def wrapper(cloudify_agent):
attr = AGENT_ATTRIBUTES.get(name)
if attr is None:
raise RuntimeError('{0} is not an agent attribute'
.format(name))
context_attribute = attr.get('context_attribute', name)
node_properties = ctx.node.properties['cloudify_agent']
agent_context = ctx.bootstrap_context.cloudify_agent
runtime_properties = ctx.instance.runtime_properties.get(
'cloudify_agent', {})
# if the property was given in the invocation, use it.
if name in cloudify_agent:
return
# if the property is inside a runtime property, use it.
if name in runtime_properties:
cloudify_agent[name] = runtime_properties[
name]
return
# if the property is declared on the node, use it
if name in node_properties:
cloudify_agent[name] = node_properties[name]
return
# if the property is inside the bootstrap context,
# and its value is not None, use it
if hasattr(agent_context, context_attribute):
value = getattr(agent_context, context_attribute)
if value is not None:
cloudify_agent[name] = value
return
# apply the function itself
ctx.logger.debug('Applying function:{0} on Attribute '
'<{1}>'.format(function.__name__, name))
value = function(cloudify_agent)
if value is not None:
ctx.logger.debug('{0} set by function:{1}'
.format(name, value))
cloudify_agent[name] = value
return
# set default value
default = AGENT_ATTRIBUTES[name].get('default')
if default is not None:
ctx.logger.debug('{0} set by default value'
.format(name, value))
cloudify_agent[name] = default
def wrapper(cloudify_agent, *args, **kwargs):
# collect all attributes belonging to that group
group_attributes = {}
for attr_name, attr_value in AGENT_ATTRIBUTES.iteritems():
if attr_value.get('group') == name:
group_attributes[attr_name] = attr_value
for group_attr_name in group_attributes.iterkeys():
# iterate and try to set all the attributes of the group as
# defined in the heuristics of @attribute.
@attribute(group_attr_name)
def setter(_):
pass
setter(cloudify_agent)
# when we are done, invoke the group function to
# apply group logic
group_function(cloudify_agent, *args, **kwargs)
def wrapper(cloudify_agent, *args, **kwargs):
# collect all attributes belonging to that group
group_attributes = {}
for attr_name, attr_value in AGENT_ATTRIBUTES.iteritems():
if attr_value.get('group') == name:
group_attributes[attr_name] = attr_value
for group_attr_name in group_attributes.iterkeys():
# iterate and try to set all the attributes of the group as
# defined in the heuristics of @attribute.
@attribute(group_attr_name)
def setter(_):
pass
setter(cloudify_agent)
# when we are done, invoke the group function to
# apply group logic
group_function(cloudify_agent, *args, **kwargs)
def wrapper(cloudify_agent):
# if the property was given in the invocation, use it.
# inputs are first in precedence order
if _update_agent_property(name,
props=cloudify_agent,
final_props=cloudify_agent):
return
if ctx.type == context.NODE_INSTANCE:
# if the property is inside a runtime property, use it.
# runtime properties are second in precedence order
runtime_properties = ctx.instance.runtime_properties.get(
'cloudify_agent', {})
if _update_agent_property(name,
props=runtime_properties,
final_props=cloudify_agent):
return
# if the property is declared on the node, use it
# node properties are third in precedence order
node_properties = ctx.node.properties.get(
'cloudify_agent', {})
node_properties.update(ctx.node.properties.get(
'agent_config', {}))
if _update_agent_property(name,
props=node_properties,
final_props=cloudify_agent):
return
# if the property is inside the bootstrap context,
# and its value is not None, use it
# bootstrap_context is forth in precedence order
attr = AGENT_ATTRIBUTES.get(name)
if attr is None:
raise RuntimeError('{0} is not an agent attribute'
.format(name))
agent_context = ctx.bootstrap_context.cloudify_agent.\
_cloudify_agent or {}
context_attribute = attr.get('context_attribute', name)
if _update_agent_property(context_attribute,
props=agent_context,
final_props=cloudify_agent,
final_key=name):
return
if _update_agent_property(name,
props=agent_context,
final_props=cloudify_agent):
return
# apply the function itself
ctx.logger.debug('Applying function:{0} on Attribute '
'<{1}>'.format(function.__name__, name))
value = function(cloudify_agent)
if value is not None:
ctx.logger.debug('{0} set by function:{1}'
.format(name, value))
cloudify_agent[name] = value
return
# set default value
default = attr.get('default')
if default is not None:
ctx.logger.debug('{0} set by default value'
.format(name, value))
cloudify_agent[name] = default
return
def wrapper(cloudify_agent):
# if the property was given in the invocation, use it.
# inputs are first in precedence order
if _update_agent_property(name,
props=cloudify_agent,
final_props=cloudify_agent):
return
if ctx.type == context.NODE_INSTANCE:
# if the property is inside a runtime property, use it.
# runtime properties are second in precedence order
runtime_properties = ctx.instance.runtime_properties.get(
'cloudify_agent', {})
if _update_agent_property(name,
props=runtime_properties,
final_props=cloudify_agent):
return
# if the property is declared on the node, use it
# node properties are third in precedence order
node_properties = ctx.node.properties.get('cloudify_agent', {})
node_properties.update(
ctx.node.properties.get('agent_config', {}))
if _update_agent_property(name,
props=node_properties,
final_props=cloudify_agent):
return
# if the property is inside the bootstrap context,
# and its value is not None, use it
# bootstrap_context is forth in precedence order
attr = AGENT_ATTRIBUTES.get(name)
if attr is None:
raise RuntimeError(
'{0} is not an agent attribute'.format(name))
agent_context = ctx.bootstrap_context.cloudify_agent.\
_cloudify_agent or {}
context_attribute = attr.get('context_attribute', name)
if _update_agent_property(context_attribute,
props=agent_context,
final_props=cloudify_agent,
final_key=name):
return
if _update_agent_property(name,
props=agent_context,
final_props=cloudify_agent):
return
# apply the function itself
ctx.logger.debug('Applying function:{0} on Attribute '
'<{1}>'.format(function.__name__, name))
value = function(cloudify_agent)
if value is not None:
ctx.logger.debug('{0} set by function:{1}'.format(name, value))
cloudify_agent[name] = value
return
# set default value
default = attr.get('default')
if default is not None:
ctx.logger.debug('{0} set by default value'.format(
name, value))
cloudify_agent[name] = default
return
