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xe-linux-distribution 8.86 KB
4cb9c27fc   Peter Hubberstey   Added files from ...
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  #! /bin/sh
  
  # Copyright (C) 2009  Citrix Systems Inc.
  #
  # This program is free software; you can redistribute it and/or
  # modify it under the terms of the GNU General Public License
  # as published by the Free Software Foundation; either version 2
  # of the License, or (at your option) any later version.
  #
  # This program is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  # GNU General Public License for more details.
  #
  # You should have received a copy of the GNU General Public License
  # along with this program; if not, write to the Free Software
  # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  
  # Script to write information about the current distribution to stdout or a file.
  # Information collected:
  #   - Distribution name
  #   - Distribution version (major and minor)
  #   - Kernel version (uname)
  
  LANG="C"
  export LANG
  
  
  write_to_output()
  {
      local distro="$1"
      local major="$2"
      local minor="$3"
      local name="$4"
      local uname=$(uname -r)
  
      if [ -n "${TEST_RESULT}" ] ; then
  	MAJOR=$major
  	MINOR=$minor
  	DISTRO=$distro
  	UNAME=$uname
  	return 0
      fi
  
      echo "os_distro=\"${distro}\""
      echo "os_majorver=\"${major}\""
      echo "os_minorver=\"${minor}\""
      echo "os_uname=\"${uname}\""
      echo "os_name=\"${name}\""
  
      return 0
  }
  
  identify_debian()
  {
      local debian_version="$1"
      local major
      local minor
  
      # 3.1
      # 4.0
      # Ignores testing and unstable which contain ".*/sid".
  
      if [ ! -f "${debian_version}" ] ; then
  	return 1
      fi
  
      eval $(awk -F. '/^[0-9]*\.[0-9]*/ \
                          { print "major="$1 ; print "minor="$2 ; exit 0 }' \
                     "${debian_version}")
      
      if [ -z "${major}" ] && [ -z "${minor}" ] && ! grep -q /sid "${debian_version}" ; then
  	return 1
      fi
  
      write_to_output "debian" "${major}" "${minor}" "Debian $(head -n 1 $debian_version)"
  
      return 0
  }
  
  identify_redhat()
  {
      redhat_release="$1"
      local distro
      local major
      local minor
      local beta
  
      # distro=rhel
      # Red Hat Enterprise Linux AS release 3 (Taroon Update 6)
      # Red Hat Enterprise Linux AS release 3 (Taroon Update 8)
      # Red Hat Enterprise Linux AS release 4 (Nahant)
      # Red Hat Enterprise Linux AS release 4 (Nahant Update 1)
      # Red Hat Enterprise Linux AS release 4 (Nahant Update 2)
      # Red Hat Enterprise Linux AS release 4 (Nahant Update 3)
      # Red Hat Enterprise Linux AS release 4 (Nahant Update 4)
      # Red Hat Enterprise Linux Server release 4.92 (Tikanga)
      # Red Hat Enterprise Linux Server release 5 (Tikanga)
      # Red Hat Enterprise Linux Server release 5.1 Beta (Tikanga)
      # Red Hat Enterprise Linux release 6.0 Beta (Santiago)
  
      # distro=xe-ddk
      # \@PRODUCT_BRAND\@ DDK release \@PRODUCT_VERSION\@-\@BUILD_NUMBER\@ (\@PRODUCT_NAME\@)
      # Rio DDK release 0.5.6-2991c (xenenterprise)
  
      # distro=xe-sdk
      # \@PRODUCT_BRAND\@ SDK release \@PRODUCT_VERSION\@-\@BUILD_NUMBER\@ (\@PRODUCT_NAME\@)
      # Rio SDK release 0.5.6-2991c (xenenterprise)
  
      # distro=fedora
      # Fedora Core release 3 (Heidelberg)
  
      # distro=centos
      # CentOS release 4.0 (Final)
      # CentOS release 5 (Final)
      # CentOS Linux release 7.0.1406 (Core)
  
      # distro=scientific
      # Scientific Linux release 6.5 (Carbon)
  
      # distro=oracle
      # Enterprise Linux Enterprise Linux Server release 5 (Carthage)
      # Enterprise Linux Enterprise Linux Server release 5.5 (Carthage)
      # Oracle Linux Server release 5.6
      
      if [ ! -f "${redhat_release}" ] ; then
  	return 1
      fi
  
      eval $(sed -n \
                 -e 's/^\(.*\) DDK release \(.*\)-\(.*\) (.*)$/distro=xe-ddk;major=\2;minor=\3/gp;' \
                 -e 's/^\(.*\) SDK release \(.*\)-\(.*\) (.*)$/distro=xe-sdk;major=\2;minor=\3/gp;' \
                 -e 's/^Red Hat Enterprise Linux.* release \([0-9]*\) (.* Update \(.*\))$/distro=rhel;major=\1;minor=\2/gp;'\
                 -e 's/^Red Hat Enterprise Linux.* release \([0-9]*\) (.*)$/distro=rhel;major=\1/gp;' \
                 -e 's/^Red Hat Enterprise Linux.* release \([0-9]*\)\.\([0-9]*\) \([Bb]eta \)\?(.*)$/distro=rhel;major=\1;minor=\2;beta=\3;/gp;' \
                 -e 's/^Fedora.*release \([0-9]*\) (.*)$/distro=fedora;major=\1/gp;' \
                 -e 's/^CentOS release \([0-9]*\)\.\([0-9]*\) (.*)/distro=centos;major=\1;minor=\2/gp;' \
                 -e 's/^CentOS release \([0-9]*\) (.*)/distro=centos;major=\1/gp;' \
                 -e 's/^CentOS Linux release \([0-9]*\)\.\([0-9]*\)\(\.[0-9]*\)\? (.*)/distro=centos;major=\1;minor=\2/gp;' \
                 -e 's/^Enterprise Linux Enterprise Linux .* release \([0-9]*\)\.\([0-9]*\) (.*)$/distro=oracle;major=\1;minor=\2;/gp;' \
                 -e 's/^Enterprise Linux Enterprise Linux .* release \([0-9]*\) (.*)$/distro=oracle;major=\1/gp;' \
                 -e 's/^Oracle Linux Server release \([0-9]*\)\.\([0-9]*\)$/distro=oracle;major=\1;minor=\2/gp;' \
                 -e 's/^Scientific Linux SL release \([0-9]*\)\.\([0-9]*\) (.*)$/distro=scientific;major=\1;minor=\2;/gp;' \
                 -e 's/^Scientific Linux release \([0-9]*\)\.\([0-9]*\) (.*)$/distro=scientific;major=\1;minor=\2;/gp;' \
                           "${redhat_release}")
  
      if [ -z "${major}" -o -z "${distro}" ] ; then
          return 1
      fi
  
      if [ -z "${minor}" ] ; then
          minor=0
      fi
  
      # HACK to handle RHEL betas
      if [ "${distro}" == "rhel" ] && [ ${minor} -gt 90 ] ; then
      	major=$(expr ${major} + 1 )
  	minor=0
  	beta=Beta
      fi
  
      if [ -n "${beta}" ] ; then
  	minor="${minor}beta"
      fi
  
      write_to_output "${distro}" "${major}" "${minor}" "$(head -n 1 ${redhat_release})"
  
  }
  
  identify_sles()
  {
      suse_release="$1"
      local major
      local minor
      local _major
  
      # SUSE LINUX Enterprise Server 9 (i586)
      # VERSION = 9
      #
      # SUSE LINUX Enterprise Server 9 (i586)
      # VERSION = 9
      # PATCHLEVEL = 2
      #
      # SUSE LINUX Enterprise Server 9 (i586)
      # VERSION = 9
      # PATCHLEVEL = 3
      #
      # SUSE Linux Enterprise Server 10 (i586)
      # VERSION = 10
      #
      # SUSE Linux Enterprise Server 10 (i586)
      # VERSION = 10
      # PATCHLEVEL = 1
      #
      # SUSE Linux Enterprise Server 11 (i586)
      # VERSION = 11
      # PATCHLEVEL = 0
  
      if [ ! -f "${suse_release}" ] ; then
          return 1
      fi
  
      eval $(sed -n \
                 -e 's/^SUSE L\(inux\|INUX\) Enterprise \([a-zA-Z0-9_]*\) \([0-9]*\) (.*)/_major=\3;/gp;' \
                 -e 's/^VERSION = \([0-9]*\)$/major=\1;/gp;' \
                 -e 's/^PATCHLEVEL = \([0-9]*\)$/minor=\1;/gp;' \
                 "${suse_release}")
  
      if [ -z "${major}" -o -z "${_major}" ] ; then
          return 1
      fi
  
      if [ "${major}" != "${_major}" ] ; then
          return 1
      fi
  
      if [ -z "${minor}" ] ; then
          minor=0
      fi
  
      write_to_output "sles" "${major}" "${minor}" "$(head -n 1 ${suse_release})"
  
  }
  
  identify_lsb()
  {
      lsb_release="$1"
  
      if [ ! -x "${lsb_release}" ] ; then
  	saved_IFS=$IFS
  	IFS=:
  	for i in $PATH ; do
  	    if [ -x "${i}/${lsb_release}" ] ; then
  		lsb_release="${i}/${lsb_release}"
  		break
  	    fi
  	done
  	IFS=$saved_IFS
      fi
  
      if [ -x "${lsb_release}" ] ; then
          distro=$(${lsb_release} --short --id | tr 'A-Z' 'a-z')
          description=$(${lsb_release} --short --description | sed -e 's/^"\(.*\)"$/\1/g')
          release=$(${lsb_release} --short --release)
      else
          if [ -f /etc/lsb-release ] ; then
              source /etc/lsb-release
              distro="$DISTRIB_ID"
              description="$DISTRIB_DESCRIPTION"
              release="$DISTRIB_RELEASE"
          else
              return 1
          fi
      fi
  
      if [ -z "${distro}" -o -z "${release}" ] ; then
  	return 1
      fi
  
      eval $(echo $release | awk -F. -- '{ subindex = index($0,"."); \
                                           print "major=" $1 ; \
                                           print "minor=" substr($0,subindex+1) }')
  
      if [ -z "${major}" -o -z "${distro}" ] ; then
          return 1
      fi
  
      write_to_output "${distro}" "${major}" "${minor}" "${description}"
  }
  
  identify_boot2docker()
  {
      boot2docker_release="$1"
      local major
      local minor
  
      if [ ! -f "${boot2docker_release}" ] ; then
          return 1
      fi
  
      major=$(awk -F. '{printf("%s", $1)}' /etc/version)
      minor=$(awk -F. '{printf("%s.%s", $2, $3)}' /etc/version)
  
      write_to_output "boot2docker" "${major}" "${minor}" "boot2docker $(head -n 1 /etc/version)"
  
  }
  
  if [ $# -eq 1 ] ; then
      exec 1>"$1"
  fi
  
  if [ -z "${TEST}" ] ; then
      identify_redhat /etc/oracle-release && exit 0
      identify_redhat /etc/enterprise-release && exit 0
      identify_redhat /etc/centos-release && exit 0
      identify_redhat /etc/redhat-release && exit 0
      identify_sles   /etc/SuSE-release   && exit 0
      identify_lsb    lsb_release         && exit 0
      identify_debian /etc/debian_version && exit 0
      identify_boot2docker /etc/boot2docker && exit 0
  
      if [ $# -eq 1 ] ; then
  	rm -f "$1"
      fi
  
      exit 1
  fi