mirror of
https://github.com/lancachenet/monolithic
synced 2024-11-26 05:50:18 +00:00
47 lines
1.6 KiB
Bash
47 lines
1.6 KiB
Bash
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#!/bin/bash
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echo "Checking cache configuration"
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print_confighash_warning () {
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echo ""
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echo "ABORTING STARTUP TO AVOID POTENTIALLY INVALIDATING THE CACHE"
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echo ""
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echo "If you are happy that this cache is valid with the current config changes"
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echo "please delete \`/<cache_mount>/CONFIGHASH\`"
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echo ""
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echo "See: https://lancache.net/docs/advanced/config-hash/ for more details"
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}
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DETECTED_CACHE_KEY=`grep proxy_cache_key /etc/nginx/sites-available/cache.conf.d/root/30_cache_key.conf | awk '{print $2}'`
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NEWHASH="GENERICCACHE_VERSION=${GENERICCACHE_VERSION};CACHE_MODE=${CACHE_MODE};CACHE_SLICE_SIZE=${CACHE_SLICE_SIZE};CACHE_KEY=${DETECTED_CACHE_KEY}"
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if [ -d /data/cache/cache ]; then
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echo " Detected existing cache data, checking config hash for consistency"
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if [ -f /data/cache/CONFIGHASH ]; then
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OLDHASH=`cat /data/cache/CONFIGHASH`
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if [ ${OLDHASH} != ${NEWHASH} ]; then
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echo "ERROR: Detected CONFIGHASH does not match current CONFIGHASH"
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echo " Detected: ${OLDHASH}"
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echo " Current: ${NEWHASH}"
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print_confighash_warning ${NEWHASH}
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exit -1;
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else
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echo " CONFIGHASH matches current configuration"
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fi
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else
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echo " Could not find CONFIGHASH for existing cachedata"
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echo " This is either an upgrade from an older instance of Lancache"
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echo " or CONFIGHASH has been deleted intentionally"
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echo ""
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echo " Creating CONFIGHASH from current live configuration"
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echo " Current: ${NEWHASH}"
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echo ""
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echo " See: https://lancache.net/docs/advanced/config-hash/ for more details"
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fi
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fi
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mkdir -p /data/cache/cache
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echo ${NEWHASH} > /data/cache/CONFIGHASH
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