29 lines
1.2 KiB
Bash
29 lines
1.2 KiB
Bash
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#! /bin/bash
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# ref: https://github.com/linuxserver/docker-baseimage-alpine/blob/master/root/etc/cont-init.d/01-envfile
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# in s6, environmental variables are written as text files for s6 to monitor
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for FILENAME in $(find /var/run/s6/container_environment/ | grep "^.*__FILE"); do
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echo "[secret-init] Evaluating ${FILENAME}"
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# set SECRETFILE to the contents of the variable
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SECRETFILE=$(cat ${FILENAME})
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# SECRETFILE=${FILENAME}
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echo "[secret-init] Setting SECRETFILE to ${SECRETFILE}..." # DEBUG - rm for prod!
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# if SECRETFILE exists / is not null
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if [[ -f ${SECRETFILE} ]]; then
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# strip the appended "__FILE" from environmental variable name ...
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STRIPFILE=$(echo $FILENAME | sed "s/__FILE//g")
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echo "[secret-init] Set STRIPFILE to ${STRIPFILE}" # DEBUG - rm for prod!
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# ... and set value to contents of secretfile
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# since s6 uses text files, this is effectively "export ..."
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cat ${SECRETFILE} > ${STRIPFILE}
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echo "[secret-init] Set ${STRIPFILE} to $(cat ${STRIPFILE})" # DEBUG - rm for prod!"
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echo "[secret-init] Success! ${STRIPFILE##*/} set from ${FILENAME##*/}"
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else
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echo "[secret-init] cannot find secret in ${FILENAME##*/}"
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fi
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done
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