syntax = "proto3";
package gce.plugins.gloo.solo.io;

option go_package = "github.com/solo-io/gloo/projects/gloo/pkg/api/v1/plugins/gce";

option (extproto.equal_all) = true;

// Upstream Spec for Google Compute Engine Upstreams
// GCE Upstreams represent a set of one or more addressable VM instances with
// a shared set of tags
message UpstreamSpec {
    // get endpoints from instances whose labels match this selector
    map<string, string> selector = 1;
    // zone in which the instances live
    string zone = 2;
    // the GCP project to which the instances belong
    string project_id = 3;
    // the port on which the instances are listening
    // create multiple upstreams to support multiple ports
    uint32 port = 4;
}