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Config support get environment variable

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get environment variable if config item  has prefix "$ENV_" .
e.g.
```ini
[demo]
password = $ENV_MyPWD
```
This commit is contained in:
ysqi
2016-01-27 20:46:30 +08:00
parent 4ce094a29a
commit cd31c816cc
10 changed files with 222 additions and 32 deletions
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14
config/fake.go
View File

@ -25,7 +25,15 @@ type fakeConfigContainer struct {
}
func (c *fakeConfigContainer) getData(key string) string {
return c.data[strings.ToLower(key)]
if len(key) == 0 {
return ""
}
v := c.data[strings.ToLower(key)]
if env, ok := Getenv(v); ok {
return env
}
return v
}
func (c *fakeConfigContainer) Set(key, val string) error {
@ -38,7 +46,7 @@ func (c *fakeConfigContainer) String(key string) string {
}
func (c *fakeConfigContainer) DefaultString(key string, defaultval string) string {
v := c.getData(key)
v := c.String(key)
if v == "" {
return defaultval
}
@ -46,7 +54,7 @@ func (c *fakeConfigContainer) DefaultString(key string, defaultval string) strin
}
func (c *fakeConfigContainer) Strings(key string) []string {
return strings.Split(c.getData(key), ";")
return strings.Split(c.String(key), ";")
}
func (c *fakeConfigContainer) DefaultStrings(key string, defaultval []string) []string {