docker-compose environment for the entire v.st system
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39 lines
1.2 KiB
39 lines
1.2 KiB
#!/bin/sh
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set -e
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ME=$(basename $0)
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entrypoint_log() {
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if [ -z "${NGINX_ENTRYPOINT_QUIET_LOGS:-}" ]; then
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echo "$@"
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fi
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}
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auto_envsubst() {
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local template_dir="${NGINX_ENVSUBST_TEMPLATE_DIR:-/etc/nginx/templates}"
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local suffix="${NGINX_ENVSUBST_TEMPLATE_SUFFIX:-.template}"
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local output_dir="${NGINX_ENVSUBST_OUTPUT_DIR:-/etc/nginx/conf.d}"
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local filter="${NGINX_ENVSUBST_FILTER:-}"
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local template defined_envs relative_path output_path subdir
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defined_envs=$(printf '${%s} ' $(awk "END { for (name in ENVIRON) { print ( name ~ /${filter}/ ) ? name : \"\" } }" < /dev/null ))
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[ -d "$template_dir" ] || return 0
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if [ ! -w "$output_dir" ]; then
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entrypoint_log "$ME: ERROR: $template_dir exists, but $output_dir is not writable"
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return 0
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fi
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find "$template_dir" -follow -type f -name "*$suffix" -print | while read -r template; do
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relative_path="${template#$template_dir/}"
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output_path="$output_dir/${relative_path%$suffix}"
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subdir=$(dirname "$relative_path")
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# create a subdirectory where the template file exists
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mkdir -p "$output_dir/$subdir"
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entrypoint_log "$ME: Running envsubst on $template to $output_path"
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envsubst "$defined_envs" < "$template" > "$output_path"
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done
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}
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auto_envsubst
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exit 0
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