mirror of
https://github.com/ansible-collections/kubernetes.core.git
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6edc84678d
This is a backport of PR #1039 as merged into main (13791ec).
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: Bianca Henderson <beeankha@gmail.com>
Reviewed-by: Mike Graves <mgraves@redhat.com>
327 lines
9.1 KiB
Python
327 lines
9.1 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# Copyright: (c) 2020, Ansible Project
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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DOCUMENTATION = r"""
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---
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module: helm_plugin
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short_description: Manage Helm plugins
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version_added: 1.0.0
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author:
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- Abhijeet Kasurde (@Akasurde)
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requirements:
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- "helm (https://github.com/helm/helm/releases)"
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description:
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- Manages Helm plugins.
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options:
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#Helm options
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state:
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description:
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- If C(state=present) the Helm plugin will be installed.
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- If C(state=latest) the Helm plugin will be updated. Added in version 2.3.0.
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- If C(state=absent) the Helm plugin will be removed.
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choices: [ absent, present, latest ]
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default: present
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type: str
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plugin_name:
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description:
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- Name of Helm plugin.
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- Required only if C(state=absent) or C(state=latest).
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type: str
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plugin_path:
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description:
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- Plugin path to a plugin on your local file system or a url of a remote VCS repo.
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- If plugin path from file system is provided, make sure that tar is present on remote
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machine and not on Ansible controller.
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- Required only if C(state=present).
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type: str
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plugin_version:
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description:
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- Plugin version to install. If this is not specified, the latest version is installed.
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- Ignored when C(state=absent) or C(state=latest).
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required: false
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type: str
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version_added: 2.3.0
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extends_documentation_fragment:
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- kubernetes.core.helm_common_options
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"""
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EXAMPLES = r"""
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- name: Install Helm env plugin
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kubernetes.core.helm_plugin:
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plugin_path: https://github.com/adamreese/helm-env
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state: present
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- name: Install Helm plugin from local filesystem
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kubernetes.core.helm_plugin:
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plugin_path: https://domain/path/to/plugin.tar.gz
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state: present
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- name: Remove Helm env plugin
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kubernetes.core.helm_plugin:
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plugin_name: env
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state: absent
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- name: Install Helm plugin with a specific version
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kubernetes.core.helm_plugin:
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plugin_version: 2.0.1
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plugin_path: https://domain/path/to/plugin.tar.gz
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state: present
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- name: Update Helm plugin
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kubernetes.core.helm_plugin:
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plugin_name: secrets
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state: latest
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"""
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RETURN = r"""
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stdout:
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type: str
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description: Full `helm` command stdout, in case you want to display it or examine the event log
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returned: always
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sample: ''
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stderr:
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type: str
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description: Full `helm` command stderr, in case you want to display it or examine the event log
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returned: always
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sample: ''
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command:
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type: str
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description: Full `helm` command built by this module, in case you want to re-run the command outside the module or debug a problem.
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returned: always
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sample: helm plugin list ...
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msg:
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type: str
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description: Info about successful command
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returned: always
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sample: "Plugin installed successfully"
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rc:
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type: int
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description: Helm plugin command return code
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returned: always
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sample: 1
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"""
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import copy
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from ansible_collections.kubernetes.core.plugins.module_utils.helm import (
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AnsibleHelmModule,
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parse_helm_plugin_list,
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)
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from ansible_collections.kubernetes.core.plugins.module_utils.helm_args_common import (
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HELM_AUTH_ARG_SPEC,
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HELM_AUTH_MUTUALLY_EXCLUSIVE,
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)
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def argument_spec():
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arg_spec = copy.deepcopy(HELM_AUTH_ARG_SPEC)
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arg_spec.update(
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dict(
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plugin_path=dict(
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type="str",
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),
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plugin_name=dict(
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type="str",
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),
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plugin_version=dict(
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type="str",
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),
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state=dict(
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type="str",
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default="present",
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choices=["present", "absent", "latest"],
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),
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)
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)
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return arg_spec
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def mutually_exclusive():
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mutually_ex = copy.deepcopy(HELM_AUTH_MUTUALLY_EXCLUSIVE)
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mutually_ex.append(("plugin_name", "plugin_path"))
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return mutually_ex
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def main():
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module = AnsibleHelmModule(
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argument_spec=argument_spec(),
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supports_check_mode=True,
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required_if=[
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("state", "present", ("plugin_path",)),
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("state", "absent", ("plugin_name",)),
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("state", "latest", ("plugin_name",)),
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],
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mutually_exclusive=mutually_exclusive(),
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)
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# Validate Helm version >=3.0.0,<4.0.0
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module.validate_helm_version()
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state = module.params.get("state")
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helm_cmd_common = module.get_helm_binary() + " plugin"
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if state == "present":
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helm_cmd_common += " install %s" % module.params.get("plugin_path")
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plugin_version = module.params.get("plugin_version")
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if plugin_version is not None:
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helm_cmd_common += " --version=%s" % plugin_version
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if not module.check_mode:
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rc, out, err = module.run_helm_command(
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helm_cmd_common, fails_on_error=False
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)
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else:
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rc, out, err = (0, "", "")
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if rc == 1 and "plugin already exists" in err:
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module.exit_json(
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failed=False,
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changed=False,
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msg="Plugin already exists",
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command=helm_cmd_common,
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stdout=out,
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stderr=err,
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rc=rc,
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)
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elif rc == 0:
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module.exit_json(
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failed=False,
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changed=True,
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msg="Plugin installed successfully",
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command=helm_cmd_common,
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stdout=out,
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stderr=err,
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rc=rc,
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)
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else:
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module.fail_json(
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msg="Failure when executing Helm command.",
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command=helm_cmd_common,
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stdout=out,
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stderr=err,
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rc=rc,
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)
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elif state == "absent":
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plugin_name = module.params.get("plugin_name")
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rc, output, err, command = module.get_helm_plugin_list()
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out = parse_helm_plugin_list(output=output.splitlines())
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if not out:
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module.exit_json(
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failed=False,
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changed=False,
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msg="Plugin not found or is already uninstalled",
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command=command,
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stdout=output,
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stderr=err,
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rc=rc,
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)
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found = False
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for line in out:
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if line[0] == plugin_name:
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found = True
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break
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if not found:
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module.exit_json(
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failed=False,
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changed=False,
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msg="Plugin not found or is already uninstalled",
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command=command,
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stdout=output,
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stderr=err,
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rc=rc,
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)
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helm_uninstall_cmd = "%s uninstall %s" % (helm_cmd_common, plugin_name)
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if not module.check_mode:
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rc, out, err = module.run_helm_command(
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helm_uninstall_cmd, fails_on_error=False
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)
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else:
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rc, out, err = (0, "", "")
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if rc == 0:
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module.exit_json(
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changed=True,
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msg="Plugin uninstalled successfully",
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command=helm_uninstall_cmd,
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stdout=out,
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stderr=err,
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rc=rc,
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)
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module.fail_json(
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msg="Failed to get Helm plugin uninstall",
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command=helm_uninstall_cmd,
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stdout=out,
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stderr=err,
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rc=rc,
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)
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elif state == "latest":
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plugin_name = module.params.get("plugin_name")
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rc, output, err, command = module.get_helm_plugin_list()
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out = parse_helm_plugin_list(output=output.splitlines())
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if not out:
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module.exit_json(
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failed=False,
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changed=False,
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msg="Plugin not found",
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command=command,
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stdout=output,
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stderr=err,
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rc=rc,
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)
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found = False
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for line in out:
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if line[0] == plugin_name:
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found = True
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break
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if not found:
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module.exit_json(
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failed=False,
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changed=False,
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msg="Plugin not found",
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command=command,
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stdout=output,
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stderr=err,
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rc=rc,
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)
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helm_update_cmd = "%s update %s" % (helm_cmd_common, plugin_name)
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if not module.check_mode:
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rc, out, err = module.run_helm_command(
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helm_update_cmd, fails_on_error=False
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)
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else:
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rc, out, err = (0, "", "")
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if rc == 0:
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module.exit_json(
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changed=True,
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msg="Plugin updated successfully",
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command=helm_update_cmd,
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stdout=out,
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stderr=err,
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rc=rc,
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)
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module.fail_json(
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msg="Failed to get Helm plugin update",
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command=helm_update_cmd,
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stdout=out,
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stderr=err,
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rc=rc,
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)
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if __name__ == "__main__":
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main()
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