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authorelinuxhenrik <henrik.b.andersson@est.tech>2020-11-06 15:15:42 +0100
committerelinuxhenrik <henrik.b.andersson@est.tech>2020-11-09 16:35:12 +0100
commit0c065812bed60c79b03090ba174df8a75247990f (patch)
treea16bd39b46237537dfb0c21751c0b939159ecc35 /a1-policy-management/src
parent4dec4dc6aa0b526bb21aedee4b1120d795300978 (diff)
Break out configuration file read
Break out the reading of the configuration file to a separate class to prepare for the addition of a REST API to replace the configuration file. Change-Id: If61669563d8bc9b0b235a49a30fae3b3efbc5148 Issue-ID: CCSDK-2966 Signed-off-by: elinuxhenrik <henrik.b.andersson@est.tech>
Diffstat (limited to 'a1-policy-management/src')
-rw-r--r--a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/configuration/ConfigurationFile.java93
-rw-r--r--a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshConfigTask.java48
-rw-r--r--a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/configuration/ConfigurationFileTest.java120
-rw-r--r--a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshConfigTaskTest.java50
4 files changed, 237 insertions, 74 deletions
diff --git a/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/configuration/ConfigurationFile.java b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/configuration/ConfigurationFile.java
new file mode 100644
index 00000000..345722cb
--- /dev/null
+++ b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/configuration/ConfigurationFile.java
@@ -0,0 +1,93 @@
+/*-
+ * ========================LICENSE_START=================================
+ * Copyright (C) 2020 Nordix Foundation. 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.ccsdk.oran.a1policymanagementservice.configuration;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.Optional;
+import javax.validation.constraints.NotNull;
+import org.onap.ccsdk.oran.a1policymanagementservice.exceptions.ServiceException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Component
+public class ConfigurationFile {
+ private static final Logger logger = LoggerFactory.getLogger(ConfigurationFile.class);
+
+ final ApplicationConfig appConfig;
+ final Gson gson = new Gson();
+
+ @Autowired
+ public ConfigurationFile(ApplicationConfig appConfig) {
+ this.appConfig = appConfig;
+ }
+
+ public synchronized Optional<JsonObject> readFile() {
+ String filepath = appConfig.getLocalConfigurationFilePath();
+ if (!fileExists(filepath)) {
+ return Optional.empty();
+ }
+
+ try (InputStream inputStream = createInputStream(filepath)) {
+ JsonObject rootObject = getJsonElement(inputStream).getAsJsonObject();
+ logger.debug("Local configuration file loaded: {}", filepath);
+ return Optional.of(rootObject);
+ } catch (Exception e) {
+ logger.error("Local configuration file not loaded: {}, {}", filepath, e.getMessage());
+ return Optional.empty();
+ }
+ }
+
+ public synchronized void writeFile(JsonObject content) throws ServiceException {
+ String filepath = appConfig.getLocalConfigurationFilePath();
+ try (FileWriter fileWriter = getFileWriter(filepath)) {
+ gson.toJson(content, fileWriter);
+ } catch (IOException e) {
+ logger.error("Local configuration file not written: {}, {}", filepath, e.getMessage());
+ throw new ServiceException("Local configuration file not written");
+ }
+ }
+
+ FileWriter getFileWriter(String filepath) throws IOException {
+ return new FileWriter(filepath);
+ }
+
+ private boolean fileExists(String filepath) {
+ return (new File(filepath).exists());
+ }
+
+ private JsonElement getJsonElement(InputStream inputStream) {
+ return JsonParser.parseReader(new InputStreamReader(inputStream));
+ }
+
+ private InputStream createInputStream(@NotNull String filepath) throws IOException {
+ return new BufferedInputStream(new FileInputStream(filepath));
+ }
+}
diff --git a/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshConfigTask.java b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshConfigTask.java
index e4d7d8d7..b8341240 100644
--- a/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshConfigTask.java
+++ b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshConfigTask.java
@@ -20,21 +20,12 @@
package org.onap.ccsdk.oran.a1policymanagementservice.tasks;
-import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
-import com.google.gson.JsonParser;
-import java.io.BufferedInputStream;
-import java.io.File;
-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 javax.validation.constraints.NotNull;
-
import lombok.AccessLevel;
import lombok.Getter;
@@ -43,6 +34,7 @@ import org.onap.ccsdk.oran.a1policymanagementservice.clients.AsyncRestClientFact
import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfig;
import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfig.RicConfigUpdate;
import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfigParser;
+import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ConfigurationFile;
import org.onap.ccsdk.oran.a1policymanagementservice.configuration.RicConfig;
import org.onap.ccsdk.oran.a1policymanagementservice.repository.Policies;
import org.onap.ccsdk.oran.a1policymanagementservice.repository.PolicyTypes;
@@ -83,6 +75,7 @@ public class RefreshConfigTask {
*/
static final Duration CONFIG_REFRESH_INTERVAL = Duration.ofMinutes(1);
+ final ConfigurationFile configurationFile;
final ApplicationConfig appConfig;
@Getter(AccessLevel.PROTECTED)
private Disposable refreshTask = null;
@@ -96,8 +89,9 @@ public class RefreshConfigTask {
private final AsyncRestClientFactory restClientFactory;
@Autowired
- public RefreshConfigTask(ApplicationConfig appConfig, Rics rics, Policies policies, Services services,
- PolicyTypes policyTypes, A1ClientFactory a1ClientFactory) {
+ public RefreshConfigTask(ConfigurationFile configurationFile, ApplicationConfig appConfig, Rics rics,
+ Policies policies, Services services, PolicyTypes policyTypes, A1ClientFactory a1ClientFactory) {
+ this.configurationFile = configurationFile;
this.appConfig = appConfig;
this.rics = rics;
this.policies = policies;
@@ -195,10 +189,6 @@ public class RefreshConfigTask {
return this.appConfig.setConfiguration(config);
}
- boolean fileExists(String filepath) {
- return (filepath != null && (new File(filepath).exists()));
- }
-
private void removePoliciciesInRic(@Nullable Ric ric) {
if (ric != null) {
RicSynchronizationTask synch =
@@ -245,28 +235,10 @@ public class RefreshConfigTask {
* Reads the configuration from file.
*/
Flux<JsonObject> loadConfigurationFromFile() {
- String filepath = appConfig.getLocalConfigurationFilePath();
- if (!fileExists(filepath)) {
- return Flux.empty();
- }
-
- try (InputStream inputStream = createInputStream(filepath)) {
- JsonObject rootObject = getJsonElement(inputStream).getAsJsonObject();
- ApplicationConfigParser appParser = new ApplicationConfigParser();
- appParser.parse(rootObject);
- logger.debug("Local configuration file loaded: {}", filepath);
- return Flux.just(rootObject);
- } catch (Exception e) {
- logger.error("Local configuration file not loaded: {}, {}", filepath, e.getMessage());
- return Flux.empty();
+ Optional<JsonObject> readJson = configurationFile.readFile();
+ if (readJson.isPresent()) {
+ return Flux.just(readJson.get());
}
- }
-
- JsonElement getJsonElement(InputStream inputStream) {
- return JsonParser.parseReader(new InputStreamReader(inputStream));
- }
-
- InputStream createInputStream(@NotNull String filepath) throws IOException {
- return new BufferedInputStream(new FileInputStream(filepath));
+ return Flux.empty();
}
}
diff --git a/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/configuration/ConfigurationFileTest.java b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/configuration/ConfigurationFileTest.java
new file mode 100644
index 00000000..ad4cbb81
--- /dev/null
+++ b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/configuration/ConfigurationFileTest.java
@@ -0,0 +1,120 @@
+/*-
+ * ========================LICENSE_START=================================
+ * Copyright (C) 2020 Nordix Foundation. 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.ccsdk.oran.a1policymanagementservice.configuration;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.ArgumentMatchers.any;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.mockito.Mockito.doThrow;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+import ch.qos.logback.classic.Level;
+import ch.qos.logback.classic.spi.ILoggingEvent;
+import ch.qos.logback.core.read.ListAppender;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.util.Optional;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.junit.jupiter.api.io.TempDir;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import org.onap.ccsdk.oran.a1policymanagementservice.exceptions.ServiceException;
+import org.onap.ccsdk.oran.a1policymanagementservice.utils.LoggingUtils;
+
+@ExtendWith(MockitoExtension.class)
+class ConfigurationFileTest {
+ @Mock
+ ApplicationConfig applicationConfigMock;
+
+ @TempDir
+ public File temporaryFolder;
+
+ @Test
+ void writeFileWithError_shouldThrowExceptionAndLogError() throws Exception {
+ File tempJsonFile = new File(temporaryFolder, "config.json");
+ String filePath = tempJsonFile.getAbsolutePath();
+
+ ConfigurationFile configFileUnderTestSpy = spy(new ConfigurationFile(applicationConfigMock));
+
+ when(applicationConfigMock.getLocalConfigurationFilePath()).thenReturn(filePath);
+ doThrow(new IOException("Error")).when(configFileUnderTestSpy).getFileWriter(any(String.class));
+
+ ListAppender<ILoggingEvent> logAppender = LoggingUtils.getLogListAppender(ConfigurationFile.class, Level.ERROR);
+ Exception actualException =
+ assertThrows(ServiceException.class, () -> configFileUnderTestSpy.writeFile(new JsonObject()));
+
+ assertThat(actualException.getMessage()).startsWith("Local configuration file not written");
+
+ assertThat(logAppender.list.get(0).getFormattedMessage()).startsWith("Local configuration file not written");
+ }
+
+ @Test
+ void writeAndReadFile_shouldBeOk() throws Exception {
+ File tempJsonFile = new File(temporaryFolder, "config.json");
+ String filePath = tempJsonFile.getAbsolutePath();
+
+ ConfigurationFile configFileUnderTest = new ConfigurationFile(applicationConfigMock);
+
+ JsonObject content = JsonParser.parseString("{\"test\":\"test\"}").getAsJsonObject();
+
+ when(applicationConfigMock.getLocalConfigurationFilePath()).thenReturn(filePath);
+
+ configFileUnderTest.writeFile(content);
+
+ Optional<JsonObject> readContent = configFileUnderTest.readFile();
+
+ assertThat(readContent).isNotEmpty().hasValue(content);
+ }
+
+ @Test
+ void readWhenFileMissing_shouldReturnEmpty() {
+ ConfigurationFile configFileUnderTest = new ConfigurationFile(applicationConfigMock);
+
+ String filePath = "configFile.json";
+ when(applicationConfigMock.getLocalConfigurationFilePath()).thenReturn(filePath);
+
+ Optional<JsonObject> readContent = configFileUnderTest.readFile();
+
+ assertThat(readContent).isEmpty();
+ }
+
+ @Test
+ void readWhenFileWithIoError_shouldReturnEmptyAndLogError() throws Exception {
+ File tempJsonFile = new File(temporaryFolder, "config.json");
+ String filePath = tempJsonFile.getAbsolutePath();
+ Files.write(tempJsonFile.toPath(), "".getBytes());
+
+ ConfigurationFile configFileUnderTest = new ConfigurationFile(applicationConfigMock);
+
+ when(applicationConfigMock.getLocalConfigurationFilePath()).thenReturn(filePath);
+
+ ListAppender<ILoggingEvent> logAppender = LoggingUtils.getLogListAppender(ConfigurationFile.class, Level.ERROR);
+ Optional<JsonObject> readContent = configFileUnderTest.readFile();
+
+ assertThat(readContent).isEmpty();
+
+ assertThat(logAppender.list.get(0).getFormattedMessage())
+ .isEqualTo("Local configuration file not loaded: " + filePath + ", Not a JSON Object: null");
+ }
+}
diff --git a/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshConfigTaskTest.java b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshConfigTaskTest.java
index 04951ee7..07a62010 100644
--- a/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshConfigTaskTest.java
+++ b/a1-policy-management/src/test/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshConfigTaskTest.java
@@ -34,28 +34,20 @@ import static org.mockito.Mockito.when;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.core.read.ListAppender;
-
import com.google.common.base.Charsets;
import com.google.common.io.Resources;
-import com.google.gson.JsonIOException;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
-import com.google.gson.JsonSyntaxException;
-
-import java.io.ByteArrayInputStream;
import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
import java.net.URL;
-import java.nio.charset.StandardCharsets;
import java.time.Duration;
import java.time.Instant;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
+import java.util.Optional;
import java.util.Properties;
import java.util.Vector;
-
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mock;
@@ -66,6 +58,7 @@ import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationCo
import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfig.RicConfigUpdate.Type;
import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfigParser;
import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfigParser.ConfigParserResult;
+import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ConfigurationFile;
import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ImmutableConfigParserResult;
import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ImmutableRicConfig;
import org.onap.ccsdk.oran.a1policymanagementservice.configuration.RicConfig;
@@ -81,7 +74,6 @@ import org.onap.ccsdk.oran.a1policymanagementservice.utils.LoggingUtils;
import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.CbsClient;
import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.EnvProperties;
import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.ImmutableEnvProperties;
-
import reactor.core.publisher.Mono;
import reactor.test.StepVerifier;
@@ -99,6 +91,9 @@ class RefreshConfigTaskTest {
@Mock
CbsClient cbsClient;
+ @Mock
+ ConfigurationFile configurationFileMock;
+
private static final String RIC_1_NAME = "ric1";
private static final RicConfig CORRECT_RIC_CONIFG = ImmutableRicConfig.builder() //
.ricId(RIC_1_NAME) //
@@ -122,13 +117,11 @@ class RefreshConfigTaskTest {
private RefreshConfigTask createTestObject(boolean configFileExists, Rics rics, Policies policies,
boolean stubConfigFileExists) {
- doReturn("fileName").when(appConfig).getLocalConfigurationFilePath();
- doReturn(null).when(appConfig).getWebClientConfig();
- RefreshConfigTask obj = spy(new RefreshConfigTask(appConfig, rics, policies, new Services(), new PolicyTypes(),
- new A1ClientFactory(appConfig)));
+ RefreshConfigTask obj = spy(new RefreshConfigTask(configurationFileMock, appConfig, rics, policies,
+ new Services(), new PolicyTypes(), new A1ClientFactory(appConfig)));
if (stubConfigFileExists) {
- doReturn(configFileExists).when(obj).fileExists(any());
+ when(configurationFileMock.readFile()).thenReturn(Optional.empty());
}
return obj;
}
@@ -138,7 +131,7 @@ class RefreshConfigTaskTest {
refreshTaskUnderTest = this.createTestObject(CONFIG_FILE_EXISTS);
refreshTaskUnderTest.systemEnvironment = new Properties();
// When
- doReturn(getCorrectJson()).when(refreshTaskUnderTest).createInputStream(any());
+ when(configurationFileMock.readFile()).thenReturn(getCorrectJson());
StepVerifier //
.create(refreshTaskUnderTest.createRefreshTask()) //
@@ -160,13 +153,12 @@ class RefreshConfigTaskTest {
}
@Test
- void whenFileExistsButJsonIsIncorrect_thenNoRicsArePutInRepositoryAndErrorIsLogged() throws Exception {
+ void whenFileExistsButJsonIsIncorrect_thenNoRicsArePutInRepository() throws Exception {
refreshTaskUnderTest = this.createTestObject(CONFIG_FILE_EXISTS);
refreshTaskUnderTest.systemEnvironment = new Properties();
// When
- final String JUNK_JSON = "{\"junk }";
- doReturn(getJsonSteam(JUNK_JSON)).when(refreshTaskUnderTest).createInputStream(any());
+ when(configurationFileMock.readFile()).thenReturn(Optional.empty());
final ListAppender<ILoggingEvent> logAppender = LoggingUtils.getLogListAppender(RefreshConfigTask.class, ERROR);
@@ -180,10 +172,6 @@ class RefreshConfigTaskTest {
// Then
verify(refreshTaskUnderTest).loadConfigurationFromFile();
assertThat(appConfig.getRicConfigs()).isEmpty();
-
- await().until(() -> logAppender.list.size() > 0);
- assertThat(logAppender.list.get(0).getFormattedMessage())
- .startsWith("Local configuration file not loaded: fileName, ");
}
@Test
@@ -232,7 +220,7 @@ class RefreshConfigTaskTest {
doReturn(Mono.just(props)).when(refreshTaskUnderTest).getEnvironment(any());
doReturn(Mono.just(cbsClient)).when(refreshTaskUnderTest).createCbsClient(props);
- JsonObject configAsJson = getJsonRootObject(getCorrectJson());
+ JsonObject configAsJson = getCorrectJson().get();
String newBaseUrl = "newBaseUrl";
modifyTheRicConfiguration(configAsJson, newBaseUrl);
when(cbsClient.get(any())).thenReturn(Mono.just(configAsJson));
@@ -332,19 +320,9 @@ class RefreshConfigTaskTest {
.addProperty("baseUrl", newBaseUrl);
}
- private JsonObject getJsonRootObject(InputStream inStream)
- throws JsonIOException, JsonSyntaxException, IOException {
- JsonObject rootObject = JsonParser.parseReader(new InputStreamReader(inStream)).getAsJsonObject();
- return rootObject;
- }
-
- private static InputStream getCorrectJson() throws IOException {
+ private static Optional<JsonObject> getCorrectJson() throws IOException {
URL url = ApplicationConfigParser.class.getClassLoader().getResource("test_application_configuration.json");
String string = Resources.toString(url, Charsets.UTF_8);
- return new ByteArrayInputStream((string.getBytes(StandardCharsets.UTF_8)));
- }
-
- private static InputStream getJsonSteam(String json) {
- return new ByteArrayInputStream((json.getBytes(StandardCharsets.UTF_8)));
+ return Optional.of(JsonParser.parseString(string).getAsJsonObject());
}
}