syntax = "proto3";

package controller.api.services.v1;

option go_package = "github.com/hashicorp/boundary/internal/gen/controller/api/services;services";

import "protoc-gen-openapiv2/options/annotations.proto";
import "google/api/annotations.proto";
import "google/protobuf/field_mask.proto";
import "controller/api/resources/hosts/v1/host.proto";

service HostService {
  // GetHost returns a stored Host if present.  The provided request
  // must include the host ID for the resource being retrieved. If the ID is
  // missing, malformed or referencing anon existing resource an error is
   // returned.
  rpc GetHost(GetHostRequest) returns (GetHostResponse) {
    option (google.api.http) = {
      get: "/v1/hosts/{id}"
      response_body: "item"
    };
    option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_operation) = {
      summary: "Gets a single Host."
    };
  }

  // ListHosts returns a list of stored hosts which exist inside the provided
  // Host Catalog. The request must include the Host Catalog id containing the
  // Hosts being listed.  If the id is missing, malformed, or reference a
  // non-existing resource, an error is returned.
  rpc ListHosts(ListHostsRequest) returns (ListHostsResponse) {
    option (google.api.http) = {
      get: "/v1/hosts"
    };
    option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_operation) = {
      summary: "List all Hosts for the specified Catalog."
    };
  }

  // CreateHost creates and stores a Host in boundary.  The provided
  // request must include the Host Catalog id in which the Host
  // will be created.  If the Catalog id is missing, malformed or references a
  // non-existing resource, an error is returned.  If a name is provided that
  // is in use by another Host in the same Host Catalog, an error is returned.
  rpc CreateHost(CreateHostRequest) returns (CreateHostResponse) {
    option (google.api.http) = {
      post: "/v1/hosts"
      body: "item"
      response_body: "item"
    };
    option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_operation) = {
      summary: "Create a single Host."
    };
  }

  // UpdateHost updates an existing Host in boundary.  The provided
  // Host must not have any read only fields set.  The update mask must be
  // included in the request and contain at least 1 mutable field.  To unset
  // a field's value, include the field in the update mask and don't set it
  // in the provided Host. An error is returned if the Host id is missing or
  // reference a non-existing resource.  An error is also returned if the
  // request attempts to update the name to one that is already in use in
  // the same Host Catalog.
  rpc UpdateHost(UpdateHostRequest) returns (UpdateHostResponse) {
    option (google.api.http) = {
      patch: "/v1/hosts/{id}"
      body: "item"
      response_body: "item"
    };
    option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_operation) = {
      summary: "Update a Host."
    };
  }

  // DeleteHost removes a Host from Boundary. If the provided Host ID
  // is malformed or not provided an error is returned.
  rpc DeleteHost(DeleteHostRequest) returns (DeleteHostResponse) {
    option (google.api.http) = {
      delete: "/v1/hosts/{id}"
    };
    option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_operation) = {
      summary: "Delete a Host."
    };
  }
}

message GetHostRequest {
  string id = 1;
}

message GetHostResponse {
  api.resources.hosts.v1.Host item = 1;
}

message ListHostsRequest {
  string host_catalog_id = 1 [json_name="host_catalog_id"];
}

message ListHostsResponse {
  repeated api.resources.hosts.v1.Host items = 1;
}

message CreateHostRequest {
  api.resources.hosts.v1.Host item = 1;
}

message CreateHostResponse {
  string uri = 1;
  api.resources.hosts.v1.Host item = 2;
}

message UpdateHostRequest {
  string id = 1;
  api.resources.hosts.v1.Host item = 2;
  google.protobuf.FieldMask update_mask = 3 [json_name="update_mask"];
}

message UpdateHostResponse {
  api.resources.hosts.v1.Host item = 1;
}

message DeleteHostRequest {
  string id = 1;
}

message DeleteHostResponse {}
