openstack/devstack
Code Issues Proposed changes

Merge "Enable graceful shutdown for services"

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Jenkins 2017-09-19 01:49:24 +00:00 committed by Gerrit Code Review
commit cd06b2ee81
3 changed files with 16 additions and 1 deletions
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4
functions-common
View File

@ -1395,6 +1395,8 @@ function write_user_unit_file {
iniset -sudo $unitfile "Unit" "Description" "Devstack $service"
iniset -sudo $unitfile "Service" "User" "$user"
iniset -sudo $unitfile "Service" "ExecStart" "$command"
iniset -sudo $unitfile "Service" "KillMode" "process"
iniset -sudo $unitfile "Service" "TimeoutStopSec" "infinity"
if [[ -n "$group" ]]; then
iniset -sudo $unitfile "Service" "Group" "$group"
fi
@ -1417,7 +1419,7 @@ function write_uwsgi_user_unit_file {
iniset -sudo $unitfile "Service" "User" "$user"
iniset -sudo $unitfile "Service" "ExecStart" "$command"
iniset -sudo $unitfile "Service" "Type" "notify"
iniset -sudo $unitfile "Service" "KillSignal" "SIGQUIT"
iniset -sudo $unitfile "Service" "KillMode" "process"
iniset -sudo $unitfile "Service" "Restart" "always"
iniset -sudo $unitfile "Service" "NotifyAccess" "all"
iniset -sudo $unitfile "Service" "RestartForceExitStatus" "100"

10
lib/apache
View File

@ -260,10 +260,15 @@ function write_uwsgi_config {
# Set die-on-term & exit-on-reload so that uwsgi shuts down
iniset "$file" uwsgi die-on-term true
iniset "$file" uwsgi exit-on-reload true
# Set worker-reload-mercy so that worker will not exit till the time
# configured after graceful shutdown
iniset "$file" uwsgi worker-reload-mercy $WORKER_TIMEOUT
iniset "$file" uwsgi enable-threads true
iniset "$file" uwsgi plugins python
# uwsgi recommends this to prevent thundering herd on accept.
iniset "$file" uwsgi thunder-lock true
# Set hook to trigger graceful shutdown on SIGTERM
iniset "$file" uwsgi hook-master-start "unix_signal:15 gracefully_kill_them_all"
# Override the default size for headers from the 4k default.
iniset "$file" uwsgi buffer-size 65535
# Make sure the client doesn't try to re-use the connection.
@ -316,6 +321,11 @@ function write_local_uwsgi_http_config {
iniset "$file" uwsgi plugins python
# uwsgi recommends this to prevent thundering herd on accept.
iniset "$file" uwsgi thunder-lock true
# Set hook to trigger graceful shutdown on SIGTERM
iniset "$file" uwsgi hook-master-start "unix_signal:15 gracefully_kill_them_all"
# Set worker-reload-mercy so that worker will not exit till the time
# configured after graceful shutdown
iniset "$file" uwsgi worker-reload-mercy $WORKER_TIMEOUT
# Override the default size for headers from the 4k default.
iniset "$file" uwsgi buffer-size 65535
# Make sure the client doesn't try to re-use the connection.

3
stackrc
View File

@ -793,6 +793,9 @@ SERVICE_TIMEOUT=${SERVICE_TIMEOUT:-60}
# Service graceful shutdown timeout
SERVICE_GRACEFUL_SHUTDOWN_TIMEOUT=${SERVICE_GRACEFUL_SHUTDOWN_TIMEOUT:-5}
# Service graceful shutdown timeout
WORKER_TIMEOUT=${WORKER_TIMEOUT:-90}
# Support alternative yum -- in future Fedora 'dnf' will become the
# only supported installer, but for now 'yum' and 'dnf' are both
# available in parallel with compatible CLIs. Allow manual switching