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--- linux_wiki:os_install_post_install [2017/09/12 22:55]
billdozor [Post Install Script]
+++ linux_wiki:os_install_post_install [2017/09/12 23:07]
billdozor [Post Install Script]
@@ Line 309: / Line 309: @@
   * This script does all the heavy lifting (system updates, configuration, etc).
-Post install script: Provide logging and error checking
+===== Post Install Script: Parent =====
+**Post install script**: Provide logging and error checking
 <code bash postinstall.sh>
+#!/bin/bash
+# Title: postinstall.sh
+# Description: Wrapper script to start the postinstall_worker.sh script with logging.
+# Last Updated: 2016-10-24
+# Most Recent Changes:-Initial release
+#######################################################################################
+function print_usage
+{
+echo
+echo " Usage: postinstall.sh [-y]"
+echo
+echo "   This script(${0}), provides logging for its worker script, worker_postinstall.sh"
+echo
+echo "   Recommended action"
+echo "   1) Mount: mount -t nfs nfs-server:/admin /mnt"
+echo "   2) Execute parent script: /mnt/deploy/postinstall.sh [-y]"
+echo "      -y  => Yes, execute script without prompting."
+echo
+exit 1
+}
+#=====================================
+# Get Script Arguments
+#=====================================
+# Reset POSIX variable in case it has been used previously in this shell
+OPTIND=1
+# By default, do not force run script. Prompt for running or not.
+force_run_script="no"
+while getopts "hy" opt; do
+  case "${opt}" in
+    h) # -h (help) argument
+      print_usage
+      exit 0
+    ;;
+    y) # -y (yes to running script) argument
+      force_run_script="yes"
+    ;;
+    *) # invalid argument
+      print_usage
+      exit 0
+    ;;
+  esac
+done
+##====================
+## Pre-req checks
+##====================
+## Ensure we are root ##
+if [[ $(id --user) -ne 0 ]]; then
+  echo ">>Error; this script must be run as root. Exiting..."
+  exit 1
+fi
+##======================
+## Set Script Variables
+##======================
+# Set base path from executed command (relative or full path works)
+base_path="$(echo ${0} | sed 's/postinstall.sh//')"
+# Set log file and script locations
+postinstall_log="/root/postinstall.log"
+postinstall_worker="worker_postinstall.sh"
+##================
+## Setup Logging
+##================
+echo -e ">>Logging output and errors to: ${postinstall_log}\n"
+# Clear log and timestamp the beginning
+cat /dev/null > ${postinstall_log}
+echo -e "---- Log Started: $(date) ----\n" >> ${postinstall_log}
+##=========================
+## Execute External Scripts
+##=========================
+# Start script, pass base path argument
+if [[ ${force_run_script} == "no" ]]; then
+  ${base_path}${postinstall_worker} -d ${base_path} 2>&1 | tee -a ${postinstall_log}
+elif [[ ${force_run_script} == "yes" ]]; then
+  ${base_path}${postinstall_worker} -d ${base_path} -y 2>&1 | tee -a ${postinstall_log}
+else
+  echo -e ">>Error: Unknown value for force_run_script (${force_run_script}). Exiting..."
+  exit 1
+fi
+##==========================
+## Close Logs, Show Location
+##==========================
+# Ending timestamp
+echo -e "\n---- Log Completed: $(date) ----" >> ${postinstall_log}
+# Reminder of where the log file is at
+echo -e "\n>>Logged output and errors were sent to: ${postinstall_log}\n"
+echo -e "----> Remember to umount NFS before rebooting <----"
 </code>
-Post install worker: Perform the actual installations/config work
+===== Post Install Script: Worker =====
+**Post install worker**: Perform the actual installations/config work
 <code bash worker_postinstall.sh>
 </code>