const { ComputeManagementClient } = require('@azure/arm-compute');
const azureConfig = require('../config/azure');
/**
* Serviço para monitorar Virtual Machines (VMs) da Azure
*/
class VMService {
constructor() {
this.client = null;
}
getClient() {
if (!this.client) {
this.client = new ComputeManagementClient(
azureConfig.getCredential(),
azureConfig.getSubscriptionId()
);
}
return this.client;
}
/**
* Lista todas as VMs em um grupo de recursos
*/
async listVMsByResourceGroup(resourceGroupName) {
try {
const client = this.getClient();
const vms = [];
for await (const vm of client.virtualMachines.list(resourceGroupName)) {
vms.push(vm);
}
return vms;
} catch (error) {
throw new Error(`Erro ao listar VMs: ${error.message}`);
}
}
/**
* Lista todas as VMs na subscription
*/
async listAllVMs() {
try {
const client = this.getClient();
const vms = [];
for await (const vm of client.virtualMachines.listAll()) {
vms.push(vm);
}
return vms;
} catch (error) {
throw new Error(`Erro ao listar todas as VMs: ${error.message}`);
}
}
/**
* Obtém detalhes de uma VM específica
*/
async getVM(resourceGroupName, vmName) {
try {
const client = this.getClient();
const vm = await client.virtualMachines.get(
resourceGroupName,
vmName,
{ expand: 'instanceView' }
);
return vm;
} catch (error) {
throw new Error(`Erro ao obter VM ${vmName}: ${error.message}`);
}
}
/**
* Obtém o status de uma VM
*/
async getVMStatus(resourceGroupName, vmName) {
try {
const vm = await this.getVM(resourceGroupName, vmName);
const statuses = vm.instanceView?.statuses || [];
return {
name: vm.name,
location: vm.location,
vmSize: vm.hardwareProfile?.vmSize,
osType: vm.storageProfile?.osDisk?.osType,
provisioningState: vm.provisioningState,
powerState: this.extractPowerState(statuses),
statuses: statuses.map(s => ({
code: s.code,
level: s.level,
displayStatus: s.displayStatus,
message: s.message
}))
};
} catch (error) {
throw new Error(`Erro ao obter status da VM ${vmName}: ${error.message}`);
}
}
extractPowerState(statuses) {
const powerStatus = statuses.find(s => s.code?.startsWith('PowerState/'));
return powerStatus ? powerStatus.displayStatus : 'Unknown';
}
}
module.exports = new VMService();
