rytoj/sysinfo

## sysinfo
#!/bin/bash
# Program to output a system information page

TITLE="System Information Report for $HOSTNAME"
TIME=$(date +%F:%T)
TIMESTAMP="Generated $TIME, by $USER uid: $(id -u)"
TOTALSPACE=$(df -h)
SELIUX_STATE=$(sestatus | head -1 ; sestatus | grep --color=auto "Current mode";)
LARGEST_FILES=$(du -a /home 2>/dev/null | sort -n -r | head -n 10)
type systemd 2>/dev/null && SERVICES=$(systemctl -t service) || SERVICES=$(chkconfig --list) #for cebos6.8
OLD_IFS=$IFS #old IFS bakcup

usage() {
  echo "usage: $(basename $0) [OPTION]... [FILE]"
  echo "-o, --output [file]   generate html file"
  return
}


# #Checks if root
# if [ $(id -u) -eq 0 ]; then
#   echo "You are root">&2
# else
#   echo "You are user with uid: $(id -u)">&2
# fi


report_uptime() {
  # func prints system uptime
  echo "<H3> System Uptime</H3>
  <PRE>$(uptime)</PRE>"
  return
}
report_selinux() {
  # func selinux state
  echo "<H3> SeLinux info</H3>
  <PRE>$SELIUX_STATE</PRE>"
  return
}
report_services() {
  # list services
  echo "<H3> Services info:</H3>
  <PRE>$SERVICES</PRE>"
  return
}

report_freespace(){
  # func print disk usage
  echo "<H3>Disk Usage</H3>
<PRE>
$TOTALSPACE
</PRE>"
  return
}

report_largests_files(){
  # func print disk usage
  echo "<H3>10 Largest's files</H3>
<PRE>
$LARGEST_FILES
</PRE>"
  return
}


user_info(){
  # func prints user information prom /etc/passw
  passw_info=$(grep $(whoami) /etc/passwd)
  if [ -n $passw_info ]; then
    IFS=:
    read user pw uid gid name home shell <<< "$passw_info"
cat << _EOF_
<H3>User Info</H3>
<PRE>
<b>User</b>= $user
<b>UID</b>= $uid
<b>Home</b>= $home
<b>Shell</b>= $shell
</PRE>
_EOF_
  else
      echo "No such user">&2
      exit 1
  fi
  reset_IFS
}

reset_IFS(){
  IFS=$OLD_IFS
}
generate_main_html(){
  # func prints main html page
  cat << _EOF_
  <HTML>
  <HEAD>
  <TITLE>$TITLE</TITLE>
  </HEAD>
  <BODY>
  <H1>$TITLE</H1>
  $(user_info)
  $(report_services)
  $(report_selinux)
  $(report_freespace)
  $(report_largests_files)
  $(report_uptime)
  <P><i>$TIMESTAMP</i></P>
  </BODY>
  </HTML>
_EOF_
}


if [ -n $1 ]; then
  case $1 in
    -h|--help)
      usage
      ;;
    -o|--output)
      if [ -e $2 ]; then # If file exists
        echo "file: $2 already exists"
        exit 1
      fi
      generate_main_html > $2
      if [ $? -ne 0 ]; then
          echo "Error, something went wrong">&2
          exit 1
        else
          echo "$2 succesfully generated"
      fi
      ;;
    pattern )
      ;;
    pattern )
      ;;
    *)
      echo "Invalid parameter">&2
      usage>&2
      exit 1
      ;;
  esac
fi
	#!/bin/bash
	# Program to output a system information page

	TITLE="System Information Report for $HOSTNAME"
	TIME=$(date +%F:%T)
	TIMESTAMP="Generated $TIME, by $USER uid: $(id -u)"
	TOTALSPACE=$(df -h)
	SELIUX_STATE=$(sestatus \| head -1 ; sestatus \| grep --color=auto "Current mode";)
	LARGEST_FILES=$(du -a /home 2>/dev/null \| sort -n -r \| head -n 10)
	type systemd 2>/dev/null && SERVICES=$(systemctl -t service) \|\| SERVICES=$(chkconfig --list) #for cebos6.8
	OLD_IFS=$IFS #old IFS bakcup

	usage() {
	echo "usage: $(basename $0) [OPTION]... [FILE]"
	echo "-o, --output [file] generate html file"
	return
	}


	# #Checks if root
	# if [ $(id -u) -eq 0 ]; then
	# echo "You are root">&2
	# else
	# echo "You are user with uid: $(id -u)">&2
	# fi


	report_uptime() {
	# func prints system uptime
	echo "<H3> System Uptime</H3>
	<PRE>$(uptime)</PRE>"
	return
	}
	report_selinux() {
	# func selinux state
	echo "<H3> SeLinux info</H3>
	<PRE>$SELIUX_STATE</PRE>"
	return
	}
	report_services() {
	# list services
	echo "<H3> Services info:</H3>
	<PRE>$SERVICES</PRE>"
	return
	}

	report_freespace(){
	# func print disk usage
	echo "<H3>Disk Usage</H3>
	<PRE>
	$TOTALSPACE
	</PRE>"
	return
	}

	report_largests_files(){
	# func print disk usage
	echo "<H3>10 Largest's files</H3>
	<PRE>
	$LARGEST_FILES
	</PRE>"
	return
	}


	user_info(){
	# func prints user information prom /etc/passw
	passw_info=$(grep $(whoami) /etc/passwd)
	if [ -n $passw_info ]; then
	IFS=:
	read user pw uid gid name home shell <<< "$passw_info"
	cat << _EOF_
	<H3>User Info</H3>
	<PRE>
	<b>User</b>= $user
	<b>UID</b>= $uid
	<b>Home</b>= $home
	<b>Shell</b>= $shell
	</PRE>
	_EOF_
	else
	echo "No such user">&2
	exit 1
	fi
	reset_IFS
	}

	reset_IFS(){
	IFS=$OLD_IFS
	}
	generate_main_html(){
	# func prints main html page
	cat << _EOF_
	<HTML>
	<HEAD>
	<TITLE>$TITLE</TITLE>
	</HEAD>
	<BODY>
	<H1>$TITLE</H1>
	$(user_info)
	$(report_services)
	$(report_selinux)
	$(report_freespace)
	$(report_largests_files)
	$(report_uptime)
	<P><i>$TIMESTAMP</i></P>
	</BODY>
	</HTML>
	_EOF_
	}


	if [ -n $1 ]; then
	case $1 in
	-h\|--help)
	usage
	;;
	-o\|--output)
	if [ -e $2 ]; then # If file exists
	echo "file: $2 already exists"
	exit 1
	fi
	generate_main_html > $2
	if [ $? -ne 0 ]; then
	echo "Error, something went wrong">&2
	exit 1
	else
	echo "$2 succesfully generated"
	fi
	;;
	pattern )
	;;
	pattern )
	;;
	*)
	echo "Invalid parameter">&2
	usage>&2
	exit 1
	;;
	esac
	fi