__ __ __ __ _____ _ _ _____ _ _ _
| \/ | \ \ / / | __ \ (_) | | / ____| | | | |
| \ / |_ __\ V / | |__) | __ ___ ____ _| |_ ___ | (___ | |__ ___| | |
| |\/| | '__|> < | ___/ '__| \ \ / / _` | __/ _ \ \___ \| '_ \ / _ \ | |
| | | | |_ / . \ | | | | | |\ V / (_| | || __/ ____) | | | | __/ | |
|_| |_|_(_)_/ \_\ |_| |_| |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1
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For_More_Tools:
#
# Copyright 2021 Red Hat | Ansible
#
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
DOCUMENTATION = """
name: kustomize
short_description: Build a set of kubernetes resources using a 'kustomization.yaml' file.
version_added: "2.2.0"
author:
- Aubin Bikouo (@abikouo)
notes:
- If both kustomize and kubectl are part of the PATH, kustomize will be used by the plugin.
description:
- Uses the kustomize or the kubectl tool.
- Return the result of C(kustomize build) or C(kubectl kustomize).
options:
dir:
description:
- The directory path containing 'kustomization.yaml',
or a git repository URL with a path suffix specifying same with respect to the repository root.
- If omitted, '.' is assumed.
default: "."
binary_path:
description:
- The path of a kustomize or kubectl binary to use.
opt_dirs:
description:
- An optional list of directories to search for the executable in addition to PATH.
requirements:
- "python >= 3.6"
"""
EXAMPLES = """
- name: Run lookup using kustomize
set_fact:
resources: "{{ lookup('kubernetes.core.kustomize', binary_path='/path/to/kustomize') }}"
- name: Run lookup using kubectl kustomize
set_fact:
resources: "{{ lookup('kubernetes.core.kustomize', binary_path='/path/to/kubectl') }}"
- name: Create kubernetes resources for lookup output
k8s:
definition: "{{ lookup('kubernetes.core.kustomize', dir='/path/to/kustomization') }}"
"""
RETURN = """
_list:
description:
- YAML string for the object definitions returned from the tool execution.
type: str
sample:
kind: ConfigMap
apiVersion: v1
metadata:
name: my-config-map
namespace: default
data:
key1: val1
"""
from ansible.errors import AnsibleLookupError
from ansible.plugins.lookup import LookupBase
from ansible.module_utils.common.process import get_bin_path
import subprocess
def get_binary_from_path(name, opt_dirs=None):
opt_arg = {}
try:
if opt_dirs is not None:
if not isinstance(opt_dirs, list):
opt_dirs = [opt_dirs]
opt_arg["opt_dirs"] = opt_dirs
bin_path = get_bin_path(name, **opt_arg)
return bin_path
except ValueError:
return None
def run_command(command):
cmd = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
return cmd.communicate()
class LookupModule(LookupBase):
def run(
self, terms, variables=None, dir=".", binary_path=None, opt_dirs=None, **kwargs
):
executable_path = binary_path
if executable_path is None:
executable_path = get_binary_from_path(name="kustomize", opt_dirs=opt_dirs)
if executable_path is None:
executable_path = get_binary_from_path(
name="kubectl", opt_dirs=opt_dirs
)
# validate that at least one tool was found
if executable_path is None:
raise AnsibleLookupError(
"Failed to find required executable 'kubectl' and 'kustomize' in paths"
)
# check input directory
kustomization_dir = dir
command = [executable_path]
if executable_path.endswith("kustomize"):
command += ["build", kustomization_dir]
elif executable_path.endswith("kubectl"):
command += ["kustomize", kustomization_dir]
else:
raise AnsibleLookupError(
"unexpected tool provided as parameter {0}, expected one of kustomize, kubectl.".format(
executable_path
)
)
(out, err) = run_command(command)
if err:
raise AnsibleLookupError(
"kustomize command failed with: {0}".format(err.decode("utf-8"))
)
return [out.decode("utf-8")]