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metrics.go
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/
metrics.go
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// Copyright 2019 Anapaya Systems
//
// 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 ifstate
import (
"github.com/prometheus/client_golang/prometheus"
"github.com/scionproto/scion/go/beacon_srv/internal/metrics"
)
var _ prometheus.Collector = (*Collector)(nil)
// Collector implements a prometheus collector that exports the state of all interfaces.
type Collector struct {
intfs *Interfaces
}
// NewCollector creates a prometheus collector that exports the state of all interfaces.
func NewCollector(intfs *Interfaces) *Collector {
return &Collector{
intfs: intfs,
}
}
// Collect is called by prometheus to get interface status
func (c *Collector) Collect(mc chan<- prometheus.Metric) {
for ifid, intf := range c.intfs.All() {
up := float64(0)
if intf.State() == Active {
up = 1
}
l := metrics.IfstateLabels{
IfID: ifid,
NeighIA: intf.TopoInfo().ISD_AS,
}
mc <- metrics.Ifstate.IfstateMetric(l, up)
}
}
// Describe is called by prometheus to get description
func (c *Collector) Describe(dc chan<- *prometheus.Desc) {
dc <- metrics.Ifstate.Desc
}