I can’t say for sure whether or not we’ll be able to deliver by that date, but it is currently on my plate and I’m trying to find the time to tackle it now.

The task is a little daunting since it’s looking like it may be a near-total rewrite of the Python SDK to bring it to idiomatic Python 3.6+.

I figured it was a big task and I have plenty of other things I can do in the meantime. I was just curious if it was going to occur at some point more than anything. I'm really looking forward to being able to use it since Python 3 is my go to language. I'll be keeping a close eye on the progress!

Hi folks, x-posting here: when doing a

pulumi new

I get this eror:

$ pulumi new aws-python --dir vnext-cluster-poc
This command will walk you through creating a new Pulumi project.

Enter a value or leave blank to accept the default, and press <ENTER>.
Press ^C at any time to quit.
project name: (vnext-cluster-poc)
project description: (A minimal AWS Python Pulumi program)
Created project 'vnext-cluster-poc'.
stack name: (vnext-cluster-poc-dev)
Created stack 'vnext-cluster-poc-dev'
aws:region: The AWS region to deploy into: (us-east-1) us-west-2
Installing dependencies...
Your new project is configured and ready to go!
Previewing update (vnext-cluster-poc-dev):

     Type                     Name                                     Plan       Info
 +   pulumi:pulumi:Stack      vnext-cluster-poc-vnext-cluster-poc-dev  create
     └─ pulumi:providers:aws  default                                             1 error

Diagnostics:
  pulumi:providers:aws (default):
    error: no resource plugin 'aws' found in the workspace or on your $PATH

error: an error occurred while advancing the preview

What's up with that? What am I missing?

also errors on this:

$ pulumi stack init vnext-poc
error: could not create stack: error determining initial tags: open /home/tsi.lan: permission denied

Got past that error by updating permissions, but still seeing this:

error: no resource plugin 'aws' found in the workspace or on your $PATH

@early-musician-41645 did that get you unblocked?

I did, thanks!

New question: Where can I find the full python reference for pulumi-aws. E.g. how do I use the s3.BucketObject?

Unfortunately we don’t have any website-based documentation for our Python packages yet, but we do have some examples in this repo: https://github.com/pulumi/examples

In general though our Python code will closely mirror our TypeScript code, so you can use the docs like this to see the general shapes of types: https://pulumi.io/reference/pkg/nodejs/@pulumi/aws/s3/#BucketObject

In particular here’s an example that creates an EC2 instance - you can create s3 BucketObjects in pretty much the same way https://github.com/pulumi/examples/blob/master/aws-py-webserver/__main__.py

this is failing:

bucketObject = s3.BucketObject("some/foo/path/my-bucket-object", { bucket: bucket.bucket, content: "hello foo world" })

bucketObject = s3.BucketObject("some/foo/path/my-bucket-object", { bucket: bucket.bucket, content: "hello foo world" })
    NameError: name 'content' is not defined
    error: an unhandled error occurred: Program exited with non-zero exit code: 1

I'm just looking for the actual arguments that go in the constructor. The doc you posted says this:

new BucketObject(name: string, args: BucketObjectArgs, opts?: pulumi.CustomResourceOptions)
Create a BucketObject resource with the given unique name, arguments, and options.

name The unique name of the resource.
args The arguments to use to populate this resource's properties.
opts A bag of options that control this resource's behavior.

But I'm not sure what the args or opts are supposed to be

Specifically, the

BucketObjectArgs

says it has this field:

property content 
content?: pulumi.Input<string>;

So why the error about "content" not being defined?

Python dictionaries don’t have the same syntax as JavaScript ones - you can’t use bare identifiers as keys in Python maps. In this case, though, we generally project property bags like this one as keyword arguments in Python - if you look at the aws-py-webserver example, you can see that we’re passing property arguments as keyword arguments to resource constructors (like

ec2.Instance

)

(well, you can use bare identifiers, but they are parsed as variable references and not literals)

ah, yeah, my syntax was off, thanks! this works:

bucketObject = s3.BucketObject("some/foo/path/my-bucket-object",
  bucket=bucket.bucket,
  content="hello foo world")

Another question: Is there a reference to best practice for how to structure pulumi code? E.g. My team runs several (dozens) environments, e.g. 30 sandbox environments for various feature teams, a few staging environments, a dozen production envs. In Terraform I have two top-level folders for

modules

and

environments

, and then I put everything environment-specific into a

terraform.tfvars

, and I write lots of modules such as

eks-cluster

,

eks-workers

,

auth-map

, etc.

Is there some structure that works well for pulumi for this use case?

Or maybe some feature that I'm unaware of?

@big-piano-35669 this is one use case we discussed re: Tableau's PoC

Hey, sorry, I was just in a meeting

We use what we call “component resources” pretty heavily for this sort of thing. You can write normal Python modules that export classes that inherit from

pulumi.ComponentResource

and in the

__init__

of that class, you can create other resources. Sort of like this: https://github.com/pulumi/pulumi-aws-infra/blob/0f78af2ecd231e10dcc63f46ca07b8fa972ac6b1/python/pulumi_aws_infra/network.py#L25

We use these pretty heavily - it’s a great way to group things into reusable modules in the same manner as Terraform modules, but it’s all encapsulated in code and can be shared using normal Python module semantics

(e.g. import)

Hi all! We’ve decided today that the next version of the Pulumi Python SDK is going to be Python 3 only. We’ll be heavily upgrading the existing SDK over the next few weeks. The current minimum version that we’re thinking about is Python 3.6. If you don’t like that, please let me know (DM me or @ me). I’ll be tracking the Python 3 effort with this issue: https://github.com/pulumi/pulumi/issues/1535. It is currently not up-to-date but I will bring it up to date by the end of the day today.

What's wrong with this syntax?

eks_cluster_security_group = ec2.SecurityGroup(environment+"-eks-cluster-sg",
    description="EKS cluster communication with worker nodes"
    egress=[
        { 'protocol': '-1', 'from_port': 0, 'to_port': 0, 'cidr_blocks': ['0.0.0.0/0'] }
    ])

File "/home/tsi.lan/eshamay/git/mustang/sdp-mustang-terraform/pulumi/vnext-poc/__main__.py", line 33
        egress=[
             ^
    SyntaxError: invalid syntax

Are there any examples for using

eks.Cluster

?