Changes between Initial Version and Version 1 of AptitudeUpdateScript

Timestamp:

Jun 9, 2015, 7:40:45 PM (3 years ago)

Author:

chris

Comment:

--

AptitudeUpdateScript

@@ +1 @@
+These two scripts are used to update the Debian packages on the servers and to record the updates in `/root/Changelog`.
+
+== a-up ==
+
+{{{
+#!/usr/bin/env bash
+
+# This script runs "aptitude full-upgrade" and updates the Changelog 
+
+# location of the logchange script, we assume it has been 
+# installed int he same directory as this script is in
+#DIR="/usr/local/bin"
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+LOGCHANGE="$DIR/logchange"
+
+# check that the script is being run by root
+if [[ "$(id -u)" != "0" ]] ; then
+  echo "You must run '$0' as root or via sudo" 
+  exit 1
+fi
+
+# check that the logchange script is installed
+if [[ ! -f "${LOGCHANGE}" ]] ; then
+  echo "You need to install the '${LOGCHANGE}' script before you can run $0"
+  exit 2
+fi
+
+# For Ubuntu Touch
+UBUNTU_TOUCH=$( uname -a | grep 'ubuntu-phablet' )
+if [[ "${UBUNTU_TOUCH}" ]]; then
+  echo "Ubuntu touch so skipping kernel update"
+  export FLASH_KERNEL_SKIP="true"
+fi
+
+# check that packages are installed and if not then install, this depends on the 
+# package name matching the binary in /usr/bin, this check is done first because 
+# it's faster 
+DEPENDENCIES="apt-show-versions aptitude"
+for d in ${DEPENDENCIES}; do
+  if [[ ! -f "/usr/bin/${d}" ]] ; then
+    DEP_CHECK=$(dpkg -s ${d} 2>&1 | grep "Status: install ok installed")
+    if [[ ! "${DEP_CHECK}" ]]; then
+       echo "Installing '${d}'"
+       apt-get install ${d}
+    fi
+  fi
+done
+
+# get updates
+apt-get -qq update
+# get a list of updates
+UPDATES=$(apt-show-versions -b -u | xargs)
+# if we have updates then install them and write the list of updates to the 
+# Changelog
+if [[ "${UPDATES}" ]]; then
+  echo "About to upgrade '${UPDATES}'"
+  ${LOGCHANGE} "${UPDATES} : updated"
+  aptitude full-upgrade
+  # Delete dowloaded packages to free up space
+  if [[ "${UBUNTU_TOUCH}" ]]; then
+    apt-get clean
+  else
+    aptitude autoclean
+    echo "If ownCloud has been updated run the following commands:"
+    echo "su - owncloud -s /bin/bash"
+    echo "php console.php upgrade"
+  fi
+  exit 0
+else
+  echo "No updates today"
+  exit 0
+fi
+}}}
+
+== logchange ==
+
+{{{
+#!/usr/bin/env bash
+
+# This is a script to update the /root/Changelog
+
+# File name of the Changelog
+CHANGELOG_NAME="Changelog"
+
+DATESTAMP="$(date +%Y-%m-%d)"
+TIMESTAMP="$(date +%Y-%m-%d-%H-%M-%S)"
+
+# check that the script is being run by root
+if [[ "$(id -u)" != "0" ]] ; then
+  echo "You must run $0 as root or via sudo" 
+  exit 2
+fi
+
+# check that $HOME is set
+if [[ ${HOME} ]]; then
+  CHANGELOG_DIR="${HOME}"
+  CHANGELOG="${CHANGELOG_DIR}/${CHANGELOG_NAME}"
+  BACKUP_DIR="${CHANGELOG_DIR}/.${CHANGELOG_NAME}"
+  CHANGELOG_BACKUP="${BACKUP_DIR}/${CHANGELOG_NAME}.${TIMESTAMP}"
+else
+  echo "You are homeless?"
+  exit 1
+fi
+
+# get a username and if we can't use root
+if [[ ${SUDO_USER} ]]; then
+  CHANGELOG_EDITOR="${SUDO_USER}"
+elif [[ ${USER} ]]; then
+  CHANGELOG_EDITOR="${USER}"
+else
+  CHANGELOG_EDITOR="root"
+fi
+
+# check for some changes on standard input
+if [[ $1 ]]; then
+  CHANGES="$1"
+elif [[ ! "$1" ]]; then
+  echo "Type the changes you would like recorded then [ENTER]:"
+  read changes
+  CHANGES=${changes}
+fi
+
+# create the backup directory if it doesn't exist 
+if [[ ! -d "${BACKUP_DIR}" ]] ; then
+  mkdir ${BACKUP_DIR}
+fi
+
+# backup the CHANGELOG if it exists
+if [[ -f "${CHANGELOG}" ]] ; then
+  cp -a ${CHANGELOG} ${CHANGELOG_BACKUP}
+fi
+
+# write the date and user to the CHANGELOG 
+echo -e "${DATESTAMP}\t${CHANGELOG_EDITOR}" > ${CHANGELOG}
+
+# write what we have done, taken from standard in
+echo -e "\t*\t${CHANGES}" >> ${CHANGELOG}
+
+# write a blank line 
+echo >> ${CHANGELOG}
+
+# write the backup back to the $CHANGELOG
+if [[ -f "${CHANGELOG_BACKUP}" ]] ; then
+  cat ${CHANGELOG_BACKUP} >> ${CHANGELOG}
+fi
+
+# gz the backup if it exists
+if [[ -f "${CHANGELOG_BACKUP}" ]] ; then
+  gzip ${CHANGELOG_BACKUP}
+fi
+
+exit 0
+}}}