76 lines
2.4 KiB
Bash
Executable File
76 lines
2.4 KiB
Bash
Executable File
#!/bin/sh
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#
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# 2014 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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file="$(cat "$__object/parameter/file")"
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state="$(cat "$__object/parameter/state")"
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mkdir "$__object/files"
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_cksum() {
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echo "$1" | cksum | cut -d' ' -f 1
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}
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_do_line() {
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file="$1"
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line="$2"
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state="$3"
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line_id="$(_cksum "$file")-$(_cksum "$line")"
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set -- "$line_id"
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set -- "$@" --file "$file"
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set -- "$@" --line "$line"
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set -- "$@" --state "$state"
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# Ensure __line does not read stdin
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__line "$@" < /dev/null
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}
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# Generate the entry as it should be
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(
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if [ -f "$__object/parameter/option" ]; then
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options="$(cat "$__object/parameter/option" | tr '\n' ',')"
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printf '%s ' "${options%*,}"
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fi
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if [ -f "$__object/parameter/comment" ]; then
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# extract the keytype and base64 encoded key ignoring any options and comment
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printf '%s ' "$(cat "$__object/parameter/key" | tr ' ' '\n' | awk '/^(ssh|ecdsa)-[^ ]+/ { printf $1" "; getline; printf $1 }')"
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# override the comment with the one explicitly given
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printf '%s' "$(cat "$__object/parameter/comment")"
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else
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printf '%s' "$(cat "$__object/parameter/key")"
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fi
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) > "$__object/files/should"
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# Check for existing and conflicting entries and remove them
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if [ -s "$__object/explorer/entry" ]; then
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# We have existing entries for this key.
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# Check if any of them are in conflict to how the entry should be.
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# Note that the file has to be sorted for comparison with `comm`.
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sort "$__object/explorer/entry" > "$__object/files/is"
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comm -13 "$__object/files/should" "$__object/files/is" | {
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# Remove conflicting entries
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while read entry; do
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_do_line "$file" "$entry" absent
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done
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}
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fi
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# Manage the actual entry as it should be
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entry="$(cat "$__object/files/should")"
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_do_line "$file" "$entry" "$state"
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