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");
}
}
private static LaunchInstanceDetails createLaunchInstanceDetailsFromBootVolume(LaunchInstanceDetails launchInstanceDetails, BootVolume bootVolume)
{
InstanceSourceViaBootVolumeDetails instanceSourceViaBootVolumeDetails = new InstanceSourceViaBootVolumeDetails
{
BootVolumeId = bootVolume.Id
};
LaunchInstanceAgentConfigDetails launchInstanceAgentConfigDetails = new LaunchInstanceAgentConfigDetails
{
IsMonitoringDisabled = true
};
return(new LaunchInstanceDetails
{
AvailabilityDomain = launchInstanceDetails.AvailabilityDomain,
CompartmentId = launchInstanceDetails.CompartmentId,
Shape = launchInstanceDetails.Shape,
CreateVnicDetails = launchInstanceDetails.CreateVnicDetails,
ImageId = launchInstanceDetails.ImageId,
SourceDetails = instanceSourceViaBootVolumeDetails,
AgentConfig = launchInstanceAgentConfigDetails
});
}
private static async Task <Instance> createInstance(ComputeClient computeClient, LaunchInstanceDetails launchInstanceDetails)
{
logger.Info("Launching an instance.....");
LaunchInstanceRequest launchInstanceRequest = new LaunchInstanceRequest {
LaunchInstanceDetails = launchInstanceDetails
};
LaunchInstanceResponse launchInstanceResponse = await computeClient.LaunchInstance(launchInstanceRequest);
GetInstanceRequest getInstanceRequest = new GetInstanceRequest {
InstanceId = launchInstanceResponse.Instance.Id
};
WaiterConfiguration waiterConfiguration = new WaiterConfiguration
{
MaxAttempts = 20,
GetNextDelayInSeconds = DelayStrategy.GetExponentialDelayInSeconds
};
GetInstanceResponse getInstanceResponse = computeClient.Waiters.ForInstance(getInstanceRequest, waiterConfiguration, Instance.LifecycleStateEnum.Running).Execute();
Instance instance = getInstanceResponse.Instance;
return(instance);
}
