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When running 'tox -e pylint' on a bionic system (python 3.6.4) I started
seeing errors today like:
tests/cloud_tests/platforms/__init__.py:5: [E0401(import-error), ]
Unable to import 'tests.cloud_tests.platforms.ec2'
The fix for those first errors was simply to create the __init__.py.
The second set of changes fixes fallout found from actually now having
pylint properly run on more of the cloud_tests.
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This enables integration tests to utilize AWS EC2 as a testing platform by
utilizing the boto3 Python library.
Usage will create and delete a custom VPC for every run. All resources
will be tagged with the ec2 tag, 'cii', and the date (e.g.
cii-20171220-102452). The VPC is setup with both IPv4 and IPv6
capabilities, but will only hand out IPv4 addresses by default. Instances
will have complete Internet access and have full ingress and egress access
(i.e. no firewall).
SSH keys are generated with each run of the integration tests with the key
getting uploaded to AWS at the start of tests and deleted on exit. To
enable creation when the platform is setup the SSH generation code is
moved to be completed by the platform setup and not during image setup.
The nocloud-kvm platform was updated with this change.
Creating a custom image will utilize the same clean script,
boot_clean_script, that the LXD platform uses as well. The custom AMI is
generated, used, and de-registered after a test run.
The default instance type is set to t2.micro. This is one of the smallest
instance types and is free tier eligible.
The default timeout for ec2 was increased to 300 from 120 as many tests
hit up against the 2 minute timeout and depending on region load can
go over.
Documentation for the AWS platform was added with the expected
configuration files for the platform to be used. There are some
additional whitespace changes included as well.
pylint exception was added for paramiko and simplestreams. In the past
these were not already flagged due to no __init__.py in the subdirectories
of files that used these. boto3 was added to the list of dependencies in
the tox ci-test runner.
In order to grab console logs on EC2 the harness will now shut down an
instance before terminating and before collecting the console log. This
is to address a behavior of EC2 where the console log is refreshed very
infrequently, but one point when it is refreshed is after shutdown.
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The NoCloudKVM platform was inserting ssh keys via user-data
rather than through meta-data like it is done on other platforms.
This way we are not forced to change the user-data provided.
Also, provide meta-data including a uuid as the instance-id.
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This groups up each test platform into its own directory rather
than having files spread between four different directories for
one platform. Platforms tend to be worked on one at a time and
so having the platforms together makes more sense than apart.
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