syntax = "proto3";

package yandex.cloud.compute.v1;

import "google/api/annotations.proto";
import "google/protobuf/field_mask.proto";

import "yandex/cloud/api/operation.proto";
import "yandex/cloud/compute/v1/instance.proto";
import "yandex/cloud/compute/v1/host_group.proto";
import "yandex/cloud/operation/operation.proto";
import "yandex/cloud/validation.proto";

option go_package = "github.com/yandex-cloud/go-genproto/yandex/cloud/compute/v1;compute";
option java_package = "yandex.cloud.api.compute.v1";

// A set of methods for managing groups of dedicated hosts.
service HostGroupService {
  // Returns the specified host group.
  rpc Get (GetHostGroupRequest) returns (HostGroup) {
    option (google.api.http) = { get: "/compute/v1/hostGroups/{host_group_id}" };
  }


  // Retrieves the list of host groups in the specified folder.
  rpc List (ListHostGroupsRequest) returns (ListHostGroupsResponse) {
    option (google.api.http) = { get: "/compute/v1/hostGroups" };
  }

  // Creates a host group in the specified folder.
  rpc Create (CreateHostGroupRequest) returns (operation.Operation) {
    option (google.api.http) = { post: "/compute/v1/hostGroups" body: "*" };
    option (yandex.cloud.api.operation) = {
      metadata: "CreateHostGroupMetadata"
      response: "HostGroup"
    };
  }

  // Updates the specified host group.
  rpc Update (UpdateHostGroupRequest) returns (operation.Operation) {
    option (google.api.http) = { patch: "/compute/v1/hostGroups/{host_group_id}" body: "*" };
    option (yandex.cloud.api.operation) = {
      metadata: "UpdateHostGroupMetadata"
      response: "HostGroup"
    };
  }

  // Deletes the specified host group.
  rpc Delete (DeleteHostGroupRequest) returns (operation.Operation) {
    option (google.api.http) = { delete: "/compute/v1/hostGroups/{host_group_id}" };
    option (yandex.cloud.api.operation) = {
      metadata: "DeleteHostGroupMetadata"
      response: "google.protobuf.Empty"
    };
  }

  // Lists operations for the specified host group.
  rpc ListOperations (ListHostGroupOperationsRequest) returns (ListHostGroupOperationsResponse) {
    option (google.api.http) = { get: "/compute/v1/hostGroups/{host_group_id}/operations" };
  }

  // Lists instances that belongs to the specified host group.
  rpc ListInstances (ListHostGroupInstancesRequest) returns (ListHostGroupInstancesResponse) {
    option (google.api.http) = { get: "/compute/v1/hostGroups/{host_group_id}/instances" };
  }

  // Lists hosts that belongs to the specified host group.
  rpc ListHosts (ListHostGroupHostsRequest) returns (ListHostGroupHostsResponse) {
    option (google.api.http) = { get: "/compute/v1/hostGroups/{host_group_id}/hosts" };
  }
}

message GetHostGroupRequest {
  // ID of the host group to return.
  // To get the host group ID, use [HostGroupService.List] request.
  string host_group_id = 1 [(required) = true, (length) = "<=50"];
}

message ListHostGroupsRequest {
  // ID of the folder to list host groups in.
  // To get the folder ID, use [yandex.cloud.resourcemanager.v1.FolderService.List] request.
  string folder_id = 1 [(required) = true, (length) = "<=50"];

  // The maximum number of results per page to return. If the number of available
  // results is larger than [page_size],
  // the service returns a [ListHostGroupsResponse.next_page_token]
  // that can be used to get the next page of results in subsequent list requests.
  int64 page_size = 2 [(value) = "<=1000"];

  // Page token. To get the next page of results,
  // set [page_token] to the [ListHostGroupsResponse.next_page_token]
  // returned by a previous list request.
  string page_token = 3 [(length) = "<=100"];

  // A filter expression that filters resources listed in the response.
  // Currently you can use filtering only on the [HostGroup.name] field.
  string filter = 4 [(length) = "<=1000"];
}

message ListHostGroupsResponse {
  // Lists host groups for the specified folder.
  repeated HostGroup host_groups = 1;

  // This token allows you to get the next page of results for list requests. If the number of results
  // is larger than [ListHostGroupsRequest.page_size], use
  // [next_page_token] as the value
  // for the [ListHostGroupsRequest.page_token] query parameter
  // in the next list request. Each subsequent list request will have its own
  // [next_page_token] to continue paging through the results.
  string next_page_token = 2;
}

message CreateHostGroupRequest {
  // ID of the folder to create a host group in.
  // To get the folder ID, use a [yandex.cloud.resourcemanager.v1.FolderService.List] request.
  string folder_id = 1 [(required) = true, (length) = "<=50"];

  // Name of the group.
  string name = 2 [(pattern) = "|[a-z]([-a-z0-9]{0,61}[a-z0-9])?"];

  // Description of the group.
  string description = 3 [(length) = "<=256"];

  // Resource labels as `key:value` pairs.
  map<string, string> labels = 4 [(yandex.cloud.size) = "<=64", (length) = "<=63", (pattern) = "[-_./\\@0-9a-z]*", (map_key).length = "1-63", (map_key).pattern = "[a-z][-_./\\@0-9a-z]*"];

  // Availability zone where all dedicated hosts will be allocated.
  string zone_id = 5 [(required) = true, (length) = "<=50"];

  // ID of host type. Resources provided by each host of the group.
  string type_id = 6 [(required) = true, (length) = "<=50"];

  // Behaviour on maintenance events.
  MaintenancePolicy maintenance_policy = 7;

  // Scale policy. Only fixed number of hosts are supported at this moment.
  ScalePolicy scale_policy = 8;
}

message CreateHostGroupMetadata {
  // ID of the host group that is being created.
  string host_group_id = 1;
}

message UpdateHostGroupRequest {
  // ID of the host group to update.
  // To get the host group ID, use an [HostGroupService.List] request.
  string host_group_id = 1 [(required) = true, (length) = "<=50"];

  // Field mask that specifies which fields of the HostGroup resource are going to be updated.
  google.protobuf.FieldMask update_mask = 2;

  // Name of the group.
  string name = 3 [(pattern) = "|[a-z]([-a-z0-9]{0,61}[a-z0-9])?"];

  // Description of the group.
  string description = 4 [(length) = "<=256"];

  // Resource labels as `key:value` pairs.
  //
  // The existing set of `labels` is completely replaced by the provided set.
  map<string, string> labels = 5 [(yandex.cloud.size) = "<=64", (length) = "<=63", (pattern) = "[-_./\\@0-9a-z]*", (map_key).length = "1-63", (map_key).pattern = "[a-z][-_./\\@0-9a-z]*"];

  // Behaviour on maintenance events
  MaintenancePolicy maintenance_policy = 6;

  // Scale policy. Only fixed number of hosts are supported at this moment.
  ScalePolicy scale_policy = 7;
}

message UpdateHostGroupMetadata {
  // ID of the host group that is being updated.
  string host_group_id = 1;
}

message DeleteHostGroupRequest {
  // ID of the host group to delete.
  // To get the host group ID, use [HostGroupService.List] request.
  string host_group_id = 1 [(required) = true, (length) = "<=50"];
}

message DeleteHostGroupMetadata {
  // ID of the host group that is being deleted.
  string host_group_id = 1;
}

message ListHostGroupInstancesRequest {
  // ID of the host group to list instances for.
  // To get the host group ID, use [HostGroupService.List] request.
  string host_group_id = 1 [(required) = true, (length) = "<=50"];

  // The maximum number of results per page to return. If the number of available
  // results is larger than [page_size],
  // the service returns a [ListHostGroupInstancesResponse.next_page_token]
  // that can be used to get the next page of results in subsequent list requests.
  int64 page_size = 2 [(value) = "<=1000"];

  // Page token. To get the next page of results,
  // set [page_token] to the [ListHostGroupInstancesResponse.next_page_token]
  // returned by a previous list request.
  string page_token = 3 [(length) = "<=100"];

  // A filter expression that filters resources listed in the response.
  // Currently you can use filtering only on the [Host.id] field.
  // To get the host ID, use [HostGroupService.ListHosts] request.
  string filter = 4 [(length) = "<=1000"];
}

message ListHostGroupInstancesResponse {
  // Lists instances for the specified host group.
  repeated Instance instances = 1;

  // This token allows you to get the next page of results for list requests. If the number of results
  // is more than [ListHostGroupInstancesRequest.page_size], use
  // [next_page_token] as the value
  // for the [ListHostGroupInstancesRequest.page_token] query parameter
  // in the next list request. Each subsequent list request will have its own
  // [next_page_token] to continue paging through the results.
  string next_page_token = 2;
}


message ListHostGroupHostsRequest {
  // ID of the host group to list hosts for.
  // To get the host group ID, use [HostGroupService.List] request.
  string host_group_id = 1 [(required) = true, (length) = "<=50"];

  // The maximum number of results per page to return. If the number of available
  // results is larger than [page_size],
  // the service returns a [ListHostGroupHostsResponse.next_page_token]
  // that can be used to get the next page of results in subsequent list requests.
  int64 page_size = 2 [(value) = "<=1000"];

  // Page token. To get the next page of results,
  // set [page_token] to the [ListHostGroupHostsResponse.next_page_token]
  // returned by a previous list request.
  string page_token = 3 [(length) = "<=100"];
}

message ListHostGroupHostsResponse {
  // Lists hosts for the specified host group.
  repeated Host hosts = 1;

  // This token allows you to get the next page of results for list requests. If the number of results
  // is more than [ListHostGroupHostsRequest.page_size], use
  // [next_page_token] as the value
  // for the [ListHostGroupHostsRequest.page_token] query parameter
  // in the next list request. Each subsequent list request will have its own
  // [next_page_token] to continue paging through the results.
  string next_page_token = 2;
}

message ListHostGroupOperationsRequest {
  // ID of the host group to list operations for.
  // To get the host group ID, use [HostGroupService.List] request.
  string host_group_id = 1 [(required) = true, (length) = "<=50"];

  // The maximum number of results per page to return. If the number of available
  // results is larger than [page_size], the service returns a [ListHostGroupOperationsResponse.next_page_token]
  // that can be used to get the next page of results in subsequent list requests.
  int64 page_size = 2 [(value) = "<=1000"];

  // Page token. To get the next page of results, set [page_token] to the
  // [ListHostGroupOperationsResponse.next_page_token] returned by a previous list request.
  string page_token = 3 [(length) = "<=100"];
}

message ListHostGroupOperationsResponse {
  // List of operations for the specified host group.
  repeated operation.Operation operations = 1;

  // This token allows you to get the next page of results for list requests. If the number of results
  // is larger than [ListHostGroupOperationsRequest.page_size], use the [next_page_token] as the value
  // for the [ListHostGroupOperationsRequest.page_token] query parameter in the next list request.
  // Each subsequent list request will have its own [next_page_token] to continue paging through the results.
  string next_page_token = 2;
}