58 lines
1.8 KiB
Plaintext
58 lines
1.8 KiB
Plaintext
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#!/bin/bash
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config="/opt/rotate/files.conf"
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config_dir="/opt/rotate/conf.d"
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found_config="false"
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for file in $(ls ${config} ${config_dir}/*.conf 2>/dev/null); do
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if [[ -f ${file} ]]; then
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found_config="true"
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fi
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done
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# Silently quit if there is no config
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if [[ "${found_config}" == "false" ]]; then
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exit 0
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fi
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for row in $(cat ${config} ${config_dir}/*.conf 2>/dev/null | grep -v '^#'); do
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in_file=$(echo ${row} | awk -F ':' '{print $1}')
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if ! [[ -f ${in_file} ]]; then
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echo "ERROR - No such file: ${in_file}"
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continue
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fi
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retention=$(echo ${row} | awk -F ':' '{print $2}')
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max_size=$(echo ${row} | awk -F ':' '{print $3}')
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# Retention time in days
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if [[ "x${retention}" == "x" ]]; then
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retention=30
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fi
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# max_size is maximum size of file in mega bytes before we rotate
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if [[ "x${max_size}" == "x" ]]; then
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# Default 256 mb
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max_size=256
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fi
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echo "Retention is: ${retention} days"
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# Now retention is in seconds
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retention=$(( retention * 60 * 60 * 24 ))
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echo "Max size is ${max_size} mb"
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# Now max_size is in bytes
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max_size=$(( max_size * 1024 * 1024 ))
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if [[ $(stat -c %s ${in_file}) -gt ${max_size} ]]; then
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out_file="${in_file}-$(date +%Y%m%d%H%M%S).gz"
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echo "Compressing and truncating ${in_file} to ${out_file}"
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cat ${in_file} | gzip > ${out_file}
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:> ${in_file}
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fi
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now=$(date +%s)
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for saved_file in $(ls ${in_file}-*.gz 2>/dev/null); do
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birth_time=$(stat -c %Y ${saved_file})
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if [[ ${birth_time} -eq 0 ]]; then
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birth_time=${now}
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fi
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keep_until=$(( birth_time + retention))
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if [[ ${now} -gt ${keep_until} ]]; then
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echo "removing ${saved_file} since it was created at $(date -d +%Y%m%d%H%M%S @${birth_time}) and should only be saved untill $(date -d +%Y%m%d%H%M%S @${keep_until})"
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rm ${saved_file}
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fi
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done
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done
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