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#!/bin/sh -e
# ***** BEGIN LICENSE BLOCK *****
# * Copyright (C) 2007  Alexey Gladkov <legion@altlinux.org>
# *
# * This program is free software; you can redistribute it and/or modify
# * it under the terms of the GNU General Public License as published by
# * the Free Software Foundation; either version 2 of the License, or
# * (at your option) any later version.
# *
# * 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 General Public License for more details.
# *
# * You should have received a copy of the GNU General Public License
# * along with this program; if not, write to the Free Software
# * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
# ***** END LICENSE BLOCK *****

WITHOUT_RC_COMPAT=1
. /etc/init.d/functions
. shell-error
. shell-args

cwd="$PWD"
outfile=

begin_msg() {
	[ -z "$quiet" ] || return 0
	[ -z "$*" ] || printf '%s ' "$*"
}

end_msg() {
	[ -z "$quiet" ] || return 0
	if [ "$BOOTUP" = color ]; then
		local rc=$1
		case "$rc" in
			17) echo_passed ;;
			0) echo_success ;;
			*) echo_failure ;; 
		esac ||:
	fi
	echo
}

show_help() {
	local rc="${1:-0}"
	cat <<EOF

$PROG - Collect hardware infomation.

Usage: $PROG [options]

Options:
   --[no-]check=LIST
$(printf %s\\n "$save_env" |sed -ne 's/.*/   --&/pg' |tr _ - |sed -e 's/--no-/--[no-]/')
   -o, --outfile=FILE  Save report archive info <FILE>;
   -q, --quiet         Try to be more quiet;
   -v, --verbose       Print a message for each action;
   -V, --version       Print program version and exit;
   -h, --help          Show this message.

EOF
	exit "$rc"
}

timestamp() {
	printf '# ' > "$1"
	date >> "$1" 2>&1
}

workdir=
exit_handler() {
	local rc=$?
	trap - EXIT
	[ ! -d "$workdir" ] || rm -rf -- "$workdir"
	exit $rc
}

################
### Information
################

# Information about udev events in the system
export no_save_udevtrigger=
save_udevtrigger_msg='Obtaining kernel devices events'
save_udevtrigger() {
	[ -z "$no_save_udevtrigger" ] || return 0

	local r='sysreport.udevtrigger'
	timestamp "$r"
	printf "# 'udevtrigger --dry-run --verbose' output\n\n" >> "$r"
	udevtrigger --dry-run --verbose >>"$r" 2>&1 || return
}

# Information about modules and device modaliases
module_sysinfo() {
	local path="$1" module= params=

	module="${path##*/}"
	if [ -d "$path/parameters" ]; then
		for p in "$path/parameters"/*; do
			[ "$p" != "$path/parameters/*" ] || break
			params="$params ${p##*/}=$(cat "$p")"
		done
	fi
	printf "%s\t%s\n" "$module" "$params"
}

modalias_info() {
	local path="$1" p real_path
	if [ ! -e "$path/driver" ]; then
		printf "\t\n"
		return
	fi
	
	if ! real_path="$(readlink -ev "$path/driver/module" 2>/dev/null)"; then
		printf "\t\n"
		return
	fi

	module_sysinfo "$real_path"
}

export no_save_modalias=
save_modalias_msg='Obtaining modalias'
save_modalias() {
	[ -z "$no_save_modalias" ] || return 0
	
	local p r='sysreport.modalias'
	timestamp "$r"
	printf "# Format: <modalias><TAB><module><TAB><params>\n\n" >> "$r"
	udevtrigger --dry-run --verbose |
	while read p; do
		if [ -f "/sys/$p/modalias" ]; then
			modalias="$(cat "/sys/$p/modalias")"
			info="$(modalias_info "/sys/$p")"
			printf "%s\t%s\n" "$modalias" "$info"
		fi
	done >> "$r"
}

# Information about kernel modules and params via /sys
export no_save_modules=
save_modules_msg='Obtaining kernel modules and params via /sys'
save_modules() {
	[ -z "$no_save_modules" ] || return 0

	local r='sysreport.kmodules'
	timestamp "$r"
	printf '# Format: <module><TAB><params>\n\n' >> "$r"

	local path=
	for path in /sys/module/*; do
		[ "$path" != "/sys/module/*" ] || break
		module_sysinfo "$path"
	done >> "$r"
}

# List all PCI devices
export no_save_lspci=
save_lspci_msg='Obtaining PCI device list'
save_lspci() {
	[ -z "$no_save_lspci" ] || return 0

	local r='sysreport.lspci'
	timestamp "$r"
	printf "# 'lspci -vvnn' output\n\n" >> "$r"
	lspci -vvnn >>"$r" 2>&1 || return
}

# Modules in the Linux Kernel
export no_save_lsmod=
save_lsmod_msg='Obtaining kernel modules list'
save_lsmod() {
	[ -z "$no_no_save_lspci" ] || return 0
	
	local r='sysreport.lsmod'
	timestamp "$r"
	printf "# 'lsmod' output\n\n" >> "$r"
	lsmod >>"$r" 2>&1 || return
}

# Information from the kernel ring buffer
export no_save_dmesg=
save_dmesg_msg='Obtaining kernel ring buffer'
save_dmesg() {
	[ -z "$no_save_dmesg" ] || return 0

	local r='sysreport.dmesg'
	timestamp "$r"
	printf "# 'dmesg' output\n\n" >> "$r"
	dmesg >>"$r" 2>&1 || return
}

export no_save_commoninfo=
save_commoninfo_msg='Obtaining system information'
save_commoninfo() {
	[ -z "$no_save_commoninfo" ] || return 0

	local r='sysreport.systeminfo'
	timestamp "$r"
	printf "# 'uname -a'\n" >> "$r"
	uname -a >>"$r" 2>&1 || return

	for f in /proc/cmdline /proc/meminfo /proc/cpuinfo /proc/filesystems /proc/mdstat
	do
		printf "\n# 'cat %s'\n" "$f" >> "$r"
		cat "$f" 2>&1 >> "$r" || return
	done
	printf \\n >> "$r"
}

# EVMS information
export no_save_evmsinfo=
save_evmsinfo_msg='Obtaining EVMS information'
save_evmsinfo() {
	[ -z "$no_save_evmsinfo" ] || return 0
	[ -x /sbin/evms_activate ] || return 17

	local r='sysreport.evmsplugins'
	timestamp "$r"

	evms_activate >> "$r" 2>&1 || return	
	printf "# 'evms_query plugins -i' output\n\n" >> "$r"
	evms_query plugins -i >> "$r" 2>&1 || return

	r='sysreport.evms'
	timestamp "$r"
	printf "# 'evms_query info' output\n\n" >> "$r"
	evms_query info >> "$r" 2>&1 || return

	printf "\n# 'evms_query disks' output\n" >> "$r"
	evms_query disks 2>&1 >> "$r" || return

	local d
	for d in `evms_query disks`; do
		printf "\n# 'evms_query volumes $d' output\n" >> "$r"
		evms_query volumes "$d" 2>&1 >> "$r" || return
	done

	for d in `evms_query volumes`; do
		printf "\n# 'evms_query info $d' output\n" >> "$r"
		evms_query info "$d" 2>&1 >> "$r" || return
	done

	[ ! -s "/var/log/evms-engine.log" ] ||
		cp -p /var/log/evms-engine.log "sysreport.evms-engine.log"
}

# Partition table information via fdisk
export no_save_fdisk=
save_fdisk_msg='Obtaining FDISK information'
save_fdisk() {
	[ -z "$no_save_fdisk" ] || return 0

	local r='sysreport.fdisk'
	timestamp "$r"
	printf "# 'fdisk -l' output\n\n" >> "$r"
	fdisk -l >> "$r" 2>&1 || return
}

# VESA Display Data Channel (or DDC)
export no_save_ddcprobe=
save_ddcprobe_msg='Obtaining VESA Display Data Channel'
save_ddcprobe() {
	[ -z "$no_save_ddcprobe" ] || return 0
	[ -x /usr/sbin/ddcprobe ] || return 17

	local r='sysreport.ddcprobe'
	timestamp "$r"
	printf "# 'ddcprobe' output\n\n" >> "$r"
	LC_ALL=C /usr/sbin/ddcprobe >> "$r" 2>&1 || return
}

# DMI (some say SMBIOS) table information
export no_save_dmidecode=
save_dmidecode_msg='Obtaining DMI table information'
save_dmidecode() {
	[ -z "$no_save_dmidecode" ] || return 0
	[ -x /usr/sbin/dmidecode ] || return 17

	local r='sysreport.dmidecode'
	timestamp "$r"
	printf "# 'dmidecode' output\n\n" >> "$r"
	LC_ALL=C /usr/sbin/dmidecode >> "$r" 2>&1 || return
}

# The "vital product data" information
export no_save_vpddecode=
save_vpddecode_msg='Obtaining vital product data'
save_vpddecode() {
	[ -z "$no_save_vpddecode" ] || return 0
	[ -x /usr/sbin/vpddecode ] || return 17

	local r='sysreport.vpddecode'
	timestamp "$r"
	printf "# 'vpddecode' output\n\n" >> "$r"
	LC_ALL=C /usr/sbin/vpddecode >> "$r" 2>&1 || return
}

# BIOS information
export no_save_biosdecode=
save_biosdecode_msg='Obtaining BIOS information'
save_biosdecode() {
	[ -z "$no_no_save_vpddecode" ] || return 0
	[ -x /usr/sbin/biosdecode ] || return 17

	local r='sysreport.biosdecode'
	timestamp "$r"
	printf "# 'biosdecode' output\n\n" >> "$r"
	LC_ALL=C /usr/sbin/biosdecode >> "$r" 2>&1 || return
}

save_env="$(printenv |sed -ne 's/^\(no_save_[a-z]\+\)=.*/\1/pg' |sort -u)"
getopt_save="$(printf %s "$save_env" |sed -e 's/^no_//' |tr _ - |tr -s '[:space:]' ',')"
getopt_no_save="$(printf %s "$save_env" |tr _ - |tr -s '[:space:]' ',')"
TEMP=`getopt -n $PROG -o o:,$getopt_common_opts -l outfile:,save:,no-save:,$getopt_save,$getopt_no_save,$getopt_common_longopts -- "$@"` || show_usage
eval set -- "$TEMP"
while :; do
	case "$1" in
		--save|--no-save)
			mode="$1"
			shift
			save_value=
			[ -n "${mode##--no-save*}" ] || save_value=1
			if [ -n "$(printf %s "$1" |tr -d '[:alpha:],[:space:]')" ]; then
				message "$mode: invalid argument: $1"
				show_usage
			fi
			for arg in `printf %s "$1" |tr , ' '`; do
				name="no_save_$arg"
				if ! echo "$save_env" |grep -qs "^$name\$"; then
					message "$mode: invalid argument: $arg"
					show_usage
				fi
				eval "$name=$save_value"
			done
			;;
		--save-|--no-save-) show_usage
			;;
		--save-[a-z]*)
			arg="no_save_${1##--save-}"
			eval $arg=
			;;
		--no-save-[a-z]*)
			arg="no_save_${1##--no-save-}"
			eval $arg=1
			;;
		-o|--outfile) shift; outfile="$1"
			;;
		--) shift; break
			;;
		*) parse_common_option "$1"
			;;
	esac
	shift
done

trap exit_handler HUP PIPE INT QUIT TERM EXIT
workdir="`mktemp -dt "$PROG.XXXXXXXXXX"`"
cd "$workdir"

for f in \
	save_udevtrigger save_modalias save_modules save_lspci save_lsmod save_dmesg save_commoninfo \
	save_evmsinfo save_fdisk save_ddcprobe save_dmidecode save_vpddecode save_biosdecode ;
do
	eval msg="\${${f}_msg:-Obtaining unknown information}"
	begin_msg "$msg"
	"$f" && rc=0 || rc=$?
	end_msg "$rc"
done

if ls -1 sysreport.* >/dev/null 2>&1; then
	[ -n "$outfile" ] ||
		outfile="$cwd/sysreport-$(date +"%Y%m%d").tar.bz2"

	begin_msg "Saving system information to $outfile"
	tar -cjf "$outfile" sysreport.* && rc=0 || rc=$?
	end_msg "$rc"

	printf '\n\nPlease submit %s to sysreport@altlinux.org\n\n' "$outfile"
fi