35 lines
1.5 KiB
Bash
35 lines
1.5 KiB
Bash
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#!/usr/bin/env bash
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if [ -n "$CERC_SCRIPT_DEBUG" ]; then
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set -x
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fi
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if [[ $# -ne 2 ]]; then
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echo "Illegal number of parameters" >&2
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exit 1
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fi
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config_file_name=$1
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webapp_files_dir=$2
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if ![[ -f ${config_file_name} ]]; then
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echo "Config file ${config_file_name} does not exist" >&2
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exit 1
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fi
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if ![[ -d ${webapp_files_dir} ]]; then
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echo "Webapp directory ${webapp_files_dir} does not exist" >&2
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exit 1
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fi
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# First some magic using yq to translate our yaml config file into an array of key value pairs like:
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# LACONIC_HOSTED_CONFIG_<path-through-objects>=<value>
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readarray -t config_kv_pair_array < <( yq '.. | select(length > 2) | ([path | join("_"), .] | join("=") )' ${config_file_name} | sed 's/^/LACONIC_HOSTED_CONFIG_/' )
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declare -p config_kv_pair_array
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# Then iterate over that kv array making the template substitution in our web app files
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for kv_pair_string in "${config_kv_pair_array[@]}"
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do
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kv_pair=(${kv_pair_string//=/ })
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template_string_to_replace=${kv_pair[0]}
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template_value_to_substitute=${kv_pair[1]}
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# Run find and sed to do the substitution of one variable over all files
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# See: https://stackoverflow.com/a/21479607/1701505
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echo "Substituting: ${template_string_to_replace} = ${template_value_to_substitute}"
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# Note: we do not escape our strings, on the expectation they do not container the '#' char.
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find ${webapp_files_dir} -type f -exec sed -i 's#'${template_string_to_replace}'#'${template_value_to_substitute}'#g' {} +
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done
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