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diff --git a/heartbeat/ocf-distro b/heartbeat/ocf-distro
index 9ccb6731a..e24b01695 100644
--- a/heartbeat/ocf-distro
+++ b/heartbeat/ocf-distro
@@ -1,213 +1,203 @@
#
# This is OCF Linux distribution query support
#
# Currently needed for the nfsserver RA which has some already
# released RH specific stuff (/etc/sysconfig/nfs editing)
#
# These functions are intended to be POSIX-compliant for portability.
#
# systemd-based systems should all have an os-release file.
_ETC_OS_RELEASE_FILE="/etc/os-release"
_USR_OS_RELEASE_FILE="/usr/lib/os-release"
# Legacy distro-specific files
_DEBIAN_VERSION_FILE="/etc/debian_version"
_REDHAT_RELEASE_FILE="/etc/redhat-release"
_SUSE_RELEASE_FILE="/etc/SuSE-release"
_DEBIAN_BASED_DISTROS_RE="debian|ubuntu"
_REDHAT_BASED_DISTROS_RE="red *hat|rhel|fedora|centos|scientific"
_SUSE_BASED_DISTROS_RE="sles|suse"
# Converts OS release ID to a standard form regardless of source.
_process_os_release_id() {
_os="$1"
# Convert to lowercase, isolate distro name, remove whitespace
_os=$(echo "$_os" \
| tr "[:upper:]" "[:lower:]" \
| sed -e "s|\(gnu/\)*linux||" -e "s/server//" \
-e "s/release.*//" -e "s/[[:digit:]].*//" \
-e "s/[[:blank:]]//")
# Normalize known distros to os-release names
case "$_os" in
*centos*)
_os="centos"
;;
*debian*)
_os="debian"
;;
*fedora*)
_os="fedora"
;;
*redhat*|*rhel*|*scientific*)
_os="rhel"
;;
*opensuse*)
_os="opensuse"
;;
*suseenterprise*)
_os="sles"
;;
*ubuntu*)
_os="ubuntu"
;;
esac
echo "$_os"
}
# Converts OS version ID to a form that ocf_version_cmp() can handle.
# Strips any garbage.
_process_os_version_id() {
_ver="$1"
+ _fmt="[[:digit:]][[:digit:].-]*[[:alnum:].\+-]*"
- # Discard everything except the version.
- # Use ocf_version_cmp() format if present, or bare integer
- # otherwise.
- # Append ".0" for integers so that ocf_version_cmp() doesn't
- # fail.
- _ver_cmp_fmt="[[:digit:]][[:digit:].-]*[[:digit:]]"
- _ver=$(echo "$_ver" \
- | sed -n -e "s/[^[:digit:]]*\(${_ver_cmp_fmt}\).*/\1/p" \
- -e "s/[^[:digit:]]*\([[:digit:]]*\).*/\1.0/p" \
- | head -n 1)
-
- echo "$_ver"
+ echo "$_ver" | sed -e "s/[^[:digit:]]*\(${_fmt}\).*/\1/"
}
# Gets OS release ID (i.e., distro) or version ID from os-release file.
# $_ETC_OS_RELEASE_FILE takes precedence over $_USR_OS_RELEASE_FILE.
_get_val_from_os_release_file() {
_key=""
_value=""
_func=""
case "$1" in
id)
_key="ID"
_func="_process_os_release_id"
;;
version_id)
_key="VERSION_ID"
_func="_process_os_version_id"
;;
esac
if [ -n "$_key" ]; then
if [ -f "$_ETC_OS_RELEASE_FILE" ]; then
_value=$(awk -F "=" -v k="$_key" '$1 == k {print $2}' \
"$_ETC_OS_RELEASE_FILE" | tr -d \")
fi
if [ -z "$_value" ] && [ -f "$_USR_OS_RELEASE_FILE" ]; then
_value=$(awk -F "=" -v k="$_key" '$1 == k {print $2}' \
"$_USR_OS_RELEASE_FILE" | tr -d \")
fi
fi
# Ensure the value is in the correct format
[ -n "$_func" ] && _value=$("$_func" "$_value")
echo "$_value"
}
# Gets OS release ID from lsb_release command or legacy *-release files
_get_os_from_legacy_source() {
_os=""
if which lsb_release >/dev/null 2>&1; then
_os=$(lsb_release -si)
elif [ -f "$_DEBIAN_VERSION_FILE" ]; then
_os="debian"
elif [ -f "$_REDHAT_RELEASE_FILE" ]; then
_os=$(head -n 1 "$_REDHAT_RELEASE_FILE")
elif [ -f "$_SUSE_RELEASE_FILE" ]; then
_os=$(head -n 1 "$_SUSE_RELEASE_FILE")
else
_os=$(uname -s)
fi
_process_os_release_id "$_os"
}
# Gets OS version from lsb_release command or legacy *-release files
_get_version_from_legacy_source() {
_ver=""
if which lsb_release >/dev/null 2>&1; then
_ver=$(lsb_release -sr)
elif [ -f "$_DEBIAN_VERSION_FILE" ]; then
_ver=$(cat "$_DEBIAN_VERSION_FILE")
elif [ -f "$_REDHAT_RELEASE_FILE" ]; then
_ver=$(head -1 "$_REDHAT_RELEASE_FILE")
elif [ -f "$_SUSE_RELEASE_FILE" ]; then
_ver=$(awk '$1 == "VERSION" {print $3}' "$_SUSE_RELEASE_FILE")
_patchlevel=$(awk '$1 == "PATCHLEVEL" {print $3}' \
"$_SUSE_RELEASE_FILE")
[ -n "$_patchlevel" ] && _ver="${_ver}.${_patchlevel}"
else
_ver=$(uname -r)
fi
_process_os_version_id "$_ver"
}
# Prints OS release ID (i.e., distro name)
get_release_id() {
_os=$(_get_val_from_os_release_file id)
if [ -z "$_os" ]; then
_os=$(_get_os_from_legacy_source)
fi
echo "$_os"
}
# Prints OS version ID
get_os_version_id() {
_ver=$(_get_val_from_os_release_file version_id)
if [ -z "$_ver" ] || [ "$(get_release_id)" = "debian" ]; then
# Debian only includes major release in os-release.
# $_DEBIAN_VERSION_FILE has ${major}.${minor}.
_ver=$(_get_version_from_legacy_source)
fi
echo "$_ver"
}
# Returns true if the OS is Debian-based, otherwise false
is_debian_based() {
get_release_id | grep -Eqi "$_DEBIAN_BASED_DISTROS_RE"
}
# Returns true if the OS is Red Hat-based, otherwise false
is_redhat_based() {
get_release_id | grep -Eqi "$_REDHAT_BASED_DISTROS_RE"
}
# Returns true if the OS is SUSE-based, otherwise false
is_suse_based() {
get_release_id | grep -Eqi "$_SUSE_BASED_DISTROS_RE"
}
# Sets global variables OS and VER.
# get_os_ver() is currently unused upstream; maintained for backwards
# compatibility.
get_os_ver() {
OS=$(get_release_id)
VER=$(get_os_version_id)
}

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