first-boot.sh: resize filesystem and add better status reporting.

Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>

first-boot.sh.tmpl

@@ -11,6 +11,23 @@
 # along with this file.  If not, see <http://www.gnu.org/licenses/>.
 set -e
 
-certbot certonly --standalone -d DOMAIN -m LETSENCRYPT_EMAIL
-herd restart mumble-server
-herd restart nginx
+report()
+{
+    ret=$?
+    message="$@"
+
+    if [ ${ret} -eq 0 ] ; then
+	echo "[ OK ] ${message}"
+    else
+	echo "[ !! ] ${message} failed"
+	exit ${ret}
+    fi
+}
+
+echo ';;L;*' | sfdisk -f /dev/vda  ; report "Resizing /dev/vda1 partition" ; \
+partprobe
+resize2fs /dev/vda1 ; report "Growing /dev/vda1 filesystem"
+
+certbot certonly --standalone -d DOMAIN -m LETSENCRYPT_EMAIL ; report "Obtaining Lets's Encrypt certificate"
+herd restart mumble-server ; report "Restarting Mumble server"
+herd restart nginx ; report "Restarting Nginx server"