Module: Kreds::Fetch

Included in:
Kreds
Defined in:
lib/kreds/fetch.rb

Instance Method Summary collapse

Instance Method Details

#env_fetch!(*keys, var: nil) ⇒ Object 



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# File 'lib/kreds/fetch.rb', line 24

def env_fetch!(*keys, var: nil, &)
  fetch!(Rails.env, *keys, var:, &)
end

#fetch!(*keys, var: nil) ⇒ Object 



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# File 'lib/kreds/fetch.rb', line 3

def fetch!(*keys, var: nil, &)
  symbolized_keys = Kreds::Inputs.process(
    keys, as: :symbol_array, message: "Expected an array of symbols or strings, got `#{keys.inspect}`"
  )

  path = []

  symbolized_keys.reduce(Rails.application.credentials) do |hash, key|
    path << key
    fetch_key(hash, key, path, symbolized_keys)
  end
rescue Kreds::BlankCredentialsError, Kreds::UnknownCredentialsError => e
  fallback_to_var(
    e,
    Kreds::Inputs.process(
      var, as: :non_empty_string, optional: true, message: "Expected a non-empty string, got `#{var.inspect}`"
    ),
    &
  )
end

#var!(var) ⇒ Object 



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# File 'lib/kreds/fetch.rb', line 28

def var!(var, &)
  value = ENV.fetch(
    Kreds::Inputs.process(var, as: :non_empty_string, message: "Expected a non-empty string, got `#{var.inspect}`")
  )

  return raise_or_yield(Kreds::BlankEnvironmentVariableError.new("Blank value in environment variable: #{var.inspect}"), &) if value.blank?

  value
rescue KeyError
  raise_or_yield(Kreds::UnknownEnvironmentVariableError.new("Environment variable not found: #{var.inspect}"), &)
end