Shulou(Shulou.com)06/03 Report--

The purpose is to query the formatted output such as the name of the process, cup memory utilization, startup time, online status, etc.

The result of the script implementation:

[root@zabbix ~] # sh / app/shell/app_status.sh

ProcessName-GroupName-Status-PID----CPU----MEMORY----StarTime

Nginx WEB STOPED NULL NULL NULL NULL

Httpd WEB STOPED NULL NULL NULL NULL

Mysql DB RUNNING 3019 0.2 24.1 Wed Sep 11 12:02:21 2019

Oracle DB STOPED NULL NULL NULL NULL

[root@zabbix ~] # sh / app/shell/app_status.sh nginx

ProcessName-GroupName-Status-PID----CPU----MEMORY----StarTime

Nginx WEB RUNNING 4262 0.0 0.1 Wed Sep 11 12:18:19 2019

Nginx WEB RUNNING 4263 0.0 0.1 Wed Sep 11 12:18:19 2019

The configuration file storage path used by the script: / app/shell/process.cfg

The content of process.cfg

[GROUP_LIST]

WEB

DB

HADOOP

YUM

[WEB]

Nginx

Httpd

[DB]

Mysql

Oracle

Postgresql

[HADOOP]

Datanode

Namenode

Journalnode

[YUM]

Resourcemanager

Nodemanager

Content of the script:

#! / bin/bash

#

# Func:Get Porcess Status IN process.cfg

# Define Variables

HOME_DIR= "/ app/shell/"

CONFIG_FILE= "process.cfg"

This_pid=$$

#

# get_all_goup: get the members of the group

# this function does not need to enter parameters and returns all the group information in the configuration file process.cfg, such as WEB, DB, etc.

#

Function get_all_group

{

G_LIST=sed-n "/\ [GROUP_LIST\] /, /\ [. *\] / p" ${HOME_DIR} / ${CONFIG_FILE} | egrep-v "(^ $|\ [. *\])"

Echo "${G_LIST}"

}

# get_all_process

# this function does not need to enter any parameters and returns all process information in the configuration file process.cfg

#

Function get_all_process

{

For g in get_all_group

Do

P_LIST=sed-n "/\ [${g}\] /, /\ [. *\] / p" ${HOME_DIR} / ${CONFIG_FILE} | egrep-v "(^ $|\ [. *\])"

Echo "${P_LIST}"

Done

}

# get_process_pid_by_name

# this function takes a parameter, which is the process name, and returns a list of process PID, which may be one or more

#

Function get_process_pid_by_name

{

If [$#-ne 1]; then

Return 1

Else

Pids=ps-ef | grep $1 | egrep-v grep | grep-v $0 | awk'{print $2}'

Echo ${pids}

Fi

}

# get_process_info_by_pid

# this function receives a parameter. The PID; return value of the parameter process is a list of running information of a process, which contains CPU occupancy memory

#

Function get_process_info_by_pid

{

If [ps-ef | awk-v pid=$1'$2==pid {print}'| wc-l-eq 1]; then

Pro_status= "RUNNING"

Else

Pro_status= "STOPED"

Fi

Pro_cpu=ps aux | awk-v pid=$1'$2==pid {print $3}'

Pro_mem=ps aux | awk-v pid=$1'$2==pid {print $4}'

Pro_start_time=ps-p $1-o lstart | grep-v STARTED

# echo "${pro_status} ${pro_cpu} ${pro_mem}" ${pro_start_time} ""

}

# is_group_in_config

# this function takes a parameter, which is the name of the group; 0 or 1 is returned to indicate that the group is in the configuration file, and 1 means that the group is not in

#

Function is_group_in_config

{

For gn in get_all_group;do

If ["${gn}" = = "$1"]; then

Return

Fi

Done

Echo "Group $1 is not in process.cfg"

Return 1

}

# is_process_in_config

# this function receives a parameter, which is the group name, and the return value is a list of all process names in the corresponding group

#

Function is_process_in_config

{

For pn in get_all_process;do

If [$pn = = $1]; then

Return

Fi

Done

}

# get_all_process_by_group

# this function takes a parameter that lists all the process names in the group as the name of the group is passed to the 0 returned by is_group_in_config

#

Function get_all_process_by_group

{

Is_group_in_config $1

If [$?-eq 0]; then

P_list=sed-n "/\ [$1\] /, /\ [. *\] / p" ${HOME_DIR} / ${CONFIG_FILE} | egrep-v "(^ $| ^ # |\ [. *\])"

Echo ${p_list}

Else

Echo "GroupName $1 is not in process.cfg"

Fi

}

# get_group_by_process_name

# this function takes a parameter, the parameter name is the process name; call get_all_group to get the group, get_all_process_by_group ${gn}; determine whether it is in this group; if so, go to the group name

#

Function get_group_by_process_name

{

For gn in get_all_group;do

For pn in get_all_process_by_group ${gn}; do

If [$pn = = $1]; then

Echo "${gn}"

Fi

Done

Done

}

# format_print

# this function takes a parameter; the parameter is the process name, which displays the process's ProcessName- "," GroupName- "," Status- "," PID---- "," CPU---- "," MEMORY---- "," StarTime--- "

#

Function format_print

{

Ps-ef | grep $1 | grep-v grep | grep-v $this_pid & > / dev/null

If [$?-eq 0]; then

Pids=get_process_pid_by_name $1

For pid in $pids;do

Get_process_info_by_pid $pid

Awk-v name=$1\

-v g_name=$2\

-v status=$pro_status\

-v pid=$pid\

-v cpu=$pro_cpu\

-v mem=$pro_mem\

-v start_time= "${pro_start_time}"\

'BEGIN {printf "%-20s%-16s%-11s%-7s%-7s%-10s%-20s\ n", name,g_name,status,pid,cpu,mem,start_time}'

Done

Else

Awk-v name=$1-v g_name=$2 'BEGIN {printf "%-20s%-16s%-11s%-7s%-7s%-10s%-20s\ n", name,name, "STOPED", "NULL", "NULL"}'

Fi

}

# #

# #

If [!-e ${HOME_DIR} / ${CONFIG_FILE}]; then

Echo "${CONFIG_FILE} is not exist..please check.."

Exit 1

Fi

# #

# #

Awk 'BEGIN {printf "%-20s%-16s%-10s%-6s%-7s%-10s%-20s\ n", "ProcessName-", "GroupName-", "Status-", "PID----", "CPU----", "MEMORY----", "StarTime---"}'

# #

# #

If [$#-gt 0]; then

If ["$1" = = "- g"]; then

Shift

For gn in $@; do

Is_group_in_config ${gn} | | continue

For pn in get_all_process_by_group $gn;do

Is_process_in_config $pn & & format_print $pn $gn

Done

Done

Else

For pn in $@; do

Gn=get_group_by_process_name $pn

Is_process_in_config $pn & & format_print $pn $gn

Done

Fi

Else

For pn in get_all_process;do

Gn=get_group_by_process_name $pn

Is_process_in_config $pn & & format_print $pn $gn

Done

Fi

[root@zabbix ~] #

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