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Fixes for file_env function

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- Avoid using eval
- Add validation logic for environment variables existence
This commit is contained in:
jieggii 2024-08-08 14:20:39 +03:00
parent 6505e0619f
commit 3168dc82ba
1 changed files with 19 additions and 9 deletions
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28
docker-entrypoint.sh
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@ -47,17 +47,27 @@ file_env() {
local var_name="$1"
local file_var_name="$2"
eval file_path="\$${file_var_name}"
eval current_value="\$${var_name}"
var_value=$(printenv "$var_name") || var_value=""
file_path=$(printenv "$file_var_name") || file_path=""
if [ -n "$file_path" ]; then
if [ -n "$current_value" ]; then
echo "Error: both ${file_var_name} and ${var_name} env vars are set, expected only one of them"
exit 1
if [ -z "$var_value" ] && [ -z "$file_path" ]; then
echo "error: expected $var_name or $file_var_name env vars to be set"
exit 1
elif [ -n "$var_value" ] && [ -n "$file_path" ]; then
echo "both and $var_name $file_var_name env vars are set, expected only one of them"
exit 1
else
if [ -n $file_path ]; then
if [ -f "$file_path" ]; then
file_content=$(cat "$file_path")
export "$var_name=$file_content"
else
echo "error: file '$file_path' does not exist"
exit 1
fi
fi
file_content=$(< "$file_path")
export "$var_name=$file_content"
fi
}