I am new to Python and I’m writing an AWS lambda that copies files from one bucket to another. I am using the Boto3 library and have come across the following in the documentation: A copy request might return an error when Amazon S3 receives the copy request or while Amazon S3 is copying the files. If the error occurs
Tag: boto3
List of all roles with attached policies with Boto3
Found a useful thread here that helped me get part of a script to get a list of all roles and its attached policies: I am trying to figure out how to make this work so I get a list of all the roles in our AWS account and their attached policies. I am pretty new to Python/Boto3 so any
AWS Lambda function with placeholders
I am working on AWS Lambda function for my python function. I have a python function that calls an IAM policy form a file and populates it using the function. This is my function, name of the file is template_utils.py”: This is my policy file named “meta_templates.py” I want to create a lambda handler that does the same thing with
Load JSON data from CloudTrail into DynamoDB using Boto
I am working on a Boto3 script that can load the attributes from Cloudtrail into Dynamodb. The format of my cloudtrail logs is JSON. I am fairly new to DynamoDB and I am not sure where I am making a mistake. I’m trying to store “S3BucketName” as well as the name of the bucket which is “goodbucket3”. Name for the
Signature Error while updating S3 object metadata through boto3
I have a lambda function that takes S3 object from S3 events and updates it with the custom metadata. Here is the boto3 script: When I run the script, it gives me the following error: An error occurred (SignatureDoesNotMatch) when calling the CopyObject operation: The request signature we calculated does not match the signature you provided. Check your key and
Include only .gz extension files from S3 bucket
I want to process/download .gz files from S3 bucket. There are more than 10,000 files on S3 so I am using This lists .txt files which I want to avoid. How can I do that? Answer The easiest way to filter objects by name or suffix is to do it within Python, such as using .endswith() to include/exclude objects. You
How to create the dynamodb table using serverless.yml and delete the items of it using python boto3?
I’ve created the dynamodb table using serverless.yml as below: But I’ve got this issue: An error occurred: myTable – One or more parameter values were invalid: Number of attributes in KeySchema does not exactly match number of attributes defined in AttributeDefinitions (Service: AmazonDynamoDBv2; Status Code: 400; Error Code: ValidationException; Request ID: PEI9OT7E72HQN4N5MQUOIUQ18JVV4KQNSO5AEMVJF66Q9ASUAAJG; Proxy: null). Could you help me creating the
Amazon S3 boto3 how to iterate through objects in a bucket?
In a flask app, I was trying to iterate through objects in a S3 Bucket and trying to print the key/ filename but my_bucket.objects.all() returns only the first object in the bucket. It’s not returning the all the objects. The output is [001.pdf] instead of [001, 002, 003, 004, 005] Answer You are exiting the loop by returning too early.
How to upload a file from a Flask’s HTML form to an S3 bucket using python?
I have an HTML form (implemented in Flask) for uploading files. And I want to store the uploaded files directly to S3. The relevant part of the Flask implementation is as follows: I then use boto3 to upload the file to S3 as follows: file is a werkzeug.datastructures.FileStorage object. But I get the following error when uploading the file to
boto3 s3 Object expiration “MalformedXML” error
I’m trying to set the lifecycle configuration of a subdirectory in Amazon S3 bucket by using boto3 put_bucket_lifecycle_configuration. I used this code from aws documentation as referece: I removed Transitions and added Expiration, to better fit my purpouses. Here is my code: The error I’m receiving is: What could be causing this error? Answer I followed @Michael-sqlbot suggestion and found