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-rwxr-xr-xsynapse/app/homeserver.py87
-rw-r--r--synapse/util/rlimit.py37
-rw-r--r--synapse/util/versionstring.py84
3 files changed, 125 insertions, 83 deletions
diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py
index 2b4473b9ac..d2085a9405 100755
--- a/synapse/app/homeserver.py
+++ b/synapse/app/homeserver.py
@@ -20,8 +20,6 @@ import contextlib
 import logging
 import os
 import re
-import resource
-import subprocess
 import sys
 import time
 from synapse.config._base import ConfigError
@@ -66,6 +64,9 @@ from synapse.metrics.resource import MetricsResource, METRICS_PREFIX
 from synapse.replication.resource import ReplicationResource, REPLICATION_PREFIX
 from synapse.federation.transport.server import TransportLayerServer
 
+from synapse.util.rlimit import change_resource_limit
+from synapse.util.versionstring import get_version_string
+
 from synapse import events
 
 from daemonize import Daemonize
@@ -269,86 +270,6 @@ def quit_with_error(error_string):
     sys.exit(1)
 
 
-def get_version_string():
-    try:
-        null = open(os.devnull, 'w')
-        cwd = os.path.dirname(os.path.abspath(__file__))
-        try:
-            git_branch = subprocess.check_output(
-                ['git', 'rev-parse', '--abbrev-ref', 'HEAD'],
-                stderr=null,
-                cwd=cwd,
-            ).strip()
-            git_branch = "b=" + git_branch
-        except subprocess.CalledProcessError:
-            git_branch = ""
-
-        try:
-            git_tag = subprocess.check_output(
-                ['git', 'describe', '--exact-match'],
-                stderr=null,
-                cwd=cwd,
-            ).strip()
-            git_tag = "t=" + git_tag
-        except subprocess.CalledProcessError:
-            git_tag = ""
-
-        try:
-            git_commit = subprocess.check_output(
-                ['git', 'rev-parse', '--short', 'HEAD'],
-                stderr=null,
-                cwd=cwd,
-            ).strip()
-        except subprocess.CalledProcessError:
-            git_commit = ""
-
-        try:
-            dirty_string = "-this_is_a_dirty_checkout"
-            is_dirty = subprocess.check_output(
-                ['git', 'describe', '--dirty=' + dirty_string],
-                stderr=null,
-                cwd=cwd,
-            ).strip().endswith(dirty_string)
-
-            git_dirty = "dirty" if is_dirty else ""
-        except subprocess.CalledProcessError:
-            git_dirty = ""
-
-        if git_branch or git_tag or git_commit or git_dirty:
-            git_version = ",".join(
-                s for s in
-                (git_branch, git_tag, git_commit, git_dirty,)
-                if s
-            )
-
-            return (
-                "Synapse/%s (%s)" % (
-                    synapse.__version__, git_version,
-                )
-            ).encode("ascii")
-    except Exception as e:
-        logger.info("Failed to check for git repository: %s", e)
-
-    return ("Synapse/%s" % (synapse.__version__,)).encode("ascii")
-
-
-def change_resource_limit(soft_file_no):
-    try:
-        soft, hard = resource.getrlimit(resource.RLIMIT_NOFILE)
-
-        if not soft_file_no:
-            soft_file_no = hard
-
-        resource.setrlimit(resource.RLIMIT_NOFILE, (soft_file_no, hard))
-        logger.info("Set file limit to: %d", soft_file_no)
-
-        resource.setrlimit(
-            resource.RLIMIT_CORE, (resource.RLIM_INFINITY, resource.RLIM_INFINITY)
-        )
-    except (ValueError, resource.error) as e:
-        logger.warn("Failed to set file or core limit: %s", e)
-
-
 def setup(config_options):
     """
     Args:
@@ -378,7 +299,7 @@ def setup(config_options):
     # check any extra requirements we have now we have a config
     check_requirements(config)
 
-    version_string = get_version_string()
+    version_string = get_version_string("Synapse", synapse)
 
     logger.info("Server hostname: %s", config.server_name)
     logger.info("Server version: %s", version_string)
diff --git a/synapse/util/rlimit.py b/synapse/util/rlimit.py
new file mode 100644
index 0000000000..f4a9abf83f
--- /dev/null
+++ b/synapse/util/rlimit.py
@@ -0,0 +1,37 @@
+# -*- coding: utf-8 -*-
+# Copyright 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 resource
+import logging
+
+
+logger = logging.getLogger("synapse.app.homeserver")
+
+
+def change_resource_limit(soft_file_no):
+    try:
+        soft, hard = resource.getrlimit(resource.RLIMIT_NOFILE)
+
+        if not soft_file_no:
+            soft_file_no = hard
+
+        resource.setrlimit(resource.RLIMIT_NOFILE, (soft_file_no, hard))
+        logger.info("Set file limit to: %d", soft_file_no)
+
+        resource.setrlimit(
+            resource.RLIMIT_CORE, (resource.RLIM_INFINITY, resource.RLIM_INFINITY)
+        )
+    except (ValueError, resource.error) as e:
+        logger.warn("Failed to set file or core limit: %s", e)
diff --git a/synapse/util/versionstring.py b/synapse/util/versionstring.py
new file mode 100644
index 0000000000..a4f156cb3b
--- /dev/null
+++ b/synapse/util/versionstring.py
@@ -0,0 +1,84 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+# Copyright 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 subprocess
+import os
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+def get_version_string(name, module):
+    try:
+        null = open(os.devnull, 'w')
+        cwd = os.path.dirname(os.path.abspath(module.__file__))
+        try:
+            git_branch = subprocess.check_output(
+                ['git', 'rev-parse', '--abbrev-ref', 'HEAD'],
+                stderr=null,
+                cwd=cwd,
+            ).strip()
+            git_branch = "b=" + git_branch
+        except subprocess.CalledProcessError:
+            git_branch = ""
+
+        try:
+            git_tag = subprocess.check_output(
+                ['git', 'describe', '--exact-match'],
+                stderr=null,
+                cwd=cwd,
+            ).strip()
+            git_tag = "t=" + git_tag
+        except subprocess.CalledProcessError:
+            git_tag = ""
+
+        try:
+            git_commit = subprocess.check_output(
+                ['git', 'rev-parse', '--short', 'HEAD'],
+                stderr=null,
+                cwd=cwd,
+            ).strip()
+        except subprocess.CalledProcessError:
+            git_commit = ""
+
+        try:
+            dirty_string = "-this_is_a_dirty_checkout"
+            is_dirty = subprocess.check_output(
+                ['git', 'describe', '--dirty=' + dirty_string],
+                stderr=null,
+                cwd=cwd,
+            ).strip().endswith(dirty_string)
+
+            git_dirty = "dirty" if is_dirty else ""
+        except subprocess.CalledProcessError:
+            git_dirty = ""
+
+        if git_branch or git_tag or git_commit or git_dirty:
+            git_version = ",".join(
+                s for s in
+                (git_branch, git_tag, git_commit, git_dirty,)
+                if s
+            )
+
+            return (
+                "%s/%s (%s)" % (
+                    name, module.__version__, git_version,
+                )
+            ).encode("ascii")
+    except Exception as e:
+        logger.info("Failed to check for git repository: %s", e)
+
+    return ("%s/%s" % (name, module.__version__,)).encode("ascii")