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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2021-2023 Nordix Foundation
* Modifications Copyright (C) 2022 Bell Canada
* ================================================================================
* 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.cps.ncmp.api.impl.client;
import com.fasterxml.jackson.databind.JsonNode;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.onap.cps.ncmp.api.impl.config.NcmpConfiguration.DmiProperties;
import org.onap.cps.ncmp.api.impl.exception.HttpClientRequestException;
import org.onap.cps.ncmp.api.impl.operations.OperationType;
import org.onap.cps.ncmp.api.impl.trustlevel.dmiavailability.DmiPluginStatus;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Component;
import org.springframework.web.client.HttpStatusCodeException;
import org.springframework.web.client.RestTemplate;
@Component
@AllArgsConstructor
@Slf4j
public class DmiRestClient {
private RestTemplate restTemplate;
private DmiProperties dmiProperties;
/**
* Sends POST operation to DMI with json body containing module references.
* @param dmiResourceUrl dmi resource url
* @param requestBodyAsJsonString json data body
* @param operationType the type of operation being executed (for error reporting only)
* @return response entity of type String
*/
public ResponseEntity<Object> postOperationWithJsonData(final String dmiResourceUrl,
final String requestBodyAsJsonString,
final OperationType operationType) {
final var httpEntity = new HttpEntity<>(requestBodyAsJsonString, configureHttpHeaders(new HttpHeaders()));
try {
return restTemplate.postForEntity(dmiResourceUrl, httpEntity, Object.class);
} catch (final HttpStatusCodeException httpStatusCodeException) {
final String exceptionMessage = "Unable to " + operationType.toString() + " resource data.";
throw new HttpClientRequestException(exceptionMessage, httpStatusCodeException.getResponseBodyAsString(),
httpStatusCodeException.getStatusCode().value());
}
}
/**
* Sends GET operation to DMI plugin's health check URL.
*
* @param dmiPluginBaseUrl the base URL of the dmi-plugin
* @return DmiPluginStatus as UP or DOWN
*/
public DmiPluginStatus getDmiPluginStatus(final String dmiPluginBaseUrl) {
try {
final HttpEntity<Object> httpHeaders = new HttpEntity<>(configureHttpHeaders(new HttpHeaders()));
final JsonNode dmiPluginHealthStatus = restTemplate.getForObject(dmiPluginBaseUrl + "/manage/health",
JsonNode.class, httpHeaders);
if (dmiPluginHealthStatus != null && dmiPluginHealthStatus.get("status").asText().equals("UP")) {
return DmiPluginStatus.UP;
}
} catch (final Exception exception) {
log.warn("Could not send request for health check since {}", exception.getMessage());
}
return DmiPluginStatus.DOWN;
}
private HttpHeaders configureHttpHeaders(final HttpHeaders httpHeaders) {
if (dmiProperties.isDmiBasicAuthEnabled()) {
httpHeaders.setBasicAuth(dmiProperties.getAuthUsername(), dmiProperties.getAuthPassword());
}
httpHeaders.setContentType(MediaType.APPLICATION_JSON);
return httpHeaders;
}
}
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