Namespace restricted mode (#147)

Makefile

@@ -33,13 +33,8 @@ agent: ## Build agent.
 	@(cd agent; go build -o build/mizuagent main.go)
 	@ls -l agent/build
 
-#tap: ## build tap binary
-#	@(cd tap; go build -o build/tap ./src)
-#	@ls -l tap/build
-
-docker: ## Build Docker image.
-	@(echo "building docker image" )
-	./build-push-featurebranch.sh
+docker: ## Build and publish agent docker image.
+	$(MAKE) push-docker
 
 push: push-docker push-cli ## Build and publish agent docker image & CLI.
 

README.md

@@ -50,12 +50,14 @@ Pick one from the [Releases](https://github.com/up9inc/mizu/releases) page.
   - list
   - watch
   - create
+  - delete
 - apiGroups:
   - ""
   resources:
   - services
   verbs:
   - create
+  - delete
 - apiGroups:
   - apps
   resources:
@@ -63,11 +65,13 @@ Pick one from the [Releases](https://github.com/up9inc/mizu/releases) page.
   verbs:
   - create
   - patch
+  - delete
 - apiGroups:
   - ""
   resources:
   - namespaces
   verbs:
+  - get
   - list
   - watch
   - create
@@ -79,7 +83,8 @@ Pick one from the [Releases](https://github.com/up9inc/mizu/releases) page.
   verbs:
   - get
 ```
-3. Optionally, for resolving traffic ip to kubernetes service name, mizu needs below permissions
+
+3. Optionally, for resolving traffic IP to kubernetes service name, mizu needs below permissions
 
 ```yaml
 - apiGroups:
@@ -88,6 +93,10 @@ Pick one from the [Releases](https://github.com/up9inc/mizu/releases) page.
   - pods
   verbs:
   - get
+  - list
+  - watch
+  - create
+  - delete
 - apiGroups:
   - ""
   resources:
@@ -96,6 +105,72 @@ Pick one from the [Releases](https://github.com/up9inc/mizu/releases) page.
   - get
   - list
   - watch
+  - create
+  - delete
+- apiGroups:
+  - apps
+  resources:
+  - daemonsets
+  verbs:
+  - create
+  - patch
+  - delete
+- apiGroups:
+  - ""
+  resources:
+  - namespaces
+  verbs:
+  - get
+  - list
+  - watch
+  - create
+  - delete
+- apiGroups:
+  - ""
+  resources:
+  - services/proxy
+  verbs:
+  - get
+- apiGroups:
+  - ""
+  resources:
+  - serviceaccounts
+  verbs:
+  - get
+  - create
+  - delete
+- apiGroups:
+  - rbac.authorization.k8s.io
+  resources:
+  - clusterroles
+  verbs:
+  - get
+  - create
+  - delete
+- apiGroups:
+  - rbac.authorization.k8s.io
+  resources:
+  - clusterrolebindings
+  verbs:
+  - get
+  - create
+  - delete
+- apiGroups:
+  - rbac.authorization.k8s.io
+  resources:
+  - roles
+  verbs:
+  - get
+  - create
+  - delete
+- apiGroups:
+  - rbac.authorization.k8s.io
+  resources:
+  - rolebindings
+  verbs:
+  - get
+  - create
+  - delete
 - apiGroups:
   - apps
   - extensions
@@ -124,6 +199,97 @@ Pick one from the [Releases](https://github.com/up9inc/mizu/releases) page.
   - get
   - list
   - watch
+```
+
+4. Optionally, in order to use the policy rules validation feature, mizu requires the following additional permissions:
+
+```yaml
+- apiGroups:
+  - ""
+  resources:
+  - configmaps
+  verbs:
+  - get
+  - create
+  - delete
+```
+
+5. Alternatively, in order to restrict mizu to one namespace only (by setting `agent.namespace` in the config file), mizu needs the following permissions in that namespace:
+
+```yaml
+- apiGroups:
+  - ""
+  resources:
+  - pods
+  verbs:
+  - get
+  - list
+  - watch
+  - create
+  - delete
+- apiGroups:
+  - ""
+  resources:
+  - services
+  verbs:
+  - get
+  - create
+  - delete
+- apiGroups:
+  - apps
+  resources:
+  - daemonsets
+  verbs:
+  - get
+  - create
+  - patch
+  - delete
+- apiGroups:
+  - ""
+  resources:
+  - services/proxy
+  verbs:
+  - get
+```
+
+6. To restrict mizu to one namespace while also resolving IPs, mizu needs the following permissions in that namespace:
+
+```yaml
+- apiGroups:
+  - ""
+  resources:
+  - pods
+  verbs:
+  - get
+  - list
+  - watch
+  - create
+  - delete
+- apiGroups:
+  - ""
+  resources:
+  - services
+  verbs:
+  - get
+  - list
+  - watch
+  - create
+  - delete
+- apiGroups:
+  - apps
+  resources:
+  - daemonsets
+  verbs:
+  - get
+  - create
+  - patch
+  - delete
+- apiGroups:
+  - ""
+  resources:
+  - services/proxy
+  verbs:
+  - get
 - apiGroups:
   - ""
   resources:
@@ -131,22 +297,51 @@ Pick one from the [Releases](https://github.com/up9inc/mizu/releases) page.
   verbs:
   - get
   - create
+  - delete
 - apiGroups:
   - rbac.authorization.k8s.io
   resources:
-  - clusterroles
+  - roles
   verbs:
-  - list
+  - get
   - create
   - delete
 - apiGroups:
   - rbac.authorization.k8s.io
   resources:
-  - clusterrolebindings
+  - rolebindings
   verbs:
-  - list
+  - get
   - create
   - delete
+- apiGroups:
+  - apps
+  - extensions
+  resources:
+  - pods
+  verbs:
+  - get
+  - list
+  - watch
+- apiGroups:
+  - apps
+  - extensions
+  resources:
+  - services
+  verbs:
+  - get
+  - list
+  - watch
+- apiGroups:
+  - ""
+  - apps
+  - extensions
+  resources:
+  - endpoints
+  verbs:
+  - get
+  - list
+  - watch
 ```
 
 See `examples/roles` for example `clusterroles`. 

agent/main.go

@@ -21,21 +21,24 @@ import (
 	"strings"
 )
 
-var shouldTap = flag.Bool("tap", false, "Run in tapper mode without API")
-var apiServer = flag.Bool("api-server", false, "Run in API server mode with API")
-var standalone = flag.Bool("standalone", false, "Run in standalone tapper and API mode")
+var tapperMode = flag.Bool("tap", false, "Run in tapper mode without API")
+var apiServerMode = flag.Bool("api-server", false, "Run in API server mode with API")
+var standaloneMode = flag.Bool("standalone", false, "Run in standalone tapper and API mode")
 var apiServerAddress = flag.String("api-server-address", "", "Address of mizu API server")
+var namespace = flag.String("namespace", "", "Resolve IPs if they belong to resources in this namespace (default is all)")
 
 func main() {
 	flag.Parse()
 	hostMode := os.Getenv(shared.HostModeEnvVar) == "1"
 	tapOpts := &tap.TapOpts{HostMode: hostMode}
 
-	if !*shouldTap && !*apiServer && !*standalone {
+	if !*tapperMode && !*apiServerMode && !*standaloneMode {
 		panic("One of the flags --tap, --api or --standalone must be provided")
 	}
 
-	if *standalone {
+	if *standaloneMode {
+		api.StartResolving(*namespace)
+
 		harOutputChannel, outboundLinkOutputChannel := tap.StartPassiveTapper(tapOpts)
 		filteredHarChannel := make(chan *tap.OutputChannelItem)
 
@@ -44,7 +47,7 @@ func main() {
 		go api.StartReadingOutbound(outboundLinkOutputChannel)
 
 		hostApi(nil)
-	} else if *shouldTap {
+	} else if *tapperMode {
 		if *apiServerAddress == "" {
 			panic("API server address must be provided with --api-server-address when using --tap")
 		}
@@ -64,7 +67,9 @@ func main() {
 
 		go pipeTapChannelToSocket(socketConnection, harOutputChannel)
 		go pipeOutboundLinksChannelToSocket(socketConnection, outboundLinkOutputChannel)
-	} else if *apiServer {
+	} else if *apiServerMode {
+		api.StartResolving(*namespace)
+
 		socketHarOutChannel := make(chan *tap.OutputChannelItem, 1000)
 		filteredHarChannel := make(chan *tap.OutputChannelItem)
 

agent/pkg/api/main.go

@@ -26,7 +26,7 @@ import (
 
 var k8sResolver *resolver.Resolver
 
-func init() {
+func StartResolving(namespace string) {
 	errOut := make(chan error, 100)
 	res, err := resolver.NewFromInCluster(errOut)
 	if err != nil {
@@ -34,7 +34,7 @@ func init() {
 		return
 	}
 	ctx := context.Background()
-	res.Start(ctx)
+	res.Start(ctx, namespace)
 	go func() {
 		for {
 			select {

agent/pkg/resolver/resolver.go

@@ -18,17 +18,20 @@ const (
 )
 
 type Resolver struct {
-	clientConfig  *restclient.Config
-	clientSet *kubernetes.Clientset
-	nameMap map[string]string
-	serviceMap map[string]string
-	isStarted bool
-	errOut chan error
+	clientConfig *restclient.Config
+	clientSet    *kubernetes.Clientset
+	nameMap      map[string]string
+	serviceMap   map[string]string
+	isStarted    bool
+	errOut       chan error
+	namespace    string
 }
 
-func (resolver *Resolver) Start(ctx context.Context) {
+func (resolver *Resolver) Start(ctx context.Context, namespace string) {
 	if !resolver.isStarted {
 		resolver.isStarted = true
+		resolver.namespace = namespace
+
 		go resolver.infiniteErrorHandleRetryFunc(ctx, resolver.watchServices)
 		go resolver.infiniteErrorHandleRetryFunc(ctx, resolver.watchEndpoints)
 		go resolver.infiniteErrorHandleRetryFunc(ctx, resolver.watchPods)
@@ -54,7 +57,7 @@ func (resolver *Resolver) CheckIsServiceIP(address string) bool {
 
 func (resolver *Resolver) watchPods(ctx context.Context) error {
 	// empty namespace makes the client watch all namespaces
-	watcher, err := resolver.clientSet.CoreV1().Pods("").Watch(ctx, metav1.ListOptions{Watch: true})
+	watcher, err := resolver.clientSet.CoreV1().Pods(resolver.namespace).Watch(ctx, metav1.ListOptions{Watch: true})
 	if err != nil {
 		return err
 	}
@@ -77,7 +80,7 @@ func (resolver *Resolver) watchPods(ctx context.Context) error {
 
 func (resolver *Resolver) watchEndpoints(ctx context.Context) error {
 	// empty namespace makes the client watch all namespaces
-	watcher, err := resolver.clientSet.CoreV1().Endpoints("").Watch(ctx, metav1.ListOptions{Watch: true})
+	watcher, err := resolver.clientSet.CoreV1().Endpoints(resolver.namespace).Watch(ctx, metav1.ListOptions{Watch: true})
 	if err != nil {
 		return err
 	}
@@ -120,7 +123,7 @@ func (resolver *Resolver) watchEndpoints(ctx context.Context) error {
 
 func (resolver *Resolver) watchServices(ctx context.Context) error {
 	// empty namespace makes the client watch all namespaces
-	watcher, err := resolver.clientSet.CoreV1().Services("").Watch(ctx, metav1.ListOptions{Watch: true})
+	watcher, err := resolver.clientSet.CoreV1().Services(resolver.namespace).Watch(ctx, metav1.ListOptions{Watch: true})
 	if err != nil {
 		return err
 	}

cli/cmd/tap.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/creasty/defaults"
 	"github.com/spf13/cobra"
+	"github.com/up9inc/mizu/cli/errormessage"
 	"github.com/up9inc/mizu/cli/mizu"
 	"github.com/up9inc/mizu/cli/mizu/configStructs"
 	"github.com/up9inc/mizu/cli/uiUtils"
@@ -31,7 +32,7 @@ Supported protocols are HTTP and gRPC.`,
 		}
 
 		if err := mizu.Config.Tap.Validate(); err != nil {
-			return err
+			return errormessage.FormatError(err)
 		}
 
 		mizu.Log.Infof("Mizu will store up to %s of traffic, old traffic will be cleared once the limit is reached.", mizu.Config.Tap.HumanMaxEntriesDBSize)

cli/cmd/tapRunner.go

@@ -13,6 +13,7 @@ import (
 	"syscall"
 	"time"
 
+	"github.com/up9inc/mizu/cli/errormessage"
 	"github.com/up9inc/mizu/cli/kubernetes"
 	"github.com/up9inc/mizu/cli/mizu"
 	"github.com/up9inc/mizu/cli/uiUtils"
@@ -20,31 +21,35 @@ import (
 	"github.com/up9inc/mizu/shared/debounce"
 	yaml "gopkg.in/yaml.v3"
 	core "k8s.io/api/core/v1"
-	errors "k8s.io/apimachinery/pkg/api/errors"
 	"k8s.io/apimachinery/pkg/util/wait"
 	"k8s.io/client-go/tools/clientcmd"
 )
 
-var mizuServiceAccountExists bool
-var apiServerService *core.Service
-
 const (
-	updateTappersDelay = 5 * time.Second
 	cleanupTimeout     = time.Minute
+	updateTappersDelay = 5 * time.Second
 )
 
-var currentlyTappedPods []core.Pod
+type tapState struct {
+	apiServerService         *core.Service
+	currentlyTappedPods      []core.Pod
+	mizuServiceAccountExists bool
+	doNotRemoveConfigMap     bool
+}
+
+var state tapState
 
 func RunMizuTap() {
 	mizuApiFilteringOptions, err := getMizuApiFilteringOptions()
 	if err != nil {
+		mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error parsing regex-masking: %v", errormessage.FormatError(err)))
 		return
 	}
 	var mizuValidationRules string
 	if mizu.Config.Tap.EnforcePolicyFile != "" {
 		mizuValidationRules, err = readValidationRules(mizu.Config.Tap.EnforcePolicyFile)
 		if err != nil {
-			mizu.Log.Infof("error: %v", err)
+			mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error reading policy file: %v", errormessage.FormatError(err)))
 			return
 		}
 	}
@@ -52,11 +57,11 @@ func RunMizuTap() {
 	kubernetesProvider, err := kubernetes.NewProvider(mizu.Config.Tap.KubeConfigPath)
 	if err != nil {
 		if clientcmd.IsEmptyConfig(err) {
-			mizu.Log.Infof(uiUtils.Red, "Couldn't find the kube config file, or file is empty. Try adding '--kube-config=<path to kube config file>'\n")
+			mizu.Log.Errorf(uiUtils.Error, "Couldn't find the kube config file, or file is empty. Try adding '--kube-config=<path to kube config file>'\n")
 			return
 		}
 		if clientcmd.IsConfigurationInvalid(err) {
-			mizu.Log.Infof(uiUtils.Red, "Invalid kube config file. Try using a different config with '--kube-config=<path to kube config file>'\n")
+			mizu.Log.Errorf(uiUtils.Error, "Invalid kube config file. Try using a different config with '--kube-config=<path to kube config file>'\n")
 			return
 		}
 	}
@@ -76,28 +81,26 @@ func RunMizuTap() {
 	mizu.Log.Infof("Tapping pods in %s", namespacesStr)
 
 	if err, _ := updateCurrentlyTappedPods(kubernetesProvider, ctx, targetNamespace); err != nil {
-		mizu.Log.Infof("Error listing pods: %v", err)
+		mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error getting pods by regex: %v", errormessage.FormatError(err)))
 		return
 	}
 
-	if len(currentlyTappedPods) == 0 {
+	if len(state.currentlyTappedPods) == 0 {
 		var suggestionStr string
 		if targetNamespace != mizu.K8sAllNamespaces {
-			suggestionStr = "\nSelect a different namespace with -n or tap all namespaces with -A"
+			suggestionStr = ". Select a different namespace with -n or tap all namespaces with -A"
 		}
-		mizu.Log.Infof("Did not find any pods matching the regex argument%s", suggestionStr)
+		mizu.Log.Warningf(uiUtils.Warning, fmt.Sprintf("Did not find any pods matching the regex argument%s", suggestionStr))
 	}
 
 	if mizu.Config.Tap.DryRun {
 		return
 	}
 
-	nodeToTappedPodIPMap, err := getNodeHostToTappedPodIpsMap(currentlyTappedPods)
-	if err != nil {
-		return
-	}
+	nodeToTappedPodIPMap := getNodeHostToTappedPodIpsMap(state.currentlyTappedPods)
 
 	if err := createMizuResources(ctx, kubernetesProvider, nodeToTappedPodIPMap, mizuApiFilteringOptions, mizuValidationRules); err != nil {
+		mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error creating resources: %v", errormessage.FormatError(err)))
 		return
 	}
 
@@ -118,8 +121,10 @@ func readValidationRules(file string) (string, error) {
 }
 
 func createMizuResources(ctx context.Context, kubernetesProvider *kubernetes.Provider, nodeToTappedPodIPMap map[string][]string, mizuApiFilteringOptions *shared.TrafficFilteringOptions, mizuValidationRules string) error {
-	if err := createMizuNamespace(ctx, kubernetesProvider); err != nil {
-		return err
+	if mizu.Config.IsOwnNamespace() {
+		if err := createMizuNamespace(ctx, kubernetesProvider); err != nil {
+			return err
+		}
 	}
 
 	if err := createMizuApiServer(ctx, kubernetesProvider, mizuApiFilteringOptions); err != nil {
@@ -131,50 +136,57 @@ func createMizuResources(ctx context.Context, kubernetesProvider *kubernetes.Pro
 	}
 
 	if err := createMizuConfigmap(ctx, kubernetesProvider, mizuValidationRules); err != nil {
-		return err
+		mizu.Log.Warningf(uiUtils.Warning, fmt.Sprintf("Failed to create resources required for policy validation. Mizu will not validate policy rules. error: %v\n", errormessage.FormatError(err)))
+		state.doNotRemoveConfigMap = true
+	} else if mizuValidationRules == "" {
+		state.doNotRemoveConfigMap = true
 	}
 
 	return nil
 }
 
 func createMizuConfigmap(ctx context.Context, kubernetesProvider *kubernetes.Provider, data string) error {
-	err := kubernetesProvider.ApplyConfigMap(ctx, mizu.ResourcesNamespace, mizu.ConfigMapName, data)
-	if err != nil {
-		fmt.Printf("Error creating mizu configmap: %v\n", err)
-	}
-	return nil
+	err := kubernetesProvider.CreateConfigMap(ctx, mizu.Config.ResourcesNamespace(), mizu.ConfigMapName, data)
+	return err
 }
 
 func createMizuNamespace(ctx context.Context, kubernetesProvider *kubernetes.Provider) error {
-	_, err := kubernetesProvider.CreateNamespace(ctx, mizu.ResourcesNamespace)
-	if err != nil {
-		mizu.Log.Infof("Error creating Namespace %s: %v", mizu.ResourcesNamespace, err)
-		return err
-	}
-	mizu.Log.Debugf("Successfully creating Namespace %s", mizu.ResourcesNamespace)
-	return nil
+	_, err := kubernetesProvider.CreateNamespace(ctx, mizu.Config.ResourcesNamespace())
+	return err
 }
 
 func createMizuApiServer(ctx context.Context, kubernetesProvider *kubernetes.Provider, mizuApiFilteringOptions *shared.TrafficFilteringOptions) error {
 	var err error
 
-	mizuServiceAccountExists = createRBACIfNecessary(ctx, kubernetesProvider)
+	state.mizuServiceAccountExists, err = createRBACIfNecessary(ctx, kubernetesProvider)
+	if err != nil {
+		mizu.Log.Warningf(uiUtils.Warning, fmt.Sprintf("Failed to ensure the resources required for IP resolving. Mizu will not resolve target IPs to names. error: %v", errormessage.FormatError(err)))
+	}
+
 	var serviceAccountName string
-	if mizuServiceAccountExists {
+	if state.mizuServiceAccountExists {
 		serviceAccountName = mizu.ServiceAccountName
 	} else {
 		serviceAccountName = ""
 	}
-	_, err = kubernetesProvider.CreateMizuApiServerPod(ctx, mizu.ResourcesNamespace, mizu.ApiServerPodName, mizu.Config.MizuImage, serviceAccountName, mizuApiFilteringOptions, mizu.Config.Tap.MaxEntriesDBSizeBytes())
+
+	opts := &kubernetes.ApiServerOptions{
+		Namespace: mizu.Config.ResourcesNamespace(),
+		PodName: mizu.ApiServerPodName,
+		PodImage: mizu.Config.MizuImage,
+		ServiceAccountName: serviceAccountName,
+		IsNamespaceRestricted: !mizu.Config.IsOwnNamespace(),
+		MizuApiFilteringOptions: mizuApiFilteringOptions,
+		MaxEntriesDBSizeBytes: mizu.Config.Tap.MaxEntriesDBSizeBytes(),
+	}
+	_, err = kubernetesProvider.CreateMizuApiServerPod(ctx, opts)
 	if err != nil {
-		mizu.Log.Infof("Error creating mizu %s pod: %v", mizu.ApiServerPodName, err)
 		return err
 	}
 	mizu.Log.Debugf("Successfully created API server pod: %s", mizu.ApiServerPodName)
 
-	apiServerService, err = kubernetesProvider.CreateService(ctx, mizu.ResourcesNamespace, mizu.ApiServerPodName, mizu.ApiServerPodName)
+	state.apiServerService, err = kubernetesProvider.CreateService(ctx, mizu.Config.ResourcesNamespace(), mizu.ApiServerPodName, mizu.ApiServerPodName)
 	if err != nil {
-		mizu.Log.Infof("Error creating mizu %s service: %v", mizu.ApiServerPodName, err)
 		return err
 	}
 	mizu.Log.Debugf("Successfully created service: %s", mizu.ApiServerPodName)
@@ -183,7 +195,6 @@ func createMizuApiServer(ctx context.Context, kubernetesProvider *kubernetes.Pro
 }
 
 func getMizuApiFilteringOptions() (*shared.TrafficFilteringOptions, error) {
-
 	var compiledRegexSlice []*shared.SerializableRegexp
 
 	if mizu.Config.Tap.PlainTextFilterRegexes != nil && len(mizu.Config.Tap.PlainTextFilterRegexes) > 0 {
@@ -191,7 +202,6 @@ func getMizuApiFilteringOptions() (*shared.TrafficFilteringOptions, error) {
 		for _, regexStr := range mizu.Config.Tap.PlainTextFilterRegexes {
 			compiledRegex, err := shared.CompileRegexToSerializableRegexp(regexStr)
 			if err != nil {
-				mizu.Log.Infof("Regex %s is invalid: %v", regexStr, err)
 				return nil, err
 			}
 			compiledRegexSlice = append(compiledRegexSlice, compiledRegex)
@@ -204,7 +214,7 @@ func getMizuApiFilteringOptions() (*shared.TrafficFilteringOptions, error) {
 func updateMizuTappers(ctx context.Context, kubernetesProvider *kubernetes.Provider, nodeToTappedPodIPMap map[string][]string) error {
 	if len(nodeToTappedPodIPMap) > 0 {
 		var serviceAccountName string
-		if mizuServiceAccountExists {
+		if state.mizuServiceAccountExists {
 			serviceAccountName = mizu.ServiceAccountName
 		} else {
 			serviceAccountName = ""
@@ -212,22 +222,20 @@ func updateMizuTappers(ctx context.Context, kubernetesProvider *kubernetes.Provi
 
 		if err := kubernetesProvider.ApplyMizuTapperDaemonSet(
 			ctx,
-			mizu.ResourcesNamespace,
+			mizu.Config.ResourcesNamespace(),
 			mizu.TapperDaemonSetName,
 			mizu.Config.MizuImage,
 			mizu.TapperPodName,
-			fmt.Sprintf("%s.%s.svc.cluster.local", apiServerService.Name, apiServerService.Namespace),
+			fmt.Sprintf("%s.%s.svc.cluster.local", state.apiServerService.Name, state.apiServerService.Namespace),
 			nodeToTappedPodIPMap,
 			serviceAccountName,
 			mizu.Config.Tap.TapOutgoing(),
 		); err != nil {
-			mizu.Log.Infof("Error creating mizu tapper daemonset: %v", err)
 			return err
 		}
 		mizu.Log.Debugf("Successfully created %v tappers", len(nodeToTappedPodIPMap))
 	} else {
-		if err := kubernetesProvider.RemoveDaemonSet(ctx, mizu.ResourcesNamespace, mizu.TapperDaemonSetName); err != nil {
-			mizu.Log.Errorf("Error deleting mizu tapper daemonset: %v", err)
+		if err := kubernetesProvider.RemoveDaemonSet(ctx, mizu.Config.ResourcesNamespace(), mizu.TapperDaemonSetName); err != nil {
 			return err
 		}
 	}
@@ -241,31 +249,73 @@ func cleanUpMizuResources(kubernetesProvider *kubernetes.Provider) {
 	removalCtx, cancel := context.WithTimeout(context.Background(), cleanupTimeout)
 	defer cancel()
 
-	if err := kubernetesProvider.RemoveNamespace(removalCtx, mizu.ResourcesNamespace); err != nil {
-		mizu.Log.Infof("Error removing Namespace %s: %s (%v,%+v)", mizu.ResourcesNamespace, err, err, err)
-		return
+	if mizu.Config.IsOwnNamespace() {
+		if err := kubernetesProvider.RemoveNamespace(removalCtx, mizu.Config.ResourcesNamespace()); err != nil {
+			mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing Namespace %s: %v", mizu.Config.ResourcesNamespace(), errormessage.FormatError(err)))
+			return
+		}
+	} else {
+		if err := kubernetesProvider.RemovePod(removalCtx, mizu.Config.ResourcesNamespace(), mizu.ApiServerPodName); err != nil {
+			mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing Pod %s in namespace %s: %v", mizu.ApiServerPodName, mizu.Config.ResourcesNamespace(), errormessage.FormatError(err)))
+		}
+
+		if err := kubernetesProvider.RemoveService(removalCtx, mizu.Config.ResourcesNamespace(), mizu.ApiServerPodName); err != nil {
+			mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing Service %s in namespace %s: %v", mizu.ApiServerPodName, mizu.Config.ResourcesNamespace(), errormessage.FormatError(err)))
+		}
+
+		if err := kubernetesProvider.RemoveDaemonSet(removalCtx, mizu.Config.ResourcesNamespace(), mizu.TapperDaemonSetName); err != nil {
+			mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing DaemonSet %s in namespace %s: %v", mizu.TapperDaemonSetName, mizu.Config.ResourcesNamespace(), errormessage.FormatError(err)))
+		}
+
+		if !state.doNotRemoveConfigMap {
+			if err := kubernetesProvider.RemoveConfigMap(removalCtx, mizu.Config.ResourcesNamespace(), mizu.ConfigMapName); err != nil {
+				mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing ConfigMap %s in namespace %s: %v", mizu.ConfigMapName, mizu.Config.ResourcesNamespace(), errormessage.FormatError(err)))
+			}
+		}
+
 	}
 
-	if mizuServiceAccountExists {
-		if err := kubernetesProvider.RemoveNonNamespacedResources(removalCtx, mizu.ClusterRoleName, mizu.ClusterRoleBindingName); err != nil {
-			mizu.Log.Infof("Error removing non-namespaced resources: %s (%v,%+v)", err, err, err)
-			return
+	if state.mizuServiceAccountExists {
+		if mizu.Config.IsOwnNamespace() {
+			if err := kubernetesProvider.RemoveNonNamespacedResources(removalCtx, mizu.ClusterRoleName, mizu.ClusterRoleBindingName); err != nil {
+				mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing non-namespaced resources: %v", errormessage.FormatError(err)))
+				return
+			}
+		} else {
+			if err := kubernetesProvider.RemoveServicAccount(removalCtx, mizu.Config.ResourcesNamespace(), mizu.ServiceAccountName); err != nil {
+				mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing Service Account %s in namespace %s: %v", mizu.ServiceAccountName, mizu.Config.ResourcesNamespace(), errormessage.FormatError(err)))
+				return
+			}
+
+			if err := kubernetesProvider.RemoveRole(removalCtx, mizu.Config.ResourcesNamespace(), mizu.RoleName); err != nil {
+				mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing Role %s in namespace %s: %v", mizu.RoleName, mizu.Config.ResourcesNamespace(), errormessage.FormatError(err)))
+			}
+
+			if err := kubernetesProvider.RemoveRoleBinding(removalCtx, mizu.Config.ResourcesNamespace(), mizu.RoleBindingName); err != nil {
+				mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing RoleBinding %s in namespace %s: %v", mizu.RoleBindingName, mizu.Config.ResourcesNamespace(), errormessage.FormatError(err)))
+			}
 		}
 	}
 
+	if mizu.Config.IsOwnNamespace() {
+		waitUntilNamespaceDeleted(removalCtx, cancel, kubernetesProvider)
+	}
+}
+
+func waitUntilNamespaceDeleted(ctx context.Context, cancel context.CancelFunc, kubernetesProvider *kubernetes.Provider) {
 	// Call cancel if a terminating signal was received. Allows user to skip the wait.
 	go func() {
-		waitForFinish(removalCtx, cancel)
+		waitForFinish(ctx, cancel)
 	}()
 
-	if err := kubernetesProvider.WaitUtilNamespaceDeleted(removalCtx, mizu.ResourcesNamespace); err != nil {
+	if err := kubernetesProvider.WaitUtilNamespaceDeleted(ctx, mizu.Config.ResourcesNamespace()); err != nil {
 		switch {
-		case removalCtx.Err() == context.Canceled:
+		case ctx.Err() == context.Canceled:
 			// Do nothing. User interrupted the wait.
 		case err == wait.ErrWaitTimeout:
-			mizu.Log.Infof("Timeout while removing Namespace %s", mizu.ResourcesNamespace)
+			mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Timeout while removing Namespace %s", mizu.Config.ResourcesNamespace()))
 		default:
-			mizu.Log.Infof("Error while waiting for Namespace %s to be deleted: %s (%v,%+v)", mizu.ResourcesNamespace, err, err, err)
+			mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error while waiting for Namespace %s to be deleted: %v", mizu.Config.ResourcesNamespace(), errormessage.FormatError(err)))
 		}
 	}
 }
@@ -275,7 +325,7 @@ func reportTappedPods() {
 	tappedPodsUrl := fmt.Sprintf("http://%s/status/tappedPods", mizuProxiedUrl)
 
 	podInfos := make([]shared.PodInfo, 0)
-	for _, pod := range currentlyTappedPods {
+	for _, pod := range state.currentlyTappedPods {
 		podInfos = append(podInfos, shared.PodInfo{Name: pod.Name, Namespace: pod.Namespace})
 	}
 	tapStatus := shared.TapStatus{Pods: podInfos}
@@ -300,7 +350,7 @@ func watchPodsForTapping(ctx context.Context, kubernetesProvider *kubernetes.Pro
 	restartTappers := func() {
 		err, changeFound := updateCurrentlyTappedPods(kubernetesProvider, ctx, targetNamespace)
 		if err != nil {
-			mizu.Log.Errorf("Error getting pods by regex: %s (%v,%+v)", err, err, err)
+			mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error getting pods by regex: %v", errormessage.FormatError(err)))
 			cancel()
 		}
 
@@ -311,13 +361,13 @@ func watchPodsForTapping(ctx context.Context, kubernetesProvider *kubernetes.Pro
 
 		reportTappedPods()
 
-		nodeToTappedPodIPMap, err := getNodeHostToTappedPodIpsMap(currentlyTappedPods)
+		nodeToTappedPodIPMap := getNodeHostToTappedPodIpsMap(state.currentlyTappedPods)
 		if err != nil {
-			mizu.Log.Errorf("Error building node to ips map: %s (%v,%+v)", err, err, err)
+			mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error building node to ips map: %v", errormessage.FormatError(err)))
 			cancel()
 		}
 		if err := updateMizuTappers(ctx, kubernetesProvider, nodeToTappedPodIPMap); err != nil {
-			mizu.Log.Errorf("Error updating daemonset: %s (%v,%+v)", err, err, err)
+			mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error updating daemonset: %v", errormessage.FormatError(err)))
 			cancel()
 		}
 	}
@@ -356,10 +406,9 @@ func watchPodsForTapping(ctx context.Context, kubernetesProvider *kubernetes.Pro
 func updateCurrentlyTappedPods(kubernetesProvider *kubernetes.Provider, ctx context.Context, targetNamespace string) (error, bool) {
 	changeFound := false
 	if matchingPods, err := kubernetesProvider.GetAllRunningPodsMatchingRegex(ctx, mizu.Config.Tap.PodRegex(), targetNamespace); err != nil {
-		mizu.Log.Infof("Error getting pods by regex: %s (%v,%+v)", err, err, err)
 		return err, false
 	} else {
-		addedPods, removedPods := getPodArrayDiff(currentlyTappedPods, matchingPods)
+		addedPods, removedPods := getPodArrayDiff(state.currentlyTappedPods, matchingPods)
 		for _, addedPod := range addedPods {
 			changeFound = true
 			mizu.Log.Infof(uiUtils.Green, fmt.Sprintf("+%s", addedPod.Name))
@@ -368,7 +417,7 @@ func updateCurrentlyTappedPods(kubernetesProvider *kubernetes.Provider, ctx cont
 			changeFound = true
 			mizu.Log.Infof(uiUtils.Red, fmt.Sprintf("-%s", removedPod.Name))
 		}
-		currentlyTappedPods = matchingPods
+		state.currentlyTappedPods = matchingPods
 	}
 
 	return nil, changeFound
@@ -401,7 +450,7 @@ func getMissingPods(pods1 []core.Pod, pods2 []core.Pod) []core.Pod {
 
 func createProxyToApiServerPod(ctx context.Context, kubernetesProvider *kubernetes.Provider, cancel context.CancelFunc) {
 	podExactRegex := regexp.MustCompile(fmt.Sprintf("^%s$", mizu.ApiServerPodName))
-	added, modified, removed, errorChan := kubernetes.FilteredWatch(ctx, kubernetesProvider.GetPodWatcher(ctx, mizu.ResourcesNamespace), podExactRegex)
+	added, modified, removed, errorChan := kubernetes.FilteredWatch(ctx, kubernetesProvider.GetPodWatcher(ctx, mizu.Config.ResourcesNamespace()), podExactRegex)
 	isPodReady := false
 	timeAfter := time.After(25 * time.Second)
 	for {
@@ -420,24 +469,26 @@ func createProxyToApiServerPod(ctx context.Context, kubernetesProvider *kubernet
 			if modifiedPod.Status.Phase == core.PodRunning && !isPodReady {
 				isPodReady = true
 				go func() {
-					err := kubernetes.StartProxy(kubernetesProvider, mizu.Config.Tap.GuiPort, mizu.ResourcesNamespace, mizu.ApiServerPodName)
+					err := kubernetes.StartProxy(kubernetesProvider, mizu.Config.Tap.GuiPort, mizu.Config.ResourcesNamespace(), mizu.ApiServerPodName)
 					if err != nil {
-						mizu.Log.Errorf("Error occurred while running k8s proxy %v", err)
+						mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error occured while running k8s proxy %v", errormessage.FormatError(err)))
 						cancel()
 					}
 				}()
-				mizu.Log.Infof("Mizu is available at http://%s\n", kubernetes.GetMizuApiServerProxiedHostAndPath(mizu.Config.Tap.GuiPort))
+				mizuProxiedUrl := kubernetes.GetMizuApiServerProxiedHostAndPath(mizu.Config.Tap.GuiPort)
+				mizu.Log.Infof("Mizu is available at http://%s\n", mizuProxiedUrl)
+
 				time.Sleep(time.Second * 5) // Waiting to be sure the proxy is ready
 				requestForAnalysis()
 				reportTappedPods()
 			}
 		case <-timeAfter:
 			if !isPodReady {
-				mizu.Log.Errorf("Error: %s pod was not ready in time", mizu.ApiServerPodName)
+				mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("%s pod was not ready in time", mizu.ApiServerPodName))
 				cancel()
 			}
 		case <-errorChan:
-			mizu.Log.Debugf("[ERROR] Agent creation, watching %v namespace", mizu.ResourcesNamespace)
+			mizu.Log.Debugf("[ERROR] Agent creation, watching %v namespace", mizu.Config.ResourcesNamespace())
 			cancel()
 		}
 	}
@@ -465,23 +516,28 @@ func requestForAnalysis() {
 	}
 }
 
-func createRBACIfNecessary(ctx context.Context, kubernetesProvider *kubernetes.Provider) bool {
-	mizuRBACExists, err := kubernetesProvider.DoesServiceAccountExist(ctx, mizu.ResourcesNamespace, mizu.ServiceAccountName)
+func createRBACIfNecessary(ctx context.Context, kubernetesProvider *kubernetes.Provider) (bool, error) {
+	mizuRBACExists, err := kubernetesProvider.DoesServiceAccountExist(ctx, mizu.Config.ResourcesNamespace(), mizu.ServiceAccountName)
 	if err != nil {
-		mizu.Log.Infof("warning: could not ensure mizu rbac resources exist %v", err)
-		return false
+		return false, err
 	}
 	if !mizuRBACExists {
-		err := kubernetesProvider.CreateMizuRBAC(ctx, mizu.ResourcesNamespace, mizu.ServiceAccountName, mizu.ClusterRoleName, mizu.ClusterRoleBindingName, mizu.RBACVersion)
-		if err != nil && !errors.IsAlreadyExists(err) {
-			mizu.Log.Infof("warning: could not create mizu rbac resources %v", err)
-			return false
+		if mizu.Config.IsOwnNamespace() {
+			err := kubernetesProvider.CreateMizuRBAC(ctx, mizu.Config.ResourcesNamespace(), mizu.ServiceAccountName, mizu.ClusterRoleName, mizu.ClusterRoleBindingName, mizu.RBACVersion)
+			if err != nil {
+				return false, err
+			}
+		} else {
+			err := kubernetesProvider.CreateMizuRBACNamespaceRestricted(ctx, mizu.Config.ResourcesNamespace(), mizu.ServiceAccountName, mizu.RoleName, mizu.RoleBindingName, mizu.RBACVersion)
+			if err != nil {
+				return false, err
+			}
 		}
 	}
-	return true
+	return true, nil
 }
 
-func getNodeHostToTappedPodIpsMap(tappedPods []core.Pod) (map[string][]string, error) {
+func getNodeHostToTappedPodIpsMap(tappedPods []core.Pod) map[string][]string {
 	nodeToTappedPodIPMap := make(map[string][]string, 0)
 	for _, pod := range tappedPods {
 		existingList := nodeToTappedPodIPMap[pod.Spec.NodeName]
@@ -491,7 +547,7 @@ func getNodeHostToTappedPodIpsMap(tappedPods []core.Pod) (map[string][]string, e
 			nodeToTappedPodIPMap[pod.Spec.NodeName] = append(nodeToTappedPodIPMap[pod.Spec.NodeName], pod.Status.PodIP)
 		}
 	}
-	return nodeToTappedPodIPMap, nil
+	return nodeToTappedPodIPMap
 }
 
 func waitForFinish(ctx context.Context, cancel context.CancelFunc) {

cli/cmd/viewRunner.go

@@ -27,7 +27,7 @@ func runMizuView() {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 
-	exists, err := kubernetesProvider.DoesServicesExist(ctx, mizu.ResourcesNamespace, mizu.ApiServerPodName)
+	exists, err := kubernetesProvider.DoesServicesExist(ctx, mizu.Config.ResourcesNamespace(), mizu.ApiServerPodName)
 	if err != nil {
 		panic(err)
 	}
@@ -45,7 +45,7 @@ func runMizuView() {
 	mizu.Log.Infof("Found service %s, creating k8s proxy", mizu.ApiServerPodName)
 
 	mizu.Log.Infof("Mizu is available at  http://%s\n", kubernetes.GetMizuApiServerProxiedHostAndPath(mizu.Config.View.GuiPort))
-	err = kubernetes.StartProxy(kubernetesProvider, mizu.Config.View.GuiPort, mizu.ResourcesNamespace, mizu.ApiServerPodName)
+	err = kubernetes.StartProxy(kubernetesProvider, mizu.Config.View.GuiPort, mizu.Config.ResourcesNamespace(), mizu.ApiServerPodName)
 	if err != nil {
 		mizu.Log.Infof("Error occured while running k8s proxy %v", err)
 	}

cli/errormessage/errormessage.go

@@ -0,0 +1,29 @@
+package errormessage
+
+import (
+	"errors"
+	"fmt"
+	regexpsyntax "regexp/syntax"
+
+	k8serrors "k8s.io/apimachinery/pkg/api/errors"
+)
+
+// formatError wraps error with a detailed message that is meant for the user.
+// While the errors are meant to be displayed, they are not meant to be exported as classes outsite of CLI.
+func FormatError(err error) error {
+	var errorNew error
+	if k8serrors.IsForbidden(err) {
+		errorNew = fmt.Errorf("Insufficient permissions: %w. Supply the required permission or control Mizu's access to namespaces by setting MizuNamespace in the config file or setting the tapped namespace with --set mizu-namespace=<NAMEPSACE>.", err)
+	} else if syntaxError, isSyntaxError := asRegexSyntaxError(err); isSyntaxError {
+		errorNew = fmt.Errorf("Regex %s is invalid: %w", syntaxError.Expr, err)
+	} else {
+		errorNew = err
+	}
+
+	return errorNew
+}
+
+func asRegexSyntaxError(err error) (*regexpsyntax.Error, bool) {
+	var syntaxError *regexpsyntax.Error
+	return syntaxError, errors.As(err, &syntaxError)
+}

cli/kubernetes/provider.go

@@ -12,16 +12,13 @@ import (
 	"strconv"
 
 	"github.com/up9inc/mizu/cli/mizu"
-	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/client-go/tools/cache"
-	"k8s.io/client-go/util/homedir"
-
 	"github.com/up9inc/mizu/shared"
 	core "k8s.io/api/core/v1"
 	rbac "k8s.io/api/rbac/v1"
 	k8serrors "k8s.io/apimachinery/pkg/api/errors"
 	resource "k8s.io/apimachinery/pkg/api/resource"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/util/intstr"
 	"k8s.io/apimachinery/pkg/watch"
 	applyconfapp "k8s.io/client-go/applyconfigurations/apps/v1"
@@ -33,9 +30,11 @@ import (
 	_ "k8s.io/client-go/plugin/pkg/client/auth/oidc"
 	_ "k8s.io/client-go/plugin/pkg/client/auth/openstack"
 	restclient "k8s.io/client-go/rest"
+	"k8s.io/client-go/tools/cache"
 	"k8s.io/client-go/tools/clientcmd"
 	_ "k8s.io/client-go/tools/portforward"
 	watchtools "k8s.io/client-go/tools/watch"
+	"k8s.io/client-go/util/homedir"
 )
 
 type Provider struct {
@@ -126,8 +125,18 @@ func (provider *Provider) CreateNamespace(ctx context.Context, name string) (*co
 	return provider.clientSet.CoreV1().Namespaces().Create(ctx, namespaceSpec, metav1.CreateOptions{})
 }
 
-func (provider *Provider) CreateMizuApiServerPod(ctx context.Context, namespace string, podName string, podImage string, serviceAccountName string, mizuApiFilteringOptions *shared.TrafficFilteringOptions, maxEntriesDBSizeBytes int64) (*core.Pod, error) {
-	marshaledFilteringOptions, err := json.Marshal(mizuApiFilteringOptions)
+type ApiServerOptions struct {
+	Namespace               string
+	PodName                 string
+	PodImage                string
+	ServiceAccountName      string
+	IsNamespaceRestricted   bool
+	MizuApiFilteringOptions *shared.TrafficFilteringOptions
+	MaxEntriesDBSizeBytes   int64
+}
+
+func (provider *Provider) CreateMizuApiServerPod(ctx context.Context, opts *ApiServerOptions) (*core.Pod, error) {
+	marshaledFilteringOptions, err := json.Marshal(opts.MizuApiFilteringOptions)
 	if err != nil {
 		return nil, err
 	}
@@ -138,32 +147,37 @@ func (provider *Provider) CreateMizuApiServerPod(ctx context.Context, namespace
 
 	cpuLimit, err := resource.ParseQuantity("750m")
 	if err != nil {
-		return nil, errors.New(fmt.Sprintf("invalid cpu limit for %s container", podName))
+		return nil, errors.New(fmt.Sprintf("invalid cpu limit for %s container", opts.PodName))
 	}
 	memLimit, err := resource.ParseQuantity("512Mi")
 	if err != nil {
-		return nil, errors.New(fmt.Sprintf("invalid memory limit for %s container", podName))
+		return nil, errors.New(fmt.Sprintf("invalid memory limit for %s container", opts.PodName))
 	}
 	cpuRequests, err := resource.ParseQuantity("50m")
 	if err != nil {
-		return nil, errors.New(fmt.Sprintf("invalid cpu request for %s container", podName))
+		return nil, errors.New(fmt.Sprintf("invalid cpu request for %s container", opts.PodName))
 	}
 	memRequests, err := resource.ParseQuantity("50Mi")
 	if err != nil {
-		return nil, errors.New(fmt.Sprintf("invalid memory request for %s container", podName))
+		return nil, errors.New(fmt.Sprintf("invalid memory request for %s container", opts.PodName))
+	}
+
+	command := []string{"./mizuagent", "--api-server"}
+	if opts.IsNamespaceRestricted {
+		command = append(command, "--namespace", opts.Namespace)
 	}
 
 	pod := &core.Pod{
 		ObjectMeta: metav1.ObjectMeta{
-			Name:      podName,
-			Namespace: namespace,
-			Labels:    map[string]string{"app": podName},
+			Name:      opts.PodName,
+			Namespace: opts.Namespace,
+			Labels:    map[string]string{"app": opts.PodName},
 		},
 		Spec: core.PodSpec{
 			Containers: []core.Container{
 				{
-					Name:            podName,
-					Image:           podImage,
+					Name:            opts.PodName,
+					Image:           opts.PodImage,
 					ImagePullPolicy: core.PullAlways,
 					VolumeMounts: []core.VolumeMount{
 						{
@@ -171,7 +185,7 @@ func (provider *Provider) CreateMizuApiServerPod(ctx context.Context, namespace
 							MountPath: shared.RulePolicyPath,
 						},
 					},
-					Command: []string{"./mizuagent", "--api-server"},
+					Command: command,
 					Env: []core.EnvVar{
 						{
 							Name:  shared.HostModeEnvVar,
@@ -183,7 +197,7 @@ func (provider *Provider) CreateMizuApiServerPod(ctx context.Context, namespace
 						},
 						{
 							Name:  shared.MaxEntriesDBSizeBytesEnvVar,
-							Value: strconv.FormatInt(maxEntriesDBSizeBytes, 10),
+							Value: strconv.FormatInt(opts.MaxEntriesDBSizeBytes, 10),
 						},
 					},
 					Resources: core.ResourceRequirements{
@@ -211,10 +225,10 @@ func (provider *Provider) CreateMizuApiServerPod(ctx context.Context, namespace
 		},
 	}
 	//define the service account only when it exists to prevent pod crash
-	if serviceAccountName != "" {
-		pod.Spec.ServiceAccountName = serviceAccountName
+	if opts.ServiceAccountName != "" {
+		pod.Spec.ServiceAccountName = opts.ServiceAccountName
 	}
-	return provider.clientSet.CoreV1().Pods(namespace).Create(ctx, pod, metav1.CreateOptions{})
+	return provider.clientSet.CoreV1().Pods(opts.Namespace).Create(ctx, pod, metav1.CreateOptions{})
 }
 
 func (provider *Provider) CreateService(ctx context.Context, namespace string, serviceName string, appLabelValue string) (*core.Service, error) {
@@ -234,7 +248,55 @@ func (provider *Provider) CreateService(ctx context.Context, namespace string, s
 
 func (provider *Provider) DoesServiceAccountExist(ctx context.Context, namespace string, serviceAccountName string) (bool, error) {
 	serviceAccount, err := provider.clientSet.CoreV1().ServiceAccounts(namespace).Get(ctx, serviceAccountName, metav1.GetOptions{})
+	return provider.doesResourceExist(serviceAccount, err)
+}
 
+func (provider *Provider) DoesConfigMapExist(ctx context.Context, namespace string, name string) (bool, error) {
+	resource, err := provider.clientSet.CoreV1().ConfigMaps(namespace).Get(ctx, name, metav1.GetOptions{})
+	return provider.doesResourceExist(resource, err)
+}
+
+func (provider *Provider) DoesServicesExist(ctx context.Context, namespace string, name string) (bool, error) {
+	resource, err := provider.clientSet.CoreV1().Services(namespace).Get(ctx, name, metav1.GetOptions{})
+	return provider.doesResourceExist(resource, err)
+}
+
+func (provider *Provider) DoesNamespaceExist(ctx context.Context, name string) (bool, error) {
+	resource, err := provider.clientSet.CoreV1().Namespaces().Get(ctx, name, metav1.GetOptions{})
+	return provider.doesResourceExist(resource, err)
+}
+
+func (provider *Provider) DoesClusterRoleExist(ctx context.Context, name string) (bool, error) {
+	resource, err := provider.clientSet.RbacV1().ClusterRoles().Get(ctx, name, metav1.GetOptions{})
+	return provider.doesResourceExist(resource, err)
+}
+
+func (provider *Provider) DoesClusterRoleBindingExist(ctx context.Context, name string) (bool, error) {
+	resource, err := provider.clientSet.RbacV1().ClusterRoleBindings().Get(ctx, name, metav1.GetOptions{})
+	return provider.doesResourceExist(resource, err)
+}
+
+func (provider *Provider) DoesRoleExist(ctx context.Context, namespace string, name string) (bool, error) {
+	resource, err := provider.clientSet.RbacV1().Roles(namespace).Get(ctx, name, metav1.GetOptions{})
+	return provider.doesResourceExist(resource, err)
+}
+
+func (provider *Provider) DoesRoleBindingExist(ctx context.Context, namespace string, name string) (bool, error) {
+	resource, err := provider.clientSet.RbacV1().RoleBindings(namespace).Get(ctx, name, metav1.GetOptions{})
+	return provider.doesResourceExist(resource, err)
+}
+
+func (provider *Provider) DoesPodExist(ctx context.Context, namespace string, name string) (bool, error) {
+	resource, err := provider.clientSet.CoreV1().Pods(namespace).Get(ctx, name, metav1.GetOptions{})
+	return provider.doesResourceExist(resource, err)
+}
+
+func (provider *Provider) DoesDaemonSetExist(ctx context.Context, namespace string, name string) (bool, error) {
+	resource, err := provider.clientSet.AppsV1().DaemonSets(namespace).Get(ctx, name, metav1.GetOptions{})
+	return provider.doesResourceExist(resource, err)
+}
+
+func (provider *Provider) doesResourceExist(resource interface{}, err error) (bool, error) {
 	var statusError *k8serrors.StatusError
 	if errors.As(err, &statusError) {
 		// expected behavior when resource does not exist
@@ -245,22 +307,7 @@ func (provider *Provider) DoesServiceAccountExist(ctx context.Context, namespace
 	if err != nil {
 		return false, err
 	}
-	return serviceAccount != nil, nil
-}
-
-func (provider *Provider) DoesServicesExist(ctx context.Context, namespace string, serviceName string) (bool, error) {
-	service, err := provider.clientSet.CoreV1().Services(namespace).Get(ctx, serviceName, metav1.GetOptions{})
-
-	var statusError *k8serrors.StatusError
-	if errors.As(err, &statusError) {
-		if statusError.ErrStatus.Reason == metav1.StatusReasonNotFound {
-			return false, nil
-		}
-	}
-	if err != nil {
-		return false, err
-	}
-	return service != nil, nil
+	return resource != nil, nil
 }
 
 func (provider *Provider) CreateMizuRBAC(ctx context.Context, namespace string, serviceAccountName string, clusterRoleName string, clusterRoleBindingName string, version string) error {
@@ -317,8 +364,62 @@ func (provider *Provider) CreateMizuRBAC(ctx context.Context, namespace string,
 	return nil
 }
 
+func (provider *Provider) CreateMizuRBACNamespaceRestricted(ctx context.Context, namespace string, serviceAccountName string, roleName string, roleBindingName string, version string) error {
+	serviceAccount := &core.ServiceAccount{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      serviceAccountName,
+			Namespace: namespace,
+			Labels:    map[string]string{"mizu-cli-version": version},
+		},
+	}
+	role := &rbac.Role{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:   roleName,
+			Labels: map[string]string{"mizu-cli-version": version},
+		},
+		Rules: []rbac.PolicyRule{
+			{
+				APIGroups: []string{"", "extensions", "apps"},
+				Resources: []string{"pods", "services", "endpoints"},
+				Verbs:     []string{"list", "get", "watch"},
+			},
+		},
+	}
+	roleBinding := &rbac.RoleBinding{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:   roleBindingName,
+			Labels: map[string]string{"mizu-cli-version": version},
+		},
+		RoleRef: rbac.RoleRef{
+			Name:     roleName,
+			Kind:     "Role",
+			APIGroup: "rbac.authorization.k8s.io",
+		},
+		Subjects: []rbac.Subject{
+			{
+				Kind:      "ServiceAccount",
+				Name:      serviceAccountName,
+				Namespace: namespace,
+			},
+		},
+	}
+	_, err := provider.clientSet.CoreV1().ServiceAccounts(namespace).Create(ctx, serviceAccount, metav1.CreateOptions{})
+	if err != nil {
+		return err
+	}
+	_, err = provider.clientSet.RbacV1().Roles(namespace).Create(ctx, role, metav1.CreateOptions{})
+	if err != nil {
+		return err
+	}
+	_, err = provider.clientSet.RbacV1().RoleBindings(namespace).Create(ctx, roleBinding, metav1.CreateOptions{})
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
 func (provider *Provider) RemoveNamespace(ctx context.Context, name string) error {
-	if isFound, err := provider.CheckNamespaceExists(ctx, name); err != nil {
+	if isFound, err := provider.DoesNamespaceExist(ctx, name); err != nil {
 		return err
 	} else if !isFound {
 		return nil
@@ -340,7 +441,7 @@ func (provider *Provider) RemoveNonNamespacedResources(ctx context.Context, clus
 }
 
 func (provider *Provider) RemoveClusterRole(ctx context.Context, name string) error {
-	if isFound, err := provider.CheckClusterRoleExists(ctx, name); err != nil {
+	if isFound, err := provider.DoesClusterRoleExist(ctx, name); err != nil {
 		return err
 	} else if !isFound {
 		return nil
@@ -350,7 +451,7 @@ func (provider *Provider) RemoveClusterRole(ctx context.Context, name string) er
 }
 
 func (provider *Provider) RemoveClusterRoleBinding(ctx context.Context, name string) error {
-	if isFound, err := provider.CheckClusterRoleBindingExists(ctx, name); err != nil {
+	if isFound, err := provider.DoesClusterRoleBindingExist(ctx, name); err != nil {
 		return err
 	} else if !isFound {
 		return nil
@@ -359,8 +460,38 @@ func (provider *Provider) RemoveClusterRoleBinding(ctx context.Context, name str
 	return provider.clientSet.RbacV1().ClusterRoleBindings().Delete(ctx, name, metav1.DeleteOptions{})
 }
 
+func (provider *Provider) RemoveRoleBinding(ctx context.Context, namespace string, name string) error {
+	if isFound, err := provider.DoesRoleBindingExist(ctx, namespace, name); err != nil {
+		return err
+	} else if !isFound {
+		return nil
+	}
+
+	return provider.clientSet.RbacV1().RoleBindings(namespace).Delete(ctx, name, metav1.DeleteOptions{})
+}
+
+func (provider *Provider) RemoveRole(ctx context.Context, namespace string, name string) error {
+	if isFound, err := provider.DoesRoleExist(ctx, namespace, name); err != nil {
+		return err
+	} else if !isFound {
+		return nil
+	}
+
+	return provider.clientSet.RbacV1().Roles(namespace).Delete(ctx, name, metav1.DeleteOptions{})
+}
+
+func (provider *Provider) RemoveServicAccount(ctx context.Context, namespace string, name string) error {
+	if isFound, err := provider.DoesServiceAccountExist(ctx, namespace, name); err != nil {
+		return err
+	} else if !isFound {
+		return nil
+	}
+
+	return provider.clientSet.CoreV1().ServiceAccounts(namespace).Delete(ctx, name, metav1.DeleteOptions{})
+}
+
 func (provider *Provider) RemovePod(ctx context.Context, namespace string, podName string) error {
-	if isFound, err := provider.CheckPodExists(ctx, namespace, podName); err != nil {
+	if isFound, err := provider.DoesPodExist(ctx, namespace, podName); err != nil {
 		return err
 	} else if !isFound {
 		return nil
@@ -369,8 +500,18 @@ func (provider *Provider) RemovePod(ctx context.Context, namespace string, podNa
 	return provider.clientSet.CoreV1().Pods(namespace).Delete(ctx, podName, metav1.DeleteOptions{})
 }
 
+func (provider *Provider) RemoveConfigMap(ctx context.Context, namespace string, configMapName string) error {
+	if isFound, err := provider.DoesConfigMapExist(ctx, namespace, configMapName); err != nil {
+		return err
+	} else if !isFound {
+		return nil
+	}
+
+	return provider.clientSet.CoreV1().ConfigMaps(namespace).Delete(ctx, configMapName, metav1.DeleteOptions{})
+}
+
 func (provider *Provider) RemoveService(ctx context.Context, namespace string, serviceName string) error {
-	if isFound, err := provider.CheckServiceExists(ctx, namespace, serviceName); err != nil {
+	if isFound, err := provider.DoesServicesExist(ctx, namespace, serviceName); err != nil {
 		return err
 	} else if !isFound {
 		return nil
@@ -380,7 +521,7 @@ func (provider *Provider) RemoveService(ctx context.Context, namespace string, s
 }
 
 func (provider *Provider) RemoveDaemonSet(ctx context.Context, namespace string, daemonSetName string) error {
-	if isFound, err := provider.CheckDaemonSetExists(ctx, namespace, daemonSetName); err != nil {
+	if isFound, err := provider.DoesDaemonSetExist(ctx, namespace, daemonSetName); err != nil {
 		return err
 	} else if !isFound {
 		return nil
@@ -389,138 +530,11 @@ func (provider *Provider) RemoveDaemonSet(ctx context.Context, namespace string,
 	return provider.clientSet.AppsV1().DaemonSets(namespace).Delete(ctx, daemonSetName, metav1.DeleteOptions{})
 }
 
-func (provider *Provider) RemoveConfigMap(ctx context.Context, namespace string, configMapName string) error {
-	if isFound, err := provider.CheckConfigMapExists(ctx, namespace, configMapName); err != nil {
-		return err
-	} else if !isFound {
-		return nil
-	}
-	return provider.clientSet.CoreV1().ConfigMaps(namespace).Delete(ctx, configMapName, metav1.DeleteOptions{})
-}
-
-func (provider *Provider) CheckNamespaceExists(ctx context.Context, name string) (bool, error) {
-	listOptions := metav1.ListOptions{
-		FieldSelector: fmt.Sprintf("metadata.name=%s", name),
-		Limit:         1,
-	}
-	resourceList, err := provider.clientSet.CoreV1().Namespaces().List(ctx, listOptions)
-	if err != nil {
-		return false, err
-	}
-
-	if len(resourceList.Items) > 0 {
-		return true, nil
-	}
-
-	return false, nil
-}
-
-func (provider *Provider) CheckClusterRoleExists(ctx context.Context, name string) (bool, error) {
-	listOptions := metav1.ListOptions{
-		FieldSelector: fmt.Sprintf("metadata.name=%s", name),
-		Limit:         1,
-	}
-	resourceList, err := provider.clientSet.RbacV1().ClusterRoles().List(ctx, listOptions)
-	if err != nil {
-		return false, err
-	}
-
-	if len(resourceList.Items) > 0 {
-		return true, nil
-	}
-
-	return false, nil
-}
-
-func (provider *Provider) CheckClusterRoleBindingExists(ctx context.Context, name string) (bool, error) {
-	listOptions := metav1.ListOptions{
-		FieldSelector: fmt.Sprintf("metadata.name=%s", name),
-		Limit:         1,
-	}
-	resourceList, err := provider.clientSet.RbacV1().ClusterRoleBindings().List(ctx, listOptions)
-	if err != nil {
-		return false, err
-	}
-
-	if len(resourceList.Items) > 0 {
-		return true, nil
-	}
-
-	return false, nil
-}
-
-func (provider *Provider) CheckPodExists(ctx context.Context, namespace string, name string) (bool, error) {
-	listOptions := metav1.ListOptions{
-		FieldSelector: fmt.Sprintf("metadata.name=%s", name),
-		Limit:         1,
-	}
-	resourceList, err := provider.clientSet.CoreV1().Pods(namespace).List(ctx, listOptions)
-	if err != nil {
-		return false, err
-	}
-
-	if len(resourceList.Items) > 0 {
-		return true, nil
-	}
-
-	return false, nil
-}
-
-func (provider *Provider) CheckServiceExists(ctx context.Context, namespace string, name string) (bool, error) {
-	listOptions := metav1.ListOptions{
-		FieldSelector: fmt.Sprintf("metadata.name=%s", name),
-		Limit:         1,
-	}
-	resourceList, err := provider.clientSet.CoreV1().Services(namespace).List(ctx, listOptions)
-	if err != nil {
-		return false, err
-	}
-
-	if len(resourceList.Items) > 0 {
-		return true, nil
-	}
-
-	return false, nil
-}
-
-func (provider *Provider) CheckDaemonSetExists(ctx context.Context, namespace string, name string) (bool, error) {
-	listOptions := metav1.ListOptions{
-		FieldSelector: fmt.Sprintf("metadata.name=%s", name),
-		Limit:         1,
-	}
-	resourceList, err := provider.clientSet.AppsV1().DaemonSets(namespace).List(ctx, listOptions)
-	if err != nil {
-		return false, err
-	}
-
-	if len(resourceList.Items) > 0 {
-		return true, nil
-	}
-
-	return false, nil
-}
-
-func (provider *Provider) CheckConfigMapExists(ctx context.Context, namespace string, name string) (bool, error) {
-	listOptions := metav1.ListOptions{
-		FieldSelector: fmt.Sprintf("metadata.name=%s", name),
-		Limit:         1,
-	}
-	resourceList, err := provider.clientSet.CoreV1().ConfigMaps(namespace).List(ctx, listOptions)
-	if err != nil {
-		return false, err
-	}
-
-	if len(resourceList.Items) > 0 {
-		return true, nil
-	}
-
-	return false, nil
-}
-
-func (provider *Provider) ApplyConfigMap(ctx context.Context, namespace string, configMapName string, data string) error {
+func (provider *Provider) CreateConfigMap(ctx context.Context, namespace string, configMapName string, data string) error {
 	if data == "" {
 		return nil
 	}
+
 	configMapData := make(map[string]string, 0)
 	configMapData[shared.RulePolicyFileName] = data
 	configMap := &core.ConfigMap{
@@ -534,14 +548,11 @@ func (provider *Provider) ApplyConfigMap(ctx context.Context, namespace string,
 		},
 		Data: configMapData,
 	}
-	_, err := provider.clientSet.CoreV1().ConfigMaps(namespace).Create(ctx, configMap, metav1.CreateOptions{})
-	var statusError *k8serrors.StatusError
-	if errors.As(err, &statusError) {
-		if statusError.ErrStatus.Reason == metav1.StatusReasonForbidden {
-			return fmt.Errorf("User not authorized to create configmap, --test-rules will be ignored")
-		}
+	if _, err := provider.clientSet.CoreV1().ConfigMaps(namespace).Create(ctx, configMap, metav1.CreateOptions{}); err != nil {
+		return err
 	}
-	return err
+
+	return nil
 }
 
 func (provider *Provider) ApplyMizuTapperDaemonSet(ctx context.Context, namespace string, daemonSetName string, podImage string, tapperPodName string, apiServerPodIp string, nodeToTappedPodIPMap map[string][]string, serviceAccountName string, tapOutgoing bool) error {
@@ -671,7 +682,7 @@ func (provider *Provider) GetAllRunningPodsMatchingRegex(ctx context.Context, re
 			matchingPods = append(matchingPods, pod)
 		}
 	}
-	return matchingPods, err
+	return matchingPods, nil
 }
 
 func getClientSet(config *restclient.Config) *kubernetes.Clientset {

cli/mizu/configStruct.go

@@ -7,14 +7,31 @@ import (
 )
 
 type ConfigStruct struct {
-	Tap       configStructs.TapConfig     `yaml:"tap"`
-	Fetch     configStructs.FetchConfig   `yaml:"fetch"`
-	Version   configStructs.VersionConfig `yaml:"version"`
-	View      configStructs.ViewConfig    `yaml:"view"`
-	MizuImage string                      `yaml:"mizu-image"`
-	Telemetry bool                        `yaml:"telemetry" default:"true"`
+	Tap           configStructs.TapConfig     `yaml:"tap"`
+	Fetch         configStructs.FetchConfig   `yaml:"fetch"`
+	Version       configStructs.VersionConfig `yaml:"version"`
+	View          configStructs.ViewConfig    `yaml:"view"`
+	MizuImage     string                      `yaml:"mizu-image"`
+	MizuNamespace string                      `yaml:"mizu-namespace"`
+	Telemetry     bool                        `yaml:"telemetry" default:"true"`
 }
 
 func (config *ConfigStruct) SetDefaults() {
 	config.MizuImage = fmt.Sprintf("gcr.io/up9-docker-hub/mizu/%s:%s", Branch, SemVer)
 }
+
+func (config *ConfigStruct) ResourcesNamespace() string {
+	if config.MizuNamespace == "" {
+		return ResourcesDefaultNamespace
+	}
+
+	return config.MizuNamespace
+}
+
+func (config *ConfigStruct) IsOwnNamespace() bool {
+	if config.MizuNamespace == "" {
+		return true
+	}
+
+	return false
+}

cli/mizu/consts.go

@@ -14,15 +14,17 @@ var (
 )
 
 const (
-	ApiServerPodName       = "mizu-api-server"
-	ClusterRoleBindingName = "mizu-cluster-role-binding"
-	ClusterRoleName        = "mizu-cluster-role"
-	K8sAllNamespaces       = ""
-	ResourcesNamespace     = "mizu"
-	ServiceAccountName     = "mizu-service-account"
-	TapperDaemonSetName    = "mizu-tapper-daemon-set"
-	TapperPodName          = "mizu-tapper"
-	ConfigMapName          = "mizu-policy"
+	ApiServerPodName          = "mizu-api-server"
+	ClusterRoleBindingName    = "mizu-cluster-role-binding"
+	ClusterRoleName           = "mizu-cluster-role"
+	K8sAllNamespaces          = ""
+	ResourcesDefaultNamespace = "mizu"
+	RoleBindingName           = "mizu-role-binding"
+	RoleName                  = "mizu-role"
+	ServiceAccountName        = "mizu-service-account"
+	TapperDaemonSetName       = "mizu-tapper-daemon-set"
+	TapperPodName             = "mizu-tapper"
+	ConfigMapName             = "mizu-policy"
 )
 
 func getMizuFolderPath() string {

cli/uiUtils/colors.go

@@ -2,12 +2,14 @@ package uiUtils
 
 
 const (
-	Black        = "\033[1;30m%s\033[0m"
-	Red          = "\033[1;31m%s\033[0m"
-	Green        = "\033[1;32m%s\033[0m"
-	Yellow       = "\033[1;33m%s\033[0m"
-	Purple       = "\033[1;34m%s\033[0m"
-	Magenta      = "\033[1;35m%s\033[0m"
-	Teal         = "\033[1;36m%s\033[0m"
-	White        = "\033[1;37m%s\033[0m"
-)
+	Black   = "\033[1;30m%s\033[0m"
+	Red     = "\033[1;31m%s\033[0m"
+	Green   = "\033[1;32m%s\033[0m"
+	Yellow  = "\033[1;33m%s\033[0m"
+	Purple  = "\033[1;34m%s\033[0m"
+	Magenta = "\033[1;35m%s\033[0m"
+	Teal    = "\033[1;36m%s\033[0m"
+	White   = "\033[1;37m%s\033[0m"
+	Error   = Red
+	Warning = Yellow
+)

examples/roles/permissions-all-namespaces-without-ip-resolution.yaml

@@ -7,16 +7,16 @@ metadata:
 rules:
 - apiGroups: [""]
   resources: ["pods"]
-  verbs: ["list", "watch", "create"]
+  verbs: ["list", "watch", "create", "delete"]
 - apiGroups: [""]
   resources: ["services"]
-  verbs: ["create"]
+  verbs: ["create", "delete"]
 - apiGroups: ["apps"]
   resources: ["daemonsets"]
-  verbs: ["create", "patch"]
+  verbs: ["create", "patch", "delete"]
 - apiGroups: [""]
   resources: ["namespaces"]
-  verbs: ["list", "watch", "create", "delete"]
+  verbs: ["get", "list", "watch", "create", "delete"]
 - apiGroups: [""]
   resources: ["services/proxy"]
   verbs: ["get"]

examples/roles/permissions-all-namespaces.yaml

@@ -6,28 +6,34 @@ metadata:
 rules:
 - apiGroups: [""]
   resources: ["pods"]
-  verbs: ["get", "list", "watch", "create"]
+  verbs: ["get", "list", "watch", "create", "delete"]
 - apiGroups: [""]
   resources: ["services"]
-  verbs: ["get", "list", "watch", "create"]
+  verbs: ["get", "list", "watch", "create", "delete"]
 - apiGroups: ["apps"]
   resources: ["daemonsets"]
-  verbs: ["create", "patch"]
+  verbs: ["create", "patch", "delete"]
 - apiGroups: [""]
   resources: ["namespaces"]
-  verbs: ["list", "watch", "create", "delete"]
+  verbs: ["get", "list", "watch", "create", "delete"]
 - apiGroups: [""]
   resources: ["services/proxy"]
   verbs: ["get"]
 - apiGroups: [""]
   resources: ["serviceaccounts"]
-  verbs: ["get", "create"]
+  verbs: ["get", "create", "delete"]
 - apiGroups: ["rbac.authorization.k8s.io"]
   resources: ["clusterroles"]
-  verbs: ["list", "create", "delete"]
+  verbs: ["get", "create", "delete"]
 - apiGroups: ["rbac.authorization.k8s.io"]
   resources: ["clusterrolebindings"]
-  verbs: ["list", "create", "delete"]
+  verbs: ["get", "create", "delete"]
+- apiGroups: ["rbac.authorization.k8s.io"]
+  resources: ["roles"]
+  verbs: ["get", "create", "delete"]
+- apiGroups: ["rbac.authorization.k8s.io"]
+  resources: ["rolebindings"]
+  verbs: ["get", "create", "delete"]
 - apiGroups: ["apps", "extensions"]
   resources: ["pods"]
   verbs: ["get", "list", "watch"]

examples/roles/permissions-ns-with-validation.yaml

@@ -0,0 +1,54 @@
+# This example shows the roles required for a user to be able to use Mizu in a single namespace.
+kind: Role
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: mizu-runner-role
+  namespace: user1
+rules:
+- apiGroups: [""]
+  resources: ["pods"]
+  verbs: ["get", "list", "watch", "create", "delete"]
+- apiGroups: [""]
+  resources: ["services"]
+  verbs: ["get", "list", "watch", "create", "delete"]
+- apiGroups: ["apps"]
+  resources: ["daemonsets"]
+  verbs: ["get", "create", "patch", "delete"]
+- apiGroups: [""]
+  resources: ["services/proxy"]
+  verbs: ["get"]
+- apiGroups: [""]
+  resources: ["configmaps"]
+  verbs: ["get", "create", "delete"]
+- apiGroups: [""]
+  resources: ["serviceaccounts"]
+  verbs: ["get", "create", "delete"]
+- apiGroups: ["rbac.authorization.k8s.io"]
+  resources: ["roles"]
+  verbs: ["get", "create", "delete"]
+- apiGroups: ["rbac.authorization.k8s.io"]
+  resources: ["rolebindings"]
+  verbs: ["get", "create", "delete"]
+- apiGroups: ["apps", "extensions"]
+  resources: ["pods"]
+  verbs: ["get", "list", "watch"]
+- apiGroups: ["apps", "extensions"]
+  resources: ["services"]
+  verbs: ["get", "list", "watch"]
+- apiGroups: ["", "apps", "extensions"]
+  resources: ["endpoints"]
+  verbs: ["get", "list", "watch"]
+---
+kind: RoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: mizu-runner-rolebindings
+  namespace: user1
+subjects:
+- kind: User
+  name: user1
+  apiGroup: rbac.authorization.k8s.io
+roleRef:
+  kind: Role
+  name: mizu-runner-role
+  apiGroup: rbac.authorization.k8s.io

examples/roles/permissions-ns-without-ip-resolution.yaml

@@ -0,0 +1,33 @@
+# This example shows the roles required for a user to be able to use Mizu in a single namespace with IP resolution disabled.
+kind: Role
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: mizu-runner-role
+  namespace: user1
+rules:
+- apiGroups: [""]
+  resources: ["pods"]
+  verbs: ["get", "list", "watch", "create", "delete"]
+- apiGroups: [""]
+  resources: ["services"]
+  verbs: ["get", "create", "delete"]
+- apiGroups: ["apps"]
+  resources: ["daemonsets"]
+  verbs: ["get", "create", "patch", "delete"]
+- apiGroups: [""]
+  resources: ["services/proxy"]
+  verbs: ["get"]
+---
+kind: RoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: mizu-runner-rolebindings
+  namespace: user1
+subjects:
+- kind: User
+  name: user1
+  apiGroup: rbac.authorization.k8s.io
+roleRef:
+  kind: Role
+  name: mizu-runner-role
+  apiGroup: rbac.authorization.k8s.io

examples/roles/permissions-ns.yaml

@@ -0,0 +1,51 @@
+# This example shows the roles required for a user to be able to use Mizu in a single namespace.
+kind: Role
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: mizu-runner-role
+  namespace: user1
+rules:
+- apiGroups: [""]
+  resources: ["pods"]
+  verbs: ["get", "list", "watch", "create", "delete"]
+- apiGroups: [""]
+  resources: ["services"]
+  verbs: ["get", "list", "watch", "create", "delete"]
+- apiGroups: ["apps"]
+  resources: ["daemonsets"]
+  verbs: ["get", "create", "patch", "delete"]
+- apiGroups: [""]
+  resources: ["services/proxy"]
+  verbs: ["get"]
+- apiGroups: [""]
+  resources: ["serviceaccounts"]
+  verbs: ["get", "create", "delete"]
+- apiGroups: ["rbac.authorization.k8s.io"]
+  resources: ["roles"]
+  verbs: ["get", "create", "delete"]
+- apiGroups: ["rbac.authorization.k8s.io"]
+  resources: ["rolebindings"]
+  verbs: ["get", "create", "delete"]
+- apiGroups: ["apps", "extensions"]
+  resources: ["pods"]
+  verbs: ["get", "list", "watch"]
+- apiGroups: ["apps", "extensions"]
+  resources: ["services"]
+  verbs: ["get", "list", "watch"]
+- apiGroups: ["", "apps", "extensions"]
+  resources: ["endpoints"]
+  verbs: ["get", "list", "watch"]
+---
+kind: RoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: mizu-runner-rolebindings
+  namespace: user1
+subjects:
+- kind: User
+  name: user1
+  apiGroup: rbac.authorization.k8s.io
+roleRef:
+  kind: Role
+  name: mizu-runner-role
+  apiGroup: rbac.authorization.k8s.io