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Faster and more accurate function to get service information

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Serghey Rodin 2014-12-09 23:48:41 +02:00
commit 59a02157f0
1 changed files with 44 additions and 35 deletions
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79
bin/v-list-sys-services
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@ -23,29 +23,41 @@ get_srv_state() {
proc_name=${2-$1}
# Check service status
status=$(service $srv status 2>/dev/null)
rc=$?
stopped=$(echo $status| grep stop)
state='running'
if [ "$rc" -eq 0 ] && [ -z "$stopped" ]; then
state='running'
# Searching related pids
if [ -z $3 ]; then
pids=$(pidof $proc_name |tr ' ' '|')
else
pids=$(pidof -x $proc_name |tr ' ' '|')
fi
if [ ! -z "$pids" ]; then
pid=$(echo $pids|cut -f 1 -d \|)
pids=$(egrep "$pids" $tmp_file)
# Calculate cpu and memory usage
cpu=0
mem=0
for pid in $(pidof $proc_name); do
pid_mem=$(pmap -x $pid | tail -n1 | awk '{print $3}')
pid_cpu=$(grep "^$pid " $tmp_file | cut -f 2 -d ' '|sed "s/^0//")
cpu=$((cpu + pid_cpu))
mem=$((mem + pid_mem))
done
mem=$((mem / 1024))
# Calculating CPU usage
cpu=$(echo "$pids" |awk '{ sum += $2} END {print sum}')
# Get pid date
if [ ! -z $pid ] && [ -e "/proc/$pid" ]; then
mtime=$(stat -c "%Y" /proc/$pid)
# Calculating memory usage
mem=$(echo "$pids" |awk '{sum += $3} END {print sum/1024 }')
mem=$(printf "%.0f\n" $mem)
# Searching service uptime
if [ -e "/var/run/$srv.pid" ]; then
srv_file="/var/run/$srv.pid"
fi
if [ -z "$srv_file" ] && [ -e "/var/run/$srv/$srv.pid" ]; then
srv_file="/var/run/$srv/$srv.pid"
fi
if [ -z $srv_file ] && [ -e "/proc/$pid" ]; then
srv_file="/proc/$pid"
fi
if [ ! -z "$srv_file" ]; then
mtime=$(stat -c "%Y" $srv_file)
rtime=$((ctime - mtime))
rtime=$((rtime / 60))
else
rtime=0
fi
else
# Service is stopped
@ -63,23 +75,11 @@ get_srv_state() {
# Save current proccess list
tmp_file=$(mktemp)
if [ "$format" = 'json' ]; then
ps aux | awk '{print $2" "$3}' | tr -d '.' > $tmp_file
else
ps aux | awk '{print $2" "$3}' | cut -f 1 -d '.' > $tmp_file
fi
ps -eo pid,pcpu,size > $tmp_file
# Get current time
ctime=$(date +%s)
# Proxy
service=$PROXY_SYSTEM
if [ ! -z "$service" ] && [ "$service" != 'remote' ]; then
get_srv_state $service
str="NAME='$service' SYSTEM='reverse proxy' STATE='$state' CPU='$cpu'"
str="$str MEM='$mem' RTIME='$rtime'"
fi
# Web
service=$WEB_SYSTEM
if [ ! -z "$service" ] && [ "$service" != 'remote' ]; then
@ -87,15 +87,24 @@ if [ ! -z "$service" ] && [ "$service" != 'remote' ]; then
service='httpd'
fi
get_srv_state $service
str="$str\nNAME='$service' SYSTEM='web server' STATE='$state' CPU='$cpu'"
str="NAME='$service' SYSTEM='web server' STATE='$state' CPU='$cpu'"
str="$str MEM='$mem' RTIME='$rtime'"
fi
# Proxy
service=$PROXY_SYSTEM
if [ ! -z "$service" ] && [ "$service" != 'remote' ]; then
get_srv_state $service
str="$str\nNAME='$service' SYSTEM='reverse proxy' STATE='$state' CPU='$cpu'"
str="$str MEM='$mem' RTIME='$rtime'"
fi
# DNS
service=$DNS_SYSTEM
if [ ! -z "$service" ] && [ "$service" != 'remote' ]; then
if [ "$service" == 'bind' ]; then
if [ "$service" == 'bind' ] || [ "$service" == 'bind9' ]; then
service='named'
fi
get_srv_state $service
@ -202,8 +211,8 @@ fi
# Fail2ban
service=$FIREWALL_EXTENSION
if [ ! -z "$service" ] && [ "$service" != 'remote' ]; then
get_srv_state $service
str="$str\nNAME='$service' SYSTEM='Brute force blocking' STATE='$state'"
get_srv_state $service fail2ban-server script
str="$str\nNAME='$service' SYSTEM='brute-force monitor' STATE='$state'"
str="$str CPU='$cpu' MEM='$mem' RTIME='$rtime'"
fi