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             rapp.setReason(null);
  51             if (acmDeployer.primeRapp(rapp) && dmeDeployer.primeRapp(rapp)) {
  52                 rapp.setState(RappState.PRIMED);
  53                 return ResponseEntity.ok().build();
  54             } else {
  55                 rapp.setState(RappState.COMMISSIONED);
  56                 return ResponseEntity.status(HttpStatus.BAD_GATEWAY).build();
  57             }
  58         } else {
  59             return ResponseEntity.badRequest()
  60                            .body(String.format(STATE_TRANSITION_NOT_PERMITTED, RappState.PRIMED.name(),
  61                                    rapp.getState().name()));
  62         }
  63     }
  64
  65     public ResponseEntity<String> deprimeRapp(Rapp rapp) {
  66         if (rapp.getState().equals(RappState.PRIMED) && rapp.getRappInstances().isEmpty()) {
  67             rapp.setState(RappState.DEPRIMING);
  68             rapp.setReason(null);
  69             if (acmDeployer.deprimeRapp(rapp) && dmeDeployer.deprimeRapp(rapp)) {
  70                 rapp.setState(RappState.COMMISSIONED);
  71                 return ResponseEntity.ok().build();
  72             } else {
  73                 rapp.setState(RappState.PRIMED);
  74                 return ResponseEntity.status(HttpStatus.BAD_GATEWAY).build();
  75             }
  76         } else {
  77             if (!rapp.getRappInstances().isEmpty()) {
  78                 return ResponseEntity.badRequest().body("Unable to deprime as there are active rapp instances,");
  79             } else {
  80                 return ResponseEntity.badRequest()
  81                                .body(String.format(STATE_TRANSITION_NOT_PERMITTED, RappState.COMMISSIONED.name(),
  82                                        rapp.getState().name()));
  83             }
  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         } else {
  92             if (!rApp.getRappInstances().isEmpty()) {
  93                 return ResponseEntity.badRequest()
  94                                .body("Unable to delete '" + rApp.getName() + "' as there are active rApp instances.");
  95             } else {
  96                 return ResponseEntity.badRequest().body("Unable to delete '" + rApp.getName()
  97                                                                 + "' as the rApp is not in COMMISSIONED state.");
  98             }
  99         }
 100     }
 101
 102     public ResponseEntity<String> deployRappInstance(Rapp rapp, RappInstance rappInstance) {
 103         if (rappInstance.getState().equals(RappInstanceState.UNDEPLOYED)) {
 104             rappInstanceStateMachine.sendRappInstanceEvent(rappInstance, RappEvent.DEPLOYING);
 105             if (acmDeployer.deployRappInstance(rapp, rappInstance) && smeDeployer.deployRappInstance(rapp, rappInstance)
 106                         && dmeDeployer.deployRappInstance(rapp, rappInstance)) {
 107                 return ResponseEntity.accepted().build();
 108             }
 109             return ResponseEntity.status(HttpStatus.BAD_GATEWAY).build();
 110         } else {
 111             return ResponseEntity.badRequest()
 112                            .body(String.format(STATE_TRANSITION_NOT_PERMITTED, rappInstance.getState().name(),
 113                                    RappInstanceState.DEPLOYED.name()));
 114         }
 115     }
 116
 117     public ResponseEntity<String> undeployRappInstance(Rapp rapp, RappInstance rappInstance) {
 118         if (rappInstance.getState().equals(RappInstanceState.DEPLOYED)) {
 119             rappInstanceStateMachine.sendRappInstanceEvent(rappInstance, RappEvent.UNDEPLOYING);
 120             if (acmDeployer.undeployRappInstance(rapp, rappInstance) && smeDeployer.undeployRappInstance(rapp,
 121                     rappInstance) && dmeDeployer.undeployRappInstance(rapp, rappInstance)) {
 122                 return ResponseEntity.accepted().build();
 123             }
 124             return ResponseEntity.status(HttpStatus.BAD_GATEWAY).build();
 125         } else {
 126             return ResponseEntity.badRequest()
 127                            .body(String.format(STATE_TRANSITION_NOT_PERMITTED, rappInstance.getState().name(),
 128                                    RappInstanceState.UNDEPLOYED.name()));
 129         }
 130     }
 131
 132     public void updateRappInstanceState(Rapp rapp, RappInstance rappInstance) {
 133         acmDeployer.syncRappInstanceStatus(rapp.getCompositionId(), rappInstance);
 134     }
 135 }