Merge pull request #118 from jakalkhalili/notification-feature

Improved notification messages

cmd/manager/main.go

@@ -13,6 +13,7 @@ import (
 	"github.com/jenkinsci/kubernetes-operator/pkg/apis"
 	"github.com/jenkinsci/kubernetes-operator/pkg/controller/jenkins"
 	"github.com/jenkinsci/kubernetes-operator/pkg/controller/jenkins/constants"
+	"github.com/jenkinsci/kubernetes-operator/pkg/controller/jenkins/notifications"
 	"github.com/jenkinsci/kubernetes-operator/pkg/event"
 	"github.com/jenkinsci/kubernetes-operator/pkg/log"
 	"github.com/jenkinsci/kubernetes-operator/version"
@@ -118,8 +119,11 @@ func main() {
 		fatal(errors.Wrap(err, "failed to create Kubernetes client set"), *debug)
 	}
 
+	c := make(chan notifications.Event)
+	go notifications.Listen(c, events, mgr.GetClient())
+
 	// setup Jenkins controller
-	if err := jenkins.Add(mgr, *local, *minikube, events, *clientSet, *cfg); err != nil {
+	if err := jenkins.Add(mgr, *local, *minikube, *clientSet, *cfg, &c); err != nil {
 		fatal(errors.Wrap(err, "failed to setup controllers"), *debug)
 	}
 

pkg/apis/jenkins/v1alpha2/jenkins_types.go

@@ -17,9 +17,9 @@ type JenkinsSpec struct {
 	// +optional
 	SeedJobs []SeedJob `json:"seedJobs,omitempty"`
 
-	/*	// Notifications defines list of a services which are used to inform about Jenkins status
+	// Notifications defines list of a services which are used to inform about Jenkins status
-		// Can be used to integrate chat services like Slack, Microsoft MicrosoftTeams or Mailgun
+	// Can be used to integrate chat services like Slack, Microsoft Teams or Mailgun
-		Notifications []Notification `json:"notifications,omitempty"`*/
+	Notifications []Notification `json:"notifications,omitempty"`
 
 	// Service is Kubernetes service of Jenkins master HTTP pod
 	// Defaults to :

pkg/apis/jenkins/v1alpha2/zz_generated.deepcopy.go

@@ -342,6 +342,13 @@ func (in *JenkinsSpec) DeepCopyInto(out *JenkinsSpec) {
 		*out = make([]SeedJob, len(*in))
 		copy(*out, *in)
 	}
+	if in.Notifications != nil {
+		in, out := &in.Notifications, &out.Notifications
+		*out = make([]Notification, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
 	in.Service.DeepCopyInto(&out.Service)
 	in.SlaveService.DeepCopyInto(&out.SlaveService)
 	in.Backup.DeepCopyInto(&out.Backup)

pkg/controller/jenkins/configuration/backuprestore/backuprestore.go

@@ -46,8 +46,8 @@ func New(k8sClient k8s.Client, clientSet kubernetes.Clientset,
 }
 
 // Validate validates backup and restore configuration
-func (bar *BackupAndRestore) Validate() bool {
+func (bar *BackupAndRestore) Validate() []string {
-	valid := true
+	var messages []string
 	allContainers := map[string]v1alpha2.Container{}
 	for _, container := range bar.jenkins.Spec.Master.Containers {
 		allContainers[container.Name] = container
@@ -57,12 +57,10 @@ func (bar *BackupAndRestore) Validate() bool {
 	if len(restore.ContainerName) > 0 {
 		_, found := allContainers[restore.ContainerName]
 		if !found {
-			valid = false
+			messages = append(messages, fmt.Sprintf("restore container '%s' not found in CR spec.master.containers", restore.ContainerName))
-			bar.logger.V(log.VWarn).Info(fmt.Sprintf("restore container '%s' not found in CR spec.master.containers", restore.ContainerName))
 		}
 		if restore.Action.Exec == nil {
-			valid = false
+			messages = append(messages, fmt.Sprintf("spec.restore.action.exec is not configured"))
-			bar.logger.V(log.VWarn).Info(fmt.Sprintf("spec.restore.action.exec is not configured"))
 		}
 	}
 
@@ -70,29 +68,24 @@ func (bar *BackupAndRestore) Validate() bool {
 	if len(backup.ContainerName) > 0 {
 		_, found := allContainers[backup.ContainerName]
 		if !found {
-			valid = false
+			messages = append(messages, fmt.Sprintf("backup container '%s' not found in CR spec.master.containers", backup.ContainerName))
-			bar.logger.V(log.VWarn).Info(fmt.Sprintf("backup container '%s' not found in CR spec.master.containers", backup.ContainerName))
 		}
 		if backup.Action.Exec == nil {
-			valid = false
+			messages = append(messages, fmt.Sprintf("spec.backup.action.exec is not configured"))
-			bar.logger.V(log.VWarn).Info(fmt.Sprintf("spec.backup.action.exec is not configured"))
 		}
 		if backup.Interval == 0 {
-			valid = false
+			messages = append(messages, fmt.Sprintf("spec.backup.interval is not configured"))
-			bar.logger.V(log.VWarn).Info(fmt.Sprintf("spec.backup.interval is not configured"))
 		}
 	}
 
 	if len(restore.ContainerName) > 0 && len(backup.ContainerName) == 0 {
-		valid = false
+		messages = append(messages, "spec.backup.containerName is not configured")
-		bar.logger.V(log.VWarn).Info("spec.backup.containerName is not configured")
 	}
 	if len(backup.ContainerName) > 0 && len(restore.ContainerName) == 0 {
-		valid = false
+		messages = append(messages, "spec.restore.containerName is not configured")
-		bar.logger.V(log.VWarn).Info("spec.restore.containerName is not configured")
 	}
 
-	return valid
+	return messages
 }
 
 // Restore performs Jenkins restore backup operation

pkg/controller/jenkins/configuration/base/reconcile.go

@@ -124,6 +124,7 @@ func (r *ReconcileJenkinsBaseConfiguration) Reconcile() (reconcile.Result, jenki
 	}
 
 	result, err = r.ensureBaseConfiguration(jenkinsClient)
+
 	return result, jenkinsClient, err
 }
 

pkg/controller/jenkins/configuration/base/validate.go

@@ -6,13 +6,11 @@ import (
 	"regexp"
 	"strings"
 
+	docker "github.com/docker/distribution/reference"
 	"github.com/jenkinsci/kubernetes-operator/pkg/apis/jenkins/v1alpha2"
 	"github.com/jenkinsci/kubernetes-operator/pkg/controller/jenkins/configuration/base/resources"
 	"github.com/jenkinsci/kubernetes-operator/pkg/controller/jenkins/constants"
 	"github.com/jenkinsci/kubernetes-operator/pkg/controller/jenkins/plugins"
-	"github.com/jenkinsci/kubernetes-operator/pkg/log"
-
-	docker "github.com/docker/distribution/reference"
 	stackerr "github.com/pkg/errors"
 	corev1 "k8s.io/api/core/v1"
 	apierrors "k8s.io/apimachinery/pkg/api/errors"
@@ -24,213 +22,207 @@ var (
 )
 
 // Validate validates Jenkins CR Spec.master section
-func (r *ReconcileJenkinsBaseConfiguration) Validate(jenkins *v1alpha2.Jenkins) (bool, error) {
+func (r *ReconcileJenkinsBaseConfiguration) Validate(jenkins *v1alpha2.Jenkins) ([]string, error) {
-	if !r.validateReservedVolumes() {
+	var messages []string
-		return false, nil
+
+	if msg := r.validateReservedVolumes(); len(msg) > 0 {
+		messages = append(messages, msg...)
 	}
-	if valid, err := r.validateVolumes(); err != nil {
+
-		return false, err
+	if msg, err := r.validateVolumes(); err != nil {
-	} else if !valid {
+		return nil, err
-		return false, nil
+	} else if len(msg) > 0 {
+		messages = append(messages, msg...)
 	}
 
 	for _, container := range jenkins.Spec.Master.Containers {
-		if !r.validateContainer(container) {
+		if msg := r.validateContainer(container); len(msg) > 0 {
-			return false, nil
+			messages = append(messages, msg...)
 		}
 	}
 
-	if !r.validatePlugins(plugins.BasePlugins(), jenkins.Spec.Master.BasePlugins, jenkins.Spec.Master.Plugins) {
+	if msg := r.validatePlugins(plugins.BasePlugins(), jenkins.Spec.Master.BasePlugins, jenkins.Spec.Master.Plugins); len(msg) > 0 {
-		return false, nil
+		messages = append(messages, msg...)
 	}
 
-	if !r.validateJenkinsMasterPodEnvs() {
+	if msg := r.validateJenkinsMasterPodEnvs(); len(msg) > 0 {
-		return false, nil
+		messages = append(messages, msg...)
 	}
 
-	if valid, err := r.validateCustomization(r.jenkins.Spec.GroovyScripts.Customization, "spec.groovyScripts"); err != nil {
+	if msg, err := r.validateCustomization(r.jenkins.Spec.GroovyScripts.Customization, "spec.groovyScripts"); err != nil {
-		return false, err
+		return nil, err
-	} else if !valid {
+	} else if len(msg) > 0 {
-		return false, nil
+		messages = append(messages, msg...)
 	}
-	if valid, err := r.validateCustomization(r.jenkins.Spec.ConfigurationAsCode.Customization, "spec.configurationAsCode"); err != nil {
+	if msg, err := r.validateCustomization(r.jenkins.Spec.ConfigurationAsCode.Customization, "spec.configurationAsCode"); err != nil {
-		return false, err
+		return nil, err
-	} else if !valid {
+	} else if len(msg) > 0 {
-		return false, nil
+		messages = append(messages, msg...)
 	}
 
-	return true, nil
+	return messages, nil
 }
 
-func (r *ReconcileJenkinsBaseConfiguration) validateImagePullSecrets() (bool, error) {
+func (r *ReconcileJenkinsBaseConfiguration) validateImagePullSecrets() ([]string, error) {
+	var messages []string
 	for _, sr := range r.jenkins.Spec.Master.ImagePullSecrets {
-		valid, err := r.validateImagePullSecret(sr.Name)
+		msg, err := r.validateImagePullSecret(sr.Name)
 		if err != nil {
-			return false, err
+			return nil, err
 		}
-		if !valid {
+		if len(msg) > 0 {
-			return false, nil
+			messages = append(messages, msg...)
 		}
 	}
-	return true, nil
+	return messages, nil
 }
 
-func (r *ReconcileJenkinsBaseConfiguration) validateImagePullSecret(secretName string) (bool, error) {
+func (r *ReconcileJenkinsBaseConfiguration) validateImagePullSecret(secretName string) ([]string, error) {
+	var messages []string
 	secret := &corev1.Secret{}
 	err := r.k8sClient.Get(context.TODO(), types.NamespacedName{Name: secretName, Namespace: r.jenkins.ObjectMeta.Namespace}, secret)
 	if err != nil && apierrors.IsNotFound(err) {
-		r.logger.V(log.VWarn).Info(fmt.Sprintf("Secret %s not found defined in spec.master.imagePullSecrets", secretName))
+		messages = append(messages, fmt.Sprintf("Secret %s not found defined in spec.master.imagePullSecrets", secretName))
-		return false, nil
 	} else if err != nil && !apierrors.IsNotFound(err) {
-		return false, stackerr.WithStack(err)
+		return nil, stackerr.WithStack(err)
 	}
 
 	if secret.Data["docker-server"] == nil {
-		r.logger.V(log.VWarn).Info(fmt.Sprintf("Secret '%s' defined in spec.master.imagePullSecrets doesn't have 'docker-server' key.", secretName))
+		messages = append(messages, fmt.Sprintf("Secret '%s' defined in spec.master.imagePullSecrets doesn't have 'docker-server' key.", secretName))
-		return false, nil
 	}
 	if secret.Data["docker-username"] == nil {
-		r.logger.V(log.VWarn).Info(fmt.Sprintf("Secret '%s' defined in spec.master.imagePullSecrets doesn't have 'docker-username' key.", secretName))
+		messages = append(messages, fmt.Sprintf("Secret '%s' defined in spec.master.imagePullSecrets doesn't have 'docker-username' key.", secretName))
-		return false, nil
 	}
 	if secret.Data["docker-password"] == nil {
-		r.logger.V(log.VWarn).Info(fmt.Sprintf("Secret '%s' defined in spec.master.imagePullSecrets doesn't have 'docker-password' key.", secretName))
+		messages = append(messages, fmt.Sprintf("Secret '%s' defined in spec.master.imagePullSecrets doesn't have 'docker-password' key.", secretName))
-		return false, nil
 	}
 	if secret.Data["docker-email"] == nil {
-		r.logger.V(log.VWarn).Info(fmt.Sprintf("Secret '%s' defined in spec.master.imagePullSecrets doesn't have 'docker-email' key.", secretName))
+		messages = append(messages, fmt.Sprintf("Secret '%s' defined in spec.master.imagePullSecrets doesn't have 'docker-email' key.", secretName))
-		return false, nil
 	}
 
-	return true, nil
+	return messages, nil
 }
 
-func (r *ReconcileJenkinsBaseConfiguration) validateVolumes() (bool, error) {
+func (r *ReconcileJenkinsBaseConfiguration) validateVolumes() ([]string, error) {
-	valid := true
+	var messages []string
 	for _, volume := range r.jenkins.Spec.Master.Volumes {
 		switch {
 		case volume.ConfigMap != nil:
-			if ok, err := r.validateConfigMapVolume(volume); err != nil {
+			if msg, err := r.validateConfigMapVolume(volume); err != nil {
-				return false, err
+				return nil, err
-			} else if !ok {
+			} else if len(msg) > 0 {
-				valid = false
+				messages = append(messages, msg...)
 			}
 		case volume.Secret != nil:
-			if ok, err := r.validateSecretVolume(volume); err != nil {
+			if msg, err := r.validateSecretVolume(volume); err != nil {
-				return false, err
+				return nil, err
-			} else if !ok {
+			} else if len(msg) > 0 {
-				valid = false
+				messages = append(messages, msg...)
 			}
 		case volume.PersistentVolumeClaim != nil:
-			if ok, err := r.validatePersistentVolumeClaim(volume); err != nil {
+			if msg, err := r.validatePersistentVolumeClaim(volume); err != nil {
-				return false, err
+				return nil, err
-			} else if !ok {
+			} else if len(msg) > 0 {
-				valid = false
+				messages = append(messages, msg...)
 			}
 		default: //TODO add support for rest of volumes
-			valid = false
+			messages = append(messages, fmt.Sprintf("Unsupported volume '%v'", volume))
-			r.logger.V(log.VWarn).Info(fmt.Sprintf("Unsupported volume '%v'", volume))
 		}
 	}
 
-	return valid, nil
+	return messages, nil
 }
 
-func (r *ReconcileJenkinsBaseConfiguration) validatePersistentVolumeClaim(volume corev1.Volume) (bool, error) {
+func (r *ReconcileJenkinsBaseConfiguration) validatePersistentVolumeClaim(volume corev1.Volume) ([]string, error) {
+	var messages []string
+
 	pvc := &corev1.PersistentVolumeClaim{}
 	err := r.k8sClient.Get(context.TODO(), types.NamespacedName{Name: volume.PersistentVolumeClaim.ClaimName, Namespace: r.jenkins.ObjectMeta.Namespace}, pvc)
 	if err != nil && apierrors.IsNotFound(err) {
-		r.logger.V(log.VWarn).Info(fmt.Sprintf("PersistentVolumeClaim '%s' not found for volume '%v'", volume.PersistentVolumeClaim.ClaimName, volume))
+		messages = append(messages, fmt.Sprintf("PersistentVolumeClaim '%s' not found for volume '%v'", volume.PersistentVolumeClaim.ClaimName, volume))
-		return false, nil
 	} else if err != nil && !apierrors.IsNotFound(err) {
-		return false, stackerr.WithStack(err)
+		return nil, stackerr.WithStack(err)
 	}
 
-	return true, nil
+	return messages, nil
 }
 
-func (r *ReconcileJenkinsBaseConfiguration) validateConfigMapVolume(volume corev1.Volume) (bool, error) {
+func (r *ReconcileJenkinsBaseConfiguration) validateConfigMapVolume(volume corev1.Volume) ([]string, error) {
+	var messages []string
 	if volume.ConfigMap.Optional != nil && *volume.ConfigMap.Optional {
-		return true, nil
+		return nil, nil
 	}
 
 	configMap := &corev1.ConfigMap{}
 	err := r.k8sClient.Get(context.TODO(), types.NamespacedName{Name: volume.ConfigMap.Name, Namespace: r.jenkins.ObjectMeta.Namespace}, configMap)
 	if err != nil && apierrors.IsNotFound(err) {
-		r.logger.V(log.VWarn).Info(fmt.Sprintf("ConfigMap '%s' not found for volume '%v'", volume.ConfigMap.Name, volume))
+		messages = append(messages, fmt.Sprintf("ConfigMap '%s' not found for volume '%v'", volume.ConfigMap.Name, volume))
-		return false, nil
 	} else if err != nil && !apierrors.IsNotFound(err) {
-		return false, stackerr.WithStack(err)
+		return nil, stackerr.WithStack(err)
 	}
 
-	return true, nil
+	return messages, nil
 }
 
-func (r *ReconcileJenkinsBaseConfiguration) validateSecretVolume(volume corev1.Volume) (bool, error) {
+func (r *ReconcileJenkinsBaseConfiguration) validateSecretVolume(volume corev1.Volume) ([]string, error) {
+	var messages []string
 	if volume.Secret.Optional != nil && *volume.Secret.Optional {
-		return true, nil
+		return nil, nil
 	}
 
 	secret := &corev1.Secret{}
 	err := r.k8sClient.Get(context.TODO(), types.NamespacedName{Name: volume.Secret.SecretName, Namespace: r.jenkins.ObjectMeta.Namespace}, secret)
 	if err != nil && apierrors.IsNotFound(err) {
-		r.logger.V(log.VWarn).Info(fmt.Sprintf("Secret '%s' not found for volume '%v'", volume.Secret.SecretName, volume))
+		messages = append(messages, fmt.Sprintf("Secret '%s' not found for volume '%v'", volume.Secret.SecretName, volume))
-		return false, nil
 	} else if err != nil && !apierrors.IsNotFound(err) {
-		return false, stackerr.WithStack(err)
+		return nil, stackerr.WithStack(err)
 	}
 
-	return true, nil
+	return messages, nil
 }
 
-func (r *ReconcileJenkinsBaseConfiguration) validateReservedVolumes() bool {
+func (r *ReconcileJenkinsBaseConfiguration) validateReservedVolumes() []string {
-	valid := true
+	var messages []string
 
 	for _, baseVolume := range resources.GetJenkinsMasterPodBaseVolumes(r.jenkins) {
 		for _, volume := range r.jenkins.Spec.Master.Volumes {
 			if baseVolume.Name == volume.Name {
-				r.logger.V(log.VWarn).Info(fmt.Sprintf("Jenkins Master pod volume '%s' is reserved please choose different one", volume.Name))
+				messages = append(messages, fmt.Sprintf("Jenkins Master pod volume '%s' is reserved please choose different one", volume.Name))
-				valid = false
 			}
 		}
 	}
 
-	return valid
+	return messages
 }
 
-func (r *ReconcileJenkinsBaseConfiguration) validateContainer(container v1alpha2.Container) bool {
+func (r *ReconcileJenkinsBaseConfiguration) validateContainer(container v1alpha2.Container) []string {
-	logger := r.logger.WithValues("container", container.Name)
+	var messages []string
 	if container.Image == "" {
-		logger.V(log.VWarn).Info("Image not set")
+		messages = append(messages, "Image not set")
-		return false
 	}
 
 	if !dockerImageRegexp.MatchString(container.Image) && !docker.ReferenceRegexp.MatchString(container.Image) {
-		logger.V(log.VWarn).Info("Invalid image")
+		messages = append(messages, "Invalid image")
-		return false
 	}
 
 	if container.ImagePullPolicy == "" {
-		logger.V(log.VWarn).Info("Image pull policy not set")
+		messages = append(messages, "Image pull policy not set")
-		return false
 	}
 
-	if !r.validateContainerVolumeMounts(container) {
+	if msg := r.validateContainerVolumeMounts(container); len(msg) > 0 {
-		return false
+		messages = append(messages, msg...)
 	}
 
-	return true
+	return messages
 }
 
-func (r *ReconcileJenkinsBaseConfiguration) validateContainerVolumeMounts(container v1alpha2.Container) bool {
+func (r *ReconcileJenkinsBaseConfiguration) validateContainerVolumeMounts(container v1alpha2.Container) []string {
-	logger := r.logger.WithValues("container", container.Name)
+	var messages []string
 	allVolumes := append(resources.GetJenkinsMasterPodBaseVolumes(r.jenkins), r.jenkins.Spec.Master.Volumes...)
-	valid := true
 
 	for _, volumeMount := range container.VolumeMounts {
 		if len(volumeMount.MountPath) == 0 {
-			logger.V(log.VWarn).Info(fmt.Sprintf("mountPath not set for '%s' volume mount in container '%s'", volumeMount.Name, container.Name))
+			messages = append(messages, fmt.Sprintf("mountPath not set for '%s' volume mount in container '%s'", volumeMount.Name, container.Name))
-			valid = false
 		}
 
 		foundVolume := false
@@ -241,15 +233,15 @@ func (r *ReconcileJenkinsBaseConfiguration) validateContainerVolumeMounts(contai
 		}
 
 		if !foundVolume {
-			logger.V(log.VWarn).Info(fmt.Sprintf("Not found volume for '%s' volume mount in container '%s'", volumeMount.Name, container.Name))
+			messages = append(messages, fmt.Sprintf("Not found volume for '%s' volume mount in container '%s'", volumeMount.Name, container.Name))
-			valid = false
 		}
 	}
 
-	return valid
+	return messages
 }
 
-func (r *ReconcileJenkinsBaseConfiguration) validateJenkinsMasterPodEnvs() bool {
+func (r *ReconcileJenkinsBaseConfiguration) validateJenkinsMasterPodEnvs() []string {
+	var messages []string
 	baseEnvs := resources.GetJenkinsMasterContainerBaseEnvs(r.jenkins)
 	baseEnvNames := map[string]string{}
 	for _, env := range baseEnvs {
@@ -257,14 +249,12 @@ func (r *ReconcileJenkinsBaseConfiguration) validateJenkinsMasterPodEnvs() bool
 	}
 
 	javaOpts := corev1.EnvVar{}
-	valid := true
 	for _, userEnv := range r.jenkins.Spec.Master.Containers[0].Env {
 		if userEnv.Name == constants.JavaOpsVariableName {
 			javaOpts = userEnv
 		}
 		if _, overriding := baseEnvNames[userEnv.Name]; overriding {
-			r.logger.V(log.VWarn).Info(fmt.Sprintf("Jenkins Master container env '%s' cannot be overridden", userEnv.Name))
+			messages = append(messages, fmt.Sprintf("Jenkins Master container env '%s' cannot be overridden", userEnv.Name))
-			valid = false
 		}
 	}
 
@@ -282,23 +272,21 @@ func (r *ReconcileJenkinsBaseConfiguration) validateJenkinsMasterPodEnvs() bool
 	}
 	for requiredFlag, set := range requiredFlags {
 		if !set {
-			valid = false
+			messages = append(messages, fmt.Sprintf("Jenkins Master container env '%s' doesn't have required flag '%s'", constants.JavaOpsVariableName, requiredFlag))
-			r.logger.V(log.VWarn).Info(fmt.Sprintf("Jenkins Master container env '%s' doesn't have required flag '%s'", constants.JavaOpsVariableName, requiredFlag))
 		}
 	}
 
-	return valid
+	return messages
 }
 
-func (r *ReconcileJenkinsBaseConfiguration) validatePlugins(requiredBasePlugins []plugins.Plugin, basePlugins, userPlugins []v1alpha2.Plugin) bool {
+func (r *ReconcileJenkinsBaseConfiguration) validatePlugins(requiredBasePlugins []plugins.Plugin, basePlugins, userPlugins []v1alpha2.Plugin) []string {
-	valid := true
+	var messages []string
 	allPlugins := map[plugins.Plugin][]plugins.Plugin{}
 
 	for _, jenkinsPlugin := range basePlugins {
 		plugin, err := plugins.NewPlugin(jenkinsPlugin.Name, jenkinsPlugin.Version)
 		if err != nil {
-			r.logger.V(log.VWarn).Info(err.Error())
+			messages = append(messages, err.Error())
-			valid = false
 		}
 
 		if plugin != nil {
@@ -309,8 +297,7 @@ func (r *ReconcileJenkinsBaseConfiguration) validatePlugins(requiredBasePlugins
 	for _, jenkinsPlugin := range userPlugins {
 		plugin, err := plugins.NewPlugin(jenkinsPlugin.Name, jenkinsPlugin.Version)
 		if err != nil {
-			r.logger.V(log.VWarn).Info(err.Error())
+			messages = append(messages, err.Error())
-			valid = false
 		}
 
 		if plugin != nil {
@@ -318,19 +305,19 @@ func (r *ReconcileJenkinsBaseConfiguration) validatePlugins(requiredBasePlugins
 		}
 	}
 
-	if !plugins.VerifyDependencies(allPlugins) {
+	if msg := plugins.VerifyDependencies(allPlugins); len(msg) > 0 {
-		valid = false
+		messages = append(messages, msg...)
 	}
 
-	if !r.verifyBasePlugins(requiredBasePlugins, basePlugins) {
+	if msg := r.verifyBasePlugins(requiredBasePlugins, basePlugins); len(msg) > 0 {
-		valid = false
+		messages = append(messages, msg...)
 	}
 
-	return valid
+	return messages
 }
 
-func (r *ReconcileJenkinsBaseConfiguration) verifyBasePlugins(requiredBasePlugins []plugins.Plugin, basePlugins []v1alpha2.Plugin) bool {
+func (r *ReconcileJenkinsBaseConfiguration) verifyBasePlugins(requiredBasePlugins []plugins.Plugin, basePlugins []v1alpha2.Plugin) []string {
-	valid := true
+	var messages []string
 
 	for _, requiredBasePlugin := range requiredBasePlugins {
 		found := false
@@ -341,52 +328,46 @@ func (r *ReconcileJenkinsBaseConfiguration) verifyBasePlugins(requiredBasePlugin
 			}
 		}
 		if !found {
-			valid = false
+			messages = append(messages, fmt.Sprintf("Missing plugin '%s' in spec.master.basePlugins", requiredBasePlugin.Name))
-			r.logger.V(log.VWarn).Info(fmt.Sprintf("Missing plugin '%s' in spec.master.basePlugins", requiredBasePlugin.Name))
 		}
 	}
 
-	return valid
+	return messages
 }
 
-func (r *ReconcileJenkinsBaseConfiguration) validateCustomization(customization v1alpha2.Customization, name string) (bool, error) {
+func (r *ReconcileJenkinsBaseConfiguration) validateCustomization(customization v1alpha2.Customization, name string) ([]string, error) {
-	valid := true
+	var messages []string
 	if len(customization.Secret.Name) == 0 && len(customization.Configurations) == 0 {
-		return true, nil
+		return nil, nil
 	}
 	if len(customization.Secret.Name) > 0 && len(customization.Configurations) == 0 {
-		valid = false
+		messages = append(messages, fmt.Sprintf("%s.secret.name is set but %s.configurations is empty", name, name))
-		r.logger.V(log.VWarn).Info(fmt.Sprintf("%s.secret.name is set but %s.configurations is empty", name, name))
 	}
 
 	if len(customization.Secret.Name) > 0 {
 		secret := &corev1.Secret{}
 		err := r.k8sClient.Get(context.TODO(), types.NamespacedName{Name: customization.Secret.Name, Namespace: r.jenkins.ObjectMeta.Namespace}, secret)
 		if err != nil && apierrors.IsNotFound(err) {
-			valid = false
+			messages = append(messages, fmt.Sprintf("Secret '%s' configured in %s.secret.name not found", customization.Secret.Name, name))
-			r.logger.V(log.VWarn).Info(fmt.Sprintf("Secret '%s' configured in %s.secret.name not found", customization.Secret.Name, name))
 		} else if err != nil && !apierrors.IsNotFound(err) {
-			return false, stackerr.WithStack(err)
+			return nil, stackerr.WithStack(err)
 		}
 	}
 
 	for index, configMapRef := range customization.Configurations {
 		if len(configMapRef.Name) == 0 {
-			r.logger.V(log.VWarn).Info(fmt.Sprintf("%s.configurations[%d] name is empty", name, index))
+			messages = append(messages, fmt.Sprintf("%s.configurations[%d] name is empty", name, index))
-			valid = false
 			continue
 		}
 
 		configMap := &corev1.ConfigMap{}
 		err := r.k8sClient.Get(context.TODO(), types.NamespacedName{Name: configMapRef.Name, Namespace: r.jenkins.ObjectMeta.Namespace}, configMap)
 		if err != nil && apierrors.IsNotFound(err) {
-			valid = false
+			messages = append(messages, fmt.Sprintf("ConfigMap '%s' configured in %s.configurations[%d] not found", configMapRef.Name, name, index))
-			r.logger.V(log.VWarn).Info(fmt.Sprintf("ConfigMap '%s' configured in %s.configurations[%d] not found", configMapRef.Name, name, index))
-			return false, nil
 		} else if err != nil && !apierrors.IsNotFound(err) {
-			return false, stackerr.WithStack(err)
+			return nil, stackerr.WithStack(err)
 		}
 	}
 
-	return valid, nil
+	return messages, nil
 }

pkg/controller/jenkins/configuration/base/validate_test.go

@@ -30,7 +30,7 @@ func TestValidatePlugins(t *testing.T) {
 
 		got := baseReconcileLoop.validatePlugins(requiredBasePlugins, basePlugins, userPlugins)
 
-		assert.True(t, got)
+		assert.Nil(t, got)
 	})
 	t.Run("valid user plugin", func(t *testing.T) {
 		var requiredBasePlugins []plugins.Plugin
@@ -39,7 +39,7 @@ func TestValidatePlugins(t *testing.T) {
 
 		got := baseReconcileLoop.validatePlugins(requiredBasePlugins, basePlugins, userPlugins)
 
-		assert.True(t, got)
+		assert.Nil(t, got)
 	})
 	t.Run("invalid user plugin name", func(t *testing.T) {
 		var requiredBasePlugins []plugins.Plugin
@@ -48,7 +48,7 @@ func TestValidatePlugins(t *testing.T) {
 
 		got := baseReconcileLoop.validatePlugins(requiredBasePlugins, basePlugins, userPlugins)
 
-		assert.False(t, got)
+		assert.Equal(t, got, []string{"invalid plugin name 'INVALID?:0.0.1', must follow pattern '(?i)^[0-9a-z-_]+$'"})
 	})
 	t.Run("invalid user plugin version", func(t *testing.T) {
 		var requiredBasePlugins []plugins.Plugin
@@ -57,7 +57,7 @@ func TestValidatePlugins(t *testing.T) {
 
 		got := baseReconcileLoop.validatePlugins(requiredBasePlugins, basePlugins, userPlugins)
 
-		assert.False(t, got)
+		assert.Equal(t, got, []string{"invalid plugin version 'simple-plugin:invalid', must follow pattern '^[0-9\\\\.]+$'"})
 	})
 	t.Run("valid base plugin", func(t *testing.T) {
 		var requiredBasePlugins []plugins.Plugin
@@ -66,7 +66,7 @@ func TestValidatePlugins(t *testing.T) {
 
 		got := baseReconcileLoop.validatePlugins(requiredBasePlugins, basePlugins, userPlugins)
 
-		assert.True(t, got)
+		assert.Nil(t, got)
 	})
 	t.Run("invalid base plugin name", func(t *testing.T) {
 		var requiredBasePlugins []plugins.Plugin
@@ -75,7 +75,7 @@ func TestValidatePlugins(t *testing.T) {
 
 		got := baseReconcileLoop.validatePlugins(requiredBasePlugins, basePlugins, userPlugins)
 
-		assert.False(t, got)
+		assert.Equal(t, got, []string{"invalid plugin name 'INVALID?:0.0.1', must follow pattern '(?i)^[0-9a-z-_]+$'"})
 	})
 	t.Run("invalid base plugin version", func(t *testing.T) {
 		var requiredBasePlugins []plugins.Plugin
@@ -84,7 +84,7 @@ func TestValidatePlugins(t *testing.T) {
 
 		got := baseReconcileLoop.validatePlugins(requiredBasePlugins, basePlugins, userPlugins)
 
-		assert.False(t, got)
+		assert.Equal(t, got, []string{"invalid plugin version 'simple-plugin:invalid', must follow pattern '^[0-9\\\\.]+$'"})
 	})
 	t.Run("valid user and base plugin version", func(t *testing.T) {
 		var requiredBasePlugins []plugins.Plugin
@@ -93,7 +93,7 @@ func TestValidatePlugins(t *testing.T) {
 
 		got := baseReconcileLoop.validatePlugins(requiredBasePlugins, basePlugins, userPlugins)
 
-		assert.True(t, got)
+		assert.Nil(t, got)
 	})
 	t.Run("invalid user and base plugin version", func(t *testing.T) {
 		var requiredBasePlugins []plugins.Plugin
@@ -102,7 +102,7 @@ func TestValidatePlugins(t *testing.T) {
 
 		got := baseReconcileLoop.validatePlugins(requiredBasePlugins, basePlugins, userPlugins)
 
-		assert.False(t, got)
+		assert.NotNil(t, got)
 	})
 	t.Run("required base plugin set with the same version", func(t *testing.T) {
 		requiredBasePlugins := []plugins.Plugin{{Name: "simple-plugin", Version: "0.0.1"}}
@@ -111,7 +111,7 @@ func TestValidatePlugins(t *testing.T) {
 
 		got := baseReconcileLoop.validatePlugins(requiredBasePlugins, basePlugins, userPlugins)
 
-		assert.True(t, got)
+		assert.Nil(t, got)
 	})
 	t.Run("required base plugin set with different version", func(t *testing.T) {
 		requiredBasePlugins := []plugins.Plugin{{Name: "simple-plugin", Version: "0.0.1"}}
@@ -120,16 +120,16 @@ func TestValidatePlugins(t *testing.T) {
 
 		got := baseReconcileLoop.validatePlugins(requiredBasePlugins, basePlugins, userPlugins)
 
-		assert.True(t, got)
+		assert.Nil(t, got)
 	})
-	t.Run("missign required base plugin", func(t *testing.T) {
+	t.Run("missing required base plugin", func(t *testing.T) {
 		requiredBasePlugins := []plugins.Plugin{{Name: "simple-plugin", Version: "0.0.1"}}
 		var basePlugins []v1alpha2.Plugin
 		var userPlugins []v1alpha2.Plugin
 
 		got := baseReconcileLoop.validatePlugins(requiredBasePlugins, basePlugins, userPlugins)
 
-		assert.False(t, got)
+		assert.Equal(t, got, []string{"Missing plugin 'simple-plugin' in spec.master.basePlugins"})
 	})
 }
 
@@ -165,7 +165,7 @@ func TestReconcileJenkinsBaseConfiguration_validateImagePullSecrets(t *testing.T
 			&jenkins, false, false, nil, nil)
 
 		got, err := baseReconcileLoop.validateImagePullSecrets()
-		assert.Equal(t, got, true)
+		assert.Nil(t, got)
 		assert.NoError(t, err)
 	})
 
@@ -186,7 +186,8 @@ func TestReconcileJenkinsBaseConfiguration_validateImagePullSecrets(t *testing.T
 			&jenkins, false, false, nil, nil)
 
 		got, _ := baseReconcileLoop.validateImagePullSecrets()
-		assert.Equal(t, got, false)
+
+		assert.Equal(t, got, []string{"Secret test-ref not found defined in spec.master.imagePullSecrets", "Secret 'test-ref' defined in spec.master.imagePullSecrets doesn't have 'docker-server' key.", "Secret 'test-ref' defined in spec.master.imagePullSecrets doesn't have 'docker-username' key.", "Secret 'test-ref' defined in spec.master.imagePullSecrets doesn't have 'docker-password' key.", "Secret 'test-ref' defined in spec.master.imagePullSecrets doesn't have 'docker-email' key."})
 	})
 
 	t.Run("no docker email", func(t *testing.T) {
@@ -219,7 +220,8 @@ func TestReconcileJenkinsBaseConfiguration_validateImagePullSecrets(t *testing.T
 			&jenkins, false, false, nil, nil)
 
 		got, _ := baseReconcileLoop.validateImagePullSecrets()
-		assert.Equal(t, got, false)
+
+		assert.Equal(t, got, []string{"Secret 'test-ref' defined in spec.master.imagePullSecrets doesn't have 'docker-email' key."})
 	})
 
 	t.Run("no docker password", func(t *testing.T) {
@@ -252,7 +254,8 @@ func TestReconcileJenkinsBaseConfiguration_validateImagePullSecrets(t *testing.T
 			&jenkins, false, false, nil, nil)
 
 		got, _ := baseReconcileLoop.validateImagePullSecrets()
-		assert.Equal(t, got, false)
+
+		assert.Equal(t, got, []string{"Secret 'test-ref' defined in spec.master.imagePullSecrets doesn't have 'docker-password' key."})
 	})
 
 	t.Run("no docker username", func(t *testing.T) {
@@ -285,7 +288,8 @@ func TestReconcileJenkinsBaseConfiguration_validateImagePullSecrets(t *testing.T
 			&jenkins, false, false, nil, nil)
 
 		got, _ := baseReconcileLoop.validateImagePullSecrets()
-		assert.Equal(t, got, false)
+
+		assert.Equal(t, got, []string{"Secret 'test-ref' defined in spec.master.imagePullSecrets doesn't have 'docker-username' key."})
 	})
 
 	t.Run("no docker server", func(t *testing.T) {
@@ -318,7 +322,8 @@ func TestReconcileJenkinsBaseConfiguration_validateImagePullSecrets(t *testing.T
 			&jenkins, false, false, nil, nil)
 
 		got, _ := baseReconcileLoop.validateImagePullSecrets()
-		assert.Equal(t, got, false)
+
+		assert.Equal(t, got, []string{"Secret 'test-ref' defined in spec.master.imagePullSecrets doesn't have 'docker-server' key."})
 	})
 }
 
@@ -348,7 +353,7 @@ func TestValidateJenkinsMasterPodEnvs(t *testing.T) {
 		baseReconcileLoop := New(nil, nil, logf.ZapLogger(false),
 			&jenkins, false, false, nil, nil)
 		got := baseReconcileLoop.validateJenkinsMasterPodEnvs()
-		assert.Equal(t, true, got)
+		assert.Nil(t, got)
 	})
 	t.Run("override JENKINS_HOME env", func(t *testing.T) {
 		jenkins := v1alpha2.Jenkins{
@@ -374,7 +379,8 @@ func TestValidateJenkinsMasterPodEnvs(t *testing.T) {
 		baseReconcileLoop := New(nil, nil, logf.ZapLogger(false),
 			&jenkins, false, false, nil, nil)
 		got := baseReconcileLoop.validateJenkinsMasterPodEnvs()
-		assert.Equal(t, false, got)
+
+		assert.Equal(t, got, []string{"Jenkins Master container env 'JENKINS_HOME' cannot be overridden"})
 	})
 	t.Run("missing -Djava.awt.headless=true in JAVA_OPTS env", func(t *testing.T) {
 		jenkins := v1alpha2.Jenkins{
@@ -396,7 +402,8 @@ func TestValidateJenkinsMasterPodEnvs(t *testing.T) {
 		baseReconcileLoop := New(nil, nil, logf.ZapLogger(false),
 			&jenkins, false, false, nil, nil)
 		got := baseReconcileLoop.validateJenkinsMasterPodEnvs()
-		assert.Equal(t, false, got)
+
+		assert.Equal(t, got, []string{"Jenkins Master container env 'JAVA_OPTS' doesn't have required flag '-Djava.awt.headless=true'"})
 	})
 	t.Run("missing -Djenkins.install.runSetupWizard=false in JAVA_OPTS env", func(t *testing.T) {
 		jenkins := v1alpha2.Jenkins{
@@ -418,7 +425,8 @@ func TestValidateJenkinsMasterPodEnvs(t *testing.T) {
 		baseReconcileLoop := New(nil, nil, logf.ZapLogger(false),
 			&jenkins, false, false, nil, nil)
 		got := baseReconcileLoop.validateJenkinsMasterPodEnvs()
-		assert.Equal(t, false, got)
+
+		assert.Equal(t, got, []string{"Jenkins Master container env 'JAVA_OPTS' doesn't have required flag '-Djenkins.install.runSetupWizard=false'"})
 	})
 }
 
@@ -438,7 +446,7 @@ func TestValidateReservedVolumes(t *testing.T) {
 		baseReconcileLoop := New(nil, nil, logf.ZapLogger(false),
 			&jenkins, false, false, nil, nil)
 		got := baseReconcileLoop.validateReservedVolumes()
-		assert.Equal(t, true, got)
+		assert.Nil(t, got)
 	})
 	t.Run("used reserved name", func(t *testing.T) {
 		jenkins := v1alpha2.Jenkins{
@@ -455,7 +463,8 @@ func TestValidateReservedVolumes(t *testing.T) {
 		baseReconcileLoop := New(nil, nil, logf.ZapLogger(false),
 			&jenkins, false, false, nil, nil)
 		got := baseReconcileLoop.validateReservedVolumes()
-		assert.Equal(t, false, got)
+
+		assert.Equal(t, got, []string{"Jenkins Master pod volume 'jenkins-home' is reserved please choose different one"})
 	})
 }
 
@@ -469,7 +478,7 @@ func TestValidateContainerVolumeMounts(t *testing.T) {
 		baseReconcileLoop := New(nil, nil, logf.ZapLogger(false),
 			&jenkins, false, false, nil, nil)
 		got := baseReconcileLoop.validateContainerVolumeMounts(v1alpha2.Container{})
-		assert.Equal(t, true, got)
+		assert.Nil(t, got)
 	})
 	t.Run("one extra volume", func(t *testing.T) {
 		jenkins := v1alpha2.Jenkins{
@@ -496,7 +505,7 @@ func TestValidateContainerVolumeMounts(t *testing.T) {
 		baseReconcileLoop := New(nil, nil, logf.ZapLogger(false),
 			&jenkins, false, false, nil, nil)
 		got := baseReconcileLoop.validateContainerVolumeMounts(jenkins.Spec.Master.Containers[0])
-		assert.Equal(t, true, got)
+		assert.Nil(t, got)
 	})
 	t.Run("empty mountPath", func(t *testing.T) {
 		jenkins := v1alpha2.Jenkins{
@@ -523,7 +532,7 @@ func TestValidateContainerVolumeMounts(t *testing.T) {
 		baseReconcileLoop := New(nil, nil, logf.ZapLogger(false),
 			&jenkins, false, false, nil, nil)
 		got := baseReconcileLoop.validateContainerVolumeMounts(jenkins.Spec.Master.Containers[0])
-		assert.Equal(t, false, got)
+		assert.NotNil(t, got)
 	})
 	t.Run("missing volume", func(t *testing.T) {
 		jenkins := v1alpha2.Jenkins{
@@ -545,7 +554,8 @@ func TestValidateContainerVolumeMounts(t *testing.T) {
 		baseReconcileLoop := New(nil, nil, logf.ZapLogger(false),
 			&jenkins, false, false, nil, nil)
 		got := baseReconcileLoop.validateContainerVolumeMounts(jenkins.Spec.Master.Containers[0])
-		assert.Equal(t, false, got)
+
+		assert.Equal(t, got, []string{"Not found volume for 'missing-volume' volume mount in container ''"})
 	})
 }
 
@@ -568,7 +578,7 @@ func TestValidateConfigMapVolume(t *testing.T) {
 		got, err := baseReconcileLoop.validateConfigMapVolume(volume)
 
 		assert.NoError(t, err)
-		assert.True(t, got)
+		assert.Nil(t, got)
 	})
 	t.Run("happy, required", func(t *testing.T) {
 		optional := false
@@ -594,7 +604,7 @@ func TestValidateConfigMapVolume(t *testing.T) {
 		got, err := baseReconcileLoop.validateConfigMapVolume(volume)
 
 		assert.NoError(t, err)
-		assert.True(t, got)
+		assert.Nil(t, got)
 	})
 	t.Run("missing configmap", func(t *testing.T) {
 		optional := false
@@ -618,7 +628,8 @@ func TestValidateConfigMapVolume(t *testing.T) {
 		got, err := baseReconcileLoop.validateConfigMapVolume(volume)
 
 		assert.NoError(t, err)
-		assert.False(t, got)
+
+		assert.Equal(t, got, []string{"ConfigMap 'configmap-name' not found for volume '{volume-name {nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil &ConfigMapVolumeSource{LocalObjectReference:LocalObjectReference{Name:configmap-name,},Items:[],DefaultMode:nil,Optional:*false,} nil nil nil nil nil nil nil nil}}'"})
 	})
 }
 
@@ -641,7 +652,7 @@ func TestValidateSecretVolume(t *testing.T) {
 		got, err := baseReconcileLoop.validateSecretVolume(volume)
 
 		assert.NoError(t, err)
-		assert.True(t, got)
+		assert.Nil(t, got)
 	})
 	t.Run("happy, required", func(t *testing.T) {
 		optional := false
@@ -665,7 +676,7 @@ func TestValidateSecretVolume(t *testing.T) {
 		got, err := baseReconcileLoop.validateSecretVolume(volume)
 
 		assert.NoError(t, err)
-		assert.True(t, got)
+		assert.Nil(t, got)
 	})
 	t.Run("missing secret", func(t *testing.T) {
 		optional := false
@@ -687,7 +698,8 @@ func TestValidateSecretVolume(t *testing.T) {
 		got, err := baseReconcileLoop.validateSecretVolume(volume)
 
 		assert.NoError(t, err)
-		assert.False(t, got)
+
+		assert.Equal(t, got, []string{"Secret 'secret-name' not found for volume '{volume-name {nil nil nil nil nil &SecretVolumeSource{SecretName:secret-name,Items:[],DefaultMode:nil,Optional:*false,} nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil}}'"})
 	})
 }
 
@@ -709,7 +721,7 @@ func TestValidateCustomization(t *testing.T) {
 		got, err := baseReconcileLoop.validateCustomization(customization, "spec.groovyScripts")
 
 		assert.NoError(t, err)
-		assert.True(t, got)
+		assert.Nil(t, got)
 	})
 	t.Run("secret set but configurations is empty", func(t *testing.T) {
 		customization := v1alpha2.Customization{
@@ -731,7 +743,8 @@ func TestValidateCustomization(t *testing.T) {
 		got, err := baseReconcileLoop.validateCustomization(customization, "spec.groovyScripts")
 
 		assert.NoError(t, err)
-		assert.False(t, got)
+
+		assert.Equal(t, got, []string{"spec.groovyScripts.secret.name is set but spec.groovyScripts.configurations is empty"})
 	})
 	t.Run("secret and configmap exists", func(t *testing.T) {
 		customization := v1alpha2.Customization{
@@ -761,7 +774,7 @@ func TestValidateCustomization(t *testing.T) {
 		got, err := baseReconcileLoop.validateCustomization(customization, "spec.groovyScripts")
 
 		assert.NoError(t, err)
-		assert.True(t, got)
+		assert.Nil(t, got)
 	})
 	t.Run("secret not exists and configmap exists", func(t *testing.T) {
 		configMapName := "configmap-name"
@@ -784,7 +797,8 @@ func TestValidateCustomization(t *testing.T) {
 		got, err := baseReconcileLoop.validateCustomization(customization, "spec.groovyScripts")
 
 		assert.NoError(t, err)
-		assert.False(t, got)
+
+		assert.Equal(t, got, []string{"Secret 'secretName' configured in spec.groovyScripts.secret.name not found"})
 	})
 	t.Run("secret exists and configmap not exists", func(t *testing.T) {
 		customization := v1alpha2.Customization{
@@ -806,6 +820,7 @@ func TestValidateCustomization(t *testing.T) {
 		got, err := baseReconcileLoop.validateCustomization(customization, "spec.groovyScripts")
 
 		assert.NoError(t, err)
-		assert.False(t, got)
+
+		assert.Equal(t, got, []string{"ConfigMap 'configmap-name' configured in spec.groovyScripts.configurations[0] not found"})
 	})
 }

pkg/controller/jenkins/configuration/user/seedjobs/validate.go

@@ -8,9 +8,6 @@ import (
 	"strings"
 
 	"github.com/jenkinsci/kubernetes-operator/pkg/apis/jenkins/v1alpha2"
-	"github.com/jenkinsci/kubernetes-operator/pkg/log"
-
-	"github.com/go-logr/logr"
 	stackerr "github.com/pkg/errors"
 	"github.com/robfig/cron"
 	"k8s.io/api/core/v1"
@@ -19,51 +16,42 @@ import (
 )
 
 // ValidateSeedJobs verify seed jobs configuration
-func (s *SeedJobs) ValidateSeedJobs(jenkins v1alpha2.Jenkins) (bool, error) {
+func (s *SeedJobs) ValidateSeedJobs(jenkins v1alpha2.Jenkins) ([]string, error) {
-	valid := true
+	var messages []string
 
-	if !s.validateIfIDIsUnique(jenkins.Spec.SeedJobs) {
+	if msg := s.validateIfIDIsUnique(jenkins.Spec.SeedJobs); len(msg) > 0 {
-		valid = false
+		messages = append(messages, msg...)
 	}
 
 	for _, seedJob := range jenkins.Spec.SeedJobs {
-		logger := s.logger.WithValues("seedJob", seedJob.ID).V(log.VWarn)
-
 		if len(seedJob.ID) == 0 {
-			logger.Info("id can't be empty")
+			messages = append(messages, fmt.Sprintf("seedJob `%s` id can't be empty", seedJob.ID))
-			valid = false
 		}
 
 		if len(seedJob.RepositoryBranch) == 0 {
-			logger.Info("repository branch can't be empty")
+			messages = append(messages, fmt.Sprintf("seedJob `%s` repository branch can't be empty", seedJob.ID))
-			valid = false
 		}
 
 		if len(seedJob.RepositoryURL) == 0 {
-			logger.Info("repository URL branch can't be empty")
+			messages = append(messages, fmt.Sprintf("seedJob `%s` repository URL branch can't be empty", seedJob.ID))
-			valid = false
 		}
 
 		if len(seedJob.Targets) == 0 {
-			logger.Info("targets can't be empty")
+			messages = append(messages, fmt.Sprintf("seedJob `%s` targets can't be empty", seedJob.ID))
-			valid = false
 		}
 
 		if _, ok := v1alpha2.AllowedJenkinsCredentialMap[string(seedJob.JenkinsCredentialType)]; !ok {
-			logger.Info("unknown credential type")
+			messages = append(messages, fmt.Sprintf("seedJob `%s` unknown credential type", seedJob.ID))
-			return false, nil
 		}
 
 		if (seedJob.JenkinsCredentialType == v1alpha2.BasicSSHCredentialType ||
 			seedJob.JenkinsCredentialType == v1alpha2.UsernamePasswordCredentialType) && len(seedJob.CredentialID) == 0 {
-			logger.Info("credential ID can't be empty")
+			messages = append(messages, fmt.Sprintf("seedJob `%s` credential ID can't be empty", seedJob.ID))
-			valid = false
 		}
 
 		// validate repository url match private key
 		if strings.Contains(seedJob.RepositoryURL, "git@") && seedJob.JenkinsCredentialType == v1alpha2.NoJenkinsCredentialCredentialType {
-			logger.Info("Jenkins credential must be set while using ssh repository url")
+			messages = append(messages, fmt.Sprintf("seedJob `%s` Jenkins credential must be set while using ssh repository url", seedJob.ID))
-			valid = false
 		}
 
 		if seedJob.JenkinsCredentialType == v1alpha2.BasicSSHCredentialType || seedJob.JenkinsCredentialType == v1alpha2.UsernamePasswordCredentialType {
@@ -71,56 +59,66 @@ func (s *SeedJobs) ValidateSeedJobs(jenkins v1alpha2.Jenkins) (bool, error) {
 			namespaceName := types.NamespacedName{Namespace: jenkins.Namespace, Name: seedJob.CredentialID}
 			err := s.k8sClient.Get(context.TODO(), namespaceName, secret)
 			if err != nil && apierrors.IsNotFound(err) {
-				logger.Info(fmt.Sprintf("required secret '%s' with Jenkins credential not found", seedJob.CredentialID))
+				messages = append(messages, fmt.Sprintf("seedJob `%s` required secret '%s' with Jenkins credential not found", seedJob.ID, seedJob.CredentialID))
-				return false, nil
 			} else if err != nil {
-				return false, stackerr.WithStack(err)
+				return nil, stackerr.WithStack(err)
 			}
 
 			if seedJob.JenkinsCredentialType == v1alpha2.BasicSSHCredentialType {
-				if ok := validateBasicSSHSecret(logger, *secret); !ok {
+				if msg := validateBasicSSHSecret(*secret); len(msg) > 0 {
-					valid = false
+					for _, m := range msg {
+						messages = append(messages, fmt.Sprintf("seedJob `%s` %s", seedJob.ID, m))
+					}
 				}
 			}
 			if seedJob.JenkinsCredentialType == v1alpha2.UsernamePasswordCredentialType {
-				if ok := validateUsernamePasswordSecret(logger, *secret); !ok {
+				if msg := validateUsernamePasswordSecret(*secret); len(msg) > 0 {
-					valid = false
+					for _, m := range msg {
+						messages = append(messages, fmt.Sprintf("seedJob `%s` %s", seedJob.ID, m))
+					}
 				}
 			}
 		}
 
 		if len(seedJob.BuildPeriodically) > 0 {
-			if !s.validateSchedule(seedJob, seedJob.BuildPeriodically, "buildPeriodically") {
+			if msg := s.validateSchedule(seedJob, seedJob.BuildPeriodically, "buildPeriodically"); len(msg) > 0 {
-				valid = false
+				for _, m := range msg {
+					messages = append(messages, fmt.Sprintf("seedJob `%s` %s", seedJob.ID, m))
+				}
 			}
 		}
 
 		if len(seedJob.PollSCM) > 0 {
-			if !s.validateSchedule(seedJob, seedJob.PollSCM, "pollSCM") {
+			if msg := s.validateSchedule(seedJob, seedJob.PollSCM, "pollSCM"); len(msg) > 0 {
-				valid = false
+				for _, m := range msg {
+					messages = append(messages, fmt.Sprintf("seedJob `%s` %s", seedJob.ID, m))
+				}
 			}
 		}
 
 		if seedJob.GitHubPushTrigger {
-			if !s.validateGitHubPushTrigger(jenkins) {
+			if msg := s.validateGitHubPushTrigger(jenkins); len(msg) > 0 {
-				valid = false
+				for _, m := range msg {
+					messages = append(messages, fmt.Sprintf("seedJob `%s` %s", seedJob.ID, m))
+				}
 			}
 		}
 	}
 
-	return valid, nil
+	return messages, nil
 }
 
-func (s *SeedJobs) validateSchedule(job v1alpha2.SeedJob, str string, key string) bool {
+func (s *SeedJobs) validateSchedule(job v1alpha2.SeedJob, str string, key string) []string {
+	var messages []string
 	_, err := cron.Parse(str)
 	if err != nil {
-		s.logger.V(log.VWarn).Info(fmt.Sprintf("`%s` schedule '%s' is invalid cron spec in `%s`", key, str, job.ID))
+		messages = append(messages, fmt.Sprintf("`%s` schedule '%s' is invalid cron spec in `%s`", key, str, job.ID))
-		return false
 	}
-	return true
+	return messages
 }
 
-func (s *SeedJobs) validateGitHubPushTrigger(jenkins v1alpha2.Jenkins) bool {
+func (s *SeedJobs) validateGitHubPushTrigger(jenkins v1alpha2.Jenkins) []string {
+	var messages []string
 	exists := false
 	for _, plugin := range jenkins.Spec.Master.BasePlugins {
 		if plugin.Name == "github" {
@@ -136,75 +134,65 @@ func (s *SeedJobs) validateGitHubPushTrigger(jenkins v1alpha2.Jenkins) bool {
 	}
 
 	if !exists && !userExists {
-		s.logger.V(log.VWarn).Info("githubPushTrigger is set. This function requires `github` plugin installed in .Spec.Master.Plugins because seed jobs Push Trigger function needs it")
+		messages = append(messages, "githubPushTrigger is set. This function requires `github` plugin installed in .Spec.Master.Plugins because seed jobs Push Trigger function needs it")
-		return false
 	}
-	return true
+	return messages
 }
 
-func (s *SeedJobs) validateIfIDIsUnique(seedJobs []v1alpha2.SeedJob) bool {
+func (s *SeedJobs) validateIfIDIsUnique(seedJobs []v1alpha2.SeedJob) []string {
+	var messages []string
 	ids := map[string]bool{}
 	for _, seedJob := range seedJobs {
 		if _, found := ids[seedJob.ID]; found {
-			s.logger.V(log.VWarn).Info(fmt.Sprintf("'%s' seed job ID is not unique", seedJob.ID))
+			messages = append(messages, fmt.Sprintf("'%s' seed job ID is not unique", seedJob.ID))
-			return false
 		}
 		ids[seedJob.ID] = true
 	}
-	return true
+	return messages
 }
 
-func validateBasicSSHSecret(logger logr.InfoLogger, secret v1.Secret) bool {
+func validateBasicSSHSecret(secret v1.Secret) []string {
-	valid := true
+	var messages []string
 	username, exists := secret.Data[UsernameSecretKey]
 	if !exists {
-		logger.Info(fmt.Sprintf("required data '%s' not found in secret '%s'", UsernameSecretKey, secret.ObjectMeta.Name))
+		messages = append(messages, fmt.Sprintf("required data '%s' not found in secret '%s'", UsernameSecretKey, secret.ObjectMeta.Name))
-		valid = false
 	}
 	if len(username) == 0 {
-		logger.Info(fmt.Sprintf("required data '%s' is empty in secret '%s'", UsernameSecretKey, secret.ObjectMeta.Name))
+		messages = append(messages, fmt.Sprintf("required data '%s' is empty in secret '%s'", UsernameSecretKey, secret.ObjectMeta.Name))
-		valid = false
 	}
 
 	privateKey, exists := secret.Data[PrivateKeySecretKey]
 	if !exists {
-		logger.Info(fmt.Sprintf("required data '%s' not found in secret '%s'", PrivateKeySecretKey, secret.ObjectMeta.Name))
+		messages = append(messages, fmt.Sprintf("required data '%s' not found in secret '%s'", PrivateKeySecretKey, secret.ObjectMeta.Name))
-		valid = false
 	}
 	if len(string(privateKey)) == 0 {
-		logger.Info(fmt.Sprintf("required data '%s' not found in secret '%s'", PrivateKeySecretKey, secret.ObjectMeta.Name))
+		messages = append(messages, fmt.Sprintf("required data '%s' not found in secret '%s'", PrivateKeySecretKey, secret.ObjectMeta.Name))
-		return false
 	}
 	if err := validatePrivateKey(string(privateKey)); err != nil {
-		logger.Info(fmt.Sprintf("private key '%s' invalid in secret '%s': %s", PrivateKeySecretKey, secret.ObjectMeta.Name, err))
+		messages = append(messages, fmt.Sprintf("private key '%s' invalid in secret '%s': %s", PrivateKeySecretKey, secret.ObjectMeta.Name, err))
-		valid = false
 	}
 
-	return valid
+	return messages
 }
 
-func validateUsernamePasswordSecret(logger logr.InfoLogger, secret v1.Secret) bool {
+func validateUsernamePasswordSecret(secret v1.Secret) []string {
-	valid := true
+	var messages []string
 	username, exists := secret.Data[UsernameSecretKey]
 	if !exists {
-		logger.Info(fmt.Sprintf("required data '%s' not found in secret '%s'", UsernameSecretKey, secret.ObjectMeta.Name))
+		messages = append(messages, fmt.Sprintf("required data '%s' not found in secret '%s'", UsernameSecretKey, secret.ObjectMeta.Name))
-		valid = false
 	}
 	if len(username) == 0 {
-		logger.Info(fmt.Sprintf("required data '%s' is empty in secret '%s'", UsernameSecretKey, secret.ObjectMeta.Name))
+		messages = append(messages, fmt.Sprintf("required data '%s' is empty in secret '%s'", UsernameSecretKey, secret.ObjectMeta.Name))
-		valid = false
 	}
 	password, exists := secret.Data[PasswordSecretKey]
 	if !exists {
-		logger.Info(fmt.Sprintf("required data '%s' not found in secret '%s'", PasswordSecretKey, secret.ObjectMeta.Name))
+		messages = append(messages, fmt.Sprintf("required data '%s' not found in secret '%s'", PasswordSecretKey, secret.ObjectMeta.Name))
-		valid = false
 	}
 	if len(password) == 0 {
-		logger.Info(fmt.Sprintf("required data '%s' is empty in secret '%s'", PasswordSecretKey, secret.ObjectMeta.Name))
+		messages = append(messages, fmt.Sprintf("required data '%s' is empty in secret '%s'", PasswordSecretKey, secret.ObjectMeta.Name))
-		valid = false
 	}
 
-	return valid
+	return messages
 }
 
 func validatePrivateKey(privateKey string) error {

pkg/controller/jenkins/configuration/user/seedjobs/validate_test.go

@@ -76,7 +76,7 @@ func TestValidateSeedJobs(t *testing.T) {
 		result, err := seedJobs.ValidateSeedJobs(jenkins)
 
 		assert.NoError(t, err)
-		assert.Equal(t, true, result)
+		assert.Nil(t, result)
 	})
 	t.Run("Invalid without id", func(t *testing.T) {
 		jenkins := v1alpha2.Jenkins{
@@ -96,7 +96,8 @@ func TestValidateSeedJobs(t *testing.T) {
 		result, err := seedJobs.ValidateSeedJobs(jenkins)
 
 		assert.NoError(t, err)
-		assert.Equal(t, false, result)
+
+		assert.Equal(t, result, []string{"seedJob `` id can't be empty"})
 	})
 	t.Run("Valid with private key and secret", func(t *testing.T) {
 		jenkins := v1alpha2.Jenkins{
@@ -129,7 +130,7 @@ func TestValidateSeedJobs(t *testing.T) {
 		result, err := seedJobs.ValidateSeedJobs(jenkins)
 
 		assert.NoError(t, err)
-		assert.Equal(t, true, result)
+		assert.Nil(t, result)
 	})
 	t.Run("Invalid private key in secret", func(t *testing.T) {
 		jenkins := v1alpha2.Jenkins{
@@ -162,7 +163,8 @@ func TestValidateSeedJobs(t *testing.T) {
 		result, err := seedJobs.ValidateSeedJobs(jenkins)
 
 		assert.NoError(t, err)
-		assert.Equal(t, false, result)
+
+		assert.Equal(t, result, []string{"seedJob `example` private key 'privateKey' invalid in secret 'deploy-keys': failed to decode PEM block"})
 	})
 	t.Run("Invalid with PrivateKey and empty Secret data", func(t *testing.T) {
 		jenkins := v1alpha2.Jenkins{
@@ -195,7 +197,8 @@ func TestValidateSeedJobs(t *testing.T) {
 		result, err := seedJobs.ValidateSeedJobs(jenkins)
 
 		assert.NoError(t, err)
-		assert.Equal(t, false, result)
+
+		assert.Equal(t, result, []string{"seedJob `example` required data 'privateKey' not found in secret 'deploy-keys'", "seedJob `example` private key 'privateKey' invalid in secret 'deploy-keys': failed to decode PEM block"})
 	})
 	t.Run("Invalid with ssh RepositoryURL and empty PrivateKey", func(t *testing.T) {
 		jenkins := v1alpha2.Jenkins{
@@ -217,7 +220,8 @@ func TestValidateSeedJobs(t *testing.T) {
 		result, err := seedJobs.ValidateSeedJobs(jenkins)
 
 		assert.NoError(t, err)
-		assert.Equal(t, false, result)
+
+		assert.Equal(t, result, []string([]string{"seedJob `example` required secret 'jenkins-operator-e2e' with Jenkins credential not found", "seedJob `example` required data 'username' not found in secret ''", "seedJob `example` required data 'username' is empty in secret ''", "seedJob `example` required data 'privateKey' not found in secret ''", "seedJob `example` required data 'privateKey' not found in secret ''", "seedJob `example` private key 'privateKey' invalid in secret '': failed to decode PEM block"}))
 	})
 	t.Run("Invalid without targets", func(t *testing.T) {
 		jenkins := v1alpha2.Jenkins{
@@ -237,7 +241,8 @@ func TestValidateSeedJobs(t *testing.T) {
 		result, err := seedJobs.ValidateSeedJobs(jenkins)
 
 		assert.NoError(t, err)
-		assert.Equal(t, false, result)
+
+		assert.Equal(t, result, []string{"seedJob `example` targets can't be empty"})
 	})
 	t.Run("Invalid without repository URL", func(t *testing.T) {
 		jenkins := v1alpha2.Jenkins{
@@ -257,7 +262,8 @@ func TestValidateSeedJobs(t *testing.T) {
 		result, err := seedJobs.ValidateSeedJobs(jenkins)
 
 		assert.NoError(t, err)
-		assert.Equal(t, false, result)
+
+		assert.Equal(t, result, []string{"seedJob `example` repository URL branch can't be empty"})
 	})
 	t.Run("Invalid without repository branch", func(t *testing.T) {
 		jenkins := v1alpha2.Jenkins{
@@ -277,7 +283,8 @@ func TestValidateSeedJobs(t *testing.T) {
 		result, err := seedJobs.ValidateSeedJobs(jenkins)
 
 		assert.NoError(t, err)
-		assert.Equal(t, false, result)
+
+		assert.Equal(t, result, []string{"seedJob `example` repository branch can't be empty"})
 	})
 	t.Run("Valid with username and password", func(t *testing.T) {
 		jenkins := v1alpha2.Jenkins{
@@ -310,7 +317,7 @@ func TestValidateSeedJobs(t *testing.T) {
 		result, err := seedJobs.ValidateSeedJobs(jenkins)
 
 		assert.NoError(t, err)
-		assert.Equal(t, true, result)
+		assert.Nil(t, result)
 	})
 	t.Run("Invalid with empty username", func(t *testing.T) {
 		jenkins := v1alpha2.Jenkins{
@@ -343,7 +350,8 @@ func TestValidateSeedJobs(t *testing.T) {
 		result, err := seedJobs.ValidateSeedJobs(jenkins)
 
 		assert.NoError(t, err)
-		assert.Equal(t, false, result)
+
+		assert.Equal(t, result, []string{"seedJob `example` required data 'username' is empty in secret 'deploy-keys'"})
 	})
 	t.Run("Invalid with empty password", func(t *testing.T) {
 		jenkins := v1alpha2.Jenkins{
@@ -376,7 +384,8 @@ func TestValidateSeedJobs(t *testing.T) {
 		result, err := seedJobs.ValidateSeedJobs(jenkins)
 
 		assert.NoError(t, err)
-		assert.Equal(t, false, result)
+
+		assert.Equal(t, result, []string{"seedJob `example` required data 'password' is empty in secret 'deploy-keys'"})
 	})
 	t.Run("Invalid without username", func(t *testing.T) {
 		jenkins := v1alpha2.Jenkins{
@@ -408,7 +417,8 @@ func TestValidateSeedJobs(t *testing.T) {
 		result, err := seedJobs.ValidateSeedJobs(jenkins)
 
 		assert.NoError(t, err)
-		assert.Equal(t, false, result)
+
+		assert.Equal(t, result, []string{"seedJob `example` required data 'username' not found in secret 'deploy-keys'", "seedJob `example` required data 'username' is empty in secret 'deploy-keys'"})
 	})
 	t.Run("Invalid without password", func(t *testing.T) {
 		jenkins := v1alpha2.Jenkins{
@@ -440,7 +450,8 @@ func TestValidateSeedJobs(t *testing.T) {
 		result, err := seedJobs.ValidateSeedJobs(jenkins)
 
 		assert.NoError(t, err)
-		assert.Equal(t, false, result)
+
+		assert.Equal(t, result, []string{"seedJob `example` required data 'password' not found in secret 'deploy-keys'", "seedJob `example` required data 'password' is empty in secret 'deploy-keys'"})
 	})
 	t.Run("Invalid with wrong cron spec", func(t *testing.T) {
 		jenkins := v1alpha2.Jenkins{
@@ -463,7 +474,8 @@ func TestValidateSeedJobs(t *testing.T) {
 		result, err := seedJobs.ValidateSeedJobs(jenkins)
 
 		assert.NoError(t, err)
-		assert.False(t, result)
+
+		assert.Equal(t, result, []string{"seedJob `example` `buildPeriodically` schedule 'invalid-cron-spec' is invalid cron spec in `example`"})
 	})
 	t.Run("Valid with good cron spec", func(t *testing.T) {
 		jenkins := v1alpha2.Jenkins{
@@ -487,7 +499,7 @@ func TestValidateSeedJobs(t *testing.T) {
 		result, err := seedJobs.ValidateSeedJobs(jenkins)
 
 		assert.NoError(t, err)
-		assert.True(t, result)
+		assert.Nil(t, result)
 	})
 	t.Run("Invalid with set githubPushTrigger and not installed github plugin", func(t *testing.T) {
 		jenkins := v1alpha2.Jenkins{
@@ -510,7 +522,8 @@ func TestValidateSeedJobs(t *testing.T) {
 		result, err := seedJobs.ValidateSeedJobs(jenkins)
 
 		assert.NoError(t, err)
-		assert.False(t, result)
+
+		assert.Equal(t, result, []string{"seedJob `example` githubPushTrigger is set. This function requires `github` plugin installed in .Spec.Master.Plugins because seed jobs Push Trigger function needs it"})
 	})
 	t.Run("Invalid with set githubPushTrigger and not installed github plugin", func(t *testing.T) {
 		jenkins := v1alpha2.Jenkins{
@@ -538,7 +551,7 @@ func TestValidateSeedJobs(t *testing.T) {
 		result, err := seedJobs.ValidateSeedJobs(jenkins)
 
 		assert.NoError(t, err)
-		assert.True(t, result)
+		assert.Nil(t, result)
 	})
 }
 
@@ -549,7 +562,7 @@ func TestValidateIfIDIsUnique(t *testing.T) {
 		}
 		ctrl := New(nil, nil, logf.ZapLogger(false))
 		got := ctrl.validateIfIDIsUnique(seedJobs)
-		assert.Equal(t, true, got)
+		assert.Nil(t, got)
 	})
 	t.Run("duplicated ids", func(t *testing.T) {
 		seedJobs := []v1alpha2.SeedJob{
@@ -557,6 +570,7 @@ func TestValidateIfIDIsUnique(t *testing.T) {
 		}
 		ctrl := New(nil, nil, logf.ZapLogger(false))
 		got := ctrl.validateIfIDIsUnique(seedJobs)
-		assert.Equal(t, false, got)
+
+		assert.Equal(t, got, []string{"'first' seed job ID is not unique"})
 	})
 }

pkg/controller/jenkins/configuration/user/validate.go

@@ -7,10 +7,10 @@ import (
 )
 
 // Validate validates Jenkins CR Spec section
-func (r *ReconcileUserConfiguration) Validate(jenkins *v1alpha2.Jenkins) (bool, error) {
+func (r *ReconcileUserConfiguration) Validate(jenkins *v1alpha2.Jenkins) ([]string, error) {
 	backupAndRestore := backuprestore.New(r.k8sClient, r.clientSet, r.logger, r.jenkins, r.config)
-	if ok := backupAndRestore.Validate(); !ok {
+	if msg := backupAndRestore.Validate(); msg != nil {
-		return false, nil
+		return msg, nil
 	}
 
 	seedJobs := seedjobs.New(r.jenkinsClient, r.k8sClient, r.logger)

pkg/controller/jenkins/jenkins_controller.go

@@ -3,6 +3,7 @@ package jenkins
 import (
 	"context"
 	"fmt"
+
 	"reflect"
 
 	"github.com/jenkinsci/kubernetes-operator/pkg/apis/jenkins/v1alpha2"
@@ -11,8 +12,8 @@ import (
 	"github.com/jenkinsci/kubernetes-operator/pkg/controller/jenkins/configuration/base/resources"
 	"github.com/jenkinsci/kubernetes-operator/pkg/controller/jenkins/configuration/user"
 	"github.com/jenkinsci/kubernetes-operator/pkg/controller/jenkins/constants"
+	"github.com/jenkinsci/kubernetes-operator/pkg/controller/jenkins/notifications"
 	"github.com/jenkinsci/kubernetes-operator/pkg/controller/jenkins/plugins"
-	"github.com/jenkinsci/kubernetes-operator/pkg/event"
 	"github.com/jenkinsci/kubernetes-operator/pkg/log"
 	"github.com/jenkinsci/kubernetes-operator/version"
 
@@ -34,15 +35,6 @@ import (
 	"sigs.k8s.io/controller-runtime/pkg/source"
 )
 
-const (
-	// reasonBaseConfigurationSuccess is the event which informs base configuration has been completed successfully
-	reasonBaseConfigurationSuccess event.Reason = "BaseConfigurationSuccess"
-	// reasonUserConfigurationSuccess is the event which informs user configuration has been completed successfully
-	reasonUserConfigurationSuccess event.Reason = "BaseConfigurationFailure"
-	// reasonCRValidationFailure is the event which informs user has provided invalid configuration in Jenkins CR
-	reasonCRValidationFailure event.Reason = "CRValidationFailure"
-)
-
 type reconcileError struct {
 	err     error
 	counter uint64
@@ -52,20 +44,20 @@ var reconcileErrors = map[string]reconcileError{}
 
 // Add creates a new Jenkins Controller and adds it to the Manager. The Manager will set fields on the Controller
 // and Start it when the Manager is Started.
-func Add(mgr manager.Manager, local, minikube bool, events event.Recorder, clientSet kubernetes.Clientset, config rest.Config) error {
+func Add(mgr manager.Manager, local, minikube bool, clientSet kubernetes.Clientset, config rest.Config, notificationEvents *chan notifications.Event) error {
-	return add(mgr, newReconciler(mgr, local, minikube, events, clientSet, config))
+	return add(mgr, newReconciler(mgr, local, minikube, clientSet, config, notificationEvents))
 }
 
 // newReconciler returns a new reconcile.Reconciler
-func newReconciler(mgr manager.Manager, local, minikube bool, events event.Recorder, clientSet kubernetes.Clientset, config rest.Config) reconcile.Reconciler {
+func newReconciler(mgr manager.Manager, local, minikube bool, clientSet kubernetes.Clientset, config rest.Config, notificationEvents *chan notifications.Event) reconcile.Reconciler {
 	return &ReconcileJenkins{
-		client:    mgr.GetClient(),
+		client:             mgr.GetClient(),
-		scheme:    mgr.GetScheme(),
+		scheme:             mgr.GetScheme(),
-		local:     local,
+		local:              local,
-		minikube:  minikube,
+		minikube:           minikube,
-		events:    events,
+		clientSet:          clientSet,
-		clientSet: clientSet,
+		config:             config,
-		config:    config,
+		notificationEvents: notificationEvents,
 	}
 }
 
@@ -119,20 +111,21 @@ var _ reconcile.Reconciler = &ReconcileJenkins{}
 
 // ReconcileJenkins reconciles a Jenkins object
 type ReconcileJenkins struct {
-	client          client.Client
+	client             client.Client
-	scheme          *runtime.Scheme
+	scheme             *runtime.Scheme
-	local, minikube bool
+	local, minikube    bool
-	events          event.Recorder
+	clientSet          kubernetes.Clientset
-	clientSet       kubernetes.Clientset
+	config             rest.Config
-	config          rest.Config
+	notificationEvents *chan notifications.Event
 }
 
 // Reconcile it's a main reconciliation loop which maintain desired state based on Jenkins.Spec
 func (r *ReconcileJenkins) Reconcile(request reconcile.Request) (reconcile.Result, error) {
+	reconcileFailLimit := uint64(10)
 	logger := r.buildLogger(request.Name)
 	logger.V(log.VDebug).Info("Reconciling Jenkins")
 
-	result, err := r.reconcile(request, logger)
+	result, jenkins, err := r.reconcile(request, logger)
 	if err != nil && apierrors.IsConflict(err) {
 		return reconcile.Result{Requeue: true}, nil
 	} else if err != nil {
@@ -151,11 +144,19 @@ func (r *ReconcileJenkins) Reconcile(request reconcile.Request) (reconcile.Resul
 			}
 		}
 		reconcileErrors[request.Name] = lastErrors
-		if lastErrors.counter >= 15 {
+		if lastErrors.counter >= reconcileFailLimit {
 			if log.Debug {
-				logger.V(log.VWarn).Info(fmt.Sprintf("Reconcile loop failed ten times with the same error, giving up: %+v", err))
+				logger.V(log.VWarn).Info(fmt.Sprintf("Reconcile loop failed %d times with the same error, giving up: %+v", reconcileFailLimit, err))
 			} else {
-				logger.V(log.VWarn).Info(fmt.Sprintf("Reconcile loop failed ten times with the same error, giving up: %s", err))
+				logger.V(log.VWarn).Info(fmt.Sprintf("Reconcile loop failed %d times with the same error, giving up: %s", reconcileFailLimit, err))
+			}
+
+			*r.notificationEvents <- notifications.Event{
+				Jenkins:         *jenkins,
+				Phase:           notifications.PhaseBase,
+				LogLevel:        v1alpha2.NotificationLogLevelWarning,
+				Message:         fmt.Sprintf("Reconcile loop failed %d times with the same error, giving up: %s", reconcileFailLimit, err),
+				MessagesVerbose: []string{fmt.Sprintf("Reconcile loop failed %d times with the same error, giving up: %+v", reconcileFailLimit, err)},
 			}
 			return reconcile.Result{Requeue: false}, nil
 		}
@@ -176,7 +177,7 @@ func (r *ReconcileJenkins) Reconcile(request reconcile.Request) (reconcile.Resul
 	return result, nil
 }
 
-func (r *ReconcileJenkins) reconcile(request reconcile.Request, logger logr.Logger) (reconcile.Result, error) {
+func (r *ReconcileJenkins) reconcile(request reconcile.Request, logger logr.Logger) (reconcile.Result, *v1alpha2.Jenkins, error) {
 	// Fetch the Jenkins instance
 	jenkins := &v1alpha2.Jenkins{}
 	err := r.client.Get(context.TODO(), request.NamespacedName, jenkins)
@@ -185,38 +186,47 @@ func (r *ReconcileJenkins) reconcile(request reconcile.Request, logger logr.Logg
 			// Request object not found, could have been deleted after reconcile request.
 			// Owned objects are automatically garbage collected. For additional cleanup logic use finalizers.
 			// Return and don't requeue
-			return reconcile.Result{}, nil
+			return reconcile.Result{}, nil, nil
 		}
 		// Error reading the object - requeue the request.
-		return reconcile.Result{}, errors.WithStack(err)
+		return reconcile.Result{}, nil, errors.WithStack(err)
 	}
 	err = r.setDefaults(jenkins, logger)
 	if err != nil {
-		return reconcile.Result{}, err
+		return reconcile.Result{}, nil, err
 	}
-
 	// Reconcile base configuration
 	baseConfiguration := base.New(r.client, r.scheme, logger, jenkins, r.local, r.minikube, &r.clientSet, &r.config)
 
-	valid, err := baseConfiguration.Validate(jenkins)
+	messages, err := baseConfiguration.Validate(jenkins)
 	if err != nil {
-		return reconcile.Result{}, err
+		return reconcile.Result{}, nil, err
 	}
-	if !valid {
+	if len(messages) > 0 {
-		r.events.Emit(jenkins, event.TypeWarning, reasonCRValidationFailure, "Base CR validation failed")
+		message := "Validation of base configuration failed, please correct Jenkins CR."
-		logger.V(log.VWarn).Info("Validation of base configuration failed, please correct Jenkins CR")
+		*r.notificationEvents <- notifications.Event{
-		return reconcile.Result{}, nil // don't requeue
+			Jenkins:         *jenkins,
+			Phase:           notifications.PhaseBase,
+			LogLevel:        v1alpha2.NotificationLogLevelWarning,
+			Message:         message,
+			MessagesVerbose: messages,
+		}
+		logger.V(log.VWarn).Info(message)
+		for _, msg := range messages {
+			logger.V(log.VWarn).Info(msg)
+		}
+		return reconcile.Result{}, nil, nil // don't requeue
 	}
 
 	result, jenkinsClient, err := baseConfiguration.Reconcile()
 	if err != nil {
-		return reconcile.Result{}, err
+		return reconcile.Result{}, nil, err
 	}
 	if result.Requeue {
-		return result, nil
+		return result, nil, nil
 	}
 	if jenkinsClient == nil {
-		return reconcile.Result{Requeue: false}, nil
+		return reconcile.Result{Requeue: false}, nil, nil
 	}
 
 	if jenkins.Status.BaseConfigurationCompletedTime == nil {
@@ -224,31 +234,50 @@ func (r *ReconcileJenkins) reconcile(request reconcile.Request, logger logr.Logg
 		jenkins.Status.BaseConfigurationCompletedTime = &now
 		err = r.client.Update(context.TODO(), jenkins)
 		if err != nil {
-			return reconcile.Result{}, errors.WithStack(err)
+			return reconcile.Result{}, nil, errors.WithStack(err)
 		}
-		logger.Info(fmt.Sprintf("Base configuration phase is complete, took %s",
+
-			jenkins.Status.BaseConfigurationCompletedTime.Sub(jenkins.Status.ProvisionStartTime.Time)))
+		message := fmt.Sprintf("Base configuration phase is complete, took %s",
-		r.events.Emit(jenkins, event.TypeNormal, reasonBaseConfigurationSuccess, "Base configuration completed")
+			jenkins.Status.BaseConfigurationCompletedTime.Sub(jenkins.Status.ProvisionStartTime.Time))
+		*r.notificationEvents <- notifications.Event{
+			Jenkins:         *jenkins,
+			Phase:           notifications.PhaseBase,
+			LogLevel:        v1alpha2.NotificationLogLevelInfo,
+			Message:         message,
+			MessagesVerbose: messages,
+		}
+		logger.Info(message)
 	}
 	// Reconcile user configuration
 	userConfiguration := user.New(r.client, jenkinsClient, logger, jenkins, r.clientSet, r.config)
 
-	valid, err = userConfiguration.Validate(jenkins)
+	messages, err = userConfiguration.Validate(jenkins)
 	if err != nil {
-		return reconcile.Result{}, err
+		return reconcile.Result{}, nil, err
 	}
-	if !valid {
+	if len(messages) > 0 {
-		logger.V(log.VWarn).Info("Validation of user configuration failed, please correct Jenkins CR")
+		message := fmt.Sprintf("Validation of user configuration failed, please correct Jenkins CR")
-		r.events.Emit(jenkins, event.TypeWarning, reasonCRValidationFailure, "User CR validation failed")
+		*r.notificationEvents <- notifications.Event{
-		return reconcile.Result{}, nil // don't requeue
+			Jenkins:         *jenkins,
+			Phase:           notifications.PhaseUser,
+			LogLevel:        v1alpha2.NotificationLogLevelWarning,
+			Message:         message,
+			MessagesVerbose: messages,
+		}
+
+		logger.V(log.VWarn).Info(message)
+		for _, msg := range messages {
+			logger.V(log.VWarn).Info(msg)
+		}
+		return reconcile.Result{}, nil, nil // don't requeue
 	}
 
 	result, err = userConfiguration.Reconcile()
 	if err != nil {
-		return reconcile.Result{}, err
+		return reconcile.Result{}, nil, err
 	}
 	if result.Requeue {
-		return result, nil
+		return result, nil, nil
 	}
 
 	if jenkins.Status.UserConfigurationCompletedTime == nil {
@@ -256,14 +285,21 @@ func (r *ReconcileJenkins) reconcile(request reconcile.Request, logger logr.Logg
 		jenkins.Status.UserConfigurationCompletedTime = &now
 		err = r.client.Update(context.TODO(), jenkins)
 		if err != nil {
-			return reconcile.Result{}, errors.WithStack(err)
+			return reconcile.Result{}, nil, errors.WithStack(err)
 		}
-		logger.Info(fmt.Sprintf("User configuration phase is complete, took %s",
+		message := fmt.Sprintf("User configuration phase is complete, took %s",
-			jenkins.Status.UserConfigurationCompletedTime.Sub(jenkins.Status.ProvisionStartTime.Time)))
+			jenkins.Status.UserConfigurationCompletedTime.Sub(jenkins.Status.ProvisionStartTime.Time))
-		r.events.Emit(jenkins, event.TypeNormal, reasonUserConfigurationSuccess, "User configuration completed")
+		*r.notificationEvents <- notifications.Event{
+			Jenkins:         *jenkins,
+			Phase:           notifications.PhaseUser,
+			LogLevel:        v1alpha2.NotificationLogLevelInfo,
+			Message:         message,
+			MessagesVerbose: messages,
+		}
+		logger.Info(message)
 	}
 
-	return reconcile.Result{}, nil
+	return reconcile.Result{}, jenkins, nil
 }
 
 func (r *ReconcileJenkins) buildLogger(jenkinsName string) logr.Logger {

pkg/controller/jenkins/notifications/mailgun.go

@@ -20,21 +20,17 @@ const content = `
 <html>
 <head></head>
 <body>
-		<h1 style="background-color: %s; color: white; padding: 3px 10px;">Jenkins Operator Reconciled</h1>
+		<h1 style="background-color: %s; color: white; padding: 3px 10px;">%s</h1>
-		<h3>Failed to do something</h3>
+		<h3>%s</h3>
 		<table>
 			<tr>
 				<td><b>CR name:</b></td>
 				<td>%s</td>
 			</tr>
 			<tr>
-				<td><b>Configuration type:</b></td>
+				<td><b>Phase:</b></td>
 				<td>%s</td>
 			</tr>
-			<tr>
-				<td><b>Status:</b></td>
-				<td><b style="color: %s;">%s</b></td>
-			</tr>
 		</table>
 		<h6 style="font-size: 11px; color: grey; margin-top: 15px;">Powered by Jenkins Operator <3</h6>
 </body>
@@ -74,9 +70,22 @@ func (m MailGun) Send(event Event, config v1alpha2.Notification) error {
 
 	mg := mailgun.NewMailgun(config.Mailgun.Domain, secretValue)
 
-	htmlMessage := fmt.Sprintf(content, m.getStatusColor(event.LogLevel), event.Jenkins.Name, event.ConfigurationType, m.getStatusColor(event.LogLevel), string(event.LogLevel))
+	var statusMessage string
 
-	msg := mg.NewMessage(fmt.Sprintf("Jenkins Operator Notifier <%s>", config.Mailgun.From), "Jenkins Operator Status", "", config.Mailgun.Recipient)
+	if config.Verbose {
+		message := event.Message + "<ul>"
+		for _, msg := range event.MessagesVerbose {
+			message = message + "<li>" + msg + "</li>"
+		}
+		message = message + "</ul>"
+		statusMessage = message
+	} else {
+		statusMessage = event.Message
+	}
+
+	htmlMessage := fmt.Sprintf(content, m.getStatusColor(event.LogLevel), notificationTitle(event), statusMessage, event.Jenkins.Name, event.Phase)
+
+	msg := mg.NewMessage(fmt.Sprintf("Jenkins Operator Notifier <%s>", config.Mailgun.From), notificationTitle(event), "", config.Mailgun.Recipient)
 	msg.SetHtml(htmlMessage)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
 	defer cancel()

pkg/controller/jenkins/notifications/msteams.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"context"
 	"encoding/json"
+	"fmt"
 	"net/http"
 
 	"github.com/jenkinsci/kubernetes-operator/pkg/apis/jenkins/v1alpha2"
@@ -26,6 +27,7 @@ type TeamsMessage struct {
 	ThemeColor StatusColor    `json:"themeColor"`
 	Title      string         `json:"title"`
 	Sections   []TeamsSection `json:"sections"`
+	Summary    string         `json:"summary"`
 }
 
 // TeamsSection is MS Teams message section
@@ -67,11 +69,10 @@ func (t Teams) Send(event Event, config v1alpha2.Notification) error {
 		return errors.Errorf("Microsoft Teams webhook URL is empty in secret '%s/%s[%s]", event.Jenkins.Namespace, selector.Name, selector.Key)
 	}
 
-	msg, err := json.Marshal(TeamsMessage{
+	tm := &TeamsMessage{
 		Type:       "MessageCard",
 		Context:    "https://schema.org/extensions",
 		ThemeColor: t.getStatusColor(event.LogLevel),
-		Title:      titleText,
 		Sections: []TeamsSection{
 			{
 				Facts: []TeamsFact{
@@ -79,14 +80,6 @@ func (t Teams) Send(event Event, config v1alpha2.Notification) error {
 						Name:  crNameFieldName,
 						Value: event.Jenkins.Name,
 					},
-					{
-						Name:  configurationTypeFieldName,
-						Value: event.ConfigurationType,
-					},
-					{
-						Name:  loggingLevelFieldName,
-						Value: string(event.LogLevel),
-					},
 					{
 						Name:  namespaceFieldName,
 						Value: event.Jenkins.Namespace,
@@ -95,7 +88,28 @@ func (t Teams) Send(event Event, config v1alpha2.Notification) error {
 				Text: event.Message,
 			},
 		},
-	})
+		Summary: event.Message,
+	}
+
+	tm.Title = notificationTitle(event)
+
+	if config.Verbose {
+		message := event.Message
+		for _, msg := range event.MessagesVerbose {
+			message = message + "\n\n - " + msg
+		}
+		tm.Sections[0].Text += message
+		tm.Summary = message
+	}
+
+	if event.Phase != PhaseUnknown {
+		tm.Sections[0].Facts = append(tm.Sections[0].Facts, TeamsFact{
+			Name:  phaseFieldName,
+			Value: string(event.Phase),
+		})
+	}
+
+	msg, err := json.Marshal(tm)
 	if err != nil {
 		return errors.WithStack(err)
 	}
@@ -110,6 +124,9 @@ func (t Teams) Send(event Event, config v1alpha2.Notification) error {
 		return errors.WithStack(err)
 	}
 
+	if resp.StatusCode != http.StatusOK {
+		return errors.New(fmt.Sprintf("Invalid response from server: %s", resp.Status))
+	}
 	defer func() { _ = resp.Body.Close() }()
 
 	return nil

pkg/controller/jenkins/notifications/msteams_test.go

@@ -27,10 +27,10 @@ func TestTeams_Send(t *testing.T) {
 				Namespace: testNamespace,
 			},
 		},
-		ConfigurationType: testConfigurationType,
+		Phase:           testPhase,
-		Message:           testMessage,
+		Message:         testMessage,
-		MessageVerbose:    testMessageVerbose,
+		MessagesVerbose: testMessageVerbose,
-		LogLevel:          testLoggingLevel,
+		LogLevel:        testLoggingLevel,
 	}
 	teams := Teams{k8sClient: fakeClient}
 
@@ -42,7 +42,7 @@ func TestTeams_Send(t *testing.T) {
 			t.Fatal(err)
 		}
 
-		assert.Equal(t, message.Title, titleText)
+		assert.Equal(t, message.Title, notificationTitle(event))
 		assert.Equal(t, message.ThemeColor, teams.getStatusColor(event.LogLevel))
 
 		mainSection := message.Sections[0]
@@ -51,8 +51,8 @@ func TestTeams_Send(t *testing.T) {
 
 		for _, fact := range mainSection.Facts {
 			switch fact.Name {
-			case configurationTypeFieldName:
+			case phaseFieldName:
-				assert.Equal(t, fact.Value, event.ConfigurationType)
+				assert.Equal(t, fact.Value, string(event.Phase))
 			case crNameFieldName:
 				assert.Equal(t, fact.Value, event.Jenkins.Name)
 			case messageFieldName:

pkg/controller/jenkins/notifications/sender.go

@@ -1,32 +1,52 @@
 package notifications
 
 import (
+	"fmt"
 	"net/http"
 
 	"github.com/jenkinsci/kubernetes-operator/pkg/apis/jenkins/v1alpha2"
+	"github.com/jenkinsci/kubernetes-operator/pkg/event"
+	"github.com/jenkinsci/kubernetes-operator/pkg/log"
+	"github.com/pkg/errors"
+	k8sclient "sigs.k8s.io/controller-runtime/pkg/client"
 )
 
 const (
-	titleText                  = "Operator reconciled."
+	infoTitleText         = "Jenkins Operator reconciliation info"
-	messageFieldName           = "Message"
+	warnTitleText         = "Jenkins Operator reconciliation warning"
-	loggingLevelFieldName      = "Logging Level"
+	messageFieldName      = "Message"
-	crNameFieldName            = "CR Name"
+	loggingLevelFieldName = "Logging Level"
-	configurationTypeFieldName = "Configuration Type"
+	crNameFieldName       = "CR Name"
-	namespaceFieldName         = "Namespace"
+	phaseFieldName        = "Phase"
-	footerContent              = "Powered by Jenkins Operator"
+	namespaceFieldName    = "Namespace"
+	footerContent         = "Powered by Jenkins Operator"
+)
+
+const (
+	// PhaseBase is core configuration of Jenkins provided by the Operator
+	PhaseBase Phase = "base"
+
+	// PhaseUser is user-defined configuration of Jenkins
+	PhaseUser Phase = "user"
+
+	// PhaseUnknown is untraceable type of configuration
+	PhaseUnknown Phase = "unknown"
 )
 
 var (
-	testConfigurationType = "test-configuration"
+	testPhase          = PhaseUser
-	testCrName            = "test-cr"
+	testCrName         = "test-cr"
-	testNamespace         = "default"
+	testNamespace      = "default"
-	testMessage           = "test-message"
+	testMessage        = "test-message"
-	testMessageVerbose    = "detail-test-message"
+	testMessageVerbose = []string{"detail-test-message"}
-	testLoggingLevel      = v1alpha2.NotificationLogLevelWarning
+	testLoggingLevel   = v1alpha2.NotificationLogLevelWarning
 
 	client = http.Client{}
 )
 
+// Phase defines the type of configuration
+type Phase string
+
 // StatusColor is useful for better UX
 type StatusColor string
 
@@ -35,19 +55,19 @@ type LoggingLevel string
 
 // Event contains event details which will be sent as a notification
 type Event struct {
-	Jenkins           v1alpha2.Jenkins
+	Jenkins         v1alpha2.Jenkins
-	ConfigurationType string
+	Phase           Phase
-	LogLevel          v1alpha2.NotificationLogLevel
+	LogLevel        v1alpha2.NotificationLogLevel
-	Message           string
+	Message         string
-	MessageVerbose    string
+	MessagesVerbose []string
 }
 
-/*type service interface {
+type service interface {
 	Send(event Event, notificationConfig v1alpha2.Notification) error
 }
 
 // Listen listens for incoming events and send it as notifications
-func Listen(events chan Event, k8sClient k8sclient.Client) {
+func Listen(events chan Event, k8sEvent event.Recorder, k8sClient k8sclient.Client) {
 	for event := range events {
 		logger := log.Log.WithValues("cr", event.Jenkins.Name)
 		for _, notificationConfig := range event.Jenkins.Spec.Notifications {
@@ -61,7 +81,7 @@ func Listen(events chan Event, k8sClient k8sclient.Client) {
 			} else if notificationConfig.Mailgun != nil {
 				svc = MailGun{k8sClient: k8sClient}
 			} else {
-				logger.V(log.VWarn).Info(fmt.Sprintf("Unexpected notification `%+v`", notificationConfig))
+				logger.V(log.VWarn).Info(fmt.Sprintf("Unknown notification service `%+v`", notificationConfig))
 				continue
 			}
 
@@ -77,7 +97,18 @@ func Listen(events chan Event, k8sClient k8sclient.Client) {
 				}
 			}(notificationConfig)
 		}
+		k8sEvent.Emit(&event.Jenkins, logLevelEventType(event.LogLevel), "NotificationSent", event.Message)
+	}
+}
 
+func logLevelEventType(level v1alpha2.NotificationLogLevel) event.Type {
+	switch level {
+	case v1alpha2.NotificationLogLevelWarning:
+		return event.TypeWarning
+	case v1alpha2.NotificationLogLevelInfo:
+		return event.TypeNormal
+	default:
+		return event.TypeNormal
 	}
 }
 
@@ -85,6 +116,15 @@ func notify(svc service, event Event, manifest v1alpha2.Notification) error {
 	if event.LogLevel == v1alpha2.NotificationLogLevelInfo && manifest.LoggingLevel == v1alpha2.NotificationLogLevelWarning {
 		return nil
 	}
-
 	return svc.Send(event, manifest)
-}*/
+}
+
+func notificationTitle(event Event) string {
+	if event.LogLevel == v1alpha2.NotificationLogLevelInfo {
+		return infoTitleText
+	} else if event.LogLevel == v1alpha2.NotificationLogLevelWarning {
+		return warnTitleText
+	} else {
+		return ""
+	}
+}

pkg/controller/jenkins/notifications/slack.go

@@ -64,12 +64,11 @@ func (s Slack) Send(event Event, config v1alpha2.Notification) error {
 		return err
 	}
 
-	slackMessage, err := json.Marshal(SlackMessage{
+	sm := &SlackMessage{
 		Attachments: []SlackAttachment{
 			{
 				Fallback: "",
 				Color:    s.getStatusColor(event.LogLevel),
-				Text:     titleText,
 				Fields: []SlackField{
 					{
 						Title: messageFieldName,
@@ -81,16 +80,6 @@ func (s Slack) Send(event Event, config v1alpha2.Notification) error {
 						Value: event.Jenkins.Name,
 						Short: true,
 					},
-					{
-						Title: configurationTypeFieldName,
-						Value: event.ConfigurationType,
-						Short: true,
-					},
-					{
-						Title: loggingLevelFieldName,
-						Value: string(event.LogLevel),
-						Short: true,
-					},
 					{
 						Title: namespaceFieldName,
 						Value: event.Jenkins.Namespace,
@@ -100,15 +89,37 @@ func (s Slack) Send(event Event, config v1alpha2.Notification) error {
 				Footer: footerContent,
 			},
 		},
-	})
+	}
+
+	mainAttachment := &sm.Attachments[0]
+
+	mainAttachment.Title = notificationTitle(event)
+
+	if config.Verbose {
+		// TODO: or for title == message
+		message := event.Message
+		for _, msg := range event.MessagesVerbose {
+			message = message + "\n - " + msg
+		}
+		mainAttachment.Fields[0].Value = message
+	}
+
+	if event.Phase != PhaseUnknown {
+		mainAttachment.Fields = append(mainAttachment.Fields, SlackField{
+			Title: phaseFieldName,
+			Value: string(event.Phase),
+			Short: true,
+		})
+	}
+
+	slackMessage, err := json.Marshal(sm)
+	if err != nil {
+		return err
+	}
 
 	secretValue := string(secret.Data[selector.Key])
 	if secretValue == "" {
-		return errors.Errorf("SecretValue %s is empty", selector.Name)
+		return errors.Errorf("Secret with given name `%s` and selector name `%s` is empty", secret.Name, selector.Name)
-	}
-
-	if err != nil {
-		return err
 	}
 
 	request, err := http.NewRequest("POST", secretValue, bytes.NewBuffer(slackMessage))

pkg/controller/jenkins/notifications/slack_test.go

@@ -27,10 +27,10 @@ func TestSlack_Send(t *testing.T) {
 				Namespace: testNamespace,
 			},
 		},
-		ConfigurationType: testConfigurationType,
+		Phase:           testPhase,
-		Message:           testMessage,
+		Message:         testMessage,
-		MessageVerbose:    testMessageVerbose,
+		MessagesVerbose: testMessageVerbose,
-		LogLevel:          testLoggingLevel,
+		LogLevel:        testLoggingLevel,
 	}
 	slack := Slack{k8sClient: fakeClient}
 
@@ -45,11 +45,11 @@ func TestSlack_Send(t *testing.T) {
 
 		mainAttachment := message.Attachments[0]
 
-		assert.Equal(t, mainAttachment.Text, titleText)
+		assert.Equal(t, mainAttachment.Title, notificationTitle(event))
 		for _, field := range mainAttachment.Fields {
 			switch field.Title {
-			case configurationTypeFieldName:
+			case phaseFieldName:
-				assert.Equal(t, field.Value, event.ConfigurationType)
+				assert.Equal(t, field.Value, string(event.Phase))
 			case crNameFieldName:
 				assert.Equal(t, field.Value, event.Jenkins.Name)
 			case messageFieldName:

pkg/controller/jenkins/plugins/plugin.go

@@ -5,8 +5,6 @@ import (
 	"regexp"
 	"strings"
 
-	"github.com/jenkinsci/kubernetes-operator/pkg/log"
-
 	"github.com/pkg/errors"
 )
 
@@ -77,10 +75,10 @@ func Must(plugin *Plugin, err error) Plugin {
 }
 
 // VerifyDependencies checks if all plugins have compatible versions
-func VerifyDependencies(values ...map[Plugin][]Plugin) bool {
+func VerifyDependencies(values ...map[Plugin][]Plugin) []string {
+	var messages []string
 	// key - plugin name, value array of versions
 	allPlugins := make(map[string][]Plugin)
-	valid := true
 
 	for _, value := range values {
 		for rootPlugin, plugins := range value {
@@ -105,18 +103,17 @@ func VerifyDependencies(values ...map[Plugin][]Plugin) bool {
 		for _, firstVersion := range versions {
 			for _, secondVersion := range versions {
 				if firstVersion.Version != secondVersion.Version {
-					log.Log.V(log.VWarn).Info(fmt.Sprintf("Plugin '%s' requires version '%s' but plugin '%s' requires '%s' for plugin '%s'",
+					messages = append(messages, fmt.Sprintf("Plugin '%s' requires version '%s' but plugin '%s' requires '%s' for plugin '%s'",
 						firstVersion.rootPluginNameAndVersion,
 						firstVersion.Version,
 						secondVersion.rootPluginNameAndVersion,
 						secondVersion.Version,
 						pluginName,
 					))
-					valid = false
 				}
 			}
 		}
 	}
 
-	return valid
+	return messages
 }

pkg/controller/jenkins/plugins/plugin_test.go

@@ -18,7 +18,7 @@ func TestVerifyDependencies(t *testing.T) {
 			},
 		}
 		got := VerifyDependencies(basePlugins)
-		assert.Equal(t, true, got)
+		assert.Nil(t, got)
 	})
 	t.Run("happy, two root plugins with one depended plugin with the same version", func(t *testing.T) {
 		basePlugins := map[Plugin][]Plugin{
@@ -30,7 +30,7 @@ func TestVerifyDependencies(t *testing.T) {
 			},
 		}
 		got := VerifyDependencies(basePlugins)
-		assert.Equal(t, true, got)
+		assert.Nil(t, got)
 	})
 	t.Run("happy, two plugin names with names with underscores", func(t *testing.T) {
 		basePlugins := map[Plugin][]Plugin{
@@ -42,7 +42,7 @@ func TestVerifyDependencies(t *testing.T) {
 			},
 		}
 		got := VerifyDependencies(basePlugins)
-		assert.Equal(t, true, got)
+		assert.Nil(t, got)
 	})
 	t.Run("happy, two plugin names with uppercase names", func(t *testing.T) {
 		basePlugins := map[Plugin][]Plugin{
@@ -54,7 +54,7 @@ func TestVerifyDependencies(t *testing.T) {
 			},
 		}
 		got := VerifyDependencies(basePlugins)
-		assert.Equal(t, true, got)
+		assert.Nil(t, got)
 	})
 	t.Run("fail, two root plugins have different versions", func(t *testing.T) {
 		basePlugins := map[Plugin][]Plugin{
@@ -66,7 +66,7 @@ func TestVerifyDependencies(t *testing.T) {
 			},
 		}
 		got := VerifyDependencies(basePlugins)
-		assert.Equal(t, false, got)
+		assert.NotNil(t, got)
 	})
 	t.Run("happy, no version collision with two sperate plugins lists", func(t *testing.T) {
 		basePlugins := map[Plugin][]Plugin{
@@ -80,7 +80,7 @@ func TestVerifyDependencies(t *testing.T) {
 			},
 		}
 		got := VerifyDependencies(basePlugins, extraPlugins)
-		assert.Equal(t, true, got)
+		assert.Nil(t, got)
 	})
 	t.Run("fail, dependent plugins have different versions", func(t *testing.T) {
 		basePlugins := map[Plugin][]Plugin{
@@ -92,7 +92,7 @@ func TestVerifyDependencies(t *testing.T) {
 			},
 		}
 		got := VerifyDependencies(basePlugins)
-		assert.Equal(t, false, got)
+		assert.NotNil(t, got)
 	})
 	t.Run("fail, root and dependent plugins have different versions", func(t *testing.T) {
 		basePlugins := map[Plugin][]Plugin{
@@ -106,6 +106,6 @@ func TestVerifyDependencies(t *testing.T) {
 			},
 		}
 		got := VerifyDependencies(basePlugins, extraPlugins)
-		assert.Equal(t, false, got)
+		assert.NotNil(t, got)
 	})
 }