Flow Logs - Get

Service:

Network Watcher

API Version:

2024-03-01

Gets a flow log resource by name.

GET https://management.azure.com/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/networkWatchers/{networkWatcherName}/flowLogs/{flowLogName}?api-version=2024-03-01

URI Parameters

Name	In	Required	Type	Description
flowLogName	path	True	string	The name of the flow log resource.
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.

Responses

Name	Type	Description
200 OK	FlowLog	Request successful. The operation returns a 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

Get flow log

Sample request

HTTP

GET https://management.azure.com/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/networkWatchers/nw1/flowLogs/flowLog1?api-version=2024-03-01

Java

/**
 * Samples for FlowLogs Get.
 */
public final class Main {
    /*
     * x-ms-original-file:
     * specification/network/resource-manager/Microsoft.Network/stable/2024-03-01/examples/NetworkWatcherFlowLogGet.json
     */
    /**
     * Sample code: Get flow log.
     * 
     * @param azure The entry point for accessing resource management APIs in Azure.
     */
    public static void getFlowLog(com.azure.resourcemanager.AzureResourceManager azure) {
        azure.networks().manager().serviceClient().getFlowLogs().getWithResponse("rg1", "nw1", "flowLog1",
            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_get.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.get(
        resource_group_name="rg1",
        network_watcher_name="nw1",
        flow_log_name="flowLog1",
    )
    print(response)


# x-ms-original-file: specification/network/resource-manager/Microsoft.Network/stable/2024-03-01/examples/NetworkWatcherFlowLogGet.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/azidentity"
	"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/network/armnetwork/v6"
)

// Generated from example definition: https://github.com/Azure/azure-rest-api-specs/blob/4883fa5dbf6f2c9093fac8ce334547e9dfac68fa/specification/network/resource-manager/Microsoft.Network/stable/2024-03-01/examples/NetworkWatcherFlowLogGet.json
func ExampleFlowLogsClient_Get() {
	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)
	}
	res, err := clientFactory.NewFlowLogsClient().Get(ctx, "rg1", "nw1", "flowLog1", nil)
	if err != nil {
		log.Fatalf("failed to finish the request: %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("flowLog1"),
	// 	Type: to.Ptr("Microsoft.Network/networkWatchers/FlowLogs"),
	// 	ID: to.Ptr("/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/networkWatchers/тц1/FlowLogs/flowLog1"),
	// 	Location: to.Ptr("centraluseuap"),
	// 	Etag: to.Ptr("W/\"00000000-0000-0000-0000-000000000000\""),
	// 	Identity: &armnetwork.ManagedServiceIdentity{
	// 		Type: to.Ptr(armnetwork.ResourceIdentityTypeUserAssigned),
	// 		UserAssignedIdentities: map[string]*armnetwork.Components1Jq1T4ISchemasManagedserviceidentityPropertiesUserassignedidentitiesAdditionalproperties{
	// 			"/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.ManagedIdentity/userAssignedIdentities/id1": &armnetwork.Components1Jq1T4ISchemasManagedserviceidentityPropertiesUserassignedidentitiesAdditionalproperties{
	// 				ClientID: to.Ptr("c16d15e1-f60a-40e4-8a05-df3d3f655c14"),
	// 				PrincipalID: to.Ptr("e3858881-e40c-43bd-9cde-88da39c05023"),
	// 			},
	// 		},
	// 	},
	// 	Properties: &armnetwork.FlowLogPropertiesFormat{
	// 		Format: &armnetwork.FlowLogFormatParameters{
	// 			Type: to.Ptr(armnetwork.FlowLogFormatTypeJSON),
	// 			Version: to.Ptr[int32](2),
	// 		},
	// 		Enabled: to.Ptr(true),
	// 		EnabledFilteringCriteria: to.Ptr("srcIP=158.255.7.8 || dstPort=56891"),
	// 		FlowAnalyticsConfiguration: &armnetwork.TrafficAnalyticsProperties{
	// 			NetworkWatcherFlowAnalyticsConfiguration: &armnetwork.TrafficAnalyticsConfigurationProperties{
	// 				Enabled: to.Ptr(false),
	// 				TrafficAnalyticsInterval: to.Ptr[int32](60),
	// 				WorkspaceID: to.Ptr("-"),
	// 				WorkspaceRegion: to.Ptr("-"),
	// 			},
	// 		},
	// 		ProvisioningState: to.Ptr(armnetwork.ProvisioningStateSucceeded),
	// 		RetentionPolicy: &armnetwork.RetentionPolicyParameters{
	// 			Days: to.Ptr[int32](0),
	// 			Enabled: to.Ptr(false),
	// 		},
	// 		StorageID: to.Ptr("/subscriptions/subid/resourceGroups/rg/providers/Microsoft.Storage/storageAccounts/wzstorage002"),
	// 		TargetResourceGUID: to.Ptr("00000000-0000-0000-0000-000000000000"),
	// 		TargetResourceID: to.Ptr("/subscriptions/subid/resourceGroups/rg/providers/Microsoft.Network/networkSecurityGroups/vm5-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 Gets a flow log resource by name.
 *
 * @summary Gets a flow log resource by name.
 * x-ms-original-file: specification/network/resource-manager/Microsoft.Network/stable/2024-03-01/examples/NetworkWatcherFlowLogGet.json
 */
async function getFlowLog() {
  const subscriptionId = process.env["NETWORK_SUBSCRIPTION_ID"] || "subid";
  const resourceGroupName = process.env["NETWORK_RESOURCE_GROUP"] || "rg1";
  const networkWatcherName = "nw1";
  const flowLogName = "flowLog1";
  const credential = new DefaultAzureCredential();
  const client = new NetworkManagementClient(credential, subscriptionId);
  const result = await client.flowLogs.get(resourceGroupName, networkWatcherName, flowLogName);
  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 Azure;
using Azure.ResourceManager;
using System;
using System.Threading.Tasks;
using Azure.Core;
using Azure.Identity;
using Azure.ResourceManager.Network.Models;
using Azure.ResourceManager.Network;

// Generated from example definition: specification/network/resource-manager/Microsoft.Network/stable/2024-03-01/examples/NetworkWatcherFlowLogGet.json
// this example is just showing the usage of "FlowLogs_Get" 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 FlowLogResource created on azure
// for more information of creating FlowLogResource, please refer to the document of FlowLogResource
string subscriptionId = "subid";
string resourceGroupName = "rg1";
string networkWatcherName = "nw1";
string flowLogName = "flowLog1";
ResourceIdentifier flowLogResourceId = FlowLogResource.CreateResourceIdentifier(subscriptionId, resourceGroupName, networkWatcherName, flowLogName);
FlowLogResource flowLog = client.GetFlowLogResource(flowLogResourceId);

// invoke the operation
FlowLogResource result = await flowLog.GetAsync();

// 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": "flowLog1",
  "id": "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/networkWatchers/тц1/FlowLogs/flowLog1",
  "etag": "W/\"00000000-0000-0000-0000-000000000000\"",
  "properties": {
    "provisioningState": "Succeeded",
    "targetResourceId": "/subscriptions/subid/resourceGroups/rg/providers/Microsoft.Network/networkSecurityGroups/vm5-nsg",
    "targetResourceGuid": "00000000-0000-0000-0000-000000000000",
    "storageId": "/subscriptions/subid/resourceGroups/rg/providers/Microsoft.Storage/storageAccounts/wzstorage002",
    "enabledFilteringCriteria": "srcIP=158.255.7.8 || dstPort=56891",
    "enabled": true,
    "flowAnalyticsConfiguration": {
      "networkWatcherFlowAnalyticsConfiguration": {
        "enabled": false,
        "workspaceId": "-",
        "workspaceRegion": "-",
        "trafficAnalyticsInterval": 60
      }
    },
    "retentionPolicy": {
      "days": 0,
      "enabled": false
    },
    "format": {
      "type": "JSON",
      "version": 2
    }
  },
  "location": "centraluseuap",
  "type": "Microsoft.Network/networkWatchers/FlowLogs",
  "identity": {
    "type": "UserAssigned",
    "userAssignedIdentities": {
      "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.ManagedIdentity/userAssignedIdentities/id1": {
        "clientId": "c16d15e1-f60a-40e4-8a05-df3d3f655c14",
        "principalId": "e3858881-e40c-43bd-9cde-88da39c05023"
      }
    }
  }
}

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.
ManagedServiceIdentity	Identity for the resource.
ProvisioningState	The current provisioning state.
ResourceIdentityType	The type of identity used for the resource. The type 'SystemAssigned, UserAssigned' includes both an implicitly created identity and a set of user assigned identities. The type 'None' will remove any identities from the virtual machine.
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.
UserAssignedIdentities	The list of user identities associated with resource. The user identity dictionary key references will be ARM resource ids in the form: '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ManagedIdentity/userAssignedIdentities/{identityName}'.

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.
identity	ManagedServiceIdentity	FlowLog resource Managed Identity
location	string	Resource location.
name	string	Resource name.
properties.enabled	boolean	Flag to enable/disable flow logging.
properties.enabledFilteringCriteria	string	Optional field to filter network traffic logs based on SrcIP, SrcPort, DstIP, DstPort, Protocol, Encryption, Direction and Action. If not specified, all network traffic will be logged.
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

ManagedServiceIdentity

Identity for the resource.

Name	Type	Description
principalId	string	The principal id of the system assigned identity. This property will only be provided for a system assigned identity.
tenantId	string	The tenant id of the system assigned identity. This property will only be provided for a system assigned identity.
type	ResourceIdentityType	The type of identity used for the resource. The type 'SystemAssigned, UserAssigned' includes both an implicitly created identity and a set of user assigned identities. The type 'None' will remove any identities from the virtual machine.
userAssignedIdentities	UserAssignedIdentities	The list of user identities associated with resource. The user identity dictionary key references will be ARM resource ids in the form: '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ManagedIdentity/userAssignedIdentities/{identityName}'.

ProvisioningState

The current provisioning state.

Name	Type	Description
Deleting	string
Failed	string
Succeeded	string
Updating	string

ResourceIdentityType

The type of identity used for the resource. The type 'SystemAssigned, UserAssigned' includes both an implicitly created identity and a set of user assigned identities. The type 'None' will remove any identities from the virtual machine.

Name	Type	Description
None	string
SystemAssigned	string
SystemAssigned, UserAssigned	string
UserAssigned	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.

UserAssignedIdentities

The list of user identities associated with resource. The user identity dictionary key references will be ARM resource ids in the form: '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ManagedIdentity/userAssignedIdentities/{identityName}'.

Name	Type	Description