diff --git a/cmd/postgres_exporter/main.go b/cmd/postgres_exporter/main.go index 64230106..cad77b96 100644 --- a/cmd/postgres_exporter/main.go +++ b/cmd/postgres_exporter/main.go @@ -19,6 +19,7 @@ import ( "os" "strings" + "github.com/alecthomas/kingpin/v2" "github.com/go-kit/log" "github.com/go-kit/log/level" "github.com/prometheus-community/postgres_exporter/collector" @@ -30,7 +31,6 @@ import ( "github.com/prometheus/common/version" "github.com/prometheus/exporter-toolkit/web" "github.com/prometheus/exporter-toolkit/web/kingpinflag" - "gopkg.in/alecthomas/kingpin.v2" ) var ( @@ -40,7 +40,7 @@ var ( configFile = kingpin.Flag("config.file", "Postgres exporter configuration file.").Default("postgres_exporter.yml").String() webConfig = kingpinflag.AddFlags(kingpin.CommandLine, ":9187") - metricPath = kingpin.Flag("web.telemetry-path", "Path under which to expose metrics.").Default("/metrics").Envar("PG_EXPORTER_WEB_TELEMETRY_PATH").String() + metricsPath = kingpin.Flag("web.telemetry-path", "Path under which to expose metrics.").Default("/metrics").Envar("PG_EXPORTER_WEB_TELEMETRY_PATH").String() disableDefaultMetrics = kingpin.Flag("disable-default-metrics", "Do not include default metrics.").Default("false").Envar("PG_EXPORTER_DISABLE_DEFAULT_METRICS").Bool() disableSettingsMetrics = kingpin.Flag("disable-settings-metrics", "Do not include pg_settings metrics.").Default("false").Envar("PG_EXPORTER_DISABLE_SETTINGS_METRICS").Bool() autoDiscoverDatabases = kingpin.Flag("auto-discover-databases", "Whether to discover the databases on a server dynamically.").Default("false").Envar("PG_EXPORTER_AUTO_DISCOVER_DATABASES").Bool() @@ -76,17 +76,6 @@ func main() { kingpin.Parse() logger = promlog.New(promlogConfig) - // landingPage contains the HTML served at '/'. - // TODO: Make this nicer and more informative. - var landingPage = []byte(` - Postgres exporter - -

Postgres exporter

-

Metrics

- - - `) - if *onlyDumpMaps { dumpMaps() return @@ -143,11 +132,27 @@ func main() { prometheus.MustRegister(pe) } - http.Handle(*metricPath, promhttp.Handler()) - http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { - w.Header().Set("Content-Type", "text/html; charset=UTF-8") // nolint: errcheck - w.Write(landingPage) // nolint: errcheck - }) + http.Handle(*metricsPath, promhttp.Handler()) + + if *metricsPath != "/" && *metricsPath != "" { + landingConfig := web.LandingConfig{ + Name: "Postgres Exporter", + Description: "Prometheus PostgreSQL server Exporter", + Version: version.Info(), + Links: []web.LandingLinks{ + { + Address: *metricsPath, + Text: "Metrics", + }, + }, + } + landingPage, err := web.NewLandingPage(landingConfig) + if err != nil { + level.Error(logger).Log("err", err) + os.Exit(1) + } + http.Handle("/", landingPage) + } http.HandleFunc("/probe", handleProbe(logger, excludedDatabases)) diff --git a/collector/collector.go b/collector/collector.go index 997fd62b..e8e418d1 100644 --- a/collector/collector.go +++ b/collector/collector.go @@ -21,10 +21,10 @@ import ( "sync" "time" + "github.com/alecthomas/kingpin/v2" "github.com/go-kit/log" "github.com/go-kit/log/level" "github.com/prometheus/client_golang/prometheus" - "gopkg.in/alecthomas/kingpin.v2" ) var ( diff --git a/go.mod b/go.mod index d6a5cc4c..c46bd99b 100644 --- a/go.mod +++ b/go.mod @@ -3,33 +3,34 @@ module github.com/prometheus-community/postgres_exporter go 1.19 require ( + github.com/alecthomas/kingpin/v2 v2.3.2 github.com/blang/semver/v4 v4.0.0 github.com/go-kit/log v0.2.1 github.com/lib/pq v1.10.7 github.com/prometheus/client_golang v1.14.0 github.com/prometheus/client_model v0.3.0 - github.com/prometheus/common v0.39.0 - github.com/prometheus/exporter-toolkit v0.8.2 - gopkg.in/alecthomas/kingpin.v2 v2.2.6 + github.com/prometheus/common v0.42.0 + github.com/prometheus/exporter-toolkit v0.9.1 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c gopkg.in/yaml.v2 v2.4.0 gopkg.in/yaml.v3 v3.0.1 ) require ( - github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 // indirect github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137 // indirect github.com/beorn7/perks v1.0.1 // indirect github.com/cespare/xxhash/v2 v2.1.2 // indirect - github.com/coreos/go-systemd/v22 v22.4.0 // indirect + github.com/coreos/go-systemd/v22 v22.5.0 // indirect github.com/go-logfmt/logfmt v0.5.1 // indirect github.com/golang/protobuf v1.5.2 // indirect github.com/jpillora/backoff v1.0.0 // indirect - github.com/kr/pretty v0.2.1 // indirect - github.com/kr/text v0.1.0 // indirect + github.com/kr/pretty v0.3.1 // indirect + github.com/kr/text v0.2.0 // indirect github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f // indirect - github.com/prometheus/procfs v0.8.0 // indirect + github.com/prometheus/procfs v0.9.0 // indirect + github.com/rogpeppe/go-internal v1.9.0 // indirect + github.com/xhit/go-str2duration/v2 v2.1.0 // indirect golang.org/x/crypto v0.7.0 // indirect golang.org/x/net v0.8.0 // indirect golang.org/x/oauth2 v0.6.0 // indirect diff --git a/go.sum b/go.sum index 3896acc0..99f2d172 100644 --- a/go.sum +++ b/go.sum @@ -1,5 +1,5 @@ -github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 h1:JYp7IbQjafoB+tBA3gMyHYHrpOtNuDiK/uB5uXxq5wM= -github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc= +github.com/alecthomas/kingpin/v2 v2.3.2 h1:H0aULhgmSzN8xQ3nX1uxtdlTHYoPLu5AhHxWrKI6ocU= +github.com/alecthomas/kingpin/v2 v2.3.2/go.mod h1:0gyi0zQnjuFk8xrkNKamJoyUo382HRL7ATRpFZCw6tE= github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137 h1:s6gZFSlWYmbqAuRjVTiNNhvNRfY2Wxp9nhfyel4rklc= github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137/go.mod h1:OMCwj8VM1Kc9e19TLln2VL61YJF0x1XFtfdL4JdbSyE= github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM= @@ -8,8 +8,9 @@ github.com/blang/semver/v4 v4.0.0 h1:1PFHFE6yCCTv8C1TeyNNarDzntLi7wMI5i/pzqYIsAM github.com/blang/semver/v4 v4.0.0/go.mod h1:IbckMUScFkM3pff0VJDNKRiT6TG/YpiHIM2yvyW5YoQ= github.com/cespare/xxhash/v2 v2.1.2 h1:YRXhKfTDauu4ajMg1TPgFO5jnlC2HCbmLXMcTG5cbYE= github.com/cespare/xxhash/v2 v2.1.2/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= -github.com/coreos/go-systemd/v22 v22.4.0 h1:y9YHcjnjynCd/DVbg5j9L/33jQM3MxJlbj/zWskzfGU= -github.com/coreos/go-systemd/v22 v22.4.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc= +github.com/coreos/go-systemd/v22 v22.5.0 h1:RrqgGjYQKalulkV8NGVIfkXQf6YYmOyiJKk8iXXhfZs= +github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc= +github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= github.com/go-kit/log v0.2.1 h1:MRVx0/zhvdseW+Gza6N9rVzU/IVzaeE1SFI4raAhmBU= @@ -24,35 +25,42 @@ github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaS github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw= github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY= github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= -github.com/google/go-cmp v0.5.8 h1:e6P7q2lk1O+qJJb4BtCQXlK8vWEO8V1ZeuEdJNOqZyg= +github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38= github.com/jpillora/backoff v1.0.0 h1:uvFg412JmmHBHw7iwprIxkPMI+sGQ4kzOWsMeHnm2EA= github.com/jpillora/backoff v1.0.0/go.mod h1:J/6gKK9jxlEcS3zixgDgUAsiuZ7yrSoa/FX5e0EB2j4= -github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI= github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI= +github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE= +github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk= github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= -github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE= github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= +github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY= +github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE= github.com/lib/pq v1.10.7 h1:p7ZhMD+KsSRozJr34udlUrhboJwWAgCg34+/ZZNvZZw= github.com/lib/pq v1.10.7/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o= github.com/matttproud/golang_protobuf_extensions v1.0.4 h1:mmDVorXM7PCGKw94cs5zkfA9PSy5pEvNWRP0ET0TIVo= github.com/matttproud/golang_protobuf_extensions v1.0.4/go.mod h1:BSXmuO+STAnVfrANrmjBb36TMTDstsz7MSK+HVaYKv4= github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f h1:KUppIJq7/+SVif2QVs3tOP0zanoHgBEVAwHxUSIzRqU= github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U= +github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA= github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= github.com/prometheus/client_golang v1.14.0 h1:nJdhIvne2eSX/XRAFV9PcvFFRbrjbcTUj0VP62TMhnw= github.com/prometheus/client_golang v1.14.0/go.mod h1:8vpkKitgIVNcqrRBWh1C4TIUQgYNtG/XQE4E/Zae36Y= github.com/prometheus/client_model v0.3.0 h1:UBgGFHqYdG/TPFD1B1ogZywDqEkwp3fBMvqdiQ7Xew4= github.com/prometheus/client_model v0.3.0/go.mod h1:LDGWKZIo7rky3hgvBe+caln+Dr3dPggB5dvjtD7w9+w= -github.com/prometheus/common v0.39.0 h1:oOyhkDq05hPZKItWVBkJ6g6AtGxi+fy7F4JvUV8uhsI= -github.com/prometheus/common v0.39.0/go.mod h1:6XBZ7lYdLCbkAVhwRsWTZn+IN5AB9F/NXd5w0BbEX0Y= -github.com/prometheus/exporter-toolkit v0.8.2 h1:sbJAfBXQFkG6sUkbwBun8MNdzW9+wd5YfPYofbmj0YM= -github.com/prometheus/exporter-toolkit v0.8.2/go.mod h1:00shzmJL7KxcsabLWcONwpyNEuWhREOnFqZW7vadFS0= -github.com/prometheus/procfs v0.8.0 h1:ODq8ZFEaYeCaZOJlZZdJA2AbQR98dSHSM1KW/You5mo= -github.com/prometheus/procfs v0.8.0/go.mod h1:z7EfXMXOkbkqb9IINtpCn86r/to3BnA0uaxHdg830/4= +github.com/prometheus/common v0.42.0 h1:EKsfXEYo4JpWMHH5cg+KOUWeuJSov1Id8zGR8eeI1YM= +github.com/prometheus/common v0.42.0/go.mod h1:xBwqVerjNdUDjgODMpudtOMwlOwf2SaTr1yjz4b7Zbc= +github.com/prometheus/exporter-toolkit v0.9.1 h1:cNkC01riqiOS+kh3zdnNwRsbe/Blh0WwK3ij5rPJ9Sw= +github.com/prometheus/exporter-toolkit v0.9.1/go.mod h1:iFlTmFISCix0vyuyBmm0UqOUCTao9+RsAsKJP3YM9ec= +github.com/prometheus/procfs v0.9.0 h1:wzCHvIvM5SxWqYvwgVL7yJY8Lz3PKn49KQtpgMYJfhI= +github.com/prometheus/procfs v0.9.0/go.mod h1:+pB4zwohETzFnmlpe6yd2lSc+0/46IYZRB/chUwxUZY= +github.com/rogpeppe/go-internal v1.9.0 h1:73kH8U+JUqXU8lRuOHeVHaa/SZPifC7BkcraZVejAe8= +github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs= github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4= -github.com/stretchr/testify v1.8.0 h1:pSgiaMZlXftHpm5L7V1+rVB+AZJydKsMxsQBIJw4PKk= +github.com/stretchr/testify v1.8.2 h1:+h33VjcLVPDHtOdpUCuF+7gSuG3yGIftsP1YvFihtJ8= +github.com/xhit/go-str2duration/v2 v2.1.0 h1:lxklc02Drh6ynqX+DdPyp5pCKLUQpRT8bp8Ydu2Bstc= +github.com/xhit/go-str2duration/v2 v2.1.0/go.mod h1:ohY8p+0f07DiV6Em5LKB0s2YpLtXVyJfNt1+BlmyAsU= golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= golang.org/x/crypto v0.7.0 h1:AvwMYaRytfdeVt3u6mLaxYtErKYjxA2OXjJ1HHq6t3A= golang.org/x/crypto v0.7.0/go.mod h1:pYwdfH91IfpZVANVyUOhSIPZaFoJGxTFbZhFTx+dXZU= @@ -79,8 +87,6 @@ google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp0 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc= google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w= google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I= -gopkg.in/alecthomas/kingpin.v2 v2.2.6 h1:jMFz6MfLP0/4fUyZle81rXUoxOBFi19VUFKVDOQfozc= -gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk= gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=