Add health collector (#70)
* Add health collector for voltage & temperature * Run gofmt * Add help text to health collector
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8578c271bb
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@ -90,6 +90,13 @@ func WithDHCPv6() Option {
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}
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}
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// WithHealth enables board Health metrics
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func WithHealth() Option {
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return func(c *collector) {
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c.collectors = append(c.collectors, newhealthCollector())
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}
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}
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// WithPOE enables PoE metrics
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func WithPOE() Option {
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return func(c *collector) {
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@ -207,7 +214,7 @@ func (c *collector) Collect(ch chan<- prometheus.Metric) {
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log.WithFields(log.Fields{
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"SRV": dev.Srv.Record,
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}).Info("SRV configuration detected")
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conf, _ := dns.ClientConfigFromFile("/etc/resolv.conf")
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conf, _ := dns.ClientConfigFromFile("/etc/resolv.conf")
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dnsServer := net.JoinHostPort(conf.Servers[0], strconv.Itoa(dnsPort))
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if (config.DnsServer{}) != dev.Srv.Dns {
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dnsServer = net.JoinHostPort(dev.Srv.Dns.Address, strconv.Itoa(dev.Srv.Dns.Port))
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@ -325,7 +332,7 @@ func (c *collector) connect(d *config.Device) (*routeros.Client, error) {
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log.WithField("device", d.Name).Debug("trying to Dial")
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if !c.enableTLS {
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if(d.Port) == "" {
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if (d.Port) == "" {
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d.Port = apiPort
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}
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conn, err = net.DialTimeout("tcp", d.Address+":"+d.Port, c.timeout)
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@ -337,7 +344,7 @@ func (c *collector) connect(d *config.Device) (*routeros.Client, error) {
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tlsCfg := &tls.Config{
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InsecureSkipVerify: c.insecureTLS,
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}
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if(d.Port) == "" {
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if (d.Port) == "" {
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d.Port = apiPortTLS
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}
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conn, err = tls.DialWithDialer(&net.Dialer{
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@ -1,10 +1,10 @@
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package collector
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import (
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"strings"
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"github.com/prometheus/client_golang/prometheus"
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log "github.com/sirupsen/logrus"
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"gopkg.in/routeros.v2/proto"
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"strings"
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)
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type dhcpLeaseCollector struct {
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@ -0,0 +1,93 @@
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package collector
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import (
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"strconv"
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"strings"
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"github.com/prometheus/client_golang/prometheus"
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log "github.com/sirupsen/logrus"
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"gopkg.in/routeros.v2/proto"
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)
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type healthCollector struct {
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props []string
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descriptions map[string]*prometheus.Desc
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}
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func newhealthCollector() routerOSCollector {
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c := &healthCollector{}
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c.init()
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return c
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}
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func (c *healthCollector) init() {
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c.props = []string{"voltage", "temperature"}
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labelNames := []string{"name", "address"}
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helpText := []string{"Input voltage to the RouterOS board, in volts", "Temperature of RouterOS board, in degrees Celsius"}
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c.descriptions = make(map[string]*prometheus.Desc)
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for i, p := range c.props {
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c.descriptions[p] = descriptionForPropertyNameHelpText("health", p, labelNames, helpText[i])
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}
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}
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func (c *healthCollector) describe(ch chan<- *prometheus.Desc) {
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for _, d := range c.descriptions {
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ch <- d
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}
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}
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func (c *healthCollector) collect(ctx *collectorContext) error {
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stats, err := c.fetch(ctx)
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if err != nil {
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return err
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}
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for _, re := range stats {
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c.collectForStat(re, ctx)
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}
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return nil
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}
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func (c *healthCollector) fetch(ctx *collectorContext) ([]*proto.Sentence, error) {
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reply, err := ctx.client.Run("/system/health/print", "=.proplist="+strings.Join(c.props, ","))
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if err != nil {
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log.WithFields(log.Fields{
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"device": ctx.device.Name,
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"error": err,
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}).Error("error fetching system health metrics")
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return nil, err
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}
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return reply.Re, nil
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}
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func (c *healthCollector) collectForStat(re *proto.Sentence, ctx *collectorContext) {
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for _, p := range c.props[:2] {
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c.collectMetricForProperty(p, re, ctx)
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}
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}
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func (c *healthCollector) collectMetricForProperty(property string, re *proto.Sentence, ctx *collectorContext) {
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var v float64
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var err error
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if re.Map[property] == "" {
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return
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}
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v, err = strconv.ParseFloat(re.Map[property], 64)
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if err != nil {
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log.WithFields(log.Fields{
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"device": ctx.device.Name,
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"property": property,
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"value": re.Map[property],
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"error": err,
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}).Error("error parsing system health metric value")
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return
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}
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desc := c.descriptions[property]
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ctx.ch <- prometheus.MustNewConstMetric(desc, prometheus.GaugeValue, v, ctx.device.Name, ctx.device.Address)
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}
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@ -13,9 +13,13 @@ func metricStringCleanup(in string) string {
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}
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func descriptionForPropertyName(prefix, property string, labelNames []string) *prometheus.Desc {
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return descriptionForPropertyNameHelpText(prefix, property, labelNames, property)
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}
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func descriptionForPropertyNameHelpText(prefix, property string, labelNames []string, helpText string) *prometheus.Desc {
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return prometheus.NewDesc(
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prometheus.BuildFQName(namespace, prefix, metricStringCleanup(property)),
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property,
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helpText,
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labelNames,
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nil,
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)
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@ -15,6 +15,7 @@ type Config struct {
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DHCP bool `yaml:"dhcp,omitempty"`
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DHCPL bool `yaml:"dhcpl,omitempty"`
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DHCPv6 bool `yaml:"dhcpv6,omitempty"`
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Health bool `yaml:"health,omitempty"`
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Routes bool `yaml:"routes,omitempty"`
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POE bool `yaml:"poe,omitempty"`
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Pools bool `yaml:"pools,omitempty"`
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7
main.go
7
main.go
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@ -41,6 +41,7 @@ var (
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withDHCP = flag.Bool("with-dhcp", false, "retrieves DHCP server metrics")
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withDHCPL = flag.Bool("with-dhcpl", false, "retrieves DHCP server lease metrics")
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withDHCPv6 = flag.Bool("with-dhcpv6", false, "retrieves DHCPv6 server metrics")
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withHealth = flag.Bool("with-health", false, "retrieves board Health metrics")
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withPOE = flag.Bool("with-poe", false, "retrieves PoE metrics")
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withPools = flag.Bool("with-pools", false, "retrieves IP(v6) pool metrics")
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withOptics = flag.Bool("with-optics", false, "retrieves optical diagnostic metrics")
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@ -124,7 +125,7 @@ func loadConfigFromFlags() (*config.Config, error) {
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Address: *address,
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User: *user,
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Password: *password,
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Port: *deviceport,
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Port: *deviceport,
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},
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},
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}, nil
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@ -198,6 +199,10 @@ func collectorOptions() []collector.Option {
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opts = append(opts, collector.WithDHCPv6())
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}
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if *withHealth || cfg.Features.Health {
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opts = append(opts, collector.WithHealth())
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}
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if *withPOE || cfg.Features.POE {
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opts = append(opts, collector.WithPOE())
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}
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