Dunestorm
4b1dc8c5fc
- Attempting to read from iscsiadm must now be challenged by root. - Mount operations now take into account the defined iSCSI target rather than simply the number of active connections.
140 lines
2.8 KiB
Bash
Executable File
140 lines
2.8 KiB
Bash
Executable File
#!/bin/bash
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DISK_UUID="12E6B87AE6B86021"
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IQN="iqn.2000-01.com.synology:SR3.VMs"
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PORTAL_IP="192.168.0.3"
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MOUNT_DIR="/home/dunestorm/VMs"
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MONITOR_PROC="vmware"
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MONITOR_PROC_CNT=7
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# Do not modify
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_MONITOR_PROC_CNT=$(pgrep -f $MONITOR_PROC | wc -l)
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_ISCSI_CON=""
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_FLAG_FORCE=0
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# The use of iscsiadm requires admin privilages
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read_iscsi_con (){
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_ISCSI_CON=$(iscsiadm -m session)
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}
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show_usage (){
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echo "[Usage]"
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echo "Please use either '-m (--mount)' to mount or '-u (--umount)' to unmount this volume."
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echo ""
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echo "Additional Options:"
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echo "'-s (--status)'"
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echo "'-r (--release)'"
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exit 1;
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}
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check_dir (){
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echo "INFO: Process '${MONITOR_PROC}' has ${_MONITOR_PROC_CNT} instances running."
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if [ $(ls $MOUNT_DIR/. | wc -l) -ge 1 ]
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then
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echo ""
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echo "Directory is mounted at:" $MOUNT_DIR
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else
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echo ""
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echo "Directory is un-mounted from:" $MOUNT_DIR
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fi
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echo ""
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echo "There is/are currently '$(${_ISCSI_CON} 2>&1 | wc -l)' iSCSI connection(s) open:"
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echo "${_ISCSI_CON}"
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}
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check_proc_status (){
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if [ ${_MONITOR_PROC_CNT} -gt $MONITOR_PROC_CNT ]
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then
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echo "WARNING: process '${MONITOR_PROC}' is still running, unable to unmount volume safely."
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exit 2;
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else
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echo "INFO: Process ${MONITOR_PROC} is not running."
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fi
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}
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mount_func (){
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echo "[Attempting to mount iSCSI volume]"
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if [[ ${_ISCSI_CON} == *${IQN}* ]] && [[ $_FLAG_FORCE -eq 0 ]]
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then
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echo "WARNING: You're already connected to the '${IQN}' iSCSI target."
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echo "Use the -f (--force) flag to bypass this warning."
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exit 2;
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fi
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iscsiadm --mode node --targetname $IQN --portal $PORTAL_IP --login
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sleep 3
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mount /dev/disk/by-uuid/$DISK_UUID $MOUNT_DIR -o noauto,noperm
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check_dir
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}
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umount_func (){
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echo "[Attempting to un-mount iSCSI volume]"
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if [[ $_FLAG_FORCE -eq 0 ]]; then
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check_proc_status
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fi
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if [[ ${_ISCSI_CON} != *${IQN}* ]] && [[ $_FLAG_FORCE -eq 0 ]]
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then
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echo "WARNING: You're not currently connected to the '${IQN}' iSCSI target."
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echo "Use the -f (--force) flag to bypass this warning."
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exit 2;
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fi
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umount -l $MOUNT_DIR
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sleep 3
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iscsiadm --mode node --targetname $IQN --portal $PORTAL_IP --logout
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check_dir
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}
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check_admin (){
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if [[ $EUID -ne 0 ]]
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then
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echo "This command requires root, please re-run with appropriate permissions."
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exit 1;
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fi
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}
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# Process input parameters
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while (( "$#" )); do
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case "$2" in
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-f|--force)
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_FLAG_FORCE=1
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;;
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esac
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case "$1" in
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-m|--mount)
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check_admin
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read_iscsi_con
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mount_func
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;;
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-u|--umount)
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check_admin
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read_iscsi_con
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umount_func
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;;
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-s|--status)
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echo "[Showing status of mount-point]"
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check_admin
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read_iscsi_con
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check_dir
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;;
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-r|--release)
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echo "Smart iSCSI Mounter v0.97"
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;;
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-*)
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show_usage
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;;
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esac
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exit 0;
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done
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# Show usage if no parameters have been passed
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if [[ $# -eq 0 ]]
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then
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show_usage
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fi
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