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/*-
* ========================LICENSE_START=================================
* Copyright (C) 2021-2022 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.policy.clamp.controlloop.participant.kubernetes.controller;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiResponse;
import io.swagger.annotations.ApiResponses;
import java.io.IOException;
import java.util.ArrayList;
import org.onap.policy.clamp.controlloop.participant.kubernetes.exception.ServiceException;
import org.onap.policy.clamp.controlloop.participant.kubernetes.models.ChartInfo;
import org.onap.policy.clamp.controlloop.participant.kubernetes.models.ChartList;
import org.onap.policy.clamp.controlloop.participant.kubernetes.models.HelmRepository;
import org.onap.policy.clamp.controlloop.participant.kubernetes.models.InstallationInfo;
import org.onap.policy.clamp.controlloop.participant.kubernetes.service.ChartService;
import org.onap.policy.common.utils.coder.CoderException;
import org.onap.policy.common.utils.coder.StandardCoder;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RequestPart;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
@RestController("chartController")
@ConditionalOnExpression("${chart.api.enabled:false}")
@RequestMapping("helm")
@Api(tags = {"k8s-participant"})
public class ChartController {
@Autowired
private ChartService chartService;
private static final StandardCoder CODER = new StandardCoder();
/**
* REST endpoint to get all the charts.
*
* @return List of charts installed
*/
@GetMapping(path = "/charts", produces = MediaType.APPLICATION_JSON_VALUE)
@ApiOperation(value = "Return all Charts")
@ApiResponses(value = {@ApiResponse(code = 200, message = "chart List")})
public ResponseEntity<ChartList> getAllCharts() {
return new ResponseEntity<>(ChartList.builder().charts(new ArrayList<>(chartService.getAllCharts())).build(),
HttpStatus.OK);
}
/**
* REST endpoint to install a helm chart.
*
* @param info Info of the chart to be installed
* @return Status of the install operation
* @throws ServiceException in case of error
* @throws IOException in case of IO error
*/
@PostMapping(path = "/install", consumes = MediaType.APPLICATION_JSON_VALUE,
produces = MediaType.APPLICATION_JSON_VALUE)
@ApiOperation(value = "Install the chart")
@ApiResponses(value = {@ApiResponse(code = 201, message = "chart Installed")})
public ResponseEntity<Object> installChart(@RequestBody InstallationInfo info)
throws ServiceException, IOException {
ChartInfo chart = chartService.getChart(info.getName(), info.getVersion());
if (chart == null) {
return new ResponseEntity<>(HttpStatus.NOT_FOUND);
}
chartService.installChart(chart);
return new ResponseEntity<>(HttpStatus.CREATED);
}
/**
* REST endpoint to uninstall a specific chart.
*
* @param name name of the chart
* @param version version of the chart
* @return Status of operation
* @throws ServiceException in case of error.
*/
@DeleteMapping(path = "/uninstall/{name}/{version}", produces = MediaType.APPLICATION_JSON_VALUE)
@ApiOperation(value = "Uninstall the Chart")
@ApiResponses(value = {@ApiResponse(code = 201, message = "chart Uninstalled")})
public ResponseEntity<Object> uninstallChart(@PathVariable("name") String name,
@PathVariable("version") String version) throws ServiceException {
ChartInfo chart = chartService.getChart(name, version);
if (chart == null) {
return new ResponseEntity<>(HttpStatus.NOT_FOUND);
}
chartService.uninstallChart(chart);
return new ResponseEntity<>(HttpStatus.NO_CONTENT);
}
/**
* REST endpoint to onboard a chart.
*
* @param chartFile Multipart file for the helm chart
* @param infoJson AppInfo of the chart
* @param overrideFile the file for overriding the chart
* @return Status of onboard operation
* @throws ServiceException in case of error
* @throws IOException in case of IO error
*/
@PostMapping(path = "/onboard/chart", consumes = MediaType.MULTIPART_FORM_DATA_VALUE,
produces = MediaType.APPLICATION_JSON_VALUE)
@ApiOperation(value = "Onboard the Chart")
@ApiResponses(value = {@ApiResponse(code = 201, message = "Chart Onboarded")})
public ResponseEntity<String> onboardChart(@RequestPart("chart") MultipartFile chartFile,
@RequestParam(name = "values", required = false) MultipartFile overrideFile,
@RequestParam("info") String infoJson) throws ServiceException, IOException {
ChartInfo info;
try {
info = CODER.decode(infoJson, ChartInfo.class);
} catch (CoderException e) {
throw new ServiceException("Error parsing the chart information", e);
}
chartService.saveChart(info, chartFile, overrideFile);
return new ResponseEntity<>(HttpStatus.OK);
}
/**
* REST endpoint to delete a specific helm chart.
*
* @param name name of the chart
* @param version version of the chart
* @return Status of operation
*/
@DeleteMapping(path = "/chart/{name}/{version}")
@ApiOperation(value = "Delete the chart")
@ApiResponses(value = {@ApiResponse(code = 204, message = "Chart Deleted")})
public ResponseEntity<Object> deleteChart(@PathVariable("name") String name,
@PathVariable("version") String version) {
ChartInfo chart = chartService.getChart(name, version);
if (chart == null) {
return new ResponseEntity<>(HttpStatus.NOT_FOUND);
}
chartService.deleteChart(chart);
return new ResponseEntity<>(HttpStatus.NO_CONTENT);
}
/**
* REST endpoint to configure a helm Repository.
*
* @param repo Helm repository to be configured
* @return Status of the operation
* @throws ServiceException in case of error
* @throws IOException in case of IO error
*/
@PostMapping(path = "/repo", consumes = MediaType.APPLICATION_JSON_VALUE,
produces = MediaType.APPLICATION_JSON_VALUE)
@ApiOperation(value = "Configure helm repository")
@ApiResponses(value = {@ApiResponse(code = 201, message = "Repository added")})
public ResponseEntity<Object> configureRepo(@RequestBody String repo)
throws ServiceException, IOException {
HelmRepository repository;
try {
repository = CODER.decode(repo, HelmRepository.class);
} catch (CoderException e) {
throw new ServiceException("Error parsing the repository information", e);
}
chartService.configureRepository(repository);
return new ResponseEntity<>(HttpStatus.CREATED);
}
}
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