def set_state_task_for_instance(graph, node_id, instance, state_name, step_id):
task = TaskSequenceWrapper(graph)
msg = build_wf_event(WfEvent(instance.id, "in", step_id))
task.add(instance.send_event(msg))
task.add(instance.set_state(state_name))
msg = build_wf_event(WfEvent(instance.id, "ok", step_id))
task.add(instance.send_event(msg))
return task
def set_state_task_for_instance(graph, node_id, instance, state_name, step_id):
task = TaskSequenceWrapper(graph)
msg = build_wf_event(WfEvent(instance.id, "in", step_id))
task.add(instance.send_event(msg))
task.add(instance.set_state(state_name))
msg = build_wf_event(WfEvent(instance.id, "ok", step_id))
task.add(instance.send_event(msg))
return task
def operation_task_for_instance(ctx, graph, node_id, instance, operation_fqname, step_id, custom_context):
sequence = TaskSequenceWrapper(graph)
msg = build_wf_event(WfEvent(instance.id, "in", step_id))
sequence.add(instance.send_event(msg))
relationship_count = count_relationships(instance)
if operation_fqname == 'cloudify.interfaces.lifecycle.start':
sequence.add(instance.execute_operation(operation_fqname))
if _is_host_node(instance):
sequence.add(*host_post_start(ctx, instance))
fork = ForkjoinWrapper(graph)
fork.add(instance.execute_operation('cloudify.interfaces.monitoring.start'))
if relationship_count > 0:
for relationship in instance.relationships:
fork.add(relationship.execute_source_operation('cloudify.interfaces.relationship_lifecycle.establish'))
fork.add(relationship.execute_target_operation('cloudify.interfaces.relationship_lifecycle.establish'))
sequence.add(
instance.send_event("Start monitoring on node '{0}' instance '{1}'".format(node_id, instance.id)),
forkjoin_sequence(graph, fork, instance, "establish")
)
elif operation_fqname == 'cloudify.interfaces.lifecycle.configure':
as_target_relationships = custom_context.relationship_targets.get(instance.id, set())
if relationship_count > 0 or len(as_target_relationships) > 0:
preconfigure_tasks = ForkjoinWrapper(graph)
for relationship in instance.relationships:
preconfigure_tasks.add(relationship.execute_source_operation('cloudify.interfaces.relationship_lifecycle.preconfigure'))
for relationship in as_target_relationships:
preconfigure_tasks.add(relationship.execute_target_operation('cloudify.interfaces.relationship_lifecycle.preconfigure'))
sequence.add(forkjoin_sequence(graph, preconfigure_tasks, instance, "preconf for {0}".format(instance.id)))
sequence.add(instance.execute_operation(operation_fqname))
if relationship_count > 0 or len(as_target_relationships) > 0:
postconfigure_tasks = ForkjoinWrapper(graph)
for relationship in instance.relationships:
postconfigure_tasks.add(relationship.execute_source_operation('cloudify.interfaces.relationship_lifecycle.postconfigure'))
for relationship in as_target_relationships:
task = relationship.execute_target_operation('cloudify.interfaces.relationship_lifecycle.postconfigure')
_set_send_node_event_on_error_handler(task, instance, "Error occurred while postconfiguring node as target for relationship {0} - ignoring...".format(relationship))
postconfigure_tasks.add(task)
msg = "postconf for {0}".format(instance.id)
sequence.add(forkjoin_sequence(graph, postconfigure_tasks, instance, msg))
elif operation_fqname == 'cloudify.interfaces.lifecycle.stop':
if _is_host_node(instance):
sequence.add(*host_pre_stop(instance))
task = instance.execute_operation(operation_fqname)
_set_send_node_event_on_error_handler(task, instance, "Error occurred while stopping node - ignoring...")
sequence.add(task)
# now call unlink onto relations' target
if relationship_count > 0:
fork = ForkjoinWrapper(graph)
for relationship in instance.relationships:
unlink_task_source = relationship.execute_source_operation('cloudify.interfaces.relationship_lifecycle.unlink')
_set_send_node_event_on_error_handler(unlink_task_source, instance, "Error occurred while unlinking node from target {0} - ignoring...".format(relationship.target_id))
fork.add(unlink_task_source)
unlink_task_target = relationship.execute_target_operation('cloudify.interfaces.relationship_lifecycle.unlink')
_set_send_node_event_on_error_handler(unlink_task_target, instance, "Error occurred while unlinking node from target {0} - ignoring...".format(relationship.target_id))
fork.add(unlink_task_target)
sequence.add(forkjoin_sequence(graph, fork, instance, "unlink"))
elif operation_fqname == 'cloudify.interfaces.lifecycle.delete':
task = instance.execute_operation(operation_fqname)
_set_send_node_event_on_error_handler(task, instance, "Error occurred while deleting node - ignoring...")
sequence.add(task)
else:
# the default behavior : just do the job
sequence.add(instance.execute_operation(operation_fqname))
msg = build_wf_event(WfEvent(instance.id, "ok", step_id))
sequence.add(instance.send_event(msg))
return sequence
def operation_task_for_instance(ctx, graph, node_id, instance,
operation_fqname, step_id, custom_context):
sequence = TaskSequenceWrapper(graph)
msg = build_wf_event(WfEvent(instance.id, "in", step_id))
sequence.add(instance.send_event(msg))
relationship_count = count_relationships(instance)
if operation_fqname == 'cloudify.interfaces.lifecycle.start':
sequence.add(instance.execute_operation(operation_fqname))
if _is_host_node(instance):
sequence.add(*host_post_start(ctx, instance))
fork = ForkjoinWrapper(graph)
fork.add(
instance.execute_operation('cloudify.interfaces.monitoring.start'))
if relationship_count > 0:
for relationship in instance.relationships:
fork.add(
relationship.execute_source_operation(
'cloudify.interfaces.relationship_lifecycle.establish')
)
fork.add(
relationship.execute_target_operation(
'cloudify.interfaces.relationship_lifecycle.establish')
)
sequence.add(
instance.send_event(
"Start monitoring on node '{0}' instance '{1}'".format(
node_id, instance.id)),
forkjoin_sequence(graph, fork, instance, "establish"))
elif operation_fqname == 'cloudify.interfaces.lifecycle.configure':
as_target_relationships = custom_context.relationship_targets.get(
instance.id, set())
if relationship_count > 0 or len(as_target_relationships) > 0:
preconfigure_tasks = ForkjoinWrapper(graph)
for relationship in instance.relationships:
preconfigure_tasks.add(
relationship.execute_source_operation(
'cloudify.interfaces.relationship_lifecycle.preconfigure'
))
for relationship in as_target_relationships:
preconfigure_tasks.add(
relationship.execute_target_operation(
'cloudify.interfaces.relationship_lifecycle.preconfigure'
))
sequence.add(
forkjoin_sequence(graph, preconfigure_tasks, instance,
"preconf for {0}".format(instance.id)))
sequence.add(instance.execute_operation(operation_fqname))
if relationship_count > 0 or len(as_target_relationships) > 0:
postconfigure_tasks = ForkjoinWrapper(graph)
for relationship in instance.relationships:
postconfigure_tasks.add(
relationship.execute_source_operation(
'cloudify.interfaces.relationship_lifecycle.postconfigure'
))
for relationship in as_target_relationships:
task = relationship.execute_target_operation(
'cloudify.interfaces.relationship_lifecycle.postconfigure')
_set_send_node_event_on_error_handler(
task, instance,
"Error occurred while postconfiguring node as target for relationship {0} - ignoring..."
.format(relationship))
postconfigure_tasks.add(task)
msg = "postconf for {0}".format(instance.id)
sequence.add(
forkjoin_sequence(graph, postconfigure_tasks, instance, msg))
elif operation_fqname == 'cloudify.interfaces.lifecycle.stop':
if _is_host_node(instance):
sequence.add(*host_pre_stop(instance))
task = instance.execute_operation(operation_fqname)
_set_send_node_event_on_error_handler(
task, instance, "Error occurred while stopping node - ignoring...")
sequence.add(task)
# now call unlink onto relations' target
if relationship_count > 0:
fork = ForkjoinWrapper(graph)
for relationship in instance.relationships:
unlink_task_source = relationship.execute_source_operation(
'cloudify.interfaces.relationship_lifecycle.unlink')
_set_send_node_event_on_error_handler(
unlink_task_source, instance,
"Error occurred while unlinking node from target {0} - ignoring..."
.format(relationship.target_id))
fork.add(unlink_task_source)
unlink_task_target = relationship.execute_target_operation(
'cloudify.interfaces.relationship_lifecycle.unlink')
_set_send_node_event_on_error_handler(
unlink_task_target, instance,
"Error occurred while unlinking node from target {0} - ignoring..."
.format(relationship.target_id))
fork.add(unlink_task_target)
sequence.add(forkjoin_sequence(graph, fork, instance, "unlink"))
elif operation_fqname == 'cloudify.interfaces.lifecycle.delete':
task = instance.execute_operation(operation_fqname)
_set_send_node_event_on_error_handler(
task, instance, "Error occurred while deleting node - ignoring...")
sequence.add(task)
else:
# the default behavior : just do the job
sequence.add(instance.execute_operation(operation_fqname))
msg = build_wf_event(WfEvent(instance.id, "ok", step_id))
sequence.add(instance.send_event(msg))
return sequence
def operation_task_for_instance(ctx, graph, node_id, instance, operation_fqname, step_id, custom_context):
sequence = TaskSequenceWrapper(graph)
msg = build_wf_event(WfEvent(instance.id, "in", step_id))
sequence.add(instance.send_event(msg))
relationship_count = count_relationships(instance)
if operation_fqname == 'cloudify.interfaces.lifecycle.start':
sequence.add(instance.execute_operation(operation_fqname))
if _is_host_node(instance):
sequence.add(*host_post_start(ctx, instance))
fork = ForkjoinWrapper(graph)
fork.add(instance.execute_operation('cloudify.interfaces.monitoring.start'))
if relationship_count > 0:
for relationship in instance.relationships:
fork.add(relationship.execute_source_operation('cloudify.interfaces.relationship_lifecycle.establish'))
fork.add(relationship.execute_target_operation('cloudify.interfaces.relationship_lifecycle.establish'))
sequence.add(
instance.send_event("Start monitoring on node '{0}' instance '{1}'".format(node_id, instance.id)),
forkjoin_sequence(graph, fork, instance, "establish")
)
elif operation_fqname == 'cloudify.interfaces.lifecycle.configure':
as_target_relationships = custom_context.relationship_targets.get(instance.id, set())
if relationship_count > 0 or len(as_target_relationships) > 0:
preconfigure_tasks = ForkjoinWrapper(graph)
for relationship in instance.relationships:
preconfigure_tasks.add(relationship.execute_source_operation('cloudify.interfaces.relationship_lifecycle.preconfigure'))
for relationship in as_target_relationships:
preconfigure_tasks.add(relationship.execute_target_operation('cloudify.interfaces.relationship_lifecycle.preconfigure'))
sequence.add(forkjoin_sequence(graph, preconfigure_tasks, instance, "preconf for {0}".format(instance.id)))
sequence.add(instance.execute_operation(operation_fqname))
if relationship_count > 0 or len(as_target_relationships) > 0:
postconfigure_tasks = ForkjoinWrapper(graph)
for relationship in instance.relationships:
postconfigure_tasks.add(relationship.execute_source_operation('cloudify.interfaces.relationship_lifecycle.postconfigure'))
for relationship in as_target_relationships:
task = relationship.execute_target_operation('cloudify.interfaces.relationship_lifecycle.postconfigure')
_set_send_node_event_on_error_handler(task, instance, "Error occurred while postconfiguring node as target for relationship {0} - ignoring...".format(relationship))
postconfigure_tasks.add(task)
msg = "postconf for {0}".format(instance.id)
sequence.add(forkjoin_sequence(graph, postconfigure_tasks, instance, msg))
persistent_property = instance.node.properties.get('_a4c_persistent_resource_id', None)
if persistent_property != None:
# send event to send resource id to alien
splitted_persistent_property = persistent_property.split('=')
persistent_cloudify_attribute = splitted_persistent_property[0]
persistent_alien_attribute = splitted_persistent_property[1]
persist_msg = build_pre_event(PersistentResourceEvent(persistent_cloudify_attribute, persistent_alien_attribute))
@task_config(send_task_events=False)
def send_event_task():
_send_event(instance, 'workflow_node', 'a4c_persistent_event', persist_msg, None, None, None)
sequence.add(instance.ctx.local_task(
local_task=send_event_task,
node=instance,
info=persist_msg))
elif operation_fqname == 'cloudify.interfaces.lifecycle.stop':
if _is_host_node(instance):
sequence.add(*host_pre_stop(instance))
task = instance.execute_operation(operation_fqname)
_set_send_node_event_on_error_handler(task, instance, "Error occurred while stopping node - ignoring...")
sequence.add(task)
# now call unlink onto relations' target
if relationship_count > 0:
fork = ForkjoinWrapper(graph)
for relationship in instance.relationships:
unlink_task_source = relationship.execute_source_operation('cloudify.interfaces.relationship_lifecycle.unlink')
_set_send_node_event_on_error_handler(unlink_task_source, instance, "Error occurred while unlinking node from target {0} - ignoring...".format(relationship.target_id))
fork.add(unlink_task_source)
unlink_task_target = relationship.execute_target_operation('cloudify.interfaces.relationship_lifecycle.unlink')
_set_send_node_event_on_error_handler(unlink_task_target, instance, "Error occurred while unlinking node from target {0} - ignoring...".format(relationship.target_id))
fork.add(unlink_task_target)
sequence.add(forkjoin_sequence(graph, fork, instance, "unlink"))
elif operation_fqname == 'cloudify.interfaces.lifecycle.delete':
task = instance.execute_operation(operation_fqname)
_set_send_node_event_on_error_handler(task, instance, "Error occurred while deleting node - ignoring...")
sequence.add(task)
else:
# the default behavior : just do the job
sequence.add(instance.execute_operation(operation_fqname))
msg = build_wf_event(WfEvent(instance.id, "ok", step_id))
sequence.add(instance.send_event(msg))
return sequence