rapp-manager-application/src/main/java/com/oransc/rappmanager/service/RappService.java

   1 /*-
   2  * ============LICENSE_START======================================================================
   3  * Copyright (C) 2023 Nordix Foundation. All rights reserved.
   4  * Copyright (C) 2023-2024 OpenInfra Foundation Europe. All rights reserved.
   5  * ===============================================================================================
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  *      http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  * ============LICENSE_END========================================================================
  18  */
  19
  20 package com.oransc.rappmanager.service;
  21
  22 import com.oransc.rappmanager.acm.service.AcmDeployer;
  23 import com.oransc.rappmanager.models.RappDeployer;
  24 import com.oransc.rappmanager.models.cache.RappCacheService;
  25 import com.oransc.rappmanager.models.exception.RappHandlerException;
  26 import com.oransc.rappmanager.models.rapp.Rapp;
  27 import com.oransc.rappmanager.models.rapp.RappEvent;
  28 import com.oransc.rappmanager.models.rapp.RappState;
  29 import com.oransc.rappmanager.models.rappinstance.RappInstance;
  30 import com.oransc.rappmanager.models.rappinstance.RappInstanceState;
  31 import com.oransc.rappmanager.models.statemachine.RappInstanceStateMachine;
  32 import java.util.List;
  33 import java.util.UUID;
  34 import lombok.RequiredArgsConstructor;
  35 import org.springframework.http.HttpStatus;
  36 import org.springframework.http.ResponseEntity;
  37 import org.springframework.stereotype.Service;
  38
  39 @Service
  40 @RequiredArgsConstructor
  41 public class RappService {
  42
  43     private final AcmDeployer acmDeployer;
  44     private final List<RappDeployer> rappDeployers;
  45     private final RappInstanceStateMachine rappInstanceStateMachine;
  46     private final RappCacheService rappCacheService;
  47     private final DeploymentArtifactsService deploymentArtifactsService;
  48     private static final String STATE_TRANSITION_NOT_PERMITTED = "State transition from %s to %s is not permitted.";
  49
  50     public ResponseEntity<String> primeRapp(Rapp rapp) {
  51         if (rapp.getState().equals(RappState.COMMISSIONED)) {
  52             rapp.setState(RappState.PRIMING);
  53             rapp.setReason(null);
  54             //Configuring the deployment artifact needs to be done before starting the priming with other components
  55             //If there are additional conditions needs to be checked before priming, This needs handled as part of pre-priming stage.
  56             if (deploymentArtifactsService.configureDeploymentArtifacts(rapp) && rappDeployers.parallelStream()
  57                                                                                          .allMatch(
  58                                                                                                  rappDeployer -> rappDeployer.primeRapp(
  59                                                                                                          rapp))) {
  60                 rapp.setState(RappState.PRIMED);
  61                 return ResponseEntity.ok().build();
  62             }
  63             rapp.setState(RappState.COMMISSIONED);
  64             throw new RappHandlerException(HttpStatus.BAD_GATEWAY, rapp.getReason());
  65         }
  66         throw new RappHandlerException(HttpStatus.BAD_REQUEST,
  67                 String.format(STATE_TRANSITION_NOT_PERMITTED, rapp.getState().name(), RappState.PRIMED.name()));
  68
  69     }
  70
  71     public ResponseEntity<String> deprimeRapp(Rapp rapp) {
  72         if (rapp.getState().equals(RappState.PRIMED) && rapp.getRappInstances().isEmpty()) {
  73             rapp.setState(RappState.DEPRIMING);
  74             rapp.setReason(null);
  75             if (rappDeployers.parallelStream().allMatch(rappDeployer -> rappDeployer.deprimeRapp(rapp))) {
  76                 rapp.setState(RappState.COMMISSIONED);
  77                 return ResponseEntity.ok().build();
  78             }
  79             rapp.setState(RappState.PRIMED);
  80             throw new RappHandlerException(HttpStatus.BAD_GATEWAY, rapp.getReason());
  81         }
  82         if (!rapp.getRappInstances().isEmpty()) {
  83             throw new RappHandlerException(HttpStatus.BAD_REQUEST,
  84                     "Unable to deprime as there are active rapp instances.");
  85         } else {
  86             throw new RappHandlerException(HttpStatus.BAD_REQUEST,
  87                     String.format(STATE_TRANSITION_NOT_PERMITTED, RappState.COMMISSIONED.name(),
  88                             rapp.getState().name()));
  89         }
  90     }
  91
  92     public ResponseEntity<String> deleteRapp(Rapp rApp) {
  93         if (rApp.getRappInstances().isEmpty() && rApp.getState().equals(RappState.COMMISSIONED)) {
  94             rappCacheService.deleteRapp(rApp);
  95             return ResponseEntity.ok().build();
  96         }
  97         if (!rApp.getRappInstances().isEmpty()) {
  98             throw new RappHandlerException(HttpStatus.BAD_REQUEST,
  99                     String.format("Unable to delete %s as there are active rApp instances.", rApp.getName()));
 100         } else {
 101             throw new RappHandlerException(HttpStatus.BAD_REQUEST,
 102                     String.format("Unable to delete %s as the rApp is not in COMMISSIONED state.", rApp.getName()));
 103         }
 104
 105     }
 106
 107     public ResponseEntity<String> deployRappInstance(Rapp rapp, RappInstance rappInstance) {
 108         if (rappInstance.getState().equals(RappInstanceState.UNDEPLOYED)) {
 109             rappInstance.setReason(null);
 110             rappInstanceStateMachine.sendRappInstanceEvent(rappInstance, RappEvent.DEPLOYING);
 111             if (rappDeployers.parallelStream()
 112                         .allMatch(rappDeployer -> rappDeployer.deployRappInstance(rapp, rappInstance))) {
 113                 return ResponseEntity.accepted().build();
 114             }
 115             throw new RappHandlerException(HttpStatus.BAD_GATEWAY, rappInstance.getReason());
 116         }
 117         throw new RappHandlerException(HttpStatus.BAD_REQUEST,
 118                 String.format("Unable to deploy rApp instance %s as it is not in UNDEPLOYED state",
 119                         rappInstance.getRappInstanceId()));
 120
 121     }
 122
 123     public ResponseEntity<String> undeployRappInstance(Rapp rapp, RappInstance rappInstance) {
 124         if (rappInstance.getState().equals(RappInstanceState.DEPLOYED)) {
 125             rappInstance.setReason(null);
 126             rappInstanceStateMachine.sendRappInstanceEvent(rappInstance, RappEvent.UNDEPLOYING);
 127             if (rappDeployers.parallelStream()
 128                         .allMatch(rappDeployer -> rappDeployer.undeployRappInstance(rapp, rappInstance))) {
 129                 return ResponseEntity.accepted().build();
 130             }
 131             throw new RappHandlerException(HttpStatus.BAD_GATEWAY, rappInstance.getReason());
 132         }
 133         throw new RappHandlerException(HttpStatus.BAD_REQUEST,
 134                 String.format("Unable to undeploy rApp instance %s as it is not in DEPLOYED state",
 135                         rappInstance.getRappInstanceId()));
 136     }
 137
 138     public ResponseEntity<String> deleteRappInstance(Rapp rApp, UUID rappInstanceId) {
 139         if (rApp.getRappInstances().get(rappInstanceId).getState().equals(RappInstanceState.UNDEPLOYED)) {
 140             rappInstanceStateMachine.deleteRappInstance(rApp.getRappInstances().get(rappInstanceId));
 141             rApp.getRappInstances().remove(rappInstanceId);
 142             return ResponseEntity.noContent().build();
 143         }
 144         throw new RappHandlerException(HttpStatus.BAD_REQUEST,
 145                 String.format("Unable to delete rApp instance %s as it is not in UNDEPLOYED state", rappInstanceId));
 146     }
 147
 148     public void updateRappInstanceState(Rapp rapp, RappInstance rappInstance) {
 149         acmDeployer.syncRappInstanceStatus(rapp.getCompositionId(), rappInstance);
 150     }
 151 }