Flow Logs - Create Or Update

Service:

Network Watcher

API Version:

2023-09-01

Create or update a flow log for the specified network security group.

PUT https://management.azure.com/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/networkWatchers/{networkWatcherName}/flowLogs/{flowLogName}?api-version=2023-09-01

URI Parameters

Name	In	Required	Type	Description
flowLogName	path	True	string	The name of the flow log.
networkWatcherName	path	True	string	The name of the network watcher.
resourceGroupName	path	True	string	The name of the resource group.
subscriptionId	path	True	string	The subscription credentials which uniquely identify the Microsoft Azure subscription. The subscription ID forms part of the URI for every service call.
api-version	query	True	string	Client API version.

Request Body

Name	Required	Type	Description
properties.storageId	True	string	ID of the storage account which is used to store the flow log.
properties.targetResourceId	True	string	ID of network security group to which flow log will be applied.
id		string	Resource ID.
location		string	Resource location.
properties.enabled		boolean	Flag to enable/disable flow logging.
properties.flowAnalyticsConfiguration		TrafficAnalyticsProperties	Parameters that define the configuration of traffic analytics.
properties.format		FlowLogFormatParameters	Parameters that define the flow log format.
properties.retentionPolicy		RetentionPolicyParameters	Parameters that define the retention policy for flow log.
tags		object	Resource tags.

Responses

Name	Type	Description
200 OK	FlowLog	Update successful. The operation returns the resulting flow log resource.
201 Created	FlowLog	Request successful. The operation returns the resulting flow log resource.
Other Status Codes	ErrorResponse	Error response describing why the operation failed.

Security

azure_auth

Azure Active Directory OAuth2 Flow.

Type: oauth2
Flow: implicit
Authorization URL: https://login.microsoftonline.com/common/oauth2/authorize

Scopes

Name	Description
user_impersonation	impersonate your user account

Examples

Create or update flow log

Sample Request

HTTP

PUT https://management.azure.com/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/networkWatchers/nw1/flowLogs/fl?api-version=2023-09-01

{
  "location": "centraluseuap",
  "properties": {
    "targetResourceId": "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/networkSecurityGroups/desmondcentral-nsg",
    "storageId": "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Storage/storageAccounts/nwtest1mgvbfmqsigdxe",
    "enabled": true,
    "format": {
      "type": "JSON",
      "version": 1
    }
  }
}

Java

import com.azure.resourcemanager.network.fluent.models.FlowLogInner;
import com.azure.resourcemanager.network.models.FlowLogFormatParameters;
import com.azure.resourcemanager.network.models.FlowLogFormatType;

/**
 * Samples for FlowLogs CreateOrUpdate.
 */
public final class Main {
    /*
     * x-ms-original-file:
     * specification/network/resource-manager/Microsoft.Network/stable/2023-09-01/examples/NetworkWatcherFlowLogCreate.
     * json
     */
    /**
     * Sample code: Create or update flow log.
     * 
     * @param azure The entry point for accessing resource management APIs in Azure.
     */
    public static void createOrUpdateFlowLog(com.azure.resourcemanager.AzureResourceManager azure) {
        azure.networks().manager().serviceClient().getFlowLogs().createOrUpdate("rg1", "nw1", "fl", new FlowLogInner()
            .withLocation("centraluseuap")
            .withTargetResourceId(
                "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/networkSecurityGroups/desmondcentral-nsg")
            .withStorageId(
                "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Storage/storageAccounts/nwtest1mgvbfmqsigdxe")
            .withEnabled(true)
            .withFormat(new FlowLogFormatParameters().withType(FlowLogFormatType.JSON).withVersion(1)),
            com.azure.core.util.Context.NONE);
    }
}

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

Python

from azure.identity import DefaultAzureCredential
from azure.mgmt.network import NetworkManagementClient

"""
# PREREQUISITES
    pip install azure-identity
    pip install azure-mgmt-network
# USAGE
    python network_watcher_flow_log_create.py

    Before run the sample, please set the values of the client ID, tenant ID and client secret
    of the AAD application as environment variables: AZURE_CLIENT_ID, AZURE_TENANT_ID,
    AZURE_CLIENT_SECRET. For more info about how to get the value, please see:
    https://docs.microsoft.com/azure/active-directory/develop/howto-create-service-principal-portal
"""


def main():
    client = NetworkManagementClient(
        credential=DefaultAzureCredential(),
        subscription_id="subid",
    )

    response = client.flow_logs.begin_create_or_update(
        resource_group_name="rg1",
        network_watcher_name="nw1",
        flow_log_name="fl",
        parameters={
            "location": "centraluseuap",
            "properties": {
                "enabled": True,
                "format": {"type": "JSON", "version": 1},
                "storageId": "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Storage/storageAccounts/nwtest1mgvbfmqsigdxe",
                "targetResourceId": "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/networkSecurityGroups/desmondcentral-nsg",
            },
        },
    ).result()
    print(response)


# x-ms-original-file: specification/network/resource-manager/Microsoft.Network/stable/2023-09-01/examples/NetworkWatcherFlowLogCreate.json
if __name__ == "__main__":
    main()

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

Go

package armnetwork_test

import (
	"context"
	"log"

	"github.com/Azure/azure-sdk-for-go/sdk/azcore/to"
	"github.com/Azure/azure-sdk-for-go/sdk/azidentity"
	"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/network/armnetwork/v5"
)

// Generated from example definition: https://github.com/Azure/azure-rest-api-specs/blob/d4205894880b989ede35d62d97c8e901ed14fb5a/specification/network/resource-manager/Microsoft.Network/stable/2023-09-01/examples/NetworkWatcherFlowLogCreate.json
func ExampleFlowLogsClient_BeginCreateOrUpdate() {
	cred, err := azidentity.NewDefaultAzureCredential(nil)
	if err != nil {
		log.Fatalf("failed to obtain a credential: %v", err)
	}
	ctx := context.Background()
	clientFactory, err := armnetwork.NewClientFactory("<subscription-id>", cred, nil)
	if err != nil {
		log.Fatalf("failed to create client: %v", err)
	}
	poller, err := clientFactory.NewFlowLogsClient().BeginCreateOrUpdate(ctx, "rg1", "nw1", "fl", armnetwork.FlowLog{
		Location: to.Ptr("centraluseuap"),
		Properties: &armnetwork.FlowLogPropertiesFormat{
			Format: &armnetwork.FlowLogFormatParameters{
				Type:    to.Ptr(armnetwork.FlowLogFormatTypeJSON),
				Version: to.Ptr[int32](1),
			},
			Enabled:          to.Ptr(true),
			StorageID:        to.Ptr("/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Storage/storageAccounts/nwtest1mgvbfmqsigdxe"),
			TargetResourceID: to.Ptr("/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/networkSecurityGroups/desmondcentral-nsg"),
		},
	}, nil)
	if err != nil {
		log.Fatalf("failed to finish the request: %v", err)
	}
	res, err := poller.PollUntilDone(ctx, nil)
	if err != nil {
		log.Fatalf("failed to pull the result: %v", err)
	}
	// You could use response here. We use blank identifier for just demo purposes.
	_ = res
	// If the HTTP response code is 200 as defined in example definition, your response structure would look as follows. Please pay attention that all the values in the output are fake values for just demo purposes.
	// res.FlowLog = armnetwork.FlowLog{
	// 	Name: to.Ptr("Microsoft.Networkdesmond-rgdesmondcentral-nsg"),
	// 	Type: to.Ptr("Microsoft.Network/networkWatchers/FlowLogs"),
	// 	ID: to.Ptr("/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/networkWatchers/nw/FlowLogs/fl"),
	// 	Location: to.Ptr("centraluseuap"),
	// 	Etag: to.Ptr("W/\"00000000-0000-0000-0000-000000000000\""),
	// 	Properties: &armnetwork.FlowLogPropertiesFormat{
	// 		Format: &armnetwork.FlowLogFormatParameters{
	// 			Type: to.Ptr(armnetwork.FlowLogFormatTypeJSON),
	// 			Version: to.Ptr[int32](1),
	// 		},
	// 		Enabled: to.Ptr(true),
	// 		FlowAnalyticsConfiguration: &armnetwork.TrafficAnalyticsProperties{
	// 		},
	// 		ProvisioningState: to.Ptr(armnetwork.ProvisioningStateSucceeded),
	// 		RetentionPolicy: &armnetwork.RetentionPolicyParameters{
	// 			Days: to.Ptr[int32](0),
	// 			Enabled: to.Ptr(false),
	// 		},
	// 		StorageID: to.Ptr("/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Storage/storageAccounts/nwtest1mgvbfmqsigdxe"),
	// 		TargetResourceGUID: to.Ptr("00000000-0000-0000-0000-000000000000"),
	// 		TargetResourceID: to.Ptr("/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/networkSecurityGroups/desmondcentral-nsg"),
	// 	},
	// }
}

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

JavaScript

const { NetworkManagementClient } = require("@azure/arm-network");
const { DefaultAzureCredential } = require("@azure/identity");

/**
 * This sample demonstrates how to Create or update a flow log for the specified network security group.
 *
 * @summary Create or update a flow log for the specified network security group.
 * x-ms-original-file: specification/network/resource-manager/Microsoft.Network/stable/2023-09-01/examples/NetworkWatcherFlowLogCreate.json
 */
async function createOrUpdateFlowLog() {
  const subscriptionId = process.env["NETWORK_SUBSCRIPTION_ID"] || "subid";
  const resourceGroupName = process.env["NETWORK_RESOURCE_GROUP"] || "rg1";
  const networkWatcherName = "nw1";
  const flowLogName = "fl";
  const parameters = {
    format: { type: "JSON", version: 1 },
    enabled: true,
    location: "centraluseuap",
    storageId:
      "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Storage/storageAccounts/nwtest1mgvbfmqsigdxe",
    targetResourceId:
      "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/networkSecurityGroups/desmondcentral-nsg",
  };
  const credential = new DefaultAzureCredential();
  const client = new NetworkManagementClient(credential, subscriptionId);
  const result = await client.flowLogs.beginCreateOrUpdateAndWait(
    resourceGroupName,
    networkWatcherName,
    flowLogName,
    parameters,
  );
  console.log(result);
}

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

dotnet

using System;
using System.Threading.Tasks;
using Azure;
using Azure.Core;
using Azure.Identity;
using Azure.ResourceManager;
using Azure.ResourceManager.Network;
using Azure.ResourceManager.Network.Models;

// Generated from example definition: specification/network/resource-manager/Microsoft.Network/stable/2023-09-01/examples/NetworkWatcherFlowLogCreate.json
// this example is just showing the usage of "FlowLogs_CreateOrUpdate" operation, for the dependent resources, they will have to be created separately.

// get your azure access token, for more details of how Azure SDK get your access token, please refer to https://learn.microsoft.com/en-us/dotnet/azure/sdk/authentication?tabs=command-line
TokenCredential cred = new DefaultAzureCredential();
// authenticate your client
ArmClient client = new ArmClient(cred);

// this example assumes you already have this NetworkWatcherResource created on azure
// for more information of creating NetworkWatcherResource, please refer to the document of NetworkWatcherResource
string subscriptionId = "subid";
string resourceGroupName = "rg1";
string networkWatcherName = "nw1";
ResourceIdentifier networkWatcherResourceId = NetworkWatcherResource.CreateResourceIdentifier(subscriptionId, resourceGroupName, networkWatcherName);
NetworkWatcherResource networkWatcher = client.GetNetworkWatcherResource(networkWatcherResourceId);

// get the collection of this FlowLogResource
FlowLogCollection collection = networkWatcher.GetFlowLogs();

// invoke the operation
string flowLogName = "fl";
FlowLogData data = new FlowLogData()
{
    TargetResourceId = new ResourceIdentifier("/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/networkSecurityGroups/desmondcentral-nsg"),
    StorageId = new ResourceIdentifier("/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Storage/storageAccounts/nwtest1mgvbfmqsigdxe"),
    Enabled = true,
    Format = new FlowLogProperties()
    {
        FormatType = FlowLogFormatType.Json,
        Version = 1,
    },
    Location = new AzureLocation("centraluseuap"),
};
ArmOperation<FlowLogResource> lro = await collection.CreateOrUpdateAsync(WaitUntil.Completed, flowLogName, data);
FlowLogResource result = lro.Value;

// the variable result is a resource, you could call other operations on this instance as well
// but just for demo, we get its data from this resource instance
FlowLogData resourceData = result.Data;
// for demo we just print out the id
Console.WriteLine($"Succeeded on id: {resourceData.Id}");

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

Sample Response

Status code:

200

{
  "name": "Microsoft.Networkdesmond-rgdesmondcentral-nsg",
  "id": "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/networkWatchers/nw/FlowLogs/fl",
  "etag": "W/\"00000000-0000-0000-0000-000000000000\"",
  "properties": {
    "provisioningState": "Updating",
    "targetResourceId": "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/networkSecurityGroups/desmondcentral-nsg",
    "targetResourceGuid": "00000000-0000-0000-0000-000000000000",
    "storageId": "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Storage/storageAccounts/nwtest1mgvbfmqsigdxe",
    "enabled": true,
    "flowAnalyticsConfiguration": {},
    "retentionPolicy": {
      "days": 0,
      "enabled": false
    },
    "format": {
      "type": "JSON",
      "version": 1
    }
  },
  "type": "Microsoft.Network/networkWatchers/FlowLogs",
  "location": "centraluseuap"
}

Status code:

201

{
  "name": "Microsoft.Networkdesmond-rgdesmondcentral-nsg",
  "id": "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/networkWatchers/nw/FlowLogs/fl",
  "etag": "W/\"00000000-0000-0000-0000-000000000000\"",
  "properties": {
    "provisioningState": "Succeeded",
    "targetResourceId": "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/networkSecurityGroups/desmondcentral-nsg",
    "targetResourceGuid": "00000000-0000-0000-0000-000000000000",
    "storageId": "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Storage/storageAccounts/nwtest1mgvbfmqsigdxe",
    "enabled": true,
    "flowAnalyticsConfiguration": {},
    "retentionPolicy": {
      "days": 0,
      "enabled": false
    },
    "format": {
      "type": "JSON",
      "version": 1
    }
  },
  "type": "Microsoft.Network/networkWatchers/FlowLogs",
  "location": "centraluseuap"
}

Definitions

Name	Description
ErrorDetails	Common error details representation.
ErrorResponse	The error object.
FlowLog	A flow log resource.
FlowLogFormatParameters	Parameters that define the flow log format.
FlowLogFormatType	The file type of flow log.
ProvisioningState	The current provisioning state.
RetentionPolicyParameters	Parameters that define the retention policy for flow log.
TrafficAnalyticsConfigurationProperties	Parameters that define the configuration of traffic analytics.
TrafficAnalyticsProperties	Parameters that define the configuration of traffic analytics.

ErrorDetails

Common error details representation.

Name	Type	Description
code	string	Error code.
message	string	Error message.
target	string	Error target.

ErrorResponse

The error object.

Name	Type	Description
error	ErrorDetails	Error The error details object.

FlowLog

A flow log resource.

Name	Type	Description
etag	string	A unique read-only string that changes whenever the resource is updated.
id	string	Resource ID.
location	string	Resource location.
name	string	Resource name.
properties.enabled	boolean	Flag to enable/disable flow logging.
properties.flowAnalyticsConfiguration	TrafficAnalyticsProperties	Parameters that define the configuration of traffic analytics.
properties.format	FlowLogFormatParameters	Parameters that define the flow log format.
properties.provisioningState	ProvisioningState	The provisioning state of the flow log.
properties.retentionPolicy	RetentionPolicyParameters	Parameters that define the retention policy for flow log.
properties.storageId	string	ID of the storage account which is used to store the flow log.
properties.targetResourceGuid	string	Guid of network security group to which flow log will be applied.
properties.targetResourceId	string	ID of network security group to which flow log will be applied.
tags	object	Resource tags.
type	string	Resource type.

FlowLogFormatParameters

Parameters that define the flow log format.

Name	Type	Default Value	Description
type	FlowLogFormatType		The file type of flow log.
version	integer	0	The version (revision) of the flow log.

FlowLogFormatType

The file type of flow log.

Name	Type	Description
JSON	string

ProvisioningState

The current provisioning state.

Name	Type	Description
Deleting	string
Failed	string
Succeeded	string
Updating	string

RetentionPolicyParameters

Parameters that define the retention policy for flow log.

Name	Type	Default Value	Description
days	integer	0	Number of days to retain flow log records.
enabled	boolean	False	Flag to enable/disable retention.

TrafficAnalyticsConfigurationProperties

Parameters that define the configuration of traffic analytics.

Name	Type	Description
enabled	boolean	Flag to enable/disable traffic analytics.
trafficAnalyticsInterval	integer	The interval in minutes which would decide how frequently TA service should do flow analytics.
workspaceId	string	The resource guid of the attached workspace.
workspaceRegion	string	The location of the attached workspace.
workspaceResourceId	string	Resource Id of the attached workspace.

TrafficAnalyticsProperties

Parameters that define the configuration of traffic analytics.

Name	Type	Description
networkWatcherFlowAnalyticsConfiguration	TrafficAnalyticsConfigurationProperties	Parameters that define the configuration of traffic analytics.