add: install example-spark-pi (#228)

cmd/install/example.go

@@ -9,6 +9,7 @@ import (
 	"github.com/awslabs/eksdemo/pkg/application/example/inflate"
 	"github.com/awslabs/eksdemo/pkg/application/example/kube_ops_view"
 	"github.com/awslabs/eksdemo/pkg/application/example/podinfo"
+	"github.com/awslabs/eksdemo/pkg/application/example/sparkpi"
 	"github.com/awslabs/eksdemo/pkg/application/example/wordpress"
 	"github.com/spf13/cobra"
 )
@@ -58,6 +59,7 @@ func init() {
 		inflate.NewApp,
 		kube_ops_view.NewApp,
 		podinfo.NewApp,
+		sparkpi.NewApp,
 		wordpress.NewApp,
 	}
 }

pkg/application/example/sparkpi/manifest.go

@@ -0,0 +1,32 @@
+package sparkpi
+
+// https://github.com/kubeflow/spark-operator/blob/master/examples/spark-pi.yaml
+const manifestTemplate = `---
+apiVersion: sparkoperator.k8s.io/v1beta2
+kind: SparkApplication
+metadata:
+  name: spark-pi
+  namespace: {{ .Namespace }}
+spec:
+  type: Scala
+  mode: cluster
+  image: spark:3.5.0
+  imagePullPolicy: IfNotPresent
+  mainClass: org.apache.spark.examples.SparkPi
+  mainApplicationFile: local:///opt/spark/examples/jars/spark-examples_2.12-3.5.0.jar
+  sparkVersion: 3.5.0
+  driver:
+    labels:
+      version: 3.5.0
+    cores: 1
+    coreLimit: 1200m
+    memory: 512m
+    serviceAccount: {{ .ServiceAccount }}
+  executor:
+    labels:
+      version: 3.5.0
+    instances: 1
+    cores: 1
+    coreLimit: 1200m
+    memory: 512m
+`

pkg/application/example/sparkpi/spark_pi.go

@@ -0,0 +1,34 @@
+package sparkpi
+
+import (
+	"github.com/awslabs/eksdemo/pkg/application"
+	"github.com/awslabs/eksdemo/pkg/cmd"
+	"github.com/awslabs/eksdemo/pkg/installer"
+	"github.com/awslabs/eksdemo/pkg/template"
+)
+
+// GitHub: https://github.com/kubeflow/spark-operator/blob/master/examples/
+
+func NewApp() *application.Application {
+	return &application.Application{
+		Command: cmd.Command{
+			Parent:      "example",
+			Name:        "spark-pi",
+			Description: "Apache Spark SparkPi Example",
+			Aliases:     []string{"spark"},
+		},
+
+		Installer: &installer.ManifestInstaller{
+			AppName: "example-spark-pi",
+			ResourceTemplate: &template.TextTemplate{
+				Template: manifestTemplate,
+			},
+		},
+
+		Options: &application.ApplicationOptions{
+			Namespace:          "default",
+			DisableVersionFlag: true,
+			ServiceAccount:     "spark-operator-spark",
+		},
+	}
+}