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This removes the use of variables named ‘l’, ‘O’, or ‘I’. Generally
these are used in list comprehension to read the line of lines.
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Instead of running pycodestyle and pyflakes seperately, use flake8 to
get the benefits of pyflakes and also stylistic checks as well as the
ability to configure the settings for the project.
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This ensures that Travis will not kill our tests if fetching images is
taking a long time.
In implementation terms, this introduces a context manager which will
spin up a multiprocessing.Process in the background and print a dot to
stdout every 10 seconds. The process is terminated when the context
manager exits.
This also drop the use of travis_wait, which was being used to work
around this issue.
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These libraries provide backports of Python 3's stdlib components to Python 2. As we only support Python 3, we can simply use the stdlib now. This pull request does the following:
* removes some unneeded compatibility code for the old spelling of `assertRaisesRegex`
* replaces invocations of the Python 2-only `assertItemsEqual` with its new name, `assertCountEqual`
* replaces all usage of `unittest2` with `unittest`
* replaces all usage of `contextlib2` with `contextlib`
* drops `unittest2` and `contextlib2` from requirements files and tox.ini
It also rewrites some `test_azure` helpers to use bare asserts. We were seeing a strange error in xenial builds of this branch which appear to be stemming from the AssertionError that pytest produces being _different_ from the standard AssertionError. This means that the modified helpers weren't behaving correctly, because they weren't catching AssertionErrors as one would expect. (I believe this is related, in some way, to https://github.com/pytest-dev/pytest/issues/645, but the only version of pytest where we're affected is so far in the past that it's not worth pursuing it any further as we have a workaround.)
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See the added comment for details.
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Now that we can distinguish between CI xenial dependencies and
needed-to-run-on-dev-machine xenial depedencies, we can return to
testing with the correct jsonpatch version.
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pyflakes versions older than 2.1.0 are incompatible with Python 3.8
(which is the Python version in the current Ubuntu development release).
See https://github.com/PyCQA/pyflakes/issues/367 for details.
2.1.1 is the latest version ATM, so bump to that.
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As the nose docs[0] themselves note, it has been in maintenance mode for the past several years. pytest is an actively developed, featureful and popular alternative that the nose docs themselves recommend. See [1] for more details about the thinking here.
(This PR also removes stale tox definitions, instead of modifying them.)
[0] https://nose.readthedocs.io/en/latest/
[1] https://lists.launchpad.net/cloud-init/msg00245.html
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Specifically, drop it from the default list of environments that tox
will run, and from Travis.
(We retain the configuration in tox.ini for now, for any remaining
Python 2.7 needs.)
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This makes it easier to debug differences in test behaviour between
Travis and local developer environments.
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* docs: Add security.md to readthedocs
This enables the ability to show the security policy on both GitHub and
on the readthedocs site. To do this, enable the ability to import
Markdown based files and translate them to rst.
* Add doc-requirements.txt and update tox to use
Also removes the extra, uncessary extension addition of .md
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Added Azure to cloud tests supporting upstream integration testing.
Implement the inherited platform classes, Azure configurations
to release/platform, and docs on how to run Azure CI.
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* Create makefile and tox targets for documentation building and testing
to better replicate the live web docs using the same theme.
* Created docs.rst to explain how to build and contribute to documentation
with style guide and tips.
* doc/rtd/conf.py:
* Add copyright to rtd config
* Use Sphinx's RTD theme to replicate actual docs
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Use the requirements for the openSUSE Leap 15.0 release.
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The previous version was emitting errors due to an incompatibility with
one of its dependencies.
(We could have pinned the dependency instead, but staying current on
pylint is a worthy goal in and of itself.)
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LP: #1813361
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The tip-pylint tox target correctly reported the invalid use of
string formatting. The change here is to:
a.) Fix the error that was caught.
b.) move to pylint 2.2.2 for the default 'pylint' target.
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pylxd upstream provided a fix for the issue we were seeing, so we
can take that fix now rather than having our workarounds to order pip
installs.
The test is that this continues to work:
rm -Rf .tox/citest
tox -c tox.ini --recreate --notest -e citest
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The pylxd project has a setup.py which defines install dependencies.
Those sub-dependendencies include pbr and requests which in turn have
package version conflicts. Since tox doesn't order dependencies installed,
serially install pinned urllib3 at 1.22 which supports both pbr deps and
requests deps of pylxd.
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Fix remaining pycodesytle warnings related to invalid string literals
introduced in more recent pycodeflakes versions
https://bugs.python.org/issue27364 .
Also stop using flake8 in tox as it is incompatible with newer versions of
pyflakes. Instead we now add tox environments for pycodestyle and pyflakes
individually.
Set the versions in both pycodestyle and pyflakes to the currently
available versions.
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Ubuntu 16.04 (xenial) does not have jsonschema installed by default. As
it is listed in requirements, the tox environment will always have it
installed.
Add the helper tools/pipremove that removes pip packages. Then use that
to remove jsonschema without noise of always running and ignoring a
'pip uninstall jsonschema'.
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When we moved some tests to live under cloudinit/ we inadvertantly
failed to change all things that would run nose to include that
directory.
This changes all the 'nose' invocations to consistently run with
tests/unittests and cloudinit/.
Also, it works around, more correctly this time, a python2.6-ism with
the following code:
with assertRaises(SystemExit) as cm:
sys.exit(2)
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This adds the specific requirements for integration testing to
a single file that can be referenced in other areas. It also enables
the read-dependencies script to install those packages.
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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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This branch resolves lints seen by pylint revision 1.8.1 and updates our
pinned tox pylint dependency used by our tox pylint target.
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When we moved to having tox run on tests/ and tools/ we bumped tox
to version 1.7.1. That was an error on my part as I just checked the
version I had locally and didn't go looking for what the newest upstream
release was.
The current version as of today is 1.7.5 and 'tox -e pylint' works with
this version
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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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With the addition of the nocloud-kvm support a few other python modules
were pulled in as required and as a result this broke the tox run. The
fix was to add paramiko and simplestreams to re-enable testing.
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The first revision of this rendered tables with less decoration but there
was a desire upstream to avoid possibly breaking some parsing someone
might be doing, so it has been revised to render the same as prettytable
for the cases cloud-init actually uses.
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The package cloudinit was sparsely added to only the makefile's unittest
target and tox's py3 target. This branch adds cloudinit package to 'make
unittest3' and all tox environments. It tweaks one cloudinit unit test to
use mocked_object.call_count instead of mocked_object.assert_called_once
which is not defined in some python unittest versions.
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This adds the output of the nose timer plugin to the py3 environment to
tox. This will print out the 10 longest running tests and automatically
turn tests longer than 1 second "red" after the coverage output.
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The pinned versions of python packages in xenial do not work with
python3.6. Currently, the failure can be seen with:
$ tox -e xenial tests/unittests/test_merging.py
which ends up failing with in /usr/lib/python3.6/inspect.py with:
ValueError: Function has keyword-only parameters or annotations, use
getfullargspec() API which can support them
Instead of setting 'basepython' to 3.5 for the 'xenial', we just update
the one package that does not run correctly with python3.6. That allows
the developer to have either python3.5 or python3.6 installed and have
tox work as expected.
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This gets initial opensuse and SLES support back to a working state.
Still missing is more complete network file writing and unit tests.
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This branch is a prerequisite for IPv6 support in AWS by allowing Ec2
datasource to query the metadata source version 2016-09-02 about whether
or not it needs to configure IPv6 on interfaces. If version 2016-09-02
is not present, fallback to the min_metadata_version of 2009-04-04. The
DataSourceEc2Local not run on FreeBSD because dhclient in doesn't
support the -sf flag allowing us to run dhclient without filesystem
side-effects.
To query AWS' metadata address @ 169.254.169.254, the instance must have
a dhcp-allocated address configured. Configuring IPv4 link-local
addresses result in timeouts from the metadata service. We introduced a
DataSourceEc2Local subclass which will perform a sandboxed dhclient
discovery which obtains an authorized IP address on eth0 and crawl
metadata about full instance network configuration.
Since ec2 IPv6 metadata is not sufficient in itself to tell us all the
ipv6 knownledge we need, it only be used as a boolean to tell us which
nics need IPv6. Cloud-init will then configure desired interfaces to
DHCPv6 versus DHCPv4.
Performance side note: Shifting the dhcp work into init-local for Ec2
actually gets us 1 second faster deployments by skipping init-network
phase of alternate datasource checks because Ec2Local is configured in
an ealier boot stage. In 3 test runs prior to this change: cloud-init
runs were 5.5 seconds, with the change we now average 4.6 seconds.
This efficiency could be even further improved if we avoiding dhcp
discovery in order to talk to the metadata service from an AWS
authorized dhcp address if there were some way to advertize the dhcp
configuration via DMI/SMBIOS or system environment variables.
Inspecting time costs of the dhclient setup/teardown in 3 live runs the
time cost for the dhcp setup round trip on AWS is:
test 1: 76 milliseconds
dhcp discovery + metadata: 0.347 seconds
metadata alone: 0.271 seconds
test 2: 88 milliseconds
dhcp discovery + metadata: 0.388 seconds
metadata alone: 0.300 seconds
test 3: 75 milliseconds
dhcp discovery + metadata: 0.366 seconds
metadata alone: 0.291 seconds
LP: #1709772
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This is not yet called, but will be called in a subsequent Ec2-related branch to manually initialize a network interface with the responses using dhcp discovery without any dhcp-script side-effects. The functionality has been tested on Ec2 ubuntu and CentOS vms to ensure that network interface initialization works in both OS-types.
Since there was poor unit test coverage for the cloudinit.net.__init__ module, this branch adds a bunch of coverage to the functions in cloudinit.net.__init. We can also now have unit tests local to the cloudinit modules. The benefits of having unittests under cloudinit module:
- Proximity of unittest to cloudinit module makes it easier for ongoing devs to know where to augment unit tests. The tests.unittest directory is organizated such that it
- Allows for 1 to 1 name mapping module -> tests/test_module.py
- Improved test and module isolation, if we find unit tests have to import from a number of modules besides the module under test, it will better prompt resturcturing of the module.
This also branch touches:
- tox.ini to run unit tests found in cloudinit as well as include all test-requirements for pylint since we now have unit tests living within cloudinit package
- setup.py to exclude any test modules under cloudinit when packaging
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With the upgrade to lxd 2.15, pylxd version 2.2.3 broke.
Upgrading to version 2.2.4 fixes issues with missing attributes.
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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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When the style/checking dependencies were updated in
test-requirements.txt, the debian package build dependencies created
by ./packages/bddeb were also updated. Pycodestyle was added to the list
in order to pin its version. That broke the package build for 16.04. The
reason for this is simply that python3-pycodestyle is not available in
16.04.
The change here is to remove style dependencies from test-requirements,
and add them to the tox environments directly. We had previously changed
the package build process to not run pep8 or flake8 simply to avoid having
to code to N different versions of style checkers (3bcb72c593f).
The link between package build and test-requirements still exists, though.
So future breakage can occur if any package is added to
test-requirements.txt (or requirements.txt) if the target distro release
does not have a python3-<packagename> in its archive.
There is also a bit of a tox.ini cleanup here, in that we do not have to
explictly list '-rrequirements.txt' as the setup.py pulls those in. And
lastly, we drop the -rtest-requirements.txt from the base 'testenv', and
add these test requirements only to environments that need to run test.
Finally, a change to packages/debian/control.in to drop the build
dependencies that were listed for style checking and also a dependency
on iproute2 which was a bad unit test that has been previously fixed.
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This just moves flake8 and related tools up to newer versions and fixes
the complaints associated with that.
We added to the list of flake8 ignores:
H102: do not put vim info in source files
H304: no relative imports
Also updates and pins the following in the flake8 environment:
pep8: 1.7.0 => drop (although hacking still pulls it in).
pyflakes 1.1.0 => 1.5.0
hacking 0.10.2 => 0.13.0
flake8 2.5.4 => 3.3.0
pycodestyle none => 2.3.1
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The motivation for this is to make tip-pylint target green.
It does 2 things:
a.) silence a warning that is generated in pylint 1.7.1, but not
other versions of pylint. This bug in pylint is filed at
https://github.com/PyCQA/pylint/issues/1444
b.) move tox -e pylint to use pylint 1.7.1
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Apt related tests were broken when running on centos becasue apt is not
available. This fixes the unit test, with a small re-work of apt_configure.
Also in 'tox -e centos6' only run nose on tests/unittests as tests/
also contain integration tests that should not be run.
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Now tox will run pylint. The .pylintrc file sets pylint to only produce
errors, and will ignore certain classes that are known problematic (six).
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Because the tests/cloud_tests require specific version of pylxd
adding a tox environment makes that much easier.
Additionally it makes calling it at least a bit simpler.
Example:
tox -e citest -- run -v -n zesty --deb=cloud-init_all.deb
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- make check will no longer run the style checks, that way package builds
wont fail on a style difference in versions of the style tools in
that distro.
- created style-check make file target to continue to run pep8 and pyflakes
- added tox envs 'tip-pycodestyle' and 'tip-pyflakes' to run latest style
checking. These are not enabled by default run of tox.
LP: #1652329
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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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This has been a recurring ask and we had initially just made the change to
the cloud-init 2.0 codebase. As the current thinking is we'll just
continue to enhance the current codebase, its desirable to relicense to
match what we'd intended as part of the 2.0 plan here.
- put a brief description of license in LICENSE file
- put full license versions in LICENSE-GPLv3 and LICENSE-Apache2.0
- simplify the per-file header to reference LICENSE
- tox: ignore H102 (Apache License Header check)
Add license header to files that ship.
Reformat headers, make sure everything has vi: at end of file.
Non-shipping files do not need the copyright header,
but at the moment tests/ have it.
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First step in increasing coverage is knowing what coverage
is currently at. By default, tox only runs coverage on py3 as it
is slower to run with coverage.
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This gets the tests running in centos 6.
* ProcessExecutionError: remove setting of .message
Nothing in cloud-init seems to use .message anywhere, so
it does not seem necessary.
The reason to change it is that on 2.6 it spits out:
cloudinit/util.py:286: DeprecationWarning: BaseException.message
* tox.ini: add a centos6 environment
the tox versions listed here replicate a centos6 install with
packages from EPEL.
You will still need a python2.6 to run this env so we do not
enable it by default.
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Some of the new DigitalOcean unittests were written to use 'assert_called',
which is only available in mock versions 2.0. Because of this, the failure
would only occur in releases less than yakkety and not in 'tox'.
Add a 'xenial' entry to tox.ini with versions from xenial.
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