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 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.dme.service.DmeDeployer;
  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 com.oransc.rappmanager.sme.service.SmeDeployer;
  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 SmeDeployer smeDeployer;
  45     private final DmeDeployer dmeDeployer;
  46     private final RappInstanceStateMachine rappInstanceStateMachine;
  47     private final RappCacheService rappCacheService;
  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             if (acmDeployer.primeRapp(rapp) && dmeDeployer.primeRapp(rapp)) {
  55                 rapp.setState(RappState.PRIMED);
  56                 return ResponseEntity.ok().build();
  57             }
  58             rapp.setState(RappState.COMMISSIONED);
  59             return ResponseEntity.status(HttpStatus.BAD_GATEWAY).build();
  60         }
  61         throw new RappHandlerException(HttpStatus.BAD_REQUEST,
  62                 String.format(STATE_TRANSITION_NOT_PERMITTED, rapp.getState().name(), RappState.PRIMED.name()));
  63
  64     }
  65
  66     public ResponseEntity<String> deprimeRapp(Rapp rapp) {
  67         if (rapp.getState().equals(RappState.PRIMED) && rapp.getRappInstances().isEmpty()) {
  68             rapp.setState(RappState.DEPRIMING);
  69             rapp.setReason(null);
  70             if (acmDeployer.deprimeRapp(rapp) && dmeDeployer.deprimeRapp(rapp)) {
  71                 rapp.setState(RappState.COMMISSIONED);
  72                 return ResponseEntity.ok().build();
  73             }
  74             rapp.setState(RappState.PRIMED);
  75             return ResponseEntity.status(HttpStatus.BAD_GATEWAY).build();
  76         }
  77         if (!rapp.getRappInstances().isEmpty()) {
  78             throw new RappHandlerException(HttpStatus.BAD_REQUEST,
  79                     "Unable to deprime as there are active rapp instances.");
  80         } else {
  81             throw new RappHandlerException(HttpStatus.BAD_REQUEST,
  82                     String.format(STATE_TRANSITION_NOT_PERMITTED, RappState.COMMISSIONED.name(),
  83                             rapp.getState().name()));
  84         }
  85     }
  86
  87     public ResponseEntity<String> deleteRapp(Rapp rApp) {
  88         if (rApp.getRappInstances().isEmpty() && rApp.getState().equals(RappState.COMMISSIONED)) {
  89             rappCacheService.deleteRapp(rApp);
  90             return ResponseEntity.ok().build();
  91         }
  92         if (!rApp.getRappInstances().isEmpty()) {
  93             throw new RappHandlerException(HttpStatus.BAD_REQUEST,
  94                     String.format("Unable to delete %s as there are active rApp instances.", rApp.getName()));
  95         } else {
  96             throw new RappHandlerException(HttpStatus.BAD_REQUEST,
  97                     String.format("Unable to delete %s as the rApp is not in COMMISSIONED state.", rApp.getName()));
  98         }
  99
 100     }
 101
 102     public ResponseEntity<String> deployRappInstance(Rapp rapp, RappInstance rappInstance) {
 103         if (rappInstance.getState().equals(RappInstanceState.UNDEPLOYED)) {
 104             rappInstance.setReason(null);
 105             rappInstanceStateMachine.sendRappInstanceEvent(rappInstance, RappEvent.DEPLOYING);
 106             if (acmDeployer.deployRappInstance(rapp, rappInstance) && smeDeployer.deployRappInstance(rapp,
 107                     rappInstance)) {
 108                 return ResponseEntity.accepted().build();
 109             }
 110             return ResponseEntity.status(HttpStatus.BAD_GATEWAY).build();
 111         }
 112         throw new RappHandlerException(HttpStatus.BAD_REQUEST,
 113                 String.format("Unable to deploy rApp instance %s as it is not in UNDEPLOYED state",
 114                         rappInstance.getRappInstanceId()));
 115
 116     }
 117
 118     public ResponseEntity<String> undeployRappInstance(Rapp rapp, RappInstance rappInstance) {
 119         if (rappInstance.getState().equals(RappInstanceState.DEPLOYED)) {
 120             rappInstance.setReason(null);
 121             rappInstanceStateMachine.sendRappInstanceEvent(rappInstance, RappEvent.UNDEPLOYING);
 122             if (acmDeployer.undeployRappInstance(rapp, rappInstance) && smeDeployer.undeployRappInstance(rapp,
 123                     rappInstance)) {
 124                 return ResponseEntity.accepted().build();
 125             }
 126             return ResponseEntity.status(HttpStatus.BAD_GATEWAY).build();
 127         }
 128         throw new RappHandlerException(HttpStatus.BAD_REQUEST,
 129                 String.format("Unable to undeploy rApp instance %s as it is not in DEPLOYED state",
 130                         rappInstance.getRappInstanceId()));
 131     }
 132
 133     public ResponseEntity<String> deleteRappInstance(Rapp rApp, UUID rappInstanceId) {
 134         if (rApp.getRappInstances().get(rappInstanceId).getState().equals(RappInstanceState.UNDEPLOYED)) {
 135             rappInstanceStateMachine.deleteRappInstance(rApp.getRappInstances().get(rappInstanceId));
 136             rApp.getRappInstances().remove(rappInstanceId);
 137             return ResponseEntity.noContent().build();
 138         }
 139         throw new RappHandlerException(HttpStatus.BAD_REQUEST,
 140                 String.format("Unable to delete rApp instance %s as it is not in UNDEPLOYED state", rappInstanceId));
 141     }
 142
 143     public void updateRappInstanceState(Rapp rapp, RappInstance rappInstance) {
 144         acmDeployer.syncRappInstanceStatus(rapp.getCompositionId(), rappInstance);
 145     }
 146 }