1// Copyright 2021 Google LLC
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15syntax = "proto3";
16
17package google.monitoring.v3;
18
19import "google/api/label.proto";
20import "google/api/metric.proto";
21import "google/api/monitored_resource.proto";
22import "google/monitoring/v3/common.proto";
23
24option csharp_namespace = "Google.Cloud.Monitoring.V3";
25option go_package = "cloud.google.com/go/monitoring/apiv3/v2/monitoringpb;monitoringpb";
26option java_multiple_files = true;
27option java_outer_classname = "MetricProto";
28option java_package = "com.google.monitoring.v3";
29option php_namespace = "Google\\Cloud\\Monitoring\\V3";
30option ruby_package = "Google::Cloud::Monitoring::V3";
31
32// A single data point in a time series.
33message Point {
34  // The time interval to which the data point applies.  For `GAUGE` metrics,
35  // the start time is optional, but if it is supplied, it must equal the
36  // end time.  For `DELTA` metrics, the start
37  // and end time should specify a non-zero interval, with subsequent points
38  // specifying contiguous and non-overlapping intervals.  For `CUMULATIVE`
39  // metrics, the start and end time should specify a non-zero interval, with
40  // subsequent points specifying the same start time and increasing end times,
41  // until an event resets the cumulative value to zero and sets a new start
42  // time for the following points.
43  TimeInterval interval = 1;
44
45  // The value of the data point.
46  TypedValue value = 2;
47}
48
49// A collection of data points that describes the time-varying values
50// of a metric. A time series is identified by a combination of a
51// fully-specified monitored resource and a fully-specified metric.
52// This type is used for both listing and creating time series.
53message TimeSeries {
54  // The associated metric. A fully-specified metric used to identify the time
55  // series.
56  google.api.Metric metric = 1;
57
58  // The associated monitored resource.  Custom metrics can use only certain
59  // monitored resource types in their time series data. For more information,
60  // see [Monitored resources for custom
61  // metrics](https://cloud.google.com/monitoring/custom-metrics/creating-metrics#custom-metric-resources).
62  google.api.MonitoredResource resource = 2;
63
64  // Output only. The associated monitored resource metadata. When reading a
65  // time series, this field will include metadata labels that are explicitly
66  // named in the reduction. When creating a time series, this field is ignored.
67  google.api.MonitoredResourceMetadata metadata = 7;
68
69  // The metric kind of the time series. When listing time series, this metric
70  // kind might be different from the metric kind of the associated metric if
71  // this time series is an alignment or reduction of other time series.
72  //
73  // When creating a time series, this field is optional. If present, it must be
74  // the same as the metric kind of the associated metric. If the associated
75  // metric's descriptor must be auto-created, then this field specifies the
76  // metric kind of the new descriptor and must be either `GAUGE` (the default)
77  // or `CUMULATIVE`.
78  google.api.MetricDescriptor.MetricKind metric_kind = 3;
79
80  // The value type of the time series. When listing time series, this value
81  // type might be different from the value type of the associated metric if
82  // this time series is an alignment or reduction of other time series.
83  //
84  // When creating a time series, this field is optional. If present, it must be
85  // the same as the type of the data in the `points` field.
86  google.api.MetricDescriptor.ValueType value_type = 4;
87
88  // The data points of this time series. When listing time series, points are
89  // returned in reverse time order.
90  //
91  // When creating a time series, this field must contain exactly one point and
92  // the point's type must be the same as the value type of the associated
93  // metric. If the associated metric's descriptor must be auto-created, then
94  // the value type of the descriptor is determined by the point's type, which
95  // must be `BOOL`, `INT64`, `DOUBLE`, or `DISTRIBUTION`.
96  repeated Point points = 5;
97
98  // The units in which the metric value is reported. It is only applicable
99  // if the `value_type` is `INT64`, `DOUBLE`, or `DISTRIBUTION`. The `unit`
100  // defines the representation of the stored metric values.
101  string unit = 8;
102}
103
104// A descriptor for the labels and points in a time series.
105message TimeSeriesDescriptor {
106  // A descriptor for the value columns in a data point.
107  message ValueDescriptor {
108    // The value key.
109    string key = 1;
110
111    // The value type.
112    google.api.MetricDescriptor.ValueType value_type = 2;
113
114    // The value stream kind.
115    google.api.MetricDescriptor.MetricKind metric_kind = 3;
116
117    // The unit in which `time_series` point values are reported. `unit`
118    // follows the UCUM format for units as seen in
119    // https://unitsofmeasure.org/ucum.html.
120    // `unit` is only valid if `value_type` is INTEGER, DOUBLE, DISTRIBUTION.
121    string unit = 4;
122  }
123
124  // Descriptors for the labels.
125  repeated google.api.LabelDescriptor label_descriptors = 1;
126
127  // Descriptors for the point data value columns.
128  repeated ValueDescriptor point_descriptors = 5;
129}
130
131// Represents the values of a time series associated with a
132// TimeSeriesDescriptor.
133message TimeSeriesData {
134  // A point's value columns and time interval. Each point has one or more
135  // point values corresponding to the entries in `point_descriptors` field in
136  // the TimeSeriesDescriptor associated with this object.
137  message PointData {
138    // The values that make up the point.
139    repeated TypedValue values = 1;
140
141    // The time interval associated with the point.
142    TimeInterval time_interval = 2;
143  }
144
145  // The values of the labels in the time series identifier, given in the same
146  // order as the `label_descriptors` field of the TimeSeriesDescriptor
147  // associated with this object. Each value must have a value of the type
148  // given in the corresponding entry of `label_descriptors`.
149  repeated LabelValue label_values = 1;
150
151  // The points in the time series.
152  repeated PointData point_data = 2;
153}
154
155// A label value.
156message LabelValue {
157  // The label value can be a bool, int64, or string.
158  oneof value {
159    // A bool label value.
160    bool bool_value = 1;
161
162    // An int64 label value.
163    int64 int64_value = 2;
164
165    // A string label value.
166    string string_value = 3;
167  }
168}
169
170// An error associated with a query in the time series query language format.
171message QueryError {
172  // The location of the time series query language text that this error applies
173  // to.
174  TextLocator locator = 1;
175
176  // The error message.
177  string message = 2;
178}
179
180// A locator for text. Indicates a particular part of the text of a request or
181// of an object referenced in the request.
182//
183// For example, suppose the request field `text` contains:
184//
185//   text: "The quick brown fox jumps over the lazy dog."
186//
187// Then the locator:
188//
189//   source: "text"
190//   start_position {
191//     line: 1
192//     column: 17
193//   }
194//   end_position {
195//     line: 1
196//     column: 19
197//   }
198//
199// refers to the part of the text: "fox".
200message TextLocator {
201  // The position of a byte within the text.
202  message Position {
203    // The line, starting with 1, where the byte is positioned.
204    int32 line = 1;
205
206    // The column within the line, starting with 1, where the byte is
207    // positioned. This is a byte index even though the text is UTF-8.
208    int32 column = 2;
209  }
210
211  // The source of the text. The source may be a field in the request, in which
212  // case its format is the format of the
213  // google.rpc.BadRequest.FieldViolation.field field in
214  // https://cloud.google.com/apis/design/errors#error_details. It may also be
215  // be a source other than the request field (e.g. a macro definition
216  // referenced in the text of the query), in which case this is the name of
217  // the source (e.g. the macro name).
218  string source = 1;
219
220  // The position of the first byte within the text.
221  Position start_position = 2;
222
223  // The position of the last byte within the text.
224  Position end_position = 3;
225
226  // If `source`, `start_position`, and `end_position` describe a call on
227  // some object (e.g. a macro in the time series query language text) and a
228  // location is to be designated in that object's text, `nested_locator`
229  // identifies the location within that object.
230  TextLocator nested_locator = 4;
231
232  // When `nested_locator` is set, this field gives the reason for the nesting.
233  // Usually, the reason is a macro invocation. In that case, the macro name
234  // (including the leading '@') signals the location of the macro call
235  // in the text and a macro argument name (including the leading '$') signals
236  // the location of the macro argument inside the macro body that got
237  // substituted away.
238  string nesting_reason = 5;
239}
240