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// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
syntax = "proto3";
package google.monitoring.v3;
option java_multiple_files = true;
option java_outer_classname = "GroupProto";
option java_package = "com.google.monitoring.v3";
// The description of a dynamic collection of monitored resources. Each group
// has a filter that is matched against monitored resources and their associated
// metadata. If a group's filter matches an available monitored resource, then
// that resource is a member of that group. Groups can contain any number of
// monitored resources, and each monitored resource can be a member of any
// number of groups.
//
// Groups can be nested in parent-child hierarchies. The `parentName` field
// identifies an optional parent for each group. If a group has a parent, then
// the only monitored resources available to be matched by the group's filter
// are the resources contained in the parent group. In other words, a group
// contains the monitored resources that match its filter and the filters of all
// the group's ancestors. A group without a parent can contain any monitored
// resource.
//
// For example, consider an infrastructure running a set of instances with two
// user-defined tags: `"environment"` and `"role"`. A parent group has a filter,
// `environment="production"`. A child of that parent group has a filter,
// `role="transcoder"`. The parent group contains all instances in the
// production environment, regardless of their roles. The child group contains
// instances that have the transcoder role *and* are in the production
// environment.
//
// The monitored resources contained in a group can change at any moment,
// depending on what resources exist and what filters are associated with the
// group and its ancestors.
message Group {
// Output only. The name of this group. The format is
// `"projects/{project_id_or_number}/groups/{group_id}"`.
// When creating a group, this field is ignored and a new name is created
// consisting of the project specified in the call to `CreateGroup`
// and a unique `{group_id}` that is generated automatically.
string name = 1;
// A user-assigned name for this group, used only for display purposes.
string display_name = 2;
// The name of the group's parent, if it has one.
// The format is `"projects/{project_id_or_number}/groups/{group_id}"`.
// For groups with no parent, `parentName` is the empty string, `""`.
string parent_name = 3;
// The filter used to determine which monitored resources belong to this group.
string filter = 5;
// If true, the members of this group are considered to be a cluster.
// The system can perform additional analysis on groups that are clusters.
bool is_cluster = 6;
}
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