Dataflow job service kms key name set remediation

Using Console

Using CLI

To remediate the “Dataflow Job CMK Keys Should Be Set” misconfiguration in GCP using GCP CLI, you can follow the below steps:

Open the Cloud Shell in your GCP Console.
Run the following command to set the Cloud Key Management Service (KMS) key for Dataflow:
```
gcloud dataflow jobs update <JOB_ID> --update-kms-key=<KMS_KEY>
```
Replace <JOB_ID> with the ID of the Dataflow job and <KMS_KEY> with the ID or fully qualified name of the Cloud KMS key to be used for encrypting the Dataflow job’s temporary files.
Verify that the KMS key has been set by running the following command:
```
gcloud dataflow jobs describe <JOB_ID> | grep kmsKeyName
```
This command should return the name of the KMS key that was set in step 2.
Repeat steps 2 and 3 for all Dataflow jobs that require a KMS key to be set.

By following these steps, you can remediate the “Dataflow Job CMK Keys Should Be Set” misconfiguration in GCP using GCP CLI.

Using Python

To remediate the misconfiguration “Dataflow Job CMK Keys Should Be Set” for GCP using python, you can follow the below steps:

First, you need to create a Cloud KMS key ring and key in the same region as your Dataflow job. You can use the following code to create a key ring and key:

from google.cloud import kms_v1

# Replace <project-id> with your GCP project ID
# Replace <key-ring-name> with the name of the key ring you want to create
# Replace <key-name> with the name of the key you want to create

project_id = "<project-id>"
key_ring_name = "<key-ring-name>"
key_name = "<key-name>"

# Create the Cloud KMS client
client = kms_v1.KeyManagementServiceClient()

# Create the key ring
parent = f"projects/{project_id}/locations/{location}"
key_ring = client.create_key_ring(request={"parent": parent, "key_ring_id": key_ring_name})

# Create the key
purpose = kms_v1.CryptoKey.CryptoKeyPurpose.ENCRYPT_DECRYPT
crypto_key = {"purpose": purpose}
response = client.create_crypto_key(request={"parent": key_ring.name, "crypto_key_id": key_name, "crypto_key": crypto_key})

Once you have created the key ring and key, you can update your Dataflow job to use the key. You can use the following code to update your job:

from googleapiclient.discovery import build
from oauth2client.client import GoogleCredentials

# Replace <project-id> with your GCP project ID
# Replace <job-id> with the ID of the Dataflow job you want to update
# Replace <location> with the region where your job is running
# Replace <key-ring-name> with the name of the key ring you created
# Replace <key-name> with the name of the key you created

project_id = "<project-id>"
job_id = "<job-id>"
location = "<location>"
key_ring_name = "<key-ring-name>"
key_name = "<key-name>"

# Authenticate with GCP
credentials = GoogleCredentials.get_application_default()
service = build('dataflow', 'v1b3', credentials=credentials)

# Get the current job configuration
job = service.projects().locations().jobs().get(projectId=project_id, location=location, jobId=job_id).execute()

# Update the job configuration to use the Cloud KMS key
job['environment']['userAgent']['additionalUserAgent'] = 'dataflow-kms-sample'
job['environment']['workerPools'][0]['workerHarnessContainerImage'] = 'gcr.io/dataflow-kms-cloud/dataflow-kms-sample:latest'
job['environment']['workerPools'][0]['environment']['KMS_KEY_NAME'] = f"projects/{project_id}/locations/{location}/keyRings/{key_ring_name}/cryptoKeys/{key_name}"

# Update the job
request = service.projects().locations().jobs().update(projectId=project_id, location=location, jobId=job_id, body=job)
response = request.execute()

Finally, you can verify that the job is using the Cloud KMS key by checking the logs. You should see a message similar to the following:

INFO:root:Using Cloud KMS key projects/<project-id>/locations/<location>/keyRings/<key-ring-name>/cryptoKeys/<key-name> to encrypt data

By following these steps, you should be able to remediate the misconfiguration “Dataflow Job CMK Keys Should Be Set” for GCP using python.

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Dataflow job service kms key name set remediation

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Remediation

GCP Introduction

GCP Pricing

GCP Threats

GCP Misconfigurations

Resources

GCP Threats

​Triage and Remediation

​Remediation

Triage and Remediation

Remediation