Enable multi namespace support

Signed-off-by: Nitishkumar Singh <nitishkumarsingh71@gmail.com>

Included Test cases for utils

Signed-off-by: Nitishkumar Singh <nitishkumarsingh71@gmail.com>

Multi namespace handling in invoke

Signed-off-by: Nitishkumar Singh <nitishkumarsingh71@gmail.com>

List Namespaces capability included

Signed-off-by: Nitishkumar Singh <nitishkumarsingh71@gmail.com>

remove faasd namespace from list result

Signed-off-by: Nitishkumar Singh <nitishkumarsingh71@gmail.com>

Create Secret Folder Path

Signed-off-by: Nitishkumar Singh <nitishkumarsingh71@gmail.com>

Filter only namespaces with openfass label

Signed-off-by: Nitishkumar Singh <nitishkumarsingh71@gmail.com>

Include Testcase for utility function

Signed-off-by: Nitishkumar Singh <nitishkumarsingh71@gmail.com>

move default function secets to openfaas-fn namespace secrets

Signed-off-by: Nitishkumar Singh <nitishkumarsingh71@gmail.com>

Corrected issue with secret moving

Signed-off-by: Nitishkumar Singh <nitishkumarsingh71@gmail.com>

cmd/provider.go

@@ -1,7 +1,6 @@
 package cmd
 
 import (
-	"encoding/json"
 	"fmt"
 	"io/ioutil"
 	"log"
@@ -14,6 +13,7 @@ import (
 	"github.com/openfaas/faas-provider/logs"
 	"github.com/openfaas/faas-provider/proxy"
 	"github.com/openfaas/faas-provider/types"
+	faasd "github.com/openfaas/faasd/pkg"
 	"github.com/openfaas/faasd/pkg/cninetwork"
 	faasdlogs "github.com/openfaas/faasd/pkg/logs"
 	"github.com/openfaas/faasd/pkg/provider/config"
@@ -84,6 +84,11 @@ func makeProviderCmd() *cobra.Command {
 
 		userSecretPath := path.Join(wd, "secrets")
 
+		err = moveSecretsToDefaultNamespaceSecrets(userSecretPath, faasd.FunctionNamespace)
+		if err != nil {
+			return err
+		}
+
 		bootstrapHandlers := types.FaaSHandlers{
 			FunctionProxy:        proxy.NewHandlerFunc(*config, invokeResolver),
 			DeleteHandler:        handlers.MakeDeleteHandler(client, cni),
@@ -94,7 +99,7 @@ func makeProviderCmd() *cobra.Command {
 			UpdateHandler:        handlers.MakeUpdateHandler(client, cni, userSecretPath, alwaysPull),
 			HealthHandler:        func(w http.ResponseWriter, r *http.Request) {},
 			InfoHandler:          handlers.MakeInfoHandler(Version, GitCommit),
-			ListNamespaceHandler: listNamespaces(),
+			ListNamespaceHandler: handlers.MakeNamespacesLister(client),
 			SecretHandler:        handlers.MakeSecretHandler(client, userSecretPath),
 			LogHandler:           logs.NewLogHandlerFunc(faasdlogs.New(), config.ReadTimeout),
 		}
@@ -107,10 +112,33 @@ func makeProviderCmd() *cobra.Command {
 	return command
 }
 
-func listNamespaces() func(w http.ResponseWriter, r *http.Request) {
-	return func(w http.ResponseWriter, r *http.Request) {
-		list := []string{""}
-		out, _ := json.Marshal(list)
-		w.Write(out)
+/*
+* Mutiple namespace support was added after release 0.13.0
+* Function will help users to migrate on multiple namespace support of faasd
+ */
+func moveSecretsToDefaultNamespaceSecrets(secretPath string, namespace string) error {
+	newSecretPath := path.Join(secretPath, namespace)
+
+	err := ensureWorkingDir(newSecretPath)
+	if err != nil {
+		return err
+	}
+
+	files, err := ioutil.ReadDir(secretPath)
+	if err != nil {
+		return err
+	}
+
+	for _, f := range files {
+		if !f.IsDir() {
+			oldPath := path.Join(secretPath, f.Name())
+			newPath := path.Join(newSecretPath, f.Name())
+			err = os.Rename(oldPath, newPath)
+			if err != nil {
+				return err
 			}
 		}
+	}
+
+	return nil
+}

pkg/constants.go

@@ -4,8 +4,8 @@ const (
 	// FunctionNamespace is the default containerd namespace functions are created
 	FunctionNamespace = "openfaas-fn"
 
-	// faasdNamespace is the containerd namespace services are created
-	faasdNamespace = "openfaas"
+	// FaasdNamespace is the containerd namespace services are created
+	FaasdNamespace = "openfaas"
 
 	faasServicesPullAlways = false
 

pkg/provider/handlers/delete.go

@@ -13,7 +13,6 @@ import (
 	gocni "github.com/containerd/go-cni"
 	"github.com/openfaas/faas/gateway/requests"
 
-	faasd "github.com/openfaas/faasd/pkg"
 	cninetwork "github.com/openfaas/faasd/pkg/cninetwork"
 	"github.com/openfaas/faasd/pkg/service"
 )
@@ -41,9 +40,11 @@ func MakeDeleteHandler(client *containerd.Client, cni gocni.CNI) func(w http.Res
 			return
 		}
 
+		lookupNamespace := getRequestNamespace(readNamespaceFromQuery(r))
+
 		name := req.FunctionName
 
-		function, err := GetFunction(client, name)
+		function, err := GetFunction(client, name, lookupNamespace)
 		if err != nil {
 			msg := fmt.Sprintf("service %s not found", name)
 			log.Printf("[Delete] %s\n", msg)
@@ -51,7 +52,7 @@ func MakeDeleteHandler(client *containerd.Client, cni gocni.CNI) func(w http.Res
 			return
 		}
 
-		ctx := namespaces.WithNamespace(context.Background(), faasd.FunctionNamespace)
+		ctx := namespaces.WithNamespace(context.Background(), lookupNamespace)
 
 		// TODO: this needs to still happen if the task is paused
 		if function.replicas != 0 {

pkg/provider/handlers/deploy.go

@@ -20,7 +20,6 @@ import (
 	"github.com/docker/distribution/reference"
 	"github.com/opencontainers/runtime-spec/specs-go"
 	"github.com/openfaas/faas-provider/types"
-	faasd "github.com/openfaas/faasd/pkg"
 	cninetwork "github.com/openfaas/faasd/pkg/cninetwork"
 	"github.com/openfaas/faasd/pkg/service"
 	"github.com/pkg/errors"
@@ -52,15 +51,17 @@ func MakeDeployHandler(client *containerd.Client, cni gocni.CNI, secretMountPath
 			return
 		}
 
-		err = validateSecrets(secretMountPath, req.Secrets)
+		namespace := getRequestNamespace(req.Namespace)
+		namespaceSecretMountPath := getNamespaceSecretMountPath(secretMountPath, namespace)
+		err = validateSecrets(namespaceSecretMountPath, req.Secrets)
 		if err != nil {
 			http.Error(w, err.Error(), http.StatusBadRequest)
 		}
 
 		name := req.Service
-		ctx := namespaces.WithNamespace(context.Background(), faasd.FunctionNamespace)
+		ctx := namespaces.WithNamespace(context.Background(), namespace)
 
-		deployErr := deploy(ctx, req, client, cni, secretMountPath, alwaysPull)
+		deployErr := deploy(ctx, req, client, cni, namespaceSecretMountPath, alwaysPull)
 		if deployErr != nil {
 			log.Printf("[Deploy] error deploying %s, error: %s\n", name, deployErr)
 			http.Error(w, deployErr.Error(), http.StatusBadRequest)

pkg/provider/handlers/functions.go

@@ -11,9 +11,8 @@ import (
 
 	"github.com/containerd/containerd"
 	"github.com/containerd/containerd/namespaces"
-	"github.com/openfaas/faasd/pkg/cninetwork"
-
 	faasd "github.com/openfaas/faasd/pkg"
+	"github.com/openfaas/faasd/pkg/cninetwork"
 )
 
 type Function struct {
@@ -32,8 +31,8 @@ type Function struct {
 }
 
 // ListFunctions returns a map of all functions with running tasks on namespace
-func ListFunctions(client *containerd.Client) (map[string]*Function, error) {
-	ctx := namespaces.WithNamespace(context.Background(), faasd.FunctionNamespace)
+func ListFunctions(client *containerd.Client, namespace string) (map[string]*Function, error) {
+	ctx := namespaces.WithNamespace(context.Background(), namespace)
 	functions := make(map[string]*Function)
 
 	containers, err := client.Containers(ctx)
@@ -43,7 +42,7 @@ func ListFunctions(client *containerd.Client) (map[string]*Function, error) {
 
 	for _, c := range containers {
 		name := c.ID()
-		f, err := GetFunction(client, name)
+		f, err := GetFunction(client, name, namespace)
 		if err != nil {
 			log.Printf("error getting function %s: ", name)
 			return functions, err
@@ -55,8 +54,8 @@ func ListFunctions(client *containerd.Client) (map[string]*Function, error) {
 }
 
 // GetFunction returns a function that matches name
-func GetFunction(client *containerd.Client, name string) (Function, error) {
-	ctx := namespaces.WithNamespace(context.Background(), faasd.FunctionNamespace)
+func GetFunction(client *containerd.Client, name string, namespace string) (Function, error) {
+	ctx := namespaces.WithNamespace(context.Background(), namespace)
 	fn := Function{}
 
 	c, err := client.LoadContainer(ctx, name)
@@ -92,7 +91,7 @@ func GetFunction(client *containerd.Client, name string) (Function, error) {
 	secrets := readSecretsFromMounts(spec.Mounts)
 
 	fn.name = containerName
-	fn.namespace = faasd.FunctionNamespace
+	fn.namespace = namespace
 	fn.image = image.Name()
 	fn.labels = labels
 	fn.annotations = annotations
@@ -181,3 +180,41 @@ func buildLabelsAndAnnotations(ctrLabels map[string]string) (map[string]string,
 
 	return labels, annotations
 }
+
+func ListNamespaces(client *containerd.Client) []string {
+	set := []string{}
+	store := client.NamespaceService()
+	namespaces, err := store.List(context.Background())
+	if err != nil {
+		log.Printf("Error listing namespaces: %s", err.Error())
+		set = append(set, faasd.FunctionNamespace)
+		return set
+	}
+
+	for _, namespace := range namespaces {
+		labels, err := store.Labels(context.Background(), namespace)
+		if err != nil {
+			log.Printf("Error listing label for namespace %s: %s", namespace, err.Error())
+			continue
+		}
+
+		if _, found := labels["openfaas"]; found {
+			set = append(set, namespace)
+		}
+
+		if !findNamespace(faasd.FunctionNamespace, set) {
+			set = append(set, faasd.FunctionNamespace)
+		}
+	}
+
+	return set
+}
+
+func findNamespace(target string, items []string) bool {
+	for _, n := range items {
+		if n == target {
+			return true
+		}
+	}
+	return false
+}

pkg/provider/handlers/functions_test.go

@@ -2,9 +2,10 @@ package handlers
 
 import (
 	"fmt"
-	"github.com/opencontainers/runtime-spec/specs-go"
 	"reflect"
 	"testing"
+
+	"github.com/opencontainers/runtime-spec/specs-go"
 )
 
 func Test_BuildLabelsAndAnnotationsFromServiceSpec_Annotations(t *testing.T) {
@@ -84,3 +85,25 @@ func Test_ProcessEnvToEnvVars(t *testing.T) {
 		})
 	}
 }
+
+func Test_findNamespace(t *testing.T) {
+	type test struct {
+		Name            string
+		foundNamespaces []string
+		namespace       string
+		Expected        bool
+	}
+	tests := []test{
+		{Name: "Namespace Found", namespace: "fn", foundNamespaces: []string{"fn", "openfaas-fn"}, Expected: true},
+		{Name: "namespace Not Found", namespace: "fn", foundNamespaces: []string{"openfaas-fn"}, Expected: false},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.Name, func(t *testing.T) {
+			got := findNamespace(tc.namespace, tc.foundNamespaces)
+			if got != tc.Expected {
+				t.Fatalf("expected %t, got %t", tc.Expected, got)
+			}
+		})
+	}
+}

pkg/provider/handlers/invoke_resolver.go

@@ -4,8 +4,10 @@ import (
 	"fmt"
 	"log"
 	"net/url"
+	"strings"
 
 	"github.com/containerd/containerd"
+	faasd "github.com/openfaas/faasd/pkg"
 )
 
 const watchdogPort = 8080
@@ -19,11 +21,18 @@ func NewInvokeResolver(client *containerd.Client) *InvokeResolver {
 }
 
 func (i *InvokeResolver) Resolve(functionName string) (url.URL, error) {
-	log.Printf("Resolve: %q\n", functionName)
+	actualFunctionName := functionName
+	log.Printf("Resolve: %q\n", actualFunctionName)
 
-	function, err := GetFunction(i.client, functionName)
+	namespace := getNamespace(functionName, faasd.FunctionNamespace)
+
+	if strings.Contains(functionName, ".") {
+		actualFunctionName = strings.TrimSuffix(functionName, "."+namespace)
+	}
+
+	function, err := GetFunction(i.client, actualFunctionName, namespace)
 	if err != nil {
-		return url.URL{}, fmt.Errorf("%s not found", functionName)
+		return url.URL{}, fmt.Errorf("%s not found", actualFunctionName)
 	}
 
 	serviceIP := function.IP
@@ -37,3 +46,11 @@ func (i *InvokeResolver) Resolve(functionName string) (url.URL, error) {
 
 	return *urlRes, nil
 }
+
+func getNamespace(name, defaultNamespace string) string {
+	namespace := defaultNamespace
+	if strings.Contains(name, ".") {
+		namespace = name[strings.LastIndexAny(name, ".")+1:]
+	}
+	return namespace
+}

pkg/provider/handlers/namespaces.go

@@ -0,0 +1,18 @@
+package handlers
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/containerd/containerd"
+)
+
+func MakeNamespacesLister(client *containerd.Client) func(w http.ResponseWriter, r *http.Request) {
+	return func(w http.ResponseWriter, r *http.Request) {
+		list := ListNamespaces(client)
+		body, _ := json.Marshal(list)
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusOK)
+		w.Write(body)
+	}
+}

pkg/provider/handlers/read.go

@@ -13,8 +13,10 @@ func MakeReadHandler(client *containerd.Client) func(w http.ResponseWriter, r *h
 
 	return func(w http.ResponseWriter, r *http.Request) {
 
+		lookupNamespace := getRequestNamespace(readNamespaceFromQuery(r))
+
 		res := []types.FunctionStatus{}
-		fns, err := ListFunctions(client)
+		fns, err := ListFunctions(client, lookupNamespace)
 		if err != nil {
 			log.Printf("[Read] error listing functions. Error: %s\n", err)
 			http.Error(w, err.Error(), http.StatusBadRequest)

pkg/provider/handlers/replicas.go

@@ -14,8 +14,9 @@ func MakeReplicaReaderHandler(client *containerd.Client) func(w http.ResponseWri
 	return func(w http.ResponseWriter, r *http.Request) {
 		vars := mux.Vars(r)
 		functionName := vars["name"]
+		lookupNamespace := getRequestNamespace(readNamespaceFromQuery(r))
 
-		if f, err := GetFunction(client, functionName); err == nil {
+		if f, err := GetFunction(client, functionName, lookupNamespace); err == nil {
 			found := types.FunctionStatus{
 				Name:              functionName,
 				AvailableReplicas: uint64(f.replicas),

pkg/provider/handlers/scale.go

@@ -13,7 +13,6 @@ import (
 	gocni "github.com/containerd/go-cni"
 
 	"github.com/openfaas/faas-provider/types"
-	faasd "github.com/openfaas/faasd/pkg"
 )
 
 func MakeReplicaUpdateHandler(client *containerd.Client, cni gocni.CNI) func(w http.ResponseWriter, r *http.Request) {
@@ -40,16 +39,18 @@ func MakeReplicaUpdateHandler(client *containerd.Client, cni gocni.CNI) func(w h
 			return
 		}
 
+		namespace := getRequestNamespace(readNamespaceFromQuery(r))
+
 		name := req.ServiceName
 
-		if _, err := GetFunction(client, name); err != nil {
+		if _, err := GetFunction(client, name, namespace); err != nil {
 			msg := fmt.Sprintf("service %s not found", name)
 			log.Printf("[Scale] %s\n", msg)
 			http.Error(w, msg, http.StatusNotFound)
 			return
 		}
 
-		ctx := namespaces.WithNamespace(context.Background(), faasd.FunctionNamespace)
+		ctx := namespaces.WithNamespace(context.Background(), namespace)
 
 		ctr, ctrErr := client.LoadContainer(ctx, name)
 		if ctrErr != nil {

pkg/provider/handlers/secret.go

@@ -15,6 +15,7 @@ import (
 )
 
 const secretFilePermission = 0644
+const secretDirPermission = 0755
 
 func MakeSecretHandler(c *containerd.Client, mountPath string) func(w http.ResponseWriter, r *http.Request) {
 
@@ -46,6 +47,10 @@ func MakeSecretHandler(c *containerd.Client, mountPath string) func(w http.Respo
 }
 
 func listSecrets(c *containerd.Client, w http.ResponseWriter, r *http.Request, mountPath string) {
+
+	lookupNamespace := getRequestNamespace(readNamespaceFromQuery(r))
+	mountPath = getNamespaceSecretMountPath(mountPath, lookupNamespace)
+
 	files, err := ioutil.ReadDir(mountPath)
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -54,7 +59,7 @@ func listSecrets(c *containerd.Client, w http.ResponseWriter, r *http.Request, m
 
 	secrets := []types.Secret{}
 	for _, f := range files {
-		secrets = append(secrets, types.Secret{Name: f.Name()})
+		secrets = append(secrets, types.Secret{Name: f.Name(), Namespace: lookupNamespace})
 	}
 
 	bytesOut, _ := json.Marshal(secrets)
@@ -69,6 +74,16 @@ func createSecret(c *containerd.Client, w http.ResponseWriter, r *http.Request,
 		return
 	}
 
+	namespace := getRequestNamespace(secret.Namespace)
+	mountPath = getNamespaceSecretMountPath(mountPath, namespace)
+
+	err = os.MkdirAll(mountPath, secretDirPermission)
+	if err != nil {
+		log.Printf("[secret] error %s", err.Error())
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
 	err = ioutil.WriteFile(path.Join(mountPath, secret.Name), []byte(secret.Value), secretFilePermission)
 
 	if err != nil {
@@ -86,6 +101,9 @@ func deleteSecret(c *containerd.Client, w http.ResponseWriter, r *http.Request,
 		return
 	}
 
+	namespace := getRequestNamespace(readNamespaceFromQuery(r))
+	mountPath = getNamespaceSecretMountPath(mountPath, namespace)
+
 	err = os.Remove(path.Join(mountPath, secret.Name))
 
 	if err != nil {

pkg/provider/handlers/update.go

@@ -13,7 +13,6 @@ import (
 	gocni "github.com/containerd/go-cni"
 	"github.com/openfaas/faas-provider/types"
 
-	faasd "github.com/openfaas/faasd/pkg"
 	"github.com/openfaas/faasd/pkg/cninetwork"
 	"github.com/openfaas/faasd/pkg/service"
 )
@@ -41,8 +40,10 @@ func MakeUpdateHandler(client *containerd.Client, cni gocni.CNI, secretMountPath
 			return
 		}
 		name := req.Service
+		namespace := getRequestNamespace(req.Namespace)
+		namespaceSecretMountPath := getNamespaceSecretMountPath(secretMountPath, namespace)
 
-		function, err := GetFunction(client, name)
+		function, err := GetFunction(client, name, namespace)
 		if err != nil {
 			msg := fmt.Sprintf("service %s not found", name)
 			log.Printf("[Update] %s\n", msg)
@@ -50,12 +51,12 @@ func MakeUpdateHandler(client *containerd.Client, cni gocni.CNI, secretMountPath
 			return
 		}
 
-		err = validateSecrets(secretMountPath, req.Secrets)
+		err = validateSecrets(namespaceSecretMountPath, req.Secrets)
 		if err != nil {
 			http.Error(w, err.Error(), http.StatusBadRequest)
 		}
 
-		ctx := namespaces.WithNamespace(context.Background(), faasd.FunctionNamespace)
+		ctx := namespaces.WithNamespace(context.Background(), namespace)
 
 		if _, err := prepull(ctx, req, client, alwaysPull); err != nil {
 			log.Printf("[Update] error with pre-pull: %s, %s\n", name, err)
@@ -78,7 +79,7 @@ func MakeUpdateHandler(client *containerd.Client, cni gocni.CNI, secretMountPath
 		// The pull has already been done in prepull, so we can force this pull to "false"
 		pull := false
 
-		if err := deploy(ctx, req, client, cni, secretMountPath, pull); err != nil {
+		if err := deploy(ctx, req, client, cni, namespaceSecretMountPath, pull); err != nil {
 			log.Printf("[Update] error deploying %s, error: %s\n", name, err)
 			http.Error(w, err.Error(), http.StatusBadRequest)
 			return

pkg/provider/handlers/utils.go

@@ -0,0 +1,25 @@
+package handlers
+
+import (
+	"net/http"
+	"path"
+
+	faasd "github.com/openfaas/faasd/pkg"
+)
+
+func getRequestNamespace(namespace string) string {
+
+	if len(namespace) > 0 {
+		return namespace
+	}
+	return faasd.FunctionNamespace
+}
+
+func readNamespaceFromQuery(r *http.Request) string {
+	q := r.URL.Query()
+	return q.Get("namespace")
+}
+
+func getNamespaceSecretMountPath(userSecretPath string, namespace string) string {
+	return path.Join(userSecretPath, namespace)
+}

pkg/provider/handlers/utils_test.go

@@ -0,0 +1,75 @@
+package handlers
+
+import (
+	"fmt"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	faasd "github.com/openfaas/faasd/pkg"
+)
+
+func Test_getRequestNamespace(t *testing.T) {
+	tables := []struct {
+		name              string
+		requestNamespace  string
+		expectedNamespace string
+	}{
+		{name: "RequestNamespace is not provided", requestNamespace: "", expectedNamespace: faasd.FunctionNamespace},
+		{name: "RequestNamespace is provided", requestNamespace: "user-namespace", expectedNamespace: "user-namespace"},
+	}
+
+	for _, tc := range tables {
+		t.Run(tc.name, func(t *testing.T) {
+			actualNamespace := getRequestNamespace(tc.requestNamespace)
+			if actualNamespace != tc.expectedNamespace {
+				t.Errorf("Got: %s, expected %s", actualNamespace, tc.expectedNamespace)
+			}
+		})
+	}
+}
+
+func Test_getNamespaceSecretMountPath(t *testing.T) {
+	userSecretPath := "/var/openfaas/secrets"
+	tables := []struct {
+		name               string
+		requestNamespace   string
+		expectedSecretPath string
+	}{
+		{name: "Default Namespace is provided", requestNamespace: faasd.FunctionNamespace, expectedSecretPath: "/var/openfaas/secrets/" + faasd.FunctionNamespace},
+		{name: "User Namespace is provided", requestNamespace: "user-namespace", expectedSecretPath: "/var/openfaas/secrets/user-namespace"},
+	}
+
+	for _, tc := range tables {
+		t.Run(tc.name, func(t *testing.T) {
+			actualNamespace := getNamespaceSecretMountPath(userSecretPath, tc.requestNamespace)
+			if actualNamespace != tc.expectedSecretPath {
+				t.Errorf("Got: %s, expected %s", actualNamespace, tc.expectedSecretPath)
+			}
+		})
+	}
+}
+
+func Test_readNamespaceFromQuery(t *testing.T) {
+	tables := []struct {
+		name              string
+		queryNamespace    string
+		expectedNamespace string
+	}{
+		{name: "No Namespace is provided", queryNamespace: "", expectedNamespace: ""},
+		{name: "User Namespace is provided", queryNamespace: "user-namespace", expectedNamespace: "user-namespace"},
+	}
+
+	for _, tc := range tables {
+		t.Run(tc.name, func(t *testing.T) {
+
+			url := fmt.Sprintf("/test?namespace=%s", tc.queryNamespace)
+			r := httptest.NewRequest(http.MethodGet, url, nil)
+
+			actualNamespace := readNamespaceFromQuery(r)
+			if actualNamespace != tc.expectedNamespace {
+				t.Errorf("Got: %s, expected %s", actualNamespace, tc.expectedNamespace)
+			}
+		})
+	}
+}

pkg/supervisor.go

@@ -79,7 +79,7 @@ func NewSupervisor(sock string) (*Supervisor, error) {
 }
 
 func (s *Supervisor) Start(svcs []Service) error {
-	ctx := namespaces.WithNamespace(context.Background(), faasdNamespace)
+	ctx := namespaces.WithNamespace(context.Background(), FaasdNamespace)
 
 	wd, _ := os.Getwd()
 
@@ -243,7 +243,7 @@ func (s *Supervisor) Close() {
 }
 
 func (s *Supervisor) Remove(svcs []Service) error {
-	ctx := namespaces.WithNamespace(context.Background(), faasdNamespace)
+	ctx := namespaces.WithNamespace(context.Background(), FaasdNamespace)
 
 	for _, svc := range svcs {
 		err := cninetwork.DeleteCNINetwork(ctx, s.cni, s.client, svc.Name)