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node_exporter
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Add sys/class/net parsing from procfs and expose its metrics (#851) 

* add sys/class/net parsing from procfs and expose its metrics

Signed-off-by: Jan Klat <jenik@klatys.cz>

* change code to use int pointers per procfs change, move netclass to separate collector, change metric naming

Signed-off-by: Jan Klat <jenik@klatys.cz>

* bump year in licence, remove redundant newline, correct fixtures

Signed-off-by: Jan Klat <jenik@klatys.cz>

* fix style

Signed-off-by: Jan Klat <jenik@klatys.cz>

* change carrier changes to counter type

Signed-off-by: Jan Klat <jenik@klatys.cz>

* fix e2e output

Signed-off-by: Jan Klat <jenik@klatys.cz>

* add fixtures

Signed-off-by: Jan Klat <jenik@klatys.cz>

* update vendor, use fixtures correctly

Signed-off-by: Jan Klat <jenik@klatys.cz>

* change fixtures (device in /sys/class/net should be symlinked)

Signed-off-by: Jan Klat <jenik@klatys.cz>

* correct fixtures for 64k page, updated readme

Signed-off-by: Jan Klat <jenik@klatys.cz>
pull/1003/head
Jan Klat 6 years ago committed by Johannes 'fish' Ziemke
parent
09b4305090
commit
c4102f1175
9 changed files with 849 additions and 36 deletions
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  1. 1
      README.md
  2. 55
      collector/fixtures/e2e-64k-page-output.txt
  3. 55
      collector/fixtures/e2e-output.txt
  4. 519
      collector/fixtures/sys.ttar
  5. 173
      collector/netclass_linux.go
  6. 1
      end-to-end-test.sh
  7. 2
      vendor/github.com/prometheus/procfs/net_dev.go
  8. 73
      vendor/github.com/prometheus/procfs/sysfs/net_class.go
  9. 6
      vendor/vendor.json

1
README.md
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@ -41,6 +41,7 @@ ipvs | Exposes IPVS status from `/proc/net/ip_vs` and stats from `/proc/net/ip_v
loadavg | Exposes load average. | Darwin, Dragonfly, FreeBSD, Linux, NetBSD, OpenBSD, Solaris
mdadm | Exposes statistics about devices in `/proc/mdstat` (does nothing if no `/proc/mdstat` present). | Linux
meminfo | Exposes memory statistics. | Darwin, Dragonfly, FreeBSD, Linux, OpenBSD
netclass | Exposes network interface info from `/sys/class/net/` | Linux
netdev | Exposes network interface statistics such as bytes transferred. | Darwin, Dragonfly, FreeBSD, Linux, OpenBSD
netstat | Exposes network statistics from `/proc/net/netstat`. This is the same information as `netstat -s`. | Linux
nfs | Exposes NFS client statistics from `/proc/net/rpc/nfs`. This is the same information as `nfsstat -c`. | Linux

55
collector/fixtures/e2e-64k-page-output.txt
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@ -1669,6 +1669,51 @@ node_netstat_Udp_NoPorts 120
# HELP node_netstat_Udp_OutDatagrams Statistic UdpOutDatagrams.
# TYPE node_netstat_Udp_OutDatagrams untyped
node_netstat_Udp_OutDatagrams 53028
# HELP node_network_address_assign_type address_assign_type value of /sys/class/net/<iface>.
# TYPE node_network_address_assign_type gauge
node_network_address_assign_type{interface="eth0"} 3
# HELP node_network_carrier carrier value of /sys/class/net/<iface>.
# TYPE node_network_carrier gauge
node_network_carrier{interface="eth0"} 1
# HELP node_network_carrier_changes_total carrier_changes_total value of /sys/class/net/<iface>.
# TYPE node_network_carrier_changes_total counter
node_network_carrier_changes_total{interface="eth0"} 2
# HELP node_network_carrier_down_changes_total carrier_down_changes_total value of /sys/class/net/<iface>.
# TYPE node_network_carrier_down_changes_total counter
node_network_carrier_down_changes_total{interface="eth0"} 1
# HELP node_network_carrier_up_changes_total carrier_up_changes_total value of /sys/class/net/<iface>.
# TYPE node_network_carrier_up_changes_total counter
node_network_carrier_up_changes_total{interface="eth0"} 1
# HELP node_network_device_id device_id value of /sys/class/net/<iface>.
# TYPE node_network_device_id gauge
node_network_device_id{interface="eth0"} 32
# HELP node_network_dormant dormant value of /sys/class/net/<iface>.
# TYPE node_network_dormant gauge
node_network_dormant{interface="eth0"} 1
# HELP node_network_flags flags value of /sys/class/net/<iface>.
# TYPE node_network_flags gauge
node_network_flags{interface="eth0"} 4867
# HELP node_network_iface_id iface_id value of /sys/class/net/<iface>.
# TYPE node_network_iface_id gauge
node_network_iface_id{interface="eth0"} 2
# HELP node_network_iface_link iface_link value of /sys/class/net/<iface>.
# TYPE node_network_iface_link gauge
node_network_iface_link{interface="eth0"} 2
# HELP node_network_iface_link_mode iface_link_mode value of /sys/class/net/<iface>.
# TYPE node_network_iface_link_mode gauge
node_network_iface_link_mode{interface="eth0"} 1
# HELP node_network_mtu_bytes mtu_bytes value of /sys/class/net/<iface>.
# TYPE node_network_mtu_bytes gauge
node_network_mtu_bytes{interface="eth0"} 1500
# HELP node_network_name_assign_type name_assign_type value of /sys/class/net/<iface>.
# TYPE node_network_name_assign_type gauge
node_network_name_assign_type{interface="eth0"} 2
# HELP node_network_net_dev_group net_dev_group value of /sys/class/net/<iface>.
# TYPE node_network_net_dev_group gauge
node_network_net_dev_group{interface="eth0"} 0
# HELP node_network_protocol_type protocol_type value of /sys/class/net/<iface>.
# TYPE node_network_protocol_type gauge
node_network_protocol_type{interface="eth0"} 1
# HELP node_network_receive_bytes_total Network device statistic receive_bytes.
# TYPE node_network_receive_bytes_total counter
node_network_receive_bytes_total{device="docker0"} 6.4910168e+07
@ -1765,6 +1810,9 @@ node_network_receive_packets_total{device="tun0"} 24
node_network_receive_packets_total{device="veth4B09XN"} 8
node_network_receive_packets_total{device="wlan0"} 1.3899359e+07
node_network_receive_packets_total{device="💩0"} 105557
# HELP node_network_speed_bytes speed_bytes value of /sys/class/net/<iface>.
# TYPE node_network_speed_bytes gauge
node_network_speed_bytes{interface="eth0"} 1.25e+08
# HELP node_network_transmit_bytes_total Network device statistic transmit_bytes.
# TYPE node_network_transmit_bytes_total counter
node_network_transmit_bytes_total{device="docker0"} 2.681662018e+09
@ -1861,6 +1909,12 @@ node_network_transmit_packets_total{device="tun0"} 934
node_network_transmit_packets_total{device="veth4B09XN"} 10640
node_network_transmit_packets_total{device="wlan0"} 1.17262e+07
node_network_transmit_packets_total{device="💩0"} 304261
# HELP node_network_transmit_queue_length transmit_queue_length value of /sys/class/net/<iface>.
# TYPE node_network_transmit_queue_length gauge
node_network_transmit_queue_length{interface="eth0"} 1000
# HELP node_network_up Valid operstate for interface.
# TYPE node_network_up gauge
node_network_up{address="01:01:01:01:01:01",broadcast="ff:ff:ff:ff:ff:ff",duplex="full",ifalias="",interface="eth0",operstate="up"} 1
# HELP node_nf_conntrack_entries Number of currently allocated flow entries for connection tracking.
# TYPE node_nf_conntrack_entries gauge
node_nf_conntrack_entries 123
@ -2165,6 +2219,7 @@ node_scrape_collector_success{collector="mdadm"} 1
node_scrape_collector_success{collector="meminfo"} 1
node_scrape_collector_success{collector="meminfo_numa"} 1
node_scrape_collector_success{collector="mountstats"} 1
node_scrape_collector_success{collector="netclass"} 1
node_scrape_collector_success{collector="netdev"} 1
node_scrape_collector_success{collector="netstat"} 1
node_scrape_collector_success{collector="nfs"} 1

55
collector/fixtures/e2e-output.txt
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@ -1669,6 +1669,51 @@ node_netstat_Udp_NoPorts 120
# HELP node_netstat_Udp_OutDatagrams Statistic UdpOutDatagrams.
# TYPE node_netstat_Udp_OutDatagrams untyped
node_netstat_Udp_OutDatagrams 53028
# HELP node_network_address_assign_type address_assign_type value of /sys/class/net/<iface>.
# TYPE node_network_address_assign_type gauge
node_network_address_assign_type{interface="eth0"} 3
# HELP node_network_carrier carrier value of /sys/class/net/<iface>.
# TYPE node_network_carrier gauge
node_network_carrier{interface="eth0"} 1
# HELP node_network_carrier_changes_total carrier_changes_total value of /sys/class/net/<iface>.
# TYPE node_network_carrier_changes_total counter
node_network_carrier_changes_total{interface="eth0"} 2
# HELP node_network_carrier_down_changes_total carrier_down_changes_total value of /sys/class/net/<iface>.
# TYPE node_network_carrier_down_changes_total counter
node_network_carrier_down_changes_total{interface="eth0"} 1
# HELP node_network_carrier_up_changes_total carrier_up_changes_total value of /sys/class/net/<iface>.
# TYPE node_network_carrier_up_changes_total counter
node_network_carrier_up_changes_total{interface="eth0"} 1
# HELP node_network_device_id device_id value of /sys/class/net/<iface>.
# TYPE node_network_device_id gauge
node_network_device_id{interface="eth0"} 32
# HELP node_network_dormant dormant value of /sys/class/net/<iface>.
# TYPE node_network_dormant gauge
node_network_dormant{interface="eth0"} 1
# HELP node_network_flags flags value of /sys/class/net/<iface>.
# TYPE node_network_flags gauge
node_network_flags{interface="eth0"} 4867
# HELP node_network_iface_id iface_id value of /sys/class/net/<iface>.
# TYPE node_network_iface_id gauge
node_network_iface_id{interface="eth0"} 2
# HELP node_network_iface_link iface_link value of /sys/class/net/<iface>.
# TYPE node_network_iface_link gauge
node_network_iface_link{interface="eth0"} 2
# HELP node_network_iface_link_mode iface_link_mode value of /sys/class/net/<iface>.
# TYPE node_network_iface_link_mode gauge
node_network_iface_link_mode{interface="eth0"} 1
# HELP node_network_mtu_bytes mtu_bytes value of /sys/class/net/<iface>.
# TYPE node_network_mtu_bytes gauge
node_network_mtu_bytes{interface="eth0"} 1500
# HELP node_network_name_assign_type name_assign_type value of /sys/class/net/<iface>.
# TYPE node_network_name_assign_type gauge
node_network_name_assign_type{interface="eth0"} 2
# HELP node_network_net_dev_group net_dev_group value of /sys/class/net/<iface>.
# TYPE node_network_net_dev_group gauge
node_network_net_dev_group{interface="eth0"} 0
# HELP node_network_protocol_type protocol_type value of /sys/class/net/<iface>.
# TYPE node_network_protocol_type gauge
node_network_protocol_type{interface="eth0"} 1
# HELP node_network_receive_bytes_total Network device statistic receive_bytes.
# TYPE node_network_receive_bytes_total counter
node_network_receive_bytes_total{device="docker0"} 6.4910168e+07
@ -1765,6 +1810,9 @@ node_network_receive_packets_total{device="tun0"} 24
node_network_receive_packets_total{device="veth4B09XN"} 8
node_network_receive_packets_total{device="wlan0"} 1.3899359e+07
node_network_receive_packets_total{device="💩0"} 105557
# HELP node_network_speed_bytes speed_bytes value of /sys/class/net/<iface>.
# TYPE node_network_speed_bytes gauge
node_network_speed_bytes{interface="eth0"} 1.25e+08
# HELP node_network_transmit_bytes_total Network device statistic transmit_bytes.
# TYPE node_network_transmit_bytes_total counter
node_network_transmit_bytes_total{device="docker0"} 2.681662018e+09
@ -1861,6 +1909,12 @@ node_network_transmit_packets_total{device="tun0"} 934
node_network_transmit_packets_total{device="veth4B09XN"} 10640
node_network_transmit_packets_total{device="wlan0"} 1.17262e+07
node_network_transmit_packets_total{device="💩0"} 304261
# HELP node_network_transmit_queue_length transmit_queue_length value of /sys/class/net/<iface>.
# TYPE node_network_transmit_queue_length gauge
node_network_transmit_queue_length{interface="eth0"} 1000
# HELP node_network_up Valid operstate for interface.
# TYPE node_network_up gauge
node_network_up{address="01:01:01:01:01:01",broadcast="ff:ff:ff:ff:ff:ff",duplex="full",ifalias="",interface="eth0",operstate="up"} 1
# HELP node_nf_conntrack_entries Number of currently allocated flow entries for connection tracking.
# TYPE node_nf_conntrack_entries gauge
node_nf_conntrack_entries 123
@ -2165,6 +2219,7 @@ node_scrape_collector_success{collector="mdadm"} 1
node_scrape_collector_success{collector="meminfo"} 1
node_scrape_collector_success{collector="meminfo_numa"} 1
node_scrape_collector_success{collector="mountstats"} 1
node_scrape_collector_success{collector="netclass"} 1
node_scrape_collector_success{collector="netdev"} 1
node_scrape_collector_success{collector="netstat"} 1
node_scrape_collector_success{collector="nfs"} 1

519
collector/fixtures/sys.ttar
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@ -299,6 +299,21 @@ Mode: 755
Directory: sys/class/net/bond0
Mode: 755
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Path: sys/class/net/bond0/addr_assign_type
Lines: 1
3
Mode: 644
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Path: sys/class/net/bond0/addr_len
Lines: 1
6
Mode: 644
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Path: sys/class/net/bond0/address
Lines: 1
01:01:01:01:01:01
Mode: 644
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Directory: sys/class/net/bond0/bonding
Mode: 755
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@ -306,6 +321,117 @@ Path: sys/class/net/bond0/bonding/slaves
Lines: 0
Mode: 644
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Path: sys/class/net/bond0/broadcast
Lines: 1
ff:ff:ff:ff:ff:ff
Mode: 644
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Path: sys/class/net/bond0/carrier
Lines: 1
1
Mode: 644
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Path: sys/class/net/bond0/carrier_changes
Lines: 1
2
Mode: 644
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Path: sys/class/net/bond0/carrier_down_count
Lines: 1
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Mode: 644
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Path: sys/class/net/bond0/carrier_up_count
Lines: 1
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Path: sys/class/net/bond0/dev_id
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Mode: 644
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Path: sys/class/net/bond0/duplex
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Path: sys/class/net/bond0/flags
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0x1303
Mode: 644
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Mode: 644
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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Lines: 1
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Mode: 644
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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Lines: 1
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Mode: 644
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Path: sys/class/net/bond0/name_assign_type
Lines: 1
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Mode: 644
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Path: sys/class/net/bond0/netdev_group
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Mode: 644
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Path: sys/class/net/bond0/operstate
Lines: 1
up
Mode: 644
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Path: sys/class/net/bond0/phys_port_id
Lines: 0
Mode: 644
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Path: sys/class/net/bond0/phys_port_name
Lines: 0
Mode: 644
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Path: sys/class/net/bond0/phys_switch_id
Lines: 0
Mode: 644
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Path: sys/class/net/bond0/speed
Lines: 1
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Mode: 644
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Path: sys/class/net/bond0/tx_queue_len
Lines: 1
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Mode: 644
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Path: sys/class/net/bond0/type
Lines: 1
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Mode: 644
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Path: sys/class/net/bonding_masters
Lines: 1
bond0 dmz int
@ -314,6 +440,21 @@ Mode: 644
Directory: sys/class/net/dmz
Mode: 755
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Path: sys/class/net/dmz/addr_assign_type
Lines: 1
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Mode: 644
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Path: sys/class/net/dmz/addr_len
Lines: 1
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Mode: 644
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Path: sys/class/net/dmz/address
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Mode: 644
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Directory: sys/class/net/dmz/bonding
Mode: 755
# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@ -322,6 +463,102 @@ Lines: 1
eth0 eth4
Mode: 644
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Path: sys/class/net/dmz/broadcast
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Path: sys/class/net/dmz/carrier_up_count
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173
collector/netclass_linux.go
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@ -0,0 +1,173 @@
// Copyright 2018 The Prometheus Authors
// 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.
// +build !nonetclass
// +build linux
package collector
import (
"fmt"
"regexp"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/procfs/sysfs"
"gopkg.in/alecthomas/kingpin.v2"
)
var (
netclassIgnoredDevices = kingpin.Flag("collector.netclass.ignored-devices", "Regexp of net devices to ignore for netclass collector.").Default("^$").String()
)
type netClassCollector struct {
subsystem string
ignoredDevicesPattern *regexp.Regexp
metricDescs map[string]*prometheus.Desc
}
func init() {
registerCollector("netclass", defaultEnabled, NewNetClassCollector)
}
// NewNetClassCollector returns a new Collector exposing network class stats.
func NewNetClassCollector() (Collector, error) {
pattern := regexp.MustCompile(*netclassIgnoredDevices)
return &netClassCollector{
subsystem: "network",
ignoredDevicesPattern: pattern,
metricDescs: map[string]*prometheus.Desc{},
}, nil
}
func (c *netClassCollector) Update(ch chan<- prometheus.Metric) error {
netClass, err := getNetClassInfo(c.ignoredDevicesPattern)
if err != nil {
return fmt.Errorf("could not get net class info: %s", err)
}
for _, ifaceInfo := range netClass {
upDesc := prometheus.NewDesc(
prometheus.BuildFQName(namespace, c.subsystem, "up"),
"Valid operstate for interface.",
[]string{"interface", "address", "broadcast", "duplex", "operstate", "ifalias"},
nil,
)
upValue := 0.0
if ifaceInfo.OperState == "up" {
upValue = 1.0
}
ch <- prometheus.MustNewConstMetric(upDesc, prometheus.GaugeValue, upValue, ifaceInfo.Name, ifaceInfo.Address, ifaceInfo.Broadcast, ifaceInfo.Duplex, ifaceInfo.OperState, ifaceInfo.IfAlias)
if ifaceInfo.AddrAssignType != nil {
pushMetric(ch, c.subsystem, "address_assign_type", *ifaceInfo.AddrAssignType, ifaceInfo.Name, prometheus.GaugeValue)
}
if ifaceInfo.Carrier != nil {
pushMetric(ch, c.subsystem, "carrier", *ifaceInfo.Carrier, ifaceInfo.Name, prometheus.GaugeValue)
}
if ifaceInfo.CarrierChanges != nil {
pushMetric(ch, c.subsystem, "carrier_changes_total", *ifaceInfo.CarrierChanges, ifaceInfo.Name, prometheus.CounterValue)
}
if ifaceInfo.CarrierUpCount != nil {
pushMetric(ch, c.subsystem, "carrier_up_changes_total", *ifaceInfo.CarrierUpCount, ifaceInfo.Name, prometheus.CounterValue)
}
if ifaceInfo.CarrierDownCount != nil {
pushMetric(ch, c.subsystem, "carrier_down_changes_total", *ifaceInfo.CarrierDownCount, ifaceInfo.Name, prometheus.CounterValue)
}
if ifaceInfo.DevID != nil {
pushMetric(ch, c.subsystem, "device_id", *ifaceInfo.DevID, ifaceInfo.Name, prometheus.GaugeValue)
}
if ifaceInfo.Dormant != nil {
pushMetric(ch, c.subsystem, "dormant", *ifaceInfo.Dormant, ifaceInfo.Name, prometheus.GaugeValue)
}
if ifaceInfo.Flags != nil {
pushMetric(ch, c.subsystem, "flags", *ifaceInfo.Flags, ifaceInfo.Name, prometheus.GaugeValue)
}
if ifaceInfo.IfIndex != nil {
pushMetric(ch, c.subsystem, "iface_id", *ifaceInfo.IfIndex, ifaceInfo.Name, prometheus.GaugeValue)
}
if ifaceInfo.IfLink != nil {
pushMetric(ch, c.subsystem, "iface_link", *ifaceInfo.IfLink, ifaceInfo.Name, prometheus.GaugeValue)
}
if ifaceInfo.LinkMode != nil {
pushMetric(ch, c.subsystem, "iface_link_mode", *ifaceInfo.LinkMode, ifaceInfo.Name, prometheus.GaugeValue)
}
if ifaceInfo.MTU != nil {
pushMetric(ch, c.subsystem, "mtu_bytes", *ifaceInfo.MTU, ifaceInfo.Name, prometheus.GaugeValue)
}
if ifaceInfo.NameAssignType != nil {
pushMetric(ch, c.subsystem, "name_assign_type", *ifaceInfo.NameAssignType, ifaceInfo.Name, prometheus.GaugeValue)
}
if ifaceInfo.NetDevGroup != nil {
pushMetric(ch, c.subsystem, "net_dev_group", *ifaceInfo.NetDevGroup, ifaceInfo.Name, prometheus.GaugeValue)
}
if ifaceInfo.Speed != nil {
speedBytes := int64(*ifaceInfo.Speed / 8 * 1000 * 1000)
pushMetric(ch, c.subsystem, "speed_bytes", speedBytes, ifaceInfo.Name, prometheus.GaugeValue)
}
if ifaceInfo.TxQueueLen != nil {
pushMetric(ch, c.subsystem, "transmit_queue_length", *ifaceInfo.TxQueueLen, ifaceInfo.Name, prometheus.GaugeValue)
}
if ifaceInfo.Type != nil {
pushMetric(ch, c.subsystem, "protocol_type", *ifaceInfo.Type, ifaceInfo.Name, prometheus.GaugeValue)
}
}
return nil
}
func pushMetric(ch chan<- prometheus.Metric, subsystem string, name string, value int64, ifaceName string, valueType prometheus.ValueType) {
fieldDesc := prometheus.NewDesc(
prometheus.BuildFQName(namespace, subsystem, name),
fmt.Sprintf("%s value of /sys/class/net/<iface>.", name),
[]string{"interface"},
nil,
)
ch <- prometheus.MustNewConstMetric(fieldDesc, valueType, float64(value), ifaceName)
}
func getNetClassInfo(ignore *regexp.Regexp) (sysfs.NetClass, error) {
fs, err := sysfs.NewFS(*sysPath)
if err != nil {
return nil, err
}
netClass, err := fs.NewNetClass()
if err != nil {
return netClass, fmt.Errorf("error obtaining net class info: %s", err)
}
for device := range netClass {
if ignore.MatchString(device) {
delete(netClass, device)
}
}
return netClass, nil
}

1
end-to-end-test.sh
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@ -98,6 +98,7 @@ fi
--collector.textfile.directory="collector/fixtures/textfile/two_metric_files/" \
--collector.wifi.fixtures="collector/fixtures/wifi" \
--collector.qdisc.fixtures="collector/fixtures/qdisc/" \
--collector.netclass.ignored-devices="(bond0|dmz|int)" \
--web.listen-address "127.0.0.1:${port}" \
--log.level="debug" > "${tmpdir}/node_exporter.log" 2>&1 &

2
vendor/github.com/prometheus/procfs/net_dev.go generated vendored
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@ -184,7 +184,7 @@ func (nd NetDev) parseLine(rawLine string) (*NetDevLine, error) {
}
// Total aggregates the values across interfaces and returns a new NetDevLine.
// The Name field will be a sorted comma seperated list of interface names.
// The Name field will be a sorted comma separated list of interface names.
func (nd NetDev) Total() NetDevLine {
total := NetDevLine{}

73
vendor/github.com/prometheus/procfs/sysfs/net_class.go generated vendored
Unescape View File

@ -27,32 +27,32 @@ import (
// for single interface (iface).
type NetClassIface struct {
Name string // Interface name
AddrAssignType int64 `fileName:"addr_assign_type"` // /sys/class/net/<iface>/addr_assign_type
AddrLen int64 `fileName:"addr_len"` // /sys/class/net/<iface>/addr_len
AddrAssignType *int64 `fileName:"addr_assign_type"` // /sys/class/net/<iface>/addr_assign_type
AddrLen *int64 `fileName:"addr_len"` // /sys/class/net/<iface>/addr_len
Address string `fileName:"address"` // /sys/class/net/<iface>/address
Broadcast string `fileName:"broadcast"` // /sys/class/net/<iface>/broadcast
Carrier int64 `fileName:"carrier"` // /sys/class/net/<iface>/carrier
CarrierChanges int64 `fileName:"carrier_changes"` // /sys/class/net/<iface>/carrier_changes
CarrierUpCount int64 `fileName:"carrier_up_count"` // /sys/class/net/<iface>/carrier_up_count
CarrierDownCount int64 `fileName:"carrier_down_count"` // /sys/class/net/<iface>/carrier_down_count
DevID int64 `fileName:"dev_id"` // /sys/class/net/<iface>/dev_id
Dormant int64 `fileName:"dormant"` // /sys/class/net/<iface>/dormant
Carrier *int64 `fileName:"carrier"` // /sys/class/net/<iface>/carrier
CarrierChanges *int64 `fileName:"carrier_changes"` // /sys/class/net/<iface>/carrier_changes
CarrierUpCount *int64 `fileName:"carrier_up_count"` // /sys/class/net/<iface>/carrier_up_count
CarrierDownCount *int64 `fileName:"carrier_down_count"` // /sys/class/net/<iface>/carrier_down_count
DevID *int64 `fileName:"dev_id"` // /sys/class/net/<iface>/dev_id
Dormant *int64 `fileName:"dormant"` // /sys/class/net/<iface>/dormant
Duplex string `fileName:"duplex"` // /sys/class/net/<iface>/duplex
Flags int64 `fileName:"flags"` // /sys/class/net/<iface>/flags
Flags *int64 `fileName:"flags"` // /sys/class/net/<iface>/flags
IfAlias string `fileName:"ifalias"` // /sys/class/net/<iface>/ifalias
IfIndex int64 `fileName:"ifindex"` // /sys/class/net/<iface>/ifindex
IfLink int64 `fileName:"iflink"` // /sys/class/net/<iface>/iflink
LinkMode int64 `fileName:"link_mode"` // /sys/class/net/<iface>/link_mode
MTU int64 `fileName:"mtu"` // /sys/class/net/<iface>/mtu
NameAssignType int64 `fileName:"name_assign_type"` // /sys/class/net/<iface>/name_assign_type
NetDevGroup int64 `fileName:"netdev_group"` // /sys/class/net/<iface>/netdev_group
IfIndex *int64 `fileName:"ifindex"` // /sys/class/net/<iface>/ifindex
IfLink *int64 `fileName:"iflink"` // /sys/class/net/<iface>/iflink
LinkMode *int64 `fileName:"link_mode"` // /sys/class/net/<iface>/link_mode
MTU *int64 `fileName:"mtu"` // /sys/class/net/<iface>/mtu
NameAssignType *int64 `fileName:"name_assign_type"` // /sys/class/net/<iface>/name_assign_type
NetDevGroup *int64 `fileName:"netdev_group"` // /sys/class/net/<iface>/netdev_group
OperState string `fileName:"operstate"` // /sys/class/net/<iface>/operstate
PhysPortID string `fileName:"phys_port_id"` // /sys/class/net/<iface>/phys_port_id
PhysPortName string `fileName:"phys_port_name"` // /sys/class/net/<iface>/phys_port_name
PhysSwitchID string `fileName:"phys_switch_id"` // /sys/class/net/<iface>/phys_switch_id
Speed int64 `fileName:"speed"` // /sys/class/net/<iface>/speed
TxQueueLen int64 `fileName:"tx_queue_len"` // /sys/class/net/<iface>/tx_queue_len
Type int64 `fileName:"type"` // /sys/class/net/<iface>/type
Speed *int64 `fileName:"speed"` // /sys/class/net/<iface>/speed
TxQueueLen *int64 `fileName:"tx_queue_len"` // /sys/class/net/<iface>/tx_queue_len
Type *int64 `fileName:"type"` // /sys/class/net/<iface>/type
}
// NetClass is collection of info for every interface (iface) in /sys/class/net. The map keys
@ -80,6 +80,9 @@ func (fs FS) NewNetClass() (NetClass, error) {
netClass := NetClass{}
for _, deviceDir := range devices {
if deviceDir.Mode().IsRegular() {
continue
}
interfaceClass, err := netClass.parseNetClassIface(path + "/" + deviceDir.Name())
if err != nil {
return nil, err
@ -117,22 +120,28 @@ func (nc NetClass) parseNetClassIface(devicePath string) (*NetClassIface, error)
value := strings.TrimSpace(string(fileContents))
switch fieldValue.Kind() {
case reflect.Int64:
if strings.HasPrefix(value, "0x") {
intValue, err := strconv.ParseInt(value[2:], 16, 64)
if err != nil {
return nil, fmt.Errorf("expected hex value for %s, got: %s", fieldType.Name, value)
}
fieldValue.SetInt(intValue)
} else {
intValue, err := strconv.ParseInt(value, 10, 64)
if err != nil {
return nil, fmt.Errorf("expected Uint64 value for %s, got: %s", fieldType.Name, value)
}
fieldValue.SetInt(intValue)
}
case reflect.String:
fieldValue.SetString(value)
case reflect.Ptr:
var int64ptr *int64
switch fieldValue.Type() {
case reflect.TypeOf(int64ptr):
var intValue int64
if strings.HasPrefix(value, "0x") {
intValue, err = strconv.ParseInt(value[2:], 16, 64)
if err != nil {
return nil, fmt.Errorf("expected hex value for %s, got: %s", fieldType.Name, value)
}
} else {
intValue, err = strconv.ParseInt(value, 10, 64)
if err != nil {
return nil, fmt.Errorf("expected Uint64 value for %s, got: %s", fieldType.Name, value)
}
}
fieldValue.Set(reflect.ValueOf(&intValue))
default:
return nil, fmt.Errorf("unhandled pointer type %q", fieldValue.Type())
}
default:
return nil, fmt.Errorf("unhandled type %q", fieldValue.Kind())
}

6
vendor/vendor.json vendored
Unescape View File

@ -163,10 +163,10 @@
"revisionTime": "2018-03-26T16:04:09Z"
},
{
"checksumSHA1": "Etvt6mgzvD7ARf4Ux03LHfgSlzU=",
"checksumSHA1": "qG0ClCTt2wuQnYLsFvtlQB8J5FQ=",
"path": "github.com/prometheus/procfs",
"revision": "780932d4fbbe0e69b84c34c20f5c8d0981e109ea",
"revisionTime": "2018-03-21T23:08:12Z"
"revision": "add1f1c0b8971a8cdb88ab8bb152878e5074780b",
"revisionTime": "2018-05-31T12:13:16Z"
},
{
"checksumSHA1": "O64FotgWPYIpl3m2gvTEPIem+xg=",

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