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authorgrabinsk <maciej.grabinski@nokia.com>2019-05-09 11:41:11 +0200
committergrabinsk <maciej.grabinski@nokia.com>2019-06-03 14:35:51 +0200
commit7c8f795a243d1b68c5f1595933aa564b513a23fd (patch)
tree28f57ef8d23c82332943429ce859c580ecf7080e /prh-app-server/src/main/java/org/onap
parentaa0e23d09507e7f675a747dd75120ed94e8c111d (diff)
cleanups around CbsClientConfiguration resolving
Change-Id: Id3c02de034fbf396e81dab39c4442880b346e70d Issue-ID: DCAEGEN2-1544 Signed-off-by: grabinsk <maciej.grabinski@nokia.com>
Diffstat (limited to 'prh-app-server/src/main/java/org/onap')
-rw-r--r--prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/MainApp.java6
-rw-r--r--prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/CbsClientConfigFileReader.java60
-rw-r--r--prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/CbsClientConfigurationResolver.java45
-rw-r--r--prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/CbsConfiguration.java18
-rw-r--r--prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/ConsulConfigFileReader.java79
5 files changed, 110 insertions, 98 deletions
diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/MainApp.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/MainApp.java
index 60955eae..3445c076 100644
--- a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/MainApp.java
+++ b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/MainApp.java
@@ -22,7 +22,7 @@ package org.onap.dcaegen2.services.prh;
import java.util.Map;
import java.util.UUID;
-import org.onap.dcaegen2.services.prh.configuration.ConsulConfigFileReader;
+
import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.providers.CloudConfigurationClient;
import org.slf4j.MDC;
import org.springframework.boot.SpringApplication;
@@ -65,8 +65,4 @@ public class MainApp {
return new CloudConfigurationClient();
}
- @Bean
- ConsulConfigFileReader getConfigFileLoader(){
- return new ConsulConfigFileReader();
- }
}
diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/CbsClientConfigFileReader.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/CbsClientConfigFileReader.java
new file mode 100644
index 00000000..f481f4ca
--- /dev/null
+++ b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/CbsClientConfigFileReader.java
@@ -0,0 +1,60 @@
+/*
+ * ============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.dcaegen2.services.prh.configuration;
+
+import com.google.gson.Gson;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+
+import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.CbsClientConfiguration;
+import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.ImmutableCbsClientConfiguration;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.core.io.Resource;
+import org.springframework.stereotype.Component;
+import reactor.core.publisher.Mono;
+
+@Component
+public class CbsClientConfigFileReader {
+
+ private static final Logger LOGGER = LoggerFactory.getLogger(CbsClientConfigFileReader.class);
+
+ private final Resource cbsClientConfigFile;
+
+ public CbsClientConfigFileReader(@Value("classpath:cbs_client_config.json") Resource cbsClientConfigFile) {
+ this.cbsClientConfigFile = cbsClientConfigFile;
+ }
+
+ public Mono<CbsClientConfiguration> readConfig() {
+ LOGGER.debug("Loading CBS client configuration from configuration file");
+ try (InputStream inputStream = cbsClientConfigFile.getInputStream()) {
+ CbsClientConfiguration config = new Gson().fromJson(
+ new InputStreamReader(inputStream, StandardCharsets.UTF_8), ImmutableCbsClientConfiguration.class);
+ LOGGER.info("Evaluated variables: {}", config);
+ return Mono.just(config);
+ } catch (Exception e) {
+ return Mono.error(new RuntimeException("Failed to load/parse CBS client configuration file", e));
+ }
+ }
+
+}
diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/CbsClientConfigurationResolver.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/CbsClientConfigurationResolver.java
new file mode 100644
index 00000000..ce4cd4ed
--- /dev/null
+++ b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/CbsClientConfigurationResolver.java
@@ -0,0 +1,45 @@
+/*
+ * ============LICENSE_START=======================================================
+ * PNF-REGISTRATION-HANDLER
+ * ================================================================================
+ * Copyright (C) 2019 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.dcaegen2.services.prh.configuration;
+
+import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.CbsClientConfiguration;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Component;
+import reactor.core.publisher.Mono;
+
+@Component
+public class CbsClientConfigurationResolver {
+
+ private static final Logger LOGGER = LoggerFactory.getLogger(CbsClientConfigurationResolver.class);
+ private final CbsClientConfigFileReader cbsClientConfigFileReader;
+
+ public CbsClientConfigurationResolver(CbsClientConfigFileReader cbsClientConfigFileReader) {
+ this.cbsClientConfigFileReader = cbsClientConfigFileReader;
+ }
+
+ Mono<CbsClientConfiguration> resolveCbsClientConfiguration() {
+ return Mono.fromSupplier(CbsClientConfiguration::fromEnvironment)
+ .doOnError(err -> LOGGER.warn("Failed resolving CBS client configuration from system environments", err))
+ .onErrorResume(err -> cbsClientConfigFileReader.readConfig());
+ }
+
+}
diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/CbsConfiguration.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/CbsConfiguration.java
index e262da55..1f752733 100644
--- a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/CbsConfiguration.java
+++ b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/CbsConfiguration.java
@@ -35,7 +35,6 @@ import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.Configuration;
import reactor.core.publisher.Flux;
-import reactor.core.publisher.Mono;
import reactor.core.scheduler.Schedulers;
import java.util.Optional;
@@ -51,27 +50,18 @@ public class CbsConfiguration implements Config {
private MessageRouterSubscribeRequest messageRouterCBSSubscribeRequest;
private MessageRouterPublishRequest messageRouterCBSUpdatePublishRequest;
- private final ConsulConfigFileReader consulConfigFileReader;
+ private final CbsClientConfigurationResolver cbsClientConfigurationResolver;
- public CbsConfiguration(ConsulConfigFileReader consulConfigFileReader) {
- this.consulConfigFileReader = consulConfigFileReader;
+ public CbsConfiguration(CbsClientConfigurationResolver cbsClientConfigurationResolver) {
+ this.cbsClientConfigurationResolver = cbsClientConfigurationResolver;
}
public void runTask() {
- Flux.defer(this::resolveCbsClientConfiguration)
+ Flux.defer(cbsClientConfigurationResolver::resolveCbsClientConfiguration)
.subscribeOn(Schedulers.parallel())
.subscribe(this::parsingConfigSuccess, this::parsingConfigError);
}
- private Mono<CbsClientConfiguration> resolveCbsClientConfiguration() {
- try {
- return Mono.just(CbsClientConfiguration.fromEnvironment());
- } catch(Exception e){
- parsingConfigError(e);
- return consulConfigFileReader.evaluate();
- }
- }
-
private void parsingConfigSuccess(CbsClientConfiguration cbsClientConfiguration) {
LOGGER.debug("Fetching PRH configuration from Consul");
CbsClientFactory.createCbsClient(cbsClientConfiguration)
diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/ConsulConfigFileReader.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/ConsulConfigFileReader.java
deleted file mode 100644
index 401db881..00000000
--- a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/configuration/ConsulConfigFileReader.java
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * ============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.dcaegen2.services.prh.configuration;
-
-import com.google.gson.Gson;
-import com.google.gson.JsonElement;
-import com.google.gson.JsonParser;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.nio.charset.StandardCharsets;
-import java.util.Optional;
-import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.CbsClientConfiguration;
-import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.ImmutableCbsClientConfiguration;
-import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.ImmutableCbsClientConfiguration;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.context.annotation.Configuration;
-import org.springframework.core.io.Resource;
-import reactor.core.publisher.Mono;
-
-@Configuration
-public class ConsulConfigFileReader {
-
- private static final Logger LOGGER = LoggerFactory.getLogger(ConsulConfigFileReader.class);
- private static final int DEFAULT_CONSUL_PORT = 8500;
- private ImmutableCbsClientConfiguration jsonCbsClientConfiguration;
-
- @Value("classpath:consul_config.json")
- private Resource consulConfig;
-
- public Mono<CbsClientConfiguration> evaluate() {
- initFileStreamReader();
- CbsClientConfiguration cbsClientConfiguration = ImmutableCbsClientConfiguration.builder()
- .consulHost(jsonCbsClientConfiguration.consulHost())
- .consulPort(Optional.ofNullable(jsonCbsClientConfiguration.consulPort()).orElse(DEFAULT_CONSUL_PORT))
- .cbsName(jsonCbsClientConfiguration.cbsName())
- .appName(jsonCbsClientConfiguration.appName())
- .build();
- LOGGER.info("Evaluated variables: {}", cbsClientConfiguration);
- return Mono.just(cbsClientConfiguration);
- }
-
- private void initFileStreamReader() {
- LOGGER.debug("Loading configuration from configuration file");
- Gson gson = new Gson();
- try (InputStream inputStream = consulConfig.getInputStream()) {
- JsonElement rootElement = getJsonElement(inputStream);
- if (rootElement.isJsonObject()) {
- jsonCbsClientConfiguration = gson.fromJson(rootElement, ImmutableCbsClientConfiguration.class);
- }
- } catch (IOException e) {
- LOGGER.warn("Failed to load/parse file", e);
- }
- }
-
- private JsonElement getJsonElement(InputStream inputStream) {
- return new JsonParser().parse(new InputStreamReader(inputStream, StandardCharsets.UTF_8));
- }
-}