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Individual skipTest or setUp SkipTest will still launch the instance.
This allows us to stop the running of the instance so we don't
waste cycles or boot systems that are known to fail.
Also replace remaining unittest usage in tests/cloud_tests/
with unittest2.
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By default, integration tests destroy the test instances after each
test run. To aid debug and development of integration tests, support a
--preserve-instance argument which will leave the modified test instance
in a stopped state for further debug.
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The SSH function was retrying and waiting for SSH for over an
hour when an SSH connection was failing to be established. This
reduces the amount of retries and time between each retry to
prevent tests from running for hours.
Also restructures how waiting for the system works: the system
will attempt to SSH up to the boot timeout time by catching
SSH connection failures and retrying until the timeout is
reached. If the limit is reached now an exception is thrown
to abort the test.
Drive by - this also fixes printing of the instance name when
collecting the console log, rather than showing a Python object
address.
Fixes LP: #1758409
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This enables warnings produced by pylint for unused variables (W0612),
and fixes the existing errors.
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This puts in place detection for if 'show-log' will work with lxc
client, and uses that if present. The 'lxc console --show-log' is
not expected to work until lxd/liblxc3.0. That should come in a
few months. The hope is that when that function arrives, this
code will move over to using it.
For other scenarios (all current lxd installs) this will now
support getting logs from a snap installed lxd or a package installed
lxd via the old 'lxc.console.logfile'.
If installed from snap, a platform error will be raised until
the user does:
sudo mkdir --mode=1777 -p /var/snap/lxd/common/consoles
LP: #1745663
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This adds collection a gzip compressed systemd journal on systemd systems.
The file can later be reviewed with:
zcat system.journal.gz > system.journal
journalctl --file=system.journal [-o short-monotonic ..]
To support this:
* modify test harness infrastructure to not assume content is utf-8.
* fix lxd platform to support make '_execute' return bytes rather
than a string. https://github.com/lxc/pylxd/issues/268
Also switched the base collectors to use /bin/sh as others already did.
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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 exception was incorrectly creating a string and not a bytes object.
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The motivation for this is that
a.) 1.7.1 runs with python 3.6 (bionic)
b.) we want to run pylint on tests/ and tools for the same reasons
that we want to run it on cloudinit/
The changes are described below.
- Update tox.ini to invoke pylint v1.7.1.
- Modify .pylintrc generated-members ignore mocked object members (m_.*)
- Replace "dangerous" params defaulting to {}
- Fix up cloud_tests use of platforms
- Cast some instance objects to with dict()
- Handle python2.7 vs 3+ ConfigParser use of readfp (deprecated)
- Update use of assertEqual(<boolean>, value) to assert<Boolean>(value)
- replace depricated assertRegexp -> assertRegex
- Remove useless test-class calls to super class
- Assign class property accessors a result and use it
- Fix missing class member in CepkoResultTests
- Fix Cheetah test import
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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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Integration test harness changes:
* Enable collection of console log in nocloud-kvm and lxd.
* Collect the console log to results for all test runs.
* change 'tmpfile' to pick name locally instead of using 'mktemp'.
* drop the 'instance' attribute from nocloud-kvm Image and
demote LXDImage.instance to a private attribute.
This is because Images do not actually have instances.
(LXDImage internally uses a booted system to modify the image).
* Add 'TargetBase' as a superclass of Image and Instance providing
implementations of execute, read_data, write_data, pull_file,
and push_file. These all depend on an implementation of _execute.
* Improve '_execute' implementations to support accepting stdin.
* execute supports 'rcs=False' meaning 'do not raise exception'.
* Drop support for pylxd < 2.2. older versions cannot determine
exit code of 'execute', which makes them unusable.
* make NoCloudKVMInstance._execute run as root via sudo. This required
some changes so that 'hostname' could be reverse-looked up in order
to avoid sudo taking a long time (~20 seconds).
* re-use existing ssh connection in nocloud-kvm.
Test changes here:
* do not use /tmp, but rather /var/tmp (LP: #1707222)
* make keys_to_console assertions more strict.
* change user test cases to always add default (ubuntu) user
so that nocloud-kvm's execute which operates over ssh can work.
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The NoCloud KVM platform includes:
* Downloads daily Ubuntu images using streams and store in
/srv/images
* Image customization, if required, is done using
mount-image-callback otherwise image is untouched
* Launches KVM via the xkvm script, a wrapper around
qemu-system, and sets custom port for SSH
* Generation and inject an SSH (RSA 4096) key pair to use for
communication with the guest to collect test artifacts
* Add method to produce safe shell strings by base64 encoding
the command
Additional Changes:
* Set default backend to use LXD
* Verify not running script as root in order to prevent images
from becoming owned by root
* Removed extra quotes around that were added when collecting
the cloud-init version from the image
* Added info about each release as previously the lxd backend
was able to query that information from pylxd image info,
however, other backends will not be able to obtain the same
information as easily
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Massive update to clean up and greatly enhance the integration testing
framework developed by Wesley Wiedenmeier.
- Updated tox environment to run integration test 'citest' to utilize
pylxd 2.2.3
- Add support for distro feature flags
- add framework for feature flags to release config with feature groups
and overrides allowed in any release conf override level
- add support for feature flags in platform and config handling
- during collect, skip testcases that require features not supported by
the image with a warning message
- Enable additional distros (i.e. centos, debian)
- Add 'bddeb' command to build a deb from the current working tree
cleanly in a container, so deps do not have to be installed on host
- Adds a command line option '--preserve-data' that ensures that
collected data will be left after tests run. This also allows the
directory to store collected data in during the run command to be
specified using '--data-dir'.
- Updated Read the Docs testing page and doc strings for pep 257
compliance
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This will change all instances of LOG.warn to LOG.warning as warn
is now a deprecated method. It will also make sure any logging
uses lazy logging by passing string format arguments as function
parameters.
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The adds in end-to-end testing of cloud-init. The framework utilizes
LXD and cloud images as a backend to test user-data passed in.
Arbitrary data is then captured from predefined commands specified
by the user. After collection, data verification is completed by
running a series of Python unit tests against the collected data.
Currently only the Ubuntu Trusty, Xenial, Yakkety, and Zesty
releases are supported. Test cases for 50% of the modules is
complete and available.
Additionally a Read the Docs file was created to guide test
writing and execution.
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