nginx-le.sh: improve parse nginx conf

certs/nginx-le.sh

@@ -2,6 +2,12 @@
 
 # run with domain or path to conf file (preferable)
 
+fatal()
+{
+    echo "FATAL: $*" >&2
+    exit 1
+}
+
 INTHOST=host03.eterhost.ru
 NCONF=$1
 shift
@@ -11,19 +17,21 @@ shift
 if [ -r "$NCONF" ] ; then
     DOMAIN=""
 
-    DOMAINARG=""
-    for i in $(grep server_name $NCONF | sed -e "s|;||") ; do
-        echo "$i" | grep -q "server_name" && continue
-        echo "$i" | grep -q "$INTHOST" && continue
-        [ -n "$DOMAIN" ] || DOMAIN="$i"
-        DOMAINARG="$DOMAINARG -d $i"
-    done
 else
     DOMAIN="$NCONF"
-    DOMAINARG="-d $DOMAIN"
     NCONF=/etc/nginx/sites-enabled.d/$DOMAIN.conf
 fi
 
+[ -r "$NCONF" ] || fatal "Can't find $NCONF"
+
+DOMAINARG=""
+for i in $(grep server_name $NCONF | sed -e "s|;||") ; do
+    echo "$i" | grep -q "server_name" && continue
+    echo "$i" | grep -q "$INTHOST" && continue
+    [ -n "$DOMAIN" ] || DOMAIN="$i"
+    DOMAINARG="$DOMAINARG -d $i"
+done
+
 # depends on a system
 DIR=/var/spool/nginx/tmp/client
 [ -d "$DIR" ] || DIR=/var/lib/nginx/tmp/client
@@ -38,7 +46,7 @@ CERTBOT=$(which certbot 2>/dev/null)
 [ -x "$CERTBOT" ] || CERTBOT=$(which certbot-auto 2>/dev/null)
 [ -x "$CERTBOT" ] || exit
 
-$CERTBOT certonly --webroot -w$DIR $DOMAINARG $@ || exit
+$CERTBOT certonly --webroot -w$DIR $DOMAINARG $@ || fatal
 
 KEY=/etc/letsencrypt/live/$DOMAIN/privkey.pem
 PEM=/etc/letsencrypt/live/$DOMAIN/fullchain.pem