Add alert commands

cmd/gotk/create_alert.go

@@ -0,0 +1,196 @@
+/*
+Copyright 2020 The Flux CD contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"context"
+	"fmt"
+	"github.com/fluxcd/pkg/apis/meta"
+
+	"github.com/spf13/cobra"
+	corev1 "k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/api/errors"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/types"
+	"k8s.io/apimachinery/pkg/util/wait"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+
+	notificationv1 "github.com/fluxcd/notification-controller/api/v1beta1"
+)
+
+var createAlertCmd = &cobra.Command{
+	Use:     "alert [name]",
+	Aliases: []string{},
+	Short:   "Create or update a Alert resource",
+	Long:    "The create alert command generates a Alert resource.",
+	Example: `  # Create an Alert for kustomization events
+  gotk create alert \
+  --event-severity info \
+  --event-source kustomization/gotk-system \
+  --provider-ref slack \
+  gotk-system
+`,
+	RunE: createAlertCmdRun,
+}
+
+var (
+	aProviderRef   string
+	aEventSeverity string
+	aEventSources  []string
+)
+
+func init() {
+	createAlertCmd.Flags().StringVar(&aProviderRef, "provider-ref", "", "reference to provider")
+	createAlertCmd.Flags().StringVar(&aEventSeverity, "event-severity", "", "severity of events to send alerts for")
+	createAlertCmd.Flags().StringArrayVar(&aEventSources, "event-source", []string{}, "sources that should generate alerts (<kind>/<name>)")
+	createCmd.AddCommand(createAlertCmd)
+}
+
+func createAlertCmdRun(cmd *cobra.Command, args []string) error {
+	if len(args) < 1 {
+		return fmt.Errorf("alert name is required")
+	}
+	name := args[0]
+
+	if aProviderRef == "" {
+		return fmt.Errorf("provider ref is required")
+	}
+
+	eventSources := []notificationv1.CrossNamespaceObjectReference{}
+	for _, eventSource := range aEventSources {
+		kind, name := utils.parseObjectKindName(eventSource)
+		if kind == "" {
+			return fmt.Errorf("invalid event source '%s', must be in format <kind>/<name>", eventSource)
+		}
+
+		eventSources = append(eventSources, notificationv1.CrossNamespaceObjectReference{
+			Kind: kind,
+			Name: name,
+		})
+	}
+
+	if len(eventSources) == 0 {
+		return fmt.Errorf("atleast one event source is required")
+	}
+
+	sourceLabels, err := parseLabels()
+	if err != nil {
+		return err
+	}
+
+	if !export {
+		logger.Generatef("generating alert")
+	}
+
+	alert := notificationv1.Alert{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      name,
+			Namespace: namespace,
+			Labels:    sourceLabels,
+		},
+		Spec: notificationv1.AlertSpec{
+			ProviderRef: corev1.LocalObjectReference{
+				Name: aProviderRef,
+			},
+			EventSeverity: aEventSeverity,
+			EventSources:  eventSources,
+			Suspend:       false,
+		},
+	}
+
+	if export {
+		return exportAlert(alert)
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), timeout)
+	defer cancel()
+
+	kubeClient, err := utils.kubeClient(kubeconfig)
+	if err != nil {
+		return err
+	}
+
+	logger.Actionf("applying alert")
+	if err := upsertAlert(ctx, kubeClient, alert); err != nil {
+		return err
+	}
+
+	logger.Waitingf("waiting for reconciliation")
+	if err := wait.PollImmediate(pollInterval, timeout,
+		isAlertReady(ctx, kubeClient, name, namespace)); err != nil {
+		return err
+	}
+
+	logger.Successf("alert %s is ready", name)
+
+	return nil
+}
+
+func upsertAlert(ctx context.Context, kubeClient client.Client, alert notificationv1.Alert) error {
+	namespacedName := types.NamespacedName{
+		Namespace: alert.GetNamespace(),
+		Name:      alert.GetName(),
+	}
+
+	var existing notificationv1.Alert
+	err := kubeClient.Get(ctx, namespacedName, &existing)
+	if err != nil {
+		if errors.IsNotFound(err) {
+			if err := kubeClient.Create(ctx, &alert); err != nil {
+				return err
+			} else {
+				logger.Successf("alert created")
+				return nil
+			}
+		}
+		return err
+	}
+
+	existing.Labels = alert.Labels
+	existing.Spec = alert.Spec
+	if err := kubeClient.Update(ctx, &existing); err != nil {
+		return err
+	}
+
+	logger.Successf("alert updated")
+	return nil
+}
+
+func isAlertReady(ctx context.Context, kubeClient client.Client, name, namespace string) wait.ConditionFunc {
+	return func() (bool, error) {
+		var alert notificationv1.Alert
+		namespacedName := types.NamespacedName{
+			Namespace: namespace,
+			Name:      name,
+		}
+
+		err := kubeClient.Get(ctx, namespacedName, &alert)
+		if err != nil {
+			return false, err
+		}
+
+		if c := meta.GetCondition(alert.Status.Conditions, meta.ReadyCondition); c != nil {
+			switch c.Status {
+			case corev1.ConditionTrue:
+				return true, nil
+			case corev1.ConditionFalse:
+				return false, fmt.Errorf(c.Message)
+			}
+		}
+		return false, nil
+	}
+}

cmd/gotk/delete_alert.go

@@ -0,0 +1,88 @@
+/*
+Copyright 2020 The Flux CD contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/manifoldco/promptui"
+	"github.com/spf13/cobra"
+	"k8s.io/apimachinery/pkg/types"
+
+	notificationv1 "github.com/fluxcd/notification-controller/api/v1beta1"
+)
+
+var deleteAlertCmd = &cobra.Command{
+	Use:     "alert [name]",
+	Aliases: []string{},
+	Short:   "Delete a Alert resource",
+	Long:    "The delete alert command removes the given Alert from the cluster.",
+	Example: `  # Delete an Alert and the Kubernetes resources created by it
+  gotk delete alert main
+`,
+	RunE: deleteAlertCmdRun,
+}
+
+func init() {
+	deleteCmd.AddCommand(deleteAlertCmd)
+}
+
+func deleteAlertCmdRun(cmd *cobra.Command, args []string) error {
+	if len(args) < 1 {
+		return fmt.Errorf("alert name is required")
+	}
+	name := args[0]
+
+	ctx, cancel := context.WithTimeout(context.Background(), timeout)
+	defer cancel()
+
+	kubeClient, err := utils.kubeClient(kubeconfig)
+	if err != nil {
+		return err
+	}
+
+	namespacedName := types.NamespacedName{
+		Namespace: namespace,
+		Name:      name,
+	}
+
+	var alert notificationv1.Alert
+	err = kubeClient.Get(ctx, namespacedName, &alert)
+	if err != nil {
+		return err
+	}
+
+	if !deleteSilent {
+		prompt := promptui.Prompt{
+			Label:     "Are you sure you want to delete this Alert",
+			IsConfirm: true,
+		}
+		if _, err := prompt.Run(); err != nil {
+			return fmt.Errorf("aborting")
+		}
+	}
+
+	logger.Actionf("deleting alert %s in %s namespace", name, namespace)
+	err = kubeClient.Delete(ctx, &alert)
+	if err != nil {
+		return err
+	}
+	logger.Successf("alert deleted")
+
+	return nil
+}

cmd/gotk/export_alert.go

@@ -0,0 +1,120 @@
+/*
+Copyright 2020 The Flux CD contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/spf13/cobra"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/types"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+	"sigs.k8s.io/yaml"
+
+	notificationv1 "github.com/fluxcd/notification-controller/api/v1beta1"
+)
+
+var exportAlertCmd = &cobra.Command{
+	Use:     "alert [name]",
+	Aliases: []string{},
+	Short:   "Export Alert resources in YAML format",
+	Long:    "The export alert command exports one or all Alert resources in YAML format.",
+	Example: `  # Export all Alert resources
+  gotk export alert --all > kustomizations.yaml
+
+  # Export a Alert
+  gotk export alert main > main.yaml
+`,
+	RunE: exportAlertCmdRun,
+}
+
+func init() {
+	exportCmd.AddCommand(exportAlertCmd)
+}
+
+func exportAlertCmdRun(cmd *cobra.Command, args []string) error {
+	if !exportAll && len(args) < 1 {
+		return fmt.Errorf("name is required")
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), timeout)
+	defer cancel()
+
+	kubeClient, err := utils.kubeClient(kubeconfig)
+	if err != nil {
+		return err
+	}
+
+	if exportAll {
+		var list notificationv1.AlertList
+		err = kubeClient.List(ctx, &list, client.InNamespace(namespace))
+		if err != nil {
+			return err
+		}
+
+		if len(list.Items) == 0 {
+			logger.Failuref("no alerts found in %s namespace", namespace)
+			return nil
+		}
+
+		for _, alert := range list.Items {
+			if err := exportAlert(alert); err != nil {
+				return err
+			}
+		}
+	} else {
+		name := args[0]
+		namespacedName := types.NamespacedName{
+			Namespace: namespace,
+			Name:      name,
+		}
+		var alert notificationv1.Alert
+		err = kubeClient.Get(ctx, namespacedName, &alert)
+		if err != nil {
+			return err
+		}
+		return exportAlert(alert)
+	}
+	return nil
+}
+
+func exportAlert(alert notificationv1.Alert) error {
+	gvk := notificationv1.GroupVersion.WithKind("Alert")
+	export := notificationv1.Alert{
+		TypeMeta: metav1.TypeMeta{
+			Kind:       gvk.Kind,
+			APIVersion: gvk.GroupVersion().String(),
+		},
+		ObjectMeta: metav1.ObjectMeta{
+			Name:        alert.Name,
+			Namespace:   alert.Namespace,
+			Labels:      alert.Labels,
+			Annotations: alert.Annotations,
+		},
+		Spec: alert.Spec,
+	}
+
+	data, err := yaml.Marshal(export)
+	if err != nil {
+		return err
+	}
+
+	fmt.Println("---")
+	fmt.Println(resourceToString(data))
+	return nil
+}

cmd/gotk/get_alert.go

@@ -0,0 +1,87 @@
+/*
+Copyright 2020 The Flux CD contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"context"
+
+	"github.com/spf13/cobra"
+	corev1 "k8s.io/api/core/v1"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+
+	notificationv1 "github.com/fluxcd/notification-controller/api/v1beta1"
+	"github.com/fluxcd/pkg/apis/meta"
+)
+
+var getAlertCmd = &cobra.Command{
+	Use:     "alert",
+	Aliases: []string{},
+	Short:   "Get Alert statuses",
+	Long:    "The get alert command prints the statuses of the resources.",
+	Example: `  # List all Alerts and their status
+  gotk get alert
+`,
+	RunE: getAlertCmdRun,
+}
+
+func init() {
+	getCmd.AddCommand(getAlertCmd)
+}
+
+func getAlertCmdRun(cmd *cobra.Command, args []string) error {
+	ctx, cancel := context.WithTimeout(context.Background(), timeout)
+	defer cancel()
+
+	kubeClient, err := utils.kubeClient(kubeconfig)
+	if err != nil {
+		return err
+	}
+
+	var list notificationv1.AlertList
+	err = kubeClient.List(ctx, &list, client.InNamespace(namespace))
+	if err != nil {
+		return err
+	}
+
+	if len(list.Items) == 0 {
+		logger.Failuref("no alerts found in %s namespace", namespace)
+		return nil
+	}
+
+	for _, alert := range list.Items {
+		if alert.Spec.Suspend {
+			logger.Successf("%s is suspended", alert.GetName())
+			continue
+		}
+		isInitialized := false
+		if c := meta.GetCondition(alert.Status.Conditions, meta.ReadyCondition); c != nil {
+			switch c.Status {
+			case corev1.ConditionTrue:
+				logger.Successf("%s is ready", alert.GetName())
+			case corev1.ConditionUnknown:
+				logger.Successf("%s reconciling", alert.GetName())
+			default:
+				logger.Failuref("%s %s", alert.GetName(), c.Message)
+			}
+			isInitialized = true
+		}
+		if !isInitialized {
+			logger.Failuref("%s is not ready", alert.GetName())
+		}
+	}
+	return nil
+}

cmd/gotk/reconcile_alert.go

@@ -0,0 +1,93 @@
+/*
+Copyright 2020 The Flux CD contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"context"
+	"fmt"
+	"github.com/fluxcd/pkg/apis/meta"
+	"time"
+
+	"github.com/spf13/cobra"
+	"k8s.io/apimachinery/pkg/types"
+	"k8s.io/apimachinery/pkg/util/wait"
+
+	notificationv1 "github.com/fluxcd/notification-controller/api/v1beta1"
+)
+
+var reconcileAlertCmd = &cobra.Command{
+	Use:   "alert [name]",
+	Short: "Reconcile an Alert",
+	Long:  `The reconcile alert command triggers a reconciliation of an Alert resource and waits for it to finish.`,
+	Example: `  # Trigger a reconciliation for an existing alert
+  gotk reconcile alert main
+`,
+	RunE: reconcileAlertCmdRun,
+}
+
+func init() {
+	reconcileCmd.AddCommand(reconcileAlertCmd)
+}
+
+func reconcileAlertCmdRun(cmd *cobra.Command, args []string) error {
+	if len(args) < 1 {
+		return fmt.Errorf("alert name is required")
+	}
+	name := args[0]
+
+	ctx, cancel := context.WithTimeout(context.Background(), timeout)
+	defer cancel()
+
+	kubeClient, err := utils.kubeClient(kubeconfig)
+	if err != nil {
+		return err
+	}
+
+	namespacedName := types.NamespacedName{
+		Namespace: namespace,
+		Name:      name,
+	}
+
+	logger.Actionf("annotating alert %s in %s namespace", name, namespace)
+	var alert notificationv1.Alert
+	err = kubeClient.Get(ctx, namespacedName, &alert)
+	if err != nil {
+		return err
+	}
+
+	if alert.Annotations == nil {
+		alert.Annotations = map[string]string{
+			meta.ReconcileAtAnnotation: time.Now().Format(time.RFC3339Nano),
+		}
+	} else {
+		alert.Annotations[meta.ReconcileAtAnnotation] = time.Now().Format(time.RFC3339Nano)
+	}
+	if err := kubeClient.Update(ctx, &alert); err != nil {
+		return err
+	}
+	logger.Successf("alert annotated")
+
+	logger.Waitingf("waiting for reconciliation")
+	if err := wait.PollImmediate(pollInterval, timeout,
+		isAlertReady(ctx, kubeClient, name, namespace)); err != nil {
+		return err
+	}
+
+	logger.Successf("alert reconciliation completed")
+
+	return nil
+}

cmd/gotk/reconcile_alertprovider.go

@@ -31,9 +31,9 @@ import (
 
 var reconcileAlertProviderCmd = &cobra.Command{
 	Use:   "alert-provider [name]",
-	Short: "Reconcile a Provider source",
-	Long:  `The reconcile source command triggers a reconciliation of a Provider resource and waits for it to finish.`,
-	Example: `  # Trigger a reconciliation for an existing source
+	Short: "Reconcile a Provider",
+	Long:  `The reconcile alert-provider command triggers a reconciliation of a Provider resource and waits for it to finish.`,
+	Example: `  # Trigger a reconciliation for an existing provider
   gotk reconcile alert-provider slack
 `,
 	RunE: reconcileAlertProviderCmdRun,
@@ -45,7 +45,7 @@ func init() {
 
 func reconcileAlertProviderCmdRun(cmd *cobra.Command, args []string) error {
 	if len(args) < 1 {
-		return fmt.Errorf("source name is required")
+		return fmt.Errorf("provider name is required")
 	}
 	name := args[0]
 
@@ -62,7 +62,7 @@ func reconcileAlertProviderCmdRun(cmd *cobra.Command, args []string) error {
 		Name:      name,
 	}
 
-	logger.Actionf("annotating source %s in %s namespace", name, namespace)
+	logger.Actionf("annotating provider %s in %s namespace", name, namespace)
 	var alertProvider notificationv1.Provider
 	err = kubeClient.Get(ctx, namespacedName, &alertProvider)
 	if err != nil {
@@ -79,7 +79,7 @@ func reconcileAlertProviderCmdRun(cmd *cobra.Command, args []string) error {
 	if err := kubeClient.Update(ctx, &alertProvider); err != nil {
 		return err
 	}
-	logger.Successf("source annotated")
+	logger.Successf("provider annotated")
 
 	logger.Waitingf("waiting for reconciliation")
 	if err := wait.PollImmediate(pollInterval, timeout,

cmd/gotk/resume_alert.go

@@ -0,0 +1,117 @@
+/*
+Copyright 2020 The Flux CD contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"context"
+	"fmt"
+	"github.com/fluxcd/pkg/apis/meta"
+
+	"github.com/spf13/cobra"
+	corev1 "k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/types"
+	"k8s.io/apimachinery/pkg/util/wait"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+
+	notificationv1 "github.com/fluxcd/notification-controller/api/v1beta1"
+)
+
+var resumeAlertCmd = &cobra.Command{
+	Use:     "alert [name]",
+	Aliases: []string{},
+	Short:   "Resume a suspended Alert",
+	Long: `The resume command marks a previously suspended Alert resource for reconciliation and waits for it to
+finish the apply.`,
+	Example: `  # Resume reconciliation for an existing Alert
+  gotk resume alert main
+`,
+	RunE: resumeAlertCmdRun,
+}
+
+func init() {
+	resumeCmd.AddCommand(resumeAlertCmd)
+}
+
+func resumeAlertCmdRun(cmd *cobra.Command, args []string) error {
+	if len(args) < 1 {
+		return fmt.Errorf("Alert name is required")
+	}
+	name := args[0]
+
+	ctx, cancel := context.WithTimeout(context.Background(), timeout)
+	defer cancel()
+
+	kubeClient, err := utils.kubeClient(kubeconfig)
+	if err != nil {
+		return err
+	}
+
+	namespacedName := types.NamespacedName{
+		Namespace: namespace,
+		Name:      name,
+	}
+	var alert notificationv1.Alert
+	err = kubeClient.Get(ctx, namespacedName, &alert)
+	if err != nil {
+		return err
+	}
+
+	logger.Actionf("resuming Alert %s in %s namespace", name, namespace)
+	alert.Spec.Suspend = false
+	if err := kubeClient.Update(ctx, &alert); err != nil {
+		return err
+	}
+	logger.Successf("Alert resumed")
+
+	logger.Waitingf("waiting for Alert reconciliation")
+	if err := wait.PollImmediate(pollInterval, timeout,
+		isAlertResumed(ctx, kubeClient, name, namespace)); err != nil {
+		return err
+	}
+
+	logger.Successf("Alert reconciliation completed")
+
+	return nil
+}
+
+func isAlertResumed(ctx context.Context, kubeClient client.Client, name, namespace string) wait.ConditionFunc {
+	return func() (bool, error) {
+		var alert notificationv1.Alert
+		namespacedName := types.NamespacedName{
+			Namespace: namespace,
+			Name:      name,
+		}
+
+		err := kubeClient.Get(ctx, namespacedName, &alert)
+		if err != nil {
+			return false, err
+		}
+
+		if c := meta.GetCondition(alert.Status.Conditions, meta.ReadyCondition); c != nil {
+			switch c.Status {
+			case corev1.ConditionTrue:
+				return true, nil
+			case corev1.ConditionFalse:
+				if c.Reason == meta.SuspendedReason {
+					return false, nil
+				}
+				return false, fmt.Errorf(c.Message)
+			}
+		}
+		return false, nil
+	}
+}

cmd/gotk/suspend_alert.go

@@ -0,0 +1,76 @@
+/*
+Copyright 2020 The Flux CD contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/spf13/cobra"
+	"k8s.io/apimachinery/pkg/types"
+
+	notificationv1 "github.com/fluxcd/notification-controller/api/v1beta1"
+)
+
+var suspendAlertCmd = &cobra.Command{
+	Use:     "alert [name]",
+	Aliases: []string{},
+	Short:   "Suspend reconciliation of Alert",
+	Long:    "The suspend command disables the reconciliation of a Alert resource.",
+	Example: `  # Suspend reconciliation for an existing Alert
+  gotk suspend alert main
+`,
+	RunE: suspendAlertCmdRun,
+}
+
+func init() {
+	suspendCmd.AddCommand(suspendAlertCmd)
+}
+
+func suspendAlertCmdRun(cmd *cobra.Command, args []string) error {
+	if len(args) < 1 {
+		return fmt.Errorf("Alert name is required")
+	}
+	name := args[0]
+
+	ctx, cancel := context.WithTimeout(context.Background(), timeout)
+	defer cancel()
+
+	kubeClient, err := utils.kubeClient(kubeconfig)
+	if err != nil {
+		return err
+	}
+
+	namespacedName := types.NamespacedName{
+		Namespace: namespace,
+		Name:      name,
+	}
+	var alert notificationv1.Alert
+	err = kubeClient.Get(ctx, namespacedName, &alert)
+	if err != nil {
+		return err
+	}
+
+	logger.Actionf("suspending Alert %s in %s namespace", name, namespace)
+	alert.Spec.Suspend = true
+	if err := kubeClient.Update(ctx, &alert); err != nil {
+		return err
+	}
+	logger.Successf("Alert suspended")
+
+	return nil
+}