32 lines
828 B
Go
32 lines
828 B
Go
|
package lookup
|
||
|
|
|
||
|
|
import (
|
||
|
|
"strings"
|
||
|
|
|
||
|
|
"github.com/docker/docker/runconfig/opts"
|
||
|
|
"github.com/docker/libcompose/config"
|
||
|
|
)
|
||
|
|
|
||
|
|
// EnvfileLookup is a structure that implements the project.EnvironmentLookup interface.
|
||
|
|
// It holds the path of the file where to lookup environment values.
|
||
|
|
type EnvfileLookup struct {
|
||
|
|
Path string
|
||
|
|
}
|
||
|
|
|
||
|
|
// Lookup creates a string slice of string containing a "docker-friendly" environment string
|
||
|
|
// in the form of 'key=value'. It gets environment values using a '.env' file in the specified
|
||
|
|
// path.
|
||
|
|
func (l *EnvfileLookup) Lookup(key, serviceName string, config *config.ServiceConfig) []string {
|
||
|
|
envs, err := opts.ParseEnvFile(l.Path)
|
||
|
|
if err != nil {
|
||
|
|
return []string{}
|
||
|
|
}
|
||
|
|
for _, env := range envs {
|
||
|
|
e := strings.Split(env, "=")
|
||
|
|
if e[0] == key {
|
||
|
|
return []string{env}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return []string{}
|
||
|
|
}
|