Move parameters from config Json file to application.yaml

Issue-ID: POLICY-3343
Change-Id: Id78c00a5a241337f684a70feeee543f3a88fc01c
Signed-off-by: FrancescoFioraEst <francesco.fiora@est.tech>

5 files changed, 17 insertions, 138 deletions

diff --git a/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/Application.java b/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/Application.java
index ffa0bceb9..37ecf4e6f 100644
--- a/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/Application.java
+++ b/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/Application.java
@@ -22,19 +22,21 @@ package org.onap.policy.clamp.controlloop.participant.kubernetes;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.context.properties.ConfigurationPropertiesScan;
 
 /**
  * Starter.
  *
  */
 @SpringBootApplication
+@ConfigurationPropertiesScan("org.onap.policy.clamp.controlloop.participant.kubernetes.parameters")
 public class Application {
     /**
      * Main class.
+     *
      * @param args args
      */
     public static void main(String[] args) {
         SpringApplication.run(Application.class, args);
     }
 }
-
diff --git a/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/configurations/ParametersConfig.java b/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/configurations/ParametersConfig.java
deleted file mode 100644
index 5f2a4e4ad..000000000
--- a/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/configurations/ParametersConfig.java
+++ /dev/null
@@ -1,41 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2021 Nordix Foundation.
- * ================================================================================
- * 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.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.clamp.controlloop.participant.kubernetes.configurations;
-
-import org.onap.policy.clamp.controlloop.common.exception.ControlLoopException;
-import org.onap.policy.clamp.controlloop.participant.kubernetes.parameters.ParticipantK8sParameterHandler;
-import org.onap.policy.clamp.controlloop.participant.kubernetes.parameters.ParticipantK8sParameters;
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-
-@Configuration
-public class ParametersConfig {
-
-    @Value("${participant.file}")
-    private String file;
-
-    @Bean
-    public ParticipantK8sParameters participantK8sParameters() throws ControlLoopException {
-        return new ParticipantK8sParameterHandler().toParticipantK8sParameters(file);
-    }
-}
-
diff --git a/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/parameters/ParticipantK8sParameterHandler.java b/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/parameters/ParticipantK8sParameterHandler.java
deleted file mode 100644
index 1a7dc35e8..000000000
--- a/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/parameters/ParticipantK8sParameterHandler.java
+++ /dev/null
@@ -1,73 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2021 Nordix Foundation.
- * ================================================================================
- * 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.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.clamp.controlloop.participant.kubernetes.parameters;
-
-import java.io.File;
-import javax.ws.rs.core.Response;
-import org.onap.policy.clamp.controlloop.common.exception.ControlLoopException;
-import org.onap.policy.common.parameters.BeanValidationResult;
-import org.onap.policy.common.utils.coder.Coder;
-import org.onap.policy.common.utils.coder.CoderException;
-import org.onap.policy.common.utils.coder.StandardCoder;
-
-/**
- * This class handles reading, parsing and validating of control loop participant parameters from JSON files.
- */
-public class ParticipantK8sParameterHandler {
-    private static final Coder CODER = new StandardCoder();
-
-    /**
-     * Read the parameters from the path of the file.
-     *
-     * @param path path of the config file.
-     * @return the parameters read from the configuration file
-     * @throws ControlLoopException on parameter exceptions
-     */
-    public ParticipantK8sParameters toParticipantK8sParameters(String path) throws ControlLoopException {
-        ParticipantK8sParameters parameters = null;
-        // Read the parameters
-        try {
-            // Read the parameters from JSON
-            var file = new File(path);
-            parameters = CODER.decode(file, ParticipantK8sParameters.class);
-        } catch (final CoderException e) {
-            final String errorMessage =
-                    "error reading parameters from \"" + path + "\"\n" + "(" + e.getClass().getSimpleName() + ")";
-            throw new ControlLoopException(Response.Status.NOT_ACCEPTABLE, errorMessage, e);
-        }
-
-        // The JSON processing returns null if there is an empty file
-        if (parameters == null) {
-            final String errorMessage = "no parameters found in \"" + path + "\"";
-            throw new ControlLoopException(Response.Status.NOT_ACCEPTABLE, errorMessage);
-        }
-
-        // validate the parameters
-        final BeanValidationResult validationResult = parameters.validate();
-        if (!validationResult.isValid()) {
-            String returnMessage =
-                    "validation error(s) on parameters from \"" + path + "\"\n" + validationResult.getResult();
-            throw new ControlLoopException(Response.Status.NOT_ACCEPTABLE, returnMessage);
-        }
-
-        return parameters;
-    }
-}
diff --git a/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/parameters/ParticipantK8sParameters.java b/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/parameters/ParticipantK8sParameters.java
index 65b32433c..54eb3b225 100644
--- a/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/parameters/ParticipantK8sParameters.java
+++ b/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/parameters/ParticipantK8sParameters.java
@@ -21,39 +21,31 @@
 package org.onap.policy.clamp.controlloop.participant.kubernetes.parameters;
 
 import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotNull;
 import lombok.Getter;
+import lombok.Setter;
 import org.onap.policy.clamp.controlloop.participant.intermediary.parameters.ParticipantIntermediaryParameters;
-import org.onap.policy.common.parameters.ParameterGroupImpl;
-import org.onap.policy.common.parameters.annotations.NotNull;
 import org.onap.policy.common.parameters.annotations.Valid;
-import org.onap.policy.models.provider.PolicyModelsProviderParameters;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.validation.annotation.Validated;
 
 /**
  * Class to hold all parameters needed for the kubernetes participant.
  *
  */
-@NotNull
-@NotBlank
+@Validated
 @Getter
-public class ParticipantK8sParameters extends ParameterGroupImpl {
-    public static final String DEFAULT_LOCAL_CHART_DIR = "/var/helm-manager/local-charts";
-    public static final String DEFAULT_INFO_FILE_NAME = "CHART_INFO.json";
+@Setter
+@ConfigurationProperties(prefix = "participant")
+public class ParticipantK8sParameters {
 
+    @NotNull
     @Valid
     private ParticipantIntermediaryParameters intermediaryParameters;
-    @Valid
-    private PolicyModelsProviderParameters databaseProviderParameters;
-
 
-    private String localChartDirectory = DEFAULT_LOCAL_CHART_DIR;
-    private String infoFileName = DEFAULT_INFO_FILE_NAME;
+    @NotBlank
+    private String localChartDirectory;
 
-    /**
-     * Create the kubernetes participant parameter group.
-     *
-     * @param name the parameter group name
-     */
-    public ParticipantK8sParameters(final String name) {
-        super(name);
-    }
+    @NotBlank
+    private String infoFileName;
 }
diff --git a/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/service/ChartStore.java b/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/service/ChartStore.java
index e7458a4cd..dcdff62f5 100644
--- a/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/service/ChartStore.java
+++ b/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/service/ChartStore.java
@@ -40,7 +40,6 @@ import org.onap.policy.common.utils.coder.CoderException;
 import org.onap.policy.common.utils.coder.StandardCoder;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 import org.springframework.util.FileSystemUtils;
 import org.springframework.web.multipart.MultipartFile;
@@ -61,7 +60,7 @@ public class ChartStore {
     /**
      * Constructor method.
      */
-    public ChartStore(@Autowired ParticipantK8sParameters participantK8sParameters) {
+    public ChartStore(ParticipantK8sParameters participantK8sParameters) {
         this.participantK8sParameters = participantK8sParameters;
         this.restoreFromLocalFileSystem();
     }