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#
# Copyright (c) 2017 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 os
import tempfile
from aria.orchestrator.context import operation
DEPLOYMENT = 'deployment'
NODE_INSTANCE = 'node-instance'
RELATIONSHIP_INSTANCE = 'relationship-instance'
class CloudifyContextAdapter(object):
def __init__(self, ctx):
self._ctx = ctx
self._blueprint = BlueprintAdapter(ctx)
self._deployment = DeploymentAdapter(ctx)
self._operation = OperationAdapter(ctx)
self._bootstrap_context = BootstrapAdapter(ctx)
self._plugin = PluginAdapter(ctx)
self._agent = CloudifyAgentAdapter()
self._node = None
self._node_instance = None
self._source = None
self._target = None
if isinstance(ctx, operation.NodeOperationContext):
self._node = NodeAdapter(ctx, ctx.node_template, ctx.node)
self._instance = NodeInstanceAdapter(ctx, ctx.node, True)
elif isinstance(ctx, operation.RelationshipOperationContext):
self._source = RelationshipTargetAdapter(
ctx,
ctx.source_node_template,
ctx.source_node,
True
)
self._target = RelationshipTargetAdapter(
ctx,
ctx.target_node_template,
ctx.target_node,
True
)
def __getattr__(self, item):
try:
return getattr(self._ctx, item)
except AttributeError:
return super(CloudifyContextAdapter, self).__getattribute__(item)
@property
def blueprint(self):
return self._blueprint
@property
def deployment(self):
return self._deployment
@property
def operation(self):
return self._operation
@property
def bootstrap_context(self):
return self._bootstrap_context
@property
def plugin(self):
return self._plugin
@property
def agent(self):
return self._agent
@property
def type(self):
if self._source:
return RELATIONSHIP_INSTANCE
elif self._instance:
return NODE_INSTANCE
else:
return DEPLOYMENT
@property
def instance(self):
self._verify_in_node_operation()
return self._instance
@property
def node(self):
self._verify_in_node_operation()
return self._node
@property
def source(self):
self._verify_in_relationship_operation()
return self._source
@property
def target(self):
self._verify_in_relationship_operation()
return self._target
@property
def execution_id(self):
return self._ctx.task.execution.id
@property
def workflow_id(self):
return self._ctx.task.execution.workflow_name
@property
def rest_token(self):
return None
@property
def task_id(self):
return self._ctx.task.id
@property
def task_name(self):
return self._ctx.task.function
@property
def task_target(self):
return None
@property
def task_queue(self):
return None
@property
def logger(self):
def getChild( self, name ):
loggertype = type(self)
childlogger = self._logger.getChild(name)
finallogger = loggertype(childlogger, self._task_id)
return finallogger
loggertype = type(self._ctx.logger)
childloggertype = type(self._ctx.logger.getChild("test"))
if loggertype != childloggertype:
loggertype.getChild = getChild
return self._ctx.logger
def send_event(self, event):
self.logger.info(event)
@property
def provider_context(self):
return {}
def get_resource(self, resource_path):
return self._ctx.get_resource(resource_path)
def get_resource_and_render(self, resource_path, template_variables=None):
return self._ctx.get_resource_and_render(resource_path, variables=template_variables)
def download_resource(self, resource_path, target_path=None):
target_path = self._get_target_path(target_path, resource_path)
self._ctx.download_resource(
destination=target_path,
path=resource_path
)
return target_path
def download_resource_and_render(self,
resource_path,
target_path=None,
template_variables=None):
target_path = self._get_target_path(target_path, resource_path)
self._ctx.download_resource_and_render(
destination=target_path,
path=resource_path,
variables=template_variables
)
return target_path
@staticmethod
def _get_target_path(target_path, resource_path):
if target_path:
return target_path
fd, target_path = tempfile.mkstemp(suffix=os.path.basename(resource_path))
os.close(fd)
return target_path
def _verify_in_node_operation(self):
if self.type != NODE_INSTANCE:
self._ctx.task.abort(
'ctx.node/ctx.instance can only be used in a {0} context but '
'used in a {1} context.'.format(NODE_INSTANCE, self.type)
)
def _verify_in_relationship_operation(self):
if self.type != RELATIONSHIP_INSTANCE:
self._ctx.task.abort(
'ctx.source/ctx.target can only be used in a {0} context but '
'used in a {1} context.'.format(RELATIONSHIP_INSTANCE,
self.type)
)
class BlueprintAdapter(object):
def __init__(self, ctx):
self._ctx = ctx
@property
def id(self):
return self._ctx.service_template.id
class DeploymentAdapter(object):
def __init__(self, ctx):
self._ctx = ctx
@property
def id(self):
return self._ctx.service.id
class NodeAdapter(object):
def __init__(self, ctx, node_template, node):
self._ctx = ctx
self._node_template = node_template
self._node = node
@property
def id(self):
return self._node_template.id
@property
def name(self):
return self._node_template.name
@property
def properties(self):
# Cloudify Azure plugin will request the resource_config and merge it with new configurations.
# This creates an problem when the resource_config is None. Fix this by replacing an empty
# resource_config with an empth dict.
if 'resource_config' in self._node.properties and self._node.properties.get('resource_config') == None:
self._node.properties['resource_config']={}
return self._node.properties
@property
def type(self):
return self._node_template.type.name
@property
def type_hierarchy(self):
# We needed to modify the type hierarchy to be a list of strings that include the word
# 'cloudify' in each one of them instead of 'aria', since in the Cloudify AWS plugin, that
# we currently wish to support, if we want to attach an ElasticIP to a node, this node's
# type_hierarchy property must be a list of strings only, and it must contain either the
# string 'cloudify.aws.nodes.Instance', or the string 'cloudify.aws.nodes.Interface'.
# In any other case, we won't be able to attach an ElasticIP to a node using the Cloudify
# AWS plugin.
type_hierarchy_names = [type_.name for type_ in self._node_template.type.hierarchy
if type_.name is not None]
return [type_name.replace('aria', 'cloudify') for type_name in type_hierarchy_names]
class NodeInstanceAdapter(object):
def __init__(self, ctx, node, modifiable):
self._ctx = ctx
self._node = node
self._modifiable = modifiable
@property
def id(self):
return self._node.id
@property
def runtime_properties(self):
return self._node.attributes
@runtime_properties.setter
def runtime_properties(self, value):
self._node.attributes = value
def update(self, on_conflict=None):
self._ctx.model.node.update(self._node)
def refresh(self, force=False):
self._ctx.model.node.refresh(self._node)
@property
def host_ip(self):
return self._node.host_address
@property
def relationships(self):
return [RelationshipAdapter(self._ctx, relationship=relationship) for
relationship in self._node.outbound_relationships]
#def __getattr__(self, item):
# print "requsting "
# print self._node.attributes
# print dir(self._ctx)
# return getattr(self._ctx.instance, item)
class RelationshipAdapter(object):
def __init__(self, ctx, relationship):
self._ctx = ctx
self._relationship = relationship
node = relationship.target_node
node_template = node.node_template
self.target = RelationshipTargetAdapter(ctx, node_template, node, False)
@property
def type(self):
return self._relationship.type.name
#@property
#def type_hierarchy(self):
# return self._relationship.type.hierarchy
@property
def type_hierarchy(self):
# We needed to modify the type hierarchy to be a list of strings that include the word
# 'cloudify' in each one of them instead of 'aria', since in the Cloudify AWS plugin, that
# we currently wish to support, if we want to attach an ElasticIP to a node, this node's
# type_hierarchy property must be a list of strings only, and it must contain either the
# string 'cloudify.aws.nodes.Instance', or the string 'cloudify.aws.nodes.Interface'.
# In any other case, we won't be able to attach an ElasticIP to a node using the Cloudify
# AWS plugin.
type_hierarchy_names = [type_.name for type_ in self._relationship.type.hierarchy
if type_.name is not None]
return [type_name.replace('aria', 'cloudify') for type_name in type_hierarchy_names]
class RelationshipTargetAdapter(object):
def __init__(self, ctx, node_template, node, modifiable):
self._ctx = ctx
self.node = NodeAdapter(ctx, node_template=node_template, node=node)
self.instance = NodeInstanceAdapter(ctx, node=node, modifiable=modifiable)
class OperationAdapter(object):
def __init__(self, ctx):
self._ctx = ctx
@property
def name(self):
# We needed to modify the operation's 'name' property in order to support the Cloudify AWS
# plugin. It can't use ARIA's operation naming convention, as any operation we want to run
# using the Cloudify AWS plugin must have its name in the format:
# '<something>.<operation_name>'.
aria_name = self._ctx.task.name
return aria_name.split('@')[0].replace(':', '.')
@property
def retry_number(self):
return self._ctx.task.attempts_count - 1
@property
def max_retries(self):
task = self._ctx.task
if task.max_attempts == task.INFINITE_RETRIES:
return task.INFINITE_RETRIES
else:
return task.max_attempts - 1 if task.max_attempts > 0 else 0
def retry(self, message=None, retry_after=None):
self._ctx.task.retry(message, retry_after)
class BootstrapAdapter(object):
def __init__(self, ctx):
self._ctx = ctx
self.cloudify_agent = _Stub()
self.resources_prefix = ''
def broker_config(self, *args, **kwargs):
return {}
class CloudifyAgentAdapter(object):
def init_script(self, *args, **kwargs):
return None
class PluginAdapter(object):
def __init__(self, ctx):
self._ctx = ctx
self._plugin = None
@property
def name(self):
return self._ctx.task.plugin.name
@property
def package_name(self):
return self._plugin_attr('package_name')
@property
def package_version(self):
return self._plugin_attr('package_version')
@property
def prefix(self):
# TODO
return self._plugin_attr('prefix')
@property
def workdir(self):
return self._ctx.plugin_workdir
def _plugin_attr(self, attr):
if not self._plugin:
self._plugin = self._ctx.task.plugin
if not self._plugin:
return None
return getattr(self._plugin, attr, None)
class _Stub(object):
def __getattr__(self, _):
return None
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