neutron/releasenotes/notes/timestamp_format_change-73eda78566b4690b.yaml
Kevin Benton 424a633fd9 Include timezone in timestamp fields
The Neutron 'created_at'/'updated_at' fields on API resources
were inconsistent with other OpenStack projects because we did
not include timezone information. This patch addressed that
problem by adding the zulu time indicator onto the end of the
fields.

Because this could break clients expecting no timezone, this patch
also eliminates the 'timestamp_core' and 'timestamp_ext' extensions
and consolidates them into a new 'timestamp' extension. This makes
the change discoverable via the API.

This is assuming the current API development paradigm where
extensions can come and go depending on the deployment and the client
is expected to handle this by checking the loaded extensions.
Once we decide extensions are permanent, this type of change will
no longer be possible.

Even though this is being proposed late in the cycle, it is better
to get this change in before the release where we expose even more
resources with incorrectly formatted timestamps.

APIImpact
Closes-Bug: #1561200
Change-Id: I2ee2ed4c713d88345adc55b022feb95653eec663
2016-09-14 12:04:15 -07:00

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---
prelude: >
- The created_at and updated_at fields available on Neutron
resources now include a timezone indicator at the end.
Because this is a change in format, the old 'timestamp_core'
extension has been removed and replaced with a 'timestamp'
extension.
upgrade:
- The 'timestamp_core' extension has been removed and replaced
with the 'standard-attr-timestamp' extension. Objects will still
have timestamps in the 'created_at' and 'updated_at' fields, but
they will have the timestamp appended to the end of them
to be consistent with other OpenStack projects.
fixes:
- Bug 1561200 has been fixed by including the timezone with
Neutron 'created_at' and 'updated_at' fields.