Merge branch 'bjk/fix_metrics' into 'master'

Auto-register Prometheus metrics

Closes #326

See merge request gitlab-org/gitlab-workhorse!660

changelogs/unreleased/bjk-fix_metrics.yml

+---
+title: Auto-register Prometheus metrics
+merge_request: 660
+author:
+type: fixed

go.mod

@@ -13,15 +13,15 @@ require (
 	github.com/disintegration/imaging v1.6.2
 	github.com/getsentry/raven-go v0.2.0
 	github.com/golang/gddo v0.0.0-20190419222130-af0f2af80721
-	github.com/golang/protobuf v1.4.2
+	github.com/golang/protobuf v1.4.3
 	github.com/gomodule/redigo v2.0.0+incompatible
 	github.com/gorilla/websocket v1.4.0
-	github.com/grpc-ecosystem/go-grpc-middleware v1.0.0
+	github.com/grpc-ecosystem/go-grpc-middleware v1.2.2
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0
 	github.com/johannesboyne/gofakes3 v0.0.0-20200510090907-02d71f533bec
-	github.com/jpillora/backoff v0.0.0-20170918002102-8eab2debe79d
+	github.com/jpillora/backoff v1.0.0
 	github.com/mitchellh/copystructure v1.0.0
-	github.com/prometheus/client_golang v1.0.0
+	github.com/prometheus/client_golang v1.8.0
 	github.com/rafaeljusto/redigomock v0.0.0-20190202135759-257e089e14a1
 	github.com/sebest/xff v0.0.0-20160910043805-6c115e0ffa35
 	github.com/shabbyrobe/gocovmerge v0.0.0-20190829150210-3e036491d500 // indirect
@@ -32,7 +32,7 @@ require (
 	gitlab.com/gitlab-org/labkit v1.0.0
 	gocloud.dev v0.20.0
 	golang.org/x/lint v0.0.0-20200302205851-738671d3881b
-	golang.org/x/net v0.0.0-20200602114024-627f9648deb9
+	golang.org/x/net v0.0.0-20200625001655-4c5254603344
 	golang.org/x/tools v0.0.0-20200608174601-1b747fd94509
 	google.golang.org/grpc v1.29.1
 	honnef.co/go/tools v0.0.1-2020.1.5

go.sum

 bazil.org/fuse v0.0.0-20180421153158-65cc252bf669/go.mod h1:Xbm+BRKSBEpa4q4hTSxohYNQpsxXPbPry4JJWOB3LB8=
 bou.ke/monkey v1.0.1/go.mod h1:FgHuK96Rv2Nlf+0u1OOVDpCMdsWyOFmeeketDHE7LIg=
-cloud.google.com/go v0.26.0 h1:e0WKqKTd5BnrG8aKH3J3h+QvEIQtSUcf2n5UZ5ZgLtQ=
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
@@ -10,7 +9,6 @@ cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxK
 cloud.google.com/go v0.44.3/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
 cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
 cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
-cloud.google.com/go v0.50.0 h1:0E3eE8MX426vUOs7aHfI7aN1BrIzzzf4ccKCSfSjGmc=
 cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
 cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
 cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
@@ -20,7 +18,6 @@ cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKV
 cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
 cloud.google.com/go v0.58.0 h1:vtAfVc723K3xKq1BQydk/FyCldnaNFhGhpJxaJzgRMQ=
 cloud.google.com/go v0.58.0/go.mod h1:W+9FnSUw6nhVwXlFcp1eL+krq5+HQUJeUogSeJZZiWg=
-cloud.google.com/go/bigquery v1.0.1 h1:hL+ycaJpVE9M7nLoiXb/Pn10ENE2u+oddxbD8uu0ZVU=
 cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
 cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
 cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
@@ -28,18 +25,15 @@ cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUM
 cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
 cloud.google.com/go/bigquery v1.8.0 h1:PQcPefKFdaIzjQFbiyOgAqyx8q5djaE7x9Sqe712DPA=
 cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
-cloud.google.com/go/datastore v1.0.0 h1:Kt+gOPPp2LEPWp8CSfxhsM8ik9CcyE/gYu+0r+RnZvM=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
 cloud.google.com/go/datastore v1.1.0 h1:/May9ojXjRkPBNVrq+oWLqmWCkr4OU5uRY29bu0mRyQ=
 cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
 cloud.google.com/go/firestore v1.2.0/go.mod h1:iISCjWnTpnoJT1R287xRdjvQHJrxQOpeah4phb5D3h0=
-cloud.google.com/go/pubsub v1.0.1 h1:W9tAK3E57P75u0XLLR82LZyw8VpAnhmyTOxW9qzmyj8=
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
 cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
 cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
 cloud.google.com/go/pubsub v1.3.1 h1:ukjixP1wl0LpnZ6LWtZJ0mX5tBmjp1f8Sqer8Z2OMUU=
 cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
-cloud.google.com/go/storage v1.0.0 h1:VV2nUM3wwLLGh9lSABFgZMjInyUbJeaRSE64WuAIQ+4=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
 cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
 cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
@@ -98,7 +92,12 @@ github.com/FZambia/sentinel v1.0.0/go.mod h1:ytL1Am/RLlAoAXG6Kj5LNuw/TRRQrv2rt2F
 github.com/GoogleCloudPlatform/cloudsql-proxy v0.0.0-20191009163259-e802c2cb94ae/go.mod h1:mjwGPas4yKduTyubHvD1Atl9r1rUq8DfVy+gkVvZ+oo=
 github.com/Joker/hpp v1.0.0/go.mod h1:8x5n+M1Hp5hC0g8okX3sR3vFQwynaX/UgSOM9MeBKzY=
 github.com/Joker/jade v1.0.1-0.20190614124447-d475f43051e7/go.mod h1:6E6s8o2AE4KhCrqr6GRJjdC/gNfTdxkIXvuGZZda2VM=
+github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
 github.com/Shopify/goreferrer v0.0.0-20181106222321-ec9c9a553398/go.mod h1:a1uqRtAwp2Xwc6WNPJEufxJ7fx3npB4UV/JOLmbu5I0=
+github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
+github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
+github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
+github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
 github.com/ajg/form v1.5.1/go.mod h1:uL1WgH+h2mgNtvBq0339dVnzXdBETtL2LeUXaIv25UY=
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@@ -110,43 +109,62 @@ github.com/alecthomas/kong v0.2.4/go.mod h1:kQOmtJgV+Lb4aj+I2LEn40cbtawdWJ9Y8QLq
 github.com/alecthomas/repr v0.0.0-20180818092828-117648cd9897 h1:p9Sln00KOTlrYkxI1zYWl1QLnEqAqEARBEYa8FQnQcY=
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 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
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+github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
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@@ -164,8 +182,14 @@ github.com/disintegration/imaging v1.6.2 h1:w1LecBlG2Lnp8B3jk5zSuNqd7b4DXhcjwek1
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@@ -176,16 +200,18 @@ github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5Kwzbycv
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@@ -196,8 +222,13 @@ github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2
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@@ -209,30 +240,29 @@ github.com/gobuffalo/packr/v2 v2.7.1/go.mod h1:qYEvAazPaVxy7Y7KR0W8qYEE+RymX74kE
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@@ -243,8 +273,10 @@ github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrU
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@@ -253,7 +285,6 @@ github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ
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@@ -262,13 +293,12 @@ github.com/google/go-replayers/grpcreplay v0.1.0 h1:eNb1y9rZFmY4ax45uEEECSa8fsxG
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@@ -277,6 +307,7 @@ github.com/google/pprof v0.0.0-20200507031123-427632fa3b1c h1:lIC98ZUNah83ky7d9E
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@@ -380,94 +445,142 @@ github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5
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@@ -475,28 +588,32 @@ github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykE
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@@ -507,6 +624,8 @@ github.com/ugorji/go v1.1.4/go.mod h1:uQMGLiO92mf5W77hV/PUCpI3pbzQx3CRekS0kk+RGr
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@@ -515,6 +634,7 @@ github.com/valyala/tcplisten v0.0.0-20161114210144-ceec8f93295a/go.mod h1:v3UYOV
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@@ -573,12 +702,10 @@ golang.org/x/image v0.0.0-20191009234506-e7c1f5e7dbb8/go.mod h1:FeLwcggjj3mMvU+o
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@@ -589,16 +716,18 @@ golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKG
 golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
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@@ -607,6 +736,7 @@ golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn
 golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
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 golang.org/x/net v0.0.0-20190619014844-b5b0513f8c1b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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@@ -614,22 +744,20 @@ golang.org/x/net v0.0.0-20190813141303-74dc4d7220e7/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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@@ -641,9 +769,7 @@ golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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@@ -651,7 +777,10 @@ golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5h
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@@ -666,13 +795,15 @@ golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -683,25 +814,29 @@ golang.org/x/sys v0.0.0-20200302150141-5c8b2ff67527/go.mod h1:h1NjWce9XRLGQEsW7w
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 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20181221001348-537d06c36207/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -717,7 +852,6 @@ golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBn
 golang.org/x/tools v0.0.0-20190506145303-2d16b83fe98c/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
-golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac h1:MQEvx39qSf8vyrx3XRaOe+j1UDIzKwkYOVObRgGPVqI=
 golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190816200558-6889da9d5479/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
@@ -725,6 +859,8 @@ golang.org/x/tools v0.0.0-20190829051458-42f498d34c4d/go.mod h1:b+2E5dAYhXwXZwtn
 golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191004055002-72853e10c5a3/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191012152004-8de300cfc20a/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
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 golang.org/x/tools v0.0.0-20191113191852-77e3bb0ad9e7/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
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 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
@@ -732,7 +868,7 @@ golang.org/x/tools v0.0.0-20191125144606-a911d9008d1f/go.mod h1:b+2E5dAYhXwXZwtn
 golang.org/x/tools v0.0.0-20191130070609-6e064ea0cf2d/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191216173652-a0e659d51361/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20191227053925-7b8e75db28f4/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
-golang.org/x/tools v0.0.0-20200117161641-43d50277825c h1:2EA2K0k9bcvvEDlqD8xdlOhCOqq+O/p9Voqi4x9W1YU=
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 golang.org/x/tools v0.0.0-20200117161641-43d50277825c/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20200122220014-bf1340f18c4a/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
@@ -757,6 +893,7 @@ golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8T
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+google.golang.org/api v0.3.1/go.mod h1:6wY9I6uQWHQ8EM57III9mq/AjF+i8G65rmVagqKMtkk=
 google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
 google.golang.org/api v0.5.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
 google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
@@ -764,7 +901,6 @@ google.golang.org/api v0.8.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEn
 google.golang.org/api v0.9.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
 google.golang.org/api v0.13.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
 google.golang.org/api v0.14.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
-google.golang.org/api v0.15.0 h1:yzlyyDW/J0w8yNFJIhiAJy4kq74S+1DOLdawELNxFMA=
 google.golang.org/api v0.15.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
 google.golang.org/api v0.17.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
 google.golang.org/api v0.18.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
@@ -774,12 +910,11 @@ google.golang.org/api v0.22.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/
 google.golang.org/api v0.24.0/go.mod h1:lIXQywCXRcnZPGlsd8NbLnOjtAoL6em04bJ9+z0MncE=
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-google.golang.org/appengine v1.1.0 h1:igQkv0AAhEIvTEpD5LIpAfav2eeVO9HBTjvKHVJPRSs=
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+google.golang.org/appengine v1.2.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
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 google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
-google.golang.org/appengine v1.6.5 h1:tycE03LOZYQNhDpS27tcQdAzLCVMaj7QT2SXxebnpCM=
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@@ -797,7 +932,6 @@ google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvx
 google.golang.org/genproto v0.0.0-20191115194625-c23dd37a84c9/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
 google.golang.org/genproto v0.0.0-20191216164720-4f79533eabd1/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
 google.golang.org/genproto v0.0.0-20191230161307-f3c370f40bfb/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
-google.golang.org/genproto v0.0.0-20200115191322-ca5a22157cba h1:pRj9OXZbwNtbtZtOB4dLwfK4u+EVRMvP+e9zKkg2grM=
 google.golang.org/genproto v0.0.0-20200115191322-ca5a22157cba/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
 google.golang.org/genproto v0.0.0-20200122232147-0452cf42e150/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
 google.golang.org/genproto v0.0.0-20200204135345-fa8e72b47b90/go.mod h1:GmwEX6Z4W5gMy59cAlVYjN9JhxgbQH6Gn+gFDQe2lzA=
@@ -809,6 +943,7 @@ google.golang.org/genproto v0.0.0-20200312145019-da6875a35672/go.mod h1:55QSHmfG
 google.golang.org/genproto v0.0.0-20200317114155-1f3552e48f24/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200325114520-5b2d0af7952b/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200331122359-1ee6d9798940/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
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 google.golang.org/genproto v0.0.0-20200430143042-b979b6f78d84/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200511104702-f5ebc3bea380/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200515170657-fc4c6c6a6587/go.mod h1:YsZOwe1myG/8QRHRsmBRE1LrgQY60beZKjly0O1fX9U=
@@ -816,12 +951,15 @@ google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEY
 google.golang.org/genproto v0.0.0-20200603110839-e855014d5736/go.mod h1:jDfRM7FcilCzHH/e9qn6dsT145K34l5v+OpcnNgKAAA=
 google.golang.org/genproto v0.0.0-20200608115520-7c474a2e3482 h1:i+Aiej6cta/Frzp13/swvwz5O00kYcSe0A/C5Wd7zX8=
 google.golang.org/genproto v0.0.0-20200608115520-7c474a2e3482/go.mod h1:jDfRM7FcilCzHH/e9qn6dsT145K34l5v+OpcnNgKAAA=
+google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
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+google.golang.org/grpc v1.20.0/go.mod h1:chYK+tFQF0nDUGJgXMSgLCQk3phJEuONr2DCgLDdAQM=
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+google.golang.org/grpc v1.22.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
-google.golang.org/grpc v1.24.0 h1:vb/1TCsVn3DcJlQ0Gs1yB1pKI6Do2/QNwxdKqmc/b0s=
+google.golang.org/grpc v1.23.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
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@@ -844,37 +982,44 @@ gopkg.in/DataDog/dd-trace-go.v1 v1.7.0 h1:7wbMayb6JXcbAS95RN7MI42W3o1BCxCcdIzZfV
 gopkg.in/DataDog/dd-trace-go.v1 v1.7.0/go.mod h1:DVp8HmDh8PuTu2Z0fVVlBsyWaC++fzwVCaGWylTe3tg=
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 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
+gopkg.in/gcfg.v1 v1.2.3/go.mod h1:yesOnuUOFQAhST5vPY4nbZsb/huCgGGXlipJsBn0b3o=
 gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE=
 gopkg.in/go-playground/validator.v8 v8.18.2/go.mod h1:RX2a/7Ha8BgOhfk7j780h4/u/RRjR0eouCJSH80/M2Y=
 gopkg.in/gorp.v1 v1.7.2/go.mod h1:Wo3h+DBQZIxATwftsglhdD/62zRFPhGhTiu5jUJmCaw=
 gopkg.in/mgo.v2 v2.0.0-20180705113604-9856a29383ce/go.mod h1:yeKp02qBN3iKW1OzL3MGk2IdtZzaj7SFntXj72NppTA=
+gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
+gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
+gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
+gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.1-2019.2.3 h1:3JgtbtFHMiCmsznwGVTUWbgGov+pVqnlf1dEJTNAXeM=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-honnef.co/go/tools v0.0.1-2020.1.4 h1:UoveltGrhghAA7ePc+e+QYDHXrBps2PqFZiHkGR/xK8=
 honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 honnef.co/go/tools v0.0.1-2020.1.5 h1:nI5egYTGJakVyOryqLs1cQO5dO0ksin5XXs2pspk75k=
 honnef.co/go/tools v0.0.1-2020.1.5/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
+sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
+sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU=

internal/api/api.go

@@ -11,6 +11,7 @@ import (
 	"strings"
 
 	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
 
 	"gitlab.com/gitlab-org/gitaly/proto/go/gitalypb"
 
@@ -34,14 +35,14 @@ type API struct {
 }
 
 var (
-	requestsCounter = prometheus.NewCounterVec(
+	requestsCounter = promauto.NewCounterVec(
 		prometheus.CounterOpts{
 			Name: "gitlab_workhorse_internal_api_requests",
 			Help: "How many internal API requests have been completed by gitlab-workhorse, partitioned by status code and HTTP method.",
 		},
 		[]string{"code", "method"},
 	)
-	bytesTotal = prometheus.NewCounter(
+	bytesTotal = promauto.NewCounter(
 		prometheus.CounterOpts{
 			Name: "gitlab_workhorse_internal_api_failure_response_bytes",
 			Help: "How many bytes have been returned by upstream GitLab in API failure/rejection response bodies.",
@@ -49,11 +50,6 @@ var (
 	)
 )
 
-func init() {
-	prometheus.MustRegister(requestsCounter)
-	prometheus.MustRegister(bytesTotal)
-}
-
 func NewAPI(myURL *url.URL, version string, roundTripper http.RoundTripper) *API {
 	return &API{
 		Client:  &http.Client{Transport: roundTripper},

internal/artifacts/artifacts_upload.go

@@ -12,6 +12,7 @@ import (
 	"syscall"
 
 	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
 	"gitlab.com/gitlab-org/labkit/log"
 
 	"gitlab.com/gitlab-org/gitlab-workhorse/internal/api"
@@ -28,16 +29,12 @@ const (
 	ArtifactFormatDefault = ""
 )
 
-var zipSubcommandsErrorsCounter = prometheus.NewCounterVec(
+var zipSubcommandsErrorsCounter = promauto.NewCounterVec(
 	prometheus.CounterOpts{
 		Name: "gitlab_workhorse_zip_subcommand_errors_total",
 		Help: "Errors comming from subcommands used for processing ZIP archives",
 	}, []string{"error"})
 
-func init() {
-	prometheus.MustRegister(zipSubcommandsErrorsCounter)
-}
-
 type artifactsUploadProcessor struct {
 	opts   *filestore.SaveFileOpts
 	format string

internal/builds/register.go

@@ -7,6 +7,7 @@ import (
 	"time"
 
 	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
 
 	"gitlab.com/gitlab-org/gitlab-workhorse/internal/helper"
 	"gitlab.com/gitlab-org/gitlab-workhorse/internal/redis"
@@ -20,14 +21,14 @@ const (
 )
 
 var (
-	registerHandlerRequests = prometheus.NewCounterVec(
+	registerHandlerRequests = promauto.NewCounterVec(
 		prometheus.CounterOpts{
 			Name: "gitlab_workhorse_builds_register_handler_requests",
 			Help: "Describes how many requests in different states hit a register handler",
 		},
 		[]string{"status"},
 	)
-	registerHandlerOpen = prometheus.NewGaugeVec(
+	registerHandlerOpen = promauto.NewGaugeVec(
 		prometheus.GaugeOpts{
 			Name: "gitlab_workhorse_builds_register_handler_open",
 			Help: "Describes how many requests is currently open in given state",
@@ -53,13 +54,6 @@ type largeBodyError struct{ error }
 
 type WatchKeyHandler func(key, value string, timeout time.Duration) (redis.WatchKeyStatus, error)
 
-func init() {
-	prometheus.MustRegister(
-		registerHandlerRequests,
-		registerHandlerOpen,
-	)
-}
-
 type runnerRequest struct {
 	Token      string `json:"token,omitempty"`
 	LastUpdate string `json:"last_update,omitempty"`

internal/git/archive.go

@@ -18,6 +18,7 @@ import (
 	"github.com/golang/protobuf/proto" //lint:ignore SA1019 https://gitlab.com/gitlab-org/gitlab-workhorse/-/issues/274
 
 	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
 
 	"gitlab.com/gitlab-org/gitaly/proto/go/gitalypb"
 
@@ -39,7 +40,7 @@ type archiveParams struct {
 
 var (
 	SendArchive     = &archive{"git-archive:"}
-	gitArchiveCache = prometheus.NewCounterVec(
+	gitArchiveCache = promauto.NewCounterVec(
 		prometheus.CounterOpts{
 			Name: "gitlab_workhorse_git_archive_cache",
 			Help: "Cache hits and misses for 'git archive' streaming",
@@ -48,10 +49,6 @@ var (
 	)
 )
 
-func init() {
-	prometheus.MustRegister(gitArchiveCache)
-}
-
 func (a *archive) Inject(w http.ResponseWriter, r *http.Request, sendData string) {
 	var params archiveParams
 	if err := a.Unpack(&params, sendData); err != nil {

internal/git/responsewriter.go

@@ -5,6 +5,7 @@ import (
 	"strconv"
 
 	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
 
 	"gitlab.com/gitlab-org/gitlab-workhorse/internal/helper"
 )
@@ -15,12 +16,12 @@ const (
 )
 
 var (
-	gitHTTPSessionsActive = prometheus.NewGauge(prometheus.GaugeOpts{
+	gitHTTPSessionsActive = promauto.NewGauge(prometheus.GaugeOpts{
 		Name: "gitlab_workhorse_git_http_sessions_active",
 		Help: "Number of Git HTTP request-response cycles currently being handled by gitlab-workhorse.",
 	})
 
-	gitHTTPRequests = prometheus.NewCounterVec(
+	gitHTTPRequests = promauto.NewCounterVec(
 		prometheus.CounterOpts{
 			Name: "gitlab_workhorse_git_http_requests",
 			Help: "How many Git HTTP requests have been processed by gitlab-workhorse, partitioned by request type and agent.",
@@ -28,7 +29,7 @@ var (
 		[]string{"method", "code", "service", "agent"},
 	)
 
-	gitHTTPBytes = prometheus.NewCounterVec(
+	gitHTTPBytes = promauto.NewCounterVec(
 		prometheus.CounterOpts{
 			Name: "gitlab_workhorse_git_http_bytes",
 			Help: "How many Git HTTP bytes have been sent by gitlab-workhorse, partitioned by request type, agent and direction.",
@@ -37,12 +38,6 @@ var (
 	)
 )
 
-func init() {
-	prometheus.MustRegister(gitHTTPSessionsActive)
-	prometheus.MustRegister(gitHTTPRequests)
-	prometheus.MustRegister(gitHTTPBytes)
-}
-
 type HttpResponseWriter struct {
 	helper.CountingResponseWriter
 }

internal/gitaly/gitaly.go

@@ -10,6 +10,7 @@ import (
 	grpc_middleware "github.com/grpc-ecosystem/go-grpc-middleware"
 	grpc_prometheus "github.com/grpc-ecosystem/go-grpc-prometheus"
 	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
 	gitalyauth "gitlab.com/gitlab-org/gitaly/auth"
 	gitalyclient "gitlab.com/gitlab-org/gitaly/client"
 	"gitlab.com/gitlab-org/gitaly/proto/go/gitalypb"
@@ -43,7 +44,7 @@ var (
 		connections: make(map[cacheKey]*grpc.ClientConn),
 	}
 
-	connectionsTotal = prometheus.NewCounterVec(
+	connectionsTotal = promauto.NewCounterVec(
 		prometheus.CounterOpts{
 			Name: "gitlab_workhorse_gitaly_connections_total",
 			Help: "Number of Gitaly connections that have been established",
@@ -52,10 +53,6 @@ var (
 	)
 )
 
-func init() {
-	prometheus.MustRegister(connectionsTotal)
-}
-
 func withOutgoingMetadata(ctx context.Context, features map[string]string) context.Context {
 	md := metadata.New(nil)
 	for k, v := range features {

internal/imageresizer/image_resizer.go

@@ -17,6 +17,7 @@ import (
 	"time"
 
 	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
 
 	"gitlab.com/gitlab-org/labkit/correlation"
 	"gitlab.com/gitlab-org/labkit/log"
@@ -96,7 +97,7 @@ const (
 )
 
 var (
-	imageResizeConcurrencyLimitExceeds = prometheus.NewCounter(
+	imageResizeConcurrencyLimitExceeds = promauto.NewCounter(
 		prometheus.CounterOpts{
 			Namespace: namespace,
 			Subsystem: subsystem,
@@ -104,7 +105,7 @@ var (
 			Help:      "Amount of image resizing requests that exceeded the maximum allowed scaler processes",
 		},
 	)
-	imageResizeProcesses = prometheus.NewGauge(
+	imageResizeProcesses = promauto.NewGauge(
 		prometheus.GaugeOpts{
 			Namespace: namespace,
 			Subsystem: subsystem,
@@ -112,7 +113,7 @@ var (
 			Help:      "Amount of image scaler processes working now",
 		},
 	)
-	imageResizeMaxProcesses = prometheus.NewGauge(
+	imageResizeMaxProcesses = promauto.NewGauge(
 		prometheus.GaugeOpts{
 			Namespace: namespace,
 			Subsystem: subsystem,
@@ -120,7 +121,7 @@ var (
 			Help:      "The maximum amount of image scaler processes allowed to run concurrently",
 		},
 	)
-	imageResizeRequests = prometheus.NewCounterVec(
+	imageResizeRequests = promauto.NewCounterVec(
 		prometheus.CounterOpts{
 			Namespace: namespace,
 			Subsystem: subsystem,
@@ -129,7 +130,7 @@ var (
 		},
 		[]string{"status"},
 	)
-	imageResizeDurations = prometheus.NewHistogramVec(
+	imageResizeDurations = promauto.NewHistogramVec(
 		prometheus.HistogramOpts{
 			Namespace: namespace,
 			Subsystem: subsystem,
@@ -154,14 +155,6 @@ const (
 	maxMagicLen = 8                   // 8 first bytes is enough to detect PNG or JPEG
 )
 
-func init() {
-	prometheus.MustRegister(imageResizeConcurrencyLimitExceeds)
-	prometheus.MustRegister(imageResizeProcesses)
-	prometheus.MustRegister(imageResizeMaxProcesses)
-	prometheus.MustRegister(imageResizeRequests)
-	prometheus.MustRegister(imageResizeDurations)
-}
-
 func NewResizer(cfg config.Config) *Resizer {
 	imageResizeMaxProcesses.Set(float64(cfg.ImageResizerConfig.MaxScalerProcs))
 

internal/objectstore/prometheus.go

 package objectstore
 
-import "github.com/prometheus/client_golang/prometheus"
+import (
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
+)
 
 var (
-	objectStorageUploadRequests = prometheus.NewCounterVec(
+	objectStorageUploadRequests = promauto.NewCounterVec(
 		prometheus.CounterOpts{
 			Name: "gitlab_workhorse_object_storage_upload_requests",
 			Help: "How many object storage requests have been processed",
 		},
 		[]string{"status"},
 	)
-	objectStorageUploadsOpen = prometheus.NewGauge(
+	objectStorageUploadsOpen = promauto.NewGauge(
 		prometheus.GaugeOpts{
 			Name: "gitlab_workhorse_object_storage_upload_open",
 			Help: "Describes many object storage requests are open now",
 		},
 	)
-	objectStorageUploadBytes = prometheus.NewCounter(
+	objectStorageUploadBytes = promauto.NewCounter(
 		prometheus.CounterOpts{
 			Name: "gitlab_workhorse_object_storage_upload_bytes",
 			Help: "How many bytes were sent to object storage",
 		},
 	)
-	objectStorageUploadTime = prometheus.NewHistogram(
+	objectStorageUploadTime = promauto.NewHistogram(
 		prometheus.HistogramOpts{
 			Name:    "gitlab_workhorse_object_storage_upload_time",
 			Help:    "How long it took to upload objects",
@@ -34,10 +37,3 @@ var (
 
 	objectStorageUploadTimeBuckets = []float64{.1, .25, .5, 1, 2.5, 5, 10, 25, 50, 100}
 )
-
-func init() {
-	prometheus.MustRegister(
-		objectStorageUploadRequests,
-		objectStorageUploadsOpen,
-		objectStorageUploadBytes)
-}

internal/objectstore/uploader.go

@@ -90,6 +90,8 @@ func (u *uploader) Consume(outerCtx context.Context, reader io.Reader, deadline
 		}
 	}
 
+	objectStorageUploadBytes.Add(float64(cr.n))
+
 	return cr.n, nil
 }
 

internal/queueing/queue.go

@@ -5,6 +5,7 @@ import (
 	"time"
 
 	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
 )
 
 type errTooManyRequests struct{ error }
@@ -44,7 +45,7 @@ func newQueueMetrics(name string, timeout time.Duration) *queueMetrics {
 	}
 
 	metrics := &queueMetrics{
-		queueingLimit: prometheus.NewGauge(prometheus.GaugeOpts{
+		queueingLimit: promauto.NewGauge(prometheus.GaugeOpts{
 			Name: "gitlab_workhorse_queueing_limit",
 			Help: "Current limit set for the queueing mechanism",
 			ConstLabels: prometheus.Labels{
@@ -52,7 +53,7 @@ func newQueueMetrics(name string, timeout time.Duration) *queueMetrics {
 			},
 		}),
 
-		queueingQueueLimit: prometheus.NewGauge(prometheus.GaugeOpts{
+		queueingQueueLimit: promauto.NewGauge(prometheus.GaugeOpts{
 			Name: "gitlab_workhorse_queueing_queue_limit",
 			Help: "Current queueLimit set for the queueing mechanism",
 			ConstLabels: prometheus.Labels{
@@ -60,7 +61,7 @@ func newQueueMetrics(name string, timeout time.Duration) *queueMetrics {
 			},
 		}),
 
-		queueingQueueTimeout: prometheus.NewGauge(prometheus.GaugeOpts{
+		queueingQueueTimeout: promauto.NewGauge(prometheus.GaugeOpts{
 			Name: "gitlab_workhorse_queueing_queue_timeout",
 			Help: "Current queueTimeout set for the queueing mechanism",
 			ConstLabels: prometheus.Labels{
@@ -68,7 +69,7 @@ func newQueueMetrics(name string, timeout time.Duration) *queueMetrics {
 			},
 		}),
 
-		queueingBusy: prometheus.NewGauge(prometheus.GaugeOpts{
+		queueingBusy: promauto.NewGauge(prometheus.GaugeOpts{
 			Name: "gitlab_workhorse_queueing_busy",
 			Help: "How many queued requests are now processed",
 			ConstLabels: prometheus.Labels{
@@ -76,7 +77,7 @@ func newQueueMetrics(name string, timeout time.Duration) *queueMetrics {
 			},
 		}),
 
-		queueingWaiting: prometheus.NewGauge(prometheus.GaugeOpts{
+		queueingWaiting: promauto.NewGauge(prometheus.GaugeOpts{
 			Name: "gitlab_workhorse_queueing_waiting",
 			Help: "How many requests are now queued",
 			ConstLabels: prometheus.Labels{
@@ -84,7 +85,7 @@ func newQueueMetrics(name string, timeout time.Duration) *queueMetrics {
 			},
 		}),
 
-		queueingWaitingTime: prometheus.NewHistogram(prometheus.HistogramOpts{
+		queueingWaitingTime: promauto.NewHistogram(prometheus.HistogramOpts{
 			Name: "gitlab_workhorse_queueing_waiting_time",
 			Help: "How many time a request spent in queue",
 			ConstLabels: prometheus.Labels{
@@ -93,7 +94,7 @@ func newQueueMetrics(name string, timeout time.Duration) *queueMetrics {
 			Buckets: waitingTimeBuckets,
 		}),
 
-		queueingErrors: prometheus.NewCounterVec(
+		queueingErrors: promauto.NewCounterVec(
 			prometheus.CounterOpts{
 				Name: "gitlab_workhorse_queueing_errors",
 				Help: "How many times the TooManyRequests or QueueintTimedout errors were returned while queueing, partitioned by error type",
@@ -105,14 +106,6 @@ func newQueueMetrics(name string, timeout time.Duration) *queueMetrics {
 		),
 	}
 
-	prometheus.MustRegister(metrics.queueingLimit)
-	prometheus.MustRegister(metrics.queueingQueueLimit)
-	prometheus.MustRegister(metrics.queueingQueueTimeout)
-	prometheus.MustRegister(metrics.queueingBusy)
-	prometheus.MustRegister(metrics.queueingWaiting)
-	prometheus.MustRegister(metrics.queueingWaitingTime)
-	prometheus.MustRegister(metrics.queueingErrors)
-
 	return metrics
 }
 

internal/redis/keywatcher.go

@@ -9,6 +9,7 @@ import (
 	"github.com/gomodule/redigo/redis"
 	"github.com/jpillora/backoff"
 	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
 	"gitlab.com/gitlab-org/labkit/log"
 
 	"gitlab.com/gitlab-org/gitlab-workhorse/internal/helper"
@@ -24,13 +25,13 @@ var (
 		Factor: 2,
 		Jitter: true,
 	}
-	keyWatchers = prometheus.NewGauge(
+	keyWatchers = promauto.NewGauge(
 		prometheus.GaugeOpts{
 			Name: "gitlab_workhorse_keywatcher_keywatchers",
 			Help: "The number of keys that is being watched by gitlab-workhorse",
 		},
 	)
-	totalMessages = prometheus.NewCounter(
+	totalMessages = promauto.NewCounter(
 		prometheus.CounterOpts{
 			Name: "gitlab_workhorse_keywatcher_total_messages",
 			Help: "How many messages gitlab-workhorse has received in total on pubsub.",
@@ -38,13 +39,6 @@ var (
 	)
 )
 
-func init() {
-	prometheus.MustRegister(
-		keyWatchers,
-		totalMessages,
-	)
-}
-
 const (
 	keySubChannel = "workhorse:notifications"
 )

internal/redis/redis.go

@@ -10,6 +10,7 @@ import (
 	"github.com/FZambia/sentinel"
 	"github.com/gomodule/redigo/redis"
 	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
 	"gitlab.com/gitlab-org/labkit/log"
 
 	"gitlab.com/gitlab-org/gitlab-workhorse/internal/config"
@@ -45,14 +46,14 @@ const (
 )
 
 var (
-	totalConnections = prometheus.NewCounter(
+	totalConnections = promauto.NewCounter(
 		prometheus.CounterOpts{
 			Name: "gitlab_workhorse_redis_total_connections",
 			Help: "How many connections gitlab-workhorse has opened in total. Can be used to track Redis connection rate for this process",
 		},
 	)
 
-	errorCounter = prometheus.NewCounterVec(
+	errorCounter = promauto.NewCounterVec(
 		prometheus.CounterOpts{
 			Name: "gitlab_workhorse_redis_errors",
 			Help: "Counts different types of Redis errors encountered by workhorse, by type and destination (redis, sentinel)",
@@ -61,13 +62,6 @@ var (
 	)
 )
 
-func init() {
-	prometheus.MustRegister(
-		totalConnections,
-		errorCounter,
-	)
-}
-
 func sentinelConn(master string, urls []config.TomlURL) *sentinel.Sentinel {
 	if len(urls) == 0 {
 		return nil

internal/senddata/senddata.go

@@ -8,17 +8,18 @@ import (
 	"gitlab.com/gitlab-org/gitlab-workhorse/internal/senddata/contentprocessor"
 
 	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
 )
 
 var (
-	sendDataResponses = prometheus.NewCounterVec(
+	sendDataResponses = promauto.NewCounterVec(
 		prometheus.CounterOpts{
 			Name: "gitlab_workhorse_senddata_responses",
 			Help: "How many HTTP responses have been hijacked by a workhorse senddata injecter",
 		},
 		[]string{"injecter"},
 	)
-	sendDataResponseBytes = prometheus.NewCounterVec(
+	sendDataResponseBytes = promauto.NewCounterVec(
 		prometheus.CounterOpts{
 			Name: "gitlab_workhorse_senddata_response_bytes",
 			Help: "How many bytes have been written by workhorse senddata response injecters",
@@ -27,11 +28,6 @@ var (
 	)
 )
 
-func init() {
-	prometheus.MustRegister(sendDataResponses)
-	prometheus.MustRegister(sendDataResponseBytes)
-}
-
 type sendDataResponseWriter struct {
 	rw        http.ResponseWriter
 	status    int

internal/sendfile/sendfile.go

@@ -14,6 +14,7 @@ import (
 	"regexp"
 
 	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
 
 	"gitlab.com/gitlab-org/labkit/log"
 	"gitlab.com/gitlab-org/labkit/mask"
@@ -23,7 +24,7 @@ import (
 )
 
 var (
-	sendFileRequests = prometheus.NewCounterVec(
+	sendFileRequests = promauto.NewCounterVec(
 		prometheus.CounterOpts{
 			Name: "gitlab_workhorse_sendfile_requests",
 			Help: "How many X-Sendfile requests have been processed by gitlab-workhorse, partitioned by sendfile type.",
@@ -31,7 +32,7 @@ var (
 		[]string{"type"},
 	)
 
-	sendFileBytes = prometheus.NewCounterVec(
+	sendFileBytes = promauto.NewCounterVec(
 		prometheus.CounterOpts{
 			Name: "gitlab_workhorse_sendfile_bytes",
 			Help: "How many X-Sendfile bytes have been sent by gitlab-workhorse, partitioned by sendfile type.",
@@ -49,11 +50,6 @@ type sendFileResponseWriter struct {
 	req      *http.Request
 }
 
-func init() {
-	prometheus.MustRegister(sendFileRequests)
-	prometheus.MustRegister(sendFileBytes)
-}
-
 func SendFile(h http.Handler) http.Handler {
 	return http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
 		s := &sendFileResponseWriter{

internal/sendurl/sendurl.go

@@ -8,6 +8,7 @@ import (
 	"time"
 
 	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
 
 	"gitlab.com/gitlab-org/labkit/correlation"
 	"gitlab.com/gitlab-org/labkit/log"
@@ -68,20 +69,20 @@ var httpClient = &http.Client{
 }
 
 var (
-	sendURLRequests = prometheus.NewCounterVec(
+	sendURLRequests = promauto.NewCounterVec(
 		prometheus.CounterOpts{
 			Name: "gitlab_workhorse_send_url_requests",
 			Help: "How many send URL requests have been processed",
 		},
 		[]string{"status"},
 	)
-	sendURLOpenRequests = prometheus.NewGauge(
+	sendURLOpenRequests = promauto.NewGauge(
 		prometheus.GaugeOpts{
 			Name: "gitlab_workhorse_send_url_open_requests",
 			Help: "Describes how many send URL requests are open now",
 		},
 	)
-	sendURLBytes = prometheus.NewCounter(
+	sendURLBytes = promauto.NewCounter(
 		prometheus.CounterOpts{
 			Name: "gitlab_workhorse_send_url_bytes",
 			Help: "How many bytes were passed with send URL",
@@ -93,13 +94,6 @@ var (
 	sendURLRequestsSucceeded     = sendURLRequests.WithLabelValues("succeeded")
 )
 
-func init() {
-	prometheus.MustRegister(
-		sendURLRequests,
-		sendURLOpenRequests,
-		sendURLBytes)
-}
-
 func (e *entry) Inject(w http.ResponseWriter, r *http.Request, sendData string) {
 	var params entryParams
 

internal/staticpages/error_pages.go

@@ -8,12 +8,13 @@ import (
 	"path/filepath"
 
 	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
 
 	"gitlab.com/gitlab-org/gitlab-workhorse/internal/helper"
 )
 
 var (
-	staticErrorResponses = prometheus.NewCounterVec(
+	staticErrorResponses = promauto.NewCounterVec(
 		prometheus.CounterOpts{
 			Name: "gitlab_workhorse_static_error_responses",
 			Help: "How many HTTP responses have been changed to a static error page, by HTTP status code.",
@@ -30,10 +31,6 @@ const (
 	ErrorFormatText
 )
 
-func init() {
-	prometheus.MustRegister(staticErrorResponses)
-}
-
 type errorPageResponseWriter struct {
 	rw       http.ResponseWriter
 	status   int

internal/upload/rewrite.go

@@ -11,6 +11,7 @@ import (
 	"strings"
 
 	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
 	"gitlab.com/gitlab-org/labkit/log"
 
 	"gitlab.com/gitlab-org/gitlab-workhorse/internal/api"
@@ -23,7 +24,7 @@ import (
 var ErrInjectedClientParam = errors.New("injected client parameter")
 
 var (
-	multipartUploadRequests = prometheus.NewCounterVec(
+	multipartUploadRequests = promauto.NewCounterVec(
 		prometheus.CounterOpts{
 
 			Name: "gitlab_workhorse_multipart_upload_requests",
@@ -32,7 +33,7 @@ var (
 		[]string{"type"},
 	)
 
-	multipartFileUploadBytes = prometheus.NewCounterVec(
+	multipartFileUploadBytes = promauto.NewCounterVec(
 		prometheus.CounterOpts{
 			Name: "gitlab_workhorse_multipart_upload_bytes",
 			Help: "How many disk bytes of multipart file parts have been successfully written by gitlab-workhorse. Partitioned by type.",
@@ -40,7 +41,7 @@ var (
 		[]string{"type"},
 	)
 
-	multipartFiles = prometheus.NewCounterVec(
+	multipartFiles = promauto.NewCounterVec(
 		prometheus.CounterOpts{
 			Name: "gitlab_workhorse_multipart_upload_files",
 			Help: "How many multipart file parts have been processed by gitlab-workhorse. Partitioned by type.",
@@ -56,12 +57,6 @@ type rewriter struct {
 	finalizedFields map[string]bool
 }
 
-func init() {
-	prometheus.MustRegister(multipartUploadRequests)
-	prometheus.MustRegister(multipartFileUploadBytes)
-	prometheus.MustRegister(multipartFiles)
-}
-
 func rewriteFormFilesFromMultipart(r *http.Request, writer *multipart.Writer, preauth *api.Response, filter MultipartFormProcessor, opts *filestore.SaveFileOpts) error {
 	// Create multipart reader
 	reader, err := r.MultipartReader()

internal/upstream/metrics.go

@@ -4,6 +4,7 @@ import (
 	"net/http"
 
 	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
 )
 
@@ -40,14 +41,14 @@ func byteSizeBuckets() []float64 {
 }
 
 var (
-	httpInFlightRequests = prometheus.NewGauge(prometheus.GaugeOpts{
+	httpInFlightRequests = promauto.NewGauge(prometheus.GaugeOpts{
 		Namespace: namespace,
 		Subsystem: httpSubsystem,
 		Name:      "in_flight_requests",
 		Help:      "A gauge of requests currently being served by workhorse.",
 	})
 
-	httpRequestsTotal = prometheus.NewCounterVec(
+	httpRequestsTotal = promauto.NewCounterVec(
 		prometheus.CounterOpts{
 			Namespace: namespace,
 			Subsystem: httpSubsystem,
@@ -57,7 +58,7 @@ var (
 		[]string{"code", "method", "route"},
 	)
 
-	httpRequestDurationSeconds = prometheus.NewHistogramVec(
+	httpRequestDurationSeconds = promauto.NewHistogramVec(
 		prometheus.HistogramOpts{
 			Namespace: namespace,
 			Subsystem: httpSubsystem,
@@ -68,7 +69,7 @@ var (
 		[]string{"code", "method", "route"},
 	)
 
-	httpRequestSizeBytes = prometheus.NewHistogramVec(
+	httpRequestSizeBytes = promauto.NewHistogramVec(
 		prometheus.HistogramOpts{
 			Namespace: namespace,
 			Subsystem: httpSubsystem,
@@ -79,7 +80,7 @@ var (
 		[]string{"code", "method", "route"},
 	)
 
-	httpResponseSizeBytes = prometheus.NewHistogramVec(
+	httpResponseSizeBytes = promauto.NewHistogramVec(
 		prometheus.HistogramOpts{
 			Namespace: namespace,
 			Subsystem: httpSubsystem,
@@ -90,7 +91,7 @@ var (
 		[]string{"code", "method", "route"},
 	)
 
-	httpTimeToWriteHeaderSeconds = prometheus.NewHistogramVec(
+	httpTimeToWriteHeaderSeconds = promauto.NewHistogramVec(
 		prometheus.HistogramOpts{
 			Namespace: namespace,
 			Subsystem: httpSubsystem,
@@ -102,14 +103,6 @@ var (
 	)
 )
 
-func init() {
-	prometheus.MustRegister(httpInFlightRequests)
-	prometheus.MustRegister(httpRequestsTotal)
-	prometheus.MustRegister(httpRequestDurationSeconds)
-	prometheus.MustRegister(httpRequestSizeBytes)
-	prometheus.MustRegister(httpTimeToWriteHeaderSeconds)
-}
-
 func instrumentRoute(next http.Handler, method string, regexpStr string) http.Handler {
 	handler := next