BryanDavis has uploaded a new change for review.
https://gerrit.wikimedia.org/r/220941
Change subject: Add an hhvm-graceful-all command
......................................................................
Add an hhvm-graceful-all command
Add a new command that can be used to perform a rolling restart of HHVM
across the cluster.
Bug: T103886
Change-Id: Ic937aea94c5c5eea1a24df1d253f6e448cd99c65
---
A bin/hhvm-graceful-all
M scap/__init__.py
M scap/main.py
3 files changed, 50 insertions(+), 1 deletion(-)
git pull ssh://gerrit.wikimedia.org:29418/mediawiki/tools/scap
refs/changes/41/220941/1
diff --git a/bin/hhvm-graceful-all b/bin/hhvm-graceful-all
new file mode 100755
index 0000000..8cafdb9
--- /dev/null
+++ b/bin/hhvm-graceful-all
@@ -0,0 +1,17 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# Restart HHVM across the entire cluster
+#
+# Copyright © 2015 Wikimedia Foundation and contributors
+
+import os
+import sys
+
+# Add scap package to search path
+script = os.path.realpath(sys.argv[0])
+scap_src = os.path.dirname(os.path.dirname(script))
+sys.path.append(scap_src)
+
+import scap
+scap.HHVMGracefulAll.run()
diff --git a/scap/__init__.py b/scap/__init__.py
index d628c73..84af164 100644
--- a/scap/__init__.py
+++ b/scap/__init__.py
@@ -8,6 +8,7 @@
"""
from .main import (
CompileWikiversions,
+ HHVMGracefulAll,
MWVersionsInUse,
PurgeL10nCache,
RebuildCdbs,
@@ -24,6 +25,7 @@
__all__ = (
'CompileWikiversions',
+ 'HHVMGracefulAll',
'MWVersionsInUse',
'PurgeL10nCache',
'RebuildCdbs',
@@ -40,6 +42,7 @@
any((
CompileWikiversions,
+ HHVMGracefulAll,
MWVersionsInUse,
PurgeL10nCache,
RebuildCdbs,
diff --git a/scap/main.py b/scap/main.py
index f36c4bf..c2c9a6b 100644
--- a/scap/main.py
+++ b/scap/main.py
@@ -263,6 +263,7 @@
self.get_logger().warning(
'%d hosts failed to restart HHVM', failed)
self.soft_errors = True
+ self.get_stats().increment('deploy.restart')
def _after_lock_release(self):
self.announce('Finished scap: %s (duration: %s)',
@@ -473,7 +474,7 @@
class RestartHHVM(cli.Application):
- """Restart the HHVM fcgi process
+ """Restart the HHVM fcgi process on the local server
#. Depool the server if registered with pybal
#. Wait for pending requests to complete
@@ -524,3 +525,31 @@
'/usr/sbin/service apache2 start', self.get_logger())
return 0
+
+
+class HHVMGracefulAll(cli.Application):
+ """Perform a rolling restart of HHVM across the cluster."""
+
+ def _process_arguments(self, args, extra_args):
+ if hasattr(args, 'message'):
+ args.message = ' '.join(args.message) or '(no message)'
+ return args, extra_args
+
+ @cli.argument('message', nargs='*', help='Log message for SAL')
+ def main(self, *extra_args):
+ exit_code = 0
+ self.announce('Restarting HHVM: %s', self.arguments.message)
+
+ target_hosts = utils.read_dsh_hosts_file(self.config['dsh_targets'])
+ succeeded, failed = tasks.restart_hhvm(
+ target_hosts, self.config,
+ # Use a batch size of 5% of the total target list
+ len(target_hosts) // 20)
+ if failed:
+ self.get_logger().warning(
+ '%d hosts failed to restart HHVM', failed)
+ exit_code = 1
+
+ self.announce('Finished HHVM restart: %s (duration: %s)',
+ self.arguments.message, utils.human_duration(self.get_duration()))
+ self.get_stats().increment('deploy.restart')
--
To view, visit https://gerrit.wikimedia.org/r/220941
To unsubscribe, visit https://gerrit.wikimedia.org/r/settings
Gerrit-MessageType: newchange
Gerrit-Change-Id: Ic937aea94c5c5eea1a24df1d253f6e448cd99c65
Gerrit-PatchSet: 1
Gerrit-Project: mediawiki/tools/scap
Gerrit-Branch: master
Gerrit-Owner: BryanDavis <bda...@wikimedia.org>
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