kompose/vendor/github.com/docker/libcompose/lookup/simple_env.go
Charlie Drage 57039425b6 Update vendoring as well as libcompose
This commit updates libcompose in order to merge in
https://github.com/docker/libcompose/pull/423 which affected
https://github.com/kubernetes-incubator/kompose/issues/92 by not
erroring out when an image name wasn't provided.

Closes https://github.com/kubernetes-incubator/kompose/issues/92

As well as knocks out the last required milestone for a 0.2.1 release
https://github.com/kubernetes-incubator/kompose/milestone/2
2017-01-04 13:18:07 -05:00

25 lines
707 B
Go

package lookup
import (
"fmt"
"os"
"github.com/docker/libcompose/config"
)
// OsEnvLookup is a "bare" structure that implements the project.EnvironmentLookup interface
type OsEnvLookup struct {
}
// Lookup creates a string slice of string containing a "docker-friendly" environment string
// in the form of 'key=value'. It gets environment values using os.Getenv.
// If the os environment variable does not exists, the slice is empty. serviceName and config
// are not used at all in this implementation.
func (o *OsEnvLookup) Lookup(key string, config *config.ServiceConfig) []string {
ret := os.Getenv(key)
if ret == "" {
return []string{}
}
return []string{fmt.Sprintf("%s=%s", key, ret)}
}