.circleci/config.yml

@@ -25,7 +25,6 @@ jobs:
             - go/load-cache:
                 key: v1-go<< parameters.go_version >>
       - run: make test
-      - run: make -C sigv4 test
       - when:
           condition: << parameters.use_gomod_cache >>
           steps:
@@ -74,7 +73,6 @@ jobs:
             - go/load-cache:
                 key: v1-go<< parameters.go_version >>
       - run: make style
-      - run: make -C sigv4 style
       - run: make -C assets style
       - run: make check-go-mod-version
       - when:

.github/dependabot.yml

@@ -8,7 +8,3 @@ updates:
     directory: "/assets"
     schedule:
       interval: monthly
-  - package-ecosystem: "gomod"
-    directory: "/sigv4"
-    schedule:
-      interval: monthly

.github/workflows/golangci-lint.yml

@@ -26,7 +26,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Install Go
-        uses: actions/setup-go@41dfa10bad2bb2ae585af6ee5bb4d7d973ad74ed # v5.1.0
+        uses: actions/setup-go@3041bf56c941b39c61721a86cd11f3bb1338122a # v5.2.0
         with:
           go-version: 1.23.x
       - name: Install snmp_exporter/generator dependencies
@@ -36,4 +36,4 @@ jobs:
         uses: golangci/golangci-lint-action@971e284b6050e8a5849b72094c50ab08da042db8 # v6.1.1
         with:
           args: --verbose
-          version: v1.62.0
+          version: v1.63.4

Makefile.common

@@ -61,7 +61,7 @@ PROMU_URL     := https://github.com/prometheus/promu/releases/download/v$(PROMU_
 SKIP_GOLANGCI_LINT :=
 GOLANGCI_LINT :=
 GOLANGCI_LINT_OPTS ?=
-GOLANGCI_LINT_VERSION ?= v1.62.0
+GOLANGCI_LINT_VERSION ?= v1.63.4
 # golangci-lint only supports linux, darwin and windows platforms on i386/amd64/arm64.
 # windows isn't included here because of the path separator being different.
 ifeq ($(GOHOSTOS),$(filter $(GOHOSTOS),linux darwin))

README.md

@@ -9,7 +9,6 @@ any stability guarantees for external usage.
 * **config**: Common configuration structures
 * **expfmt**: Decoding and encoding for the exposition format
 * **model**: Shared data structures
-* **promlog**: A logging wrapper around [go-kit/log](https://github.com/go-kit/kit/tree/master/log)
 * **promslog**: A logging wrapper around [log/slog](https://pkg.go.dev/log/slog)
 * **route**: A routing wrapper around [httprouter](https://github.com/julienschmidt/httprouter) using `context.Context`
 * **server**: Common servers

config/http_config.go

@@ -52,7 +52,8 @@ var (
 		http2Enabled:      true,
 		// 5 minutes is typically above the maximum sane scrape interval. So we can
 		// use keepalive for all configurations.
-		idleConnTimeout: 5 * time.Minute,
+		idleConnTimeout:  5 * time.Minute,
+		newTLSConfigFunc: NewTLSConfigWithContext,
 	}
 )
 
@@ -452,8 +453,12 @@ func (a *BasicAuth) UnmarshalYAML(unmarshal func(interface{}) error) error {
 // by net.Dialer.
 type DialContextFunc func(context.Context, string, string) (net.Conn, error)
 
+// NewTLSConfigFunc returns tls.Config.
+type NewTLSConfigFunc func(context.Context, *TLSConfig, ...TLSConfigOption) (*tls.Config, error)
+
 type httpClientOptions struct {
 	dialContextFunc   DialContextFunc
+	newTLSConfigFunc  NewTLSConfigFunc
 	keepAlivesEnabled bool
 	http2Enabled      bool
 	idleConnTimeout   time.Duration
@@ -473,13 +478,23 @@ func (f httpClientOptionFunc) applyToHTTPClientOptions(options *httpClientOption
 	f(options)
 }
 
-// WithDialContextFunc allows you to override func gets used for the actual dialing. The default is `net.Dialer.DialContext`.
+// WithDialContextFunc allows you to override the func gets used for the dialing.
+// The default is `net.Dialer.DialContext`.
 func WithDialContextFunc(fn DialContextFunc) HTTPClientOption {
 	return httpClientOptionFunc(func(opts *httpClientOptions) {
 		opts.dialContextFunc = fn
 	})
 }
 
+// WithNewTLSConfigFunc allows you to override the func that creates the TLS config
+// from the prometheus http config.
+// The default is `NewTLSConfigWithContext`.
+func WithNewTLSConfigFunc(newTLSConfigFunc NewTLSConfigFunc) HTTPClientOption {
+	return httpClientOptionFunc(func(opts *httpClientOptions) {
+		opts.newTLSConfigFunc = newTLSConfigFunc
+	})
+}
+
 // WithKeepAlivesDisabled allows to disable HTTP keepalive.
 func WithKeepAlivesDisabled() HTTPClientOption {
 	return httpClientOptionFunc(func(opts *httpClientOptions) {
@@ -670,7 +685,7 @@ func NewRoundTripperFromConfigWithContext(ctx context.Context, cfg HTTPClientCon
 		return rt, nil
 	}
 
-	tlsConfig, err := NewTLSConfig(&cfg.TLSConfig, WithSecretManager(opts.secretManager))
+	tlsConfig, err := opts.newTLSConfigFunc(ctx, &cfg.TLSConfig, WithSecretManager(opts.secretManager))
 	if err != nil {
 		return nil, err
 	}
@@ -679,6 +694,7 @@ func NewRoundTripperFromConfigWithContext(ctx context.Context, cfg HTTPClientCon
 	if err != nil {
 		return nil, err
 	}
+
 	if tlsSettings.immutable() {
 		// No need for a RoundTripper that reloads the files automatically.
 		return newRT(tlsConfig)

expfmt/openmetrics_create.go

@@ -38,7 +38,7 @@ type EncoderOption func(*encoderOption)
 
 // WithCreatedLines is an EncoderOption that configures the OpenMetrics encoder
 // to include _created lines (See
-// https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#counter-1).
+// https://github.com/prometheus/OpenMetrics/blob/v1.0.0/specification/OpenMetrics.md#counter-1).
 // Created timestamps can improve the accuracy of series reset detection, but
 // come with a bandwidth cost.
 //
@@ -102,7 +102,7 @@ func WithUnit() EncoderOption {
 //
 //   - According to the OM specs, the `# UNIT` line is optional, but if populated,
 //     the unit has to be present in the metric name as its suffix:
-//     (see https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#unit).
+//     (see https://github.com/prometheus/OpenMetrics/blob/v1.0.0/specification/OpenMetrics.md#unit).
 //     However, in order to accommodate any potential scenario where such a change in the
 //     metric name is not desirable, the users are here given the choice of either explicitly
 //     opt in, in case they wish for the unit to be included in the output AND in the metric name

go.mod

@@ -4,16 +4,15 @@ go 1.21
 
 require (
 	github.com/alecthomas/kingpin/v2 v2.4.0
-	github.com/go-kit/log v0.2.1
 	github.com/google/go-cmp v0.6.0
 	github.com/julienschmidt/httprouter v1.3.0
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822
 	github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f
 	github.com/prometheus/client_model v0.6.1
 	github.com/stretchr/testify v1.10.0
-	golang.org/x/net v0.32.0
+	golang.org/x/net v0.33.0
 	golang.org/x/oauth2 v0.24.0
-	google.golang.org/protobuf v1.35.2
+	google.golang.org/protobuf v1.36.1
 	gopkg.in/yaml.v2 v2.4.0
 )
 
@@ -22,7 +21,6 @@ require (
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/go-logfmt/logfmt v0.5.1 // indirect
 	github.com/jpillora/backoff v1.0.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/prometheus/client_golang v1.20.4 // indirect

go.sum

@@ -9,10 +9,6 @@ github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XL
 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/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/go-kit/log v0.2.1 h1:MRVx0/zhvdseW+Gza6N9rVzU/IVzaeE1SFI4raAhmBU=
-github.com/go-kit/log v0.2.1/go.mod h1:NwTd00d/i8cPZ3xOwwiv2PO5MOcx78fFErGNcVmBjv0=
-github.com/go-logfmt/logfmt v0.5.1 h1:otpy5pqBCBZ1ng9RQ0dPu4PN7ba75Y/aA+UpowDyNVA=
-github.com/go-logfmt/logfmt v0.5.1/go.mod h1:WYhtIu8zTZfxdn5+rREduYbwxfcBr/Vr6KEVveWlfTs=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/jpillora/backoff v1.0.0 h1:uvFg412JmmHBHw7iwprIxkPMI+sGQ4kzOWsMeHnm2EA=
@@ -47,16 +43,16 @@ github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOf
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 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/net v0.32.0 h1:ZqPmj8Kzc+Y6e0+skZsuACbx+wzMgo5MQsJh9Qd6aYI=
-golang.org/x/net v0.32.0/go.mod h1:CwU0IoeOlnQQWJ6ioyFrfRuomB8GKF6KbYXZVyeXNfs=
+golang.org/x/net v0.33.0 h1:74SYHlV8BIgHIFC/LrYkOGIwL19eTYXQ5wc6TBuO36I=
+golang.org/x/net v0.33.0/go.mod h1:HXLR5J+9DxmrqMwG9qjGCxZ+zKXxBru04zlTvWlWuN4=
 golang.org/x/oauth2 v0.24.0 h1:KTBBxWqUa0ykRPLtV69rRto9TLXcqYkeswu48x/gvNE=
 golang.org/x/oauth2 v0.24.0/go.mod h1:XYTD2NtWslqkgxebSiOHnXEap4TF09sJSc7H1sXbhtI=
 golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
 golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=
 golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
-google.golang.org/protobuf v1.35.2 h1:8Ar7bF+apOIoThw1EdZl0p1oWvMqTHmpA2fRTyZO8io=
-google.golang.org/protobuf v1.35.2/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
+google.golang.org/protobuf v1.36.1 h1:yBPeRvTftaleIgM3PZ/WBIZ7XM/eEYAaEyCwvyjq/gk=
+google.golang.org/protobuf v1.36.1/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
 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=

model/alert_test.go

@@ -22,6 +22,11 @@ import (
 )
 
 func TestAlertValidate(t *testing.T) {
+	oldScheme := NameValidationScheme
+	NameValidationScheme = LegacyValidation
+	defer func() {
+		NameValidationScheme = oldScheme
+	}()
 	ts := time.Now()
 
 	cases := []struct {

model/metric.go

@@ -28,13 +28,13 @@ import (
 
 var (
 	// NameValidationScheme determines the method of name validation to be used by
-	// all calls to IsValidMetricName() and LabelName IsValid(). Setting UTF-8 mode
-	// in isolation from other components that don't support UTF-8 may result in
-	// bugs or other undefined behavior. This value is intended to be set by
-	// UTF-8-aware binaries as part of their startup. To avoid need for locking,
-	// this value should be set once, ideally in an init(), before multiple
-	// goroutines are started.
-	NameValidationScheme = LegacyValidation
+	// all calls to IsValidMetricName() and LabelName IsValid(). Setting UTF-8
+	// mode in isolation from other components that don't support UTF-8 may result
+	// in bugs or other undefined behavior. This value can be set to
+	// LegacyValidation during startup if a binary is not UTF-8-aware binaries. To
+	// avoid need for locking, this value should be set once, ideally in an
+	// init(), before multiple goroutines are started.
+	NameValidationScheme = UTF8Validation
 
 	// NameEscapingScheme defines the default way that names will be escaped when
 	// presented to systems that do not support UTF-8 names. If the Content-Type