[Expired for cloud-init because there has been no activity for 60 days.]
** Changed in: cloud-init
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1691356
Title:
vendor data is not properly rendered if there are multiline strings
Status in cloud-init:
Expired
Bug description:
When using the vendor data to configure a set of cloud-init
directives, if the YAML document contains multiline strings, the
rendered vendor-data.txt file has an invalid format.
According to the OpenStack vendor data format, used in the OpenStack
and ConfigDrive data sources, the vendor data file is a JSON file that
might contain a "cloud-init" attribute that is parsed using the same
handlers as the user data:
http://cloudinit.readthedocs.io/en/latest/topics/datasources/openstack.html
#vendor-data
When that configuration is a "#cloud-config" YAML document with
multiline strings (for example a validation certificate commonly used
in the Chef module), the resulting vendor-data.txt is generated with
invalid values for all multiline string properties.
The issue is probably in the "safeyaml" utility class, that uses default
settings to process the YAML documents:
https://git.launchpad.net/cloud-init/tree/cloudinit/safeyaml.py?id=0.7.9
But Python does not properly handle multiline strings by default:
http://stackoverflow.com/questions/6432605/any-yaml-libraries-in-python-that-support-dumping-of-long-strings-as-block-liter
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