pulls in DRONE_RUNNER_ANNOTATONS and puts it on the job spec

engine/kube/kube.go

@@ -14,7 +14,7 @@ import (
 	"github.com/drone/drone-runtime/engine"
 	"github.com/drone/drone-runtime/engine/docker/auth"
 
-	"k8s.io/api/core/v1"
+	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/util/wait"
 	"k8s.io/client-go/informers"
@@ -25,13 +25,14 @@ import (
 )
 
 type kubeEngine struct {
-	client *kubernetes.Clientset
-	node   string
+	client      *kubernetes.Clientset
+	node        string
+	annotations map[string]string
 }
 
 // NewFile returns a new Kubernetes engine from a
 // Kubernetes configuration file (~/.kube/config).
-func NewFile(url, path, node string) (engine.Engine, error) {
+func NewFile(url, path, node string, annotations map[string]string) (engine.Engine, error) {
 	config, err := clientcmd.BuildConfigFromFlags(url, path)
 	if err != nil {
 		return nil, err
@@ -40,7 +41,7 @@ func NewFile(url, path, node string) (engine.Engine, error) {
 	if err != nil {
 		return nil, err
 	}
-	return &kubeEngine{client: client, node: node}, nil
+	return &kubeEngine{client: client, node: node, annotations: annotations}, nil
 }
 
 func (e *kubeEngine) Setup(ctx context.Context, spec *engine.Spec) error {
@@ -133,6 +134,10 @@ func (e *kubeEngine) Start(ctx context.Context, spec *engine.Spec, step *engine.
 		}
 	}
 
+	if len(e.annotations) != 0 {
+		pod.ObjectMeta.Annotations = e.annotations
+	}
+
 	if e.node != "" {
 		pod.Spec.Affinity = &v1.Affinity{
 			NodeAffinity: &v1.NodeAffinity{

engine/kube/util.go

@@ -7,12 +7,12 @@ package kube
 import (
 	"path"
 	"path/filepath"
-	"strings"
 	"strconv"
+	"strings"
 
 	"github.com/drone/drone-runtime/engine"
 
-	"k8s.io/api/core/v1"
+	v1 "k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/api/resource"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/util/intstr"
@@ -22,6 +22,7 @@ import (
 
 // helper function converts environment variable
 // string data to kubernetes variables.
+
 func toEnv(spec *engine.Spec, step *engine.Step) []v1.EnvVar {
 	var to []v1.EnvVar
 	for k, v := range step.Envs {
@@ -236,6 +237,7 @@ func toResources(step *engine.Step) v1.ResourceRequirements {
 // helper function returns a kubernetes pod for the
 // given step and specification.
 func toPod(spec *engine.Spec, step *engine.Step) *v1.Pod {
+
 	var volumes []v1.Volume
 	volumes = append(volumes, toVolumes(spec, step)...)
 	volumes = append(volumes, toConfigVolumes(spec, step)...)
@@ -253,9 +255,10 @@ func toPod(spec *engine.Spec, step *engine.Step) *v1.Pod {
 
 	return &v1.Pod{
 		ObjectMeta: metav1.ObjectMeta{
-			Name:      step.Metadata.UID,
-			Namespace: step.Metadata.Namespace,
-			Labels:    step.Metadata.Labels,
+			Name:        step.Metadata.UID,
+			Namespace:   step.Metadata.Namespace,
+			Labels:      step.Metadata.Labels,
+			Annotations: step.Annotations,
 		},
 		Spec: v1.PodSpec{
 			AutomountServiceAccountToken: boolptr(false),

engine/spec.go

@@ -40,6 +40,7 @@ type (
 	// Step defines a pipeline step.
 	Step struct {
 		Metadata     Metadata          `json:"metadata,omitempty"`
+		Annotations  map[string]string `json:"annotations,omitempty"`
 		Detach       bool              `json:"detach,omitempty"`
 		DependsOn    []string          `json:"depends_on,omitempty"`
 		Devices      []*VolumeDevice   `json:"devices,omitempty"`

main.go

@@ -73,7 +73,9 @@ func main() {
 			log.Fatalln(err)
 		}
 	} else {
-		engine, err = kube.NewFile(*u, *k, *n)
+		// send Empty annotatoins to NewFile
+		a := map[string]string{}
+		engine, err = kube.NewFile(*u, *k, *n, a)
 		if err != nil {
 			log.Fatalln(err)
 		}