diff options
Diffstat (limited to 'pnf-sim-lightweight/src/main/java/org/onap/pnfsimulator/simulator')
7 files changed, 570 insertions, 0 deletions
diff --git a/pnf-sim-lightweight/src/main/java/org/onap/pnfsimulator/simulator/Simulator.java b/pnf-sim-lightweight/src/main/java/org/onap/pnfsimulator/simulator/Simulator.java new file mode 100644 index 0000000..725fe43 --- /dev/null +++ b/pnf-sim-lightweight/src/main/java/org/onap/pnfsimulator/simulator/Simulator.java @@ -0,0 +1,213 @@ +/* + * ============LICENSE_START======================================================= + * PNF-REGISTRATION-HANDLER + * ================================================================================ Copyright (C) + * 2018 NOKIA Intellectual Property. All rights reserved. + * ================================================================================ Licensed under + * the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software distributed under the License + * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express + * or implied. See the License for the specific language governing permissions and limitations under + * the License. ============LICENSE_END========================================================= + */ + +package org.onap.pnfsimulator.simulator; + +import com.github.fge.jsonschema.core.exceptions.ProcessingException; +import java.io.IOException; +import java.time.Duration; +import java.time.Instant; +import java.util.List; +import java.util.Map; +import java.util.Optional; +import org.json.JSONObject; +import org.onap.pnfsimulator.FileProvider; +import org.onap.pnfsimulator.message.MessageProvider; +import org.onap.pnfsimulator.simulator.client.RestTemplateAdapter; +import org.onap.pnfsimulator.simulator.client.RestTemplateAdapterImpl; +import org.onap.pnfsimulator.simulator.validation.JSONValidator; +import org.onap.pnfsimulator.simulator.validation.NoRopFilesException; +import org.onap.pnfsimulator.simulator.validation.ValidationException; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.slf4j.MDC; +import org.slf4j.Marker; +import org.slf4j.MarkerFactory; + +public class Simulator extends Thread { + + private static final Logger LOGGER = LoggerFactory.getLogger(Simulator.class); + private final Marker EXIT = MarkerFactory.getMarker("EXIT"); + private Map<String, String> contextMap = MDC.getCopyOfContextMap(); + private boolean isEndless; + private String vesUrl; + private RestTemplateAdapter httpClient; + private JSONObject messageBody; + private Duration duration; + private Duration interval; + private Instant endTime; + private JSONObject commonEventHeaderParams; + private Optional<JSONObject> pnfRegistrationParams; + private Optional<JSONObject> notificationParams; + private String xnfUrl; + private static final String DEFAULT_OUTPUT_SCHEMA_PATH = "json_schema/output_validator_ves_schema_30.0.1.json"; + private FileProvider fileProvider; + private Exception thrownException = null; + + private Simulator() {} + + public static Builder builder() { + return new Builder(); + } + + @Override + public void run() { + setMdcContextMap(contextMap); + LOGGER.info("Simulation started - duration: {}, interval: {}s", getDuration(), interval.getSeconds()); + endTime = Instant.now().plus(duration); + while (isEndless || runningTimeNotExceeded()) { + try { + + List<String> fileList = fileProvider.getFiles(); + MessageProvider messageProvider = new MessageProvider(); + JSONValidator validator = new JSONValidator(); + messageBody = messageProvider.createMessage(this.commonEventHeaderParams, this.pnfRegistrationParams, + this.notificationParams, fileList, this.xnfUrl); + validator.validate(messageBody.toString(), DEFAULT_OUTPUT_SCHEMA_PATH); + + LOGGER.info("Message to be sent:\n" + getMessage()); + httpClient.send(messageBody.toString(), vesUrl); + Thread.sleep(interval.toMillis()); + } catch (InterruptedException | ValidationException | ProcessingException | IOException | NoRopFilesException e) { + LOGGER.info("Simulation stopped due to an exception: " + e); + thrownException = e; + return; + } + } + LOGGER.info(EXIT, "Simulation finished"); + MDC.clear(); + } + + private void setMdcContextMap(Map<String, String> mdcContextMap) { + if (mdcContextMap != null) + MDC.setContextMap(mdcContextMap); + } + + private String getMessage() { + return messageBody.toString(4); + } + + private String getDuration() { + return isEndless() ? "infinity" : duration.getSeconds() + "s"; + } + + private boolean runningTimeNotExceeded() { + return Instant.now().isBefore(endTime); + } + + public boolean isEndless() { + return isEndless; + } + + public Exception getThrownException() { + return thrownException; + } + + public long getRemainingTime() { + return Duration.between(Instant.now(), endTime).getSeconds(); + } + + public static class Builder { + + private String vesUrl; + private RestTemplateAdapter httpClient; + //private JSONObject messageBody; + private Duration duration; + private Duration interval; + private Optional<JSONObject> notificationParams; + private Optional<JSONObject> pnfRegistrationParams; + private JSONObject commonEventHeaderParams; + private String xnfUrl; + private FileProvider fileProvider; + + private Builder() { + this.vesUrl = ""; + this.httpClient = new RestTemplateAdapterImpl(); + //this.messageBody = new JSONObject(); + this.duration = Duration.ZERO; + this.interval = Duration.ZERO; + this.commonEventHeaderParams = new JSONObject(); + } + + public Builder withVesUrl(String vesUrl) { + this.vesUrl = vesUrl; + return this; + } + + public Builder withCustomRestTemplateAdapter(RestTemplateAdapter httpClient) { + this.httpClient = httpClient; + return this; + } + + /*public Builder withMessageBody(JSONObject messageBody) { + this.messageBody = messageBody; + return this; + }*/ + + public Builder withDuration(Duration duration) { + this.duration = duration; + return this; + } + + + public Builder withInterval(Duration interval) { + this.interval = interval; + return this; + } + + public Builder withCommonEventHeaderParams(JSONObject commonEventHeaderParams) { + this.commonEventHeaderParams = commonEventHeaderParams; + return this; + } + + public Builder withNotificationParams(Optional<JSONObject> notificationParams) { + this.notificationParams = notificationParams; + return this; + } + + public Builder withPnfRegistrationParams(Optional<JSONObject> pnfRegistrationParams) { + this.pnfRegistrationParams = pnfRegistrationParams; + return this; + } + + public Builder withXnfUrl(String xnfUrl) { + this.xnfUrl = xnfUrl; + return this; + } + + public Builder withFileProvider(FileProvider fileProvider) { + this.fileProvider = fileProvider; + return this; + } + + public Simulator build() { + Simulator simulator = new Simulator(); + simulator.vesUrl = this.vesUrl; + simulator.httpClient = this.httpClient; + //simulator.messageBody = this.messageBody; + simulator.duration = this.duration; + simulator.interval = this.interval; + simulator.xnfUrl = this.xnfUrl; + simulator.fileProvider = this.fileProvider; + simulator.commonEventHeaderParams = this.commonEventHeaderParams; + simulator.pnfRegistrationParams = this.pnfRegistrationParams; + simulator.notificationParams = this.notificationParams; + simulator.isEndless = duration.equals(Duration.ZERO); + return simulator; + } + } +} diff --git a/pnf-sim-lightweight/src/main/java/org/onap/pnfsimulator/simulator/SimulatorFactory.java b/pnf-sim-lightweight/src/main/java/org/onap/pnfsimulator/simulator/SimulatorFactory.java new file mode 100644 index 0000000..851e6ad --- /dev/null +++ b/pnf-sim-lightweight/src/main/java/org/onap/pnfsimulator/simulator/SimulatorFactory.java @@ -0,0 +1,54 @@ +/* + * ============LICENSE_START======================================================= + * PNF-REGISTRATION-HANDLER + * ================================================================================ Copyright (C) + * 2018 NOKIA Intellectual Property. All rights reserved. + * ================================================================================ Licensed under + * the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software distributed under the License + * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express + * or implied. See the License for the specific language governing permissions and limitations under + * the License. ============LICENSE_END========================================================= + */ + +package org.onap.pnfsimulator.simulator; + +import static java.lang.Integer.parseInt; +import static org.onap.pnfsimulator.message.MessageConstants.MESSAGE_INTERVAL; +import static org.onap.pnfsimulator.message.MessageConstants.TEST_DURATION; +import java.time.Duration; +import java.util.Optional; +import org.json.JSONObject; +import org.onap.pnfsimulator.ConfigurationProvider; +import org.onap.pnfsimulator.FileProvider; +import org.onap.pnfsimulator.PnfSimConfig; +import org.springframework.stereotype.Service; + +@Service +public class SimulatorFactory { + + public Simulator create(JSONObject simulatorParams, JSONObject commonEventHeaderParams, + Optional<JSONObject> pnfRegistrationParams, Optional<JSONObject> notificationParams) { + PnfSimConfig configuration = ConfigurationProvider.getConfigInstance(); + + String xnfUrl = null; + if (configuration.getTypefileserver().equals("sftp")) { + xnfUrl = configuration.getUrlsftp() + "/"; + } else if (configuration.getTypefileserver().equals("ftps")) { + xnfUrl = configuration.getUrlftps() + "/"; + } + + String urlVes = configuration.getUrlves(); + Duration duration = Duration.ofSeconds(parseInt(simulatorParams.getString(TEST_DURATION))); + Duration interval = Duration.ofSeconds(parseInt(simulatorParams.getString(MESSAGE_INTERVAL))); + + return Simulator.builder().withVesUrl(urlVes).withXnfUrl(xnfUrl).withDuration(duration) + .withFileProvider(new FileProvider()).withCommonEventHeaderParams(commonEventHeaderParams) + .withNotificationParams(notificationParams).withPnfRegistrationParams(pnfRegistrationParams) + .withInterval(interval).build(); + } +} diff --git a/pnf-sim-lightweight/src/main/java/org/onap/pnfsimulator/simulator/client/RestTemplateAdapter.java b/pnf-sim-lightweight/src/main/java/org/onap/pnfsimulator/simulator/client/RestTemplateAdapter.java new file mode 100644 index 0000000..92e66b4 --- /dev/null +++ b/pnf-sim-lightweight/src/main/java/org/onap/pnfsimulator/simulator/client/RestTemplateAdapter.java @@ -0,0 +1,26 @@ +/* + * ============LICENSE_START======================================================= + * PNF-REGISTRATION-HANDLER + * ================================================================================ + * Copyright (C) 2018 NOKIA Intellectual Property. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ + +package org.onap.pnfsimulator.simulator.client; + +public interface RestTemplateAdapter { + + void send(String content, String url); +} diff --git a/pnf-sim-lightweight/src/main/java/org/onap/pnfsimulator/simulator/client/RestTemplateAdapterImpl.java b/pnf-sim-lightweight/src/main/java/org/onap/pnfsimulator/simulator/client/RestTemplateAdapterImpl.java new file mode 100644 index 0000000..e082637 --- /dev/null +++ b/pnf-sim-lightweight/src/main/java/org/onap/pnfsimulator/simulator/client/RestTemplateAdapterImpl.java @@ -0,0 +1,155 @@ +/* + * ============LICENSE_START======================================================= + * PNF-REGISTRATION-HANDLER + * ================================================================================ + * Copyright (C) 2018 NOKIA Intellectual Property. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ + +package org.onap.pnfsimulator.simulator.client; + +import static org.onap.pnfsimulator.logging.MDCVariables.REQUEST_ID; +import static org.onap.pnfsimulator.logging.MDCVariables.X_INVOCATION_ID; +import static org.onap.pnfsimulator.logging.MDCVariables.X_ONAP_REQUEST_ID; +import static org.onap.pnfsimulator.logging.MDCVariables.AUTHORIZATION; + +import org.springframework.web.client.ResourceAccessException; +import java.security.KeyManagementException; +import java.security.KeyStoreException; +import java.security.NoSuchAlgorithmException; +import java.security.cert.X509Certificate; +import javax.net.ssl.SSLContext; +import javax.net.ssl.TrustManager; +import javax.net.ssl.X509TrustManager; +import org.apache.http.conn.ssl.NoopHostnameVerifier; +import org.apache.http.impl.client.CloseableHttpClient; +import org.apache.http.impl.client.HttpClients; +import org.springframework.http.client.HttpComponentsClientHttpRequestFactory; +import org.springframework.web.client.RestTemplate; + +import org.springframework.http.HttpEntity; +import org.springframework.http.ResponseEntity; +import org.springframework.http.HttpHeaders; + +import java.util.UUID; +import org.springframework.web.client.HttpClientErrorException; +import org.apache.http.client.config.RequestConfig; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.slf4j.MDC; +import org.slf4j.Marker; +import org.slf4j.MarkerFactory; + +public class RestTemplateAdapterImpl implements RestTemplateAdapter { + + private static final Logger LOGGER = LoggerFactory.getLogger(RestTemplateAdapterImpl.class); + private static final String CONTENT_TYPE = "Content-Type"; + private static final String APPLICATION_JSON = "application/json"; + private final Marker INVOKE = MarkerFactory.getMarker("INVOKE"); + private static final RequestConfig CONFIG = RequestConfig.custom() + .setConnectTimeout(1000) + .setConnectionRequestTimeout(1000) + .setSocketTimeout(1000) + .build(); + + private RestTemplate restTemplate; + + public RestTemplateAdapterImpl() { + try { + this.restTemplate = createRestTemplate(); + } catch (KeyStoreException | NoSuchAlgorithmException | KeyManagementException ex) { + LOGGER.warn("Error while creating a RestTemplate object: {}", ex.getMessage()); + } + } + + RestTemplateAdapterImpl(RestTemplate restTemplate) { + this.restTemplate = restTemplate; + } + + @Override + public void send(String content, String url) { + try { + HttpEntity<String> entity = createPostEntity(content); + ResponseEntity<String> response = restTemplate.postForEntity(url, entity, String.class); + LOGGER.info(INVOKE, "Message sent, ves response code: {}", response.getStatusCode()); + } catch (HttpClientErrorException codeEx) { + LOGGER.warn("Response body: ", codeEx.getResponseBodyAsString()); + LOGGER.warn("Error sending message to ves: {}", codeEx.getMessage()); + LOGGER.warn("URL: {}", url); + } catch (ResourceAccessException ioEx) { + LOGGER.warn("The URL cannot be reached: {}", ioEx.getMessage()); + LOGGER.warn("URL: {}", url); + } + } + + private CloseableHttpClient createClient() + throws KeyStoreException, NoSuchAlgorithmException, KeyManagementException { + + TrustManager[] trustAllCerts = new TrustManager[] { + new X509TrustManager() { + + public java.security.cert.X509Certificate[] getAcceptedIssuers() { + return new X509Certificate[0]; + } + + public void checkClientTrusted( + java.security.cert.X509Certificate[] certs, + String authType) {} + + public void checkServerTrusted( + java.security.cert.X509Certificate[] certs, + String authType) {} + } + }; + + SSLContext sslContext = SSLContext.getInstance("TLS"); + sslContext.init( + null, + trustAllCerts, + new java.security.SecureRandom() + ); + + CloseableHttpClient httpClient = HttpClients + .custom() + .setSSLContext(sslContext) + .setSSLHostnameVerifier(NoopHostnameVerifier.INSTANCE) + .build(); + + return httpClient; + } + + private RestTemplate createRestTemplate() + throws KeyStoreException, NoSuchAlgorithmException, KeyManagementException { + + CloseableHttpClient client = createClient(); + HttpComponentsClientHttpRequestFactory requestFactory = new HttpComponentsClientHttpRequestFactory(); + requestFactory.setHttpClient(client); + + return new RestTemplate(requestFactory); + + } + + private HttpEntity createPostEntity(String content) { + + HttpHeaders headers = new HttpHeaders(); + headers.set(CONTENT_TYPE, APPLICATION_JSON); + headers.set(AUTHORIZATION, MDC.get(AUTHORIZATION)); + headers.set(X_ONAP_REQUEST_ID, MDC.get(REQUEST_ID)); + headers.set(X_INVOCATION_ID, UUID.randomUUID().toString()); + + return new HttpEntity<>(content, headers); + + } +}
\ No newline at end of file diff --git a/pnf-sim-lightweight/src/main/java/org/onap/pnfsimulator/simulator/validation/JSONValidator.java b/pnf-sim-lightweight/src/main/java/org/onap/pnfsimulator/simulator/validation/JSONValidator.java new file mode 100644 index 0000000..89135f9 --- /dev/null +++ b/pnf-sim-lightweight/src/main/java/org/onap/pnfsimulator/simulator/validation/JSONValidator.java @@ -0,0 +1,66 @@ +/* + * ============LICENSE_START======================================================= + * PNF-REGISTRATION-HANDLER + * ================================================================================ + * Copyright (C) 2018 NOKIA Intellectual Property. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ + +package org.onap.pnfsimulator.simulator.validation; + +import com.fasterxml.jackson.databind.JsonNode; +import com.github.fge.jackson.JsonLoader; +import com.github.fge.jsonschema.core.exceptions.ProcessingException; +import com.github.fge.jsonschema.core.report.LogLevel; +import com.github.fge.jsonschema.core.report.ProcessingMessage; +import com.github.fge.jsonschema.core.report.ProcessingReport; +import com.github.fge.jsonschema.main.JsonSchema; +import com.github.fge.jsonschema.main.JsonSchemaFactory; +import com.google.gson.JsonParser; +import java.io.FileReader; +import java.io.IOException; +import java.util.stream.Collectors; +import java.util.stream.StreamSupport; + +public class JSONValidator { + + public void validate(String data, String jsonSchemaPath) + throws ValidationException, ProcessingException, IOException { + String jsonSchema = readJsonSchemaAsString(jsonSchemaPath); + JsonNode jsonData = JsonLoader.fromString(data); + ProcessingReport report = createJsonSchema(jsonSchema).validate(jsonData); + + if (!report.isSuccess()) { + throw new ValidationException(constructValidationErrors(report)); + } + } + + private String readJsonSchemaAsString(String schemaPath) throws IOException { + try (FileReader reader = new FileReader(schemaPath)) { + return new JsonParser().parse(reader).toString(); + } + } + + private JsonSchema createJsonSchema(String schema) throws ProcessingException, IOException { + return JsonSchemaFactory.byDefault().getJsonSchema(JsonLoader.fromString(schema)); + } + + private String constructValidationErrors(ProcessingReport report) { + return StreamSupport.stream(report.spliterator(), false) + .filter(entry -> entry.getLogLevel() == LogLevel.ERROR) + .map(ProcessingMessage::getMessage) + .collect(Collectors.joining("\n")); + } +} diff --git a/pnf-sim-lightweight/src/main/java/org/onap/pnfsimulator/simulator/validation/NoRopFilesException.java b/pnf-sim-lightweight/src/main/java/org/onap/pnfsimulator/simulator/validation/NoRopFilesException.java new file mode 100644 index 0000000..d3765a8 --- /dev/null +++ b/pnf-sim-lightweight/src/main/java/org/onap/pnfsimulator/simulator/validation/NoRopFilesException.java @@ -0,0 +1,28 @@ +/* + * ============LICENSE_START======================================================= + * PNF-REGISTRATION-HANDLER + * ================================================================================ + * Copyright (C) 2018 NOKIA Intellectual Property. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ + +package org.onap.pnfsimulator.simulator.validation; + +public class NoRopFilesException extends Exception { + + public NoRopFilesException(String message) { + super(message); + } +} diff --git a/pnf-sim-lightweight/src/main/java/org/onap/pnfsimulator/simulator/validation/ValidationException.java b/pnf-sim-lightweight/src/main/java/org/onap/pnfsimulator/simulator/validation/ValidationException.java new file mode 100644 index 0000000..a934917 --- /dev/null +++ b/pnf-sim-lightweight/src/main/java/org/onap/pnfsimulator/simulator/validation/ValidationException.java @@ -0,0 +1,28 @@ +/* + * ============LICENSE_START======================================================= + * PNF-REGISTRATION-HANDLER + * ================================================================================ + * Copyright (C) 2018 NOKIA Intellectual Property. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ + +package org.onap.pnfsimulator.simulator.validation; + +public class ValidationException extends Exception { + + public ValidationException(String message) { + super(message); + } +} |