Files
awx/awx/main/scheduler/dag_workflow.py
2016-09-27 14:16:18 -04:00

73 lines
2.9 KiB
Python

# AWX
from awx.main.scheduler.dag_simple import SimpleDAG
class WorkflowDAG(SimpleDAG):
def __init__(self, workflow_job=None):
super(WorkflowDAG, self).__init__()
if workflow_job:
self._init_graph(workflow_job)
def _init_graph(self, workflow_job):
workflow_nodes = workflow_job.workflow_job_nodes.all()
for workflow_node in workflow_nodes:
self.add_node(workflow_node)
for node_type in ['success_nodes', 'failure_nodes', 'always_nodes']:
for workflow_node in workflow_nodes:
related_nodes = getattr(workflow_node, node_type).all()
for related_node in related_nodes:
self.add_edge(workflow_node, related_node, node_type)
def bfs_nodes_to_run(self):
root_nodes = self.get_root_nodes()
nodes = root_nodes
nodes_found = []
for index, n in enumerate(nodes):
obj = n['node_object']
job = obj.job
if not job:
nodes_found.append(n)
# Job is about to run or is running. Hold our horses and wait for
# the job to finish. We can't proceed down the graph path until we
# have the job result.
elif job.status not in ['failed', 'error', 'successful']:
continue
elif job.status in ['failed', 'error']:
children_failed = self.get_dependencies(obj, 'failure_nodes')
children_always = self.get_dependencies(obj, 'always_nodes')
children_all = children_failed + children_always
nodes.extend(children_all)
elif job.status in ['successful']:
children_success = self.get_dependencies(obj, 'success_nodes')
nodes.extend(children_success)
return [n['node_object'] for n in nodes_found]
def is_workflow_done(self):
root_nodes = self.get_root_nodes()
nodes = root_nodes
for index, n in enumerate(nodes):
obj = n['node_object']
job = obj.job
if not job:
return False
# Job is about to run or is running. Hold our horses and wait for
# the job to finish. We can't proceed down the graph path until we
# have the job result.
elif job.status not in ['failed', 'error', 'successful']:
return False
elif job.status in ['failed', 'error']:
children_failed = self.get_dependencies(obj, 'failure_nodes')
children_always = self.get_dependencies(obj, 'always_nodes')
children_all = children_failed + children_always
nodes.extend(children_all)
elif job.status in ['successful']:
children_success = self.get_dependencies(obj, 'success_nodes')
nodes.extend(children_success)
return True