Create resize_rootfs.sh

自动扩容
ykla · Feb 6, 2020 · c30bcf9 · c30bcf9
1 parent 9179064
commit c30bcf9
Showing 1 changed file with 39 additions and 0 deletions.
diff --git a/resize_rootfs.sh b/resize_rootfs.sh
@@ -0,0 +1,39 @@
+#!/bin/sh
+
+set -e
+
+if [ "$(id -u)" -ne "0" ]; then
+	echo "This script requires root."
+	exit 1
+fi
+
+set -x
+
+DEVICE="/dev/mmcblk0"
+PART="2"
+
+resize() {
+	start=$(fdisk -l ${DEVICE}|grep ${DEVICE}p${PART}|awk '{print $2}')
+	echo $start
+
+	set +e
+	fdisk ${DEVICE} <<EOF
+p
+d
+2
+n
+p
+2
+$start
+
+w
+EOF
+	set -e
+
+	partx -u ${DEVICE}
+	resize2fs ${DEVICE}p${PART}
+}
+
+systemctl disable resize_rootfs
+resize
+