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https://github.com/EDCD/EDDN.git
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53e099a9f4
This script has been proven for months, quieten it for potentially no crontab output unless there's a problem.
118 lines
3.5 KiB
Bash
Executable File
118 lines
3.5 KiB
Bash
Executable File
#!/bin/bash
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# Add ' -x' above to debug
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#
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###########################################################################
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# Configuration
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###########################################################################
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# Maximum age, in days, of log files to keep
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MAX_LOGFILE_AGE=28
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# Minimum size of live log before rotating, see find(1) -size for format
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MIN_ROTATE_SIZE="100M"
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###########################################################################
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###########################################################################
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# Helper functions
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###########################################################################
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##################################################
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# Print program usage information.
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##################################################
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usage() {
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echo "Usage: $(basename $1) ( live | beta | dev ) [ --quiet ]" >&2
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}
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##################################################
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##################################################
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# Output depending on 'quiet' flag
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##################################################
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log() {
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if [ -z "${QUIET}" ];
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then
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echo $@
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fi
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}
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##################################################
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###########################################################################
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###########################################################################
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# Check command line arguments
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###########################################################################
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EXIT_ARG_NO_ENV=1
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EXIT_BAD_ARG=2
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EXIT_NO_LOGS_DIR=3
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EXIT_NO_CD_LOGS_DIR=4
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EXIT_FAILED_COPY=5
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EDDN_ENV="$1"
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if [ -z "${EDDN_ENV}" ];
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then
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usage $0
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exit ${EXIT_ARG_NO_ENV}
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fi
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if [ ! -z "${2}" ];
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then
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if [ "${2}" == "--quiet" ];
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then
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QUIET="1"
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else
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usage
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exit ${EXIT_BAD_ARG}
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fi
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fi
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###########################################################################
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###########################################################################
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# Perform rotation
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###########################################################################
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LOGS_DIR="${HOME}/${EDDN_ENV}/logs"
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if [ ! -d "${LOGS_DIR}" ];
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then
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echo "$(dirname): Logs directory doesn't exist: ${LOGS_DIR}" >&2
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exit ${EXIT_NO_LOGS_DIR}
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fi
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cd ${LOGS_DIR} || exit ${EXIT_NO_CD_LOGS_DIR}
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for service in gateway monitor relay ;
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do
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log "Service: ${service}"
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log " Expiring old logs..."
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find . -name "${service}.log.*.gz" -a -atime +${MAX_LOGFILE_AGE} -exec rm -f {} \;
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log " DONE"
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log " Checking if current logfile needs archiving..."
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if [ ! -z "$(find . -name ${service}.log -a -size +${MIN_ROTATE_SIZE})" ];
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then
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log " Archiving ${service}.log ..."
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# We have no means to tell the service to close and re-open output, it's
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# to stdout/err anyway. So we copy it.
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TIMESTAMP="$(date --iso-8601=seconds)"
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ARCHIVED_NAME="${service}.log.${TIMESTAMP}"
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cp ${service}.log "${ARCHIVED_NAME}"
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if [ $? -ne 0 ];
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then
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echo " FAILED copying live log file to new archive!!!" >&2
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echo " Exiting from any further processing." >&2
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exit ${EXIT_FAILED_COPY}
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fi
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# Truncate the live file.
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:> ${service}.log
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if [ "${service}" == "gateway" ];
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then
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# Produce a report of interesting errors
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${HOME}/.local/bin/eddn-report-log-errors "${ARCHIVED_NAME}" > "${HOME}/reports/eddn-errors/by-log-rotation/eddn-errors-${TIMESTAMP}.txt"
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fi
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# Now compress the newly archived log
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gzip -9 "${ARCHIVED_NAME}"
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log " DONE"
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else
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log " No"
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fi
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done
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###########################################################################
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# vim: tabstop=2 shiftwidth=2 expandtab wrapmargin=0 textwidth=0
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