joyent-portal/docker/frontend/bin/reload-nginx.sh
2017-08-01 23:58:56 +01:00

52 lines
1.4 KiB
Bash
Executable File

#!/bin/bash
# Render Nginx configuration template using values from Consul,
# but do not reload because Nginx has't started yet.
# Install key files for TLS auth in nginx
preStart() {
# Copy creds from env vars to files on disk
if [ -n ${!NGINX_CA_CRT} ] \
&& [ -n ${!NGINX_SERVER_KEY} ] \
&& [ -n ${!NGINX_SERVER_CRT} ]
then
local nginx_path=/etc/nginx/certs
mkdir -p $nginx_path
mkdir -p $nginx_path/ca
mkdir -p $nginx_path/server
echo -e "${NGINX_CA_CRT}" | tr '#' '\n' > $nginx_path/ca/ca.crt
echo -e "${NGINX_SERVER_KEY}" | tr '#' '\n' > $nginx_path/server/server.key
echo -e "${NGINX_SERVER_CRT}" | tr '#' '\n' > $nginx_path/server/server.crt
chmod 444 $nginx_path/ca/ca.crt
chmod 444 $nginx_path/server/server.key
chmod 444 $nginx_path/server/server.crt
fi
consul-template \
-once \
-consul localhost:8500 \
-template "/etc/nginx/nginx.conf.tmpl:/etc/nginx/nginx.conf"
}
# Render Nginx configuration template using values from Consul,
# then gracefully reload Nginx
onChange() {
consul-template \
-once \
-consul localhost:8500 \
-template "/etc/nginx/nginx.conf.tmpl:/etc/nginx/nginx.conf:nginx -s reload"
}
until
cmd=$1
if [ -z "$cmd" ]; then
onChange
fi
shift 1
$cmd "$@"
[ "$?" -ne 127 ]
do
onChange
exit
done