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metric_set.go
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metric_set.go
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// Copyright 2022 Couchbase, 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.
//
package metrics
import (
_ "embed"
"encoding/json"
"fmt"
"github.com/creasty/defaults"
"github.com/couchbaselabs/cmos-prometheus-exporter/pkg/metrics/eventing"
"github.com/couchbaselabs/cmos-prometheus-exporter/pkg/metrics/fts"
"github.com/couchbaselabs/cmos-prometheus-exporter/pkg/metrics/gsi"
"github.com/couchbaselabs/cmos-prometheus-exporter/pkg/metrics/memcached"
"github.com/couchbaselabs/cmos-prometheus-exporter/pkg/metrics/n1ql"
"github.com/couchbaselabs/cmos-prometheus-exporter/pkg/metrics/system"
"github.com/couchbaselabs/cmos-prometheus-exporter/pkg/metrics/xdcr"
)
type MetricSet struct {
Memcached memcached.MetricSet `json:"memcached"`
GSI gsi.MetricSet `json:"gsi"`
N1QL n1ql.MetricSet `json:"n1ql"`
System system.MetricSet `json:"system"`
FTS fts.MetricSet `json:"fts"`
Eventing eventing.MetricSet `json:"eventing"`
XDCR xdcr.MetricSet `json:"xdcr"`
}
//go:embed defaultMetricSet.json
var defaultMetricSet []byte
func LoadDefaultMetricSet() *MetricSet {
ms, err := ParseMetricSet(defaultMetricSet)
if err != nil {
panic(fmt.Errorf("failed to load default metric set: %w", err))
}
return ms
}
func ParseMetricSet(val []byte) (*MetricSet, error) {
var ms MetricSet
err := json.Unmarshal(val, &ms)
if err != nil {
return nil, err
}
err = defaults.Set(&ms)
return &ms, err
}