feat(config): add option to specify default value to env var expansion (#5020)
* feat: Add option to specify default value to env var expansion * fix: remove unused capturing group for env var replacement Co-authored-by: Nicolas Giard <github@ngpixel.com>
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@ -15,6 +15,6 @@ ssl:
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provider: letsencrypt
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domain: $(LETSENCRYPT_DOMAIN)
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subscriberEmail: $(LETSENCRYPT_EMAIL)
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logLevel: info
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logFormat: $(LOG_FORMAT)
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logLevel: $(LOG_LEVEL:info)
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logFormat: $(LOG_FORMAT:default)
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ha: $(HA_ACTIVE)
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@ -8,14 +8,18 @@ module.exports = {
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/**
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* Parse configuration value for environment vars
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*
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* Replaces `$(ENV_VAR_NAME)` with value of `ENV_VAR_NAME` environment variable.
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*
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* Also supports defaults by if provided as `$(ENV_VAR_NAME:default)`
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*
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* @param {any} cfg Configuration value
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* @returns Parse configuration value
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*/
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parseConfigValue (cfg) {
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return _.replace(
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cfg,
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/\$\(([A-Z0-9_]+)\)/g,
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(fm, m) => { return process.env[m] }
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/\$\(([A-Z0-9_]+)(?::(.+))?\)/g,
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(fm, m, d) => { return process.env[m] || d }
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)
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},
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