@RequestMapping(value = "/{appName}/rules", method = RequestMethod.GET)
public HttpEntity<Resources<AutoscalingRuleResource>> getRules(@PathVariable String appName)
throws Exception {
Map<String, AutoscalingRule> namedRules =
autoscalingManager.getRules(appName).get(10, TimeUnit.MILLISECONDS);
Collection<Link> links = new ArrayList<Link>();
for (Map.Entry<String, AutoscalingRule> namedRule : namedRules.entrySet()) {
AutoscalingRuleResource rr = new AutoscalingRuleResource();
rr.setName(namedRule.getKey());
rr.setRule(namedRule.getValue());
rr.add(
linkTo(AutoscaledAppController.class)
.slash(appName)
.slash("rules")
.slash(namedRule.getKey())
.withSelfRel());
links.add(
linkTo(AutoscaledAppController.class)
.slash(appName)
.slash("rules")
.slash(namedRule.getKey())
.withRel("rule"));
}
List<AutoscalingRuleResource> rules = new ArrayList<AutoscalingRuleResource>(namedRules.size());
return new HttpEntity<Resources<AutoscalingRuleResource>>(
new Resources<AutoscalingRuleResource>(rules, links));
}
@RequestMapping(value = "/{appName}", method = RequestMethod.GET)
public HttpEntity<AutoscaledAppResource> get(@PathVariable String appName)
throws InterruptedException, ExecutionException {
AppInfo app = autoscalingManager.getApp(appName).get();
AutoscaledAppResource ar = new AutoscaledAppResource(appName);
ar.setMetrics(app.getMetrics());
ar.setInstanceCount(app.getInstanceCount());
ar.setScalingEvents(app.getScalingEvents());
ar.setActiveAlarms(app.getActiveAlarms());
ar.add(linkTo(AutoscaledAppController.class).slash(appName).withSelfRel());
ar.add(linkTo(AutoscaledAppController.class).slash(appName).slash("rules").withRel("rules"));
return new HttpEntity<AutoscaledAppResource>(ar);
}
@RequestMapping(value = "/{appName}/rules", method = RequestMethod.POST)
@ResponseStatus(HttpStatus.CREATED)
public void createRule(
@PathVariable String appName,
@RequestBody AutoscalingRuleResource rule,
UriComponentsBuilder builder,
HttpServletResponse response) {
autoscalingManager.addAutoscaleRule(appName, rule.getName(), rule.getRule());
String uriString =
builder
.path("/autoscaledapps/{appName}/rules/{ruleName}")
.buildAndExpand(appName, rule.getName())
.toUriString();
response.setHeader("location", uriString);
}
@RequestMapping(method = RequestMethod.POST)
@ResponseStatus(HttpStatus.CREATED)
public void autoscaleApplication(
@RequestBody AutoscaledApplicationResource autoscaledApplicationResource,
UriComponentsBuilder builder,
HttpServletResponse response) {
autoscalingManager.autoscaleApplication(
autoscaledApplicationResource.getAppName(),
autoscaledApplicationResource.getAutoScalingPolicy());
String uriString =
builder
.path("/autoscaledapps/{appName}")
.buildAndExpand(autoscaledApplicationResource.getAppName())
.toUriString();
response.setHeader("location", uriString);
}
@RequestMapping(method = RequestMethod.GET)
public HttpEntity<Resources<AutoscaledAppResource>> getAutoscaledApps() throws Exception {
List<String> autoscaledAppNames =
autoscalingManager.getAppNames().get(10, TimeUnit.MILLISECONDS);
List<AutoscaledAppResource> result =
new ArrayList<AutoscaledAppResource>(autoscaledAppNames.size());
Collection<Link> links = new ArrayList<Link>();
links.add(linkTo(AutoscaledAppController.class).withSelfRel());
for (String appName : autoscaledAppNames) {
AutoscaledAppResource ar = new AutoscaledAppResource(appName);
ar.add(linkTo(AutoscaledAppController.class).slash(appName).withSelfRel());
ar.add(linkTo(AutoscaledAppController.class).slash(appName).slash("rules").withRel("rules"));
links.add(linkTo(AutoscaledAppController.class).slash(appName).withRel("autoscaledApp"));
result.add(ar);
}
return new HttpEntity<Resources<AutoscaledAppResource>>(
new Resources<AutoscaledAppResource>(result, links));
}
