replace ioutil, errors, go-1.16 (#26)

.github/workflows/master.yaml

@@ -15,7 +15,7 @@ jobs:
       - name: Lint
         uses: golangci/golangci-lint-action@v2
         with:
-          version: v1.32.2
+          args: -p bugs -p unused
 
       - name: Docker Image
         uses: fi-ts/action-docker-make@master

.github/workflows/pull_request.yaml

@@ -19,7 +19,7 @@ jobs:
       - name: Lint
         uses: golangci/golangci-lint-action@v2
         with:
-          version: v1.32.2
+          args: -p bugs -p unused
 
       - name: Set tag
         run: |

.github/workflows/release.yaml

@@ -15,7 +15,7 @@ jobs:
       - name: Lint
         uses: golangci/golangci-lint-action@v2
         with:
-          version: v1.32.2
+          args: -p bugs -p unused
 
       - name: Set tag
         run: |

Dockerfile

@@ -1,6 +1,6 @@
 FROM metalstack/builder:latest as builder
 
-FROM alpine:3.12
+FROM alpine:3.14
 
 RUN apk add \
     ca-certificates \

go.mod

@@ -1,14 +1,13 @@
 module github.com/metal-stack/bmc-catcher
 
-go 1.15
+go 1.16
 
 require (
 	github.com/kelseyhightower/envconfig v1.4.0
-	github.com/metal-stack/go-hal v0.3.0
-	github.com/metal-stack/metal-go v0.12.2
-	github.com/metal-stack/v v1.0.2
-	github.com/pkg/errors v0.9.1
+	github.com/metal-stack/go-hal v0.3.4
+	github.com/metal-stack/metal-go v0.15.1
+	github.com/metal-stack/v v1.0.3
 	github.com/stretchr/testify v1.7.0
-	go.uber.org/zap v1.16.0
-	go.universe.tf/netboot v0.0.0-20201124111825-bdaec9d82638
+	go.uber.org/zap v1.18.1
+	go.universe.tf/netboot v0.0.0-20210617221821-fc2840fa7b05
 )

internal/leases/leases.go

@@ -1,8 +1,8 @@
 package leases
 
 import (
-	"github.com/pkg/errors"
-	"io/ioutil"
+	"fmt"
+	"os"
 	"time"
 )
 
@@ -34,13 +34,13 @@ func ReadLeases(leaseFile string) (Leases, error) {
 	leasesContent := mustRead(leaseFile)
 	leases, err := Parse(leasesContent)
 	if err != nil {
-		return nil, errors.Wrapf(err, "could not parse leases file")
+		return nil, fmt.Errorf("could not parse leases file:%w", err)
 	}
 	return leases, nil
 }
 
 func mustRead(name string) string {
-	c, err := ioutil.ReadFile(name)
+	c, err := os.ReadFile(name)
 	if err != nil {
 		panic(err)
 	}