79 lines
2.4 KiB
Bash
Executable File
79 lines
2.4 KiB
Bash
Executable File
#!/bin/sh -e
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#
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# 2015 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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name="$(cat "$__object/parameter/name" 2>/dev/null || echo "$__object_id")"
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state="$(cat "$__object/parameter/state")"
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conf_dir="/etc/consul-template/conf.d"
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conf_file="template_${name}.hcl"
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template_dir="/etc/consul-template/template"
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require=""
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# Sanity checks
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if [ -f "$__object/parameter/source" ] && [ -f "$__object/parameter/source-file" ]; then
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echo "Use either --source OR --source-file, but not both." >&2
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exit 1
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fi
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if [ ! -f "$__object/parameter/source" ] && [ ! -f "$__object/parameter/source-file" ]; then
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echo "Either --source OR --source-file must be given." >&2
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exit 1
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fi
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if [ -f "$__object/parameter/source-file" ]; then
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destination="${template_dir}/${name}"
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require="__file${destination}"
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fi
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# Generate hcl config file
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{
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printf 'template {\n'
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cd "$__object/parameter/"
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for param in *; do
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case "$param" in
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source-file)
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source="$(cat "$__object/parameter/$param")"
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if [ "$source" = "-" ]; then
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source="$__object/stdin"
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fi
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require="__directory${template_dir}" \
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__file "$destination" \
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--owner root --group root --mode 640 \
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--source "$source" \
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--state "$state"
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printf ' source = "%s"\n' "$destination"
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;;
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source|destination|command|wait)
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printf ' %s = "%s"\n' "$param" "$(cat "$__object/parameter/$param")"
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;;
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*)
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# ignore unknown parameters
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:
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;;
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esac
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done
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printf '}\n'
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} | \
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require="$require __directory${conf_dir}" \
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__config_file "${conf_dir}/${conf_file}" \
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--owner root --group root --mode 640 \
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--state "$state" \
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--onchange 'service consul-template status >/dev/null && service consul-template reload || true' \
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--source -
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