BigFix auto installer for GNU/Linux (Ubuntu OS), written in Bash.

mixer.sh

#!/usr/bin/env bash

set -e

# Set  'Computer Name' to serial number.
# Download, unzip, install, and cleanup BigFix GNU/Linux.
#
# Author: M. Krinitz <mjk235 [at] nyu [dot] edu>
# Date: 2023-11-08
# License: MIT

#########
# Globals
#########

# URL.

URL=""

# Zip file.

FILE="fixer.zip"

# Name of currently logged in user.

USER=$(logname)

# Components of .zip package.

BIGFIX_COMPONENT=(
actionsite.afxm
BESAgent-11.0.0.175-ubuntu18.amd64.deb
)

########
# Fixer.
########

# Is current UID 0? If not, exit.

root_check() {

  if [ "$EUID" -ne "0" ] ; then
	  
    printf "%s\n" "Error: root privileges are required to continue." "Try: sudo bash fixer.sh" >&2
    exit 1
fi
}

# Get serial number.

get_serial_number() {

  serialnum=$(dmidecode -s system-serial-number)
}

# Get computer name.

get_computer_name() {

  computername=$(hostname)
}

# Set computer name to serial number.

set_computer_name() {

  if [ "$serialnum" != "$computername" ]; then

    printf "%s\n" "Setting 'Computer Name'..."

    hostnamectl set-hostname "$serialnum"

  fi
}

# Create directory: BESClient.

make_directory() {
 
  printf "%s\n" "Creating BESClient directory..."

  mkdir -pv /etc/opt/BESClient
}

# Download BigFix client .zip to the client.

retrieve_zip() {

  printf "%s\n" "Retrieving .zip file..."

  wget --progress=bar --tries=3 --wait=5 --continue "$URL/$FILE" --output-document=/home/"$USER/$FILE"
}

# Unzip BigFix client .zip file..."

unzip_zip() {

  printf "%s\n" "Unpacking .zip file..."
 		
  unzip /home/"$USER/$FILE" -d /home/"$USER"
}

# Install the .deb package.

install_deb() {

  printf "%s\n" "Installing BigFix .deb..."

  dpkg --install /home/"$USER"/"${BIGFIX_COMPONENT[1]}"
}

# Copy actionsite masthead to: /etc/opt/BESClient.

copy_masthead() {

  printf "%s\n" "Copying masthead to: /etc/opt/BESClient..."

  cp -rv /home/"$USER"/"${BIGFIX_COMPONENT[0]}" /etc/opt/BESClient
}

# Create besclient.config file and insert 'Federated Tags' in to the same.

insert_tags() {

  printf "%s\n" "Inserting federated tags..."

  cat > /var/opt/BESClient/besclient.config << EOF
[Software\BigFix\EnterpriseClient]
EnterpriseClientFolder = /opt/BESClient

[Software\BigFix\EnterpriseClient\GlobalOptions]
StoragePath = /var/opt/BESClient
LibPath = /opt/BESClient/BESLib

[Software\BigFix\EnterpriseClient\Settings\Client\FederatedTag]
value                          = PsychCNS

[Software\BigFix\EnterpriseClient\Settings\Client\_BESClient_Download_NormalStageDiskLimitMB]
value                          = 10240

EOF
}

# Start the BigFix client.

start_bigfix() { 

 printf "%s\n" "Starting BigFix..."

 /etc/init.d/besclient start
}

# Main.

main() {

  root_check
  get_serial_number
  get_computer_name
  #set_computer_name
  make_directory
  retrieve_zip
  unzip_zip
  install_deb
  copy_masthead
  insert_tags
  start_bigfix
}

main "$@"