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#########
# Copyright (c) 2015 GigaSpaces Technologies Ltd. All rights reserved
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# * See the License for the specific language governing permissions and
# * limitations under the License.
import httplib
from urlparse import urlparse
from cloudify import ctx
from cloudify.decorators import operation
from cloudify.exceptions import NonRecoverableError
from openstack_plugin_common import (
with_glance_client,
get_resource_id,
use_external_resource,
get_openstack_ids_of_connected_nodes_by_openstack_type,
delete_resource_and_runtime_properties,
validate_resource,
COMMON_RUNTIME_PROPERTIES_KEYS,
OPENSTACK_ID_PROPERTY,
OPENSTACK_TYPE_PROPERTY,
OPENSTACK_NAME_PROPERTY)
IMAGE_OPENSTACK_TYPE = 'image'
IMAGE_STATUS_ACTIVE = 'active'
RUNTIME_PROPERTIES_KEYS = COMMON_RUNTIME_PROPERTIES_KEYS
REQUIRED_PROPERTIES = ['container_format', 'disk_format']
@operation
@with_glance_client
def create(glance_client, **kwargs):
if use_external_resource(ctx, glance_client, IMAGE_OPENSTACK_TYPE):
return
img_dict = {
'name': get_resource_id(ctx, IMAGE_OPENSTACK_TYPE)
}
_validate_image_dictionary()
img_properties = ctx.node.properties['image']
img_dict.update({key: value for key, value in img_properties.iteritems()
if key != 'data'})
img = glance_client.images.create(**img_dict)
img_path = img_properties.get('data', '')
img_url = ctx.node.properties.get('image_url')
try:
_validate_image()
if img_path:
with open(img_path, 'rb') as image_file:
glance_client.images.upload(
image_id=img.id,
image_data=image_file)
elif img_url:
img = glance_client.images.add_location(img.id, img_url, {})
except:
_remove_protected(glance_client)
glance_client.images.delete(image_id=img.id)
raise
ctx.instance.runtime_properties[OPENSTACK_ID_PROPERTY] = img.id
ctx.instance.runtime_properties[OPENSTACK_TYPE_PROPERTY] = \
IMAGE_OPENSTACK_TYPE
ctx.instance.runtime_properties[OPENSTACK_NAME_PROPERTY] = img.name
def _get_image_by_ctx(glance_client, ctx):
return glance_client.images.get(
image_id=ctx.instance.runtime_properties[OPENSTACK_ID_PROPERTY])
@operation
@with_glance_client
def start(glance_client, start_retry_interval, **kwargs):
img = _get_image_by_ctx(glance_client, ctx)
if img.status != IMAGE_STATUS_ACTIVE:
return ctx.operation.retry(
message='Waiting for image to get uploaded',
retry_after=start_retry_interval)
@operation
@with_glance_client
def delete(glance_client, **kwargs):
_remove_protected(glance_client)
delete_resource_and_runtime_properties(ctx, glance_client,
RUNTIME_PROPERTIES_KEYS)
@operation
@with_glance_client
def creation_validation(glance_client, **kwargs):
validate_resource(ctx, glance_client, IMAGE_OPENSTACK_TYPE)
_validate_image_dictionary()
_validate_image()
def _validate_image_dictionary():
img = ctx.node.properties['image']
missing = ''
try:
for prop in REQUIRED_PROPERTIES:
if prop not in img:
missing += '{0} '.format(prop)
except TypeError:
missing = ' '.join(REQUIRED_PROPERTIES)
if missing:
raise NonRecoverableError('Required properties are missing: {'
'0}. Please update your image '
'dictionary.'.format(missing))
def _validate_image():
img = ctx.node.properties['image']
img_path = img.get('data')
img_url = ctx.node.properties.get('image_url')
if not img_url and not img_path:
raise NonRecoverableError('Neither image url nor image path was '
'provided')
if img_url and img_path:
raise NonRecoverableError('Multiple image sources provided')
if img_url:
_check_url(img_url)
if img_path:
_check_path()
def _check_url(url):
p = urlparse(url)
conn = httplib.HTTPConnection(p.netloc)
conn.request('HEAD', p.path)
resp = conn.getresponse()
if resp.status >= 400:
raise NonRecoverableError('Invalid image URL')
def _check_path():
img = ctx.node.properties['image']
img_path = img.get('data')
try:
with open(img_path, 'rb'):
pass
except TypeError:
if not img.get('url'):
raise NonRecoverableError('No path or url provided')
except IOError:
raise NonRecoverableError(
'Unable to open image file with path: "{}"'.format(img_path))
def _remove_protected(glance_client):
if use_external_resource(ctx, glance_client, IMAGE_OPENSTACK_TYPE):
return
is_protected = ctx.node.properties['image'].get('protected', False)
if is_protected:
img_id = ctx.instance.runtime_properties[OPENSTACK_ID_PROPERTY]
glance_client.images.update(img_id, protected=False)
def handle_image_from_relationship(obj_dict, property_name_to_put, ctx):
images = get_openstack_ids_of_connected_nodes_by_openstack_type(
ctx, IMAGE_OPENSTACK_TYPE)
if images:
obj_dict.update({property_name_to_put: images[0]})
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