Created
August 5, 2021 10:39
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Sets command args using environment variables with prefix
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| #! /bin/sh | |
| set -e | |
| # Script extract env vairables by prefix | |
| # and passes as command arguments | |
| cmd=${1} | |
| shift | |
| if [ "$cmd" = "" ] | |
| then | |
| echo "Error, set application run command as argument." | |
| exit 1 | |
| fi | |
| args_prefix="APP_" | |
| args="" | |
| for item in $(env) | |
| do | |
| key=$(echo $item | cut -d '=' -f1) | |
| value=$(echo $item | cut -d '=' -f2) | |
| if [[ $key == $args_prefix* ]]; | |
| then | |
| key=${key#"$args_prefix"} | |
| # convert underscores to hyphens | |
| # (not consist across all services) | |
| # need to this out | |
| key=${key//_/-} | |
| args="$args--$key $value " | |
| fi | |
| done | |
| args="$args$@" | |
| exec $cmd $args |
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#Test flight