deps: update go version to 1.16, bump kubebuilder

.github/workflows/deploy.yml

@@ -45,7 +45,7 @@ jobs:
     - name: install
       uses: actions/setup-go@v2
       with:
-        go-version: 1.15.5
+        go-version: 1.16
 
     - name: gpg init
       if: github.event_name != 'pull_request'

.github/workflows/integration.yml

@@ -28,7 +28,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v2
         with:
-          go-version: 1.15
+          go-version: 1.16
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0

.github/workflows/test-ansible.yml

@@ -28,7 +28,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v2
         with:
-          go-version: 1.15
+          go-version: 1.16
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0
@@ -43,7 +43,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v2
         with:
-          go-version: 1.15
+          go-version: 1.16
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0

.github/workflows/test-go.yml

@@ -28,7 +28,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v2
         with:
-          go-version: 1.15
+          go-version: 1.16
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0
@@ -43,7 +43,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v2
         with:
-          go-version: 1.15
+          go-version: 1.16
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0

.github/workflows/test-helm.yml

@@ -28,7 +28,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v2
         with:
-          go-version: 1.15
+          go-version: 1.16
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0

.github/workflows/test-sanity.yml

@@ -28,7 +28,7 @@ jobs:
     steps:
     - uses: actions/setup-go@v2
       with:
-        go-version: 1.15
+        go-version: 1.16
       id: go
     - uses: actions/checkout@v2
       with:

changelog/fragments/go1.16.yaml

@@ -0,0 +1,4 @@
+entries:
+  - description: >
+      (go/v3) Upgraded Go version to 1.16.
+    kind: change

go.mod

@@ -1,6 +1,6 @@
 module github.com/operator-framework/operator-sdk
 
-go 1.15
+go 1.16
 
 require (
 	github.com/blang/semver/v4 v4.0.0
@@ -9,6 +9,7 @@ require (
 	github.com/iancoleman/strcase v0.0.0-20191112232945-16388991a334
 	github.com/kr/text v0.1.0
 	github.com/markbates/inflect v1.0.4
+	github.com/maxbrunsfeld/counterfeiter/v6 v6.2.2
 	github.com/onsi/ginkgo v1.15.2
 	github.com/onsi/gomega v1.11.0
 	github.com/operator-framework/api v0.8.1
@@ -50,7 +51,7 @@ replace (
 	github.com/containerd/containerd => github.com/containerd/containerd v1.4.3
 	github.com/mattn/go-sqlite3 => github.com/mattn/go-sqlite3 v1.10.0
 	golang.org/x/text => golang.org/x/text v0.3.3 // Required to fix CVE-2020-14040
-	sigs.k8s.io/kubebuilder/v3 => sigs.k8s.io/kubebuilder/v3 v3.0.0-alpha.0.0.20210511221939-53b7bf2fc477
+	sigs.k8s.io/kubebuilder/v3 => sigs.k8s.io/kubebuilder/v3 v3.0.0-alpha.0.0.20210518234629-191170994550
 )
 
 exclude github.com/spf13/viper v1.3.2 // Required to fix CVE-2018-1098

hack/generate/samples/internal/go/v2/memcached_with_webhooks.go

@@ -17,6 +17,7 @@ package v2
 import (
 	"fmt"
 	"os"
+	"os/exec"
 	"path/filepath"
 	"strings"
 
@@ -100,6 +101,11 @@ func (mh *Memcached) Run() {
 	mh.uncommentDefaultKustomization()
 	mh.uncommentManifestsKustomization()
 
+	cmd := exec.Command("go", "mod", "tidy")
+	cmd.Dir = mh.ctx.Dir
+	_, err = mh.ctx.Run(cmd)
+	pkg.CheckError("Running go mod tidy", err)
+
 	log.Infof("creating the bundle")
 	err = mh.ctx.GenerateBundle()
 	pkg.CheckError("creating the bundle", err)

hack/generate/samples/internal/go/v3/memcached_with_webhooks.go

@@ -17,6 +17,7 @@ package v3
 import (
 	"fmt"
 	"os"
+	"os/exec"
 	"path/filepath"
 	"strings"
 
@@ -100,6 +101,11 @@ func (mh *Memcached) Run() {
 	mh.uncommentDefaultKustomization()
 	mh.uncommentManifestsKustomization()
 
+	cmd := exec.Command("go", "mod", "tidy")
+	cmd.Dir = mh.ctx.Dir
+	_, err = mh.ctx.Run(cmd)
+	pkg.CheckError("Running go mod tidy", err)
+
 	log.Infof("creating the bundle")
 	err = mh.ctx.GenerateBundle()
 	pkg.CheckError("creating the bundle", err)
@@ -234,25 +240,31 @@ func (mh *Memcached) implementingController() {
 
 	// Replace reconcile content
 	err = util.ReplaceInFile(controllerPath,
-		fmt.Sprintf("_ = r.Log.WithValues(\"%s\", req.NamespacedName)", strings.ToLower(mh.ctx.Kind)),
-		fmt.Sprintf("log := r.Log.WithValues(\"%s\", req.NamespacedName)", strings.ToLower(mh.ctx.Kind)))
-	pkg.CheckError("replacing reconcile content", err)
+		`"sigs.k8s.io/controller-runtime/pkg/log"`,
+		`ctrllog "sigs.k8s.io/controller-runtime/pkg/log"`,
+	)
+	pkg.CheckError("replacing controller log import", err)
+	err = util.ReplaceInFile(controllerPath,
+		"_ = log.FromContext(ctx)",
+		"log := ctrllog.FromContext(ctx)",
+	)
+	pkg.CheckError("replacing controller logger construction", err)
 
 	// Add reconcile implementation
 	err = util.ReplaceInFile(controllerPath,
 		"// your logic here", reconcileFragment)
-	pkg.CheckError("replacing reconcile", err)
+	pkg.CheckError("replacing reconcile content", err)
 
 	// Add helpers funcs to the controller
 	err = kbtestutils.InsertCode(controllerPath,
 		"return ctrl.Result{}, nil\n}", controllerFuncsFragment)
-	pkg.CheckError("adding helpers methods in the controller", err)
+	pkg.CheckError("adding helper methods in the controller", err)
 
 	// Add watch for the Kind
 	err = util.ReplaceInFile(controllerPath,
 		fmt.Sprintf(watchOriginalFragment, mh.ctx.Group, mh.ctx.Version, mh.ctx.Kind),
 		fmt.Sprintf(watchCustomizedFragment, mh.ctx.Group, mh.ctx.Version, mh.ctx.Kind))
-	pkg.CheckError("replacing reconcile", err)
+	pkg.CheckError("replacing add controller to manager", err)
 }
 
 // nolint:gosec

images/ansible-operator/Dockerfile

@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM --platform=$BUILDPLATFORM golang:1.15 as builder
+FROM --platform=$BUILDPLATFORM golang:1.16 as builder
 ARG TARGETARCH
 
 WORKDIR /workspace

images/custom-scorecard-tests/Dockerfile

@@ -1,5 +1,5 @@
 # Build the custom-scorecard-tests binary
-FROM --platform=$BUILDPLATFORM golang:1.15 as builder
+FROM --platform=$BUILDPLATFORM golang:1.16 as builder
 ARG TARGETARCH
 
 WORKDIR /workspace

images/helm-operator/Dockerfile

@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM --platform=$BUILDPLATFORM golang:1.15 as builder
+FROM --platform=$BUILDPLATFORM golang:1.16 as builder
 ARG TARGETARCH
 
 WORKDIR /workspace

images/operator-sdk/Dockerfile

@@ -1,5 +1,5 @@
 # Build the operator-sdk binary
-FROM --platform=$BUILDPLATFORM golang:1.15 as builder
+FROM --platform=$BUILDPLATFORM golang:1.16 as builder
 ARG TARGETARCH
 
 WORKDIR /workspace
@@ -19,7 +19,16 @@ RUN GOOS=linux GOARCH=$TARGETARCH make build/operator-sdk
 # Final image.
 FROM registry.access.redhat.com/ubi8/ubi-minimal:8.3
 
-RUN microdnf install -y golang make which
+ENV GO_VERSION 1.16.4
+
+ARG TARGETARCH
+RUN microdnf install -y make which tar gzip
+RUN curl -sSLo /tmp/go.tar.gz https://golang.org/dl/go${GO_VERSION}.linux-${TARGETARCH}.tar.gz \
+	&& rm -rf /usr/local/go \
+	&& tar -C /usr/local -xzf /tmp/go.tar.gz \
+	&& ln -sf /usr/local/go/bin/* /usr/local/bin/ \
+	&& rm -f /tmp/go.tar.gz \
+	&& go version
 
 COPY --from=builder /workspace/build/operator-sdk /usr/local/bin/operator-sdk
 

images/scorecard-test-kuttl/Dockerfile

@@ -1,5 +1,5 @@
 # Build the scorecard-test-kuttl binary
-FROM --platform=$BUILDPLATFORM golang:1.15 as builder
+FROM --platform=$BUILDPLATFORM golang:1.16 as builder
 ARG TARGETARCH
 
 WORKDIR /workspace

images/scorecard-test/Dockerfile

@@ -1,5 +1,5 @@
 # Build the scorecard-test binary
-FROM --platform=$BUILDPLATFORM golang:1.15 as builder
+FROM --platform=$BUILDPLATFORM golang:1.16 as builder
 ARG TARGETARCH
 
 WORKDIR /workspace

internal/cmd/ansible-operator/run/cmd.go

@@ -207,7 +207,7 @@ func run(cmd *cobra.Command, f *flags.Flags) {
 			os.Exit(1)
 		}
 
-		cMap.Store(w.GroupVersionKind, &controllermap.Contents{Controller: *ctr,
+		cMap.Store(w.GroupVersionKind, &controllermap.Contents{Controller: *ctr, //nolint:staticcheck
 			WatchDependentResources:     w.WatchDependentResources,
 			WatchClusterScopedResources: w.WatchClusterScopedResources,
 			OwnerWatchMap:               controllermap.NewWatchMap(),

testdata/go/v3/memcached-operator/Dockerfile

@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM golang:1.15 as builder
+FROM golang:1.16 as builder
 
 WORKDIR /workspace
 # Copy the Go Modules manifests
@@ -15,7 +15,7 @@ COPY api/ api/
 COPY controllers/ controllers/
 
 # Build
-RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on go build -a -o manager main.go
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -o manager main.go
 
 # Use distroless as minimal base image to package the manager binary
 # Refer to https://github.com/GoogleContainerTools/distroless for more details

testdata/go/v3/memcached-operator/controllers/memcached_controller.go

@@ -27,18 +27,17 @@ import (
 
 	"context"
 
-	"github.com/go-logr/logr"
 	"k8s.io/apimachinery/pkg/runtime"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
+	ctrllog "sigs.k8s.io/controller-runtime/pkg/log"
 
 	cachev1alpha1 "github.com/example/memcached-operator/api/v1alpha1"
 )
 
 // MemcachedReconciler reconciles a Memcached object
 type MemcachedReconciler struct {
 	client.Client
-	Log    logr.Logger
 	Scheme *runtime.Scheme
 }
 
@@ -58,7 +57,7 @@ type MemcachedReconciler struct {
 // For more details, check Reconcile and its Result here:
 // - https://pkg.go.dev/sigs.k8s.io/controller-runtime@v0.8.3/pkg/reconcile
 func (r *MemcachedReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
-	log := r.Log.WithValues("memcached", req.NamespacedName)
+	log := ctrllog.FromContext(ctx)
 
 	// Fetch the Memcached instance
 	memcached := &cachev1alpha1.Memcached{}

testdata/go/v3/memcached-operator/go.mod

@@ -1,9 +1,8 @@
 module github.com/example/memcached-operator
 
-go 1.15
+go 1.16
 
 require (
-	github.com/go-logr/logr v0.3.0
 	github.com/onsi/ginkgo v1.14.1
 	github.com/onsi/gomega v1.10.2
 	k8s.io/api v0.20.2

testdata/go/v3/memcached-operator/main.go

@@ -80,7 +80,6 @@ func main() {
 
 	if err = (&controllers.MemcachedReconciler{
 		Client: mgr.GetClient(),
-		Log:    ctrl.Log.WithName("controllers").WithName("Memcached"),
 		Scheme: mgr.GetScheme(),
 	}).SetupWithManager(mgr); err != nil {
 		setupLog.Error(err, "unable to create controller", "controller", "Memcached")

tools/tools.go

@@ -0,0 +1,7 @@
+// +build tools
+
+package tools
+
+import (
+	_ "github.com/maxbrunsfeld/counterfeiter/v6"
+)

website/content/en/docs/building-operators/golang/references/logging.md

@@ -33,7 +33,7 @@ Operators set the logger for all operator logging in `main.go`. To illustrate ho
 package main
 
 import (
-	"sigs.k8s.io/controller-runtime/pkg/log/zap"  
+	"sigs.k8s.io/controller-runtime/pkg/log/zap"
 	logf "sigs.k8s.io/controller-runtime/pkg/log"
 )
 
@@ -191,7 +191,7 @@ An example from [`memcached_controller.go`][code_memcached_controller]:
 package memcached
 
 import (
-	"github.com/go-logr/logr"
+  ctrllog "sigs.k8s.io/controller-runtime/pkg/log"
 )
 
 
@@ -203,7 +203,7 @@ type MemcachedReconciler struct {
 }
 
 func (r *MemcachedReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
-	log := r.Log.WithValues("memcached", req.NamespacedName)
+	log := ctrllog.FromContext(ctx)
 
 	// Fetch the Memcached instance
 	memcached := &cachev1alpha1.Memcached{}

website/content/en/docs/contribution-guidelines/developer-guide.md

@@ -9,7 +9,7 @@ weight: 1
 ### Prerequisites
 
 - [git][git-tool]
-- [go][go-tool] version 1.15
+- [go][go-tool] version 1.16
 
 ### Download Operator SDK