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Update Dockerfile and include cronjob
including s6 overlay to docker image plus implementing the cronjob to update certs in eturnal turn server. eturnal reloads certificates without interrupting/closing existing sessions.
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Sando
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Sep 11, 2022
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| #!/command/with-contenv /bin/sh | ||
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| # only run the script if TURNS is enabled (and if acme.sh is used in web container) | ||
| if [ ! -z $TURNS_HOST ] || ([ ! -z $TURNS_HOST ] && [ $ENABLE_LETSENCRYPT -eq 1 ]); then | ||
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| while true; do | ||
| # sleep a sufficient time to give the web container's acme.sh script a chance to obtain certificates | ||
| sleep 60s | ||
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| # mounted certs from web container | ||
| TLS_CERT_FILE=$(find /etc/ -name fullchain.pem) | ||
| TLS_KEY_FILE=$(find /etc/ -name key.pem) | ||
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| # check if files have changed | ||
| if [ ! -z $TLS_CERT_FILE ] || [ ! -z $TLS_KEY_FILE ]; then | ||
| current=$(md5sum /opt/eturnal/tls/fullchain.pem | awk '{ print $1 }') | ||
| last_modified=$(md5sum $TLS_CERT_FILE | awk '{ print $1 }') | ||
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| # copy certs to eturnal, adjust configuration file | ||
| if [ "$current" != "$last_modified" ]; then | ||
| echo " $(date) [Info] TLS certificates have been renewed, copy certs to eturnal and reload" | ||
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| if [ ! -z $TLS_CERT_FILE ]; then | ||
| cp -p $TLS_CERT_FILE /opt/eturnal/tls | ||
| sed -i -e "s|#tls_crt_file:|tls_crt_file:|g" /opt/eturnal/etc/eturnal.yml | ||
| fi | ||
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| if [ ! -z $TLS_KEY_FILE ]; then | ||
| cp -p $TLS_KEY_FILE /opt/eturnal/tls | ||
| sed -i -e "s|#tls_key_file:|tls_key_file:|g" /opt/eturnal/etc/eturnal.yml | ||
| fi | ||
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| # fix ownership and reload the service (reloading eturnal does not stop/break any active sessions) | ||
| chown 9000:9000 /opt/eturnal/tls/* | ||
| eturnalctl reload | ||
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| else | ||
| echo " $(date) [Info] CronJob: TLS certificates have not been renewed, check again in 5 minutes" | ||
| fi | ||
| sleep 240s | ||
| fi | ||
| done | ||
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| # don't repeatedly run the cron job, if eturnal does not serve TURNS | ||
| else | ||
| s6-svc -O /var/run/s6/legacy-services/cron | ||
| fi |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| #!/command/with-contenv /bin/sh | ||
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| # TURN credentials | ||
| if [ ! -z $TURN_CREDENTIALS ] | ||
| then | ||
| export ETURNAL_SECRET=$TURN_CREDENTIALS | ||
| fi | ||
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| # TURN relay port range | ||
| if [ ! -z $TURN_RELAY_MIN_PORT ] || [ ! -z $TURN_RELAY_MAX_PORT ] | ||
| then | ||
| if [ ${TURN_RELAY_MIN_PORT-50000} \< ${TURN_RELAY_MAX_PORT-50500} ] | ||
| then | ||
| export ETURNAL_RELAY_MIN_PORT=${TURN_RELAY_MIN_PORT-50000} | ||
| export ETURNAL_RELAY_MAX_PORT=${TURN_RELAY_MAX_PORT-50500} | ||
| else | ||
| echo "" | ||
| echo " $(date) [INFO] Configuration check:" | ||
| echo "" | ||
| echo " $(date) [WARNING] Defined TURN range minimum port -> ${TURN_RELAY_MIN_PORT-50000} is greater or equal than maximum port -> ${TURN_RELAY_MAX_PORT-50500}" | ||
| echo " $(date) [INFO] Starting eturnal with relay port range 50000 - 50500" | ||
| echo "" | ||
| export ETURNAL_RELAY_MIN_PORT=50000 | ||
| export ETURNAL_RELAY_MAX_PORT=50500 | ||
| fi | ||
| else | ||
| export ETURNAL_RELAY_MIN_PORT=50000 | ||
| export ETURNAL_RELAY_MAX_PORT=50500 | ||
| fi | ||
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| # discover public IP addresses | ||
| if [ ! -z $DOCKER_HOST_ADDRESS ] | ||
| then | ||
| export ETURNAL_RELAY_IPV4_ADDR=$DOCKER_HOST_ADDRESS | ||
| else | ||
| if [ -z "$JVB_DISABLE_STUN" ] | ||
| then | ||
| export ETURNAL_RELAY_IPV4_ADDR=${ETURNAL_RELAY_IPV4_ADDR-$(stun -4 $STUN_SERVICE)} | ||
| export ETURNAL_RELAY_IPV6_ADDR=${ETURNAL_RELAY_IPV6_ADDR-$(stun -6 $STUN_SERVICE)} | ||
| fi | ||
| fi | ||
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| exec eturnalctl foreground |