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