Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

[Services] Restart NAT service upon unexpected critical process exit. #4208

Merged
merged 3 commits into from
Mar 5, 2020
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions dockers/docker-nat/Dockerfile.j2
Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,8 @@ RUN apt-get update \
COPY ["start.sh", "/usr/bin/"]
COPY ["supervisord.conf", "/etc/supervisor/conf.d/"]
COPY ["restore_nat_entries.py", "/usr/bin/"]
COPY ["files/supervisor-proc-exit-listener", "/usr/bin"]
COPY ["critical_processes", "/etc/supervisor"]

RUN apt-get clean -y; apt-get autoclean -y; apt-get autoremove -y
RUN rm -rf /debs
Expand Down
2 changes: 2 additions & 0 deletions dockers/docker-nat/critical_processes
Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
natmgrd
natsyncd
8 changes: 7 additions & 1 deletion dockers/docker-nat/supervisord.conf
Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,12 @@ logfile_maxbytes=1MB
logfile_backups=2
nodaemon=true

[eventlistener:supervisor-proc-exit-listener]
command=/usr/bin/supervisor-proc-exit-listener --container-name nat
events=PROCESS_STATE_EXITED
autostart=true
autorestart=unexpected

[program:start.sh]
command=/usr/bin/start.sh
priority=1
Expand All @@ -15,7 +21,7 @@ stderr_logfile=syslog
command=/usr/sbin/rsyslogd -n
priority=2
autostart=false
autorestart=false
autorestart=unexpected
stdout_logfile=syslog
stderr_logfile=syslog

Expand Down
4 changes: 4 additions & 0 deletions files/build_templates/nat.service.j2
Original file line number Diff line number Diff line change
Expand Up @@ -3,12 +3,16 @@ Description=NAT container
Requires=updategraph.service swss.service
After=updategraph.service swss.service syncd.service
Before=ntp-config.service
StartLimitIntervalSec=1200
StartLimitBurst=3

[Service]
User={{ sonicadmin_user }}
ExecStartPre=/usr/bin/{{docker_container_name}}.sh start
ExecStart=/usr/bin/{{docker_container_name}}.sh wait
ExecStop=/usr/bin/{{docker_container_name}}.sh stop
Restart=always
RestartSec=30

[Install]
WantedBy=multi-user.target swss.service
Expand Down
3 changes: 2 additions & 1 deletion rules/docker-nat.mk
Original file line number Diff line number Diff line change
Expand Up @@ -30,5 +30,6 @@ $(DOCKER_NAT)_RUN_OPT += --privileged -t
$(DOCKER_NAT)_RUN_OPT += -v /etc/sonic:/etc/sonic:ro
$(DOCKER_NAT)_RUN_OPT += -v /host/warmboot:/var/warmboot

$(DOCKER_NAT)_BASE_IMAGE_FILES += natctl:/usr/bin/natctl
$(DOCKER_NAT)_FILES += $(SUPERVISOR_PROC_EXIT_LISTENER_SCRIPT)

$(DOCKER_NAT)_BASE_IMAGE_FILES += natctl:/usr/bin/natctl