forked from ungleich-public/cdist
85 lines
2.2 KiB
Bash
Executable File
85 lines
2.2 KiB
Bash
Executable File
#!/bin/sh
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#
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# 2012-2013 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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owner="$(cat "$__object/parameter/owner" 2>/dev/null || echo "$__object_id")"
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if [ -f "$__object/parameter/file" ]; then
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file="$(cat "$__object/parameter/file")"
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else
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home="$(cut -d':' -f 6 "$__object/explorer/passwd")"
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file="$home/.ssh/authorized_keys"
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fi
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entry="$__object/files/entry"
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if [ ! -s "$__object/explorer/entry" ]; then
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state_is='absent'
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else
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state_is=$(diff -q "$entry" "$__object/explorer/entry" >/dev/null \
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&& echo present \
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|| echo changed
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)
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fi
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state_should="$(cat "$__object/parameter/state" 2>/dev/null || echo present)"
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if [ "$state_should" = "$state_is" ]; then
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# Nothing to do, move along
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exit 0
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fi
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remove_entry() {
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# NOTE: keep variables in sync in manifest/explorer/gencode-*
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prefix="#cdist:$__object_name"
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suffix="#/cdist:$__object_name"
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cat << DONE
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tmpfile=\$(mktemp ${file}.cdist.XXXXXXXXXX)
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# preserve ownership and permissions by copying existing file over tmpfile
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cp -p "$file" "\$tmpfile"
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awk -v prefix="$prefix" -v suffix="$suffix" '
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{
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if (index(\$0,prefix)) {
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triggered=1
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}
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if (triggered) {
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if (index(\$0,suffix)) {
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triggered=0
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}
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} else {
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print
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}
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}' "$file" > "\$tmpfile"
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mv -f "\$tmpfile" "$file"
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DONE
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}
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case "$state_should" in
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present)
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if [ "$state_is" = "changed" ]; then
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remove_entry
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fi
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cat << DONE
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cat >> "$file" << ${__type##*/}_DONE
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$(cat "$entry")
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${__type##*/}_DONE
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DONE
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;;
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absent)
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remove_entry
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;;
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esac
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