X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=policy-agent%2Fsrc%2Fmain%2Fjava%2Forg%2Foransc%2Fpolicyagent%2Fconfiguration%2FApplicationConfig.java;h=5d7d5d98a982e61372ff248af2a8f081554a935f;hb=7ab83b874b5118ce9bbbbcab2c010c1d5f17ba98;hp=e41f55eb1a7d6a2ad16b598e1e957c69b798b8aa;hpb=dfbd081159b02601a48162a647848223a9303ebf;p=nonrtric.git diff --git a/policy-agent/src/main/java/org/oransc/policyagent/configuration/ApplicationConfig.java b/policy-agent/src/main/java/org/oransc/policyagent/configuration/ApplicationConfig.java index e41f55eb..5d7d5d98 100644 --- a/policy-agent/src/main/java/org/oransc/policyagent/configuration/ApplicationConfig.java +++ b/policy-agent/src/main/java/org/oransc/policyagent/configuration/ApplicationConfig.java @@ -20,178 +20,110 @@ package org.oransc.policyagent.configuration; -import com.google.gson.GsonBuilder; -import com.google.gson.JsonElement; -import com.google.gson.JsonObject; -import com.google.gson.JsonParser; -import com.google.gson.JsonSyntaxException; -import com.google.gson.TypeAdapterFactory; - -import java.io.BufferedInputStream; -import java.io.FileInputStream; -import java.io.IOException; -import java.io.InputStream; -import java.io.InputStreamReader; -import java.time.Duration; -import java.util.Optional; +import java.util.ArrayList; +import java.util.Collection; +import java.util.HashMap; +import java.util.Map; import java.util.Properties; -import java.util.ServiceLoader; -import java.util.Vector; import javax.validation.constraints.NotEmpty; -import javax.validation.constraints.NotNull; - -import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.CbsClient; -import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.CbsClientFactory; -import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.CbsRequests; -import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.CbsRequest; -import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.EnvProperties; -import org.onap.dcaegen2.services.sdk.rest.services.model.logging.RequestDiagnosticContext; + +import lombok.Getter; + import org.oransc.policyagent.exceptions.ServiceException; -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.boot.context.properties.ConfigurationProperties; import org.springframework.boot.context.properties.EnableConfigurationProperties; - -import reactor.core.Disposable; import reactor.core.publisher.Flux; -import reactor.core.publisher.Mono; @EnableConfigurationProperties @ConfigurationProperties("app") public class ApplicationConfig { - private static final Logger logger = LoggerFactory.getLogger(ApplicationConfig.class); - - @Value("#{systemEnvironment}") - Properties systemEnvironment; - - private Disposable refreshConfigTask = null; - @NotEmpty private String filepath; - private Vector ricConfigs; + private Map ricConfigs = new HashMap<>(); + @Getter + private Properties dmaapPublisherConfig; + @Getter + private Properties dmaapConsumerConfig; - @Autowired - public ApplicationConfig() { + private Map controllerConfigs = new HashMap<>(); + + public String getLocalConfigurationFilePath() { + return this.filepath; } + /* + * Do not remove, used by framework! + */ public synchronized void setFilepath(String filepath) { this.filepath = filepath; } - public Vector getRicConfigs() { - return this.ricConfigs; + public synchronized Collection getRicConfigs() { + return this.ricConfigs.values(); } - public Optional lookupRicConfigForManagedElement(String managedElementId) { - for (RicConfig ricConfig : getRicConfigs()) { - if (ricConfig.managedElementIds().contains(managedElementId)) { - return Optional.of(ricConfig); - } + public synchronized ControllerConfig getControllerConfig(String name) throws ServiceException { + ControllerConfig controllerConfig = this.controllerConfigs.get(name); + if (controllerConfig == null) { + throw new ServiceException("Could not find controller config: " + name); } - return Optional.empty(); + return controllerConfig; } - public RicConfig getRic(String ricName) throws ServiceException { - for (RicConfig ricConfig : getRicConfigs()) { - if (ricConfig.name().equals(ricName)) { - return ricConfig; - } + public synchronized RicConfig getRic(String ricName) throws ServiceException { + RicConfig ricConfig = this.ricConfigs.get(ricName); + if (ricConfig == null) { + throw new ServiceException("Could not find ric configuration: " + ricName); } - throw new ServiceException("Could not find ric: " + ricName); - } - - public void initialize() { - stop(); - loadConfigurationFromFile(this.filepath); - - refreshConfigTask = createRefreshTask() // - .subscribe(e -> logger.info("Refreshed configuration data"), - throwable -> logger.error("Configuration refresh terminated due to exception", throwable), - () -> logger.error("Configuration refresh terminated")); - } - - Mono getEnvironment(Properties systemEnvironment) { - return EnvironmentProcessor.readEnvironmentVariables(systemEnvironment); + return ricConfig; } - Flux createRefreshTask() { - return getEnvironment(systemEnvironment) // - .flatMap(this::createCbsClient) // - .flatMapMany(this::periodicConfigurationUpdates) // - .map(this::parseRicConfigurationfromConsul) // - .onErrorResume(this::onErrorResume); - } - - Mono createCbsClient(EnvProperties env) { - return CbsClientFactory.createCbsClient(env); - } - - private Flux periodicConfigurationUpdates(CbsClient cbsClient) { - final Duration initialDelay = Duration.ZERO; - final Duration refreshPeriod = Duration.ofMinutes(1); - final CbsRequest getConfigRequest = CbsRequests.getAll(RequestDiagnosticContext.create()); - return cbsClient.updates(getConfigRequest, initialDelay, refreshPeriod); - } - - private Mono onErrorResume(Throwable trowable) { - logger.error("Could not refresh application configuration {}", trowable.toString()); - return Mono.empty(); - } - - private ApplicationConfig parseRicConfigurationfromConsul(JsonObject jsonObject) { - try { - ApplicationConfigParser parser = new ApplicationConfigParser(); - parser.parse(jsonObject); - setConfiguration(parser.getRicConfigs()); - - } catch (ServiceException e) { - logger.error("Could not parse configuration {}", e.toString(), e); + public static class RicConfigUpdate { + public enum Type { + ADDED, CHANGED, REMOVED } - return this; - } - private synchronized void setConfiguration(@NotNull Vector ricConfigs) { - this.ricConfigs = ricConfigs; - } + @Getter + private final RicConfig ricConfig; + @Getter + private final Type type; - public void stop() { - if (refreshConfigTask != null) { - refreshConfigTask.dispose(); - refreshConfigTask = null; + RicConfigUpdate(RicConfig ric, Type event) { + this.ricConfig = ric; + this.type = event; } } - /** - * Reads the configuration from file. - */ - protected void loadConfigurationFromFile(String filepath) { - GsonBuilder gsonBuilder = new GsonBuilder(); - ServiceLoader.load(TypeAdapterFactory.class).forEach(gsonBuilder::registerTypeAdapterFactory); - - try (InputStream inputStream = createInputStream(filepath)) { - JsonParser parser = new JsonParser(); - JsonObject rootObject = getJsonElement(parser, inputStream).getAsJsonObject(); - if (rootObject == null) { - throw new JsonSyntaxException("Root is not a json object"); + public synchronized Flux setConfiguration( + ApplicationConfigParser.ConfigParserResult parserResult) { + + Collection modifications = new ArrayList<>(); + this.dmaapPublisherConfig = parserResult.dmaapPublisherConfig(); + this.dmaapConsumerConfig = parserResult.dmaapConsumerConfig(); + this.controllerConfigs = parserResult.controllerConfigs(); + + Map newRicConfigs = new HashMap<>(); + for (RicConfig newConfig : parserResult.ricConfigs()) { + RicConfig oldConfig = this.ricConfigs.get(newConfig.name()); + if (oldConfig == null) { + newRicConfigs.put(newConfig.name(), newConfig); + modifications.add(new RicConfigUpdate(newConfig, RicConfigUpdate.Type.ADDED)); + this.ricConfigs.remove(newConfig.name()); + } else if (!newConfig.equals(oldConfig)) { + modifications.add(new RicConfigUpdate(newConfig, RicConfigUpdate.Type.CHANGED)); + newRicConfigs.put(newConfig.name(), newConfig); + this.ricConfigs.remove(newConfig.name()); + } else { + newRicConfigs.put(oldConfig.name(), oldConfig); } - ApplicationConfigParser appParser = new ApplicationConfigParser(); - appParser.parse(rootObject); - this.ricConfigs = appParser.getRicConfigs(); - logger.info("Local configuration file loaded: {}", filepath); - } catch (JsonSyntaxException | ServiceException | IOException e) { - logger.trace("Local configuration file not loaded: {}", filepath, e); } - } - - JsonElement getJsonElement(JsonParser parser, InputStream inputStream) { - return parser.parse(new InputStreamReader(inputStream)); - } + for (RicConfig deletedConfig : this.ricConfigs.values()) { + modifications.add(new RicConfigUpdate(deletedConfig, RicConfigUpdate.Type.REMOVED)); + } + this.ricConfigs = newRicConfigs; - InputStream createInputStream(@NotNull String filepath) throws IOException { - return new BufferedInputStream(new FileInputStream(filepath)); + return Flux.fromIterable(modifications); } }