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Created April 29, 2024 07:27
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List all ec2 that don't have tags defined
import boto3
import csv
def check_ec2_without_tag(tags_key_to_search, session):
# Initialize the EC2 client using the provided session
ec2_client = session.client('ec2')
# Define a dictionary to store instances without the given tag
instances_without_tag = []
# Pagination loop to retrieve all instances
paginator = ec2_client.get_paginator('describe_instances')
for page in paginator.paginate():
reservations = page['Reservations']
for reservation in reservations:
for instance in reservation['Instances']:
instance_id = instance['InstanceId']
tags = instance.get('Tags', [])
tag_keys = [tag['Key'] for tag in tags]
# Check if the tag key is not present in the instance's tags
for tag_key_to_search in tags_key_to_search:
if tag_key_to_search not in tag_keys:
instances_without_tag.append({'Profile': session.profile_name, 'InstanceID': instance_id, 'Missing': tag_key_to_search, 'Tags': tag_keys})
return instances_without_tag
def write_to_csv(volumes):
# Define the CSV file name
csv_file = 'ec2_without_tags.csv'
# Write the volumes data to a CSV file
with open(csv_file, mode='w', newline='') as file:
fieldnames = ['Profile', 'InstanceID', 'Missing', 'Tags']
writer = csv.DictWriter(file, fieldnames=fieldnames)
# Write header
# Write each volume's details
for volume in volumes:
print(f"Data written to {csv_file}")
def main():
# Get the list of available profiles from the AWS config file
session = boto3.Session()
available_profiles = session.available_profiles
# Iterate over each profile
instances_without_tags = []
for profile_name in available_profiles:
print(f"Processing profile: {profile_name}")
# Create a session using the current profile
session = boto3.Session(profile_name=profile_name)
tags_key_to_search = ["prima:domain","prima:environment"]
# Call the function to check EC2 instances without the tag
instances_without_tag = check_ec2_without_tag(tags_key_to_search, session)
# Add volumes of this profile to the list
# Write all unencrypted volumes to CSV
if __name__ == "__main__":
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