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.Properties;
-import java.util.ServiceLoader;
-import java.util.Vector;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
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")
+@ConfigurationProperties()
public class ApplicationConfig {
- private static final Logger logger = LoggerFactory.getLogger(ApplicationConfig.class);
-
- @Value("#{systemEnvironment}")
- Properties systemEnvironment;
-
- private Disposable refreshConfigTask = null;
-
@NotEmpty
- private String filepath;
+ @Getter
+ @Value("${app.filepath}")
+ private String localConfigurationFilePath;
- private Vector<RicConfig> ricConfigs;
+ @Value("${app.webclient.trust-store-used}")
+ private boolean sslTrustStoreUsed = false;
- @Autowired
- public ApplicationConfig() {
- }
+ @Value("${app.webclient.trust-store-password}")
+ private String sslTrustStorePassword = "";
- public synchronized void setFilepath(String filepath) {
- this.filepath = filepath;
- }
+ @Value("${app.webclient.trust-store}")
+ private String sslTrustStore = "";
- public Vector<RicConfig> getRicConfigs() {
- return this.ricConfigs;
- }
+ private Map<String, RicConfig> ricConfigs = new HashMap<>();
- public Optional<RicConfig> lookupRicConfigForManagedElement(String managedElementId) {
- for (RicConfig ricConfig : getRicConfigs()) {
- if (ricConfig.managedElementIds().contains(managedElementId)) {
- return Optional.of(ricConfig);
- }
- }
- return Optional.empty();
- }
+ @Getter
+ private String dmaapConsumerTopicUrl;
- public RicConfig getRic(String ricName) throws ServiceException {
- for (RicConfig ricConfig : getRicConfigs()) {
- if (ricConfig.name().equals(ricName)) {
- return ricConfig;
- }
- }
- throw new ServiceException("Could not find ric: " + ricName);
- }
+ @Getter
+ private String dmaapProducerTopicUrl;
- public void initialize() {
- stop();
- loadConfigurationFromFile(this.filepath);
+ private Map<String, ControllerConfig> controllerConfigs = new HashMap<>();
- refreshConfigTask = createRefreshTask() //
- .subscribe(e -> logger.info("Refreshed configuration data"),
- throwable -> logger.error("Configuration refresh terminated due to exception", throwable),
- () -> logger.error("Configuration refresh terminated"));
+ public synchronized Collection<RicConfig> getRicConfigs() {
+ return this.ricConfigs.values();
}
- Mono<EnvProperties> getEnvironment(Properties systemEnvironment) {
- return EnvironmentProcessor.readEnvironmentVariables(systemEnvironment);
+ public WebClientConfig getWebClientConfig() {
+ return ImmutableWebClientConfig.builder() //
+ .isTrustStoreUsed(this.sslTrustStoreUsed) //
+ .trustStore(this.sslTrustStore) //
+ .trustStorePassword(this.sslTrustStorePassword) //
+ .build();
}
- Flux<ApplicationConfig> createRefreshTask() {
- return getEnvironment(systemEnvironment) //
- .flatMap(this::createCbsClient) //
- .flatMapMany(this::periodicConfigurationUpdates) //
- .map(this::parseRicConfigurationfromConsul) //
- .onErrorResume(this::onErrorResume);
- }
-
- Mono<CbsClient> createCbsClient(EnvProperties env) {
- return CbsClientFactory.createCbsClient(env);
+ 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 controllerConfig;
}
- private Flux<JsonObject> 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);
+ 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);
+ }
+ return ricConfig;
}
- private <R> Mono<R> onErrorResume(Throwable trowable) {
- logger.error("Could not refresh application configuration {}", trowable.toString());
- return Mono.empty();
- }
+ public static class RicConfigUpdate {
+ public enum Type {
+ ADDED, CHANGED, REMOVED
+ }
- private ApplicationConfig parseRicConfigurationfromConsul(JsonObject jsonObject) {
- try {
- ApplicationConfigParser parser = new ApplicationConfigParser();
- parser.parse(jsonObject);
- setConfiguration(parser.getRicConfigs());
+ @Getter
+ private final RicConfig ricConfig;
+ @Getter
+ private final Type type;
- } catch (ServiceException e) {
- logger.error("Could not parse configuration {}", e.toString(), e);
+ RicConfigUpdate(RicConfig ric, Type event) {
+ this.ricConfig = ric;
+ this.type = event;
}
- return this;
}
- private synchronized void setConfiguration(@NotNull Vector<RicConfig> ricConfigs) {
- this.ricConfigs = ricConfigs;
- }
+ public synchronized Flux<RicConfigUpdate> setConfiguration(
+ ApplicationConfigParser.ConfigParserResult parserResult) {
- public void stop() {
- if (refreshConfigTask != null) {
- refreshConfigTask.dispose();
- refreshConfigTask = null;
- }
- }
+ Collection<RicConfigUpdate> modifications = new ArrayList<>();
+ this.controllerConfigs = parserResult.controllerConfigs();
- /**
- * 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");
+ this.dmaapConsumerTopicUrl = parserResult.dmaapConsumerTopicUrl();
+ this.dmaapProducerTopicUrl = parserResult.dmaapProducerTopicUrl();
+
+ Map<String, RicConfig> newRicConfigs = new HashMap<>();
+ for (RicConfig newConfig : parserResult.ricConfigs()) {
+ RicConfig oldConfig = this.ricConfigs.get(newConfig.name());
+ this.ricConfigs.remove(newConfig.name());
+ if (oldConfig == null) {
+ newRicConfigs.put(newConfig.name(), newConfig);
+ modifications.add(new RicConfigUpdate(newConfig, RicConfigUpdate.Type.ADDED));
+ } else if (!newConfig.equals(oldConfig)) {
+ modifications.add(new RicConfigUpdate(newConfig, RicConfigUpdate.Type.CHANGED));
+ newRicConfigs.put(newConfig.name(), newConfig);
+ } 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);
}
}