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101916a6e4
* integration test started * details * More tests. * idn tests and punycode (not tested fully because I'm on an aiplane) * test for dual provider compatibility * readme for tests * vendor idna * fix casing
48 lines
1.5 KiB
Go
48 lines
1.5 KiB
Go
// Package config provides functions for reading and parsing the provider credentials json file.
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// It cleans nonstandard json features (comments and trailing commas), as well as replaces environment variable placeholders with
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// their environment variable equivalents. To reference an environment variable in your json file, simply use values in this format:
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// "key"="$ENV_VAR_NAME"
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package config
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import (
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"encoding/json"
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"fmt"
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"os"
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"strings"
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"github.com/DisposaBoy/JsonConfigReader"
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"github.com/TomOnTime/utfutil"
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)
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// LoadProviderConfigs will open the specified file name, and parse its contents. It will replace environment variables it finds if any value matches $[A-Za-z_-0-9]+
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func LoadProviderConfigs(fname string) (map[string]map[string]string, error) {
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var results = map[string]map[string]string{}
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dat, err := utfutil.ReadFile(fname, utfutil.POSIX)
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if err != nil {
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return nil, fmt.Errorf("While reading provider credentials file %v: %v", fname, err)
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}
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s := string(dat)
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r := JsonConfigReader.New(strings.NewReader(s))
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err = json.NewDecoder(r).Decode(&results)
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if err != nil {
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return nil, fmt.Errorf("While parsing provider credentials file %v: %v", fname, err)
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}
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if err = replaceEnvVars(results); err != nil {
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return nil, err
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}
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return results, nil
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}
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func replaceEnvVars(m map[string]map[string]string) error {
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for _, keys := range m {
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for k, v := range keys {
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if strings.HasPrefix(v, "$") {
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env := v[1:]
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newVal := os.Getenv(env)
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keys[k] = newVal
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}
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}
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}
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return nil
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}
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