《Self Service Linux》数据收集脚本

这个脚本用于快速收集系统信息，相当给力，省的每次敲命令。。。

#!/bin/bash

################################################################################

# This script captures basic information for when a problem occurs.

# It can be used any time a problem occurs, as root or as a mortal user.

################################################################################

usage="Usage: vacuum [ -thorough | -perf | -hang <pid> | -trap | -error <cmd> ]"

mode_thorough=0

mode_perf=0

mode_hang=0

mode_trap=0

mode_error=0

topdir="" # The data collection directory

if [ -n $HOME ]

then

topdir=$HOME/investigations

else

topdir=~/investigations/$i

if [ $# -gt 0 ]

then

while true ; do

case $1 in

"-thorough" )

mode_thorough=1

shift

;;

"-perf" )

mode_perf=1

mode="PERF"

shift

;;

"-hang" )

mode_hang=1

shift

if [ $# -le 0 ]

then

echo $usage

exit 2

pid=$1

shift

;;

"-trap" )

mode_trap=1

shift412 Data Collection Script

;;

"-error" )

mode_error=1

shift

if [ $# -le 0 ]

then

echo $usage

exit 2

cmd=$1

shift

;;

* )

echo $usage

exit 2

;;

esac

if [ $# -le 0 ]

then

break ;

done

if [ ! -n $USER ]

then

USER=‘whoami‘

################################################################################

## Create the appropriate directory for this problem

################################################################################

i=0

invdir=$topdir/$i

while [ -d $invdir ]

let "i = i + 1"

invdir=$topdir/$i

done

echo Investigation directory: $invdir

################################################################################

## Create data directory, src directory and the investigation log

################################################################################

mkdir $invdir

mkdir $invdir/src

datadir=$invdir/data413

invlog=$invdir/log

mkdir $datadir

touch $invlog

echo "################################################################################"

>> $invlog

echo "## Header

##" >> $invlog

echo "################################################################################"

>> $invlog

echo "Problem number : $i" >> $invlog

echo -n "Time of data collector run : " >> $invlog

date >> $invlog

echo "Data collector run as : \"$0 $1 $2\" " >> $invlog

################################################################################

## Ready to go...

################################################################################

function collectFile

{

local comment=$1

local fileName=$2

local output=""

echo -n "COLLECT: $fileName ($comment) ... " >> $invlog

output='cp $fileName $datadir 2>&1'

if [ $? -ne 0 ]

then

echo "failed." >> $invlog

echo "output from copy:" >> $invlog

echo '{' >> $invlog

echo $output >> $invlog

echo '}' >> $invlog

else

echo "success." >> $invlog

echo >> $invlog

}

function runCommand

{

local comment=$1

local cmd=$2

echo "RUNCMD: $cmd ($comment) ... " >> $invlog

echo '{' >> $invlog

$cmd 2>&1 >> $invlog 2>&1

echo '}' >> $invlog

echo >> $invlog

}

function doQuickCollect

{

echo >> $invlog

echo "################################################################################"

>> $invlog

echo "## Quick Collect ##" >> $invlog

echo "################################################################################"

>> $invlog

#Environmental information

runCommand "Environment variables" "/usr/bin/env"

#Network information

collectFile "DNS resolution configuration file" "/etc/resolv.conf"

collectFile "Name service switch configuration file" "/etc/nsswitch.conf"

collectFile "Static table lookup file" "/etc/hosts"

collectFile "TCP/IP services file" "/etc/services"

runCommand "Interface information" "ifconfig -a"

runCommand "Interface information (no DNS)" "/bin/netstat -i -n"

runCommand "Socket information" "/bin/netstat -an"

runCommand "Extended socket information" "/bin/netstat -avn"

runCommand "Socket owner information" "/bin/netstat -p"

runCommand "Network routing table" "/bin/netstat -rn"

runCommand "Network statistics" "/bin/netstat -s"

runCommand "Extended routing information" "/bin/netstat -rvn"

## the grep commands below look odd but it is a simple trick to get the contents of

## everything under specific directories415

runCommand "Network information from /proc" "/usr/bin/find /proc/net -type f -exec /bin/grep -Hv '^$' {} "

runCommand "System information from /proc" "/usr/bin/find /proc/sys -type f -exec /bin/grep -Hv '^$' {} "

runCommand "SYSV IPC info from /proc" '/usr/bin/find /proc/sysvipc -type f -exec /bin/grep -Hv ^$ {} ;'

#File system information

runCommand "Type information" "/bin/df -lT"

runCommand "Usage information" "/bin/df -lk"

runCommand "Inode information" "/bin/df -li"

runCommand "Share information" "/usr/sbin/showmount -e"

runCommand "SCSI and IDE disk partition tables" "/sbin/fdisk -l /dev/sd* /dev/hd*"

runCommand "NFS statistic" "/usr/sbin/nfsstat -cnrs"

collectFile "Filesystems supported by the kernel" "/proc/filesystems"

collectFile "Export file" "/etc/exports"

collectFile "Mount file" "/etc/fstab"

collectFile "Partition information" "/proc/partitions"

#Kernel information

runCommand "User (resource) limits" "ulimit -a"

runCommand "IPC information" "/usr/bin/ipcs -a"

runCommand "Loaded module info" "/sbin/lsmod"

runCommand "IPC resource limits" "/usr/bin/ipcs -l"

runCommand "Kernel information" "/sbin/sysctl -a"

runCommand "Memory usage" "/usr/bin/free"

runCommand "Uptime" "/usr/bin/uptime"

runCommand "System name, etc" "/bin/uname -a"

runCommand "Current users" "/usr/bin/w"

runCommand "Process listing" "/bin/ps auwx"

runCommand "Recent users" "/usr/bin/last|/usr/bin/head -100"

runCommand "Contents of home directory" "/bin/ls -lda $HOME"

runCommand "Host ID" "/usr/bin/hostid"

collectFile "Kernel limits specified by the user" "/etc/sysctl.conf"

collectFile "Load average" "/proc/loadavg"

collectFile "I/O memory map" "/proc/iomap"

collectFile "I/O port regions" "/proc/ioports"

collectFile "Interrupts per each IRQ" "/proc/interupts"

collectFile "CPU status" "/proc/cpuinfo"

collectFile "Memory usage" "/proc/meminfo"

collectFile "Swap partition information" "/proc/swaps"

collectFile "Slab information" "/proc/slabinfo"

collectFile "Lock information" "/proc/locks"

collectFile "Module information" "/proc/modules"

collectFile "Version information" "/proc/version"

collectFile "System status information" "/proc/stat"

collectFile "PCI information" "/proc/pci"

#Version information

runCommand "Package information" "/bin/rpm -qa"

#Misc

collectFile "Main syslog file" "/var/log/messages"

collectFile "Syslog configuration file" "/etc/syslog.conf"

}

function doThoroughCollect

{

echo >> $invlog

echo "################################################################################"

>> $invlog

echo "## Thorough Collect ##" >> $invlog

echo "################################################################################"

>> $invlog

runCommand "Virtual memory statistics" "/usr/bin/vmstat 2 5"

runCommand "I/O statistics" "/usr/bin/iostat 2 5"

runCommand "Extended I/O statistics" "/usr/bin/iostat -x 2 5"417

runCommand "CPU statistics" "/usr/bin/mpstat -P ALL 2 5"

runCommand "System activity" "/usr/bin/sar -A 2 5"

}

function doPerfCollect

{

echo >> $invlog

echo "################################################################################"

>> $invlog

echo "## Performance Collect ##" >> $invlog

echo "################################################################################"

>> $invlog

# Add specific commands here

}

function doHangCollect

{

echo >> $invlog

echo "################################################################################"

>> $invlog

echo "## Hang Collect ##" >> $invlog

echo "################################################################################"

>> $invlog

# NOTE: $pid contains the process ID of the process that is hanging

## check whether the process actually exists

kill -0 $pid 2>/dev/null 1>/dev/null

if [ ! $? -eq 0 ]

then

echo "Process ID \"$pid\" not found."

exit 3

# Add specific commands here

}

function doErrorCollect

{

echo >> $invlog

echo "################################################################################"

>> $invlog

echo "## Error Collect ##" >> $invlog

echo "################################################################################"

>> $invlog

# NOTE: $cmd contains the name of the command line that apparently produces an error

# Add specific commands here

}

function doTrapCollect

{

echo >> $invlog

echo "################################################################################"

>> $invlog

echo "## Trap Collect ##" >> $invlog

echo "################################################################################"

>> $invlog

# Add specific commands here

}

######################################MAIN SCRIPT BODY######################################

## Do the basics first, then anything else that might be needed

doQuickCollect

if [ $mode_thorough -eq 1 ]

then

echo "Collecting thorough information"

doThoroughCollect

if [ $mode_perf -eq 1 ]

then

echo "Collecting perf information"

doPerfCollect

if [ $mode_hang -eq 1 ]

then

echo "Collecting hang information" doHangCollect

if [ $mode_trap -eq 1 ]

then

echo "Collecting trap information"

doTrapCollect

if [ $mode_error -eq 1 ]

then

echo "Collecting error information"

doErrorCollect

echo >> $invlog

echo "################################################################################"

>> $invlog

echo "##End of Data Collection (the rest is for userinvestigation)##" >> $invlog

echo "################################################################################"

>> $invlog

《Self Service Linux》数据收集脚本

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