66 lines
1.9 KiB
Bash
Executable File
66 lines
1.9 KiB
Bash
Executable File
#!/bin/sh
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#
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# 2012 Steven Armstrong (steven-cdist at armstrong.cc)
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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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disk="/$__object_id"
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disk_name="${disk##*/}"
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cat << DONE
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# stop lvm's if any
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if find /sys/class/block/$disk_name*/holders/ -mindepth 1 | grep -q holders/dm; then
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if command -v vgchange >/dev/null; then
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vgchange -a n
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else
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echo "WARNING: vgchange command not found" >&2
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fi
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fi
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# stop mdadm raids if any
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if [ -r /proc/mdstat ]; then
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md_name="\$(awk "/$disk_name/ {print \$1}" /proc/mdstat)"
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if [ -n "\$md_name" ]; then
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if command -v mdadm >/dev/null; then
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mdadm --stop "/dev/\$md_name"
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else
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echo "WARNING: mdadm command not found" >&2
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echo "WARNING: could not stop active mdadm raid for disk $disk" >&2
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fi
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fi
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fi
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if command -v pvremove >/dev/null; then
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pvremove --force --force --yes "$disk" || true
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else
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echo "WARNING: pvremove command not found" >&2
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fi
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if command -v mdadm >/dev/null; then
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mdadm --zero-superblock --force "$disk" || true
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else
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echo "WARNING: mdadm command not found" >&2
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fi
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# clean disks from any legacy signatures
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if command -v wipefs >/dev/null; then
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wipefs -a "$disk" || true
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fi
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# erase partition table
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dd if=/dev/zero of=$disk bs=512 count=1
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printf 'w\n' | fdisk -u -c $disk || true
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DONE
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