chore: extracting ide-service from server

Co-authored-by: Anton Kosyakov <anton@gitpod.io>
Co-authored-by: Victor Nogueira <victor@gitpod.io>
Co-authored-by: Andrea Falzetti <andrea@gitpod.io>

Author: 4 people

components/ide-service-api/go/ide.pb.go

@@ -11,10 +11,41 @@ option java_package = "io.gitpod.ideservice.api";
 
 service IDEService {
     rpc GetConfig(GetConfigRequest) returns (GetConfigResponse) {}
+    rpc ResolveWorkspaceConfig(ResolveWorkspaceConfigRequest) returns (ResolveWorkspaceConfigResponse) {}
 }
 
 message GetConfigRequest {}
 
 message GetConfigResponse {
     string content = 1;
 }
+
+// TODO: import type from other packages
+// EnvironmentVariable describes an env var as key/value pair
+message EnvironmentVariable {
+    string name = 1;
+    string value = 2;
+}
+
+enum WorkspaceType {
+    REGULAR = 0;
+    PREBUILD = 1;
+}
+
+
+message ResolveWorkspaceConfigRequest {
+    WorkspaceType type = 1;
+    string context = 2;
+    string ide_settings = 3;
+    string workspace_config = 4;
+}
+
+message ResolveWorkspaceConfigResponse {
+    repeated EnvironmentVariable envvars = 1;
+    string supervisor_image = 2;
+    string web_image = 3;
+    repeated string ide_image_layers = 4;
+    // control whether to configure default IDE for a user
+    string referer_ide = 5;
+    string tasks = 6;
+}