66 lines
2.2 KiB
Bash
Executable file
66 lines
2.2 KiB
Bash
Executable file
#!/bin/sh -e
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#
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# based on previous work by other people, modified by:
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# 2020 Dennis Camera <dennis.camera at ssrq-sds-fds.ch>
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#
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# This file is part of cdist.
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#
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# cdist is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# cdist is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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# Finds disks of the system (excl. ram disks, floppy, cdrom)
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uname_s="$(uname -s)"
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case $uname_s in
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FreeBSD)
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sysctl -n kern.disks
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;;
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OpenBSD)
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sysctl -n hw.disknames | grep -Eo '[lsw]d[0-9]+'
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;;
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NetBSD)
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PATH=$(getconf PATH)
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sysctl -n hw.disknames | awk -v RS=' ' '/^[lsw]d[0-9]+/'
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;;
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Linux)
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# list of major device numbers toexclude:
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# ram disks, floppies, cdroms
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# https://www.kernel.org/doc/Documentation/admin-guide/devices.txt
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ign_majors='1 2 11'
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if command -v lsblk >/dev/null 2>&1
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then
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lsblk -e "$(echo "$ign_majors" | tr ' ' ',')" -dno name
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elif test -d /sys/block/
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then
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# shellcheck disable=SC2012
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ls -1 /sys/block/ \
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| awk -v ign_majors="$(echo "$ign_majors" | tr ' ' '|')" '
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{
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devfile = "/sys/block/" $0 "/dev"
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getline devno < devfile
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close(devfile)
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if (devno !~ "^(" ign_majors "):") print
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}'
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else
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echo "Don't know how to list disks on Linux without lsblk and sysfs." >&2
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echo 'If you can, please submit a patch.'>&2
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fi
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;;
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*)
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printf "Don't know how to list disks for %s operating system.\n" "${uname_s}" >&2
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printf 'If you can please submit a patch\n' >&2
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;;
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esac \
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| xargs
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