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As the first refactor PR, this also includes the initial structure for tests.
LP: #1884619
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test using it (#461)
caplog is only available in pytest itself from 3.0 onwards. In xenial, we only have pytest 2.8.7. However, in xenial we do have pytest-catchlog available (as python3-pytest-catchlog), so we use that where appropriate.
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Changes are made that simplify code and aim to properly support FreeBSD:
- use `util.find_devs_with` instead call directly `blkid`, because on FreeBSD is not supported well and `util.find_devs_with` have solution for FreeBSD for that
- introduction of an additional name on FAT file system, which is used in FreeBSD
- drop shell to use default value, because FreeBSD – by default – does not have `/bin/bash`
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Create a schema object for the chef module and validate this schema in the handle function of the module.
Some of the config keys description, so I tried looking at the code and chef documentation to provide an information to the user. However, I don't know if I have the best description for all fields. For example, for the key show_time I could not find an accurate description of what it did, so I used what was in our code base to infer what it should do.
LP: #1858888
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Namely, is_connected, is_wireless and is_present. None of these are
used in the cloud-init codebase, so remove the dead code (instead of
refactoring it).
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This commit introduces the initial structure for the "cloudinit.net -> cloudinit.distros.networking Hierarchy" refactor, as detailed in [0]. It also updates that section with some changes driven by this initial implementation, as well as adding a lot more specifics to it.
[0] https://cloudinit.readthedocs.io/en/latest/topics/hacking.html#cloudinit-net-cloudinit-distros-networking-hierarchy
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Hetzner cloud only supports user-data as a string (presumably utf-8).
In order to allow users on Hetzner to provide binary data to cloud-init,
we will attempt to base64decode the userdata.
The change here adds a 'maybe_b64decode' function that will decode data
if and only if is base64 encoded.
The reason for not using util.b64d is that we do not want the return value
decoded to a string, and util.b64d will do that if it can. Additionally
we call decode with validate=True which oddly is not the default.
LP: #1884071
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If the instance symlink doesn't exist, then we shouldn't create a
directory in its place, because that breaks future boots.
LP: #1883903
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This allows us to disable the `ensure_dir` call when it isn't
appropriate.
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This introduces a way to log the dhclient error stream, and uses it for the Azure datasource (where we have a specific requirement for this data to be logged).
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When updating the docstring to include it, I realised that the current
name is somewhat misleading; this makes it a little easier to
understand, I think.
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Reason: commit ded1ec8 introduced a regression whereby a bridge with no "parameters:" setting caused a KeyError exception.
LP: #1879673
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deployPkg enable-custom-scripts", the return code will be EX_UNAVAILABLE(69), on this condition, it should not take it as error. (#413)
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* test_opennebula: convert TestParseShellConfig to a pytest test
And allow it to run bash.
(We aren't aiming to convert TestCase tests to pytest tests as a rule.
In this case, I needed to change its implementation to limit subp usage,
and I chose pytest over CiTestCase.)
* test: move conftest.py to top-level, to cover tests/ also
This gives us a single conftest.py which is shared by all tests in the
project.
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This was brought up in review of #416.
Makes sense to remove the local copy of "is this executable file".
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runparts (run a directory of scripts) seems to fit well in subp
module. The request to move it there was raised in #416.
Replace use of logexc with LOG.debug as logexc comes from util.
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This was painful, but it finishes a TODO from cloudinit/subp.py.
It moves the following from util to subp:
ProcessExecutionError
subp
which
target_path
I moved subp_blob_in_tempfile into cc_chef, which is its only caller.
That saved us from having to deal with it using write_file
and temp_utils from subp (which does not import any cloudinit things now).
It is arguable that 'target_path' could be moved to a 'path_utils' or
something, but in order to use it from subp and also from utils,
we had to get it out of utils.
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Build time feature flags are now defined in cloudinit/features.py.
Feature flags can be added to toggle configuration options or
deprecated features. Feature flag overrides can be placed in
cloudinit/feature_overrides.py. Further documentation can be found in
HACKING.rst.
Additionally, updated default behavior to exit with an exception
if #include can't retrieve resources as expected. This behavior
can be toggled with a feature flag.
LP: #1734939
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Improving the debugability of this code path by logging the thrown exception details for the non 404 exceptions.
Retry IMDS on HTTP Error 404 and 410, re-run DHCP on other exceptions.
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This fixes issues with closing brackets not matching the opening
bracket's line and continuation line under-idented for hanging indent.
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Remove extra spaces after a ','
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Replace the hardcoded list of devices with a more robust way of determining
the device which grub is installed to.
We use grub-probe to fetch the underlying disk the /boot directory is
located on, and attempt to match the disk with its /dev/disk/by-id value.
If no such /dev/disk/by-id/ value exists, we fallback to the plain disk
name.
The changes are robust to unstable kernel device names and ordering, and use
/dev/disk/by-id values to populate grub-pc/install_devices where possible.
LP: #1877491
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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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Co-authored-by: Daniel Watkins <oddbloke@ubuntu.com>
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And add an example of providing a list of assertions.
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This allows tests to be configured to permit some commands to be run via
util.subp, while still rejecting any unexpected calls. See the
documentation for further details.
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Specifically, ensure that given values are either strings, or arrays of strings.
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and slower.
and since we're making it slower, let's cache it, in case boottime gets
called more than once.
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We recently discovered that pylint is failing to report some errors when
invoked across our entire codebase (see
https://github.com/PyCQA/pylint/issues/3611). I've run pylint across
every Python file under cloudinit/[0], and this commit fixes the issues
so-discovered.
[0] find cloudinit/ -name "*.py" | xargs -n 1 -t .tox/pylint/bin/python -m pylint
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We live in the future now.
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Create a schema object for the `apt_configure` module and
validate this schema in the `handle` function of the module.
There are some considerations regarding this PR:
* The `primary` and `security` keys have the exact same properties. I
tried to eliminate this redundancy by moving their properties to a
common place and then just referencing it for both security and
primary. Similar to what is documented here:
https://json-schema.org/understanding-json-schema/structuring.html
under the `Reuse` paragraph. However, this approach does not work,
because the `#` pointer goes to the beginning of the file, which is
a python module instead of a json file, not allowing the pointer to
find the correct definition. What I did was to create a separate dict
for the mirror config and reuse it for primary and security, but
maybe there are better approaches to do that.
* There was no documentation for the config `debconf_selections`. I
tried to infer what it supposed to do by looking at the code and the
`debconf-set-selections` manpage, but my description may not be
accurate or complete.
* Add a _parse_description function to schema.py to render multi-line
preformatted content instead of squashing all whitespace
LP: #1858884
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And raise TypeError when subp called with no args, which more accurately mirrors normal behaviour:
>>> from cloudinit.util import subp
>>> subp()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: subp() missing 1 required positional argument: 'args'
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Move from 127.0.0.1 to 127.0.1.1 for localhost IP addr for opensuse and sles
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Add a unit test to validate if the examples provided in the config
modules are conforming to the concatenated schema of all config
modules. The rationale behind that is not only to verify if the
examples are correctly written but to assert that no config schema
is interfering with each other.
Failures in validate_cloudconfig_schema raise the
SchemaValidationError by using strict=True, so I have
only called the function passing the right schema examples to
validate.
This branch also fixes an invalid schema example in cc_snap.
LP: #1876412
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Amazon Linux 2 is configured with a log format different to the one
shipped by upstream, which means analyze fails to parse any of the log
lines. This updates the code to know how to parse such lines.
LP: #1876323
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Implement the upgrade support:
- FreeBSD: using `pkg upgrade`
- NetBSD: with `pkgin`
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We want to set route-metrics such that NICs are configured with the priority that they are given in the network metadata that we receive from the IMDS. (This switches away from using MAC ordering.)
This also required the following test changes:
* reverse the sort order of the MACs in test data (so that they would trigger the bug being fixed)
* fix up the key names in `NIC2_MD` (which were under_scored instead of dash-separated)
* use a full interface dict (rather than a minimal one) for `TestConvertEc2MetadataNetworkConfig`
LP: #1876312
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Users of Centos who want to add yum repos, like they do on Fedora
or RHEL get this unfortunate message:
Skipping modules 'yum-add-repo' because they are not verified
on distro 'centos'. To run anyway, add them to
'unverified_modules' in config
Centos certainly supports yum, add it to the supported distro
list in the module.
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Bump the version in cloudinit/version.py to 20.2 and
update ChangeLog.
LP: #1875951
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Clarify in documentation that write_files will create parent folders
for paths that do not already exist.
This obfuscates what the problem is when people erroneously create
files in /tmp despite the warnings in the documentation not to do so.
People naturally assume that their file is absent because the parent folder
did not exist for it to be created in, causing them to add a runcmd block
to create the folder, even though execution order means that this will not
occur until after write_files have all finished.
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I don't believe this has ever been supported, looking at the git
history, but it certainly isn't at the moment.
LP: #1875470
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The line in question is in the code path handling older versions of
jsonschema. In that context it _is_ correct, but when pylint analyses
it against the latest jsonschema it (incorrectly) detects an error.
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Add schema definition to cc_write_files.py
Cloud-config containing write_files config directives will now
emit warnings for invalid config keys or values for the write_files
module.
Add an extension to JSON schema's draft4validator to permit either
binary or text values for 'string' objects.
This allows for JSON schema validating the YAML declaration of binary
valiues in cloud-config using YAML's '!!binary' syntax.
Add the ability to pass a specific module name to
`cloud-init devel schema --docs <module_name>|all` to optionally
limit doc output during development to a single schema doc.
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Refactoring of the `find_devs_with_*bsd()` methods:
- centralize everything in `util.py`
- add test coverage
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