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@ -1,7 +1,6 @@ |
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#!/bin/sh -e |
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# |
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# 2012 Nico Schottelius (nico-cdist at schottelius.org) |
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# 2014 Steven Armstrong (steven-cdist at armstrong.cc) |
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# 2018 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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@ -18,76 +17,108 @@ |
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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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# |
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file="/$__object_id" |
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regex="" |
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state_should="present" |
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[ -f "$__object/parameter/file" ] && file=$(cat "$__object/parameter/file") |
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[ -f "$__object/parameter/regex" ] && regex=$(cat "$__object/parameter/regex") |
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[ -f "$__object/parameter/state" ] && state_should=$(cat "$__object/parameter/state") |
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[ -f "$__object/parameter/line" ] && line=$(cat "$__object/parameter/line") |
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if [ -f "$__object/parameter/before" -a -f "$__object/parameter/after" ]; then |
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echo "Use either --before OR --after but not both." >&2 |
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exit 1 |
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fi |
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state_should="$(cat "$__object/parameter/state")" |
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state_is="$(cat "$__object/explorer/state")" |
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[ "$state_should" = "$state_is" ] && exit 0 |
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case "$state_should" in |
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present) |
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if [ ! "$line" ]; then |
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echo "Required parameter \"line\" is missing" >&2 |
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exit 1 |
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fi |
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#echo "echo \"$line\" >> $file" |
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#line_sanitised=$(cat "$__object/parameter/line" | sed 's/"/\"/g') |
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# Idea: replace ' in the string: |
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# '"'"' |
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# |------> ': end the string |
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# |-|---> "'": create ' in the output string |
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# |--> ': continue the string |
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# |
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# Replace all \ so \t and other combinations are not interpreted |
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# |
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if [ "$state_should" = "$state_is" ]; then |
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# nothing to do |
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exit 0 |
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fi |
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# line_sanitised=$(cat "$__object/parameter/line" | sed -e "s/'/'\"'\"'/g" -e 's/\\/\\\\/g') |
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# The one above does not work: |
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# --line "PS1='[\t] \[\033[1m\]\h\[\033[0m\]:\w\\$ '" |
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# becomes |
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# PS1='[\\t] \\[\\033[1m\\]\\h\\[\\033[0m\\]:\\w\\$ ' |
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if [ -f "$__object/parameter/before" ]; then |
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position="before" |
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elif [ -f "$__object/parameter/after" ]; then |
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position="after" |
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else |
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# By default we append to the end of the file. |
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position="end" |
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fi |
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# Only replace ' with '"'"' and keep \ as they are |
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line_sanitised=$(cat "$__object/parameter/line" | sed -e "s/'/'\"'\"'/g") |
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printf '%s' "printf '%s\n' '$line_sanitised' >> $file" |
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echo "added" >> "$__messages_out" |
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if [ -f "$__object/parameter/regex" ]; then |
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needle="regex" |
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else |
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needle="line" |
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fi |
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;; |
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absent) |
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if [ "$regex" -a "$line" ]; then |
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echo "Mutally exclusive parameters regex and line given for state absent" >&2 |
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exit 1 |
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fi |
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if [ -f "$__object/parameter/file" ]; then |
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file="$(cat "$__object/parameter/file")" |
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else |
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file="/$__object_id" |
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fi |
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greparg="" |
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if [ "$line" ]; then |
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regex="$line" |
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greparg="-F -x" |
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fi |
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add=0 |
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remove=0 |
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case "$state_should" in |
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present) |
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if [ "$state_is" = "wrongposition" ]; then |
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echo updated >> "$__messages_out" |
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remove=1 |
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else |
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echo added >> "$__messages_out" |
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fi |
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add=1 |
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;; |
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absent) |
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echo removed >> "$__messages_out" |
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remove=1 |
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;; |
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esac |
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cat << eof |
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cat << DONE |
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tmpfile=\$(mktemp ${file}.cdist.XXXXXXXXXX) |
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# preserve ownership and permissions of existing file |
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if [ -f "$file" ]; then |
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cp -p "$file" "\$tmpfile" |
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fi |
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grep -v $greparg "$regex" '$file' > \$tmpfile || true |
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awk -v position="$position" -v needle="$needle" -v remove=$remove -v add=$add ' |
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function _find(_text, _pattern) { |
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if (needle == "regex") { |
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return match(_text, _pattern) |
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} else { |
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return index(_text, _pattern) |
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} |
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} |
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BEGIN { |
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line_file = ENVIRON["__object"] "/parameter/line" |
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getline line < line_file |
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# Need to close line file as it may be re-read as pattern below. |
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close(line_file) |
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getline pattern < (ENVIRON["__object"] "/parameter/" needle) |
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getline anchor < (ENVIRON["__object"] "/parameter/" position) |
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} |
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{ |
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if (remove) { |
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if (_find(\$0, pattern)) { |
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# skip over this line -> remove it |
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next |
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} |
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} |
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if (add) { |
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if (anchor && match(\$0, anchor)) { |
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if (position == "before") { |
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print line |
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print |
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} else if (position == "after") { |
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print |
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print line |
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} |
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next |
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} |
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} |
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print |
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} |
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END { |
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if (add && position == "end") { |
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print line |
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} |
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} |
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' "$file" > "\$tmpfile" |
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mv -f "\$tmpfile" "$file" |
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eof |
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echo "removed" >> "$__messages_out" |
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;; |
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*) |
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echo "Unknown state: $state_should" >&2 |
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exit 1 |
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;; |
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esac |
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DONE |
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Darko Poljak
7 years ago
committed by