cdist/cdist/conf/explorer/cpu_cores

#!/bin/sh
#
# 2014 Daniel Heule  (hda at sfs.biz)
# 2014 Thomas Oettli (otho at sfs.biz)
#
# This file is part of cdist.
#
# cdist 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 3 of the License, or
# (at your option) any later version.
#
# cdist 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 cdist. If not, see <http://www.gnu.org/licenses/>.
#
#

# FIXME: other system types (not linux ...)

os=$("$__explorer/os")
case "$os" in
    "macosx")
        sysctl -n hw.physicalcpu
    ;;

    "openbsd")
        sysctl -n hw.ncpuonline
    ;;

    "freebsd"|"netbsd")
        PATH=$(getconf PATH)
        sysctl -n hw.ncpu
    ;;

    *)
        if [ -r /proc/cpuinfo ]; then
            cores="$(grep "core id" /proc/cpuinfo | sort | uniq | wc -l)"
            if [ "${cores}" -eq 0 ]; then
                cores="1"
            fi
            echo "$cores"
        fi
    ;;
esac