public static async Task MainInstance() { logger.Info("Starting example"); var provider = new ConfigFileAuthenticationDetailsProvider("DEFAULT"); var compartmentId = Environment.GetEnvironmentVariable("OCI_COMPARTMENT_ID"); var identityClient = new IdentityClient(provider); var computeClient = new ComputeClient(provider, new ClientConfiguration()); var virtualNetworkClient = new VirtualNetworkClient(provider); var blockStorageClient = new BlockstorageClient(provider); var networkCidrBlock = "10.0.1.0/24"; LaunchInstanceDetails launchInstanceDetails = null; Instance instance = null; BootVolume bootVolume = null; Instance instanceFromBootVolume = null; Vcn vcn = null; Subnet subnet = null; CreateVnicDetails createVnicDetails = null; InternetGateway internetGateway = null; AvailabilityDomain availablityDomain = await getAvailabilityDomains(identityClient, compartmentId); logger.Info($"availability domain is {availablityDomain.Name}"); Shape shape = await getShape(computeClient, compartmentId, availablityDomain); if (shape == null) { logger.Error($"No Shapes available in the availability domain: {availablityDomain.Name}"); return; } logger.Info($"shape is {shape.ShapeProp}"); Image image = await getImage(computeClient, compartmentId, shape); try { vcn = await createVcn(virtualNetworkClient, compartmentId, networkCidrBlock); // The Internet Gateway with updated Route Rules will enable the instance to connect to the public // internet. If it is not desired, remove the following two lines below that create an internet // gateway and add that internet gateway to the VCN route table. internetGateway = await createInternalGateway(virtualNetworkClient, compartmentId, vcn); await addInternetGatewayToDefaultRouteTable(virtualNetworkClient, vcn, internetGateway); subnet = await createSubnet(virtualNetworkClient, compartmentId, availablityDomain, networkCidrBlock, vcn); createVnicDetails = new CreateVnicDetails { SubnetId = subnet.Id }; launchInstanceDetails = new LaunchInstanceDetails { AvailabilityDomain = availablityDomain.Name, CompartmentId = compartmentId, Shape = shape.ShapeProp, CreateVnicDetails = createVnicDetails, ImageId = image.Id }; instance = await createInstance(computeClient, launchInstanceDetails); await printInstance(computeClient, virtualNetworkClient, instance); logger.Info("Instance is being created via boot volume ..."); // This boot volume is created based on the boot volume of previous instance which needs to be running bootVolume = await createBootVolume(blockStorageClient, compartmentId, availablityDomain, image); launchInstanceDetails = createLaunchInstanceDetailsFromBootVolume(launchInstanceDetails, bootVolume); instanceFromBootVolume = await createInstance(computeClient, launchInstanceDetails); await printInstance(computeClient, virtualNetworkClient, instanceFromBootVolume); } catch (Exception e) { logger.Error($"Failed to call LaunchInstance API: {e.Message}"); } finally { logger.Info("cleaning up resources"); if (instanceFromBootVolume != null) { await terminateInstance(computeClient, instanceFromBootVolume); } if (instance != null) { await terminateInstance(computeClient, instance); } if (internetGateway != null) { await clearRouteRulesFromDefaultRouteTable(virtualNetworkClient, vcn); await deleteInternetGateway(virtualNetworkClient, internetGateway); } if (subnet != null) { await deleteSubnet(virtualNetworkClient, subnet); } if (vcn != null) { await deleteVcn(virtualNetworkClient, vcn); } identityClient.Dispose(); computeClient.Dispose(); virtualNetworkClient.Dispose(); blockStorageClient.Dispose(); logger.Info("End example"); } }