sonic-buildimage/dockers/docker-router-advertiser/docker-router-advertiser.supervisord.conf.j2

[supervisord]
logfile_maxbytes=1MB
logfile_backups=2
nodaemon=true

[eventlistener:dependent-startup]
command=python -m supervisord_dependent_startup
autostart=true
autorestart=unexpected
startretries=0
exitcodes=0,3
events=PROCESS_STATE

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

[program:rsyslogd]
command=/usr/sbin/rsyslogd -n -iNONE
priority=1
autostart=false
autorestart=false
stdout_logfile=syslog
stderr_logfile=syslog
dependent_startup=true

{# Router advertiser should only run on ToR (T0) devices which have #}
{# at least one VLAN interface which has an IPv6 address asigned #}
{%- set vlan_v6 = namespace(count=0) -%}
{%- if DEVICE_METADATA.localhost.type == "ToRRouter" -%}
  {%- if VLAN_INTERFACE -%}
    {%- for (name, prefix) in VLAN_INTERFACE|pfx_filter -%}
      {# If this VLAN has an IPv6 address... #}
      {%- if prefix | ipv6 -%}
        {%- set vlan_v6.count = vlan_v6.count + 1 -%}
      {%- endif -%}
    {%- endfor -%}
  {%- endif -%}
{%- endif -%}

{%- if vlan_v6.count > 0 %}
[program:wait_for_link]
command=/usr/bin/wait_for_link.sh
priority=3
autostart=false
autorestart=false
startsecs=0
stdout_logfile=syslog
stderr_logfile=syslog
dependent_startup=true
dependent_startup_wait_for=rsyslogd:running

[program:radvd]
command=/usr/sbin/radvd -n
priority=4
autostart=false
autorestart=false
stdout_logfile=syslog
stderr_logfile=syslog
dependent_startup=true
dependent_startup_wait_for=wait_for_link:exited
{% endif -%}