Create aws context

Signed-off-by: aiordache <anca.iordache@docker.com>

context/store/contextmetadata.go

@@ -49,6 +49,13 @@ type AciContext struct {
 	ResourceGroup  string `json:",omitempty"`
 }
 
+// AwsContext is the context for the AWS backend
+type AwsContext struct {
+	Profile string `json:",omitempty"`
+	Cluster string `json:",omitempty"`
+	Region  string `json:",omitempty"`
+}
+
 // LocalContext is the context for the local backend
 type LocalContext struct{}
 

context/store/store.go

@@ -336,13 +336,16 @@ func createDirIfNotExist(dir string) error {
 // be able to manage other contexts.
 func getters() map[string]func() interface{} {
 	return map[string]func() interface{}{
-		"aci": func() interface{} {
+		AciContextType: func() interface{} {
 			return &AciContext{}
 		},
-		"local": func() interface{} {
+		AwsContextType: func() interface{} {
+			return &AwsContext{}
+		},
+		LocalContextType: func() interface{} {
 			return &LocalContext{}
 		},
-		"example": func() interface{} {
+		ExampleContextType: func() interface{} {
 			return &ExampleContext{}
 		},
 	}