[docker-dhcp-relay]: use service dependency in supervisord to start services

This commit is contained in:
Guohan Lu 2020-05-16 15:27:31 +00:00 committed by lguohan
parent 448d1cdd49
commit 2e42a4ba0f
3 changed files with 52 additions and 35 deletions

View File

@ -3,27 +3,39 @@ logfile_maxbytes=1MB
logfile_backups=2 logfile_backups=2
nodaemon=true 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-listener] [eventlistener:supervisor-proc-exit-listener]
command=/usr/bin/supervisor-proc-exit-listener --container-name dhcp_relay command=/usr/bin/supervisor-proc-exit-listener --container-name dhcp_relay
events=PROCESS_STATE_EXITED events=PROCESS_STATE_EXITED
autostart=true autostart=true
autorestart=unexpected autorestart=unexpected
[program:start.sh]
command=/usr/bin/start.sh
priority=1
autostart=true
autorestart=false
stdout_logfile=syslog
stderr_logfile=syslog
[program:rsyslogd] [program:rsyslogd]
command=/usr/sbin/rsyslogd -n command=/usr/sbin/rsyslogd -n -iNONE
priority=2 priority=1
autostart=false autostart=false
autorestart=false autorestart=false
stdout_logfile=syslog stdout_logfile=syslog
stderr_logfile=syslog stderr_logfile=syslog
dependent_startup=true
[program:start]
command=/usr/bin/start.sh
priority=2
autostart=false
autorestart=false
startsecs=0
stdout_logfile=syslog
stderr_logfile=syslog
dependent_startup=true
dependent_startup_wait_for=rsyslogd:running
{# If our configuration has VLANs... #} {# If our configuration has VLANs... #}
{% if VLAN %} {% if VLAN %}
@ -81,6 +93,8 @@ autostart=false
autorestart=false autorestart=false
stdout_logfile=syslog stdout_logfile=syslog
stderr_logfile=syslog stderr_logfile=syslog
dependent_startup=true
dependent_startup_wait_for=start:exited
{% endif %} {% endif %}
{% endif %} {% endif %}
@ -128,6 +142,8 @@ autostart=false
autorestart=false autorestart=false
stdout_logfile=syslog stdout_logfile=syslog
stderr_logfile=syslog stderr_logfile=syslog
dependent_startup=true
dependent_startup_wait_for=isc-dhcp-relay-{{ vlan_name }}:running
{% endif %} {% endif %}
{% endif %} {% endif %}

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@ -1,11 +1,5 @@
#!/usr/bin/env bash #!/usr/bin/env bash
# Remove stale rsyslog PID file if it exists
rm -f /var/run/rsyslogd.pid
# Start rsyslog
supervisorctl start rsyslogd
# If our supervisor config has entries in the "isc-dhcp-relay" group... # If our supervisor config has entries in the "isc-dhcp-relay" group...
if [ $(supervisorctl status | grep -c "^isc-dhcp-relay:") -gt 0 ]; then if [ $(supervisorctl status | grep -c "^isc-dhcp-relay:") -gt 0 ]; then
# Wait for all interfaces to come up and be assigned IPv4 addresses before # Wait for all interfaces to come up and be assigned IPv4 addresses before
@ -15,13 +9,4 @@ if [ $(supervisorctl status | grep -c "^isc-dhcp-relay:") -gt 0 ]; then
# relay agent starts, it will not listen or send on that interface for the # relay agent starts, it will not listen or send on that interface for the
# lifetime of the process. # lifetime of the process.
/usr/bin/wait_for_intf.sh /usr/bin/wait_for_intf.sh
# Start all DHCP relay agent(s)
supervisorctl start isc-dhcp-relay:*
fi
# If our supervisor config has entries in the "dhcpmon" group...
if [ $(supervisorctl status | grep -c "^dhcpmon:") -gt 0 ]; then
# Start all DHCP Monitor daemon(s)
supervisorctl start dhcpmon:*
fi fi

View File

@ -3,27 +3,39 @@ logfile_maxbytes=1MB
logfile_backups=2 logfile_backups=2
nodaemon=true 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-listener] [eventlistener:supervisor-proc-exit-listener]
command=/usr/bin/supervisor-proc-exit-listener --container-name dhcp_relay command=/usr/bin/supervisor-proc-exit-listener --container-name dhcp_relay
events=PROCESS_STATE_EXITED events=PROCESS_STATE_EXITED
autostart=true autostart=true
autorestart=unexpected autorestart=unexpected
[program:start.sh]
command=/usr/bin/start.sh
priority=1
autostart=true
autorestart=false
stdout_logfile=syslog
stderr_logfile=syslog
[program:rsyslogd] [program:rsyslogd]
command=/usr/sbin/rsyslogd -n command=/usr/sbin/rsyslogd -n -iNONE
priority=2 priority=1
autostart=false autostart=false
autorestart=false autorestart=false
stdout_logfile=syslog stdout_logfile=syslog
stderr_logfile=syslog stderr_logfile=syslog
dependent_startup=true
[program:start]
command=/usr/bin/start.sh
priority=2
autostart=false
autorestart=false
startsecs=0
stdout_logfile=syslog
stderr_logfile=syslog
dependent_startup=true
dependent_startup_wait_for=rsyslogd:running
[group:isc-dhcp-relay] [group:isc-dhcp-relay]
programs=isc-dhcp-relay-Vlan1000 programs=isc-dhcp-relay-Vlan1000
@ -35,6 +47,8 @@ autostart=false
autorestart=false autorestart=false
stdout_logfile=syslog stdout_logfile=syslog
stderr_logfile=syslog stderr_logfile=syslog
dependent_startup=true
dependent_startup_wait_for=start:exited
[group:dhcpmon] [group:dhcpmon]
@ -47,6 +61,8 @@ autostart=false
autorestart=false autorestart=false
stdout_logfile=syslog stdout_logfile=syslog
stderr_logfile=syslog stderr_logfile=syslog
dependent_startup=true
dependent_startup_wait_for=isc-dhcp-relay-Vlan1000:running