Kovács Zoltán
ddd6a71186
* per-service logging feature restarts automatically on reboot * a new worker script: tools/startup.d/110-startlogs.sh * using docker logs instead of docker compose logs cause format changes
81 lines
2.7 KiB
Bash
Executable File
81 lines
2.7 KiB
Bash
Executable File
#!/bin/bash
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#
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# Maintenence operations at reboot.
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# This script called usually by the cron.
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#
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# Author: Kovács Zoltán <kovacs.zoltan@smartfront.hu>
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# Kovács Zoltán <kovacsz@marcusconsulting.hu>
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# License: GNU/GPL v3+ (https://www.gnu.org/licenses/gpl-3.0.en.html)
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#
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# 2025-02-02 v1.1
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# new: On reboot (re)starts the per-service logger feature.
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# 2023-06-18 v1.0
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# new: forked from the "Smartfront's DOCKER_skeleton" repository.
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# 2021-08-30 v0.1 Initial release
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# Accepted environment variables and their defaults.
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#
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PAR_BASEDIR=${PAR_BASEDIR:-""} # Service's base folder
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PAR_AGGLOGS=${PAR_AGGLOGS:-""} # Not empty for aggregated logs
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# Other initialisations.
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#
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START_LOGGER="tools/startup.d/110-startlogs.sh"
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YMLFILE="docker-compose.yml"
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# Messages.
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#
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MSG_MISSINGDEP="Fatal: missing dependency"
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MSG_MISSINGYML="Fatal: didn't find the docker-compose.yml file"
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# Checks the dependencies.
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#
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TR=$(which tr 2>/dev/null)
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if [ -z "$TR" ]; then echo "$MSG_MISSINGDEP tr."; exit 1 ; fi
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for item in basename cut dirname readlink
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do
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if [ -n "$(which $item)" ]
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then export $(echo $item | "$TR" '[:lower:]' '[:upper:]')=$(which $item)
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else echo "$MSG_MISSINGDEP $item." >&2; exit 1; fi
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done
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# All dependencies are available via "$THECOMMAND" (upper case) call.
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# Where I'm?
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# https://gist.github.com/TheMengzor/968e5ea87e99d9c41782
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#
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SOURCE="${BASH_SOURCE[0]}"
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while [ -h "$SOURCE" ]; do
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# resolve $SOURCE until the file is no longer a symlink
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SCRPATH="$( cd -P "$( "$DIRNAME" "$SOURCE" )" && pwd )" #"
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SOURCE="$("$READLINK" "$SOURCE")"
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# if $SOURCE was a relative symlink, we need to resolve it
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# relative to the path where the symlink file was located
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[[ $SOURCE != /* ]] && SOURCE="$SCRPATH/$SOURCE"
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done; SCRPATH="$( cd -P "$( "$DIRNAME" "$SOURCE" )" && pwd )" #"
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SCRFILE="$("$BASENAME" "$(test -L "$0" && "$READLINK" "$0" || echo "$0")")" #"
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# Searches the base folder, containing a docker-compose.yml file.
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#
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# Called from the base folder (./)?
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BASE_DIR="$PAR_BASEDIR"
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TEST_DIR="$SCRPATH"
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[[ -z "$BASE_DIR" ]] && [[ -r "$TEST_DIR/$YMLFILE" ]] && BASE_DIR="$TEST_DIR"
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# Called from ./tools?
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TEST_DIR="$("$DIRNAME" "$TEST_DIR")"
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[[ -z "$BASE_DIR" ]] && [[ -r "$TEST_DIR/$YMLFILE" ]] && BASE_DIR="$TEST_DIR"
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# Called from ./tools/*.d?
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TEST_DIR="$("$DIRNAME" "$TEST_DIR")"
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[[ -z "$BASE_DIR" ]] && [[ -r "$TEST_DIR/$YMLFILE" ]] && BASE_DIR="$TEST_DIR"
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# On failure gives it up here.
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if [ -z "$BASE_DIR" -o ! -r "$BASE_DIR/$YMLFILE" ]; then
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echo "$MSG_MISSINGYML" >&2; exit 1
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fi
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# Starts per-service logging if it is not already running.
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#
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if [ -x "$BASE_DIR/$START_LOGGER" ]; then
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"$BASE_DIR/$START_LOGGER"
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fi
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# That's all, Folks :)
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