roypur/envconf
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print default values on error

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This commit is contained in:
Roy Olav Purser 2021-06-18 10:39:51 +02:00
parent 46207396ef
commit 924d9d4df7
Signed by: roypur
GPG Key ID: E14D26A036F21656
1 changed files with 13 additions and 2 deletions
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15
envconf.go
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@ -91,17 +91,28 @@ func (c *Config) Parse() {
return
}
c.parsed = true
failed := false
for k, v := range c.env {
if v.empty {
if v.unset {
v.parsed.err = errors.New(fmt.Sprintf(`Environment variable "%s" not found. It should have been of type %s.`, k, v.dtype))
c.env[k] = v
failed = true
}
} else {
v.parsed = v.dtype.parse(k, v.value)
c.env[k] = v
}
}
for k, v := range c.env {
if failed && (v.parsed.err == nil) {
if v.unset {
v.parsed.err = errors.New(fmt.Sprintf(`Environment variable "%s" not found. It should have been of type %s.`, k, v.dtype))
c.env[k] = v
} else {
v.parsed.err = errors.New(fmt.Sprintf(`Environment variable "%s" not found. Default value of "%s"(%s) used.`, k, v.value, v.dtype))
c.env[k] = v
}
}
}
}
// Status prints out failures that occured while parsing the environment to os.Stderr.