84 lines
2.8 KiB
Text
84 lines
2.8 KiB
Text
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#!/bin/sh
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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 "$__object_id")"
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conf_dir="/etc/consul/conf.d"
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conf_file="service_${name}.json"
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state="$(cat "$__object/parameter/state")"
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# Sanity checks
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if [ -f "$__object/parameter/check-script" -a -f "$__object/parameter/check-ttl" ]; then
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echo "Use either --check-script together with --check-interval OR --check-ttl, but not both" >&2
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exit 1
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fi
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if [ -f "$__object/parameter/check-script" -a ! -f "$__object/parameter/check-interval" ]; then
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echo "When using --check-script you must also define --check-interval" >&2
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exit 1
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fi
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# Generate json config file
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(
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echo "{"
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printf ' "service": {\n'
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printf ' "name": "%s"\n' "$name"
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for param in $(ls "$__object/parameter/"); do
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case "$param" in
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state|name|check-interval) continue ;;
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check-script)
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printf ' ,"check": {\n'
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printf ' "script": "%s"\n' "$(cat "$__object/parameter/check-script")"
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printf ' ,"interval": "%s"\n' "$(cat "$__object/parameter/check-interval")"
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printf ' }\n'
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;;
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check-ttl)
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printf ' ,"check": {\n'
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printf ' "ttl": "%s"\n' "$(cat "$__object/parameter/check-ttl")"
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printf ' }\n'
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;;
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tag)
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# create json array from newline delimited file
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tags="$(awk '{printf "\""$1"\","}' "$__object/parameter/tag")"
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# remove trailing ,
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printf ' ,"tags": [%s]\n' "${tags%*,}"
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;;
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port)
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# integer key=value parameters
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key="$(echo "$param" | tr '-' '_')"
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printf ' ,"%s": %s\n' "$key" "$(cat "$__object/parameter/$param")"
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;;
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*)
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# string key=value parameters
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key="$(echo "$param" | tr '-' '_')"
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printf ' ,"%s": "%s"\n' "$key" "$(cat "$__object/parameter/$param")"
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;;
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esac
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done
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# end service
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echo " }"
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# end json file
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echo "}"
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) | \
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require="__directory${conf_dir}" \
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__config_file "${conf_dir}/${conf_file}" \
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--owner root --group consul --mode 640 \
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--state "$state" \
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--onchange 'service consul status >/dev/null && service consul reload || true' \
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--source -
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