update 20160609

rsync_backup_lv.sh

@@ -0,0 +1,99 @@
+#!/bin/bash
+VG=$1
+LV=$2
+BPATH=$3
+SNAME="${VG}-${LV}-snapshot"
+OLVPATH="/dev/${VG}/${LV}"
+MLVPATH="/mnt/${SNAME}"
+SPATH="/dev/${VG}/${SNAME}"
+ZPATH="${BPATH}/${SNAME}"
+red=`tput setaf 1`
+blue=`tput setaf 4`
+green=`tput setaf 2`
+yellow=`tput setaf 3`
+pink=`tput setaf 5`
+reset=`tput sgr0`
+
+
+function removeSnapshot
+{
+  COLOR="$1"
+  STEP="$2"
+  CMD=("sudo" "lvremove" "-f" "$SPATH")
+  if ! "${CMD[@]}"; then
+    echo "${red}Error(${STEP}): removed snapshot - ${yellow}$SPATH${red} failed${reset}"
+    exit 1
+  else
+    echo "${COLOR}Succesfull(${STEP}): removed snapshot - ${yellow}$SPATH${reset}"
+  fi
+}
+
+function removeMountDir
+{
+  COLOR="$1"
+  STEP="$2"
+  CMD=("sudo" "rmdir" "$MLVPATH")
+  if ! "${CMD[@]}"; then
+    echo "${red}Error(${STEP}): removed mount folder - ${yellow}$SPATH${red} failed${reset}"
+    exit 1
+  else
+    echo "${COLOR}Succesfull(${STEP}): removed mount folder - ${yellow}$MLVPATH${reset}"
+  fi
+}
+
+function unMountDir
+{
+  COLOR="$1"
+  STEP="$2"
+  CMD=("sudo" "umount" "$MLVPATH")
+  if ! "${CMD[@]}"; then
+    echo "${red}Error(${STEP}): unmounted - ${yellow}$MLVPATH${red} failed${reset}"
+    exit 1
+  else
+    echo "${COLOR}Succesfull(${STEP}): unmounted - ${yellow}$MLVPATH${reset}"
+  fi
+}
+
+echo "${green}=== start backup for ${yellow}$OLVPATH${reset}"
+CMD=("sudo" "lvcreate" "-L10G" "-s" "-n" "$SNAME" "$OLVPATH")
+if ! $"${CMD[@]}"; then
+  echo "${red}Error(1): snapshot ${yellow}$SNAME${green} failed${reset}"
+  exit 1
+else
+  echo "${green}Succesfull(1): snapshot ${yellow}$SNAME${green} created.${reset}"
+fi
+
+CMD=("sudo" "mkdir" "-p" "$MLVPATH")
+if ! $"${CMD[@]}"; then
+  echo "${red}Error(2): snapshot mount folder ${yellow}$MLVPATH${green} failed${pink}"
+  removeSnapshot $blue "Cleanup"
+  exit 1
+else
+  echo "${green}Succesfull(2): snapshot mount folder ${yellow}$MLVPATH${green} created.${reset}"
+fi
+
+CMD=("sudo" "mount" "$SPATH" "$MLVPATH")
+if ! "${CMD[@]}"; then
+  echo "${red}Error(3): mount ${yellow}$SPATH${red} to ${yellow}$MLVPATH${red} failed${reset}"
+  removeMountDir $blue "Cleanup"
+  removeSnapshot $blue "Cleanup"
+  exit 1
+else
+  echo "${green}Succesfull(3): mount ${yellow}$SPATH${green} to ${yellow}$MLVPATH${reset}"
+fi
+
+echo "${green}--- start rsync-backup from ${yellow}$MLVPATH${green} to ${yellow}$ZPATH${reset}"
+CMD=("sudo" "rsync" "-Pavxh" "--delete" "--progress" "-e" "ssh" "$MLVPATH" "$ZPATH")
+if ! "${CMD[@]}"; then
+  echo "${red}Error(4): rsync-backup aborted${pink}"
+  unMountDir $blue "Cleanup"
+  removeMountDir $blue "Cleanup"
+  removeSnapshot $blue "Cleanup"
+  exit 1
+else
+  echo "${green}Succesfull(4): rdiff-backup finished${reset}"
+fi
+
+unMountDir $green "5"
+removeMountDir $green "6"
+removeSnapshot $green "7"