在下面的脚本中,我得到一个错误:
语法错误: 文件意外结束
这个错误是什么,我怎样才能解除它? 它指向的行,当函数被调用。
#!/bin/sh
expected_diskusage="264"
expected_dbconn="25"
expected_httpdconn="20"
expected_cpuusage="95"
#expected_fd="100"
httpdconn=`ps -ef|grep -i httpd|grep -v grep|wc -l` #httpd connections
cpu_usage=`ps aux|awk 'NR > 0 { s +=$3 }; END {print s}'`
disk_usage=`df -h|awk {'print $2'}|head -n3|awk 'NF{s=$0}END{print s}'`
#db_connections=`mysql -uroot -pexxxxxx -s -N -e "show processlist"|wc -l`
db_connections=6
cld_alert()
{
nwconn=$1
cpu_usage=$2
disk_usage=$3
db_connections=$4
message=$5
`touch /tmp/alert.txt && > /tmp/alert.txt`
date=`date`
echo -e "$date\n" > /tmp/alert.txt
echo -e "$message" >> /tmp/alert.txt
path="/proc/$httpd/fd/";
cd $path
tfd=`ls -l|wc -l`;
sfd=`ls -ltr|grep sock|wc -l`;
echo "Total fds: $tfd" >> /tmp/alert.txt
echo "Socket fds: $sfd" >> /tmp/alert.txt
echo "Other fds: $[$tfd - $sfd]" >> /tmp/alert.txt
freememory=`vmstat | awk '{if (NR == 3) print "Free Memory:"\$4}'`;
echo "Free memory :$freememory" >> /tmp/alert.txt
Bufferedmemory=`vmstat | awk '{if (NR == 3) print "Buffered Memory:"\$5}'`;
echo "Buffered memory $Bufferedmemory" >> /tmp/alert.txt
CacheMemory=`vmstat | awk '{if (NR == 3) print "Cache Memory:"\$6}'`;
echo "Cache memory : $CacheMemory" >> /tmp/alert.txt
sshconn=`netstat -an|grep 22|wc -l` #ssh connections
httpsconn=`netstat -an|grep 443|wc -l` #https connections
wwwconn=`netstat -an|grep 80|wc -l` #www connections
echo "Disk usage is $disk_usage" >> /tmp/alert.txt
echo "DB connections $db_connections" >> /tmp/alert.txt
echo "Network connections $nwconn" >> /tmp/alert.txt
echo "CPU Usage: $cpu_usage" >> /tmp/alert.txt
topsnapshot=`top -n 1 -b`
echo "===========================TOP COMMAND SNAPSHOT====================================================";
echo "$topsnapshot" >> /tmp/alert.txt
echo"==================PS COMMAND SNAPSHOT=============================================================="
entireprocesslist=`ps -ef`
echo "$entireprocesslist" >> /tmp/alert.txt
echo Hello hi"";
}
message=""
if [ ${disk_usage%?} -le $expected_diskusage ] ##{x%?} Removes last character
then
echo "disk usage exceeded";
message="Disk usage limit exceeded \nCurrent disk usage is $disk_usage\nConfigured disk usage is $expected_diskusage\n\n\n\n\n";
#Checking for CPU usage
if [ $cpu_usage -ge $expected_cpuusage] ##{x%?}
then
echo "CPU usage exceeded";
if [ $message -ne "" ]
then
message="$message\n\nCPU usage exceeded configured usage limit \nCurrent CPU usage is $cpu_usage\nConfigured CPU usage is $expected_cpuusage\n\n\n\n\n";
else
message="CPU usage exceeded configured usage limit \nCurrent CPU usage is $cpu_usage\nConfigured CPU usage is $expected_cpuusage\n\n\n\n\n";
fi ;
fi
#Checking for httpd connections
if [ $httpdconn -ge $expected_httpdconn] ##{x%?}
then
echo "HTTPD connections exceeded";
if [ $message -ne "" ]
then
message="$message\n\nHTTPD connections exceeded configured usage limit \nCurrent HTTPD connections is $httpdconn\nConfigured HTTPD connection is $expected_httpdconn";
else
message="HTTPD connections exceeded configured usage limit \nCurrent HTTPD connections is $httpdconn\nConfigured HTTPD connection is $expected_httpdconn";
fi ;
fi ;
message="$message\n\n\n\n\n";
value=$(cld_alert $message $httpdconn $cpu_usage $disk_usage $db_connections)