risingwave_common_metrics/
metrics.rs

1// Copyright 2025 RisingWave Labs
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
15use prometheus::core::{AtomicU64, GenericGaugeVec};
16
17pub type UintGaugeVec = GenericGaugeVec<AtomicU64>;
18
19#[macro_export]
20macro_rules! register_gauge_vec {
21    ($TYPE:ident, $OPTS:expr, $LABELS_NAMES:expr, $REGISTRY:expr $(,)?) => {{
22        let gauge_vec = $TYPE::new($OPTS, $LABELS_NAMES).unwrap();
23        $REGISTRY
24            .register(Box::new(gauge_vec.clone()))
25            .map(|_| gauge_vec)
26    }};
27}
28
29#[macro_export]
30macro_rules! register_uint_gauge_vec_with_registry {
31    ($OPTS:expr, $LABELS_NAMES:expr, $REGISTRY:expr $(,)?) => {{
32        use $crate::UintGaugeVec;
33        $crate::register_gauge_vec!(UintGaugeVec, $OPTS, $LABELS_NAMES, $REGISTRY)
34    }};
35
36    ($NAME:expr, $HELP:expr, $LABELS_NAMES:expr, $REGISTRY:expr $(,)?) => {{
37        register_uint_gauge_vec_with_registry!(
38            prometheus::opts!($NAME, $HELP),
39            $LABELS_NAMES,
40            $REGISTRY
41        )
42    }};
43}
risingwave_common_metrics/metrics.rs

risingwave_common_metrics/
metrics.rs
