Revert "Fix logging after the move to go-kit/log (#9021)"

This reverts commit 642722e5d0.

Signed-off-by: Levi Harrison <git@leviharrison.dev>

.golangci.yml

@@ -22,7 +22,6 @@ linters-settings:
     packages-with-error-message:
       - sync/atomic: "Use go.uber.org/atomic instead of sync/atomic"
       - github.com/stretchr/testify/assert: "Use github.com/stretchr/testify/require instead of github.com/stretchr/testify/assert"
-      # Temporarily commenting until a solution for removing it from klog is found.
+      - github.com/go-kit/kit/log: "Use github.com/go-kit/log instead of github.com/go-kit/kit/log"
-      # - github.com/go-kit/kit/log: "Use github.com/go-kit/log instead of github.com/go-kit/kit/log"
   errcheck:
     exclude: scripts/errcheck_excludes.txt

cmd/prometheus/main.go

@@ -35,7 +35,6 @@ import (
 	"time"
 
 	"github.com/alecthomas/units"
-	kitloglevel "github.com/go-kit/kit/log/level"
 	"github.com/go-kit/log"
 	"github.com/go-kit/log/level"
 	conntrack "github.com/mwitkow/go-conntrack"
@@ -420,27 +419,11 @@ func main() {
 	noStepSubqueryInterval := &safePromQLNoStepSubqueryInterval{}
 	noStepSubqueryInterval.Set(config.DefaultGlobalConfig.EvaluationInterval)
 
-	// FIXME: Temporary workaround until a proper solution is found. go-kit's
-	// level packages use private types to determine the level so we have to use
-	// the same level package as the underlying library.
-	var lvl kitloglevel.Option
-	switch cfg.promlogConfig.Level.String() {
-	case "debug":
-		lvl = kitloglevel.AllowDebug()
-	case "info":
-		lvl = kitloglevel.AllowInfo()
-	case "warn":
-		lvl = kitloglevel.AllowWarn()
-	case "error":
-		lvl = kitloglevel.AllowError()
-	}
-	kloglogger := kitloglevel.NewFilter(logger, lvl)
-
 	// Above level 6, the k8s client would log bearer tokens in clear-text.
 	klog.ClampLevel(6)
-	klog.SetLogger(log.With(kloglogger, "component", "k8s_client_runtime"))
+	klog.SetLogger(log.With(logger, "component", "k8s_client_runtime"))
 	klogv2.ClampLevel(6)
-	klogv2.SetLogger(log.With(kloglogger, "component", "k8s_client_runtime"))
+	klogv2.SetLogger(log.With(logger, "component", "k8s_client_runtime"))
 
 	level.Info(logger).Log("msg", "Starting Prometheus", "version", version.Info())
 	if bits.UintSize < 64 {

go.mod

@@ -20,7 +20,6 @@ require (
 	github.com/edsrzf/mmap-go v1.0.0
 	github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d
 	github.com/envoyproxy/protoc-gen-validate v0.1.0
-	github.com/go-kit/kit v0.10.0
 	github.com/go-kit/log v0.1.0
 	github.com/go-logfmt/logfmt v0.5.0
 	github.com/go-openapi/strfmt v0.20.1
@@ -48,7 +47,7 @@ require (
 	github.com/prometheus/client_golang v1.11.0
 	github.com/prometheus/client_model v0.2.0
 	github.com/prometheus/common v0.29.0
-	github.com/prometheus/exporter-toolkit v0.6.0
+	github.com/prometheus/exporter-toolkit v0.5.1
 	github.com/scaleway/scaleway-sdk-go v1.0.0-beta.7.0.20210223165440-c65ae3540d44
 	github.com/shurcooL/httpfs v0.0.0-20190707220628-8d4bc4ba7749
 	github.com/shurcooL/vfsgen v0.0.0-20200824052919-0d455de96546
@@ -60,7 +59,7 @@ require (
 	golang.org/x/net v0.0.0-20210610132358-84b48f89b13b
 	golang.org/x/oauth2 v0.0.0-20210514164344-f6687ab2804c
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
-	golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1
+	golang.org/x/sys v0.0.0-20210611083646-a4fc73990273
 	golang.org/x/time v0.0.0-20210611083556-38a9dc6acbc6
 	golang.org/x/tools v0.1.3
 	google.golang.org/api v0.48.0

go.sum

@@ -1091,9 +1091,8 @@ github.com/prometheus/common v0.23.0/go.mod h1:H6QK/N6XVT42whUeIdI3dp36w49c+/iMD
 github.com/prometheus/common v0.26.0/go.mod h1:M7rCNAaPfAosfx8veZJCuw84e35h3Cfd9VFqTh1DIvc=
 github.com/prometheus/common v0.29.0 h1:3jqPBvKT4OHAbje2Ql7KeaaSicDBCxMYwEJU1zRJceE=
 github.com/prometheus/common v0.29.0/go.mod h1:vu+V0TpY+O6vW9J44gczi3Ap/oXXR10b+M/gUGO4Hls=
+github.com/prometheus/exporter-toolkit v0.5.1 h1:9eqgis5er9xN613ZSADjypCJaDGj9ZlcWBvsIHa8/3c=
 github.com/prometheus/exporter-toolkit v0.5.1/go.mod h1:OCkM4805mmisBhLmVFw858QYi3v0wKdY6/UxrT0pZVg=
-github.com/prometheus/exporter-toolkit v0.6.0 h1:rGoS9gIqj3sXaw+frvo0ozCs1CxBRqpOCGsbixC52UI=
-github.com/prometheus/exporter-toolkit v0.6.0/go.mod h1:ZUBIj498ePooX9t/2xtDjeQYwvRpiPP2lh5u4iblj2g=
 github.com/prometheus/procfs v0.0.0-20180125133057-cb4147076ac7/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
 github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
 github.com/prometheus/procfs v0.0.0-20190117184657-bf6a532e95b1/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
@@ -1324,9 +1323,8 @@ golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0/go.mod h1:LzIPMQfyMNhhGPh
 golang.org/x/crypto v0.0.0-20201208171446-5f87f3452ae9/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
 golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
 golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
+golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2 h1:It14KIkyBFYkHkwZ7k45minvA9aorojkyjGk9KJ5B/w=
 golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
-golang.org/x/crypto v0.0.0-20210616213533-5ff15b29337e h1:gsTQYXdTw2Gq7RBsWvlQ91b+aEQ6bXFUngBGuR8sPpI=
-golang.org/x/crypto v0.0.0-20210616213533-5ff15b29337e/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/exp v0.0.0-20180321215751-8460e604b9de/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20180807140117-3d87b88a115f/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
@@ -1561,8 +1559,8 @@ golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20210514084401-e8d321eab015/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210603125802-9665404d3644/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1 h1:SrN+KX8Art/Sf4HNj6Zcz06G7VEz+7w9tdXTPOZ7+l4=
+golang.org/x/sys v0.0.0-20210611083646-a4fc73990273 h1:faDu4veV+8pcThn4fewv6TVlNCezafGoC1gM/mxQLbQ=
-golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20210611083646-a4fc73990273/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210220032956-6a3ed077a48d h1:SZxvLBoTP5yHO3Frd4z4vrF+DBX9vMVanchswa69toE=