src/app/utilities/vm-migration/VmMigrationComponent.ts

   1 /*
   2  Copyright 2020 TATA ELXSI
   3
   4  Licensed under the Apache License, Version 2.0 (the 'License');
   5  you may not use this file except in compliance with the License.
   6  You may obtain a copy of the License at
   7
   8     http://www.apache.org/licenses/LICENSE-2.0
   9
  10  Unless required by applicable law or agreed to in writing, software
  11  distributed under the License is distributed on an "AS IS" BASIS,
  12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  See the License for the specific language governing permissions and
  14  limitations under the License.
  15
  16  Author: SANDHYA JS (sandhya.j@tataelxsi.co.in)
  17 */
  18 /**
  19  * @file Vm Migration Component
  20  */
  21 import { isNullOrUndefined } from 'util';
  22 import { HttpHeaders } from '@angular/common/http';
  23 import { Component, Injector, Input, OnInit } from '@angular/core';
  24 import { AbstractControl, FormBuilder, FormGroup, Validators } from '@angular/forms';
  25 import { Router } from '@angular/router';
  26 import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap';
  27 import { APIURLHEADER, ERRORDATA, MODALCLOSERESPONSEDATA, URLPARAMS } from 'CommonModel';
  28 import { environment } from 'environment';
  29 import { VMMIGRATION } from 'NSInstanceModel';
  30 import { RestService } from 'RestService';
  31 import { SharedService } from 'SharedService';
  32 import { VDUR, VNFInstanceDetails } from 'VNFInstanceModel';
  33
  34 /**
  35  * Creating component
  36  * @Component takes VmMigrationComponent.html as template url
  37  */
  38 @Component({
  39     selector: 'app-vm-migration',
  40     templateUrl: './VmMigrationComponent.html',
  41     styleUrls: ['./VmMigrationComponent.scss']
  42 })
  43 export class VmMigrationComponent implements OnInit {
  44     /** To inject services @public */
  45     public injector: Injector;
  46     /** Instance for active modal service @public */
  47     public activeModal: NgbActiveModal;
  48     /** Check the loading results @public */
  49     public isLoadingResults: Boolean = false;
  50     /** Give the message for the loading @public */
  51     public message: string = 'PLEASEWAIT';
  52     /** FormGroup instance added to the form @ html @public */
  53     public migrationForm: FormGroup;
  54     /** Items for the vdu-Id and count-index @public */
  55     public vdu: {}[];
  56     /** Selected VNFInstanceId @public */
  57     public selectedvnfId: string = '';
  58     /** Array holds VNFR Data filtered with nsr ID @public */
  59     public nsIdFilteredData: {}[] = [];
  60     /** Items for the member types @public */
  61     public memberTypes: {}[];
  62     /** Contains MemberVNFIndex values @public */
  63     public memberVnfIndex: {}[] = [];
  64     /** Contains vnfInstanceId of the selected MemberVnfIndex  @public */
  65     public instanceId: string;
  66     /** Form valid on submit trigger @public */
  67     public submitted: boolean = false;
  68     /** Contains vduId @public */
  69     public vduId: {};
  70     /** Items for countIndex @public */
  71     public countIndex: {}[];
  72     /** Input contains component objects @private */
  73     @Input() private params: URLPARAMS;
  74     /** FormBuilder instance added to the formBuilder @private */
  75     private formBuilder: FormBuilder;
  76     /** Instance of the rest service @private */
  77     private restService: RestService;
  78     /** Controls the header form @private */
  79     private headers: HttpHeaders;
  80     /** Contains all methods related to shared @private */
  81     private sharedService: SharedService;
  82     /** Holds the instance of AuthService class of type AuthService @private */
  83     private router: Router;
  84     constructor(injector: Injector) {
  85         this.injector = injector;
  86         this.restService = this.injector.get(RestService);
  87         this.activeModal = this.injector.get(NgbActiveModal);
  88         this.formBuilder = this.injector.get(FormBuilder);
  89         this.sharedService = this.injector.get(SharedService);
  90         this.router = this.injector.get(Router);
  91     }
  92     /** convenience getter for easy access to form fields */
  93     get f(): FormGroup['controls'] { return this.migrationForm.controls; }
  94     /**
  95      * Lifecyle Hooks the trigger before component is instantiate
  96      */
  97     public ngOnInit(): void {
  98         this.initializeForm();
  99         this.getMemberVnfIndex();
 100         this.headers = new HttpHeaders({
 101             'Content-Type': 'application/json',
 102             Accept: 'application/json',
 103             'Cache-Control': 'no-cache, no-store, must-revalidate, max-age=0'
 104         });
 105     }
 106     /** Initialize Migration Forms @public */
 107     public initializeForm(): void {
 108         this.migrationForm = this.formBuilder.group({
 109             memberVnfIndex: [null, [Validators.required]],
 110             vduId: [null],
 111             countIndex: [null],
 112             migrateToHost: [null]
 113         });
 114     }
 115
 116     /** Getting MemberVnfIndex using NSDescriptor API @public */
 117     public getMemberVnfIndex(): void {
 118         const vnfInstanceData: {}[] = [];
 119         this.isLoadingResults = true;
 120         this.restService.getResource(environment.VNFINSTANCES_URL).subscribe((vnfInstancesData: VNFInstanceDetails[]): void => {
 121             vnfInstancesData.forEach((vnfData: VNFInstanceDetails): void => {
 122                 const vnfDataObj: {} =
 123                 {
 124                     VNFD: vnfData['vnfd-ref'],
 125                     VNFInstanceId: vnfData._id,
 126                     MemberIndex: vnfData['member-vnf-index-ref'],
 127                     NS: vnfData['nsr-id-ref']
 128                 };
 129                 vnfInstanceData.push(vnfDataObj);
 130             });
 131             const nsId: string = 'NS';
 132             // eslint-disable-next-line security/detect-object-injection
 133             this.nsIdFilteredData = vnfInstanceData.filter((vnfdData: {}[]): boolean => vnfdData[nsId] === this.params.id);
 134             this.nsIdFilteredData.forEach((resVNF: {}[]): void => {
 135                 const memberIndex: string = 'MemberIndex';
 136                 const vnfinstanceID: string = 'VNFInstanceId';
 137                 const assignMemberIndex: {} = {
 138                     // eslint-disable-next-line security/detect-object-injection
 139                     id: resVNF[memberIndex],
 140                     // eslint-disable-next-line security/detect-object-injection
 141                     vnfinstanceId: resVNF[vnfinstanceID]
 142                 };
 143                 this.memberVnfIndex.push(assignMemberIndex);
 144             });
 145             this.memberTypes = this.memberVnfIndex;
 146             this.isLoadingResults = false;
 147         }, (error: ERRORDATA): void => {
 148             this.restService.handleError(error, 'get');
 149             this.isLoadingResults = false;
 150         });
 151     }
 152
 153     /** Getting vdu-id & count-index from VNFInstance API */
 154     public getVdu(id: string): void {
 155         this.vdu = [];
 156         const vnfInstanceData: {}[] = [];
 157         this.instanceId = id;
 158         this.getFormControl('vduId').setValue(null);
 159         this.getFormControl('countIndex').setValue(null);
 160         if (!isNullOrUndefined(id)) {
 161             this.restService.getResource(environment.VNFINSTANCES_URL + '/' + id).
 162                 subscribe((vnfInstanceDetail: VNFInstanceDetails[]): void => {
 163                     this.selectedvnfId = vnfInstanceDetail['vnfd-ref'];
 164                     const VDU: string = 'vdur';
 165                     // eslint-disable-next-line security/detect-object-injection
 166                     if (vnfInstanceDetail[VDU] !== undefined) {
 167                         // eslint-disable-next-line security/detect-object-injection
 168                         vnfInstanceDetail[VDU].forEach((vdu: VDUR): void => {
 169                             const vnfInstanceDataObj: {} =
 170                             {
 171                                 'count-index': vdu['count-index'],
 172                                 VDU: vdu['vdu-id-ref']
 173
 174                             };
 175                             vnfInstanceData.push(vnfInstanceDataObj);
 176                         });
 177                         this.vdu = vnfInstanceData;
 178                         const vduName: string = 'VDU';
 179                         this.vduId = this.vdu.filter((vdu: {}, index: number, self: {}[]): {} =>
 180                             index === self.findIndex((t: {}): {} => (
 181                                 // eslint-disable-next-line security/detect-object-injection
 182                                 t[vduName] === vdu[vduName]
 183                             ))
 184                         );
 185                     }
 186                 }, (error: ERRORDATA): void => {
 187                     this.restService.handleError(error, 'get');
 188                     this.isLoadingResults = false;
 189                 });
 190         }
 191     }
 192
 193     /** Getting count-index by filtering id  */
 194     public getCountIndex(id: string): void {
 195         const VDU: string = 'VDU';
 196         // eslint-disable-next-line security/detect-object-injection
 197         this.countIndex = this.vdu.filter((vnfdData: {}[]): boolean => vnfdData[VDU] === id);
 198     }
 199
 200     /** Trigger VM Migration on submit */
 201     public triggerMigration(): void {
 202         this.submitted = true;
 203         this.sharedService.cleanForm(this.migrationForm);
 204         if (this.migrationForm.invalid) { return; } // Proceed, onces form is valid
 205         const migrationPayload: VMMIGRATION = {
 206             lcmOperationType: 'migrate',
 207             vnfInstanceId: this.instanceId
 208         };
 209         if (!isNullOrUndefined(this.migrationForm.value.migrateToHost)) {
 210             migrationPayload.migrateToHost = this.migrationForm.value.migrateToHost;
 211         }
 212         if (!isNullOrUndefined(this.migrationForm.value.vduId) && !isNullOrUndefined(this.migrationForm.value.countIndex)) {
 213             migrationPayload.vdu = {
 214                 vduId: this.migrationForm.value.vduId,
 215                 vduCountIndex: this.migrationForm.value.countIndex
 216             };
 217         } else if (!isNullOrUndefined(this.migrationForm.value.vduId)) {
 218             migrationPayload.vdu = {
 219                 vduId: this.migrationForm.value.vduId
 220             };
 221         } else if (!isNullOrUndefined(this.migrationForm.value.countIndex)) {
 222             migrationPayload.vdu = {
 223                 vduCountIndex: this.migrationForm.value.countIndex
 224             };
 225         }
 226         this.migrationInitialization(migrationPayload);
 227     }
 228
 229     /** Initialize the Vm Migration operation @public */
 230     public migrationInitialization(migrationPayload: object): void {
 231         this.isLoadingResults = true;
 232         const apiURLHeader: APIURLHEADER = {
 233             url: environment.NSDINSTANCES_URL + '/' + this.params.id + '/migrate',
 234             httpOptions: { headers: this.headers }
 235         };
 236         const modalData: MODALCLOSERESPONSEDATA = {
 237             message: 'Done'
 238         };
 239         this.restService.postResource(apiURLHeader, migrationPayload).subscribe((result: {}): void => {
 240             this.activeModal.close(modalData);
 241             this.router.navigate(['/instances/ns/history-operations/' + this.params.id]).catch((): void => {
 242                 // Catch Navigation Error
 243             });
 244         }, (error: ERRORDATA): void => {
 245             this.restService.handleError(error, 'post');
 246             this.isLoadingResults = false;
 247         });
 248     }
 249
 250     /** Used to get the AbstractControl of controlName passed @private */
 251     private getFormControl(controlName: string): AbstractControl {
 252         // eslint-disable-next-line security/detect-object-injection
 253         return this.migrationForm.controls[controlName];
 254     }
 255 }