feat(kube): introduce custom templates [EE-1125] (#5434)

* feat(kube): introduce custom templates

refactor(customtemplates): use build option

chore(deps): upgrade yaml parser

feat(customtemplates): add and edit RC to kube templates

fix(kube): show docker icon

fix(custom-templates): save rc

* fix(kube/templates): route to correct routes

api/exec/kubernetes_deploy.go

@@ -5,9 +5,6 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"github.com/portainer/portainer/api/http/proxy/factory/kubernetes"
-	"github.com/portainer/portainer/api/http/security"
-	"github.com/portainer/portainer/api/kubernetes/cli"
 	"io/ioutil"
 	"net/http"
 	"net/url"
@@ -17,6 +14,10 @@ import (
 	"strings"
 	"time"
 
+	"github.com/portainer/portainer/api/http/proxy/factory/kubernetes"
+	"github.com/portainer/portainer/api/http/security"
+	"github.com/portainer/portainer/api/kubernetes/cli"
+
 	portainer "github.com/portainer/portainer/api"
 	"github.com/portainer/portainer/api/crypto"
 )
@@ -80,7 +81,7 @@ func (deployer *KubernetesDeployer) getToken(request *http.Request, endpoint *po
 // Otherwise it will use kubectl to deploy the manifest.
 func (deployer *KubernetesDeployer) Deploy(request *http.Request, endpoint *portainer.Endpoint, stackConfig string, namespace string) (string, error) {
 	if endpoint.Type == portainer.KubernetesLocalEnvironment {
-		token, err := deployer.getToken(request, endpoint, true);
+		token, err := deployer.getToken(request, endpoint, true)
 		if err != nil {
 			return "", err
 		}
@@ -179,7 +180,7 @@ func (deployer *KubernetesDeployer) Deploy(request *http.Request, endpoint *port
 		return "", err
 	}
 
-	token, err := deployer.getToken(request, endpoint, false);
+	token, err := deployer.getToken(request, endpoint, false)
 	if err != nil {
 		return "", err
 	}
@@ -229,7 +230,7 @@ func (deployer *KubernetesDeployer) Deploy(request *http.Request, endpoint *port
 }
 
 // ConvertCompose leverages the kompose binary to deploy a compose compliant manifest.
-func (deployer *KubernetesDeployer) ConvertCompose(data string) ([]byte, error) {
+func (deployer *KubernetesDeployer) ConvertCompose(data []byte) ([]byte, error) {
 	command := path.Join(deployer.binaryPath, "kompose")
 	if runtime.GOOS == "windows" {
 		command = path.Join(deployer.binaryPath, "kompose.exe")
@@ -241,7 +242,7 @@ func (deployer *KubernetesDeployer) ConvertCompose(data string) ([]byte, error)
 	var stderr bytes.Buffer
 	cmd := exec.Command(command, args...)
 	cmd.Stderr = &stderr
-	cmd.Stdin = strings.NewReader(data)
+	cmd.Stdin = bytes.NewReader(data)
 
 	output, err := cmd.Output()
 	if err != nil {

api/go.mod

@@ -37,7 +37,7 @@ require (
 	golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2
 	golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45
 	gopkg.in/alecthomas/kingpin.v2 v2.2.6
-	gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c
+	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
 	k8s.io/api v0.17.2
 	k8s.io/apimachinery v0.17.2
 	k8s.io/client-go v0.17.2

api/go.sum

@@ -387,8 +387,9 @@ gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gotest.tools v2.2.0+incompatible h1:VsBPFP1AI068pPrMxtb/S8Zkgf9xEmTLJjfM+P5UIEo=
 gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

api/http/handler/customtemplates/customtemplate_create.go

@@ -105,9 +105,10 @@ type customTemplateFromFileContentPayload struct {
 	Note string `example:"This is my <b>custom</b> template"`
 	// Platform associated to the template.
 	// Valid values are: 1 - 'linux', 2 - 'windows'
-	Platform portainer.CustomTemplatePlatform `example:"1" enums:"1,2" validate:"required"`
-	// Type of created stack (1 - swarm, 2 - compose)
-	Type portainer.StackType `example:"1" enums:"1,2" validate:"required"`
+	// Required for Docker stacks
+	Platform portainer.CustomTemplatePlatform `example:"1" enums:"1,2"`
+	// Type of created stack (1 - swarm, 2 - compose, 3 - kubernetes)
+	Type portainer.StackType `example:"1" enums:"1,2,3" validate:"required"`
 	// Content of stack file
 	FileContent string `validate:"required"`
 }
@@ -122,10 +123,10 @@ func (payload *customTemplateFromFileContentPayload) Validate(r *http.Request) e
 	if govalidator.IsNull(payload.FileContent) {
 		return errors.New("Invalid file content")
 	}
-	if payload.Platform != portainer.CustomTemplatePlatformLinux && payload.Platform != portainer.CustomTemplatePlatformWindows {
+	if payload.Type != portainer.KubernetesStack && payload.Platform != portainer.CustomTemplatePlatformLinux && payload.Platform != portainer.CustomTemplatePlatformWindows {
 		return errors.New("Invalid custom template platform")
 	}
-	if payload.Type != portainer.DockerSwarmStack && payload.Type != portainer.DockerComposeStack {
+	if payload.Type != portainer.KubernetesStack && payload.Type != portainer.DockerSwarmStack && payload.Type != portainer.DockerComposeStack {
 		return errors.New("Invalid custom template type")
 	}
 	return nil
@@ -171,7 +172,8 @@ type customTemplateFromGitRepositoryPayload struct {
 	Note string `example:"This is my <b>custom</b> template"`
 	// Platform associated to the template.
 	// Valid values are: 1 - 'linux', 2 - 'windows'
-	Platform portainer.CustomTemplatePlatform `example:"1" enums:"1,2" validate:"required"`
+	// Required for Docker stacks
+	Platform portainer.CustomTemplatePlatform `example:"1" enums:"1,2"`
 	// Type of created stack (1 - swarm, 2 - compose)
 	Type portainer.StackType `example:"1" enums:"1,2" validate:"required"`
 
@@ -205,6 +207,11 @@ func (payload *customTemplateFromGitRepositoryPayload) Validate(r *http.Request)
 	if govalidator.IsNull(payload.ComposeFilePathInRepository) {
 		payload.ComposeFilePathInRepository = filesystem.ComposeFileDefaultName
 	}
+
+	if payload.Type == portainer.KubernetesStack {
+		return errors.New("Creating a Kubernetes custom template from git is not supported")
+	}
+
 	if payload.Platform != portainer.CustomTemplatePlatformLinux && payload.Platform != portainer.CustomTemplatePlatformWindows {
 		return errors.New("Invalid custom template platform")
 	}
@@ -278,20 +285,21 @@ func (payload *customTemplateFromFileUploadPayload) Validate(r *http.Request) er
 	note, _ := request.RetrieveMultiPartFormValue(r, "Note", true)
 	payload.Note = note
 
-	platform, _ := request.RetrieveNumericMultiPartFormValue(r, "Platform", true)
-	templatePlatform := portainer.CustomTemplatePlatform(platform)
-	if templatePlatform != portainer.CustomTemplatePlatformLinux && templatePlatform != portainer.CustomTemplatePlatformWindows {
-		return errors.New("Invalid custom template platform")
-	}
-	payload.Platform = templatePlatform
-
 	typeNumeral, _ := request.RetrieveNumericMultiPartFormValue(r, "Type", true)
 	templateType := portainer.StackType(typeNumeral)
-	if templateType != portainer.DockerComposeStack && templateType != portainer.DockerSwarmStack {
+	if templateType != portainer.KubernetesStack && templateType != portainer.DockerSwarmStack && templateType != portainer.DockerComposeStack {
 		return errors.New("Invalid custom template type")
 	}
 	payload.Type = templateType
 
+	platform, _ := request.RetrieveNumericMultiPartFormValue(r, "Platform", true)
+	templatePlatform := portainer.CustomTemplatePlatform(platform)
+	if templateType != portainer.KubernetesStack && templatePlatform != portainer.CustomTemplatePlatformLinux && templatePlatform != portainer.CustomTemplatePlatformWindows {
+		return errors.New("Invalid custom template platform")
+	}
+
+	payload.Platform = templatePlatform
+
 	composeFileContent, _, err := request.RetrieveMultiPartFormFile(r, "File")
 	if err != nil {
 		return errors.New("Invalid Compose file. Ensure that the Compose file is uploaded correctly")

api/http/handler/customtemplates/customtemplate_list.go

@@ -2,7 +2,9 @@ package customtemplates
 
 import (
 	"net/http"
+	"strconv"
 
+	"github.com/pkg/errors"
 	httperror "github.com/portainer/libhttp/error"
 	"github.com/portainer/libhttp/response"
 	portainer "github.com/portainer/portainer/api"
@@ -17,10 +19,16 @@ import (
 // @tags custom_templates
 // @security jwt
 // @produce json
+// @param type query []int true "Template types" Enums(1,2,3)
 // @success 200 {array} portainer.CustomTemplate "Success"
 // @failure 500 "Server error"
 // @router /custom_templates [get]
 func (handler *Handler) customTemplateList(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
+	templateTypes, err := parseTemplateTypes(r)
+	if err != nil {
+		return &httperror.HandlerError{http.StatusBadRequest, "Invalid Custom template type", err}
+	}
+
 	customTemplates, err := handler.DataStore.CustomTemplate().CustomTemplates()
 	if err != nil {
 		return &httperror.HandlerError{http.StatusInternalServerError, "Unable to retrieve custom templates from the database", err}
@@ -52,5 +60,52 @@ func (handler *Handler) customTemplateList(w http.ResponseWriter, r *http.Reques
 		customTemplates = authorization.FilterAuthorizedCustomTemplates(customTemplates, user, userTeamIDs)
 	}
 
+	customTemplates = filterByType(customTemplates, templateTypes)
+
 	return response.JSON(w, customTemplates)
 }
+
+func parseTemplateTypes(r *http.Request) ([]portainer.StackType, error) {
+	err := r.ParseForm()
+	if err != nil {
+		return nil, errors.WithMessage(err, "failed to parse request params")
+	}
+
+	types, exist := r.Form["type"]
+	if !exist {
+		return []portainer.StackType{}, nil
+	}
+
+	res := []portainer.StackType{}
+	for _, templateTypeStr := range types {
+		templateType, err := strconv.Atoi(templateTypeStr)
+		if err != nil {
+			return nil, errors.WithMessage(err, "failed parsing template type")
+		}
+
+		res = append(res, portainer.StackType(templateType))
+	}
+
+	return res, nil
+}
+
+func filterByType(customTemplates []portainer.CustomTemplate, templateTypes []portainer.StackType) []portainer.CustomTemplate {
+	if len(templateTypes) == 0 {
+		return customTemplates
+	}
+
+	typeSet := map[portainer.StackType]bool{}
+	for _, templateType := range templateTypes {
+		typeSet[templateType] = true
+	}
+
+	filtered := []portainer.CustomTemplate{}
+
+	for _, template := range customTemplates {
+		if typeSet[template.Type] {
+			filtered = append(filtered, template)
+		}
+	}
+
+	return filtered
+}

api/http/handler/customtemplates/customtemplate_update.go

@@ -27,9 +27,10 @@ type customTemplateUpdatePayload struct {
 	Note string `example:"This is my <b>custom</b> template"`
 	// Platform associated to the template.
 	// Valid values are: 1 - 'linux', 2 - 'windows'
-	Platform portainer.CustomTemplatePlatform `example:"1" enums:"1,2" validate:"required"`
-	// Type of created stack (1 - swarm, 2 - compose)
-	Type portainer.StackType `example:"1" enums:"1,2" validate:"required"`
+	// Required for Docker stacks
+	Platform portainer.CustomTemplatePlatform `example:"1" enums:"1,2"`
+	// Type of created stack (1 - swarm, 2 - compose, 3 - kubernetes)
+	Type portainer.StackType `example:"1" enums:"1,2,3" validate:"required"`
 	// Content of stack file
 	FileContent string `validate:"required"`
 }
@@ -41,10 +42,10 @@ func (payload *customTemplateUpdatePayload) Validate(r *http.Request) error {
 	if govalidator.IsNull(payload.FileContent) {
 		return errors.New("Invalid file content")
 	}
-	if payload.Platform != portainer.CustomTemplatePlatformLinux && payload.Platform != portainer.CustomTemplatePlatformWindows {
+	if payload.Type != portainer.KubernetesStack && payload.Platform != portainer.CustomTemplatePlatformLinux && payload.Platform != portainer.CustomTemplatePlatformWindows {
 		return errors.New("Invalid custom template platform")
 	}
-	if payload.Type != portainer.DockerComposeStack && payload.Type != portainer.DockerSwarmStack {
+	if payload.Type != portainer.KubernetesStack && payload.Type != portainer.DockerSwarmStack && payload.Type != portainer.DockerComposeStack {
 		return errors.New("Invalid custom template type")
 	}
 	if govalidator.IsNull(payload.Description) {

api/http/handler/stacks/create_kubernetes_stack.go

@@ -1,7 +1,6 @@
 package stacks
 
 import (
-	"errors"
 	"io/ioutil"
 	"net/http"
 	"path/filepath"
@@ -9,12 +8,14 @@ import (
 	"time"
 
 	"github.com/asaskevich/govalidator"
+	"github.com/pkg/errors"
 
 	httperror "github.com/portainer/libhttp/error"
 	"github.com/portainer/libhttp/request"
 	"github.com/portainer/libhttp/response"
 	portainer "github.com/portainer/portainer/api"
 	"github.com/portainer/portainer/api/filesystem"
+	k "github.com/portainer/portainer/api/kubernetes"
 )
 
 const defaultReferenceName = "refs/heads/master"
@@ -95,7 +96,12 @@ func (handler *Handler) createKubernetesStackFromFileContent(w http.ResponseWrit
 	doCleanUp := true
 	defer handler.cleanUp(stack, &doCleanUp)
 
-	output, err := handler.deployKubernetesStack(r, endpoint, payload.StackFileContent, payload.ComposeFormat, payload.Namespace)
+	output, err := handler.deployKubernetesStack(r, endpoint, payload.StackFileContent, payload.ComposeFormat, payload.Namespace, k.KubeAppLabels{
+		StackID: stackID,
+		Name:    stack.Name,
+		Owner:   stack.CreatedBy,
+		Kind:    "content",
+	})
 	if err != nil {
 		return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to deploy Kubernetes stack", Err: err}
 	}
@@ -109,6 +115,8 @@ func (handler *Handler) createKubernetesStackFromFileContent(w http.ResponseWrit
 		Output: output,
 	}
 
+	doCleanUp = false
+
 	return response.JSON(w, resp)
 }
 
@@ -139,7 +147,12 @@ func (handler *Handler) createKubernetesStackFromGitRepository(w http.ResponseWr
 		return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Failed to process manifest from Git repository", Err: err}
 	}
 
-	output, err := handler.deployKubernetesStack(r, endpoint, stackFileContent, payload.ComposeFormat, payload.Namespace)
+	output, err := handler.deployKubernetesStack(r, endpoint, stackFileContent, payload.ComposeFormat, payload.Namespace, k.KubeAppLabels{
+		StackID: stackID,
+		Name:    stack.Name,
+		Owner:   stack.CreatedBy,
+		Kind:    "git",
+	})
 	if err != nil {
 		return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to deploy Kubernetes stack", Err: err}
 	}
@@ -152,23 +165,31 @@ func (handler *Handler) createKubernetesStackFromGitRepository(w http.ResponseWr
 	resp := &createKubernetesStackResponse{
 		Output: output,
 	}
+
+	doCleanUp = false
+
 	return response.JSON(w, resp)
 }
 
-func (handler *Handler) deployKubernetesStack(request *http.Request, endpoint *portainer.Endpoint, stackConfig string, composeFormat bool, namespace string) (string, error) {
+func (handler *Handler) deployKubernetesStack(r *http.Request, endpoint *portainer.Endpoint, stackConfig string, composeFormat bool, namespace string, appLabels k.KubeAppLabels) (string, error) {
 	handler.stackCreationMutex.Lock()
 	defer handler.stackCreationMutex.Unlock()
 
+	manifest := []byte(stackConfig)
 	if composeFormat {
-		convertedConfig, err := handler.KubernetesDeployer.ConvertCompose(stackConfig)
+		convertedConfig, err := handler.KubernetesDeployer.ConvertCompose(manifest)
 		if err != nil {
-			return "", err
+			return "", errors.Wrap(err, "failed to convert docker compose file to a kube manifest")
 		}
-		stackConfig = string(convertedConfig)
+		manifest = convertedConfig
 	}
 
-	return handler.KubernetesDeployer.Deploy(request, endpoint, stackConfig, namespace)
+	manifest, err := k.AddAppLabels(manifest, appLabels)
+	if err != nil {
+		return "", errors.Wrap(err, "failed to add application labels")
+	}
 
+	return handler.KubernetesDeployer.Deploy(r, endpoint, string(manifest), namespace)
 }
 
 func (handler *Handler) cloneManifestContentFromGitRepo(gitInfo *kubernetesGitDeploymentPayload, projectPath string) (string, error) {

api/kubernetes/yaml.go

@@ -0,0 +1,112 @@
+package kubernetes
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"strconv"
+	"strings"
+
+	"github.com/pkg/errors"
+	"gopkg.in/yaml.v3"
+)
+
+type KubeAppLabels struct {
+	StackID int
+	Name    string
+	Owner   string
+	Kind    string
+}
+
+// AddAppLabels adds required labels to "Resource"->metadata->labels.
+// It'll add those labels to all Resource (nodes with a kind property exluding a list) it can find in provided yaml.
+// Items in the yaml file could either be organised as a list or broken into multi documents.
+func AddAppLabels(manifestYaml []byte, appLabels KubeAppLabels) ([]byte, error) {
+	if bytes.Equal(manifestYaml, []byte("")) {
+		return manifestYaml, nil
+	}
+
+	docs := make([][]byte, 0)
+	yamlDecoder := yaml.NewDecoder(bytes.NewReader(manifestYaml))
+
+	for {
+		m := make(map[string]interface{})
+		err := yamlDecoder.Decode(&m)
+
+		// if decoded document is empty
+		if m == nil {
+			continue
+		}
+
+		// if there are no more documents in the file
+		if errors.Is(err, io.EOF) {
+			break
+		}
+
+		addResourceLabels(m, appLabels)
+
+		var out bytes.Buffer
+		yamlEncoder := yaml.NewEncoder(&out)
+		yamlEncoder.SetIndent(2)
+		if err := yamlEncoder.Encode(m); err != nil {
+			return nil, errors.Wrap(err, "failed to marshal yaml manifest")
+		}
+
+		docs = append(docs, out.Bytes())
+	}
+
+	return bytes.Join(docs, []byte("---\n")), nil
+}
+
+func addResourceLabels(yamlDoc interface{}, appLabels KubeAppLabels) {
+	m, ok := yamlDoc.(map[string]interface{})
+	if !ok {
+		return
+	}
+
+	kind, ok := m["kind"]
+	if ok && !strings.EqualFold(kind.(string), "list") {
+		addLabels(m, appLabels)
+		return
+	}
+
+	for _, v := range m {
+		switch v.(type) {
+		case map[string]interface{}:
+			addResourceLabels(v, appLabels)
+		case []interface{}:
+			for _, item := range v.([]interface{}) {
+				addResourceLabels(item, appLabels)
+			}
+		}
+	}
+}
+
+func addLabels(obj map[string]interface{}, appLabels KubeAppLabels) {
+	metadata := make(map[string]interface{})
+	if m, ok := obj["metadata"]; ok {
+		metadata = m.(map[string]interface{})
+	}
+
+	labels := make(map[string]string)
+	if l, ok := metadata["labels"]; ok {
+		for k, v := range l.(map[string]interface{}) {
+			labels[k] = fmt.Sprintf("%v", v)
+		}
+	}
+
+	name := appLabels.Name
+	if appLabels.Name == "" {
+		if n, ok := metadata["name"]; ok {
+			name = n.(string)
+		}
+	}
+
+	labels["io.portainer.kubernetes.application.stackid"] = strconv.Itoa(appLabels.StackID)
+	labels["io.portainer.kubernetes.application.name"] = name
+	labels["io.portainer.kubernetes.application.owner"] = appLabels.Owner
+	labels["io.portainer.kubernetes.application.kind"] = appLabels.Kind
+
+	metadata["labels"] = labels
+	obj["metadata"] = metadata
+}

api/kubernetes/yaml_test.go

@@ -0,0 +1,493 @@
+package kubernetes
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_AddAppLabels(t *testing.T) {
+	tests := []struct {
+		name       string
+		input      string
+		wantOutput string
+	}{
+		{
+			name: "single deployment without labels",
+			input: `apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: busybox
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: busybox
+  template:
+    metadata:
+      labels:
+        app: busybox
+    spec:
+      containers:
+        - image: busybox
+          name: busybox
+`,
+			wantOutput: `apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    io.portainer.kubernetes.application.kind: git
+    io.portainer.kubernetes.application.name: best-name
+    io.portainer.kubernetes.application.owner: best-owner
+    io.portainer.kubernetes.application.stackid: "123"
+  name: busybox
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: busybox
+  template:
+    metadata:
+      labels:
+        app: busybox
+    spec:
+      containers:
+        - image: busybox
+          name: busybox
+`,
+		},
+		{
+			name: "single deployment with existing labels",
+			input: `apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    foo: bar
+  name: busybox
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: busybox
+  template:
+    metadata:
+      labels:
+        app: busybox
+    spec:
+      containers:
+        - image: busybox
+          name: busybox
+`,
+			wantOutput: `apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    foo: bar
+    io.portainer.kubernetes.application.kind: git
+    io.portainer.kubernetes.application.name: best-name
+    io.portainer.kubernetes.application.owner: best-owner
+    io.portainer.kubernetes.application.stackid: "123"
+  name: busybox
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: busybox
+  template:
+    metadata:
+      labels:
+        app: busybox
+    spec:
+      containers:
+        - image: busybox
+          name: busybox
+`,
+		},
+		{
+			name: "complex kompose output",
+			input: `apiVersion: v1
+items:
+  - apiVersion: v1
+    kind: Service
+    metadata:
+      creationTimestamp: null
+      labels:
+        io.kompose.service: web
+      name: web
+    spec:
+      ports:
+        - name: "5000"
+          port: 5000
+          targetPort: 5000
+      selector:
+        io.kompose.service: web
+    status:
+      loadBalancer: {}
+  - apiVersion: apps/v1
+    kind: Deployment
+    metadata:
+      creationTimestamp: null
+      labels:
+        io.kompose.service: redis
+      name: redis
+    spec:
+      replicas: 1
+      selector:
+        matchLabels:
+          io.kompose.service: redis
+      strategy: {}
+      template:
+        metadata:
+          creationTimestamp: null
+          labels:
+            io.kompose.service: redis
+    status: {}
+  - apiVersion: apps/v1
+    kind: Deployment
+    metadata:
+      creationTimestamp: null
+      name: web
+    spec:
+      replicas: 1
+      selector:
+        matchLabels:
+          io.kompose.service: web
+      strategy:
+        type: Recreate
+      template:
+        metadata:
+          creationTimestamp: null
+          labels:
+            io.kompose.service: web
+    status: {}
+kind: List
+metadata: {}
+`,
+			wantOutput: `apiVersion: v1
+items:
+  - apiVersion: v1
+    kind: Service
+    metadata:
+      creationTimestamp: null
+      labels:
+        io.kompose.service: web
+        io.portainer.kubernetes.application.kind: git
+        io.portainer.kubernetes.application.name: best-name
+        io.portainer.kubernetes.application.owner: best-owner
+        io.portainer.kubernetes.application.stackid: "123"
+      name: web
+    spec:
+      ports:
+        - name: "5000"
+          port: 5000
+          targetPort: 5000
+      selector:
+        io.kompose.service: web
+    status:
+      loadBalancer: {}
+  - apiVersion: apps/v1
+    kind: Deployment
+    metadata:
+      creationTimestamp: null
+      labels:
+        io.kompose.service: redis
+        io.portainer.kubernetes.application.kind: git
+        io.portainer.kubernetes.application.name: best-name
+        io.portainer.kubernetes.application.owner: best-owner
+        io.portainer.kubernetes.application.stackid: "123"
+      name: redis
+    spec:
+      replicas: 1
+      selector:
+        matchLabels:
+          io.kompose.service: redis
+      strategy: {}
+      template:
+        metadata:
+          creationTimestamp: null
+          labels:
+            io.kompose.service: redis
+    status: {}
+  - apiVersion: apps/v1
+    kind: Deployment
+    metadata:
+      creationTimestamp: null
+      labels:
+        io.portainer.kubernetes.application.kind: git
+        io.portainer.kubernetes.application.name: best-name
+        io.portainer.kubernetes.application.owner: best-owner
+        io.portainer.kubernetes.application.stackid: "123"
+      name: web
+    spec:
+      replicas: 1
+      selector:
+        matchLabels:
+          io.kompose.service: web
+      strategy:
+        type: Recreate
+      template:
+        metadata:
+          creationTimestamp: null
+          labels:
+            io.kompose.service: web
+    status: {}
+kind: List
+metadata: {}
+`,
+		},
+		{
+			name: "multiple items separated by ---",
+			input: `apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: busybox
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: busybox
+  template:
+    metadata:
+      labels:
+        app: busybox
+    spec:
+      containers:
+        - image: busybox
+          name: busybox
+---
+apiVersion: v1
+kind: Service
+metadata:
+  creationTimestamp: null
+  labels:
+    io.kompose.service: web
+  name: web
+spec:
+  ports:
+    - name: "5000"
+      port: 5000
+      targetPort: 5000
+  selector:
+    io.kompose.service: web
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    foo: bar
+  name: busybox
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: busybox
+  template:
+    metadata:
+      labels:
+        app: busybox
+    spec:
+      containers:
+        - image: busybox
+          name: busybox
+`,
+			wantOutput: `apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    io.portainer.kubernetes.application.kind: git
+    io.portainer.kubernetes.application.name: best-name
+    io.portainer.kubernetes.application.owner: best-owner
+    io.portainer.kubernetes.application.stackid: "123"
+  name: busybox
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: busybox
+  template:
+    metadata:
+      labels:
+        app: busybox
+    spec:
+      containers:
+        - image: busybox
+          name: busybox
+---
+apiVersion: v1
+kind: Service
+metadata:
+  creationTimestamp: null
+  labels:
+    io.kompose.service: web
+    io.portainer.kubernetes.application.kind: git
+    io.portainer.kubernetes.application.name: best-name
+    io.portainer.kubernetes.application.owner: best-owner
+    io.portainer.kubernetes.application.stackid: "123"
+  name: web
+spec:
+  ports:
+    - name: "5000"
+      port: 5000
+      targetPort: 5000
+  selector:
+    io.kompose.service: web
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    foo: bar
+    io.portainer.kubernetes.application.kind: git
+    io.portainer.kubernetes.application.name: best-name
+    io.portainer.kubernetes.application.owner: best-owner
+    io.portainer.kubernetes.application.stackid: "123"
+  name: busybox
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: busybox
+  template:
+    metadata:
+      labels:
+        app: busybox
+    spec:
+      containers:
+        - image: busybox
+          name: busybox
+`,
+		},
+		{
+			name:       "empty",
+			input:      "",
+			wantOutput: "",
+		},
+		{
+			name: "no only deployments",
+			input: `apiVersion: v1
+kind: Service
+metadata:
+  creationTimestamp: null
+  labels:
+    io.kompose.service: web
+  name: web
+spec:
+  ports:
+    - name: "5000"
+      port: 5000
+      targetPort: 5000
+  selector:
+    io.kompose.service: web
+`,
+			wantOutput: `apiVersion: v1
+kind: Service
+metadata:
+  creationTimestamp: null
+  labels:
+    io.kompose.service: web
+    io.portainer.kubernetes.application.kind: git
+    io.portainer.kubernetes.application.name: best-name
+    io.portainer.kubernetes.application.owner: best-owner
+    io.portainer.kubernetes.application.stackid: "123"
+  name: web
+spec:
+  ports:
+    - name: "5000"
+      port: 5000
+      targetPort: 5000
+  selector:
+    io.kompose.service: web
+`,
+		},
+	}
+
+	labels := KubeAppLabels{
+		StackID: 123,
+		Name:    "best-name",
+		Owner:   "best-owner",
+		Kind:    "git",
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result, err := AddAppLabels([]byte(tt.input), labels)
+			assert.NoError(t, err)
+			assert.Equal(t, tt.wantOutput, string(result))
+		})
+	}
+}
+
+func Test_AddAppLabels_PickingName_WhenLabelNameIsEmpty(t *testing.T) {
+	labels := KubeAppLabels{
+		StackID: 123,
+		Owner:   "best-owner",
+		Kind:    "git",
+	}
+
+	input := `apiVersion: v1
+kind: Service
+metadata:
+  name: web
+spec:
+  ports:
+    - name: "5000"
+      port: 5000
+      targetPort: 5000
+`
+
+	expected := `apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    io.portainer.kubernetes.application.kind: git
+    io.portainer.kubernetes.application.name: web
+    io.portainer.kubernetes.application.owner: best-owner
+    io.portainer.kubernetes.application.stackid: "123"
+  name: web
+spec:
+  ports:
+    - name: "5000"
+      port: 5000
+      targetPort: 5000
+`
+
+	result, err := AddAppLabels([]byte(input), labels)
+	assert.NoError(t, err)
+	assert.Equal(t, expected, string(result))
+}
+
+func Test_AddAppLabels_PickingName_WhenLabelAndMetadataNameAreEmpty(t *testing.T) {
+	labels := KubeAppLabels{
+		StackID: 123,
+		Owner:   "best-owner",
+		Kind:    "git",
+	}
+
+	input := `apiVersion: v1
+kind: Service
+spec:
+  ports:
+    - name: "5000"
+      port: 5000
+      targetPort: 5000
+`
+
+	expected := `apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    io.portainer.kubernetes.application.kind: git
+    io.portainer.kubernetes.application.name: ""
+    io.portainer.kubernetes.application.owner: best-owner
+    io.portainer.kubernetes.application.stackid: "123"
+spec:
+  ports:
+    - name: "5000"
+      port: 5000
+      targetPort: 5000
+`
+
+	result, err := AddAppLabels([]byte(input), labels)
+	assert.NoError(t, err)
+	assert.Equal(t, expected, string(result))
+}

api/portainer.go

@@ -1243,7 +1243,7 @@ type (
 	// KubernetesDeployer represents a service to deploy a manifest inside a Kubernetes endpoint
 	KubernetesDeployer interface {
 		Deploy(request *http.Request, endpoint *Endpoint, data string, namespace string) (string, error)
-		ConvertCompose(data string) ([]byte, error)
+		ConvertCompose(data []byte) ([]byte, error)
 	}
 
 	// KubernetesSnapshotter represents a service used to create Kubernetes endpoint snapshots

app/kubernetes/__module.js

@@ -1,6 +1,7 @@
 import registriesModule from './registries';
+import customTemplateModule from './custom-templates';
 
-angular.module('portainer.kubernetes', ['portainer.app', registriesModule]).config([
+angular.module('portainer.kubernetes', ['portainer.app', registriesModule, customTemplateModule]).config([
   '$stateRegistryProvider',
   function ($stateRegistryProvider) {
     'use strict';
@@ -208,12 +209,15 @@ angular.module('portainer.kubernetes', ['portainer.app', registriesModule]).conf
 
     const deploy = {
       name: 'kubernetes.deploy',
-      url: '/deploy',
+      url: '/deploy?templateId',
       views: {
         'content@': {
           component: 'kubernetesDeployView',
         },
       },
+      params: {
+        templateId: '',
+      },
     };
 
     const resourcePools = {

app/kubernetes/components/datatables/applications-datatable/applicationsDatatable.html

@@ -162,7 +162,7 @@
                 <span class="label label-info image-tag label-margins" ng-if="$ctrl.isSystemNamespace(item)">system</span>
                 <span class="label label-primary image-tag label-margins" ng-if="!$ctrl.isSystemNamespace(item) && $ctrl.isExternalApplication(item)">external</span>
               </td>
-              <td>{{ item.StackName }}</td>
+              <td>{{ item.StackName || '-' }}</td>
               <td>
                 <a ui-sref="kubernetes.resourcePools.resourcePool({ id: item.ResourcePool })">{{ item.ResourcePool }}</a>
               </td>

app/kubernetes/components/datatables/integrated-applications-datatable/integratedApplicationsDatatable.html

@@ -91,7 +91,7 @@
               <td
                 ><a ui-sref="kubernetes.applications.application({ name: item.Name, namespace: item.ResourcePool })">{{ item.Name }}</a></td
               >
-              <td>{{ item.StackName }}</td>
+              <td>{{ item.StackName || '-' }}</td>
               <td title="{{ item.Image }}">{{ item.Image | truncate: 64 }}</td>
             </tr>
             <tr ng-if="!$ctrl.dataset">

app/kubernetes/components/datatables/node-applications-datatable/nodeApplicationsDatatable.html

@@ -114,7 +114,7 @@
                 <span style="margin-left: 5px;" class="label label-info image-tag" ng-if="$ctrl.isSystemNamespace(item)">system</span>
                 <span style="margin-left: 5px;" class="label label-primary image-tag" ng-if="!$ctrl.isSystemNamespace(item) && $ctrl.isExternalApplication(item)">external</span>
               </td>
-              <td>{{ item.StackName }}</td>
+              <td>{{ item.StackName || '-' }}</td>
               <td>
                 <a ui-sref="kubernetes.resourcePools.resourcePool({ id: item.ResourcePool })">{{ item.ResourcePool }}</a>
               </td>

app/kubernetes/components/datatables/resource-pool-applications-datatable/resourcePoolApplicationsDatatable.html

@@ -106,7 +106,7 @@
                 <a ui-sref="kubernetes.applications.application({ name: item.Name, namespace: item.ResourcePool })">{{ item.Name }}</a>
                 <span style="margin-left: 5px;" class="label label-primary image-tag" ng-if="$ctrl.isExternalApplication(item)">external</span>
               </td>
-              <td>{{ item.StackName }}</td>
+              <td>{{ item.StackName || '-' }}</td>
               <td title="{{ item.Image }}"
                 >{{ item.Image | truncate: 64 }} <span ng-if="item.Containers.length > 1">+ {{ item.Containers.length - 1 }}</span></td
               >

app/kubernetes/components/kubernetes-sidebar/kubernetes-sidebar.html

@@ -8,6 +8,16 @@
   Dashboard
 </sidebar-menu-item>
 
+<sidebar-menu-item
+  path="kubernetes.templates.custom"
+  path-params="{ endpointId: $ctrl.endpointId }"
+  icon-class="fa-rocket fa-fw"
+  class-name="sidebar-list"
+  data-cy="k8sSidebar-customTemplates"
+>
+  Custom Templates
+</sidebar-menu-item>
+
 <sidebar-menu-item
   path="kubernetes.resourcePools"
   path-params="{ endpointId: $ctrl.endpointId }"

app/kubernetes/converters/application.js

@@ -14,6 +14,7 @@ import {
   KubernetesPortainerApplicationNote,
   KubernetesPortainerApplicationOwnerLabel,
   KubernetesPortainerApplicationStackNameLabel,
+  KubernetesPortainerApplicationStackIdLabel,
 } from 'Kubernetes/models/application/models';
 import { KubernetesServiceTypes } from 'Kubernetes/models/service/models';
 import KubernetesResourceReservationHelper from 'Kubernetes/helpers/resourceReservationHelper';
@@ -54,10 +55,16 @@ class KubernetesApplicationConverter {
     const containers = data.spec.template ? _.without(_.concat(data.spec.template.spec.containers, data.spec.template.spec.initContainers), undefined) : data.spec.containers;
     res.Id = data.metadata.uid;
     res.Name = data.metadata.name;
-    res.StackName = data.metadata.labels ? data.metadata.labels[KubernetesPortainerApplicationStackNameLabel] || '-' : '-';
-    res.ApplicationOwner = data.metadata.labels ? data.metadata.labels[KubernetesPortainerApplicationOwnerLabel] || '' : '';
+
+    if (data.metadata.labels) {
+      const { labels } = data.metadata;
+      res.StackId = labels[KubernetesPortainerApplicationStackIdLabel] ? parseInt(labels[KubernetesPortainerApplicationStackIdLabel], 10) : null;
+      res.StackName = labels[KubernetesPortainerApplicationStackNameLabel] || '';
+      res.ApplicationOwner = labels[KubernetesPortainerApplicationOwnerLabel] || '';
+      res.ApplicationName = labels[KubernetesPortainerApplicationNameLabel] || res.Name;
+    }
+
     res.Note = data.metadata.annotations ? data.metadata.annotations[KubernetesPortainerApplicationNote] || '' : '';
-    res.ApplicationName = data.metadata.labels ? data.metadata.labels[KubernetesPortainerApplicationNameLabel] || res.Name : res.Name;
     res.ResourcePool = data.metadata.namespace;
     if (containers.length) {
       res.Image = containers[0].image;

app/kubernetes/custom-templates/index.js

@@ -0,0 +1,61 @@
+import angular from 'angular';
+
+import { kubeCustomTemplatesView } from './kube-custom-templates-view';
+import { kubeEditCustomTemplateView } from './kube-edit-custom-template-view';
+import { kubeCreateCustomTemplateView } from './kube-create-custom-template-view';
+
+export default angular
+  .module('portainer.kubernetes.custom-templates', [])
+  .config(config)
+  .component('kubeCustomTemplatesView', kubeCustomTemplatesView)
+  .component('kubeEditCustomTemplateView', kubeEditCustomTemplateView)
+  .component('kubeCreateCustomTemplateView', kubeCreateCustomTemplateView).name;
+
+function config($stateRegistryProvider) {
+  const templates = {
+    name: 'kubernetes.templates',
+    url: '/templates',
+    abstract: true,
+  };
+
+  const customTemplates = {
+    name: 'kubernetes.templates.custom',
+    url: '/custom',
+
+    views: {
+      'content@': {
+        component: 'kubeCustomTemplatesView',
+      },
+    },
+  };
+
+  const customTemplatesNew = {
+    name: 'kubernetes.templates.custom.new',
+    url: '/new?fileContent',
+
+    views: {
+      'content@': {
+        component: 'kubeCreateCustomTemplateView',
+      },
+    },
+    params: {
+      fileContent: '',
+    },
+  };
+
+  const customTemplatesEdit = {
+    name: 'kubernetes.templates.custom.edit',
+    url: '/:id',
+
+    views: {
+      'content@': {
+        component: 'kubeEditCustomTemplateView',
+      },
+    },
+  };
+
+  $stateRegistryProvider.register(templates);
+  $stateRegistryProvider.register(customTemplates);
+  $stateRegistryProvider.register(customTemplatesNew);
+  $stateRegistryProvider.register(customTemplatesEdit);
+}

app/kubernetes/custom-templates/kube-create-custom-template-view/index.js

@@ -0,0 +1,6 @@
+import controller from './kube-create-custom-template-view.controller.js';
+
+export const kubeCreateCustomTemplateView = {
+  templateUrl: './kube-create-custom-template-view.html',
+  controller,
+};

app/kubernetes/custom-templates/kube-create-custom-template-view/kube-create-custom-template-view.controller.js

@@ -0,0 +1,169 @@
+import { buildOption } from '@/portainer/components/box-selector';
+import { AccessControlFormData } from '@/portainer/components/accessControlForm/porAccessControlFormModel';
+
+class KubeCreateCustomTemplateViewController {
+  /* @ngInject */
+  constructor($async, $state, Authentication, CustomTemplateService, FormValidator, ModalService, Notifications, ResourceControlService) {
+    Object.assign(this, { $async, $state, Authentication, CustomTemplateService, FormValidator, ModalService, Notifications, ResourceControlService });
+
+    this.methodOptions = [
+      buildOption('method_editor', 'fa fa-edit', 'Web editor', 'Use our Web editor', 'editor'),
+      buildOption('method_upload', 'fa fa-upload', 'Upload', 'Upload from your computer', 'upload'),
+    ];
+
+    this.templates = null;
+
+    this.state = {
+      method: 'editor',
+      actionInProgress: false,
+      formValidationError: '',
+      isEditorDirty: false,
+    };
+
+    this.formValues = {
+      FileContent: '',
+      File: null,
+      Title: '',
+      Description: '',
+      Note: '',
+      Logo: '',
+      AccessControlData: new AccessControlFormData(),
+    };
+
+    this.onChangeFile = this.onChangeFile.bind(this);
+    this.onChangeFileContent = this.onChangeFileContent.bind(this);
+    this.onChangeMethod = this.onChangeMethod.bind(this);
+    this.onBeforeOnload = this.onBeforeOnload.bind(this);
+  }
+
+  onChangeMethod(method) {
+    this.state.method = method;
+  }
+
+  onChangeFileContent(content) {
+    this.formValues.FileContent = content;
+    this.state.isEditorDirty = true;
+  }
+
+  onChangeFile(file) {
+    this.formValues.File = file;
+  }
+
+  async createCustomTemplate() {
+    return this.$async(async () => {
+      const { method } = this.state;
+
+      if (!this.validateForm(method)) {
+        return;
+      }
+
+      this.state.actionInProgress = true;
+      try {
+        const customTemplate = await this.createCustomTemplateByMethod(method, this.formValues);
+
+        const accessControlData = this.formValues.AccessControlData;
+        const userDetails = this.Authentication.getUserDetails();
+        const userId = userDetails.ID;
+        await this.ResourceControlService.applyResourceControl(userId, accessControlData, customTemplate.ResourceControl);
+
+        this.Notifications.success('Custom template successfully created');
+        this.state.isEditorDirty = false;
+        this.$state.go('kubernetes.templates.custom');
+      } catch (err) {
+        this.Notifications.error('Failure', err, 'Failed creating custom template');
+      } finally {
+        this.state.actionInProgress = false;
+      }
+    });
+  }
+
+  createCustomTemplateByMethod(method, template) {
+    template.Type = 3;
+
+    switch (method) {
+      case 'editor':
+        return this.createCustomTemplateFromFileContent(template);
+      case 'upload':
+        return this.createCustomTemplateFromFileUpload(template);
+    }
+  }
+
+  createCustomTemplateFromFileContent(template) {
+    return this.CustomTemplateService.createCustomTemplateFromFileContent(template);
+  }
+
+  createCustomTemplateFromFileUpload(template) {
+    return this.CustomTemplateService.createCustomTemplateFromFileUpload(template);
+  }
+
+  validateForm(method) {
+    this.state.formValidationError = '';
+
+    if (method === 'editor' && this.formValues.FileContent === '') {
+      this.state.formValidationError = 'Template file content must not be empty';
+      return false;
+    }
+
+    const title = this.formValues.Title;
+    const isNotUnique = this.templates.some((template) => template.Title === title);
+    if (isNotUnique) {
+      this.state.formValidationError = 'A template with the same name already exists';
+      return false;
+    }
+
+    const isAdmin = this.Authentication.isAdmin();
+    const accessControlData = this.formValues.AccessControlData;
+    const error = this.FormValidator.validateAccessControl(accessControlData, isAdmin);
+
+    if (error) {
+      this.state.formValidationError = error;
+      return false;
+    }
+
+    return true;
+  }
+
+  async $onInit() {
+    return this.$async(async () => {
+      const { fileContent, type } = this.$state.params;
+
+      this.formValues.FileContent = fileContent;
+      if (type) {
+        this.formValues.Type = +type;
+      }
+
+      try {
+        this.templates = await this.CustomTemplateService.customTemplates(3);
+      } catch (err) {
+        this.Notifications.error('Failure loading', err, 'Failed loading custom templates');
+      }
+
+      this.state.loading = false;
+
+      window.addEventListener('beforeunload', this.onBeforeOnload);
+    });
+  }
+
+  $onDestroy() {
+    window.removeEventListener('beforeunload', this.onBeforeOnload);
+  }
+
+  isEditorDirty() {
+    return this.state.method === 'editor' && this.formValues.FileContent && this.state.isEditorDirty;
+  }
+
+  onBeforeOnload(event) {
+    if (this.isEditorDirty()) {
+      event.preventDefault();
+      event.returnValue = '';
+    }
+  }
+
+  uiCanExit() {
+    if (this.isEditorDirty()) {
+      return this.ModalService.confirmWebEditorDiscard();
+    }
+  }
+}
+
+export default KubeCreateCustomTemplateViewController;

app/kubernetes/custom-templates/kube-create-custom-template-view/kube-create-custom-template-view.html

@@ -0,0 +1,71 @@
+<rd-header>
+  <rd-header-title title-text="Create Custom template"></rd-header-title>
+  <rd-header-content> <a ui-sref="kubernetes.templates.custom">Custom Templates</a> &gt; Create Custom template </rd-header-content>
+</rd-header>
+
+<div class="row">
+  <div class="col-sm-12">
+    <rd-widget>
+      <rd-widget-body>
+        <form class="form-horizontal" name="$ctrl.form">
+          <custom-template-common-fields form-values="$ctrl.formValues"></custom-template-common-fields>
+
+          <!-- build-method -->
+          <div class="col-sm-12 form-section-title">
+            Build method
+          </div>
+          <box-selector radio-name="method" ng-model="$ctrl.state.method" options="$ctrl.methodOptions" on-change="($ctrl.onChangeMethod)"></box-selector>
+
+          <web-editor-form
+            ng-if="$ctrl.state.method === 'editor'"
+            identifier="template-creation-editor"
+            value="$ctrl.formValues.FileContent"
+            on-change="($ctrl.onChangeFileContent)"
+            ng-required="true"
+            yml="true"
+            placeholder="# Define or paste the content of your manifest file here"
+          >
+            <editor-description>
+              <p>Templates allow deploying any kind of Kubernetes resource (Deployment, Secret, ConfigMap...)</p>
+              <p>
+                You can get more information about Kubernetes file format in the
+                <a href="https://kubernetes.io/docs/concepts/overview/working-with-objects/kubernetes-objects/" target="_blank">official documentation</a>.
+              </p>
+            </editor-description>
+          </web-editor-form>
+
+          <file-upload-form ng-if="$ctrl.state.method === 'upload'" file="$ctrl.formValues.File" on-change="($ctrl.onChangeFile)" ng-required="true">
+            <file-upload-description>
+              You can upload a Manifest file from your computer.
+            </file-upload-description>
+          </file-upload-form>
+
+          <por-access-control-form form-data="$ctrl.formValues.AccessControlData"></por-access-control-form>
+
+          <!-- actions -->
+          <div class="col-sm-12 form-section-title">
+            Actions
+          </div>
+          <div class="form-group">
+            <div class="col-sm-12">
+              <button
+                type="button"
+                class="btn btn-primary btn-sm"
+                ng-disabled="$ctrl.state.actionInProgress || $ctrl.form.$invalid || ($ctrl.state.method === 'editor' && !$ctrl.formValues.FileContent)"
+                ng-click="$ctrl.createCustomTemplate()"
+                button-spinner="$ctrl.state.actionInProgress"
+              >
+                <span ng-hide="$ctrl.state.actionInProgress">Create custom template</span>
+                <span ng-show="$ctrl.state.actionInProgress">Creation in progress...</span>
+              </button>
+              <span class="text-danger" ng-if="$ctrl.state.formValidationError" style="margin-left: 5px;">
+                {{ $ctrl.state.formValidationError }}
+              </span>
+            </div>
+          </div>
+          <!-- !actions -->
+        </form>
+      </rd-widget-body>
+    </rd-widget>
+  </div>
+</div>

app/kubernetes/custom-templates/kube-custom-templates-view/index.js

@@ -0,0 +1,6 @@
+import controller from './kube-custom-templates-view.controller.js';
+
+export const kubeCustomTemplatesView = {
+  templateUrl: './kube-custom-templates-view.html',
+  controller,
+};

app/kubernetes/custom-templates/kube-custom-templates-view/kube-custom-templates-view.controller.js

@@ -0,0 +1,79 @@
+import _ from 'lodash-es';
+
+export default class KubeCustomTemplatesViewController {
+  /* @ngInject */
+  constructor($async, $state, Authentication, CustomTemplateService, FormValidator, ModalService, Notifications) {
+    Object.assign(this, { $async, $state, Authentication, CustomTemplateService, FormValidator, ModalService, Notifications });
+
+    this.state = {
+      selectedTemplate: null,
+      formValidationError: '',
+      actionInProgress: false,
+    };
+
+    this.currentUser = {
+      isAdmin: false,
+      id: null,
+    };
+
+    this.isEditAllowed = this.isEditAllowed.bind(this);
+    this.getTemplates = this.getTemplates.bind(this);
+    this.validateForm = this.validateForm.bind(this);
+    this.confirmDelete = this.confirmDelete.bind(this);
+    this.selectTemplate = this.selectTemplate.bind(this);
+  }
+
+  selectTemplate(template) {
+    this.$state.go('kubernetes.deploy', { templateId: template.Id });
+  }
+
+  isEditAllowed(template) {
+    // todo - check if current user is admin/endpointadmin/owner
+    return this.currentUser.isAdmin || this.currentUser.id === template.CreatedByUserId;
+  }
+
+  getTemplates() {
+    return this.$async(async () => {
+      try {
+        this.templates = await this.CustomTemplateService.customTemplates(3);
+      } catch (err) {
+        this.Notifications.error('Failed loading templates', err, 'Unable to load custom templates');
+      }
+    });
+  }
+
+  validateForm(accessControlData, isAdmin) {
+    this.state.formValidationError = '';
+    const error = this.FormValidator.validateAccessControl(accessControlData, isAdmin);
+
+    if (error) {
+      this.state.formValidationError = error;
+      return false;
+    }
+    return true;
+  }
+
+  confirmDelete(templateId) {
+    return this.$async(async () => {
+      const confirmed = await this.ModalService.confirmDeletionAsync('Are you sure that you want to delete this template?');
+      if (!confirmed) {
+        return;
+      }
+
+      try {
+        await this.CustomTemplateService.remove(templateId);
+        _.remove(this.templates, { Id: templateId });
+      } catch (err) {
+        this.Notifications.error('Failure', err, 'Failed to delete template');
+      }
+    });
+  }
+
+  $onInit() {
+    this.getTemplates();
+
+    this.currentUser.isAdmin = this.Authentication.isAdmin();
+    const user = this.Authentication.getUserDetails();
+    this.currentUser.id = user.ID;
+  }
+}

app/kubernetes/custom-templates/kube-custom-templates-view/kube-custom-templates-view.html

@@ -0,0 +1,25 @@
+<rd-header id="view-top">
+  <rd-header-title title-text="Custom Templates">
+    <a data-toggle="tooltip" title="Refresh" ui-sref="kubernetes.templates.custom" ui-sref-opts="{reload: true}">
+      <i class="fa fa-sync" aria-hidden="true"></i>
+    </a>
+  </rd-header-title>
+  <rd-header-content>Custom Templates</rd-header-content>
+</rd-header>
+
+<div class="row">
+  <div class="col-sm-12">
+    <custom-templates-list
+      ng-if="$ctrl.templates"
+      title-text="Templates"
+      title-icon="fa-rocket"
+      templates="$ctrl.templates"
+      table-key="customTemplates"
+      is-edit-allowed="$ctrl.isEditAllowed"
+      on-select-click="($ctrl.selectTemplate)"
+      on-delete-click="($ctrl.confirmDelete)"
+      create-path="kubernetes.templates.custom.new"
+      edit-path="kubernetes.templates.custom.edit"
+    ></custom-templates-list>
+  </div>
+</div>

app/kubernetes/custom-templates/kube-edit-custom-template-view/index.js

@@ -0,0 +1,6 @@
+import controller from './kube-edit-custom-template-view.controller.js';
+
+export const kubeEditCustomTemplateView = {
+  templateUrl: './kube-edit-custom-template-view.html',
+  controller,
+};

app/kubernetes/custom-templates/kube-edit-custom-template-view/kube-edit-custom-template-view.controller.js

@@ -0,0 +1,143 @@
+import { AccessControlFormData } from '@/portainer/components/accessControlForm/porAccessControlFormModel';
+import { ResourceControlViewModel } from '@/portainer/models/resourceControl/resourceControl';
+
+class KubeEditCustomTemplateViewController {
+  /* @ngInject */
+  constructor($async, $state, ModalService, Authentication, CustomTemplateService, FormValidator, Notifications, ResourceControlService) {
+    Object.assign(this, { $async, $state, ModalService, Authentication, CustomTemplateService, FormValidator, Notifications, ResourceControlService });
+
+    this.formValues = null;
+    this.state = {
+      formValidationError: '',
+      isEditorDirty: false,
+    };
+    this.templates = [];
+
+    this.getTemplate = this.getTemplate.bind(this);
+    this.submitAction = this.submitAction.bind(this);
+    this.onChangeFileContent = this.onChangeFileContent.bind(this);
+    this.onBeforeUnload = this.onBeforeUnload.bind(this);
+  }
+
+  getTemplate() {
+    return this.$async(async () => {
+      try {
+        const { id } = this.$state.params;
+
+        const [template, file] = await Promise.all([this.CustomTemplateService.customTemplate(id), this.CustomTemplateService.customTemplateFile(id)]);
+        template.FileContent = file;
+        this.formValues = template;
+        this.oldFileContent = this.formValues.FileContent;
+
+        this.formValues.ResourceControl = new ResourceControlViewModel(template.ResourceControl);
+        this.formValues.AccessControlData = new AccessControlFormData();
+      } catch (err) {
+        this.Notifications.error('Failure', err, 'Unable to retrieve custom template data');
+      }
+    });
+  }
+
+  validateForm() {
+    this.state.formValidationError = '';
+
+    if (!this.formValues.FileContent) {
+      this.state.formValidationError = 'Template file content must not be empty';
+      return false;
+    }
+
+    const title = this.formValues.Title;
+    const id = this.$state.params.id;
+
+    const isNotUnique = this.templates.some((template) => template.Title === title && template.Id != id);
+    if (isNotUnique) {
+      this.state.formValidationError = `A template with the name ${title} already exists`;
+      return false;
+    }
+
+    const isAdmin = this.Authentication.isAdmin();
+    const accessControlData = this.formValues.AccessControlData;
+    const error = this.FormValidator.validateAccessControl(accessControlData, isAdmin);
+
+    if (error) {
+      this.state.formValidationError = error;
+      return false;
+    }
+
+    return true;
+  }
+
+  submitAction() {
+    return this.$async(async () => {
+      if (!this.validateForm()) {
+        return;
+      }
+
+      this.actionInProgress = true;
+      try {
+        await this.CustomTemplateService.updateCustomTemplate(this.formValues.Id, this.formValues);
+
+        const userDetails = this.Authentication.getUserDetails();
+        const userId = userDetails.ID;
+        await this.ResourceControlService.applyResourceControl(userId, this.formValues.AccessControlData, this.formValues.ResourceControl);
+
+        this.Notifications.success('Custom template successfully updated');
+        this.state.isEditorDirty = false;
+        this.$state.go('kubernetes.templates.custom');
+      } catch (err) {
+        this.Notifications.error('Failure', err, 'Unable to update custom template');
+      } finally {
+        this.actionInProgress = false;
+      }
+    });
+  }
+
+  onChangeFileContent(value) {
+    if (stripSpaces(this.formValues.FileContent) !== stripSpaces(value)) {
+      this.formValues.FileContent = value;
+      this.state.isEditorDirty = true;
+    }
+  }
+
+  async $onInit() {
+    this.$async(async () => {
+      this.getTemplate();
+
+      try {
+        this.templates = await this.CustomTemplateService.customTemplates();
+      } catch (err) {
+        this.Notifications.error('Failure loading', err, 'Failed loading custom templates');
+      }
+
+      window.addEventListener('beforeunload', this.onBeforeUnload);
+    });
+  }
+
+  isEditorDirty() {
+    return this.formValues.FileContent !== this.oldFileContent && this.state.isEditorDirty;
+  }
+
+  uiCanExit() {
+    if (this.isEditorDirty()) {
+      return this.ModalService.confirmWebEditorDiscard();
+    }
+  }
+
+  onBeforeUnload(event) {
+    if (this.formValues.FileContent !== this.oldFileContent && this.state.isEditorDirty) {
+      event.preventDefault();
+      event.returnValue = '';
+
+      return '';
+    }
+  }
+
+  $onDestroy() {
+    window.removeEventListener('beforeunload', this.onBeforeUnload);
+  }
+}
+
+export default KubeEditCustomTemplateViewController;
+
+function stripSpaces(str = '') {
+  return str.replace(/(\r\n|\n|\r)/gm, '');
+}

app/kubernetes/custom-templates/kube-edit-custom-template-view/kube-edit-custom-template-view.html

@@ -0,0 +1,60 @@
+<rd-header>
+  <rd-header-title title-text="Edit Custom Template">
+    <a data-toggle="tooltip" title="Refresh" ui-sref="kubernetes.templates.custom.edit({id:$ctrl.formValues.Id})" ui-sref-opts="{reload: true}">
+      <i class="fa fa-sync" aria-hidden="true"></i>
+    </a>
+  </rd-header-title>
+  <rd-header-content> <a ui-sref="kubernetes.templates.custom">Custom templates</a> &gt; {{ $ctrl.formValues.Title }} </rd-header-content>
+</rd-header>
+
+<div class="row" ng-if="$ctrl.formValues">
+  <div class="col-sm-12">
+    <rd-widget>
+      <rd-widget-body>
+        <form class="form-horizontal" name="$ctrl.form">
+          <custom-template-common-fields form-values="$ctrl.formValues"></custom-template-common-fields>
+
+          <web-editor-form
+            identifier="template-editor"
+            value="$ctrl.formValues.FileContent"
+            on-change="($ctrl.onChangeFileContent)"
+            ng-required="true"
+            yml="true"
+            placeholder="# Define or paste the content of your manifest file here"
+          >
+            <editor-description>
+              <p>Templates allow deploying any kind of Kubernetes resource (Deployment, Secret, ConfigMap...)</p>
+              <p>
+                You can get more information about Kubernetes file format in the
+                <a href="https://kubernetes.io/docs/concepts/overview/working-with-objects/kubernetes-objects/" target="_blank">official documentation</a>.
+              </p>
+            </editor-description>
+          </web-editor-form>
+
+          <por-access-control-form form-data="$ctrl.formValues.AccessControlData" resource-control="$ctrl.formValues.ResourceControl"></por-access-control-form>
+
+          <div class="col-sm-12 form-section-title">
+            Actions
+          </div>
+          <div class="form-group">
+            <div class="col-sm-12">
+              <button
+                type="button"
+                class="btn btn-primary btn-sm"
+                ng-disabled="$ctrl.actionInProgress || $ctrl.form.$invalid || !$ctrl.formValues.Title || !$ctrl.formValues.FileContent"
+                ng-click="$ctrl.submitAction()"
+                button-spinner="$ctrl.actionInProgress"
+              >
+                <span ng-hide="$ctrl.actionInProgress">Update the template</span>
+                <span ng-show="$ctrl.actionInProgress">Update in progress...</span>
+              </button>
+              <span class="text-danger" ng-if="$ctrl.state.formValidationError" style="margin-left: 5px;">
+                {{ $ctrl.state.formValidationError }}
+              </span>
+            </div>
+          </div>
+        </form>
+      </rd-widget-body>
+    </rd-widget>
+  </div>
+</div>

app/kubernetes/helpers/stackHelper.js

@@ -6,7 +6,7 @@ class KubernetesStackHelper {
     const res = _.reduce(
       applications,
       (acc, app) => {
-        if (app.StackName !== '-') {
+        if (app.StackName) {
           let stack = _.find(acc, { Name: app.StackName, ResourcePool: app.ResourcePool });
           if (!stack) {
             stack = new KubernetesStack();

app/kubernetes/models/application/models/constants.js

@@ -40,6 +40,7 @@ export const KubernetesApplicationQuotaDefaults = {
 };
 
 export const KubernetesPortainerApplicationStackNameLabel = 'io.portainer.kubernetes.application.stack';
+export const KubernetesPortainerApplicationStackIdLabel = 'io.portainer.kubernetes.application.stackid';
 
 export const KubernetesPortainerApplicationNameLabel = 'io.portainer.kubernetes.application.name';
 

app/kubernetes/models/deploy.js

@@ -6,6 +6,7 @@ export const KubernetesDeployManifestTypes = Object.freeze({
 export const KubernetesDeployBuildMethods = Object.freeze({
   GIT: 1,
   WEB_EDITOR: 2,
+  CUSTOM_TEMPLATE: 3,
 });
 
 export const KubernetesDeployRequestMethods = Object.freeze({

app/kubernetes/views/applications/edit/application.html

@@ -26,7 +26,7 @@
                     </tr>
                     <tr>
                       <td>Stack</td>
-                      <td>{{ ctrl.application.StackName }}</td>
+                      <td>{{ ctrl.application.StackName || '-' }}</td>
                     </tr>
                     <tr>
                       <td>Namespace</td>
@@ -191,21 +191,15 @@
     <div class="col-sm-12">
       <rd-widget>
         <rd-widget-body>
-          <div ng-if="!ctrl.isSystemNamespace()">
-            <button
-              ng-if="!ctrl.isExternalApplication()"
-              type="button"
-              class="btn btn-sm btn-primary"
-              ui-sref="kubernetes.applications.application.edit"
-              style="margin-left: 0; margin-bottom: 15px;"
-            >
+          <div ng-if="!ctrl.isSystemNamespace()" style="margin-bottom: 15px;">
+            <button ng-if="!ctrl.isExternalApplication()" type="button" class="btn btn-sm btn-primary" ui-sref="kubernetes.applications.application.edit" style="margin-left: 0;">
               <i class="fa fa-file-code space-right" aria-hidden="true"></i>Edit this application
             </button>
             <button
               ng-if="ctrl.application.ApplicationType !== ctrl.KubernetesApplicationTypes.POD"
               type="button"
               class="btn btn-sm btn-primary"
-              style="margin-left: 0; margin-bottom: 15px;"
+              style="margin-left: 0;"
               ng-click="ctrl.redeployApplication()"
             >
               <i class="fa fa-redo space-right" aria-hidden="true"></i>Redeploy
@@ -214,12 +208,19 @@
               ng-if="!ctrl.isExternalApplication()"
               type="button"
               class="btn btn-sm btn-primary"
-              style="margin-left: 0; margin-bottom: 15px;"
+              style="margin-left: 0;"
               ng-click="ctrl.rollbackApplication()"
               ng-disabled="ctrl.application.Revisions.length < 2"
             >
               <i class="fas fa-history space-right" aria-hidden="true"></i>Rollback to previous configuration
             </button>
+            <a
+              ng-if="ctrl.isStack() && ctrl.stackFileContent"
+              class="btn btn-sm btn-primary space-left"
+              ui-sref="kubernetes.templates.custom.new({fileContent: ctrl.stackFileContent})"
+            >
+              <i class="fas fa-plus space-right" aria-hidden="true"></i>Create template from application
+            </a>
           </div>
 
           <!-- ACCESSING APPLICATION -->

app/kubernetes/views/applications/edit/applicationController.js

@@ -107,7 +107,8 @@ class KubernetesApplicationController {
     KubernetesStackService,
     KubernetesPodService,
     KubernetesNodeService,
-    EndpointProvider
+    EndpointProvider,
+    StackService
   ) {
     this.$async = $async;
     this.$state = $state;
@@ -115,6 +116,7 @@ class KubernetesApplicationController {
     this.Notifications = Notifications;
     this.LocalStorage = LocalStorage;
     this.ModalService = ModalService;
+    this.StackService = StackService;
 
     this.KubernetesApplicationService = KubernetesApplicationService;
     this.KubernetesEventService = KubernetesEventService;
@@ -193,6 +195,10 @@ class KubernetesApplicationController {
     return !rule.Host && !rule.IP ? false : true;
   }
 
+  isStack() {
+    return this.application.StackId;
+  }
+
   /**
    * ROLLBACK
    */
@@ -308,6 +314,11 @@ class KubernetesApplicationController {
 
       this.placements = computePlacements(nodes, this.application);
       this.state.placementWarning = _.find(this.placements, { AcceptsApplication: true }) ? false : true;
+
+      if (application.StackId) {
+        const file = await this.StackService.getStackFile(application.StackId);
+        this.stackFileContent = file;
+      }
     } catch (err) {
       this.Notifications.error('Failure', err, 'Unable to retrieve application details');
     } finally {

app/kubernetes/views/deploy/deploy.html

@@ -23,16 +23,18 @@
                   </div>
                 </div>
 
-                <div class="col-sm-12 form-section-title">
-                  Deployment type
-                </div>
-                <box-selector radio-name="deploy" ng-model="ctrl.state.DeployType" options="ctrl.deployOptions" data-cy="k8sAppDeploy-deploymentSelector"></box-selector>
-
                 <div class="col-sm-12 form-section-title">
                   Build method
                 </div>
                 <box-selector radio-name="method" ng-model="ctrl.state.BuildMethod" options="ctrl.methodOptions" data-cy="k8sAppDeploy-buildSelector"></box-selector>
 
+                <div ng-if="ctrl.state.BuildMethod !== ctrl.BuildMethods.CUSTOM_TEMPLATE">
+                  <div class="col-sm-12 form-section-title">
+                    Deployment type
+                  </div>
+                  <box-selector radio-name="deploy" ng-model="ctrl.state.DeployType" options="ctrl.deployOptions" data-cy="k8sAppDeploy-deploymentSelector"></box-selector>
+                </div>
+
                 <!-- repository -->
                 <div ng-show="ctrl.state.BuildMethod === ctrl.BuildMethods.GIT">
                   <div class="col-sm-12 form-section-title">
@@ -62,9 +64,17 @@
                 </div>
                 <!-- !repository -->
 
+                <custom-template-selector
+                  ng-show="ctrl.state.BuildMethod === ctrl.BuildMethods.CUSTOM_TEMPLATE"
+                  new-template-path="kubernetes.templates.custom.new"
+                  stack-type="3"
+                  on-change="(ctrl.onChangeTemplateId)"
+                  value="ctrl.state.templateId"
+                ></custom-template-selector>
+
                 <!-- editor -->
                 <web-editor-form
-                  ng-if="ctrl.state.BuildMethod === ctrl.BuildMethods.WEB_EDITOR"
+                  ng-if="ctrl.state.BuildMethod === ctrl.BuildMethods.WEB_EDITOR || (ctrl.state.BuildMethod === ctrl.BuildMethods.CUSTOM_TEMPLATE && ctrl.state.templateId)"
                   identifier="kubernetes-deploy-editor"
                   value="ctrl.formValues.EditorContent"
                   on-change="(ctrl.onChangeFileContent)"

app/kubernetes/views/deploy/deployController.js

@@ -6,10 +6,11 @@ import { KubernetesDeployManifestTypes, KubernetesDeployBuildMethods, Kubernetes
 import { buildOption } from '@/portainer/components/box-selector';
 class KubernetesDeployController {
   /* @ngInject */
-  constructor($async, $state, $window, ModalService, Notifications, EndpointProvider, KubernetesResourcePoolService, StackService) {
+  constructor($async, $state, $window, CustomTemplateService, ModalService, Notifications, EndpointProvider, KubernetesResourcePoolService, StackService) {
     this.$async = $async;
     this.$state = $state;
     this.$window = $window;
+    this.CustomTemplateService = CustomTemplateService;
     this.ModalService = ModalService;
     this.Notifications = Notifications;
     this.EndpointProvider = EndpointProvider;
@@ -18,12 +19,13 @@ class KubernetesDeployController {
 
     this.deployOptions = [
       buildOption('method_kubernetes', 'fa fa-cubes', 'Kubernetes', 'Kubernetes manifest format', KubernetesDeployManifestTypes.KUBERNETES),
-      buildOption('method_compose', 'fa fa-docker', 'Compose', 'docker-compose format', KubernetesDeployManifestTypes.COMPOSE),
+      buildOption('method_compose', 'fab fa-docker', 'Compose', 'docker-compose format', KubernetesDeployManifestTypes.COMPOSE),
     ];
 
     this.methodOptions = [
       buildOption('method_repo', 'fab fa-github', 'Git Repository', 'Use a git repository', KubernetesDeployBuildMethods.GIT),
       buildOption('method_editor', 'fa fa-edit', 'Web editor', 'Use our Web editor', KubernetesDeployBuildMethods.WEB_EDITOR),
+      buildOption('method_template', 'fa fa-rocket', 'Custom Template', 'Use a custom template', KubernetesDeployBuildMethods.CUSTOM_TEMPLATE),
     ];
 
     this.state = {
@@ -33,6 +35,7 @@ class KubernetesDeployController {
       activeTab: 0,
       viewReady: false,
       isEditorDirty: false,
+      templateId: null,
     };
 
     this.formValues = {};
@@ -40,7 +43,7 @@ class KubernetesDeployController {
     this.BuildMethods = KubernetesDeployBuildMethods;
     this.endpointId = this.EndpointProvider.endpointID();
 
-    this.onInit = this.onInit.bind(this);
+    this.onChangeTemplateId = this.onChangeTemplateId.bind(this);
     this.deployAsync = this.deployAsync.bind(this);
     this.onChangeFileContent = this.onChangeFileContent.bind(this);
     this.getNamespacesAsync = this.getNamespacesAsync.bind(this);
@@ -75,6 +78,23 @@ class KubernetesDeployController {
     this.onChangeFormValues({ RepositoryReferenceName: value });
   }
 
+  onChangeTemplateId(templateId) {
+    return this.$async(async () => {
+      if (this.state.templateId === templateId) {
+        return;
+      }
+
+      this.state.templateId = templateId;
+
+      try {
+        const fileContent = await this.CustomTemplateService.customTemplateFile(templateId);
+        this.onChangeFileContent(fileContent);
+      } catch (err) {
+        this.Notifications.error('Failure', err, 'Unable to load template file');
+      }
+    });
+  }
+
   onChangeFileContent(value) {
     this.formValues.EditorContent = value;
     this.state.isEditorDirty = true;
@@ -91,10 +111,20 @@ class KubernetesDeployController {
     this.state.actionInProgress = true;
 
     try {
-      const method = this.state.BuildMethod === this.BuildMethods.GIT ? KubernetesDeployRequestMethods.REPOSITORY : KubernetesDeployRequestMethods.STRING;
+      let method = KubernetesDeployRequestMethods.STRING;
+      let composeFormat = this.state.DeployType === this.ManifestDeployTypes.COMPOSE;
+
+      switch (this.state.BuildMethod) {
+        case KubernetesDeployBuildMethods.GIT:
+          method = KubernetesDeployRequestMethods.REPOSITORY;
+          break;
+        case KubernetesDeployBuildMethods.CUSTOM_TEMPLATE:
+          composeFormat = false;
+          break;
+      }
 
       const payload = {
-        ComposeFormat: this.state.DeployType === this.ManifestDeployTypes.COMPOSE,
+        ComposeFormat: composeFormat,
         Namespace: this.formValues.Namespace,
       };
 
@@ -157,20 +187,27 @@ class KubernetesDeployController {
       return this.ModalService.confirmWebEditorDiscard();
     }
   }
-  async onInit() {
-    await this.getNamespaces();
-
-    this.state.viewReady = true;
-
-    this.$window.onbeforeunload = () => {
-      if (this.formValues.EditorContent && this.state.isEditorDirty) {
-        return '';
-      }
-    };
-  }
 
   $onInit() {
-    return this.$async(this.onInit);
+    return this.$async(async () => {
+      await this.getNamespaces();
+
+      if (this.$state.params.templateId) {
+        const templateId = parseInt(this.$state.params.templateId, 10);
+        if (templateId && !Number.isNaN(templateId)) {
+          this.state.BuildMethod = KubernetesDeployBuildMethods.CUSTOM_TEMPLATE;
+          this.onChangeTemplateId(templateId);
+        }
+      }
+
+      this.state.viewReady = true;
+
+      this.$window.onbeforeunload = () => {
+        if (this.formValues.EditorContent && this.state.isEditorDirty) {
+          return '';
+        }
+      };
+    });
   }
 
   $onDestroy() {

app/portainer/components/custom-template-common-fields/customTemplateCommonFields.html

@@ -52,7 +52,7 @@
   <!-- !icon-url-input -->
 
   <!-- platform-input -->
-  <div class="form-group">
+  <div ng-if="$ctrl.showPlatformField" class="form-group">
     <label for="platform" class="col-sm-3 col-lg-2 control-label text-left">Platform</label>
     <div class="col-sm-9 col-lg-10">
       <select class="form-control" ng-model="$ctrl.formValues.Platform" ng-options="+(opt.value) as opt.label for opt in $ctrl.platformTypes"> </select>
@@ -61,7 +61,7 @@
   <!-- !platform-input -->
 
   <!-- platform-input -->
-  <div class="form-group">
+  <div ng-if="$ctrl.showTypeField" class="form-group">
     <label for="platform" class="col-sm-3 col-lg-2 control-label text-left">Type</label>
     <div class="col-sm-9 col-lg-10">
       <select class="form-control" ng-model="$ctrl.formValues.Type" ng-options="+(opt.value) as opt.label for opt in $ctrl.templateTypes"> </select>

app/portainer/components/custom-template-common-fields/index.js

@@ -5,5 +5,7 @@ angular.module('portainer.app').component('customTemplateCommonFields', {
   controller: CustomTemplateCommonFieldsController,
   bindings: {
     formValues: '=',
+    showPlatformField: '<',
+    showTypeField: '<',
   },
 });

app/portainer/components/custom-templates-list/customTemplatesList.html

@@ -5,9 +5,7 @@
         <div class="toolBarTitle"> <i class="fa" ng-class="$ctrl.titleIcon" aria-hidden="true" style="margin-right: 2px;"></i> {{ $ctrl.titleText }} </div>
       </div>
       <div class="actionBar">
-        <button type="button" class="btn btn-sm btn-primary" ui-sref="docker.templates.custom.new">
-          <i class="fa fa-plus space-right" aria-hidden="true"></i>Add Custom Template
-        </button>
+        <button type="button" class="btn btn-sm btn-primary" ui-state="$ctrl.createPath"> <i class="fa fa-plus space-right" aria-hidden="true"></i>Add Custom Template </button>
       </div>
 
       <div class="searchBar" style="border-top: 2px solid #f6f6f6;">
@@ -27,12 +25,12 @@
         <template-item
           ng-repeat="template in $ctrl.templates | filter:$ctrl.state.textFilter"
           model="template"
-          type-label="{{ template.Type === 1 ? 'swarm' : 'standalone' }}"
+          type-label="{{ $ctrl.typeLabel(template.Type) }}"
           on-select="($ctrl.onSelectClick)"
         >
           <template-item-actions>
             <div ng-if="$ctrl.isEditAllowed(template)" style="display: flex;">
-              <a ui-sref="docker.templates.custom.edit({id: template.Id})" ng-click="$event.stopPropagation();" class="btn btn-primary btn-xs" style="margin-right: 10px;">
+              <a ui-state="$ctrl.editPath" ui-state-params="({id: template.Id})" ng-click="$event.stopPropagation();" class="btn btn-primary btn-xs" style="margin-right: 10px;">
                 Edit
               </a>
               <button class="btn btn-danger btn-xs" ng-click="$ctrl.onDeleteClick(template.Id); $event.stopPropagation();">Delete</button>

app/portainer/components/custom-templates-list/customTemplatesListController.js

@@ -1,7 +1,28 @@
+const CUSTOM_TEMPLATES_TYPES = {
+  STANDALONE: 1,
+  SWARM: 2,
+  KUBERNETES: 3,
+};
+
 angular.module('portainer.docker').controller('CustomTemplatesListController', function ($scope, $controller, DatatableService) {
   angular.extend(this, $controller('GenericDatatableController', { $scope: $scope }));
 
-  this.$onInit = function () {
+  this.typeLabel = typeLabel;
+  this.$onInit = $onInit;
+
+  function typeLabel(type) {
+    switch (type) {
+      case CUSTOM_TEMPLATES_TYPES.SWARM:
+        return 'swarm';
+      case CUSTOM_TEMPLATES_TYPES.KUBERNETES:
+        return 'manifest';
+      case CUSTOM_TEMPLATES_TYPES.STANDALONE:
+      default:
+        return 'standalone';
+    }
+  }
+
+  function $onInit() {
     this.setDefaults();
     this.prepareTableFromDataset();
 
@@ -32,5 +53,5 @@ angular.module('portainer.docker').controller('CustomTemplatesListController', f
       this.settings.open = false;
     }
     this.onSettingsRepeaterChange();
-  };
+  }
 });

app/portainer/components/custom-templates-list/index.js

@@ -12,5 +12,7 @@ angular.module('portainer.app').component('customTemplatesList', {
     showSwarmStacks: '<',
     onDeleteClick: '<',
     isEditAllowed: '<',
+    createPath: '@',
+    editPath: '@',
   },
 });

app/portainer/components/form-components/file-upload-form/file-upload-form.html

@@ -0,0 +1,19 @@
+<ng-form class="file-upload-form" name="$ctrl.fileUploadForm">
+  <div class="col-sm-12 form-section-title">
+    Upload
+  </div>
+  <div class="form-group">
+    <span class="col-sm-12 text-muted small" ng-transclude="description"> </span>
+  </div>
+  <div class="form-group">
+    <div class="col-sm-12">
+      <button type="button" class="btn btn-sm btn-primary" ngf-select="$ctrl.onChange($file)" ng-model="$ctrl.file" ng-required="$ctrl.ngRequired" name="file">
+        Select file
+      </button>
+      <span class="space-left">
+        {{ $ctrl.file.name }}
+        <i class="fa fa-times red-icon" ng-if="!$ctrl.file" aria-hidden="true"></i>
+      </span>
+    </div>
+  </div>
+</ng-form>

app/portainer/components/form-components/file-upload-form/index.js

@@ -0,0 +1,13 @@
+export const fileUploadForm = {
+  templateUrl: './file-upload-form.html',
+
+  bindings: {
+    file: '<',
+    ngRequired: '<',
+    onChange: '<',
+  },
+
+  transclude: {
+    description: '?fileUploadDescription',
+  },
+};

app/portainer/components/form-components/index.js

@@ -1,5 +1,6 @@
 import angular from 'angular';
 
 import { webEditorForm } from './web-editor-form';
+import { fileUploadForm } from './file-upload-form';
 
-export default angular.module('portainer.app.components.form', []).component('webEditorForm', webEditorForm).name;
+export default angular.module('portainer.app.components.form', []).component('webEditorForm', webEditorForm).component('fileUploadForm', fileUploadForm).name;

app/portainer/components/template-list/template-item/templateItem.html

@@ -18,11 +18,14 @@
             {{ $ctrl.model.Title }}
           </span>
           <span class="space-left blocklist-item-subtitle">
-            <span>
+            <span ng-if="$ctrl.model.Type != 3">
               <i class="fab fa-linux" aria-hidden="true" ng-if="$ctrl.model.Platform === 1 || $ctrl.model.Platform === 'linux' || !$ctrl.model.Platform"></i>
               <span ng-if="!$ctrl.model.Platform"> &amp; </span>
               <i class="fab fa-windows" aria-hidden="true" ng-if="$ctrl.model.Platform === 2 || $ctrl.model.Platform === 'windows' || !$ctrl.model.Platform"></i>
             </span>
+            <span ng-if="$ctrl.model.Type === 3">
+              <i class="fa fa-dharmachakra" aria-hidden="true"></i>
+            </span>
             <span>
               {{ $ctrl.typeLabel }}
             </span>

app/portainer/views/custom-templates/create-custom-template-view/createCustomTemplateView.html

@@ -8,7 +8,7 @@
     <rd-widget>
       <rd-widget-body>
         <form class="form-horizontal" name="customTemplateForm">
-          <custom-template-common-fields form-values="$ctrl.formValues"></custom-template-common-fields>
+          <custom-template-common-fields form-values="$ctrl.formValues" show-platform-field="true" show-type-field="true"></custom-template-common-fields>
 
           <!-- build-method -->
           <div ng-if="!$ctrl.state.fromStack">

app/portainer/views/custom-templates/create-custom-template-view/createCustomTemplateViewController.js

@@ -175,7 +175,7 @@ class CreateCustomTemplateViewController {
     }
 
     try {
-      this.templates = await this.CustomTemplateService.customTemplates();
+      this.templates = await this.CustomTemplateService.customTemplates([1, 2]);
     } catch (err) {
       this.Notifications.error('Failure loading', err, 'Failed loading custom templates');
     }

app/portainer/views/custom-templates/custom-templates-view/customTemplatesView.html

@@ -64,6 +64,7 @@
       title-icon="fa-rocket"
       templates="$ctrl.templates"
       table-key="customTemplates"
+      create-path="docker.templates.custom.new"
       is-edit-allowed="$ctrl.isEditAllowed"
       on-select-click="($ctrl.selectTemplate)"
       on-delete-click="($ctrl.confirmDelete)"

app/portainer/views/custom-templates/custom-templates-view/customTemplatesViewController.js

@@ -81,16 +81,12 @@ class CustomTemplatesViewController {
     return this.currentUser.isAdmin || this.currentUser.id === template.CreatedByUserId;
   }
 
-  getTemplates(endpointMode) {
-    return this.$async(this.getTemplatesAsync, endpointMode);
+  getTemplates() {
+    return this.$async(this.getTemplatesAsync);
   }
-  async getTemplatesAsync({ provider, role }) {
+  async getTemplatesAsync() {
     try {
-      let stackType = 2;
-      if (provider === 'DOCKER_SWARM_MODE' && role === 'MANAGER') {
-        stackType = 1;
-      }
-      this.templates = await this.CustomTemplateService.customTemplates(stackType);
+      this.templates = await this.CustomTemplateService.customTemplates([1, 2]);
     } catch (err) {
       this.Notifications.error('Failed loading templates', err, 'Unable to load custom templates');
     }
@@ -237,7 +233,6 @@ class CustomTemplatesViewController {
       case 2:
         deployable = endpoint.mode.provider === this.DOCKER_STANDALONE;
         break;
-
     }
 
     return deployable;
@@ -251,7 +246,7 @@ class CustomTemplatesViewController {
       apiVersion,
     } = applicationState;
 
-    this.getTemplates(endpointMode);
+    this.getTemplates();
     this.getNetworks(endpointMode.provider, apiVersion);
 
     this.currentUser.isAdmin = this.Authentication.isAdmin();

app/portainer/views/custom-templates/edit-custom-template-view/editCustomTemplateView.html

@@ -12,7 +12,7 @@
     <rd-widget>
       <rd-widget-body>
         <form class="form-horizontal" name="customTemplateForm">
-          <custom-template-common-fields form-values="$ctrl.formValues"></custom-template-common-fields>
+          <custom-template-common-fields form-values="$ctrl.formValues" show-platform-field="true" show-type-field="true"></custom-template-common-fields>
 
           <!-- web-editor -->
           <div class="col-sm-12 form-section-title">

app/portainer/views/custom-templates/edit-custom-template-view/editCustomTemplateViewController.js

@@ -112,7 +112,7 @@ class EditCustomTemplateViewController {
     this.getTemplate();
 
     try {
-      this.templates = await this.CustomTemplateService.customTemplates();
+      this.templates = await this.CustomTemplateService.customTemplates([1, 2]);
     } catch (err) {
       this.Notifications.error('Failure loading', err, 'Failed loading custom templates');
     }