Merge "Added STD sim 2.0.0 tests"
[nonrtric.git] / policy-agent / src / main / java / org / oransc / policyagent / configuration / ApplicationConfig.java
index 00e5223..5e02098 100644 (file)
 
 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);
+    @NotEmpty
+    @Getter
+    @Value("${app.filepath}")
+    private String localConfigurationFilePath;
 
-    @Value("#{systemEnvironment}")
-    Properties systemEnvironment;
+    @Value("${server.ssl.key-store-type}")
+    private String sslKeyStoreType = "";
 
-    private Disposable refreshConfigTask = null;
+    @Value("${server.ssl.key-store-password}")
+    private String sslKeyStorePassword = "";
 
-    @NotEmpty
-    private String filepath;
+    @Value("${server.ssl.key-store}")
+    private String sslKeyStore = "";
 
-    private Vector<RicConfig> ricConfigs;
+    @Value("${server.ssl.key-password}")
+    private String sslKeyPassword = "";
 
-    @Autowired
-    public ApplicationConfig() {
-    }
+    @Value("${app.webclient.trust-store-used}")
+    private boolean sslTrustStoreUsed = false;
 
-    public synchronized void setFilepath(String filepath) {
-        this.filepath = filepath;
-    }
+    @Value("${app.webclient.trust-store-password}")
+    private String sslTrustStorePassword = "";
 
-    public Vector<RicConfig> getRicConfigs() {
-        return this.ricConfigs;
-    }
+    @Value("${app.webclient.trust-store}")
+    private String sslTrustStore = "";
 
-    public Optional<RicConfig> lookupRicConfigForManagedElement(String managedElementId) {
-        for (RicConfig ricConfig : getRicConfigs()) {
-            if (ricConfig.managedElementIds().contains(managedElementId)) {
-                return Optional.of(ricConfig);
-            }
-        }
-        return Optional.empty();
-    }
+    private Map<String, RicConfig> ricConfigs = new HashMap<>();
 
-    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 dmaapConsumerTopicUrl;
 
-    public void initialize() {
-        stop();
-        loadConfigurationFromFile(this.filepath);
+    @Getter
+    private String dmaapProducerTopicUrl;
 
-        refreshConfigTask = createRefreshTask() //
-            .subscribe(notUsed -> logger.info("Refreshed configuration data"),
-                throwable -> logger.error("Configuration refresh terminated due to exception", throwable),
-                () -> logger.error("Configuration refresh terminated"));
-    }
+    private Map<String, ControllerConfig> controllerConfigs = new HashMap<>();
 
-    Mono<EnvProperties> getEnvironment(Properties systemEnvironment) {
-        return EnvironmentProcessor.readEnvironmentVariables(systemEnvironment);
+    public synchronized Collection<RicConfig> getRicConfigs() {
+        return this.ricConfigs.values();
     }
 
-    Flux<ApplicationConfig> createRefreshTask() {
-        return getEnvironment(systemEnvironment) //
-            .flatMap(this::createCbsClient) //
-            .flatMapMany(this::periodicConfigurationUpdates) //
-            .map(this::parseRicConfigurationfromConsul) //
-            .onErrorResume(this::onErrorResume);
+    public WebClientConfig getWebClientConfig() {
+        return ImmutableWebClientConfig.builder() //
+            .keyStoreType(this.sslKeyStoreType) //
+            .keyStorePassword(this.sslKeyStorePassword) //
+            .keyStore(this.sslKeyStore) //
+            .keyPassword(this.sslKeyPassword) //
+            .isTrustStoreUsed(this.sslTrustStoreUsed) //
+            .trustStore(this.sslTrustStore) //
+            .trustStorePassword(this.sslTrustStorePassword) //
+            .build();
     }
 
-    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();
+
+        this.dmaapConsumerTopicUrl = parserResult.dmaapConsumerTopicUrl();
+        this.dmaapProducerTopicUrl = parserResult.dmaapProducerTopicUrl();
 
-    /**
-     * 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");
+        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);
     }
 }