Spring Boot REST with Hadoop HBASE - spring

Question

I'm looking to build an simple RESTFull API to access into HBase.
I looked Python HappyBase, but my cluster is kerberised. Now I'm into Spring.
I used to make simple API REST with Solr Cloud and Spring Boot.
Is it possible to do same with Hbase ?
I have no idea if I have to use Spring Boot 'Yarn App'
=> https://spring.io/guides/gs/yarn-basic/
Or Spring Hadoop.
=> https://projects.spring.io/spring-hadoop/
Just want a really simple API.
Thanks for help.

Answer 1

I wrote a simple demo project for using hbase in spring boot restful application without xml.
This demo mainly depends spring-data-hadoop and hbase-client.
gradle dependencies:
compile('org.springframework.boot:spring-boot-starter-data-rest')
compile('org.springframework.boot:spring-boot-starter-web')
compile 'org.springframework.data:spring-data-hadoop:2.5.0.RELEASE'
compile('org.apache.hbase:hbase-client:1.3.1'){
exclude group :'log4j',module:'log4j'
exclude group :'org.slf4j',module:'slf4j-log4j12'
exclude group: 'javax.servlet', module: 'servlet-api'
}
compile('org.springframework.boot:spring-boot-configuration-processor')
providedRuntime('org.springframework.boot:spring-boot-starter-tomcat')
Configure the hbase connection parameters in spring boot's application.properties (No XML!):
spring.data.hbase.zkQuorum=192.168.0.109:2181
spring.data.hbase.zkBasePath=/hbase
spring.data.hbase.rootDir=file:///home/hbase-1.2.2
class HbaseProperties.java:
#ConfigurationProperties(prefix = "spring.data.hbase")
public class HbaseProperties {
// Addresses of all registered ZK servers.
private String zkQuorum;
// Location of HBase home directory
private String rootDir;
// Root node of this cluster in ZK.
private String zkBasePath;
// getters and setters...
}
HbaseConfig.java, inject the configurations into the HbaseTemplate:
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.hadoop.hbase.HbaseTemplate;
#Configuration
#EnableConfigurationProperties(HbaseProperties.class)
public class HbaseConfig {
#Autowired
private HbaseProperties hbaseProperties;
#Bean
public HbaseTemplate hbaseTemplate() {
org.apache.hadoop.conf.Configuration configuration = HBaseConfiguration.create();
configuration.set("hbase.zookeeper.quorum", this.hbaseProperties.getZkQuorum());
configuration.set("hbase.rootdir", this.hbaseProperties.getRootDir());
configuration.set("zookeeper.znode.parent", this.hbaseProperties.getZkBasePath());
return new HbaseTemplate(configuration);
}
}
Service class, we can use the configured HbaseTemplate now:
import javax.annotation.PostConstruct;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.hadoop.hbase.HbaseTemplate;
import org.springframework.stereotype.Service;
import com.zql.hbasedemo.vo.Quote;
#Service
public class FeedService {
#Autowired
private HbaseTemplate hbaseTemplate;
#PostConstruct
public void test(){
Quote quote = new Quote();
quote.setEventType("ft");
quote.setHandicap("4");
quote.setMarket("OU");
quote.setMatchId("27350208");
quote.setSelection("OVER");
quote.setPrice("1.93");
saveQuote(quote);
}
public Quote saveQuote(Quote quote) {
hbaseTemplate.put("quotes", quote.getMatchId(), "data", quote.getMarket() + ":" + quote.getSelection(),
quote.getPrice().getBytes());
return quote;
}
}
Rest Controller.
#RestController
public class FeedController {
#Autowired
private FeedService feedService;
#SuppressWarnings({ "unchecked", "rawtypes" })
#PostMapping(value = "/feed/quote", consumes = "application/json", produces = "application/json")
public ResponseEntity<Quote> saveQuote(#RequestBody Quote quote) {
Quote result = feedService.saveQuote(quote);
return new ResponseEntity(result, new HttpHeaders(), HttpStatus.OK);
}
}