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Limit compatibility to Helm =>v3.0.0,<4.0.0 (#1039)

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SUMMARY
Helm v4 is a major version with backward-incompatible changes, including to the flags and output of the Helm CLI and to the SDK. This version is currently not supported in the kubernetes.core. This PR is related to #1038 and is a short-term solution to mark compatibility explicitly
ISSUE TYPE

Bugfix Pull Request
Docs Pull Request

COMPONENT NAME

helm
helm_template
helm_info
helm_repository
helm_pull
helm_registry_auth
helm_plugin
helm_plugin_info

ADDITIONAL INFORMATION
Added `validate_helm_version()`` method to AnsibleHelmModule that enforces version constraint >=3.0.0,<4.0.0.
Fails fast with clear error message: "Helm version must be >=3.0.0,<4.0.0, current version is {version}"
Some modules (i.e. helm_registry_auth) technically is compatible with Helm v4, but validation was added to all helm modules.
Partially coauthored by GitHub Copilot with Claude Sonnet 4 model.
Addresses issue #1038

Reviewed-by: GomathiselviS <gomathiselvi@gmail.com>
Reviewed-by: Yuriy Novostavskiy <yuriy@novostavskiy.kyiv.ua>
Reviewed-by: Mike Graves <mgraves@redhat.com>
Reviewed-by: Alina Buzachis
Reviewed-by: Bianca Henderson <beeankha@gmail.com>
This commit is contained in:
Yuriy Novostavskiy
2026-01-26 19:39:07 +01:00
committed by GitHub
parent 452fb3d7cb
commit 13791ec7bf
19 changed files with 370 additions and 171 deletions
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43
tests/unit/module_utils/test_helm.py
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@@ -443,3 +443,46 @@ def test_module_get_helm_set_values_args(set_values, expected):
result = helm_module.get_helm_set_values_args(set_values)
assert " ".join(expected) == result
@pytest.mark.parametrize(
"helm_version,should_fail",
[
("3.0.0", False),
("3.5.0", False),
("3.10.3", False),
("3.15.0", False),
("3.17.0", False),
("2.9.0", True),
("2.17.0", True),
("4.0.0", True),
("4.1.0", True),
("5.0.0", True),
],
)
def test_module_validate_helm_version(_ansible_helm_module, helm_version, should_fail):
_ansible_helm_module.get_helm_version = MagicMock()
_ansible_helm_module.get_helm_version.return_value = helm_version
if should_fail:
with pytest.raises(SystemExit):
_ansible_helm_module.validate_helm_version()
_ansible_helm_module.fail_json.assert_called_once()
call_args = _ansible_helm_module.fail_json.call_args
assert "Helm version must be >=3.0.0,<4.0.0" in call_args[1]["msg"]
assert helm_version in call_args[1]["msg"]
else:
_ansible_helm_module.validate_helm_version()
_ansible_helm_module.fail_json.assert_not_called()
def test_module_validate_helm_version_none(_ansible_helm_module):
_ansible_helm_module.get_helm_version = MagicMock()
_ansible_helm_module.get_helm_version.return_value = None
with pytest.raises(SystemExit):
_ansible_helm_module.validate_helm_version()
_ansible_helm_module.fail_json.assert_called_once_with(
msg="Unable to determine Helm version"
)