Merge pull request #1582 from micro/k8s-srv-accounts

Runtime: Add Kubernetes ServiceAccounts & Remove imagePullSecrets

runtime/kubernetes/service.go

@@ -38,12 +38,6 @@ func newService(s *runtime.Service, c runtime.CreateOptions) *service {
 		kdeploy.Spec.Template.Metadata.Annotations = make(map[string]string)
 	}
 
-	// set the image pull secrets
-	kdeploy.Spec.Template.PodSpec.ImagePullSecrets = make([]client.ImagePullSecret, len(c.ImagePullSecrets))
-	for i, s := range c.ImagePullSecrets {
-		kdeploy.Spec.Template.PodSpec.ImagePullSecrets[i] = client.ImagePullSecret{Name: s}
-	}
-
 	// create if non existent
 	if s.Metadata == nil {
 		s.Metadata = make(map[string]string)

runtime/options.go

@@ -67,8 +67,6 @@ type CreateOptions struct {
 	Retries int
 	// Specify the image to use
 	Image string
-	// Specify secrets to use when pulling the image
-	ImagePullSecrets []string
 	// Namespace to create the service in
 	Namespace string
 	// Specify the context to use
@@ -103,13 +101,6 @@ func CreateImage(img string) CreateOption {
 	}
 }
 
-// CreateImagePullSecret sets a secret to use
-func CreateImagePullSecret(secrets ...string) CreateOption {
-	return func(o *CreateOptions) {
-		o.ImagePullSecrets = append(o.ImagePullSecrets, secrets...)
-	}
-}
-
 // CreateNamespace sets the namespace
 func CreateNamespace(ns string) CreateOption {
 	return func(o *CreateOptions) {

runtime/service/proto/runtime.pb.go

@@ -163,8 +163,6 @@ type CreateOptions struct {
 	Type string `protobuf:"bytes,5,opt,name=type,proto3" json:"type,omitempty"`
 	// image to use
 	Image                string   `protobuf:"bytes,6,opt,name=image,proto3" json:"image,omitempty"`
-	// image secrets to use
-	ImagePullSecrets     []string `protobuf:"bytes,7,rep,name=image_pull_secrets,json=imagePullSecrets,proto3" json:"image_pull_secrets,omitempty"`
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
 	XXX_sizecache        int32    `json:"-"`
@@ -237,13 +235,6 @@ func (m *CreateOptions) GetImage() string {
 	return ""
 }
 
-func (m *CreateOptions) GetImagePullSecrets() []string {
-	if m != nil {
-		return m.ImagePullSecrets
-	}
-	return nil
-}
-
 type CreateRequest struct {
 	Service              *Service       `protobuf:"bytes,1,opt,name=service,proto3" json:"service,omitempty"`
 	Options              *CreateOptions `protobuf:"bytes,2,opt,name=options,proto3" json:"options,omitempty"`
@@ -821,49 +812,47 @@ func init() {
 }
 
 var fileDescriptor_976fccef828ab1f0 = []byte{
-	// 689 bytes of a gzipped FileDescriptorProto
+	// 662 bytes of a gzipped FileDescriptorProto
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-	0x00,
 }

runtime/service/proto/runtime.proto

@@ -41,8 +41,6 @@ message CreateOptions {
 	string type = 5;
 	// image to use
 	string image = 6;
-	// image secrets to use
-	repeated string image_pull_secrets = 7;
 }
 
 message CreateRequest {

runtime/service/service.go

@@ -57,7 +57,6 @@ func (s *svc) Create(svc *runtime.Service, opts ...runtime.CreateOption) error {
 			Env:     options.Env,
 			Type:    options.Type,
 			Image:   options.Image,
-			ImagePullSecrets: options.ImagePullSecrets,
 		},
 	}
 

util/kubernetes/api/request.go

@@ -163,12 +163,12 @@ func (r *Request) request() (*http.Request, error) {
 	case "namespace":
 		// /api/v1/namespaces/
 		url = fmt.Sprintf("%s/api/v1/namespaces/", r.host)
-	case "pod", "service", "endpoint":
-		// /api/v1/namespaces/{namespace}/pods
-		url = fmt.Sprintf("%s/api/v1/namespaces/%s/%ss/", r.host, r.namespace, r.resource)
 	case "deployment":
 		// /apis/apps/v1/namespaces/{namespace}/deployments/{name}
 		url = fmt.Sprintf("%s/apis/apps/v1/namespaces/%s/%ss/", r.host, r.namespace, r.resource)
+	default:
+		// /api/v1/namespaces/{namespace}/{resource}
+		url = fmt.Sprintf("%s/api/v1/namespaces/%s/%ss/", r.host, r.namespace, r.resource)
 	}
 
 	// append resourceName if it is present

util/kubernetes/client/client.go

@@ -312,6 +312,7 @@ func NewDeployment(name, version, typ, namespace string) *Deployment {
 		Template: &Template{
 			Metadata: Metadata,
 			PodSpec: &PodSpec{
+				ServiceAccountName: namespace,
 				Containers: []Container{{
 					Name:    name,
 					Image:   DefaultImage,

util/kubernetes/client/templates.go

@@ -4,6 +4,8 @@ var templates = map[string]string{
 	"deployment":     deploymentTmpl,
 	"service":        serviceTmpl,
 	"namespace":      namespaceTmpl,
+	"secret":         secretTmpl,
+	"serviceaccount": serviceAccountTmpl,
 }
 
 // stripped image pull policy always
@@ -50,12 +52,7 @@ spec:
         {{- end }}
         {{- end }}
     spec: 
-      imagePullSecrets:
+      serviceAccountName: {{ .Spec.Template.PodSpec.ServiceAccountName }}
-      {{- with .Spec.Template.PodSpec.ImagePullSecrets }}
-      {{- range . }}
-      - name: "{{ .Name }}"
-      {{- end }}
-      {{- end }}
       containers:
       {{- with .Spec.Template.PodSpec.Containers }}
       {{- range . }}
@@ -128,3 +125,42 @@ metadata:
     {{- end }}
     {{- end }}
 `
+
+var secretTmpl = `
+apiVersion: v1
+kind: Secret
+metadata:
+  name: "{{ .Metadata.Name }}"
+  namespace: "{{ .Metadata.Namespace }}"
+  labels:
+    {{- with .Metadata.Labels }}
+    {{- range $key, $value := . }}
+    {{ $key }}: "{{ $value }}"
+    {{- end }}
+    {{- end }}
+data:
+{{- with .Data }}
+{{- range $key, $value := . }}
+{{ $key }}: "{{ $value }}"
+{{- end }}
+{{- end }}
+`
+
+var serviceAccountTmpl = `
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: "{{ .Metadata.Name }}"
+  labels:
+    {{- with .Metadata.Labels }}
+    {{- range $key, $value := . }}
+    {{ $key }}: "{{ $value }}"
+    {{- end }}
+    {{- end }}
+imagePullSecrets:
+{{- with .ImagePullSecrets }}
+{{- range . }}
+- name: "{{ .Name }}"
+{{- end }}
+{{- end }}
+`

util/kubernetes/client/types.go

@@ -94,7 +94,7 @@ type Metadata struct {
 // PodSpec is a pod
 type PodSpec struct {
 	Containers         []Container `json:"containers"`
-	ImagePullSecrets []ImagePullSecret `json:"imagePullSecrets"`
+	ServiceAccountName string      `json:"serviceAccountName"`
 }
 
 // PodList
@@ -194,3 +194,16 @@ type NamespaceList struct {
 type ImagePullSecret struct {
 	Name string `json:"name"`
 }
+
+// Secret
+type Secret struct {
+	Type     string            `json:"type,omitempty"`
+	Data     map[string]string `json:"data"`
+	Metadata *Metadata         `json:"metadata"`
+}
+
+// ServiceAccount
+type ServiceAccount struct {
+	Metadata         *Metadata         `json:"metadata,omitempty"`
+	ImagePullSecrets []ImagePullSecret `json:"imagePullSecrets,omitempty"`
+}