Switching to multi-part cloud-init, getting: SyntaxError: invalid syntax

[authera]

I used to have

user_data  = data.template_file.user_data.rendered

I changed that to,

user_data  = data.template_cloudinit_config.master.rendered

And I added,

data "template_cloudinit_config" "master" {
  gzip          = true
  base64_encode = true
get common user_data
part {

filename     = "cloud-init.cfg"

content_type = "text/part-handler"

content      = data.template_file.user_data.rendered

}

}

But now I'm getting this error, in my cloud-init.log

2022-07-12 15:19:21,514 - util.py[DEBUG]: Writing to /var/lib/cloud/instances/1a6e9475-5d46-4b3f-b7bc-642055614e22/handlers/part-handler-000.py - wb: [600] 16701 bytes
2022-07-12 15:19:21,514 - util.py[WARNING]: Failed at registering python file: /var/lib/cloud/instances/1a6e9475-5d46-4b3f-b7bc-642055614e22/handlers/part-handler-000.py (part handler 0)
2022-07-12 15:19:21,514 - util.py[DEBUG]: Failed at registering python file: /var/lib/cloud/instances/1a6e9475-5d46-4b3f-b7bc-642055614e22/handlers/part-handler-000.py (part handler 0)
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/cloudinit/handlers/__init__.py", line 144, in walker_handle_handler
    mod = fixup_handler(importer.import_module(modname))
  File "/usr/lib/python3/dist-packages/cloudinit/importer.py", line 15, in import_module
    __import__(module_name)
  File "/var/lib/cloud/instances/1a6e9475-5d46-4b3f-b7bc-642055614e22/handlers/part-handler-000.py", line 3
    users:
         ^
SyntaxError: invalid syntax

However, nothing changed in that file. What's going on?

[Trenton]

The problem here was I had

content_type = "text/part-handler"

I should have had,

content_type = "text/cloud-config"

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For more information:

• https://cloudinit.readthedocs.io/en/latest/topics/format.html