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  * ===============================================================================================
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *      http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  * ============LICENSE_END========================================================================
  17  */
  18
  19 package com.oransc.rappmanager.service;
  20
  21 import com.oransc.rappmanager.acm.service.AcmDeployer;
  22 import com.oransc.rappmanager.dme.service.DmeDeployer;
  23 import com.oransc.rappmanager.models.cache.RappCacheService;
  24 import com.oransc.rappmanager.models.rapp.Rapp;
  25 import com.oransc.rappmanager.models.rapp.RappEvent;
  26 import com.oransc.rappmanager.models.rapp.RappState;
  27 import com.oransc.rappmanager.models.rappinstance.RappInstance;
  28 import com.oransc.rappmanager.models.rappinstance.RappInstanceState;
  29 import com.oransc.rappmanager.models.statemachine.RappInstanceStateMachine;
  30 import com.oransc.rappmanager.sme.service.SmeDeployer;
  31 import lombok.RequiredArgsConstructor;
  32 import org.springframework.http.HttpStatus;
  33 import org.springframework.http.ResponseEntity;
  34 import org.springframework.stereotype.Service;
  35
  36 @Service
  37 @RequiredArgsConstructor
  38 public class RappService {
  39
  40     private final AcmDeployer acmDeployer;
  41     private final SmeDeployer smeDeployer;
  42     private final DmeDeployer dmeDeployer;
  43     private final RappInstanceStateMachine rappInstanceStateMachine;
  44     private final RappCacheService rappCacheService;
  45     private static final String STATE_TRANSITION_NOT_PERMITTED = "State transition from %s to %s is not permitted.";
  46
  47     public ResponseEntity<String> primeRapp(Rapp rapp) {
  48         if (rapp.getState().equals(RappState.COMMISSIONED)) {
  49             rapp.setState(RappState.PRIMING);
  50             if (acmDeployer.primeRapp(rapp) && dmeDeployer.primeRapp(rapp)) {
  51                 rapp.setState(RappState.PRIMED);
  52             } else {
  53                 rapp.setState(RappState.COMMISSIONED);
  54             }
  55             return ResponseEntity.ok().build();
  56         } else {
  57             return ResponseEntity.badRequest()
  58                            .body(String.format(STATE_TRANSITION_NOT_PERMITTED, RappState.PRIMED.name(),
  59                                    rapp.getState().name()));
  60         }
  61     }
  62
  63     public ResponseEntity<String> deprimeRapp(Rapp rapp) {
  64         if (rapp.getState().equals(RappState.PRIMED) && rapp.getRappInstances().isEmpty()) {
  65             rapp.setState(RappState.DEPRIMING);
  66             if (acmDeployer.deprimeRapp(rapp) && dmeDeployer.deprimeRapp(rapp)) {
  67                 rapp.setState(RappState.COMMISSIONED);
  68             } else {
  69                 rapp.setState(RappState.PRIMED);
  70             }
  71             return ResponseEntity.ok().build();
  72         } else {
  73             if (!rapp.getRappInstances().isEmpty()) {
  74                 return ResponseEntity.badRequest().body("Unable to deprime as there are active rapp instances,");
  75             } else {
  76                 return ResponseEntity.badRequest()
  77                                .body(String.format(STATE_TRANSITION_NOT_PERMITTED, RappState.COMMISSIONED.name(),
  78                                        rapp.getState().name()));
  79             }
  80         }
  81     }
  82
  83     public ResponseEntity<String> deleteRapp(Rapp rApp) {
  84         if (rApp.getRappInstances().isEmpty() && rApp.getState().equals(RappState.COMMISSIONED)) {
  85             rappCacheService.deleteRapp(rApp);
  86             return ResponseEntity.ok().build();
  87         } else {
  88             if (!rApp.getRappInstances().isEmpty()) {
  89                 return ResponseEntity.badRequest()
  90                                .body("Unable to delete '" + rApp.getName() + "' as there are active rApp instances.");
  91             } else {
  92                 return ResponseEntity.badRequest().body("Unable to delete '" + rApp.getName()
  93                                                                 + "' as the rApp is not in COMMISSIONED state.");
  94             }
  95         }
  96     }
  97
  98     public ResponseEntity<String> deployRappInstance(Rapp rapp, RappInstance rappInstance) {
  99         if (rappInstance.getState().equals(RappInstanceState.UNDEPLOYED)) {
 100             rappInstanceStateMachine.sendRappInstanceEvent(rappInstance, RappEvent.DEPLOYING);
 101             if (acmDeployer.deployRappInstance(rapp, rappInstance) && smeDeployer.deployRappInstance(rapp, rappInstance)
 102                         && dmeDeployer.deployRappInstance(rapp, rappInstance)) {
 103                 return ResponseEntity.accepted().build();
 104             }
 105             return ResponseEntity.status(HttpStatus.BAD_GATEWAY).build();
 106         } else {
 107             return ResponseEntity.badRequest()
 108                            .body(String.format(STATE_TRANSITION_NOT_PERMITTED, rappInstance.getState().name(),
 109                                    RappInstanceState.DEPLOYED.name()));
 110         }
 111     }
 112
 113     public ResponseEntity<String> undeployRappInstance(Rapp rapp, RappInstance rappInstance) {
 114         if (rappInstance.getState().equals(RappInstanceState.DEPLOYED)) {
 115             rappInstanceStateMachine.sendRappInstanceEvent(rappInstance, RappEvent.UNDEPLOYING);
 116             if (acmDeployer.undeployRappInstance(rapp, rappInstance) && smeDeployer.undeployRappInstance(rapp,
 117                     rappInstance) && dmeDeployer.undeployRappInstance(rapp, rappInstance)) {
 118                 return ResponseEntity.accepted().build();
 119             }
 120             return ResponseEntity.status(HttpStatus.BAD_GATEWAY).build();
 121         } else {
 122             return ResponseEntity.badRequest()
 123                            .body(String.format(STATE_TRANSITION_NOT_PERMITTED, rappInstance.getState().name(),
 124                                    RappInstanceState.UNDEPLOYED.name()));
 125         }
 126     }
 127
 128     public void updateRappInstanceState(Rapp rapp, RappInstance rappInstance) {
 129         acmDeployer.syncRappInstanceStatus(rapp.getCompositionId(), rappInstance);
 130     }
 131 }