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helm - add support for in-memory kubeconfig (#497)

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helm - add support for in-memory kubeconfig

SUMMARY

closes #492

ISSUE TYPE


Feature Pull Request

Reviewed-by: Mike Graves <mgraves@redhat.com>
Reviewed-by: Bikouo Aubin <None>
This commit is contained in:
Bikouo Aubin
2022-09-12 11:13:19 +02:00
committed by GitHub
parent 5ff3566f30
commit a3a5f3cf4b
15 changed files with 478 additions and 240 deletions
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37
plugins/module_utils/helm.py
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@@ -7,14 +7,14 @@ from __future__ import absolute_import, division, print_function
__metaclass__ = type
from contextlib import contextmanager
import os
import tempfile
import traceback
import re
import json
from ansible.module_utils.basic import missing_required_lib
from ansible.module_utils.six import string_types
try:
import yaml
@@ -25,11 +25,18 @@ except ImportError:
HAS_YAML = False
@contextmanager
def prepare_helm_environ_update(module):
environ_update = {}
file_to_cleam_up = None
kubeconfig_path = module.params.get("kubeconfig")
kubeconfig_path = None
if module.params.get("kubeconfig") is not None:
kubeconfig = module.params.get("kubeconfig")
if isinstance(kubeconfig, string_types):
kubeconfig_path = kubeconfig
elif isinstance(kubeconfig, dict):
fd, kubeconfig_path = tempfile.mkstemp()
with os.fdopen(fd, "w") as fp:
json.dump(kubeconfig, fp)
module.add_cleanup_file(kubeconfig_path)
if module.params.get("context") is not None:
environ_update["HELM_KUBECONTEXT"] = module.params.get("context")
if module.params.get("release_namespace"):
@@ -44,23 +51,19 @@ def prepare_helm_environ_update(module):
validate_certs=module.params["validate_certs"],
ca_cert=module.params["ca_cert"],
)
file_to_cleam_up = kubeconfig_path
module.add_cleanup_file(kubeconfig_path)
if kubeconfig_path is not None:
environ_update["KUBECONFIG"] = kubeconfig_path
try:
yield environ_update
finally:
if file_to_cleam_up:
os.remove(file_to_cleam_up)
return environ_update
def run_helm(module, command, fails_on_error=True):
if not HAS_YAML:
module.fail_json(msg=missing_required_lib("PyYAML"), exception=YAML_IMP_ERR)
with prepare_helm_environ_update(module) as environ_update:
rc, out, err = module.run_command(command, environ_update=environ_update)
environ_update = prepare_helm_environ_update(module)
rc, out, err = module.run_command(command, environ_update=environ_update)
if fails_on_error and rc != 0:
module.fail_json(
msg="Failure when executing Helm command. Exited {0}.\nstdout: {1}\nstderr: {2}".format(
@@ -118,7 +121,7 @@ def get_helm_plugin_list(module, helm_bin=None):
"""
if not helm_bin:
return []
helm_plugin_list = helm_bin + " list"
helm_plugin_list = helm_bin + " plugin list"
rc, out, err = run_helm(module, helm_plugin_list)
if rc != 0 or (out == "" and err == ""):
module.fail_json(
@@ -162,3 +165,9 @@ def get_helm_version(module, helm_bin):
if m:
return m.group(1)
return None
def get_helm_binary(module):
return module.params.get("binary_path") or module.get_bin_path(
"helm", required=True
)