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.exception.RappValidationException;
  27 import com.oransc.rappmanager.models.rapp.Rapp;
  28 import com.oransc.rappmanager.models.rapp.RappEvent;
  29 import com.oransc.rappmanager.models.rapp.RappState;
  30 import com.oransc.rappmanager.models.rappinstance.RappInstance;
  31 import com.oransc.rappmanager.models.rappinstance.RappInstanceState;
  32 import com.oransc.rappmanager.models.statemachine.RappInstanceStateMachine;
  33 import java.util.List;
  34 import java.util.UUID;
  35 import lombok.RequiredArgsConstructor;
  36 import org.springframework.http.HttpStatus;
  37 import org.springframework.http.ResponseEntity;
  38 import org.springframework.stereotype.Service;
  39
  40 @Service
  41 @RequiredArgsConstructor
  42 public class RappService {
  43
  44     private final AcmDeployer acmDeployer;
  45     private final List<RappDeployer> rappDeployers;
  46     private final RappInstanceStateMachine rappInstanceStateMachine;
  47     private final RappCacheService rappCacheService;
  48     private final DeploymentArtifactsService deploymentArtifactsService;
  49     private static final String STATE_TRANSITION_NOT_PERMITTED = "State transition from %s to %s is not permitted.";
  50
  51     public ResponseEntity<String> primeRapp(Rapp rapp) {
  52         if (rapp.getState().equals(RappState.COMMISSIONED)) {
  53             rapp.setState(RappState.PRIMING);
  54             rapp.setReason(null);
  55             try {
  56                 //Configuring the deployment artifact needs to be done before starting the priming with other components
  57                 //If there are additional conditions needs to be checked before priming, This needs handled as part of pre-priming stage.
  58                 if (deploymentArtifactsService.configureDeploymentArtifacts(rapp) && rappDeployers.parallelStream()
  59                                                                                              .allMatch(
  60                                                                                                      rappDeployer -> rappDeployer.primeRapp(
  61                                                                                                              rapp))) {
  62                     rapp.setState(RappState.PRIMED);
  63                     return ResponseEntity.ok().build();
  64                 }
  65             } catch (RappValidationException e) {
  66                 rapp.setState(RappState.COMMISSIONED);
  67                 throw e;
  68             }
  69             rapp.setState(RappState.COMMISSIONED);
  70             throw new RappHandlerException(HttpStatus.BAD_GATEWAY, rapp.getReason());
  71         }
  72         throw new RappHandlerException(HttpStatus.BAD_REQUEST,
  73                 String.format(STATE_TRANSITION_NOT_PERMITTED, rapp.getState().name(), RappState.PRIMED.name()));
  74
  75     }
  76
  77     public ResponseEntity<String> deprimeRapp(Rapp rapp) {
  78         if (rapp.getState().equals(RappState.PRIMED) && rapp.getRappInstances().isEmpty()) {
  79             rapp.setState(RappState.DEPRIMING);
  80             rapp.setReason(null);
  81             if (rappDeployers.parallelStream().allMatch(rappDeployer -> rappDeployer.deprimeRapp(rapp))) {
  82                 rapp.setState(RappState.COMMISSIONED);
  83                 return ResponseEntity.ok().build();
  84             }
  85             rapp.setState(RappState.PRIMED);
  86             throw new RappHandlerException(HttpStatus.BAD_GATEWAY, rapp.getReason());
  87         }
  88         if (!rapp.getRappInstances().isEmpty()) {
  89             throw new RappHandlerException(HttpStatus.BAD_REQUEST,
  90                     "Unable to deprime as there are active rapp instances.");
  91         } else {
  92             throw new RappHandlerException(HttpStatus.BAD_REQUEST,
  93                     String.format(STATE_TRANSITION_NOT_PERMITTED, RappState.COMMISSIONED.name(),
  94                             rapp.getState().name()));
  95         }
  96     }
  97
  98     public ResponseEntity<String> deleteRapp(Rapp rApp) {
  99         if (rApp.getRappInstances().isEmpty() && rApp.getState().equals(RappState.COMMISSIONED)) {
 100             rappCacheService.deleteRapp(rApp);
 101             return ResponseEntity.ok().build();
 102         }
 103         if (!rApp.getRappInstances().isEmpty()) {
 104             throw new RappHandlerException(HttpStatus.BAD_REQUEST,
 105                     String.format("Unable to delete %s as there are active rApp instances.", rApp.getName()));
 106         } else {
 107             throw new RappHandlerException(HttpStatus.BAD_REQUEST,
 108                     String.format("Unable to delete %s as the rApp is not in COMMISSIONED state.", rApp.getName()));
 109         }
 110
 111     }
 112
 113     public ResponseEntity<String> deployRappInstance(Rapp rapp, RappInstance rappInstance) {
 114         if (rappInstance.getState().equals(RappInstanceState.UNDEPLOYED)) {
 115             rappInstance.setReason(null);
 116             rappInstanceStateMachine.sendRappInstanceEvent(rappInstance, RappEvent.DEPLOYING);
 117             if (rappDeployers.parallelStream()
 118                         .allMatch(rappDeployer -> rappDeployer.deployRappInstance(rapp, rappInstance))) {
 119                 return ResponseEntity.accepted().build();
 120             }
 121             throw new RappHandlerException(HttpStatus.BAD_GATEWAY, rappInstance.getReason());
 122         }
 123         throw new RappHandlerException(HttpStatus.BAD_REQUEST,
 124                 String.format("Unable to deploy rApp instance %s as it is not in UNDEPLOYED state",
 125                         rappInstance.getRappInstanceId()));
 126
 127     }
 128
 129     public ResponseEntity<String> undeployRappInstance(Rapp rapp, RappInstance rappInstance) {
 130         if (rappInstance.getState().equals(RappInstanceState.DEPLOYED)) {
 131             rappInstance.setReason(null);
 132             rappInstanceStateMachine.sendRappInstanceEvent(rappInstance, RappEvent.UNDEPLOYING);
 133             if (rappDeployers.parallelStream()
 134                         .allMatch(rappDeployer -> rappDeployer.undeployRappInstance(rapp, rappInstance))) {
 135                 return ResponseEntity.accepted().build();
 136             }
 137             throw new RappHandlerException(HttpStatus.BAD_GATEWAY, rappInstance.getReason());
 138         }
 139         throw new RappHandlerException(HttpStatus.BAD_REQUEST,
 140                 String.format("Unable to undeploy rApp instance %s as it is not in DEPLOYED state",
 141                         rappInstance.getRappInstanceId()));
 142     }
 143
 144     public ResponseEntity<String> deleteRappInstance(Rapp rApp, UUID rappInstanceId) {
 145         if (rApp.getRappInstances().get(rappInstanceId).getState().equals(RappInstanceState.UNDEPLOYED)) {
 146             rappInstanceStateMachine.deleteRappInstance(rApp.getRappInstances().get(rappInstanceId));
 147             rApp.getRappInstances().remove(rappInstanceId);
 148             return ResponseEntity.noContent().build();
 149         }
 150         throw new RappHandlerException(HttpStatus.BAD_REQUEST,
 151                 String.format("Unable to delete rApp instance %s as it is not in UNDEPLOYED state", rappInstanceId));
 152     }
 153
 154     public void updateRappInstanceState(Rapp rapp, RappInstance rappInstance) {
 155         acmDeployer.syncRappInstanceStatus(rapp.getCompositionId(), rappInstance);
 156     }
 157 }