def object_factory(**kwargs):
obj_type = kwargs['type']
cls = Node if obj_type in node_class else Link
obj = get_obj(cls, name=kwargs['name'])
if obj:
for property, value in kwargs.items():
if property in obj.__dict__:
setattr(obj, property, value)
elif obj_type in link_class:
if 'import' in kwargs:
source = get_obj(Node, name=kwargs.pop('source'))
destination = get_obj(Node, name=kwargs.pop('destination'))
else:
source = get_obj(Node, id=kwargs.pop('source'))
destination = get_obj(Node, id=kwargs.pop('destination'))
obj = link_class[obj_type](source_id=source.id,
destination_id=destination.id,
source=source,
destination=destination,
**kwargs)
db.session.add(obj)
else:
obj = object_class[obj_type](**kwargs)
db.session.add(obj)
db.session.commit()
return obj
def add_to_workflow(workflow_id):
print(request.form)
workflow = get_obj(Workflow, id=workflow_id)
task = get_obj(Task, id=request.form['task'])
task.workflows.append(workflow)
db.session.commit()
return jsonify(task.serialized)
def add_edge(workflow_id, type, source, dest):
source_task = get_obj(Task, id=source)
destination_task = get_obj(Task, id=dest)
workflow = get_obj(Workflow, id=workflow_id)
workflow_edge = WorkflowEdge(type, source_task, destination_task)
db.session.add(workflow_edge)
workflow.edges.append(workflow_edge)
db.session.commit()
return jsonify(workflow_edge.serialized)
def scheduler(workflow_id=None):
print(request.form)
data = request.form.to_dict()
data['job'] = get_obj(Job, id=data['job'])
data['nodes'] = [get_obj(Node, id=id) for id in request.form.getlist('nodes')]
data['pools'] = [get_obj(Pool, id=id) for id in request.form.getlist('pools')]
data['workflow'] = get_obj(Workflow, id=workflow_id)
data['user'] = current_user
task = task_factory(**data)
return jsonify(task.serialized)
def scheduler(task_type, workflow_id=None):
print(request.form)
data = request.form.to_dict()
if task_type in ('script_task', 'inner_task'):
scripts = request.form.getlist('scripts')
nodes = request.form.getlist('nodes')
data['scripts'] = [get_obj(Script, id=id) for id in scripts]
data['nodes'] = [get_obj(Node, id=id) for id in nodes]
for pool_id in request.form.getlist('pools'):
data['nodes'].extend(get_obj(Pool, id=pool_id).nodes)
if task_type in ('workflow_task', 'inner_task'):
data['workflow'] = get_obj(Workflow, id=workflow_id)
data['user'] = current_user
task = task_factory(task_type, **data)
return jsonify(task.serialized)
def get_logs(node_id):
node = get_obj(Node, id=node_id)
node_logs = [
l.content for l in Log.query.all()
if l.source == node.ip_address
]
return jsonify('\n'.join(node_logs))
def job(self, runtime):
start_task = get_obj(Task, id=self.workflow.start_task)
if not start_task:
return False, {runtime: 'No start task in the workflow.'}
layer, visited = {start_task}, set()
result, logs = True, {}
while layer:
new_layer = set()
for task in layer:
visited.add(task)
success, task_logs = task.job(str(datetime.now()))
if not success:
result = False
edge_type = 'success' if success else 'failure'
print(task)
for neighbor in task.task_neighbors(self.workflow, edge_type):
print(neighbor)
if neighbor not in visited:
new_layer.add(neighbor)
logs[task.name] = task_logs
sleep(task.waiting_time)
layer = new_layer
print(logs)
self.logs[runtime] = logs
print(self.logs)
db.session.commit()
return result, logs
def compare_logs(task_id):
task = get_obj(Task, id=task_id)
results = {
'nodes': [node.name for node in task.nodes],
'versions': list(task.logs)
}
return jsonify(results)
def create_script(script_type):
script = get_obj(Script, name=request.form['name'])
# convert ImmutableMultiDict to an actual dictionnary
form = dict(request.form)
if not script:
if script_type in ('netmiko_config', 'napalm_config'):
if form['content_type'][0] != 'simple':
file = request.files['file']
filename = secure_filename(file.filename)
if allowed_file(filename, {'yaml', 'yml'}):
parameters = yaml_load(file.read())
template = Template(form['content'][0])
form['content'] = [''.join(template.render(**parameters))]
elif script_type == 'file_transfer':
source_file_name = form['source_file'][0]
source_file_path = join(
current_app.path,
'file_transfer',
source_file_name
)
form['source_file'] = [source_file_path]
script = script_factory(script_type, **form)
db.session.add(script)
db.session.commit()
return jsonify(script.serialized)
def create_script(script_type):
script = get_obj(Script, name=request.form['name'])
if script:
script_factory(script_type, **request.form)
db.session.commit()
elif script_type in ('netmiko_config', 'napalm_config'):
# retrieve the raw script: we will use it as-is or update it
# depending on the type of script (jinja2-enabled template or not)
real_content = request.form['content']
if request.form['content_type'] != 'simple':
file = request.files['file']
filename = secure_filename(file.filename)
if allowed_file(filename, {'yaml', 'yml'}):
parameters = load(file.read())
template = Template(real_content)
real_content = template.render(**parameters)
script = {
'netmiko_config': NetmikoConfigScript,
'napalm_config': NapalmConfigScript
}[script_type](real_content, **request.form)
elif script_type == 'file_transfer':
source_file_name = request.form['source_file']
source_file_path = join(current_app.path, 'file_transfer',
source_file_name)
script = FileTransferScript(source_file_path, **request.form)
else:
script = {
'ansible_playbook': AnsibleScript,
'napalm_getters': NapalmGettersScript,
'netmiko_validation': NetmikoValidationScript
}[script_type](**request.form)
db.session.add(script)
db.session.commit()
return jsonify({})
def get_script(script_type, script_id):
script = get_obj(Script, id=script_id)
properties = type_to_properties[script_type]
script_properties = {
property: getattr(script, property)
for property in properties
}
return jsonify(script_properties)
def save_positions():
print(request.json)
for task_id, position in request.json.items():
print(position)
task = get_obj(Task, id=task_id)
task.x, task.y = position['x'], position['y']
db.session.commit()
return jsonify({})
def get_object(obj_type, obj_id):
cls = Node if obj_type == 'node' else Link
properties = node_public_properties if cls == Node else link_public_properties
obj = get_obj(cls, id=obj_id)
obj_properties = {
property: str(getattr(obj, property))
for property in properties
}
return jsonify(obj_properties)
def get_diff(task_id, v1, v2, n1, n2, s1, s2):
task = get_obj(Task, id=task_id)
first = str_dict(task.logs[v1][s1][n1]).splitlines()
second = str_dict(task.logs[v2][s2][n2]).splitlines()
opcodes = SequenceMatcher(None, first, second).get_opcodes()
return jsonify({
'first': first,
'second': second,
'opcodes': opcodes,
})
def get_object(obj_type, obj_id):
if obj_type == 'node':
cls, properties = Node, node_public_properties
else:
cls, properties = Link, link_public_properties
obj = get_obj(cls, id=obj_id)
obj_properties = {
property: str(getattr(obj, property))
for property in properties
}
return jsonify(obj_properties)
def log_rule_factory(**kwargs):
log_rule = get_obj(LogRule, name=kwargs['name'])
if log_rule:
for property, value in kwargs.items():
if property in log_rule.__dict__:
setattr(log_rule, property, value)
else:
log_rule = LogRule(**kwargs)
db.session.add(log_rule)
db.session.commit()
return log_rule
def workflow_factory(**kwargs):
workflow = get_obj(Workflow, name=kwargs['name'])
if workflow:
for property, value in kwargs.items():
if property in workflow.__dict__:
setattr(workflow, property, value)
else:
workflow = Workflow(**kwargs)
db.session.add(workflow)
db.session.commit()
return workflow
def pool_factory(**kwargs):
pool = get_obj(Pool, name=kwargs['name'])
if pool:
for property, value in kwargs.items():
if property in pool.__dict__:
setattr(pool, property, value)
else:
pool = Pool(**kwargs)
db.session.add(pool)
pool.compute_pool()
db.session.commit()
return pool
def task_factory(task_type, **kwargs):
cls = task_types[task_type]
task = get_obj(cls, name=kwargs['name'])
if task:
for property, value in kwargs.items():
if property in ('start_date', 'end_date') and value:
value = task.datetime_conversion(value)
setattr(task, property, value)
else:
task = cls(**kwargs)
db.session.add(task)
db.session.commit()
return task
def user_factory(**kwargs):
user = get_obj(User, name=kwargs['name'])
if user:
for property, value in kwargs.items():
if property in user.__dict__:
if property == 'password':
value = cisco_type7.hash(value)
setattr(user, property, value)
else:
user = User(**kwargs)
db.session.add(user)
db.session.commit()
return user
def task_factory(**kwargs):
cls = WorkflowTask if kwargs['job'].type == 'workflow' else ScriptTask
task = get_obj(cls, name=kwargs['name'])
if task:
for property, value in kwargs.items():
if property in ('start_date', 'end_date') and value:
value = task.datetime_conversion(value)
setattr(task, property, value)
else:
task = cls(**kwargs)
db.session.add(task)
db.session.commit()
return task
def putty_connection(name):
current_os, node = platform_system(), get_obj(Node, name=name)
password = cisco_type7.decode(current_user.password)
if current_os == 'Windows':
path_putty = join(current_app.path, 'applications', 'putty.exe')
ssh_connection = '{} -ssh {}@{} -pw {}'.format(path_putty,
current_user.name,
node.ip_address,
password)
Popen(ssh_connection.split())
else:
arg = "gnome-terminal -e 'bash -c \"sshpass -p {} ssh {}@{}\"'".format(
password, current_user.name, node.ip_address)
os_system(arg)
return jsonify({'success': True})
def workflow_editor(workflow_id=None):
workflow_editor_form = WorkflowEditorForm(request.form)
workflow_editor_form.workflow.choices = Workflow.choices()
workflow = get_obj(Workflow,
id=workflow_id).serialized if workflow_id else None
scheduling_form = SchedulingForm(request.form)
scheduling_form.scripts.choices = Script.choices()
scheduling_form.nodes.choices = Node.choices()
scheduling_form.pools.choices = Pool.choices()
print(workflow)
return render_template('workflow_editor.html',
workflow_editor_form=workflow_editor_form,
scheduling_form=scheduling_form,
compare_form=CompareForm(request.form),
names=pretty_names,
workflow=workflow)
def workflow_editor(workflow_id=None):
add_existing_task_form = AddExistingTaskForm(request.form)
workflow_editor_form = WorkflowEditorForm(request.form)
workflow_editor_form.workflow.choices = Workflow.choices()
workflow = get_obj(Workflow, id=workflow_id)
scheduling_form = SchedulingForm(request.form)
scheduling_form.job.choices = Job.choices()
scheduling_form.nodes.choices = Node.choices()
scheduling_form.pools.choices = Pool.choices()
add_existing_task_form.task.choices = Task.choices()
return render_template(
'workflow_editor.html',
add_existing_task_form=add_existing_task_form,
workflow_editor_form=workflow_editor_form,
scheduling_form=scheduling_form,
compare_form=CompareForm(request.form),
names=pretty_names,
workflow=workflow.serialized if workflow_id else None)
def script_job(task_name, runtime=None):
with scheduler.app.app_context():
job_time = runtime if runtime else str(datetime.now())
task = get_obj(Task, name=task_name)
logs = deepcopy(task.logs)
logs[job_time] = {}
for script in task.scripts:
results = {}
if task.nodes:
pool = ThreadPool(processes=len(task.nodes))
args = [(task, node, results) for node in task.nodes]
pool.map(script.job, args)
pool.close()
pool.join()
else:
results = script.job(task, results)
logs[job_time][script.name] = results
task.logs = logs
db.session.commit()
def script_factory(type, **kwargs):
cls = type_to_class[type]
script = get_obj(cls, name=kwargs['name'][0])
for property in type_to_properties[type]:
# type is not in kwargs, we leave it unchanged
if property not in kwargs:
continue
# unchecked tickbox do not yield any value when posting a form, and
# they yield "y" if checked
if property in boolean_properties:
value = property in kwargs
# if the property is not a list, we unpack it as it is returned
# as a singleton in the ImmutableMultiDict
elif property not in list_properties:
value, = kwargs[property]
else:
value = kwargs[property]
setattr(script, property, value)
db.session.commit()
def run(self, job_time):
layer, visited = set(), set()
start_task = get_obj(Task, id=self.start_task)
result, workflow_logs = True, {job_time: {}}
if start_task:
layer.add(start_task)
while layer:
new_layer = set()
for task in layer:
visited.add(task)
success = task.run()
if not success:
result = False
edge_type = 'success' if success else 'failure'
for neighbor in task.task_neighbors(edge_type):
if neighbor not in visited:
new_layer.add(neighbor)
workflow_logs[job_time][task.name] = task.logs
sleep(task.waiting_time)
layer = new_layer
return result, workflow_logs
def script_job(task_name):
with scheduler.app.app_context():
job_time = str(datetime.now())
task = get_obj(Task, name=task_name)
logs = deepcopy(task.logs)
logs[job_time] = {}
nodes = task.nodes if task.nodes else ['dummy']
for script in task.scripts:
results = {}
pool = ThreadPool(processes=len(nodes))
args = [(task, node, results) for node in nodes]
pool.map(script.job, args)
pool.close()
pool.join()
logs[job_time][script.name] = results
result = True
for script in task.scripts:
for node in task.nodes:
if not logs[job_time][script.name][node.name]:
result = False
task.result = result
task.logs = logs
db.session.commit()
def run(self):
layer, visited = set(), set()
start_task = get_obj(Task, id=self.start_task)
result = True
if start_task:
layer.add(start_task)
while layer:
new_layer = set()
print(layer)
for task in layer:
print(task)
visited.add(task)
success = task.run()
print(success)
if not success:
result = False
edge_type = 'success' if success else 'failure'
for neighbor in task.task_neighbors(edge_type):
print(neighbor, neighbor not in visited)
if neighbor not in visited:
new_layer.add(neighbor)
sleep(task.waiting_time)
layer = new_layer
return result
def delete_pool(pool_id):
pool = get_obj(Pool, id=pool_id)
db.session.delete(pool)
db.session.commit()
return jsonify(pool.name)
