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.rapp.Rapp;
  24 import com.oransc.rappmanager.models.rapp.RappEvent;
  25 import com.oransc.rappmanager.models.rapp.RappState;
  26 import com.oransc.rappmanager.models.rappinstance.RappInstance;
  27 import com.oransc.rappmanager.models.rappinstance.RappInstanceState;
  28 import com.oransc.rappmanager.models.statemachine.RappInstanceStateMachine;
  29 import com.oransc.rappmanager.sme.service.SmeDeployer;
  30 import lombok.RequiredArgsConstructor;
  31 import org.springframework.http.HttpStatus;
  32 import org.springframework.http.ResponseEntity;
  33 import org.springframework.stereotype.Service;
  34
  35 @Service
  36 @RequiredArgsConstructor
  37 public class RappService {
  38
  39     private final AcmDeployer acmDeployer;
  40     private final SmeDeployer smeDeployer;
  41     private final DmeDeployer dmeDeployer;
  42     private final RappInstanceStateMachine rappInstanceStateMachine;
  43     private static final String STATE_TRANSITION_NOT_PERMITTED = "State transition from %s to %s is not permitted.";
  44
  45     public ResponseEntity<String> primeRapp(Rapp rapp) {
  46         if (rapp.getState().equals(RappState.COMMISSIONED)) {
  47             rapp.setState(RappState.PRIMING);
  48             if (acmDeployer.primeRapp(rapp) && dmeDeployer.primeRapp(rapp)) {
  49                 rapp.setState(RappState.PRIMED);
  50             } else {
  51                 rapp.setState(RappState.COMMISSIONED);
  52             }
  53             return ResponseEntity.ok().build();
  54         } else {
  55             return ResponseEntity.badRequest()
  56                            .body(String.format(STATE_TRANSITION_NOT_PERMITTED, RappState.PRIMED.name(),
  57                                    rapp.getState().name()));
  58         }
  59     }
  60
  61     public ResponseEntity<String> deprimeRapp(Rapp rapp) {
  62         if (rapp.getState().equals(RappState.PRIMED) && rapp.getRappInstances().isEmpty()) {
  63             rapp.setState(RappState.DEPRIMING);
  64             if (acmDeployer.deprimeRapp(rapp) && dmeDeployer.deprimeRapp(rapp)) {
  65                 rapp.setState(RappState.COMMISSIONED);
  66             } else {
  67                 rapp.setState(RappState.PRIMED);
  68             }
  69             return ResponseEntity.ok().build();
  70         } else {
  71             if (!rapp.getRappInstances().isEmpty()) {
  72                 return ResponseEntity.badRequest().body("Unable to deprime as there are active rapp instances,");
  73             } else {
  74                 return ResponseEntity.badRequest()
  75                                .body(String.format(STATE_TRANSITION_NOT_PERMITTED, RappState.COMMISSIONED.name(),
  76                                        rapp.getState().name()));
  77             }
  78         }
  79     }
  80
  81     public ResponseEntity<String> deployRappInstance(Rapp rapp, RappInstance rappInstance) {
  82         if (rappInstance.getState().equals(RappInstanceState.UNDEPLOYED)) {
  83             rappInstanceStateMachine.sendRappInstanceEvent(rappInstance, RappEvent.DEPLOYING);
  84             if (acmDeployer.deployRappInstance(rapp, rappInstance) && smeDeployer.deployRappInstance(rapp, rappInstance)
  85                         && dmeDeployer.deployRappInstance(rapp, rappInstance)) {
  86                 return ResponseEntity.accepted().build();
  87             }
  88             return ResponseEntity.status(HttpStatus.BAD_GATEWAY).build();
  89         } else {
  90             return ResponseEntity.badRequest()
  91                            .body(String.format(STATE_TRANSITION_NOT_PERMITTED, rappInstance.getState().name(),
  92                                    RappInstanceState.DEPLOYED.name()));
  93         }
  94     }
  95
  96     public ResponseEntity<String> undeployRappInstance(Rapp rapp, RappInstance rappInstance) {
  97         if (rappInstance.getState().equals(RappInstanceState.DEPLOYED)) {
  98             rappInstanceStateMachine.sendRappInstanceEvent(rappInstance, RappEvent.UNDEPLOYING);
  99             if (acmDeployer.undeployRappInstance(rapp, rappInstance) && smeDeployer.undeployRappInstance(rapp,
 100                     rappInstance) && dmeDeployer.undeployRappInstance(rapp, rappInstance)) {
 101                 return ResponseEntity.accepted().build();
 102             }
 103             return ResponseEntity.status(HttpStatus.BAD_GATEWAY).build();
 104         } else {
 105             return ResponseEntity.badRequest()
 106                            .body(String.format(STATE_TRANSITION_NOT_PERMITTED, rappInstance.getState().name(),
 107                                    RappInstanceState.UNDEPLOYED.name()));
 108         }
 109     }
 110
 111     public void updateRappInstanceState(Rapp rapp, RappInstance rappInstance) {
 112         acmDeployer.syncRappInstanceStatus(rapp.getCompositionId(), rappInstance);
 113     }
 114 }