Browse Source

Added Prometheus metrics, don't forget to restrict access on /metrics endpoint.

thegreatrefactor
Gisle Aune 6 years ago
parent
commit
d5573e7f39
  1. 8
      cmd/rpdata-server/main.go
  2. 16
      go.mod
  3. 59
      go.sum
  4. 143
      internal/instrumentation/prometheus.go

8
cmd/rpdata-server/main.go

@ -10,12 +10,14 @@ import (
"git.aiterp.net/rpdata/api/graph2" "git.aiterp.net/rpdata/api/graph2"
"git.aiterp.net/rpdata/api/internal/auth" "git.aiterp.net/rpdata/api/internal/auth"
"git.aiterp.net/rpdata/api/internal/instrumentation"
"git.aiterp.net/rpdata/api/internal/loader" "git.aiterp.net/rpdata/api/internal/loader"
"git.aiterp.net/rpdata/api/internal/store" "git.aiterp.net/rpdata/api/internal/store"
"git.aiterp.net/rpdata/api/models" "git.aiterp.net/rpdata/api/models"
"git.aiterp.net/rpdata/api/models/changes" "git.aiterp.net/rpdata/api/models/changes"
"git.aiterp.net/rpdata/api/models/logs" "git.aiterp.net/rpdata/api/models/logs"
"github.com/99designs/gqlgen/handler" "github.com/99designs/gqlgen/handler"
"github.com/prometheus/client_golang/prometheus/promhttp"
) )
func main() { func main() {
@ -24,9 +26,13 @@ func main() {
log.Fatalln("Failed to init store:", err) log.Fatalln("Failed to init store:", err)
} }
instrumentation.Register()
http.Handle("/", handler.Playground("RPData API", "/graphql")) http.Handle("/", handler.Playground("RPData API", "/graphql"))
http.Handle("/graphql", queryHandler()) http.Handle("/graphql", queryHandler())
http.Handle("/metrics", promhttp.Handler())
go func() { go func() {
err := logs.RunFullUpdate() err := logs.RunFullUpdate()
if err != nil { if err != nil {
@ -81,6 +87,8 @@ func queryHandler() http.HandlerFunc {
return fmt.Errorf("The server failed to serve your request due to an internal error, it has been logged") return fmt.Errorf("The server failed to serve your request due to an internal error, it has been logged")
}), }),
handler.ComplexityLimit(300), handler.ComplexityLimit(300),
handler.RequestMiddleware(instrumentation.RequestMiddleware()),
handler.ResolverMiddleware(instrumentation.ResolverMiddleware()),
) )
return func(w http.ResponseWriter, r *http.Request) { return func(w http.ResponseWriter, r *http.Request) {

16
go.mod

@ -5,12 +5,14 @@ go 1.12
require ( require (
github.com/99designs/gqlgen v0.8.0 github.com/99designs/gqlgen v0.8.0
github.com/agnivade/levenshtein v1.0.1 github.com/agnivade/levenshtein v1.0.1
github.com/beorn7/perks v1.0.0 // indirect
github.com/davecgh/go-spew v1.1.1 github.com/davecgh/go-spew v1.1.1
github.com/dgrijalva/jwt-go v3.2.0+incompatible github.com/dgrijalva/jwt-go v3.2.0+incompatible
github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4 github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4
github.com/globalsign/mgo v0.0.0-20180403085842-f76e4f9da92e github.com/globalsign/mgo v0.0.0-20180403085842-f76e4f9da92e
github.com/go-ini/ini v1.35.0 github.com/go-ini/ini v1.35.0
github.com/go-sql-driver/mysql v1.4.0 github.com/go-sql-driver/mysql v1.4.0
github.com/golang/protobuf v1.3.1 // indirect
github.com/gorilla/websocket v1.4.0 github.com/gorilla/websocket v1.4.0
github.com/graph-gophers/dataloader v0.0.0-20180104184831-78139374585c github.com/graph-gophers/dataloader v0.0.0-20180104184831-78139374585c
github.com/hashicorp/golang-lru v0.5.0 github.com/hashicorp/golang-lru v0.5.0
@ -20,15 +22,21 @@ require (
github.com/opentracing/opentracing-go v1.0.2 github.com/opentracing/opentracing-go v1.0.2
github.com/pkg/errors v0.8.1 github.com/pkg/errors v0.8.1
github.com/pmezard/go-difflib v1.0.0 github.com/pmezard/go-difflib v1.0.0
github.com/sirupsen/logrus v1.0.5
github.com/prometheus/client_golang v0.9.1
github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90 // indirect
github.com/prometheus/common v0.4.0 // indirect
github.com/prometheus/procfs v0.0.0-20190517135640-51af30a78b0e // indirect
github.com/sirupsen/logrus v1.2.0
github.com/stretchr/testify v1.3.0 github.com/stretchr/testify v1.3.0
github.com/urfave/cli v1.20.0 github.com/urfave/cli v1.20.0
github.com/vektah/gqlparser v1.1.0 github.com/vektah/gqlparser v1.1.0
golang.org/x/crypto v0.0.0-20180411161317-d6449816ce06
golang.org/x/net v0.0.0-20180416171110-a35a21de978d
golang.org/x/sys v0.0.0-20180416112224-2f57af4873d0
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2
golang.org/x/net v0.0.0-20190514140710-3ec191127204
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a
golang.org/x/text v0.3.0 golang.org/x/text v0.3.0
golang.org/x/tools v0.0.0-20190125232054-d66bd3c5d5a6 golang.org/x/tools v0.0.0-20190125232054-d66bd3c5d5a6
google.golang.org/appengine v1.1.0 google.golang.org/appengine v1.1.0
gopkg.in/yaml.v2 v2.2.2 gopkg.in/yaml.v2 v2.2.2
) )
replace golang.org/x/net => golang.org/x/net v0.0.0-20180416171110-a35a21de978d

59
go.sum

@ -4,24 +4,40 @@ github.com/99designs/gqlgen v0.8.0 h1:ZBteuSgeeFwn+mztjDqQZQdVa9pqslmPnDeCovcnc0
github.com/99designs/gqlgen v0.8.0/go.mod h1:st7qHA6ssU3uRZkmv+wzrzgX4srvIqEIdE5iuRW8GhE= github.com/99designs/gqlgen v0.8.0/go.mod h1:st7qHA6ssU3uRZkmv+wzrzgX4srvIqEIdE5iuRW8GhE=
github.com/99designs/gqlgen v0.8.3 h1:I6bMglXNKkn4KlvkSMzqZw53e1N2FF9Gud4NmsOxqiA= github.com/99designs/gqlgen v0.8.3 h1:I6bMglXNKkn4KlvkSMzqZw53e1N2FF9Gud4NmsOxqiA=
github.com/99designs/gqlgen v0.8.3/go.mod h1:aLyJw9xUgdJxZ8EqNQxo2pGFhXXJ/hq8t7J4yn8TgI4= github.com/99designs/gqlgen v0.8.3/go.mod h1:aLyJw9xUgdJxZ8EqNQxo2pGFhXXJ/hq8t7J4yn8TgI4=
github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
github.com/agnivade/levenshtein v1.0.0 h1:q+77q31bLT5jhN3BHKA1276nUEdbz7XjDa0o5dRKcZ0= github.com/agnivade/levenshtein v1.0.0 h1:q+77q31bLT5jhN3BHKA1276nUEdbz7XjDa0o5dRKcZ0=
github.com/agnivade/levenshtein v1.0.0/go.mod h1:CURSv5d9Uaml+FovSIICkLbAUZ9S4RqaHDIsdSBg7lM= github.com/agnivade/levenshtein v1.0.0/go.mod h1:CURSv5d9Uaml+FovSIICkLbAUZ9S4RqaHDIsdSBg7lM=
github.com/agnivade/levenshtein v1.0.1 h1:3oJU7J3FGFmyhn8KHjmVaZCN5hxTr7GxgRue+sxIXdQ= github.com/agnivade/levenshtein v1.0.1 h1:3oJU7J3FGFmyhn8KHjmVaZCN5hxTr7GxgRue+sxIXdQ=
github.com/agnivade/levenshtein v1.0.1/go.mod h1:CURSv5d9Uaml+FovSIICkLbAUZ9S4RqaHDIsdSBg7lM= github.com/agnivade/levenshtein v1.0.1/go.mod h1:CURSv5d9Uaml+FovSIICkLbAUZ9S4RqaHDIsdSBg7lM=
github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883/go.mod h1:rCTlJbsFo29Kk6CurOXKm700vrz8f0KW0JNfpkRJY/8= github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883/go.mod h1:rCTlJbsFo29Kk6CurOXKm700vrz8f0KW0JNfpkRJY/8=
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
github.com/beorn7/perks v1.0.0 h1:HWo1m869IqiPhD389kmkxeTalrjNbbJTC8LXupb+sl0=
github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM= github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ= github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk= github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
github.com/globalsign/mgo v0.0.0-20180403085842-f76e4f9da92e h1:hmrbHva/wKD6X4M7pgHVbg/KfVV1wwgr1NEkQaVD3rU= github.com/globalsign/mgo v0.0.0-20180403085842-f76e4f9da92e h1:hmrbHva/wKD6X4M7pgHVbg/KfVV1wwgr1NEkQaVD3rU=
github.com/globalsign/mgo v0.0.0-20180403085842-f76e4f9da92e/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q= github.com/globalsign/mgo v0.0.0-20180403085842-f76e4f9da92e/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q=
github.com/go-chi/chi v3.3.2+incompatible/go.mod h1:eB3wogJHnLi3x/kFX2A+IbTBlXxmMeXJVKy9tTv1XzQ= github.com/go-chi/chi v3.3.2+incompatible/go.mod h1:eB3wogJHnLi3x/kFX2A+IbTBlXxmMeXJVKy9tTv1XzQ=
github.com/go-ini/ini v1.35.0 h1:D/my3+xOfqZMkJpciRcyqU7XMBUgiZa9qXjZIa8uv2k= github.com/go-ini/ini v1.35.0 h1:D/my3+xOfqZMkJpciRcyqU7XMBUgiZa9qXjZIa8uv2k=
github.com/go-ini/ini v1.35.0/go.mod h1:ByCAeIL28uOIIG0E3PJtZPDL8WnHpFKFOtgjp+3Ies8= github.com/go-ini/ini v1.35.0/go.mod h1:ByCAeIL28uOIIG0E3PJtZPDL8WnHpFKFOtgjp+3Ies8=
github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
github.com/go-sql-driver/mysql v1.4.0 h1:7LxgVwFb2hIQtMm87NdgAVfXjnt4OePseqT1tKx+opk= github.com/go-sql-driver/mysql v1.4.0 h1:7LxgVwFb2hIQtMm87NdgAVfXjnt4OePseqT1tKx+opk=
github.com/go-sql-driver/mysql v1.4.0/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w= github.com/go-sql-driver/mysql v1.4.0/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
github.com/gogo/protobuf v1.0.0/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ= github.com/gogo/protobuf v1.0.0/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.1 h1:YF8+flBXS5eO826T4nzqPrxfhQThhXl0YzfuUPu4SBg=
github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/gorilla/context v0.0.0-20160226214623-1ea25387ff6f/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51q0aT7Yg= github.com/gorilla/context v0.0.0-20160226214623-1ea25387ff6f/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51q0aT7Yg=
github.com/gorilla/mux v1.6.1/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs= github.com/gorilla/mux v1.6.1/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
github.com/gorilla/websocket v1.2.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ= github.com/gorilla/websocket v1.2.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
@ -33,14 +49,21 @@ github.com/hashicorp/golang-lru v0.5.0 h1:CL2msUPvZTLb5O648aiLNJw3hnBxN2+1Jq8rCO
github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8= github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
github.com/jmoiron/sqlx v0.0.0-20180614180643-0dae4fefe7c0 h1:5B0uxl2lzNRVkJVg+uGHxWtRt4C0Wjc6kJKo5XYx8xE= github.com/jmoiron/sqlx v0.0.0-20180614180643-0dae4fefe7c0 h1:5B0uxl2lzNRVkJVg+uGHxWtRt4C0Wjc6kJKo5XYx8xE=
github.com/jmoiron/sqlx v0.0.0-20180614180643-0dae4fefe7c0/go.mod h1:IiEW3SEiiErVyFdH8NTuWjSifiEQKUoyK3LNqr2kCHU= github.com/jmoiron/sqlx v0.0.0-20180614180643-0dae4fefe7c0/go.mod h1:IiEW3SEiiErVyFdH8NTuWjSifiEQKUoyK3LNqr2kCHU=
github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo= github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/matttproud/golang_protobuf_extensions v1.0.1 h1:4hp9jkHxhMHkqkrB3Ix0jegS5sx/RkqARlsWZ6pIwiU=
github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
github.com/minio/minio-go v0.0.0-20180409193742-3d2d02921f05 h1:YEyFCqmHcmbcTLqZ7yEAg7VIUat6PuDzGbIctZy888k= github.com/minio/minio-go v0.0.0-20180409193742-3d2d02921f05 h1:YEyFCqmHcmbcTLqZ7yEAg7VIUat6PuDzGbIctZy888k=
github.com/minio/minio-go v0.0.0-20180409193742-3d2d02921f05/go.mod h1:7guKYtitv8dktvNUGrhzmNlA5wrAABTQXCoesZdFQO8= github.com/minio/minio-go v0.0.0-20180409193742-3d2d02921f05/go.mod h1:7guKYtitv8dktvNUGrhzmNlA5wrAABTQXCoesZdFQO8=
github.com/mitchellh/go-homedir v0.0.0-20161203194507-b8bc1bf76747 h1:eQox4Rh4ewJF+mqYPxCkmBAirRnPaHEB26UkNuPyjlk= github.com/mitchellh/go-homedir v0.0.0-20161203194507-b8bc1bf76747 h1:eQox4Rh4ewJF+mqYPxCkmBAirRnPaHEB26UkNuPyjlk=
github.com/mitchellh/go-homedir v0.0.0-20161203194507-b8bc1bf76747/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0= github.com/mitchellh/go-homedir v0.0.0-20161203194507-b8bc1bf76747/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
github.com/mitchellh/mapstructure v0.0.0-20180203102830-a4e142e9c047/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y= github.com/mitchellh/mapstructure v0.0.0-20180203102830-a4e142e9c047/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
github.com/oklog/ulid v1.3.1/go.mod h1:CirwcVhetQ6Lv90oh/F+FBtV6XMibvdAFo93nm5qn4U=
github.com/opentracing/basictracer-go v1.0.0/go.mod h1:QfBfYuafItcjQuMwinw9GhYKwFXS9KnPs5lxoYwgW74= github.com/opentracing/basictracer-go v1.0.0/go.mod h1:QfBfYuafItcjQuMwinw9GhYKwFXS9KnPs5lxoYwgW74=
github.com/opentracing/opentracing-go v1.0.2 h1:3jA2P6O1F9UOrWVpwrIo17pu01KWvNWg4X946/Y5Zwg= github.com/opentracing/opentracing-go v1.0.2 h1:3jA2P6O1F9UOrWVpwrIo17pu01KWvNWg4X946/Y5Zwg=
github.com/opentracing/opentracing-go v1.0.2/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o= github.com/opentracing/opentracing-go v1.0.2/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o=
@ -49,12 +72,31 @@ github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I= github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/prometheus/client_golang v0.9.1 h1:K47Rk0v/fkEfwfQet2KWhscE0cJzjgCCDBG2KHZoVno=
github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
github.com/prometheus/client_golang v0.9.3 h1:9iH4JKXLzFbOAdtqv/a+j8aewx2Y8lAjAydhbaScPF8=
github.com/prometheus/client_golang v0.9.3/go.mod h1:/TN21ttK/J9q6uSwhBd54HahCDft0ttaMvbicHlPoso=
github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90 h1:S/YWwWx/RA8rT8tKFRuGUZhuA90OyIBpPCXkcbwU8DE=
github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/prometheus/common v0.0.0-20181113130724-41aa239b4cce/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
github.com/prometheus/common v0.4.0 h1:7etb9YClo3a6HjLzfl6rIQaU+FDfi0VSX39io3aQ+DM=
github.com/prometheus/common v0.4.0/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=
github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
github.com/prometheus/procfs v0.0.0-20190507164030-5867b95ac084 h1:sofwID9zm4tzrgykg80hfFph1mryUeLRsUfoocVVmRY=
github.com/prometheus/procfs v0.0.0-20190507164030-5867b95ac084/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
github.com/prometheus/procfs v0.0.0-20190517135640-51af30a78b0e h1:zK8d1aZ+gw/Ne4uMfZTFRxj08PUOp+gGwm4HWUeGI1k=
github.com/prometheus/procfs v0.0.0-20190517135640-51af30a78b0e/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40TwIPHuXU=
github.com/rs/cors v1.6.0/go.mod h1:gFx+x8UowdsKA9AchylcLynDq+nNFfI8FkUZdN/jGCU= github.com/rs/cors v1.6.0/go.mod h1:gFx+x8UowdsKA9AchylcLynDq+nNFfI8FkUZdN/jGCU=
github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo= github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
github.com/shurcooL/httpfs v0.0.0-20171119174359-809beceb2371/go.mod h1:ZY1cvUeJuFPAdZ/B6v7RHavJWZn2YPVFQ1OSXhCGOkg= github.com/shurcooL/httpfs v0.0.0-20171119174359-809beceb2371/go.mod h1:ZY1cvUeJuFPAdZ/B6v7RHavJWZn2YPVFQ1OSXhCGOkg=
github.com/shurcooL/vfsgen v0.0.0-20180121065927-ffb13db8def0/go.mod h1:TrYk7fJVaAttu97ZZKrO9UbRa8izdowaMIZcxYMbVaw= github.com/shurcooL/vfsgen v0.0.0-20180121065927-ffb13db8def0/go.mod h1:TrYk7fJVaAttu97ZZKrO9UbRa8izdowaMIZcxYMbVaw=
github.com/sirupsen/logrus v1.0.5/go.mod h1:pMByvHTf9Beacp5x1UXfOR9xyW/9antXMhjMPG0dEzc= github.com/sirupsen/logrus v1.0.5/go.mod h1:pMByvHTf9Beacp5x1UXfOR9xyW/9antXMhjMPG0dEzc=
github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.2.1/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs= github.com/stretchr/testify v1.2.1/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs= github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
@ -69,10 +111,26 @@ github.com/vektah/gqlparser v1.1.2 h1:ZsyLGn7/7jDNI+y4SEhI4yAxRChlv15pUHMjijT+e6
github.com/vektah/gqlparser v1.1.2/go.mod h1:1ycwN7Ij5njmMkPPAOaRFY4rET2Enx7IkVv3vaXspKw= github.com/vektah/gqlparser v1.1.2/go.mod h1:1ycwN7Ij5njmMkPPAOaRFY4rET2Enx7IkVv3vaXspKw=
golang.org/x/crypto v0.0.0-20180411161317-d6449816ce06 h1:EOqG0JqGlLr+punVB69jvWCv/ErZKGlC7PMdyHfv+Bc= golang.org/x/crypto v0.0.0-20180411161317-d6449816ce06 h1:EOqG0JqGlLr+punVB69jvWCv/ErZKGlC7PMdyHfv+Bc=
golang.org/x/crypto v0.0.0-20180411161317-d6449816ce06/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/crypto v0.0.0-20180411161317-d6449816ce06/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20180904163835-0709b304e793 h1:u+LnwYTOOW7Ukr/fppxEb1Nwz0AtPflrblfvUudpo+I=
golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2 h1:VklqNMn3ovrHsnt90PveolxSbWFaJdECFbxSq0Mqo2M=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/net v0.0.0-20180404174746-b3c676e531a6/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180404174746-b3c676e531a6/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180416171110-a35a21de978d h1:O2P57H5Cc+d+DJos+iweraI9rmzMYwV+45vkZdDY0Oo= golang.org/x/net v0.0.0-20180416171110-a35a21de978d h1:O2P57H5Cc+d+DJos+iweraI9rmzMYwV+45vkZdDY0Oo=
golang.org/x/net v0.0.0-20180416171110-a35a21de978d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180416171110-a35a21de978d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181114220301-adae6a3d119a h1:gOpx8G595UYyvj8UK4+OFyY4rx037g3fmfhe5SasG3U=
golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190514140710-3ec191127204 h1:4yG6GqBtw9C+UrLp6s2wtSniayy/Vd/3F7ffLE427XI=
golang.org/x/net v0.0.0-20190514140710-3ec191127204/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20180416112224-2f57af4873d0/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20180416112224-2f57af4873d0/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5 h1:mzjBh+S5frKOsOBobWIMAbXavqjmgO17k/2puhcFR94=
golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a h1:1BGLXjeY4akVXGgbC9HugT3Jv3hCI0z56oJR5vAMgBU=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg= golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/tools v0.0.0-20180911133044-677d2ff680c1 h1:dzEuQYa6+a3gROnSlgly5ERUm4SZKJt+dh+4iSbO+bI= golang.org/x/tools v0.0.0-20180911133044-677d2ff680c1 h1:dzEuQYa6+a3gROnSlgly5ERUm4SZKJt+dh+4iSbO+bI=
@ -80,6 +138,7 @@ golang.org/x/tools v0.0.0-20180911133044-677d2ff680c1/go.mod h1:n7NCudcB/nEzxVGm
golang.org/x/tools v0.0.0-20190125232054-d66bd3c5d5a6 h1:iZgcI2DDp6zW5v9Z/5+f0NuqoxNdmzg4hivjk2WLXpY= golang.org/x/tools v0.0.0-20190125232054-d66bd3c5d5a6 h1:iZgcI2DDp6zW5v9Z/5+f0NuqoxNdmzg4hivjk2WLXpY=
golang.org/x/tools v0.0.0-20190125232054-d66bd3c5d5a6/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20190125232054-d66bd3c5d5a6/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM= google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
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 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v2 v2.2.1 h1:mUhvW9EsL+naU5Q3cakzfE91YhliOondGd6ZrsDBHQE= gopkg.in/yaml.v2 v2.2.1 h1:mUhvW9EsL+naU5Q3cakzfE91YhliOondGd6ZrsDBHQE=

143
internal/instrumentation/prometheus.go

@ -0,0 +1,143 @@
package instrumentation
import (
"context"
"time"
"github.com/99designs/gqlgen/graphql"
prometheusclient "github.com/prometheus/client_golang/prometheus"
)
const (
existStatusFailure = "failure"
exitStatusSuccess = "success"
)
var (
requestStartedCounter prometheusclient.Counter
requestCompletedCounter prometheusclient.Counter
resolverStartedCounter *prometheusclient.CounterVec
resolverCompletedCounter *prometheusclient.CounterVec
timeToResolveField *prometheusclient.HistogramVec
timeToHandleRequest *prometheusclient.HistogramVec
)
// Register registers the prometheus metrics.
func Register() {
requestStartedCounter = prometheusclient.NewCounter(
prometheusclient.CounterOpts{
Name: "graphql_request_started_total",
Help: "Total number of requests started on the graphql server.",
},
)
requestCompletedCounter = prometheusclient.NewCounter(
prometheusclient.CounterOpts{
Name: "graphql_request_completed_total",
Help: "Total number of requests completed on the graphql server.",
},
)
resolverStartedCounter = prometheusclient.NewCounterVec(
prometheusclient.CounterOpts{
Name: "graphql_resolver_started_total",
Help: "Total number of resolver started on the graphql server.",
},
[]string{"object", "field"},
)
resolverCompletedCounter = prometheusclient.NewCounterVec(
prometheusclient.CounterOpts{
Name: "graphql_resolver_completed_total",
Help: "Total number of resolver completed on the graphql server.",
},
[]string{"object", "field"},
)
timeToResolveField = prometheusclient.NewHistogramVec(prometheusclient.HistogramOpts{
Name: "graphql_resolver_duration_ms",
Help: "The time taken to resolve a field by graphql server.",
Buckets: prometheusclient.ExponentialBuckets(1, 2, 11),
}, []string{"exitStatus"})
timeToHandleRequest = prometheusclient.NewHistogramVec(prometheusclient.HistogramOpts{
Name: "graphql_request_duration_ms",
Help: "The time taken to handle a request by graphql server.",
Buckets: prometheusclient.ExponentialBuckets(1, 2, 11),
}, []string{"exitStatus"})
prometheusclient.MustRegister(
requestStartedCounter,
requestCompletedCounter,
resolverStartedCounter,
resolverCompletedCounter,
timeToResolveField,
timeToHandleRequest,
)
}
// UnRegister unregisters
func UnRegister() {
prometheusclient.Unregister(requestStartedCounter)
prometheusclient.Unregister(requestCompletedCounter)
prometheusclient.Unregister(resolverStartedCounter)
prometheusclient.Unregister(resolverCompletedCounter)
prometheusclient.Unregister(timeToResolveField)
prometheusclient.Unregister(timeToHandleRequest)
}
// ResolverMiddleware is a resolver middleware that logs metrics for prometheus.
func ResolverMiddleware() graphql.FieldMiddleware {
return func(ctx context.Context, next graphql.Resolver) (interface{}, error) {
rctx := graphql.GetResolverContext(ctx)
resolverStartedCounter.WithLabelValues(rctx.Object, rctx.Field.Name).Inc()
observerStart := time.Now()
res, err := next(ctx)
var exitStatus string
if err != nil {
exitStatus = existStatusFailure
} else {
exitStatus = exitStatusSuccess
}
timeToResolveField.With(prometheusclient.Labels{"exitStatus": exitStatus}).
Observe(float64(time.Since(observerStart).Nanoseconds() / int64(time.Millisecond)))
resolverCompletedCounter.WithLabelValues(rctx.Object, rctx.Field.Name).Inc()
return res, err
}
}
// RequestMiddleware is a request middleware that logs metrics for prometheus.
func RequestMiddleware() graphql.RequestMiddleware {
return func(ctx context.Context, next func(ctx context.Context) []byte) []byte {
requestStartedCounter.Inc()
observerStart := time.Now()
res := next(ctx)
rctx := graphql.GetResolverContext(ctx)
reqCtx := graphql.GetRequestContext(ctx)
errList := reqCtx.GetErrors(rctx)
var exitStatus string
if len(errList) > 0 {
exitStatus = existStatusFailure
} else {
exitStatus = exitStatusSuccess
}
timeToHandleRequest.With(prometheusclient.Labels{"exitStatus": exitStatus}).
Observe(float64(time.Since(observerStart).Nanoseconds() / int64(time.Millisecond)))
requestCompletedCounter.Inc()
return res
}
}
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