FLEX: Support Interactive both in gsctl and coordinator side

coordinator/gscoordinator/coordinator.py

@@ -30,6 +30,7 @@
 from graphscope.config import Config
 from graphscope.proto import coordinator_service_pb2_grpc
 
+from gscoordinator.servicer import init_interactive_service_servicer
 from gscoordinator.servicer import init_graphscope_one_service_servicer
 from gscoordinator.utils import GS_GRPC_MAX_MESSAGE_LENGTH
 
@@ -109,6 +110,7 @@ def get_servicer(config: Config):
     """Get servicer of specified solution under FLEX architecture"""
     service_initializers = {
         "GraphScope One": init_graphscope_one_service_servicer,
+        "Interactive": init_interactive_service_servicer,
     }
 
     initializer = service_initializers.get(config.solution)

coordinator/gscoordinator/scheduler.py

@@ -0,0 +1,260 @@
+#! /usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright 2023 Alibaba Group Holding Limited.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+import datetime
+import json
+import time
+from abc import ABCMeta
+from abc import abstractmethod
+
+import schedule
+from schedule import CancelJob
+
+from gscoordinator.stoppable_thread import StoppableThread
+from gscoordinator.utils import decode_datetimestr
+
+
+class Schedule(object):
+    """Schedule class that wrapper dbader schedule
+
+    Repo: https://github.com/dbader/schedule.
+    """
+
+    def __init__(self):
+        self._schedule = schedule.Scheduler()
+        self._run_pending_thread = StoppableThread(target=self.run_pending, args=())
+        self._run_pending_thread.daemon = True
+        self._run_pending_thread.start()
+
+    @property
+    def schedule(self):
+        return self._schedule
+
+    def run_pending(self):
+        """Run all jobs that are scheduled to run."""
+        while True:
+            try:
+                self._schedule.run_pending()
+                time.sleep(1)
+            except:  # noqa: E722
+                pass
+
+
+schedule = Schedule().schedule  # noqa: F811
+
+
+class Scheduler(metaclass=ABCMeta):
+    """
+    Objects instantiated by the :class:`Scheduler <Scheduler>` are
+    factories to create jobs, keep record of scheduled jobs and
+    handle their execution in the :method:`run` method.
+    """
+
+    def __init__(self, at_time, repeat):
+        # scheduler id
+        self._scheduler_id = "Job-scheduler-{0}".format(
+            datetime.datetime.now().strftime("%Y-%m-%d-%H-%M-%S")
+        )
+        # periodic job as used
+        self._job = None
+        # true will be run immediately
+        self._run_now = False
+        # time at which this job to schedule
+        self._at_time = self._decode_datetimestr(at_time)
+        # repeat every day or week, or run job once(no repeat)
+        # optional value "day", "week", "null"
+        self._repeat = repeat
+        # job running thread, note that:
+        # the last job should be end of execution at the beginning of the next job
+        self._running_thread = None
+        # tags
+        self._tags = []
+
+        # when the job actually scheduled, the following variables will be generated and overridden.
+        self._jobid = None
+        self._last_run = None
+
+    def _decode_datetimestr(self, datetime_str):
+        if datetime_str == "now":
+            self._run_now = True
+            return datetime.datetime.now()
+        return decode_datetimestr(datetime_str)
+
+    def __str__(self):
+        return "Scheduler(at_time={}, repeat={})".format(self._at_time, self._repeat)
+
+    @property
+    def monday(self):
+        return self._at_time.weekday() == 0
+
+    @property
+    def tuesday(self):
+        return self._at_time.weekday() == 1
+
+    @property
+    def wednesday(self):
+        return self._at_time.weekday() == 2
+
+    @property
+    def thursday(self):
+        return self._at_time.weekday() == 3
+
+    @property
+    def friday(self):
+        return self._at_time.weekday() == 4
+
+    @property
+    def saturday(self):
+        return self._at_time.weekday() == 5
+
+    @property
+    def sunday(self):
+        return self._at_time.weekday() == 6
+
+    @property
+    def timestr(self):
+        """return str of the time object.
+        time([hour[, minute[, second[, microsecond[, tzinfo]]]]]) --> a time object
+        """
+        return str(self._at_time.time())
+
+    @property
+    def job(self):
+        """A periodic job managed by the dbader scheduler.
+        https://github.com/dbader/schedule.
+        """
+        return self._job
+
+    @property
+    def jobid(self):
+        """id for the last scheduled job"""
+        return self._jobid
+
+    @property
+    def schedulerid(self):
+        """id for the scheduler"""
+        return self._scheduler_id
+
+    @property
+    def last_run(self):
+        """datetime of the last run"""
+        return self._last_run
+
+    @property
+    def tags(self):
+        return self._tags
+
+    @property
+    def running_thread(self):
+        return self._running_thread
+
+    def run_once(self):
+        """Run the job immediately."""
+        self.do_run()
+        return CancelJob
+
+    def waiting_until_to_run(self):
+        """Run the job once at a specific time."""
+        if datetime.datetime.now() >= self._at_time:
+            return self.run_once()
+
+    def do_run(self):
+        """Start a thread for the job."""
+        # overwrite for each scheduled job
+        self._jobid = "job-{0}".format(
+            datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+        )
+        self._last_run = datetime.datetime.now()
+        # schedule in a thread
+        self._running_thread = StoppableThread(target=self.run, args=())
+        self._running_thread.daemon = True
+        self._running_thread.start()
+
+    def submit(self):
+        if not self._run_now and self._repeat not in ["week", "day", "null", None]:
+            raise RuntimeError(
+                "Submit schedule job failed: at_time is '{0}', repeat is '{1}'".format(
+                    self._at_time, self._repeat
+                )
+            )
+
+        if self._run_now:
+            self._job = schedule.every().seconds.do(self.run_once)
+
+        if not self._run_now and self._repeat == "week":
+            if self.monday:
+                self._job = schedule.every().monday.at(self.timestr).do(self.do_run)
+            elif self.tuesday:
+                self._job = schedule.every().tuesday.at(self.timestr).do(self.do_run)
+            elif self.wednesday:
+                self._job = schedule.every().wednesday.at(self.timestr).do(self.do_run)
+            elif self.thursday:
+                self._job = schedule.every().thursday.at(self.timestr).do(self.do_run)
+            elif self.friday:
+                self._job = schedule.every().friday.at(self.timestr).do(self.do_run)
+            elif self.saturday:
+                self._job = schedule.every().saturday.at(self.timestr).do(self.do_run)
+            elif self.sunday:
+                self._job = schedule.every().sunday.at(self.timestr).do(self.do_run)
+
+        if not self._run_now and self._repeat == "day":
+            self._job = schedule.every().day.at(self.timestr).do(self.do_run)
+
+        if not self._run_now and self._repeat in ["null", None]:
+            self._job = (
+                schedule.every().day.at(self.timestr).do(self.waiting_until_to_run)
+            )
+
+        # tag
+        self._job.tag(self._scheduler_id, *self._tags)
+
+    def start(self):
+        """Submit and schedule the job."""
+        self.submit()
+
+    def cancel(self):
+        """
+        Set the running job thread stoppable and wait for the
+        thread to exit properly by using join() method.
+        """
+        if self._running_thread is not None and self._running_thread.is_alive():
+            self._running_thread.stop()
+            self._running_thread.join()
+
+    @abstractmethod
+    def run(self):
+        """
+        Methods that all subclasses need to implement, note that
+        subclass needs to handle exception by itself.
+        """
+        raise NotImplementedError
+
+
+def cancel_job(job, delete_scheduler=True):
+    """
+    Cancel the job which going to scheduled or cancel the whole scheduler.
+
+    Args:
+        job: Periodic job as used by :class:`Scheduler`.
+        delete_scheduler: True will can the whole scheduler, otherwise,
+            delay the next-run time by on period.
+    """
+    if delete_scheduler:
+        schedule.cancel_job(job)
+    else:
+        job.next_run += job.period

coordinator/gscoordinator/servicer/__init__.py

@@ -16,4 +16,5 @@
 # limitations under the License.
 #
 
+from gscoordinator.servicer.interactive.service import *
 from gscoordinator.servicer.graphscope_one.service import *

coordinator/gscoordinator/servicer/base_service.py

@@ -0,0 +1,45 @@
+#! /usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright 2023 Alibaba Group Holding Limited.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+import atexit
+import logging
+
+from graphscope.config import Config
+from graphscope.proto import coordinator_service_pb2_grpc
+from graphscope.proto import message_pb2
+
+
+class BaseServiceServicer(coordinator_service_pb2_grpc.CoordinatorServiceServicer):
+    """Base class of coordinator service"""
+
+    def __init__(self, config: Config):
+        self._config = config
+        atexit.register(self.cleanup)
+
+    def __del__(self):
+        self.cleanup()
+
+    def Connect(self, request, context):
+        return message_pb2.ConnectResponse(solution=self._config.solution)
+
+    @property
+    def launcher_type(self):
+        return self._config.launcher_type
+
+    def cleanup(self):
+        pass

coordinator/gscoordinator/servicer/interactive/__init__.py

@@ -0,0 +1,26 @@
+#! /usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright 2023 Alibaba Group Holding Limited.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+import os
+import sys
+
+try:
+    sys.path.insert(0, os.path.dirname(__file__))
+    import interactive_client
+except ImportError:
+    raise