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新增learn-kubernetes（https://github.com/yyong-brs/learn-kubernetes）相关文件

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huty
2024-02-20 17:15:27 +08:00
committed by huty
parent 6706e1a633
commit 34158042ad
1529 changed files with 177765 additions and 0 deletions
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20
learn/learn-kubernetes-master/kiamol/ch14/docker-images/image-of-the-day/src/main/java/iotd/Application.java Normal file
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package iotd;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@SpringBootApplication
@RestController
public class Application {
@RequestMapping("/")
public String home() {
return "Nothing to see here, try /image";
}
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}

11
learn/learn-kubernetes-master/kiamol/ch14/docker-images/image-of-the-day/src/main/java/iotd/configuration/BeanConfiguration.java Normal file
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package iotd;
import org.springframework.context.annotation.Bean;
public class BeanConfiguration {
@Bean
public CacheService cacheService() {
return new MemoryCacheService();
}
}

17
learn/learn-kubernetes-master/kiamol/ch14/docker-images/image-of-the-day/src/main/java/iotd/configuration/RegistryConfiguration.java Normal file
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package iotd;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.EnableAspectJAutoProxy;
import io.micrometer.core.aop.TimedAspect;
import io.micrometer.core.instrument.MeterRegistry;
@Configuration
@EnableAspectJAutoProxy
public class RegistryConfiguration {
@Bean
TimedAspect timedAspect(MeterRegistry registry) {
return new TimedAspect(registry);
}
}

55
learn/learn-kubernetes-master/kiamol/ch14/docker-images/image-of-the-day/src/main/java/iotd/controllers/ImageController.java Normal file
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package iotd;
import io.micrometer.core.annotation.Timed;
import io.micrometer.core.instrument.MeterRegistry;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;
@RestController
public class ImageController {
private static final Logger log = LoggerFactory.getLogger(ImageController.class);
@Autowired
CacheService cacheService;
@Autowired
MeterRegistry registry;
@Value("${apod.url}")
private String apodUrl;
@Value("${apod.key}")
private String apodKey;
@RequestMapping("/image")
@Timed()
public Image get() {
log.debug("** GET /image called");
Image img = cacheService.getImage();
if (img == null) {
RestTemplate restTemplate = new RestTemplate();
ApodImage result = restTemplate.getForObject(apodUrl+apodKey, ApodImage.class);
log.info("Fetched new APOD image from NASA");
registry.counter("iotd_api_image_load", "status", "success").increment();
img = new Image(result.getUrl(), result.getTitle(), result.getCopyright());
cacheService.putImage(img);
}
else {
log.debug("Loaded APOD image from cache");
registry.counter("iotd_api_image_load", "status", "cached").increment();
}
return img;
}
}

32
learn/learn-kubernetes-master/kiamol/ch14/docker-images/image-of-the-day/src/main/java/iotd/models/ApodImage.java Normal file
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package iotd;
public class ApodImage {
private String url;
private String title;
private String copyright;
public String getUrl() {
return url;
}
public void setUrl(String url) {
this.url = url;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getCopyright() {
return copyright;
}
public void setCopyright(String copyright) {
this.copyright = copyright;
}
}

47
learn/learn-kubernetes-master/kiamol/ch14/docker-images/image-of-the-day/src/main/java/iotd/models/Image.java Normal file
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package iotd;
public class Image {
private String url;
private String caption;
private String copyright;
public Image() {}
public Image(String url, String caption, String copyright) {
setUrl(url);
setCaption(caption);
setCopyright(copyright);
}
public String getUrl() {
return url;
}
public void setUrl(String url) {
// if it's a YouTube link need to format the URL to get the thumbnail:
// https://www.youtube.com/embed/ts0Ek3nLHew?rel=0 ->
// https://img.youtube.com/vi/ts0Ek3nLHew/0.jpg
if (url.startsWith("https://www.youtube.com/embed/")) {
url = "https://img.youtube.com/vi/" + url.substring(30, url.length()-6) + "/0.jpg";
}
this.url = url;
}
public String getCaption() {
return caption;
}
public void setCaption(String caption) {
this.caption = caption;
}
public String getCopyright() {
return copyright;
}
public void setCopyright(String copyright) {
this.copyright = copyright;
}
}

8
learn/learn-kubernetes-master/kiamol/ch14/docker-images/image-of-the-day/src/main/java/iotd/services/CacheService.java Normal file
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package iotd;
import java.util.ArrayList;
public interface CacheService {
Image getImage();
void putImage(Image img);
}

34
learn/learn-kubernetes-master/kiamol/ch14/docker-images/image-of-the-day/src/main/java/iotd/services/MemoryCacheService.java Normal file
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package iotd;
import java.util.concurrent.TimeUnit;
import org.ehcache.config.CacheConfiguration;
import org.ehcache.config.builders.CacheConfigurationBuilder;
import org.ehcache.config.builders.CacheManagerBuilder;
import org.ehcache.config.builders.ResourcePoolsBuilder;
import org.ehcache.CacheManager;
import org.ehcache.Cache;
import org.ehcache.expiry.Duration;
import org.ehcache.expiry.Expirations;
import org.springframework.stereotype.Service;
@Service("CacheService")
public class MemoryCacheService implements CacheService {
private static Cache<String, Image> _ImageCache;
public MemoryCacheService() {
CacheManager cacheManager = CacheManagerBuilder.newCacheManagerBuilder().withCache("ImageCache",
CacheConfigurationBuilder.newCacheConfigurationBuilder(String.class,Image.class,
ResourcePoolsBuilder.heap(100))
.withExpiry(Expirations.timeToLiveExpiration(new Duration(2, TimeUnit.HOURS)))
.build()).build(true);
_ImageCache = cacheManager.getCache("ImageCache", String.class, Image.class);
}
public Image getImage(){
return (Image) _ImageCache.get("_Image");
}
public void putImage(Image img){
_ImageCache.put("_Image", img);
}
}

4
learn/learn-kubernetes-master/kiamol/ch14/docker-images/image-of-the-day/src/main/resources/application.properties Normal file
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server.port=80
apod.url=https://api.nasa.gov/planetary/apod?api_key=
apod.key=DEMO_KEY
management.endpoints.web.exposure.include=health,info,prometheus