Merge pull request #3948 from matrix-org/rav/no_symlink_synctl

Move synctl into top dir to avoid a symlink

1 files changed, 0 insertions, 284 deletions

diff --git a/synapse/app/synctl.py b/synapse/app/synctl.py
deleted file mode 100755
index d658f967ba..0000000000
--- a/synapse/app/synctl.py
+++ /dev/null
@@ -1,284 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-# Copyright 2014-2016 OpenMarket Ltd
-#
-# 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 argparse
-import collections
-import errno
-import glob
-import os
-import os.path
-import signal
-import subprocess
-import sys
-import time
-
-from six import iteritems
-
-import yaml
-
-SYNAPSE = [sys.executable, "-B", "-m", "synapse.app.homeserver"]
-
-GREEN = "\x1b[1;32m"
-YELLOW = "\x1b[1;33m"
-RED = "\x1b[1;31m"
-NORMAL = "\x1b[m"
-
-
-def pid_running(pid):
-    try:
-        os.kill(pid, 0)
-        return True
-    except OSError as err:
-        if err.errno == errno.EPERM:
-            return True
-        return False
-
-
-def write(message, colour=NORMAL, stream=sys.stdout):
-    if colour == NORMAL:
-        stream.write(message + "\n")
-    else:
-        stream.write(colour + message + NORMAL + "\n")
-
-
-def abort(message, colour=RED, stream=sys.stderr):
-    write(message, colour, stream)
-    sys.exit(1)
-
-
-def start(configfile):
-    write("Starting ...")
-    args = SYNAPSE
-    args.extend(["--daemonize", "-c", configfile])
-
-    try:
-        subprocess.check_call(args)
-        write("started synapse.app.homeserver(%r)" %
-              (configfile,), colour=GREEN)
-    except subprocess.CalledProcessError as e:
-        write(
-            "error starting (exit code: %d); see above for logs" % e.returncode,
-            colour=RED,
-        )
-
-
-def start_worker(app, configfile, worker_configfile):
-    args = [
-        "python", "-B",
-        "-m", app,
-        "-c", configfile,
-        "-c", worker_configfile
-    ]
-
-    try:
-        subprocess.check_call(args)
-        write("started %s(%r)" % (app, worker_configfile), colour=GREEN)
-    except subprocess.CalledProcessError as e:
-        write(
-            "error starting %s(%r) (exit code: %d); see above for logs" % (
-                app, worker_configfile, e.returncode,
-            ),
-            colour=RED,
-        )
-
-
-def stop(pidfile, app):
-    if os.path.exists(pidfile):
-        pid = int(open(pidfile).read())
-        try:
-            os.kill(pid, signal.SIGTERM)
-            write("stopped %s" % (app,), colour=GREEN)
-        except OSError as err:
-            if err.errno == errno.ESRCH:
-                write("%s not running" % (app,), colour=YELLOW)
-            elif err.errno == errno.EPERM:
-                abort("Cannot stop %s: Operation not permitted" % (app,))
-            else:
-                abort("Cannot stop %s: Unknown error" % (app,))
-
-
-Worker = collections.namedtuple("Worker", [
-    "app", "configfile", "pidfile", "cache_factor"
-])
-
-
-def main():
-
-    parser = argparse.ArgumentParser()
-
-    parser.add_argument(
-        "action",
-        choices=["start", "stop", "restart"],
-        help="whether to start, stop or restart the synapse",
-    )
-    parser.add_argument(
-        "configfile",
-        nargs="?",
-        default="homeserver.yaml",
-        help="the homeserver config file, defaults to homeserver.yaml",
-    )
-    parser.add_argument(
-        "-w", "--worker",
-        metavar="WORKERCONFIG",
-        help="start or stop a single worker",
-    )
-    parser.add_argument(
-        "-a", "--all-processes",
-        metavar="WORKERCONFIGDIR",
-        help="start or stop all the workers in the given directory"
-             " and the main synapse process",
-    )
-
-    options = parser.parse_args()
-
-    if options.worker and options.all_processes:
-        write(
-            'Cannot use "--worker" with "--all-processes"',
-            stream=sys.stderr
-        )
-        sys.exit(1)
-
-    configfile = options.configfile
-
-    if not os.path.exists(configfile):
-        write(
-            "No config file found\n"
-            "To generate a config file, run '%s -c %s --generate-config"
-            " --server-name=<server name>'\n" % (
-                " ".join(SYNAPSE), options.configfile
-            ),
-            stream=sys.stderr,
-        )
-        sys.exit(1)
-
-    with open(configfile) as stream:
-        config = yaml.load(stream)
-
-    pidfile = config["pid_file"]
-    cache_factor = config.get("synctl_cache_factor")
-    start_stop_synapse = True
-
-    if cache_factor:
-        os.environ["SYNAPSE_CACHE_FACTOR"] = str(cache_factor)
-
-    cache_factors = config.get("synctl_cache_factors", {})
-    for cache_name, factor in iteritems(cache_factors):
-        os.environ["SYNAPSE_CACHE_FACTOR_" + cache_name.upper()] = str(factor)
-
-    worker_configfiles = []
-    if options.worker:
-        start_stop_synapse = False
-        worker_configfile = options.worker
-        if not os.path.exists(worker_configfile):
-            write(
-                "No worker config found at %r" % (worker_configfile,),
-                stream=sys.stderr,
-            )
-            sys.exit(1)
-        worker_configfiles.append(worker_configfile)
-
-    if options.all_processes:
-        # To start the main synapse with -a you need to add a worker file
-        # with worker_app == "synapse.app.homeserver"
-        start_stop_synapse = False
-        worker_configdir = options.all_processes
-        if not os.path.isdir(worker_configdir):
-            write(
-                "No worker config directory found at %r" % (worker_configdir,),
-                stream=sys.stderr,
-            )
-            sys.exit(1)
-        worker_configfiles.extend(sorted(glob.glob(
-            os.path.join(worker_configdir, "*.yaml")
-        )))
-
-    workers = []
-    for worker_configfile in worker_configfiles:
-        with open(worker_configfile) as stream:
-            worker_config = yaml.load(stream)
-        worker_app = worker_config["worker_app"]
-        if worker_app == "synapse.app.homeserver":
-            # We need to special case all of this to pick up options that may
-            # be set in the main config file or in this worker config file.
-            worker_pidfile = (
-                worker_config.get("pid_file")
-                or pidfile
-            )
-            worker_cache_factor = worker_config.get("synctl_cache_factor") or cache_factor
-            daemonize = worker_config.get("daemonize") or config.get("daemonize")
-            assert daemonize, "Main process must have daemonize set to true"
-
-            # The master process doesn't support using worker_* config.
-            for key in worker_config:
-                if key == "worker_app":  # But we allow worker_app
-                    continue
-                assert not key.startswith("worker_"), \
-                    "Main process cannot use worker_* config"
-        else:
-            worker_pidfile = worker_config["worker_pid_file"]
-            worker_daemonize = worker_config["worker_daemonize"]
-            assert worker_daemonize, "In config %r: expected '%s' to be True" % (
-                worker_configfile, "worker_daemonize")
-            worker_cache_factor = worker_config.get("synctl_cache_factor")
-        workers.append(Worker(
-            worker_app, worker_configfile, worker_pidfile, worker_cache_factor,
-        ))
-
-    action = options.action
-
-    if action == "stop" or action == "restart":
-        for worker in workers:
-            stop(worker.pidfile, worker.app)
-
-        if start_stop_synapse:
-            stop(pidfile, "synapse.app.homeserver")
-
-    # Wait for synapse to actually shutdown before starting it again
-    if action == "restart":
-        running_pids = []
-        if start_stop_synapse and os.path.exists(pidfile):
-            running_pids.append(int(open(pidfile).read()))
-        for worker in workers:
-            if os.path.exists(worker.pidfile):
-                running_pids.append(int(open(worker.pidfile).read()))
-        if len(running_pids) > 0:
-            write("Waiting for process to exit before restarting...")
-            for running_pid in running_pids:
-                while pid_running(running_pid):
-                    time.sleep(0.2)
-            write("All processes exited; now restarting...")
-
-    if action == "start" or action == "restart":
-        if start_stop_synapse:
-            # Check if synapse is already running
-            if os.path.exists(pidfile) and pid_running(int(open(pidfile).read())):
-                abort("synapse.app.homeserver already running")
-            start(configfile)
-
-        for worker in workers:
-            if worker.cache_factor:
-                os.environ["SYNAPSE_CACHE_FACTOR"] = str(worker.cache_factor)
-
-            start_worker(worker.app, configfile, worker.configfile)
-
-            if cache_factor:
-                os.environ["SYNAPSE_CACHE_FACTOR"] = str(cache_factor)
-            else:
-                os.environ.pop("SYNAPSE_CACHE_FACTOR", None)
-
-
-if __name__ == "__main__":
-    main()