Initial commit.

one-context.d/loc-05-grow-rootfs

@@ -0,0 +1,99 @@
+#!/usr/bin/env bash
+
+# -------------------------------------------------------------------------- #
+# Copyright 2002-2020, OpenNebula Project, OpenNebula Systems                #
+#                                                                            #
+# Licensed under the Apache License, Version 2.0 (the "License"); you may    #
+# not use this file except in compliance with the License. You may obtain    #
+# a copy of the License at                                                   #
+#                                                                            #
+# http://www.apache.org/licenses/LICENSE-2.0                                 #
+#                                                                            #
+# Unless required by applicable law or agreed to in writing, software        #
+# distributed under the License is distributed on an "AS IS" BASIS,          #
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #
+# See the License for the specific language governing permissions and        #
+# limitations under the License.                                             #
+#--------------------------------------------------------------------------- #
+
+set -e
+
+GROW_ROOTFS=${GROW_ROOTFS:-YES}
+GROW_ROOTFS=${GROW_ROOTFS^^}
+
+if [ "${GROW_ROOTFS}" != 'YES' ]; then
+    echo 'Skipped root filesystem growing.' >&2
+    exit 0
+fi
+
+# FreeBSD
+if [ -x /etc/rc.d/growfs ]; then
+    /etc/rc.d/growfs onestart
+    exit $?
+fi
+
+MOUNT_LINE=$(cat /etc/mtab | grep ' / ' | grep -v '^rootfs')
+DEVICE=$(echo "$MOUNT_LINE" | cut -d' ' -f1)
+FSTYPE=$(echo "$MOUNT_LINE" | cut -d' ' -f3)
+GROWPART=$(which growpart)
+
+if [ $? -ne 0 ]; then
+  echo "growpart command is missing"
+  exit 1
+fi
+
+if [ $(lvdisplay ${DEVICE} 2>/dev/null | wc -l) -eq 0 ]; then
+  DEVICE=$(findmnt -ln -o SOURCE /)
+  DISK=$(echo "$DEVICE" | sed 's/[0-9]*$//')
+  PARTITION=$(echo "$DEVICE" | sed "s|^$DISK||")
+  LVM="no"
+fi
+
+if [ "${LVM}" != "no" ]; then
+  if [ -f /etc/debian_version ]; then
+    DEVICE=$(mount | grep ' / ' | grep -v '^rootfs'|cut -d' ' -f1)
+  fi
+  PVRESIZE=$(which pvresize)
+  LVEXTEND=$(which lvextend)
+  DISK=$(pvdisplay |grep "PV Name"|awk '{print $3}'|sed 's/.$//')
+  PARTITION=$(pvdisplay |grep "PV Name"|awk '{print $3}'| sed "s|^${DISK}||")
+  PV=$(pvdisplay |grep "PV Name"|awk '{print $3}')
+  LV=$(lvdisplay ${DEVICE} |grep "LV Path"|awk '{print $3}')
+
+  # when PV is on MSDOS logical partition, detect the umbrella
+  # extended partition and grow it first
+  TABLE=$(parted -s ${DISK} print 2>/dev/null | grep 'Partition Table:' | awk '{print $3}')
+  if [ "${TABLE}" = 'msdos' ] && [ ${PARTITION} -gt 4 ]; then
+    PARTITION="$(parted -s ${DISK} print | grep 'extended' | awk '{print $1}') $PARTITION"
+  fi
+fi
+
+if [ -n "$DEBUG" ]; then
+  echo DEVICE: ${DEVICE}
+  echo FSTYPE: ${FSTYPE}
+  echo DISK: ${DISK}
+  echo PARTITION: ${PARTITION}
+fi
+
+(
+  for PART in ${PARTITION}; do
+    ${GROWPART} ${DISK} ${PART}
+  done
+
+  if [ "${LVM}" != "no" ]; then
+    ${PVRESIZE} ${PV}
+    ${LVEXTEND} -l +100%FREE ${LV}
+  fi
+) || :  # don't fail, partition can be already extended by dracut
+
+case "${FSTYPE}" in
+  ext2|ext3|ext4)
+    resize2fs ${DEVICE}
+    ;;
+  xfs)
+    xfs_growfs /
+    ;;
+  btrfs)
+    btrfs filesystem resize max /
+    ;;
+esac