97 lines
1.9 KiB
Bash
Executable File
97 lines
1.9 KiB
Bash
Executable File
#!/bin/sh
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#Georg Pfuetzenreuter <georg@lysergic.dev>
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#Not intended for general purpose use - designed to initialize a construct of bind -> CryFS -> S3 mounts
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basemount="/s3"
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cryptmount="$basemount/container"
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sysmount="/mnt/s3cry"
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datamount="/data"
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ingestmount="$datamount/ingest/s3"
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clearingestmount="${ingestmount}_clear"
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mounts="/proc/mounts"
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check () {
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grep -qs "$1" "$mounts"
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}
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check_ingestmount () {
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if check "$ingestmount"
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then
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echo "Already mounted."
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exit 0
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fi
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}
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stop_mounts () {
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if check "$ingestmount "
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then
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echo "Unmounting $ingestmount ..."
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umount "$ingestmount"
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fi
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if check "$clearingestmount "
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then
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echo "Unmounting $clearingestmount ..."
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umount "$clearingestmount"
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fi
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if check "$sysmount"
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then
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echo "Unmounting $sysmount ..."
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fusermount -u "$sysmount"
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fi
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if check "$basemount"
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then
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echo "Unmounting $basemount ..."
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umount "$basemount"
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fi
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}
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start_mounts () {
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check_ingestmount
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if ! check "$basemount"
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then
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echo "Mounting $basemount ..."
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s3fs lysergic "$basemount" -o url=https://s3.eu-central-2.wasabisys.com -o allow_other
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if [ ! "$?" = "0" ]
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then
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echo "FATAL - s3fs failed"
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exit 1
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fi
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#we don't want this, it's an unencrypted s3 mount, but helpful for testing
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if ! check "$clearingestmount "
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then
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echo "Mounting $clearingestmount ..."
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mount -o bind "$basemount/clear" "$clearingestmount"
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fi
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if ! check "$sysmount"
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then
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echo "Mounting $sysmount ..."
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cryfs "$cryptmount" "$sysmount" -- -o allow_other < /etc/.cry >/dev/null 2>&1
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if [ ! "$?" = "0" ]
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then
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echo "FATAL - cryfs failed"
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exit 1
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fi
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if ! check "$ingestmount "
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then
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echo "Mounting $ingestmount ..."
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mount -o bind "$sysmount" "$ingestmount"
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if [ ! "$?" = "0" ]
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then
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echo "FATAL - bind mount failed"
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exit 1
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fi
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fi
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fi
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fi
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}
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case "$1" in
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"start" ) start_mounts ;;
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"stop" ) stop_mounts ;;
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"status" ) check_ingestmount ;;
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* ) echo "$0 [start|stop|status]" ;;
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esac
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