CP-24532: trigger pusb scan

add udev rule to call usb_change script when USB device change is
detected, usb_change call pusb scan if license check is OK.

Signed-off-by: Talons Lee <[email protected]>
Reviewed-by: Germano Percossi <[email protected]>

Makefile

@@ -65,7 +65,7 @@ SM_LIBS += fcoelib
 SM_LIBS += constants
 SM_LIBS += cbtutil
 
-UDEV_RULES = 39-multipath 40-multipath 55-xs-mpath-scsidev 58-xapi
+UDEV_RULES = 39-multipath 40-multipath 55-xs-mpath-scsidev 57-usb 58-xapi
 MPATH_DAEMON = sm-multipath
 MPATH_CONF = multipath.conf
 CIFS_CONF = cifs.conf
@@ -199,6 +199,7 @@ install: precheck
 	mkdir -p $(SM_STAGING)$(LIBEXEC)
 	install -m 755 scripts/local-device-change $(SM_STAGING)$(LIBEXEC)
 	install -m 755 scripts/check-device-sharing $(SM_STAGING)$(LIBEXEC)
+	install -m 755 scripts/usb_change $(SM_STAGING)$(LIBEXEC)
 	$(MAKE) -C dcopy install DESTDIR=$(SM_STAGING)
 	$(MAKE) -C snapwatchd install DESTDIR=$(SM_STAGING)
 	$(MAKE) -C mpathroot install DESTDIR=$(SM_STAGING)

scripts/usb_change

@@ -0,0 +1,21 @@
+#!/bin/sh
+#
+# Copyright (C) Citrix Systems Inc.
+#
+# This program is free software; you can redistribute it and/or modify 
+# it under the terms of the GNU Lesser General Public License as published 
+# by the Free Software Foundation; version 2.1 only.
+#
+# This program is distributed in the hope that it will be useful, 
+# but WITHOUT ANY WARRANTY; without even the implied warranty of 
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+#
+# called by UDEV rule to trigger pusb scan, when USB device change is detected
+
+. /etc/xensource-inventory
+xe pusb-scan host-uuid=${INSTALLATION_UUID}

udev/57-usb.rules

@@ -0,0 +1,17 @@
+# enable the following line info about usb device
+# SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", GOTO="label_usb"
+SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_interface", GOTO="label_usb"
+# enable the following line info about usb block disk
+# SUBSYSTEM=="block", SUBSYSTEMS=="usb", KERNEL!="*[0-9]", GOTO="label_usb"
+
+GOTO="label_end_usb"
+
+###############################################################################
+
+LABEL="label_usb"
+
+ACTION=="add|change|remove", RUN+="/opt/xensource/libexec/usb_change %E{DEVTYPE} %E{ACTION} %E{SEQNUM} %k"
+
+###############################################################################
+
+LABEL="label_end_usb"