- Merge in metric handling patches from upstream

- Bump PORTREVISION
This commit is contained in:
Ryan Steinmetz 2019-03-19 16:07:57 +00:00
parent 2da2d29922
commit a3db24329f
Notes: svn2git 2021-03-31 03:12:20 +00:00
svn path=/head/; revision=496269
3 changed files with 157 additions and 13 deletions

View file

@ -3,7 +3,7 @@
PORTNAME= nsd_exporter
PORTVERSION= 0.1.0
PORTREVISION= 1
PORTREVISION= 2
CATEGORIES= net-mgmt
MAINTAINER= zi@FreeBSD.org
@ -34,6 +34,7 @@ USE_RC_SUBR= nsd_exporter
post-patch:
${REINPLACE_CMD} -e 's|"/etc|"${LOCALBASE}/etc|g' ${WRKSRC_go_nsdctl}/nsdctl.go
${REINPLACE_CMD} -e 's|"/etc|"${LOCALBASE}/etc|g' ${WRKSRC}/nsd_exporter.go
pre-build:
${MKDIR} ${GO_WRKDIR_SRC}/github.com/prometheus ${GO_WRKDIR_SRC}/gopkg.in \

View file

@ -1,4 +1,4 @@
TIMESTAMP = 1551277938
TIMESTAMP = 1553011211
SHA256 (optix2000-nsd_exporter-0.1.0_GH0.tar.gz) = 7fb9fae9f434e904e79eceaef9e5640e8be66d57384f87a9a6a85ab663dcf51c
SIZE (optix2000-nsd_exporter-0.1.0_GH0.tar.gz) = 8144
SHA256 (prometheus-client_golang-v0.8.0_GH0.tar.gz) = 88b0040393276116f848de5bdd636717d339667273cfc45a4edda40b5e5682bd

View file

@ -1,15 +1,14 @@
--- nsd_exporter.go.orig 2018-02-08 23:45:14 UTC
+++ nsd_exporter.go
@@ -19,7 +19,7 @@ import (
var listenAddr = flag.String("listen-address", ":8080", "The address to listen on for HTTP requests.")
var metricPath = flag.String("metric-path", "/metrics", "The path to export Prometheus metrocs to.")
var metricConfigPath = flag.String("metric-config", "", "Mapping file for metrics. Defaults to built in file for NSD 4.1.x. This allows you to add or change any metrics that this scrapes")
-var nsdConfig = flag.String("config-file", "/etc/nsd/nsd.conf", "Configuration file for nsd/unbound to autodetect configuration from. Defaults to /etc/nsd/nsd.conf. Mutually exclusive with -nsd-address, -cert, -key and -ca")
+var nsdConfig = flag.String("config-file", "/usr/local/etc/nsd/nsd.conf", "Configuration file for nsd/unbound to autodetect configuration from. Defaults to /usr/local/etc/nsd/nsd.conf. Mutually exclusive with -nsd-address, -cert, -key and -ca")
var nsdType = flag.String("type", "nsd", "What nsd-like daemon to scrape (nsd or unbound). Defaults to nsd")
var cert = flag.String("cert", "", "Client cert file location. Mutually exclusive with -config-file.")
var key = flag.String("key", "", "Client key file location. Mutually exclusive with -config-file.")
@@ -58,7 +58,7 @@ func (c *NSDCollector) Collect(ch chan<-
@@ -5,6 +5,7 @@ package main
import (
"bufio"
"flag"
+ "fmt"
"log"
"net/http"
"strconv"
@@ -58,10 +59,20 @@ func (c *NSDCollector) Collect(ch chan<-
s := bufio.NewScanner(r)
for s.Scan() {
line := strings.Split(s.Text(), "=")
@ -17,4 +16,148 @@
+ metricName := strings.TrimSpace(line[0])
m, ok := c.metrics[metricName]
if !ok {
log.Println("Unknown Metric ", metricName, ". Skipping.")
- log.Println("Unknown Metric ", metricName, ". Skipping.")
+ log.Println("New metric " + metricName + " found. Refreshing.")
+ // Try to update the metrics list
+ err = c.updateMetric(s.Text())
+ if err != nil {
+ log.Println(err.Error())
+ }
+ // Refetch metric
+ m, ok = c.metrics[metricName]
+ if !ok {
+ log.Println("Metric " + metricName + "not configured. Skipping")
+ }
continue
}
value, err := strconv.ParseFloat(line[1], 64)
@@ -84,7 +95,57 @@ func (c *NSDCollector) Collect(ch chan<-
}
-func (c *NSDCollector) updateMetricsList() error {
+func (c *NSDCollector) updateMetric(s string) error {
+ // Assume line is in "metric=#" format
+ line := strings.Split(s, "=")
+ metricName := strings.TrimSpace(line[0])
+
+ _, exists := c.metrics[metricName]
+ if !exists {
+ metricConf, ok := metricConfiguration.Metrics[metricName]
+ if ok {
+ promName := nsdToProm.Replace(line[0])
+ c.metrics[metricName] = &promMetric{
+ desc: prometheus.NewDesc(
+ prometheus.BuildFQName(*nsdType, "", promName),
+ metricConf.Help,
+ nil,
+ nil,
+ ),
+ valueType: metricConf.Type,
+ }
+ } else { // Try labeled metric
+ for _, v := range metricConfiguration.LabelMetrics {
+ labels := v.Regex.FindStringSubmatch(metricName)
+ if labels != nil {
+ var promName string
+ if v.Name != "" {
+ promName = v.Name
+ } else {
+ promName = nsdToProm.Replace(line[0])
+ }
+ c.metrics[metricName] = &promMetric{
+ desc: prometheus.NewDesc(
+ prometheus.BuildFQName(*nsdType, "", promName),
+ v.Help,
+ v.Labels,
+ nil,
+ ),
+ valueType: v.Type,
+ labels: labels[1:len(labels)],
+ }
+ // python "for-else"
+ goto Found
+ }
+ }
+ return fmt.Errorf("Metric ", metricName, " not found in config.")
+ Found:
+ }
+ }
+ return nil
+}
+
+func (c *NSDCollector) initMetricsList() error {
r, err := c.client.Command("stats_noreset")
if err != nil {
log.Println(err)
@@ -98,49 +159,9 @@ func (c *NSDCollector) updateMetricsList
// Grab metrics
s := bufio.NewScanner(r)
for s.Scan() {
- // Assume line is in "metric=#" format
- line := strings.Split(s.Text(), "=")
- metricName := line[0]
-
- _, exists := c.metrics[metricName]
- if !exists {
- metricConf, ok := metricConfiguration.Metrics[metricName]
- if ok {
- promName := nsdToProm.Replace(line[0])
- c.metrics[metricName] = &promMetric{
- desc: prometheus.NewDesc(
- prometheus.BuildFQName(*nsdType, "", promName),
- metricConf.Help,
- nil,
- nil,
- ),
- valueType: metricConf.Type,
- }
- } else { // Try labeled metric
- for _, v := range metricConfiguration.LabelMetrics {
- // TODO: Move this to Collect(), to catch any metrics that are created at runtime
- // Unfortunately prom needs all metrics defined at the beginning
- labels := v.Regex.FindStringSubmatch(metricName)
- if labels != nil {
- var promName string
- if v.Name != "" {
- promName = v.Name
- } else {
- promName = nsdToProm.Replace(line[0])
- }
- c.metrics[metricName] = &promMetric{
- desc: prometheus.NewDesc(
- prometheus.BuildFQName(*nsdType, "", promName),
- v.Help,
- v.Labels,
- nil,
- ),
- valueType: v.Type,
- labels: labels[1:len(labels)],
- }
- }
- }
- }
+ err = c.updateMetric(s.Text())
+ if err != nil {
+ log.Println(err.Error(), "Skipping.")
}
}
return s.Err()
@@ -156,7 +177,7 @@ func NewNSDCollector(nsdType string, hos
client: client,
}
- err = collector.updateMetricsList()
+ err = collector.initMetricsList()
if err != nil {
log.Println(err)
return nil, err
@@ -174,7 +195,7 @@ func NewNSDCollectorFromConfig(path stri
client: client,
}
- err = collector.updateMetricsList()
+ err = collector.initMetricsList()
if err != nil {
log.Println(err)
return nil, err