forked from cortexproject/cortex
/
metrics.go
82 lines (72 loc) · 2.64 KB
/
metrics.go
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package consul
import (
"context"
consul "github.com/hashicorp/consul/api"
"github.com/prometheus/client_golang/prometheus"
"github.com/weaveworks/common/instrument"
)
var consulRequestDuration = instrument.NewHistogramCollector(prometheus.NewHistogramVec(prometheus.HistogramOpts{
Namespace: "cortex",
Name: "consul_request_duration_seconds",
Help: "Time spent on consul requests.",
Buckets: prometheus.DefBuckets,
}, []string{"operation", "status_code"}))
func init() {
consulRequestDuration.Register()
}
type consulMetrics struct {
kv
}
func (c consulMetrics) CAS(p *consul.KVPair, options *consul.WriteOptions) (bool, *consul.WriteMeta, error) {
var ok bool
var result *consul.WriteMeta
err := instrument.CollectedRequest(options.Context(), "CAS", consulRequestDuration, instrument.ErrorCode, func(ctx context.Context) error {
options = options.WithContext(ctx)
var err error
ok, result, err = c.kv.CAS(p, options)
return err
})
return ok, result, err
}
func (c consulMetrics) Get(key string, options *consul.QueryOptions) (*consul.KVPair, *consul.QueryMeta, error) {
var kvp *consul.KVPair
var meta *consul.QueryMeta
err := instrument.CollectedRequest(options.Context(), "Get", consulRequestDuration, instrument.ErrorCode, func(ctx context.Context) error {
options = options.WithContext(ctx)
var err error
kvp, meta, err = c.kv.Get(key, options)
return err
})
return kvp, meta, err
}
func (c consulMetrics) List(path string, options *consul.QueryOptions) (consul.KVPairs, *consul.QueryMeta, error) {
var kvps consul.KVPairs
var meta *consul.QueryMeta
err := instrument.CollectedRequest(options.Context(), "List", consulRequestDuration, instrument.ErrorCode, func(ctx context.Context) error {
options = options.WithContext(ctx)
var err error
kvps, meta, err = c.kv.List(path, options)
return err
})
return kvps, meta, err
}
func (c consulMetrics) Delete(key string, options *consul.WriteOptions) (*consul.WriteMeta, error) {
var meta *consul.WriteMeta
err := instrument.CollectedRequest(options.Context(), "Delete", consulRequestDuration, instrument.ErrorCode, func(ctx context.Context) error {
options = options.WithContext(ctx)
var err error
meta, err = c.kv.Delete(key, options)
return err
})
return meta, err
}
func (c consulMetrics) Put(p *consul.KVPair, options *consul.WriteOptions) (*consul.WriteMeta, error) {
var result *consul.WriteMeta
err := instrument.CollectedRequest(options.Context(), "Put", consulRequestDuration, instrument.ErrorCode, func(ctx context.Context) error {
options = options.WithContext(ctx)
var err error
result, err = c.kv.Put(p, options)
return err
})
return result, err
}