/
queue.go
58 lines (52 loc) · 1.5 KB
/
queue.go
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// Copyright © 2019 Stephen Bunn
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package queue
import (
"github.com/prometheus/client_golang/prometheus"
)
// Queue generic queue interface
type Queue interface {
Enqueue(interface{})
Dequeue() interface{}
Size() int
Empty() bool
Head() interface{}
Init() bool
}
var (
queueLatency = prometheus.NewSummaryVec(
prometheus.SummaryOpts{
Namespace: "mdbload",
Name: "queue_latency_seconds",
Help: "Latency of queue operations",
},
[]string{"operation"},
)
queueSize = prometheus.NewGauge(
prometheus.GaugeOpts{
Namespace: "mdbload",
Name: "items_queued",
Help: "the approximate number of items in the queue",
},
)
queueError = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "mdbload",
Name: "queue_errors_total",
Help: "Number of errored queue operations",
},
[]string{"operation"},
)
)