├── .gitignore
├── LICENSE
├── README.md
├── pom.xml
└── src
└── main
├── java
└── io
│ └── radanalytics
│ ├── SparkContextProvider.java
│ ├── SparkPiBootApplication.java
│ ├── SparkPiController.java
│ ├── SparkPiProducer.java
│ └── SparkPiProperties.java
└── resources
├── application.properties
└── log4j.properties
/.gitignore:
--------------------------------------------------------------------------------
1 | .DS_Store
2 | target/
3 | !.mvn/wrapper/maven-wrapper.jar
4 |
5 | ### STS ###
6 | .apt_generated
7 | .classpath
8 | .factorypath
9 | .project
10 | .settings
11 | .springBeans
12 |
13 | ### IntelliJ IDEA ###
14 | .idea
15 | *.iws
16 | *.iml
17 | *.ipr
18 |
19 | ### NetBeans ###
20 | nbproject/private/
21 | build/
22 | nbbuild/
23 | dist/
24 | nbdist/
25 | .nb-gradle/
26 |
--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
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/README.md:
--------------------------------------------------------------------------------
1 | # spring-sparkpi
2 | A Java implementation of SparkPi using Spring Boot
3 |
4 | This application is an example tutorial for the
5 | [radanalytics.io](http://radanalytics.io) community. It is intended to be
6 | used as a source-to-image application.
7 |
8 | ## Quick start
9 |
10 | You should have access to an OpenShift cluster and be logged in with the
11 | `oc` command line tool.
12 |
13 | 1. Create the necessary infrastructure objects
14 | ```bash
15 | oc create -f http://radanalytics.io/resources.yaml
16 | ```
17 |
18 | 1. Launch spring-sparkpi
19 | ```bash
20 | oc new-app --template oshinko-java-spark-build-dc \
21 | -p APPLICATION_NAME=spring-sparkpi \
22 | -p GIT_URI=https://github.com/radanalyticsio/spring-sparkpi \
23 | -p APP_FILE=SparkPiBoot-0.0.1-SNAPSHOT.jar
24 | ```
25 |
26 | 1. Expose an external route
27 | ```bash
28 | oc expose svc/spring-sparkpi
29 | ```
30 |
31 | 1. Visit the exposed URL with your browser or other HTTP tool, for example:
32 | ```bash
33 | $ curl http://`oc get routes/spring-sparkpi --template='{{.spec.host}}'`
34 | Pi is rouuuughly 3.1335
35 | ```
36 |
--------------------------------------------------------------------------------
/pom.xml:
--------------------------------------------------------------------------------
1 |
2 |
3 | 4.0.0
4 | io.radanalytics
5 | SparkPiBoot
6 | 0.0.1-SNAPSHOT
7 | jar
8 | SparkPiBoot
9 | Demo project for Spark Pi using Spring Boot
10 |
11 | org.springframework.boot
12 | spring-boot-starter-parent
13 | 1.5.2.RELEASE
14 |
15 |
16 |
17 |
18 | UTF-8
19 | UTF-8
20 | 1.8
21 | 2.3.1
22 |
23 |
24 |
25 | org.springframework.boot
26 | spring-boot-starter-actuator
27 |
28 |
29 | org.springframework.boot
30 | spring-boot-starter-logging
31 |
32 |
33 |
34 |
35 | org.springframework.boot
36 | spring-boot-starter-web
37 |
38 |
39 | org.springframework.boot
40 | spring-boot-starter-logging
41 |
42 |
43 |
44 |
45 | org.apache.spark
46 | spark-core_2.11
47 | ${spark.version}
48 | jar
49 |
50 |
51 |
52 |
53 |
54 | org.springframework.boot
55 | spring-boot-maven-plugin
56 |
57 | ${start-class}
58 |
59 |
60 |
61 | com.coderplus.maven.plugins
62 | copy-rename-maven-plugin
63 | 1.0.1
64 |
65 |
66 | rename-file
67 | package
68 |
69 | rename
70 |
71 |
72 | target/${project.name}-${project.version}.jar.original
73 | target/${project.name}-${project.version}-original.jar
74 |
75 |
76 |
77 |
78 |
79 |
80 |
81 | src/main/resources
82 | true
83 |
84 |
85 |
86 |
87 |
88 |
--------------------------------------------------------------------------------
/src/main/java/io/radanalytics/SparkContextProvider.java:
--------------------------------------------------------------------------------
1 | package io.radanalytics;
2 |
3 | import org.apache.spark.SparkConf;
4 | import org.apache.spark.SparkException;
5 | import org.apache.spark.api.java.JavaSparkContext;
6 | import org.springframework.beans.factory.annotation.*;
7 | import org.springframework.stereotype.*;
8 |
9 | public class SparkContextProvider {
10 |
11 | private static SparkContextProvider INSTANCE = null;
12 |
13 | private SparkConf sparkConf;
14 | private JavaSparkContext sparkContext;
15 |
16 | private SparkContextProvider() {
17 | }
18 |
19 | private SparkContextProvider(SparkPiProperties props) {
20 | this.sparkConf = new SparkConf().setAppName("JavaSparkPi");
21 | this.sparkConf.setJars(new String[]{props.getJarFile()});
22 | this.sparkContext = new JavaSparkContext(sparkConf);
23 | }
24 |
25 | public static boolean init(SparkPiProperties props) {
26 | try {
27 | if (INSTANCE == null) {
28 | INSTANCE = new SparkContextProvider(props);
29 | }
30 | } catch (Exception e) {
31 | System.out.println(e.getMessage());
32 | return false;
33 | }
34 | return true;
35 | }
36 |
37 | public static JavaSparkContext getContext() {
38 | return INSTANCE.sparkContext;
39 | }
40 |
41 | }
42 |
--------------------------------------------------------------------------------
/src/main/java/io/radanalytics/SparkPiBootApplication.java:
--------------------------------------------------------------------------------
1 | package io.radanalytics;
2 |
3 | import javax.annotation.*;
4 |
5 | import org.apache.log4j.*;
6 |
7 | import org.springframework.boot.SpringApplication;
8 | import org.springframework.boot.autoconfigure.SpringBootApplication;
9 | import org.springframework.beans.factory.annotation.Autowired;
10 |
11 | @SpringBootApplication
12 | public class SparkPiBootApplication {
13 |
14 | private static final Logger log = Logger.getRootLogger();
15 |
16 | @Autowired
17 | private SparkPiProperties properties;
18 |
19 | @PostConstruct
20 | public void init() {
21 | log.info("SparkPi submit jar is: "+properties.getJarFile());
22 | if (!SparkContextProvider.init(properties)) {
23 | // masterURL probably not set,
24 | // meaning this was likely run outside of oshinko
25 | System.exit(1);
26 | }
27 | }
28 |
29 | public static void main(String[] args) {
30 | SpringApplication.run(SparkPiBootApplication.class, args);
31 | }
32 |
33 | }
34 |
--------------------------------------------------------------------------------
/src/main/java/io/radanalytics/SparkPiController.java:
--------------------------------------------------------------------------------
1 | package io.radanalytics;
2 |
3 | import org.springframework.web.bind.annotation.RestController;
4 | import org.springframework.web.bind.annotation.RequestMapping;
5 | import org.springframework.web.bind.annotation.RequestParam;
6 |
7 | @RestController
8 | public class SparkPiController {
9 |
10 | @RequestMapping("/")
11 | public String index() {
12 | return "Java Spring Boot SparkPi server running. Add the 'sparkpi' route to this URL to invoke the app.";
13 | }
14 |
15 | @RequestMapping("/sparkpi")
16 | public String sparkpi(@RequestParam(value="scale", defaultValue="2") String scale) {
17 | SparkPiProducer pi = new SparkPiProducer();
18 | return pi.GetPi(Integer.parseInt(scale));
19 | }
20 | }
21 |
--------------------------------------------------------------------------------
/src/main/java/io/radanalytics/SparkPiProducer.java:
--------------------------------------------------------------------------------
1 | package io.radanalytics;
2 |
3 | import java.io.Serializable;
4 | import java.util.ArrayList;
5 | import java.util.List;
6 | import org.apache.spark.api.java.function.Function;
7 | import org.apache.spark.api.java.function.Function2;
8 | import org.apache.spark.api.java.JavaRDD;
9 | import org.apache.spark.api.java.JavaSparkContext;
10 |
11 | public class SparkPiProducer implements Serializable {
12 | public String GetPi(int scale) {
13 | JavaSparkContext jsc = SparkContextProvider.getContext();
14 |
15 | int n = 100000 * scale;
16 | List l = new ArrayList(n);
17 | for (int i = 0; i < n; i++) {
18 | l.add(i);
19 | }
20 |
21 | JavaRDD dataSet = jsc.parallelize(l, scale);
22 |
23 | int count = dataSet.map(integer -> {
24 | double x = Math.random() * 2 - 1;
25 | double y = Math.random() * 2 - 1;
26 | return (x * x + y * y < 1) ? 1 : 0;
27 | }).reduce((integer, integer2) -> integer + integer2);
28 |
29 | String ret = "Pi is rouuuughly " + 4.0 * count / n;
30 |
31 | return ret;
32 | }
33 | }
34 |
--------------------------------------------------------------------------------
/src/main/java/io/radanalytics/SparkPiProperties.java:
--------------------------------------------------------------------------------
1 | package io.radanalytics;
2 |
3 | import org.apache.spark.SparkConf;
4 | import org.apache.spark.api.java.JavaSparkContext;
5 |
6 | import org.springframework.stereotype.*;
7 | import org.springframework.beans.factory.annotation.*;
8 | import org.springframework.context.annotation.*;
9 | import javax.validation.constraints.*;
10 | import javax.annotation.*;
11 |
12 | @Component
13 | public class SparkPiProperties {
14 |
15 | @Value("${sparkpi.jarfile}")
16 | private String jarFile;
17 |
18 | public String getJarFile() {
19 | return jarFile;
20 | }
21 |
22 | }
23 |
--------------------------------------------------------------------------------
/src/main/resources/application.properties:
--------------------------------------------------------------------------------
1 | sparkpi.jarfile=/opt/app-root/src/@project.name@-@project.version@-original.jar
2 |
--------------------------------------------------------------------------------
/src/main/resources/log4j.properties:
--------------------------------------------------------------------------------
1 | log4j.rootLogger=INFO, stdout
2 | log4j.appender.stdout=org.apache.log4j.ConsoleAppender
3 | log4j.appender.stdout.Target=System.out
4 | log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
5 | log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p - %m%n
6 |
--------------------------------------------------------------------------------