Dunestorm
4f042de02f
- Refactored check_dir to report_status. - Force initiated iSCSI status read prior to status check.
141 lines
2.8 KiB
Bash
Executable File
141 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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report_status (){
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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:" $MOUNT_DIR
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fi
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read_iscsi_con
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echo ""
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echo "There is/are currently '$(${_ISCSI_CON} 2>&1 | wc -l)' iSCSI connection(s) open:"
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echo "${_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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report_status
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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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report_status
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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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report_status
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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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