Merge pull request #3942 from avni/jerry

usb_lib: building on to top of @jvonau's work in #3940. Using existence of /media to determine if a USB stick is mounted or not for both count and upload location; changing tabs to spaces for upload2usb.php

roles/usb_lib/files/upload2usb/upload2usb.php

@@ -10,22 +10,20 @@ set_exception_handler(function (Throwable $exception) {
     include ("error.php");
 });
 
-
 //return the first removable USB drive location
 function getTargetUSBDriveLocation () {
-         // Get the first removal USB drive using
-         // lsblk --output NAME,TRAN,RM,MOUNTPOINT --pairs |grep RM=\"1\" | grep -v MOUNTPOINT=\"\" |grep -oP '[^/]MOUNTPOINT="\K[^"]*' -m 1
-         // lsblk --output NAME,TRAN,RM,MOUNTPOINT --pairs |grep RM=\"1\" | grep -v MOUNTPOINT=\"\" | cut -d " " -f 4 | cut -d "=" -f 2
+         // Get the count of storage mounted at /media, and error if there is <>1 otherwise return upload path
 
          # error if 1<>usb sticks are installed
-	 $rmv_usb_path_count = shell_exec('lsblk --output NAME,TRAN,RM,MOUNTPOINT --pairs |grep RM=\"1\" | grep -v MOUNTPOINT=\"\" | cut -d " " -f 4  | wc -l');
+         $rmv_usb_path_count = shell_exec('lsblk --output NAME,TRAN,RM,MOUNTPOINT --pairs | cut -d " " -f 4 | grep "^MOUNTPOINT=\"/media" | wc -l');
+
          if ($rmv_usb_path_count == 0) {
                throw new RuntimeException('0 USB sticks found. <br/><br/>');
          } elseif ($rmv_usb_path_count > 1) {
                throw new RuntimeException('More than 1 USB sticks installed. <br/><br/>');
          }
 
-         $rmv_usb_path = trim(str_replace('"', '', shell_exec('lsblk --output NAME,TRAN,RM,MOUNTPOINT --pairs |grep RM=\"1\" | grep -v MOUNTPOINT=\"\" | cut -d " " -f 4 | cut -d "=" -f 2')));
+         $rmv_usb_path = trim(str_replace('"', '', shell_exec('lsblk --output NAME,TRAN,RM,MOUNTPOINT --pairs | cut -d " " -f 4 | grep "^MOUNTPOINT=\"/media" | cut -d "=" -f 2')));
 
          if (empty($rmv_usb_path)) {
                throw new RuntimeException('Not able to find USB stick. <br/><br/>');
@@ -100,5 +98,4 @@ function getUniqueFileName ($target_folder_path, $filename) {
 // }
 
 
-
 ?>

roles/usb_lib/files/usbmount/usbmount

@@ -15,7 +15,7 @@
 # PARTICULAR PURPOSE.
 # https://github.com/iiab/iiab/blob/master/roles/usb_lib/files/usbmount/copyright
 # https://github.com/rbrito/usbmount/blob/master/debian/copyright
-set -e
+#set -e
 exec > /dev/null 2>&1
 
 ######################################################################
@@ -96,22 +96,44 @@ if [ "$1" = add ]; then
     USAGE=$(echo "$DEVINFO"  | sed 's/.*[[:blank:]]USAGE="\([^"]*\)".*/\1/g; s/[[:blank:]]*//g;')
 
     if ! echo $USAGE | egrep -q "(filesystem|disklabel)"; then
-	log info "$DEVNAME does not contain a filesystem or disklabel"
+        log debug "/$DEVNAME does not contain a filesystem or disklabel"
+        lockfile-remove /var/run/usbmount/.mount
 	    exit
     fi
 
-    # Try to use specifications in /etc/fstab first.
+    log debug "/$DEVNAME contains filesystem type $FSTYPE"
+    BOOTFW_DEV=$(/usr/bin/findmnt -no source /boot/firmware)
+    log debug "BOOTFW_DEV $BOOTFW_DEV"
+    ROOT_DEV=$(/usr/bin/findmnt -no source /)
+    log debug "ROOT_DEV $ROOT_DEV"
+    BOOT_DEV=$(/usr/bin/findmnt -no source /boot)
+    log debug "BOOT_DEV $BOOT_DEV"
+
+    if [ $BOOTFW_DEV = /$DEVNAME ]; then
+	    log debug "skipping BOOTFS_DEV $BOOTFS_DEV mounted at /boot/firmware"
+        lockfile-remove /var/run/usbmount/.mount
+        exit
+    elif [ $ROOT_DEV = /$DEVNAME ]; then
+        log debug "skipping ROOT_DEV $ROOT_DEV mounted at /"
+        lockfile-remove /var/run/usbmount/.mount
+        exit
+    elif [ $BOOT_DEV = /$DEVNAME ]; then
+        log debug "skipping BOOT_DEV $BOOT_DEV mount as /boot"
+        lockfile-remove /var/run/usbmount/.mount
+        exit
+    fi
+
+    # Try to use specifications in /etc/fstab to skip.
     if egrep -q "^[[:blank:]]*$DEVNAME" /etc/fstab; then
-	log info "executing command: mount $DEVNAME"
-	mount $DEVNAME || log err "mount by DEVNAME with $DEVNAME wasn't successful; return code $?"
-
+        log debug "skipping /$DEVNAME exit"
+        lockfile-remove /var/run/usbmount/.mount
+        exit
     elif grep -q "^[[:blank:]]*UUID=$UUID" /etc/fstab; then
-        log info "executing command: mount -U $UUID"
-	mount -U $UUID || log err "mount by UUID with $UUID wasn't successful; return code $?"
-
+        log debug "skipping $UUID"
+        lockfile-remove /var/run/usbmount/.mount
+	exit
     else
-	log debug "$DEVNAME contains filesystem type $FSTYPE"
-
+        log debug "/$DEVNAME contains filesystem type $FSTYPE"
         fstype=$FSTYPE
         # Test if the filesystem type is in the list of filesystem
         # types to mount.
@@ -120,7 +142,7 @@ if [ "$1" = add ]; then
             for v in $MOUNTPOINTS; do
                 if [ -d "$v" ] && ! grep -q "^[^ ][^ ]*  *$v " /proc/mounts; then
                     mountpoint="$v"
-		    log debug "mountpoint $mountpoint is available for $DEVNAME"
+		            log debug "mountpoint $mountpoint is available for /$DEVNAME"
                     break
                 fi
             done

roles/usb_lib/tasks/install.yml

@@ -53,7 +53,7 @@
 #    deb: "{{ iiab_download_url }}/usbmount_0.0.22_all.deb"
 #  # when: is_debian
 
-- name: Install lockfile-progs and util-linux for usbmount from OS repo
+- name: Install lockfile-progs and util-linux (findmnt blkid) for usbmount from OS repo
   package:
     name:
       - lockfile-progs