Merge pull request #107 from mrueg/drop-errors-pkg

web: Replace pkg/errors with stdlib errors

go.mod

@@ -4,7 +4,6 @@ go 1.17
 
 require (
 	github.com/go-kit/log v0.2.1
-	github.com/pkg/errors v0.9.1
 	github.com/prometheus/common v0.37.0
 	golang.org/x/crypto v0.0.0-20220315160706-3147a52a75dd
 	gopkg.in/alecthomas/kingpin.v2 v2.2.6

go.sum

@@ -163,7 +163,6 @@ github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f h1:KUppIJq7/+
 github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
-github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=

web/tls_config.go

@@ -16,6 +16,7 @@ package web
 import (
 	"crypto/tls"
 	"crypto/x509"
+	"errors"
 	"fmt"
 	"net"
 	"net/http"
@@ -24,7 +25,6 @@ import (
 
 	"github.com/go-kit/log"
 	"github.com/go-kit/log/level"
-	"github.com/pkg/errors"
 	config_util "github.com/prometheus/common/config"
 	"gopkg.in/yaml.v2"
 )
@@ -109,7 +109,7 @@ func ConfigToTLSConfig(c *TLSStruct) (*tls.Config, error) {
 	loadCert := func() (*tls.Certificate, error) {
 		cert, err := tls.LoadX509KeyPair(c.TLSCertPath, c.TLSKeyPath)
 		if err != nil {
-			return nil, errors.Wrap(err, "failed to load X509KeyPair")
+			return nil, fmt.Errorf("failed to load X509KeyPair: %w", err)
 		}
 		return &cert, nil
 	}