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feat: add l2vpn metrics (czerwonk#248)
* feat: add l2vpn metrics * fix: l2vpn tests --------- Co-authored-by: Johannes Müller Aguilar <JMuellerAguilar@anexia-it.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| package l2vpn | ||
|
|
||
| import ( | ||
| "strconv" | ||
| "strings" | ||
| "time" | ||
|
|
||
| "github.com/czerwonk/junos_exporter/pkg/collector" | ||
| "github.com/prometheus/client_golang/prometheus" | ||
| ) | ||
|
|
||
| var ( | ||
| l2vpnConnectionStateDesc *prometheus.Desc | ||
| l2vpnConnectionsDesc *prometheus.Desc | ||
| l2vpnMap = map[string]int{ | ||
| "EI": 0, | ||
| "EM": 1, | ||
| "VC-Dn": 2, | ||
| "CM": 3, | ||
| "CN": 4, | ||
| "OR": 5, | ||
| "OL": 6, | ||
| "LD": 7, | ||
| "RD": 8, | ||
| "LN": 9, | ||
| "RN": 10, | ||
| "XX": 11, | ||
| "MM": 12, | ||
| "BK": 13, | ||
| "PF": 14, | ||
| "RS": 15, | ||
| "LB": 16, | ||
| "VM": 17, | ||
| "NC": 18, | ||
| "WE": 19, | ||
| "NP": 20, | ||
| "->": 21, | ||
| "<-": 22, | ||
| "Up": 23, | ||
| "Dn": 24, | ||
| "CF": 25, | ||
| "SC": 26, | ||
| "LM": 27, | ||
| "RM": 28, | ||
| "IL": 29, | ||
| "MI": 30, | ||
| "ST": 31, | ||
| "PB": 32, | ||
| "SN": 33, | ||
| "RB": 34, | ||
| "HS": 35, | ||
| } | ||
| ) | ||
|
|
||
| func init() { | ||
| l2vpnPrefix := "junos_l2vpn_" | ||
|
|
||
| lcount := []string{"target", "routing_instance"} | ||
| lstate := []string{"target", "routing_instance", "connection_id", "remote_pe", "last_change", "up_transitions", "local_interface_name"} | ||
| l2StateDescription := "A l2vpn can have one of the following state-mappings EI: 0, EM: 1, VC-Dn: 2, CM: 3, CN: 4, OR: 5, OL: 6, LD: 7, RD: 8, LN: 9, RN: 10, XX: 11, MM: 12, BK: 13, PF: 14, RS: 15, LB: 16, VM: 17, NC: 18, WE: 19, NP: 20, ->: 21, <-: 22, Up: 23, Dn: 24, CF: 25, SC: 26, LM: 27, RM: 28, IL: 29, MI: 30, ST: 31, PB: 32, SN: 33, RB: 34, HS: 35" | ||
| l2vpnConnectionsDesc = prometheus.NewDesc(l2vpnPrefix+"connection_count", "Number of l2vpn connections", lcount, nil) | ||
| l2vpnConnectionStateDesc = prometheus.NewDesc(l2vpnPrefix+"connection_status", l2StateDescription, lstate, nil) | ||
| } | ||
|
|
||
| // Collector collects l2vpn metrics | ||
| type l2vpnCollector struct { | ||
| } | ||
|
|
||
| // NewCollector creates a new collector | ||
| func NewCollector() collector.RPCCollector { | ||
| return &l2vpnCollector{} | ||
| } | ||
|
|
||
| // Name returns the name of the collector | ||
| func (*l2vpnCollector) Name() string { | ||
| return "L2 Circuit" | ||
| } | ||
|
|
||
| // Describe describes the metrics | ||
| func (*l2vpnCollector) Describe(ch chan<- *prometheus.Desc) { | ||
| ch <- l2vpnConnectionStateDesc | ||
| ch <- l2vpnConnectionsDesc | ||
| } | ||
|
|
||
| // Collect collects metrics from JunOS | ||
| func (c *l2vpnCollector) Collect(client collector.Client, ch chan<- prometheus.Metric, labelValues []string) error { | ||
| return c.collectl2vpnMetrics(client, ch, labelValues) | ||
| } | ||
|
|
||
| func (c *l2vpnCollector) collectl2vpnMetrics(client collector.Client, ch chan<- prometheus.Metric, labelValues []string) error { | ||
| var x = l2vpnRpc{} | ||
| err := client.RunCommandAndParse("show l2vpn connections", &x) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| instances := x.Information.RoutingInstances | ||
|
|
||
| for i := 0; i < len(instances); i++ { | ||
| connCount := 0 | ||
| for s := 0; s < len(instances[i].ReferenceSite); s++ { | ||
| connCount += +len(instances[i].ReferenceSite[s].Connections) | ||
| } | ||
| l := append(labelValues, instances[i].RoutingInstanceName) | ||
| ch <- prometheus.MustNewConstMetric(l2vpnConnectionsDesc, prometheus.GaugeValue, float64(connCount), l...) | ||
|
|
||
| } | ||
|
|
||
| for _, a := range instances { | ||
| for _, site := range a.ReferenceSite { | ||
| // l = append(l, site.ID) | ||
| for _, conn := range site.Connections { | ||
| l := append(labelValues, a.RoutingInstanceName) | ||
| // l = append(l, site.ID) | ||
| c.collectForConnection(ch, conn, l) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (c *l2vpnCollector) collectForConnection(ch chan<- prometheus.Metric, | ||
| conn l2vpnConnection, labelValues []string) { | ||
| id := conn.ID | ||
| remotePe := conn.RemotePe | ||
| lastChange := string_to_date(conn.LastChange) | ||
| upTransitions := conn.UpTransitions | ||
| localInterface := "" | ||
| if len(conn.LocalInterface) == 1 { | ||
| localInterface = conn.LocalInterface[0].Name | ||
| } | ||
|
|
||
| l := append(labelValues, id, remotePe, lastChange, upTransitions, localInterface) | ||
| state := l2vpnMap[conn.StatusString] | ||
|
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| ch <- prometheus.MustNewConstMetric(l2vpnConnectionStateDesc, prometheus.GaugeValue, float64(state), l...) | ||
| } | ||
|
|
||
| func string_to_date(date string) string { | ||
| layout := "Jan 2 15:04:05 2006" | ||
| t, err := time.Parse(layout, strings.TrimRight(date, " \n")) | ||
| if err != nil { | ||
| return "" | ||
| } | ||
| return strconv.FormatInt(t.Unix(), 10) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| package l2vpn | ||
|
|
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| type l2vpnRpc struct { | ||
| Information l2vpnInformation `xml:"l2vpn-connection-information"` | ||
| } | ||
|
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| type l2vpnInformation struct { | ||
| RoutingInstances []l2vpnRoutingInstance `xml:"instance"` | ||
| } | ||
|
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| type l2vpnRoutingInstance struct { | ||
| RoutingInstanceName string `xml:"instance-name"` | ||
| ReferenceSite []l2vpnReferenceSite `xml:"reference-site"` | ||
| } | ||
|
|
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| type l2vpnReferenceSite struct { | ||
| ID string `xml:"local-site-id"` | ||
| Connections []l2vpnConnection `xml:"connection"` | ||
| } | ||
|
|
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| type l2vpnConnection struct { | ||
| ID string `xml:"connection-id"` | ||
| Type string `xml:"connection-type"` | ||
| StatusString string `xml:"connection-status"` | ||
| RemotePe string `xml:"remote-pe"` | ||
| LastChange string `xml:"last-change"` | ||
| UpTransitions string `xml:"up-transitions"` | ||
| LocalInterface []l2vpnInterface `xml:"local-interface"` | ||
| } | ||
|
|
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| type l2vpnInterface struct { | ||
| Name string `xml:"interface-name"` | ||
| } |