135 lines
4.3 KiB
Bash
Executable File
135 lines
4.3 KiB
Bash
Executable File
#!/bin/sh
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##########################################################
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# Copyright (C) 2010-2016 VMware, Inc. All rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation version 2.1 and no later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE. See the Lesser GNU General Public
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# License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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##########################################################
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##########################################################################
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# DO NOT modify this file directly as it will be overwritten the next
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# time the VMware Tools are installed.
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##########################################################################
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#
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# statechange.sh
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#
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# This script is a refactored version of the legacy power scripts (e.g.,
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# poweron-vm-default). It expects to be installed in their places --
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# in other words, `basename "$0"` might be poweron-vm-default.
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#
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# Handy reference/shorthand used in this doc/scripts:
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# TOOLS_CONFDIR ::= Depends on platform and installation settings. Likely
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# "/etc/vmware-tools" or
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# "/Library/Application Support/VMware Tools"
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# powerOp ::= One of "poweron-vm", "poweroff-vm", "suspend-vm", and
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# "resume-vm".
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# vmwScriptDir ::= $TOOLS_CONFDIR/scripts/vmware
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# userScriptDir ::= $TOOLS_CONFDIR/scripts/${powerOp}-default.d
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#
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# End users may install scripts of their own under $userScriptDir. They
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# are executed in alphabetical order with "$powerOp" as the only argument.
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#
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# NB: This directory layout remains to preserve backwards compatibility. End
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# users are free to write a single script which uses its only parameter
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# (${powerOp}) as a discriminator, and then install symlinks to it in each
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# of the ${powerOp}-default.d directories.
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#
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# On power-on and resume, VMware's scripts execute before the end user's. On
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# suspend and power-off, the end user's execute before VMware's. (This way,
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# VMware stops services only after the user's scripts have finished their
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# work, and conversely restores the same services before the user's scripts
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# attempt to use them.)
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#
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# Should any script exit non-zero, only its value will be saved to exitCode.
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# (Any further non-zero exits will have no effect on exitCode.) This script
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# exits with $exitCode.
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#
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# XXX Consider using the available/enabled pattern for VMware's scripts.
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#
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# XXX This should be staged as a single executable whereby the desired
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# power operation is passed in as a parameter. (I.e., one would run
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# "/path/to/statechange.sh suspend-vm" rather than having to install
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# statechange.sh as suspend-vm-default.)
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#
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echo `date` ": Executing '$0'"
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# See above.
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TOOLS_CONFDIR=`dirname "$0"`
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export TOOLS_CONFDIR
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# Pull in subroutines like Panic.
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. "$TOOLS_CONFDIR"/statechange.subr
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#
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# RunScripts --
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#
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# Executes scripts installed under $scriptDir.
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#
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# Side effects:
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# exitCode may be incremented.
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#
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RunScripts() {
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scriptDir="$1"
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if [ -d "$scriptDir" ]; then
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for scriptFile in "$scriptDir"/*; do
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if [ -x "$scriptFile" ]; then
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"$scriptFile" $powerOp
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exitCode=`expr $exitCode \| $?`
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fi
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done
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fi
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}
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#
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# main --
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#
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# Entry point. See comments at top of file for details.
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#
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# Results:
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# Exits with $exitCode.
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#
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main() {
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# This is sanity checked in the case/esac bit below.
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powerOp=`basename "$0" | sed 's,-default,,'`
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exitCode=0
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vmwScriptDir="$TOOLS_CONFDIR/scripts/vmware"
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userScriptDir="$TOOLS_CONFDIR/scripts/${powerOp}-default.d"
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case "$powerOp" in
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poweron-vm|resume-vm)
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RunScripts "$vmwScriptDir"
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RunScripts "$userScriptDir"
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;;
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poweroff-vm|suspend-vm)
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RunScripts "$userScriptDir"
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RunScripts "$vmwScriptDir"
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;;
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*)
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Panic "Invalid argument: $powerOp"
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;;
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esac
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return $exitCode
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}
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main
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