vendor: initial vendor

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

vendor/github.com/docker/compose-on-kubernetes/api/compose/impersonation/impersonationconfig.go

@@ -0,0 +1,26 @@
+package impersonation
+
+import "github.com/docker/compose-on-kubernetes/api/compose/clone"
+
+// Config contains the data required to impersonate a user.
+type Config struct {
+	// UserName is the username to impersonate on each request.
+	UserName string
+	// Groups are the groups to impersonate on each request.
+	Groups []string
+	// Extra is a free-form field which can be used to link some authentication information
+	// to authorization information.  This field allows you to impersonate it.
+	Extra map[string][]string
+}
+
+// Clone clones the impersonation config
+func (ic *Config) Clone() *Config {
+	if ic == nil {
+		return nil
+	}
+	result := new(Config)
+	result.UserName = ic.UserName
+	result.Groups = clone.SliceOfString(ic.Groups)
+	result.Extra = clone.MapOfStringToSliceOfString(ic.Extra)
+	return result
+}