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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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18
plugins/module_utils/helm.py
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@@ -202,6 +202,24 @@ class AnsibleHelmModule(object):
return m.group(1)
return None
def validate_helm_version(self):
"""
Validate that Helm version is >=3.0.0 and <4.0.0.
Helm 4 is not yet supported.
"""
helm_version = self.get_helm_version()
if helm_version is None:
self.fail_json(msg="Unable to determine Helm version")
if (LooseVersion(helm_version) < LooseVersion("3.0.0")) or (
LooseVersion(helm_version) >= LooseVersion("4.0.0")
):
self.fail_json(
msg="Helm version must be >=3.0.0,<4.0.0, current version is {0}".format(
helm_version
)
)
def get_values(self, release_name, get_all=False):
"""
Get Values from deployed release