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Reemplementing timeout feature for api call
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Guillaume Everarts de Velp committed Oct 16, 2020
1 parent 3a78334 commit 4d3d143
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Showing 3 changed files with 25 additions and 10 deletions.
4 changes: 4 additions & 0 deletions cpapi/api_exceptions.py
Original file line number Diff line number Diff line change
Expand Up @@ -12,3 +12,7 @@ class APIClientException(APIException):
def __init__(self, value):
APIException.__init__(self, value, None)


class TimeoutException(APIException):
def __init__(self, value):
APIException.__init__(self, value, None)
29 changes: 20 additions & 9 deletions cpapi/mgmt_api.py
Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@
import sys

# compatible import for python 2 and 3
from .api_exceptions import APIException, APIClientException
from .api_exceptions import APIException, APIClientException, TimeoutException
from .api_response import APIResponse
from cpapi.utils import get_massage_from_io_error, compatible_loads

Expand Down Expand Up @@ -248,7 +248,7 @@ def login_as_root(self, domain=None, payload=None):
except (WindowsError) as err:
raise APIClientException("Could not login as root:\n" + str(type(err)) + " - " + str(err))

def api_call(self, command, payload=None, sid=None, wait_for_task=True):
def api_call(self, command, payload=None, sid=None, wait_for_task=True, timeout=-1):
"""
performs a web-service API request to the management server
Expand All @@ -260,9 +260,12 @@ def api_call(self, command, payload=None, sid=None, wait_for_task=True):
and will not return until the task is completed.
when wait_for_task=False, it is up to the user to call the "show-task" API and check
the status of the command.
:param timeout: Optional positive timeout (in seconds) before stop waiting for the task even if not completed.
:return: APIResponse object
:side-effects: updates the class's uid and server variables
"""
timeout_start = time.time()

self.check_fingerprint()
if payload is None:
payload = {}
Expand Down Expand Up @@ -351,9 +354,9 @@ def api_call(self, command, payload=None, sid=None, wait_for_task=True):
# If we want to wait for the task to end, wait for it
if wait_for_task is True and res.success and command != "show-task":
if "task-id" in res.data:
res = self.__wait_for_task(res.data["task-id"])
res = self.__wait_for_task(res.data["task-id"], timeout=(timeout - time.time() + timeout_start))
elif "tasks" in res.data:
res = self.__wait_for_tasks(res.data["tasks"])
res = self.__wait_for_tasks(res.data["tasks"], timeout=(timeout - time.time() + timeout_start))

return res

Expand Down Expand Up @@ -478,7 +481,7 @@ def get_server_fingerprint(self):
conn.close()
return fingerprint_hash

def __wait_for_task(self, task_id):
def __wait_for_task(self, task_id, timeout=-1):
"""
When the server needs to perform an API call that may take a long time (e.g. run-script, install-policy,
publish), the server responds with a 'task-id'.
Expand All @@ -487,15 +490,22 @@ def __wait_for_task(self, task_id):
The function will return when the task (and its sub-tasks) are no longer in-progress.
:param task_id: The task identifier.
:param timeout: Optional positive timeout (in seconds) that will end the task even if not completed.
:return: APIResponse object (response of show-task command).
:raises APIException
"""
task_complete = False
task_result = None
task_start = time.time()
in_progress = "in progress"

# As long as there is a task in progress
# As long as there is a task in progress or the timeout isn't expired (and is positive)
while not task_complete:

# If timeout parameter was set and valid and timeout did expire, raise exception
if timeout >= 0 and time.time() - task_start > timeout:
raise TimeoutException("Timeout reached when waiting for task to complete")

# Check the status of the task
task_result = self.api_call("show-task", {"task-id": task_id, "details-level": "full"}, self.sid, False)

Expand Down Expand Up @@ -526,21 +536,22 @@ def __wait_for_task(self, task_id):
self.check_tasks_status(task_result)
return task_result

def __wait_for_tasks(self, task_objects):
def __wait_for_tasks(self, task_objects, timeout=-1):
"""
The version of __wait_for_task function for the collection of tasks
:param task_objects: A list of task objects
:return: APIResponse object (response of show-task command).
"""
timeout_start = time.time()

# A list of task ids to be retrieved
tasks = []
for task_obj in task_objects:
# Retrieve the taskId and wait for the task to be completed
task_id = task_obj["task-id"]
tasks.append(task_id)
self.__wait_for_task(task_id)
self.__wait_for_task(task_id, timeout=(timeout - time.time() + timeout_start))

task_result = self.api_call("show-task", {"task-id": tasks, "details-level": "full"},
self.sid, False)
Expand All @@ -557,7 +568,7 @@ def check_tasks_status(task_result):
:return:
"""
for task in task_result.data["tasks"]:
if task["status"] == "failed" or task["status"] == "partially succeeded":
if task["status"] == "failed" or task["status"] == "partially succeeded" or task["status"] == "in progress":
task_result.set_success_status(False)
break

Expand Down
2 changes: 1 addition & 1 deletion setup.py
Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@

setup(
name="cpapi",
version="1.1.1",
version="1.1.2",
author="API team",
author_email="[email protected]",
description="Check Point Management API SDK",
Expand Down

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