syntax = "proto3";
package gloo.solo.io;
option go_package = "github.com/solo-io/gloo/projects/gloo/pkg/api/v1";

import "google/protobuf/struct.proto";

import "extproto/ext.proto";
option (extproto.equal_all) = true;
option (extproto.hash_all) = true;
option (extproto.clone_all) = true;

import "github.com/solo-io/gloo/projects/gloo/api/v1/ssl/ssl.proto";
import "github.com/solo-io/gloo/projects/gloo/api/v1/extensions.proto";
import "github.com/solo-io/gloo/projects/gloo/api/v1/circuit_breaker.proto";
import "github.com/solo-io/gloo/projects/gloo/api/v1/load_balancer.proto";
import "github.com/solo-io/gloo/projects/gloo/api/v1/connection.proto";

import "github.com/solo-io/gloo/projects/gloo/api/v1/plugins/aws/aws.proto";
import "github.com/solo-io/gloo/projects/gloo/api/v1/plugins/rest/rest.proto";
import "github.com/solo-io/gloo/projects/gloo/api/v1/plugins/grpc/grpc.proto";
import "github.com/solo-io/gloo/projects/gloo/api/v1/plugins/grpc_web/grpc_web.proto";
import "github.com/solo-io/gloo/projects/gloo/api/v1/plugins/hcm/hcm.proto";
import "github.com/solo-io/gloo/projects/gloo/api/v1/plugins/tcp/tcp.proto";
import "github.com/solo-io/gloo/projects/gloo/api/v1/plugins/azure/azure.proto";
import "github.com/solo-io/gloo/projects/gloo/api/v1/plugins/consul/consul.proto";
import "github.com/solo-io/gloo/projects/gloo/api/v1/plugins/kubernetes/kubernetes.proto";
import "github.com/solo-io/gloo/projects/gloo/api/v1/plugins/retries/retries.proto";
import "github.com/solo-io/gloo/projects/gloo/api/v1/plugins/static/static.proto";
import "github.com/solo-io/gloo/projects/gloo/api/v1/plugins/stats/stats.proto";
import "github.com/solo-io/gloo/projects/gloo/api/v1/plugins/transformation/prefix_rewrite.proto";
import "github.com/solo-io/gloo/projects/gloo/api/v1/plugins/transformation/transformation.proto";
import "github.com/solo-io/gloo/projects/gloo/api/v1/plugins/faultinjection/fault.proto";
// add the following line:
import "github.com/solo-io/gloo/projects/gloo/api/v1/plugins/gce/gce.proto";

import "google/protobuf/duration.proto";

// Plugin-specific configuration that lives on gateways
// Each ListenerPlugin object contains configuration for a specific plugin
// Note to developers: new Listener Plugins must be added to this struct
// to be usable by Gloo.
message ListenerPlugins {
    // Future sight for matching
}

// Plugin-specific configuration that lives on http listeners
message HttpListenerPlugins {
    grpc_web.plugins.gloo.solo.io.GrpcWeb grpc_web = 1;
    hcm.plugins.gloo.solo.io.HttpConnectionManagerSettings http_connection_manager_settings = 2;
}
// Plugin-specific configuration that lives on tcp listeners
message TcpListenerPlugins {
    tcp.plugins.gloo.solo.io.TcpProxySettings tcp_proxy_settings = 3;
}


// Plugin-specific configuration that lives on virtual hosts
// Each VirtualHostPlugin object contains configuration for a specific plugin
// Note to developers: new Virtual Host Plugins must be added to this struct
// to be usable by Gloo.
message VirtualHostPlugins {
    Extensions extensions = 1;
    retries.plugins.gloo.solo.io.RetryPolicy retries = 5;
    stats.plugins.gloo.solo.io.Stats stats = 10;
}

// Plugin-specific configuration that lives on routes
// Each RoutePlugin object contains configuration for a specific plugin
// Note to developers: new Route Plugins must be added to this struct
// to be usable by Gloo.
message RoutePlugins {
    envoy.api.v2.filter.http.RouteTransformations transformations = 1;
    fault.plugins.gloo.solo.io.RouteFaults faults = 2;
    transformation.plugins.gloo.solo.io.PrefixRewrite prefix_rewrite = 3;
    google.protobuf.Duration timeout = 4;
    retries.plugins.gloo.solo.io.RetryPolicy retries = 5;
    Extensions extensions = 6;
}

// Configuration for Destinations that are tied to the UpstreamSpec or ServiceSpec on that destination
message DestinationSpec {
    // Note to developers: new DestinationSpecs must be added to this oneof field
    // to be usable by Gloo.
    oneof destination_type {
        aws.plugins.gloo.solo.io.DestinationSpec aws = 1;
        azure.plugins.gloo.solo.io.DestinationSpec azure = 2;
        rest.plugins.gloo.solo.io.DestinationSpec rest = 3;
        grpc.plugins.gloo.solo.io.DestinationSpec grpc = 4;
    }
}

// Each upstream in Gloo has a type. Supported types include `static`, `kube`, `aws`, `consul`, and more.
// Each upstream type is handled by a corresponding Gloo plugin. (plugins currently need to be compiled into Gloo)
message UpstreamSpec {

    UpstreamSslConfig ssl_config = 6;

    // Circuit breakers for this upstream. if not set, the defaults ones from the Gloo settings will be used.
    // if those are not set, [envoy's defaults](https://www.envoyproxy.io/docs/envoy/latest/api-v3/config/cluster/v3/circuit_breaker.proto#envoy-api-msg-cluster-circuitbreakers)
    // will be used.
    CircuitBreakerConfig circuit_breakers = 7;
    LoadBalancerConfig load_balancer_config = 8;
    ConnectionConfig connection_config = 9;

    // Use http2 when communicating with this upstream
    // this field is evaluated `true` for upstreams
    // with a grpc service spec
    bool use_http2 = 10;

    // Note to developers: new Upstream plugins must be added to this oneof field
    // to be usable by Gloo.
    oneof upstream_type {
        kubernetes.plugins.gloo.solo.io.UpstreamSpec kube = 1;
        static.plugins.gloo.solo.io.UpstreamSpec static = 4;
        aws.plugins.gloo.solo.io.UpstreamSpec aws = 2;
        azure.plugins.gloo.solo.io.UpstreamSpec azure = 3;
        consul.plugins.gloo.solo.io.UpstreamSpec consul = 5;
        gce.plugins.gloo.solo.io.UpstreamSpec gce = 11;
    }
}