[Bug 1463373] Re: cc_apt_configure does not work with python3

[Dan Watkins]

** Description changed:

  The way cc_apt_configure.py writes out the script to fetch GPG keys
  breaks when using Python 3.
  
- * There's a constant, http://bazaar.launchpad.net/~cloud-init-dev/cloud-
- init/trunk/view/head:/cloudinit/config/cc_apt_configure.py#L39 that
- contains the script.
+ [Impact]
+ GPG keys specified in cloud configuration cannot be checked.
  
- * In getkeybyid, it's written to a temporary file:
- http://bazaar.launchpad.net/~cloud-init-dev/cloud-
- init/trunk/view/head:/cloudinit/config/cc_apt_configure.py#L113
+ [Test Case]
+ Specify a key in a source in the apt_sources cloud config key, and ensure that there aren't warnings about it in /var/log/cloud-init.log after boot.
  
- Python 3 throws an exception: 'str' does not support the buffer
- interface when doing the write.
- 
- A very simple example:
- 
- import tempfile
- 
- fh = tempfile.NamedTemporaryFile()
- TEST_STR = """ HELLO WORLD """
- fh.write(TEST_STR)
- 
- Will work with 2, but not 3.
+ [Regression Potential]
+ This part of the feature is completely broken at the moment, so very little chance to regress.

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https://bugs.launchpad.net/bugs/1463373

Title:
  cc_apt_configure does not work with python3

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