Upgrade Azure testing images and drop CI testing of Python 2 #279
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Azure pipelines removed the option of Ubuntu 16.04 and ubuntu-latest. Upgrade to the current latest LTS release of Ubuntu explicitly.
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Python 2 isn't readily available in Azure pipelines anymore. Instead of testing Python 2 in CI, we'll have to rely on bug reports from Python 2 users.
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The image we currently use, vs2017-win2016, is deprecated. It's currently subject to "brownouts" and will be removed in the future. Switch to using windows-2019 as a replacement, as that version hasn't yet been deprecated. See https://devblogs.microsoft.com/devops/hosted-pipelines-image-deprecation/#windows for more information about the deprecation.
Without specifying which image to use for the CiCheckpoint stage, Azure
will default to using Ubuntu 16.04. However, Ubuntu 16.04 has been
removed from Azure, so the pipeline stage will end up cancelling itself
with the following error:
##[warning]An image label with the label Ubuntu16 does not exist.
,##[error]The remote provider was unable to process the request.
Pool: Azure Pipelines
Image: Ubuntu16
Explicitly specify the image to use in the CiCheckpoint stage to ensure
the stage doesn't cancel itself.
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LDong-Arm
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Jan 17, 2022
rwalton-arm
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Jan 17, 2022
| @@ -15,7 +15,7 @@ stages: | |||
| - job: code_style_check | |||
|
|
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| pool: | |||
| vmImage: ubuntu-16.04 | |||
| vmImage: ubuntu-20.04 | |||
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Have Azure actually removed ubuntu-latest? The docs seem to say ubuntu-latest still exists. If they really have removed ubuntu-latest now, then we will also have to update mbed-tools again.
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Description
Azure dropped Ubuntu 16.04, so upgrade to 20.04 image which will work until that image is also removed at some point in the future. Azure will also be dropping the windows version we were using, so upgrade to windows-2019. Python 2 is also dropped from Azure CI, as that's been made less readily available.
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