wrench.core — wrench 0.3.0

config clj

(config)

Provides map with all defined configs and their loaded values

def clj macro

(def var-symbol & [raw-definition])

Defines a config to read from environment variable and validate with a spec Definition map could could have:

• doc if provided, will be var's docstring
• spec spec to validate the value (default: string?)
• name name of the environment variable to read (default: uppercased var name)
• require to tell that validation should fail if value is missing (default: false)
• default to provide a fallback value (default: nil)
• secret if true, value will be replaced with <SECRET> while printing (default: false)

evaluate-cfg clj

(evaluate-cfg cfg-var definition)

find-all-vars clj

(find-all-vars)

Collects all defined configurations, based on attached meta

from-file clj

(from-file f)

reload clj

(reload var-symbol)

reset! clj

(reset! & {:keys [var env]})

Fakes value of configs for repl-driven development

• :var accepts map of existing vars that should be replaced
• :env accepts map with that simulates extra environment variables passed

system-env clj

validate-and-print clj

(validate-and-print)

Validates that all defined configurations mathces their requirements and returns. Returns false if at least one definition is missing or does not confogrm to the spec. Either prints loaded configuration or list of errors.