improve URI parsing for elasticsearch bindings * alternative determin…

…ation of port based on URI scheme #83

service/service.go

@@ -137,6 +137,16 @@ func enrichBinding(binding config.ServiceBinding) config.ServiceBinding {
 				binding.Port, _ = strconv.Atoi(p)
 			}
 
+			// set well-known port based on scheme if still missing
+			if binding.Port == 0 {
+				if strings.EqualFold(u.Scheme, "https") {
+					binding.Port = 443
+				}
+				if strings.EqualFold(u.Scheme, "http") {
+					binding.Port = 80
+				}
+			}
+
 			// set database if not defined yet but can be found in URI
 			if len(binding.Database) == 0 {
 				binding.Database = strings.TrimPrefix(u.Path, "/")

service/service_bindings_test.go

@@ -46,3 +46,31 @@ func Test_Service_ParseServiceBindings(t *testing.T) {
 	assert.Equal(t, "dev-secret", c.Services["my_postgres_db"].Binding.Password)                                                              // from service_binding_root/*
 	assert.Equal(t, "postgres://dev-user:dev-secret@127.0.0.1:5432/my_postgres_db?sslmode=disable", c.Services["my_postgres_db"].Binding.URI) // from service_binding_root/*
 }
+
+func Test_Service_MergeVCAPServices(t *testing.T) {
+	config.SetConfigFile("_fixtures/config_without_bindings.json")
+
+	c := config.Get()
+	mergeVCAPServices()
+
+	assert.Equal(t, "postgres", c.Services["my_postgres_db"].Binding.Type)
+	assert.Equal(t, "127.0.0.1", c.Services["my_postgres_db"].Binding.Host)
+	assert.Equal(t, 5432, c.Services["my_postgres_db"].Binding.Port)
+	assert.Equal(t, "dev-user", c.Services["my_postgres_db"].Binding.Username)
+	assert.Equal(t, "dev-secret", c.Services["my_postgres_db"].Binding.Password)
+	assert.Equal(t, "postgres://dev-user:dev-secret@127.0.0.1:5432/my_postgres_db?sslmode=disable", c.Services["my_postgres_db"].Binding.URI)
+	assert.Equal(t, "https://0c061730-1b19-424b-8efd-349fd40957a0.yolo.elasticsearch.lyra-836.appcloud.swisscom.com:443", c.Services["my-elasticsearch"].Binding.URI)
+
+	elasticsearchServiceConfig := c.Services["my-elasticsearch"]
+	// without enrichBinding is port undefined
+	assert.Equal(t, 0, elasticsearchServiceConfig.Binding.Port)
+	// if port is defined in uri, it is determined from there
+	elasticsearchServiceConfig.Binding = enrichBinding(elasticsearchServiceConfig.Binding)
+	assert.Equal(t, 443, elasticsearchServiceConfig.Binding.Port)
+	// if no port is defined in uri, it is determined by schema/protocol
+	elasticsearchServiceConfig.Binding.Host = "https://0c061730-1b19-424b-8efd-349fd40957a0.yolo.elasticsearch.lyra-836.appcloud.swisscom.com"
+	elasticsearchServiceConfig.Binding.URI = elasticsearchServiceConfig.Binding.Host
+	elasticsearchServiceConfig.Binding.Port = 0
+	elasticsearchServiceConfig.Binding = enrichBinding(elasticsearchServiceConfig.Binding)
+	assert.Equal(t, 443, elasticsearchServiceConfig.Binding.Port)
+}