Migrate to kubebuilder v4 layout (#1092)

* Migrate to kubebuilder v4 layout

Signed-off-by: Ruben Vargas <ruben.vp8510@gmail.com>

* remove deprecated config component

Signed-off-by: Ruben Vargas <ruben.vp8510@gmail.com>

* modifications to config

Signed-off-by: Ruben Vargas <ruben.vp8510@gmail.com>

* reintroduce config validation

Signed-off-by: Ruben Vargas <ruben.vp8510@gmail.com>

* bump sdk to 1.36

Signed-off-by: Ruben Vargas <ruben.vp8510@gmail.com>

* update documents

Signed-off-by: Ruben Vargas <ruben.vp8510@gmail.com>

* address observations, merge files, add tests

Signed-off-by: Ruben Vargas <ruben.vp8510@gmail.com>

* fix lint

Signed-off-by: Ruben Vargas <ruben.vp8510@gmail.com>

* remove pprof endpoints

Signed-off-by: Ruben Vargas <ruben.vp8510@gmail.com>

* add namepace permissions

Signed-off-by: Ruben Vargas <ruben.vp8510@gmail.com>

---------

Signed-off-by: Ruben Vargas <ruben.vp8510@gmail.com>

Makefile

@@ -145,7 +145,7 @@ test: manifests generate fmt setup-envtest ## Run tests.
 
 .PHONY: build
 build: generate fmt ## Build manager binary.
-	CGO_ENABLED=0 go build -o bin/manager -ldflags ${LD_FLAGS} main.go
+	CGO_ENABLED=0 go build -o bin/manager -ldflags ${LD_FLAGS} cmd/main.go
 
 .PHONY: must-gather
 must-gather:
@@ -164,7 +164,7 @@ run: manifests generate ## Run a controller from your host.
 	RELATED_IMAGE_TEMPO_GATEWAY=$(TEMPO_GATEWAY_IMAGE) \
 	RELATED_IMAGE_TEMPO_GATEWAY_OPA=$(TEMPO_GATEWAY_OPA_IMAGE) \
 	RELATED_IMAGE_OAUTH_PROXY=$(OAUTH_PROXY_IMAGE) \
-	go run -ldflags ${LD_FLAGS} ./main.go --zap-log-level=info start
+	go run -ldflags ${LD_FLAGS} ./cmd/main.go --zap-log-level=info start
 
 .PHONY: container-must-gather
 container-must-gather:
@@ -223,10 +223,10 @@ $(LOCALBIN):
 
 ## Tool Versions
 KUSTOMIZE_VERSION ?= v5.0.3
-CONTROLLER_GEN_VERSION ?= v0.15.0
+CONTROLLER_GEN_VERSION ?= v0.16.5
 GEN_API_DOCS_VERSION ?= v0.6.0
 ENVTEST_VERSION ?= latest
-OPERATOR_SDK_VERSION ?= 1.32.0
+OPERATOR_SDK_VERSION ?= 1.36.0
 OLM_VERSION ?= v0.28.0
 CERTMANAGER_VERSION ?= 1.9.1
 CHAINSAW_VERSION ?= v0.2.4
@@ -488,7 +488,7 @@ docs/spec/%: bundle/community/manifests/% | gen-api-docs
 	$(GEN_API_DOCS) < $^ > $@
 
 docs/operator/config.yaml: gen-api-docs
-	$(GEN_API_DOCS) -pkg github.com/grafana/tempo-operator/apis/config/v1alpha1 -type ProjectConfig -format multiline > $@
+	$(GEN_API_DOCS) -pkg github.com/grafana/tempo-operator/api/config/v1alpha1 -type ProjectConfig -format multiline > $@
 
 ##@ Release
 CHLOGGEN_VERSION=v0.11.0

PROJECT

@@ -1,6 +1,6 @@
 domain: grafana.com
 layout:
-- go.kubebuilder.io/v3
+- go.kubebuilder.io/v4
 multigroup: true
 plugins:
   manifests.sdk.operatorframework.io/v2: {}

apis/config/v1alpha1/projectconfig_types.go → api/config/v1alpha1/projectconfig_types.go

@@ -4,7 +4,7 @@ import (
 	"os"
 
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	cfg "sigs.k8s.io/controller-runtime/pkg/config/v1alpha1"
+	configv1alpha1 "k8s.io/component-base/config/v1alpha1"
 )
 
 const (
@@ -223,14 +223,76 @@ type FeatureGates struct {
 	GrafanaOperator bool `json:"grafanaOperator,omitempty"`
 }
 
+// ControllerManagerConfigurationSpec defines the desired state of GenericControllerManagerConfiguration.
+type ControllerManagerConfigurationSpec struct {
+	// LeaderElection is the LeaderElection config to be used when configuring
+	// the manager.Manager leader election
+	// +optional
+	LeaderElection *configv1alpha1.LeaderElectionConfiguration `json:"leaderElection,omitempty"`
+
+	// Metrics contains the controller metrics configuration
+	// +optional
+	Metrics ControllerMetrics `json:"metrics,omitempty"`
+
+	// Health contains the controller health configuration
+	// +optional
+	Health ControllerHealth `json:"health,omitempty"`
+
+	// Webhook contains the controllers webhook configuration
+	// +optional
+	Webhook ControllerWebhook `json:"webhook,omitempty"`
+}
+
+// ControllerMetrics defines the metrics configs.
+type ControllerMetrics struct {
+	// BindAddress is the TCP address that the controller should bind to
+	// for serving prometheus metrics.
+	// It can be set to "0" to disable the metrics serving.
+	// +optional
+	BindAddress string `json:"bindAddress,omitempty"`
+}
+
+// ControllerHealth defines the health configs.
+type ControllerHealth struct {
+	// HealthProbeBindAddress is the TCP address that the controller should bind to
+	// for serving health probes
+	// It can be set to "0" or "" to disable serving the health probe.
+	// +optional
+	HealthProbeBindAddress string `json:"healthProbeBindAddress,omitempty"`
+}
+
+// ControllerWebhook defines the webhook server for the controller.
+type ControllerWebhook struct {
+	// Port is the port that the webhook server serves at.
+	// It is used to set webhook.Server.Port.
+	// +optional
+	Port *int `json:"port,omitempty"`
+}
+
+//+kubebuilder:object:root=true
+
+// ControllerManagerConfiguration is the Schema for the GenericControllerManagerConfigurations API.
+type ControllerManagerConfiguration struct {
+	metav1.TypeMeta `json:",inline"`
+
+	// ControllerManagerConfiguration returns the configurations for controllers
+	ControllerManagerConfigurationSpec `json:",inline"`
+}
+
+// Complete returns the configuration for controller-runtime.
+func (c *ControllerManagerConfigurationSpec) Complete() (ControllerManagerConfigurationSpec, error) {
+	return *c, nil
+}
+
 //+kubebuilder:object:root=true
 //+kubebuilder:subresource:status
 
 // ProjectConfig is the Schema for the projectconfigs API.
 type ProjectConfig struct {
 	metav1.TypeMeta `json:",inline"`
+
 	// ControllerManagerConfigurationSpec returns the configurations for controllers
-	cfg.ControllerManagerConfigurationSpec `json:",inline"`
+	ControllerManagerConfigurationSpec `json:",inline"`
 
 	// The images are read from environment variables and not from the configuration file
 	DefaultImages ImagesSpec

apis/tempo/v1alpha1/tempomonolithic_defaults.go → api/tempo/v1alpha1/tempomonolithic_defaults.go

@@ -9,7 +9,7 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/utils/ptr"
 
-	configv1alpha1 "github.com/grafana/tempo-operator/apis/config/v1alpha1"
+	configv1alpha1 "github.com/grafana/tempo-operator/api/config/v1alpha1"
 )
 
 var (

apis/tempo/v1alpha1/tempomonolithic_defaults_test.go → api/tempo/v1alpha1/tempomonolithic_defaults_test.go

@@ -9,7 +9,7 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 
-	configv1alpha1 "github.com/grafana/tempo-operator/apis/config/v1alpha1"
+	configv1alpha1 "github.com/grafana/tempo-operator/api/config/v1alpha1"
 )
 
 var (

apis/tempo/v1alpha1/tempostack_types.go → api/tempo/v1alpha1/tempostack_types.go

@@ -5,7 +5,7 @@ import (
 	"k8s.io/apimachinery/pkg/api/resource"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 
-	"github.com/grafana/tempo-operator/apis/config/v1alpha1"
+	"github.com/grafana/tempo-operator/api/config/v1alpha1"
 )
 
 // ManagementStateType defines the type for CR management states.

bundle/community/bundle.Dockerfile

@@ -6,9 +6,9 @@ LABEL operators.operatorframework.io.bundle.manifests.v1=manifests/
 LABEL operators.operatorframework.io.bundle.metadata.v1=metadata/
 LABEL operators.operatorframework.io.bundle.package.v1=tempo-operator
 LABEL operators.operatorframework.io.bundle.channels.v1=alpha
-LABEL operators.operatorframework.io.metrics.builder=operator-sdk-v1.32.0
+LABEL operators.operatorframework.io.metrics.builder=operator-sdk-v1.36.0
 LABEL operators.operatorframework.io.metrics.mediatype.v1=metrics+v1
-LABEL operators.operatorframework.io.metrics.project_layout=go.kubebuilder.io/v3
+LABEL operators.operatorframework.io.metrics.project_layout=go.kubebuilder.io/v4
 
 # Labels for testing.
 LABEL operators.operatorframework.io.test.mediatype.v1=scorecard+v1