided, just exit and don't do anything
module.exit_json(changed=False,
action=None,
instances=[],
success=[],
error=[],
timeout=[],
instance_ids={
'instances': [],
'success': [],
'error': [],
'timeout': []
})
delete(module,
instance_ids=instance_ids,
wait=wait,
wait_timeout=wait_timeout)
def cloud_block_storage_attachments(module, state, volume, server, device,
wait, wait_timeout):
cbs = pyrax.cloud_blockstorage
cs = pyrax.cloudservers
if cbs is None or cs is None:
module.fail_json(msg='Failed to instantiate client. This '
'typically indicates an invalid region or an '
'incorrectly capitalized region name.')
changed = False
instance = {}
volume = rax_find_volume(module, pyrax, volume)
if not volume:
module.fail_json(msg='No matching storage volumes were found')
if state == 'present':
server = rax_find_server(module, pyrax, server)
if (volume.attachments and
volume.attachments[0]['server_id'] == server.id):
changed = False
elif volume.attachments:
module.fail_json(msg='Volume is attached to another server')
else:
try:
volume.attach_to_instance(server, mountpoint=device)
changed = True
except Exception as e:
module.fail_json(msg='%s' % e.message)
volume.get()
for key, value in vars(volume).items():
if (isinstance(value, NON_CALLABLES) and
not key.startswith('_')):
instance[key] = value
result = dict(changed=changed)
if volume.status == 'error':
result['msg'] = '%s failed to build' % volume.id
elif wait:
attempts = wait_timeout // 5
pyrax.utils.wait_until(volume, 'status', 'in-use',
interval=5, attempts=attempts)
volume.get()
result['volume'] = rax_to_dict(volume)
if 'msg' in result:
module.fail_json(**result)
else:
module.exit_json(**result)
elif state == 'absent':
server = rax_find_server(module, pyrax, server)
if (volume.attachments and
volume.attachments[0]['server_id'] == server.id):
try:
volume.detach()
if wait:
pyrax.utils.wait_until(volume, 'status', 'available',
interval=3, attempts=0,
verbose=False)
changed = True
except Exception as e:
module.fail_json(msg='%s' % e.message)
volume.get()
changed = True
elif volume.attachments:
module.fail_json(msg='Volume is attached to another server')
result = dict(changed=changed, volume=rax_to_dict(volume))
if volume.status == 'error':
result['msg'] = '%s failed to build' % volume.id
if 'msg' in result:
module.fail_json(**result)
else:
module.exit_json(**result)
module.exit_json(changed=changed, volume=instance)
def cloud_block_storage_attachments(module, state, volume, server, device,
wait, wait_timeout):
cbs = pyrax.cloud_blockstorage
cs = pyrax.cloudservers
if cbs is None or cs is None:
module.fail_json(msg='Failed to instantiate client. This '
'typically indicates an invalid region or an '
'incorrectly capitalized region name.')
changed = False
instance = {}
volume = rax_find_volume(module, pyrax, volume)
if not volume:
module.fail_json(msg='No matching storage volumes were found')
if state == 'present':
server = rax_find_server(module, pyrax, server)
if (volume.attachments and
volume.attachments[0]['server_id'] == server.id):
changed = False
elif volume.attachments:
module.fail_json(msg='Volume is attached to another server')
else:
try:
volume.attach_to_instance(server, mountpoint=device)
changed = True
except Exception as e:
module.fail_json(msg='%s' % e.message)
volume.get()
for key, value in vars(volume).items():
if (isinstance(value, NON_CALLABLES) and
not key.startswith('_')):
instance[key] = value
result = dict(changed=changed)
if volume.status == 'error':
result['msg'] = '%s failed to build' % volume.id
elif wait:
attempts = wait_timeout // 5
pyrax.utils.wait_until(volume, 'status', 'in-use',
interval=5, attempts=attempts)
volume.get()
result['volume'] = rax_to_dict(volume)
if 'msg' in result:
module.fail_json(**result)
else:
module.exit_json(**result)
elif state == 'absent':
server = rax_find_server(module, pyrax, server)
if (volume.attachments and
volume.attachments[0]['server_id'] == server.id):
try:
volume.detach()
if wait:
pyrax.utils.wait_until(volume, 'status', 'available',
interval=3, attempts=0,
verbose=False)
changed = True
except Exception as e:
module.fail_json(msg='%s' % e.message)
volume.get()
changed = True
elif volume.attachments:
module.fail_json(msg='Volume is attached to another server')
result = dict(changed=changed, volume=rax_to_dict(volume))
if volume.status == 'error':
result['msg'] = '%s failed to build' % volume.id
if 'msg' in result:
module.fail_json(**result)
else:
module.exit_json(**result)
module.exit_json(changed=changed, volume=instance)
def cloud_block_storage(module, state, name, description, meta, size,
snapshot_id, volume_type, wait, wait_timeout,
image):
changed = False
volume = None
instance = {}
cbs = pyrax.cloud_blockstorage
if cbs is None:
module.fail_json(msg='Failed to instantiate client. This '
'typically indicates an invalid region or an '
'incorrectly capitalized region name.')
if image:
# pyrax<1.9.3 did not have support for specifying an image when
# creating a volume which is required for bootable volumes
if LooseVersion(pyrax.version.version) < LooseVersion('1.9.3'):
module.fail_json(msg='Creating a bootable volume requires '
'pyrax>=1.9.3')
image = rax_find_image(module, pyrax, image)
volume = rax_find_volume(module, pyrax, name)
if state == 'present':
if not volume:
kwargs = dict()
if image:
kwargs['image'] = image
try:
volume = cbs.create(name, size=size, volume_type=volume_type,
description=description,
metadata=meta,
snapshot_id=snapshot_id, **kwargs)
changed = True
except Exception as e:
module.fail_json(msg='%s' % e.message)
else:
if wait:
attempts = wait_timeout // 5
pyrax.utils.wait_for_build(volume, interval=5,
attempts=attempts)
volume.get()
instance = rax_to_dict(volume)
result = dict(changed=changed, volume=instance)
if volume.status == 'error':
result['msg'] = '%s failed to build' % volume.id
elif wait and volume.status not in VOLUME_STATUS:
result['msg'] = 'Timeout waiting on %s' % volume.id
if 'msg' in result:
module.fail_json(**result)
else:
module.exit_json(**result)
elif state == 'absent':
if volume:
instance = rax_to_dict(volume)
try:
volume.delete()
changed = True
except Exception as e:
module.fail_json(msg='%s' % e.message)
module.exit_json(changed=changed, volume=instance)
def cloudservers(module, state=None, name=None, flavor=None, image=None,
meta=None, key_name=None, files=None, wait=True, wait_timeout=300,
disk_config=None, count=1, group=None, instance_ids=None,
exact_count=False, networks=None, count_offset=0,
auto_increment=False, extra_create_args=None, user_data=None,
config_drive=False, boot_from_volume=False,
boot_volume=None, boot_volume_size=None,
boot_volume_terminate=False):
meta = {} if meta is None else meta
files = {} if files is None else files
instance_ids = [] if instance_ids is None else instance_ids
networks = [] if networks is None else networks
extra_create_args = {} if extra_create_args is None else extra_create_args
cs = pyrax.cloudservers
cnw = pyrax.cloud_networks
if not cnw:
module.fail_json(msg='Failed to instantiate client. This '
'typically indicates an invalid region or an '
'incorrectly capitalized region name.')
if state == 'present' or (state == 'absent' and instance_ids is None):
if not boot_from_volume and not boot_volume and not image:
module.fail_json(msg='image is required for the "rax" module')
for arg, value in dict(name=name, flavor=flavor).items():
if not value:
module.fail_json(msg='%s is required for the "rax" module' %
arg)
if boot_from_volume and not image and not boot_volume:
module.fail_json(msg='image or boot_volume are required for the '
'"rax" with boot_from_volume')
if boot_from_volume and image and not boot_volume_size:
module.fail_json(msg='boot_volume_size is required for the "rax" '
'module with boot_from_volume and image')
if boot_from_volume and image and boot_volume:
image = None
servers = []
# Add the group meta key
if group and 'group' not in meta:
meta['group'] = group
elif 'group' in meta and group is None:
group = meta['group']
# Normalize and ensure all metadata values are strings
for k, v in meta.items():
if isinstance(v, list):
meta[k] = ','.join(['%s' % i for i in v])
elif isinstance(v, dict):
meta[k] = json.dumps(v)
elif not isinstance(v, string_types):
meta[k] = '%s' % v
# When using state=absent with group, the absent block won't match the
# names properly. Use the exact_count functionality to decrease the count
# to the desired level
was_absent = False
if group is not None and state == 'absent':
exact_count = True
state = 'present'
was_absent = True
if image:
image = rax_find_image(module, pyrax, image)
nics = []
if networks:
for network in networks:
nics.extend(rax_find_network(module, pyrax, network))
# act on the state
if state == 'present':
# Idempotent ensurance of a specific count of servers
if exact_count is not False:
# See if we can find servers that match our options
if group is None:
module.fail_json(msg='"group" must be provided when using '
'"exact_count"')
if auto_increment:
numbers = set()
# See if the name is a printf like string, if not append
# %d to the end
try:
name % 0
except TypeError as e:
if e.message.startswith('not all'):
name = '%s%%d' % name
else:
module.fail_json(msg=e.message)
# regex pattern to match printf formatting
pattern = re.sub(r'%\d*[sd]', r'(\d+)', name)
for server in cs.servers.list():
# Ignore DELETED servers
if server.status == 'DELETED':
continue
if server.metadata.get('group') == group:
servers.append(server)
match = re.search(pattern, server.name)
if match:
number = int(match.group(1))
numbers.add(number)
number_range = xrange(count_offset, count_offset + count)
available_numbers = list(set(number_range)
.difference(numbers))
else: # Not auto incrementing
for server in cs.servers.list():
# Ignore DELETED servers
if server.status == 'DELETED':
continue
if server.metadata.get('group') == group:
servers.append(server)
# available_numbers not needed here, we inspect auto_increment
# again later
# If state was absent but the count was changed,
# assume we only wanted to remove that number of instances
if was_absent:
diff = len(servers) - count
if diff < 0:
count = 0
else:
count = diff
if len(servers) > count:
# We have more servers than we need, set state='absent'
# and delete the extras, this should delete the oldest
state = 'absent'
kept = servers[:count]
del servers[:count]
instance_ids = []
for server in servers:
instance_ids.append(server.id)
delete(module, instance_ids=instance_ids, wait=wait,
wait_timeout=wait_timeout, kept=kept)
elif len(servers) < count:
# we have fewer servers than we need
if auto_increment:
# auto incrementing server numbers
names = []
name_slice = count - len(servers)
numbers_to_use = available_numbers[:name_slice]
for number in numbers_to_use:
names.append(name % number)
else:
# We are not auto incrementing server numbers,
# create a list of 'name' that matches how many we need
names = [name] * (count - len(servers))
else:
# we have the right number of servers, just return info
# about all of the matched servers
instances = []
instance_ids = []
for server in servers:
instances.append(rax_to_dict(server, 'server'))
instance_ids.append(server.id)
module.exit_json(changed=False, action=None,
instances=instances,
success=[], error=[], timeout=[],
instance_ids={'instances': instance_ids,
'success': [], 'error': [],
'timeout': []})
else: # not called with exact_count=True
if group is not None:
if auto_increment:
# we are auto incrementing server numbers, but not with
# exact_count
numbers = set()
# See if the name is a printf like string, if not append
# %d to the end
try:
name % 0
except TypeError as e:
if e.message.startswith('not all'):
name = '%s%%d' % name
else:
module.fail_json(msg=e.message)
# regex pattern to match printf formatting
pattern = re.sub(r'%\d*[sd]', r'(\d+)', name)
for server in cs.servers.list():
# Ignore DELETED servers
if server.status == 'DELETED':
continue
if server.metadata.get('group') == group:
servers.append(server)
match = re.search(pattern, server.name)
if match:
number = int(match.group(1))
numbers.add(number)
number_range = xrange(count_offset,
count_offset + count + len(numbers))
available_numbers = list(set(number_range)
.difference(numbers))
names = []
numbers_to_use = available_numbers[:count]
for number in numbers_to_use:
names.append(name % number)
else:
# Not auto incrementing
names = [name] * count
else:
# No group was specified, and not using exact_count
# Perform more simplistic matching
search_opts = {
'name': '^%s$' % name,
'flavor': flavor
}
servers = []
for server in cs.servers.list(search_opts=search_opts):
# Ignore DELETED servers
if server.status == 'DELETED':
continue
if not rax_find_server_image(module, server, image,
boot_volume):
continue
# Ignore servers with non matching metadata
if server.metadata != meta:
continue
servers.append(server)
if len(servers) >= count:
# We have more servers than were requested, don't do
# anything. Not running with exact_count=True, so we assume
# more is OK
instances = []
for server in servers:
instances.append(rax_to_dict(server, 'server'))
instance_ids = [i['id'] for i in instances]
module.exit_json(changed=False, action=None,
instances=instances, success=[], error=[],
timeout=[],
instance_ids={'instances': instance_ids,
'success': [], 'error': [],
'timeout': []})
# We need more servers to reach out target, create names for
# them, we aren't performing auto_increment here
names = [name] * (count - len(servers))
block_device_mapping_v2 = []
if boot_from_volume:
mapping = {
'boot_index': '0',
'delete_on_termination': boot_volume_terminate,
'destination_type': 'volume',
}
if image:
mapping.update({
'uuid': image,
'source_type': 'image',
'volume_size': boot_volume_size,
})
image = None
elif boot_volume:
volume = rax_find_volume(module, pyrax, boot_volume)
mapping.update({
'uuid': pyrax.utils.get_id(volume),
'source_type': 'volume',
})
block_device_mapping_v2.append(mapping)
create(module, names=names, flavor=flavor, image=image,
meta=meta, key_name=key_name, files=files, wait=wait,
wait_timeout=wait_timeout, disk_config=disk_config, group=group,
nics=nics, extra_create_args=extra_create_args,
user_data=user_data, config_drive=config_drive,
existing=servers,
block_device_mapping_v2=block_device_mapping_v2)
elif state == 'absent':
if instance_ids is None:
# We weren't given an explicit list of server IDs to delete
# Let's match instead
search_opts = {
'name': '^%s$' % name,
'flavor': flavor
}
for server in cs.servers.list(search_opts=search_opts):
# Ignore DELETED servers
if server.status == 'DELETED':
continue
if not rax_find_server_image(module, server, image,
boot_volume):
continue
# Ignore servers with non matching metadata
if meta != server.metadata:
continue
servers.append(server)
# Build a list of server IDs to delete
instance_ids = []
for server in servers:
if len(instance_ids) < count:
instance_ids.append(server.id)
else:
break
if not instance_ids:
# No server IDs were matched for deletion, or no IDs were
# explicitly provided, just exit and don't do anything
module.exit_json(changed=False, action=None, instances=[],
success=[], error=[], timeout=[],
instance_ids={'instances': [],
'success': [], 'error': [],
'timeout': []})
delete(module, instance_ids=instance_ids, wait=wait,
wait_timeout=wait_timeout)