def schema_validate_kubernetes_output(validate_data, cache_dir):
"""
validates given files according to kubernetes manifest schemas
schemas are cached from/to cache_dir
validate_data must be of structure ((kind, version), validate_files)
"""
(kind, version), validate_files = validate_data
KubernetesManifestValidator(cache_dir).validate(validate_files, kind=kind, version=version)
class KubernetesValidatorTest(unittest.TestCase):
def setUp(self):
os.chdir(os.path.join("examples", "kubernetes"))
self.cache_dir = tempfile.mkdtemp()
self.validator = KubernetesManifestValidator(self.cache_dir)
def test_download_and_cache(self):
kind = "service"
version = "1.14.0"
downloaded_schema = self.validator._get_schema_from_web(kind, version)
self.validator._cache_schema(kind, version, downloaded_schema)
self.assertTrue(
os.path.isfile(os.path.join(self.cache_dir, defaults.FILE_PATH_FORMAT.format(version, kind)))
)
def test_load_from_cache(self):
kind = "deployment"
version = "1.11.0" # different version just for testing
downloaded_schema = self.validator._get_schema_from_web(kind, version)
self.validator._cache_schema(kind, version, downloaded_schema)
self.assertIsInstance(self.validator._get_cached_schema(kind, version), dict)
def test_validate(self):
service_manifest_string = """
apiVersion: v1
kind: Service
metadata:
name: my-service
spec:
selector:
app: MyApp
ports:
- protocol: TCP
port: 80
targetPort: 9376
"""
manifest_path = os.path.join(self.cache_dir, "service_manifest.yaml")
with open(manifest_path, "w") as fp:
fp.write(service_manifest_string)
self.validator.validate([manifest_path], kind="service", version="1.14.0")
with self.assertRaises(KubernetesManifestValidationError):
self.validator.validate([manifest_path], kind="deployment", version="1.14.0")
def test_validate_command_pass(self):
sys.argv = ["kapitan", "validate", "--schemas-path", self.cache_dir]
try:
main()
except SystemExit:
self.fail("Kubernetes manifest validation error raised unexpectedly")
def test_validate_command_fail(self):
file_name_format = "inventory/classes/component/mysql{}.yml"
original_file = file_name_format.format("")
copied_file = file_name_format.format("_copy")
copyfile(original_file, copied_file)
wrong_manifest_kind = "deployment"
with open(original_file, "r") as fp:
d = yaml.safe_load(fp)
# change kind from service to deployment
d["parameters"]["kapitan"]["validate"][0]["kind"] = wrong_manifest_kind
with open(original_file, "w") as fp:
yaml.dump(d, fp, default_flow_style=False)
sys.argv = ["kapitan", "validate", "--schemas-path", self.cache_dir]
with self.assertRaises(SystemExit), self.assertLogs(logger="kapitan.targets", level="ERROR") as log:
try:
main()
finally:
# copy back the original file
copyfile(copied_file, original_file)
os.remove(copied_file)
self.assertTrue(" ".join(log.output).find("invalid '{}' manifest".format(wrong_manifest_kind)) != -1)
def test_validate_after_compile(self):
sys.argv = [
"kapitan",
"compile",
"-t",
"minikube-mysql",
"--validate",
"--schemas-path",
self.cache_dir,
]
try:
main()
except SystemExit:
self.fail("Kubernetes manifest validation error raised unexpectedly")
def tearDown(self):
os.chdir("../../")
reset_cache()
def setUp(self):
os.chdir(os.path.join("examples", "kubernetes"))
self.cache_dir = tempfile.mkdtemp()
self.validator = KubernetesManifestValidator(self.cache_dir)
class KubernetesValidatorTest(unittest.TestCase):
def setUp(self):
os.chdir(os.path.join('examples', 'kubernetes'))
self.cache_dir = tempfile.mkdtemp()
self.validator = KubernetesManifestValidator(self.cache_dir)
def test_download_and_cache(self):
kind = 'service'
version = '1.14.0'
downloaded_schema = self.validator._get_schema_from_web(kind, version)
self.validator._cache_schema(kind, version, downloaded_schema)
self.assertTrue(os.path.isfile(os.path.join(self.cache_dir, FILE_PATH_FORMAT.format(version, kind))))
def test_load_from_cache(self):
kind = 'deployment'
version = '1.11.0' # different version just for testing
downloaded_schema = self.validator._get_schema_from_web(kind, version)
self.validator._cache_schema(kind, version, downloaded_schema)
self.assertIsInstance(self.validator._get_cached_schema(kind, version), dict)
def test_validate(self):
service_manifest_string = """
apiVersion: v1
kind: Service
metadata:
name: my-service
spec:
selector:
app: MyApp
ports:
- protocol: TCP
port: 80
targetPort: 9376
"""
manifest_path = os.path.join(self.cache_dir, 'service_manifest.yaml')
with open(manifest_path, 'w') as fp:
fp.write(service_manifest_string)
self.validator.validate([manifest_path], kind='service', version='1.14.0')
with self.assertRaises(KubernetesManifestValidationError):
self.validator.validate([manifest_path], kind='deployment', version='1.14.0')
def test_validate_command_pass(self):
sys.argv = ['kapitan', 'validate', '--schemas-path', self.cache_dir]
try:
main()
except SystemExit:
self.fail("Kubernetes manifest validation error raised unexpectedly")
def test_validate_command_fail(self):
file_name_format = 'inventory/classes/component/mysql{}.yml'
original_file = file_name_format.format('')
copied_file = file_name_format.format('_copy')
copyfile(original_file, copied_file)
wrong_manifest_kind = 'deployment'
with open(original_file, 'r') as fp:
d = yaml.safe_load(fp)
# change kind from service to deployment
d['parameters']['kapitan']['validate'][0]['kind'] = wrong_manifest_kind
with open(original_file, 'w') as fp:
yaml.dump(d, fp, default_flow_style=False)
sys.argv = ['kapitan', 'validate', '--schemas-path', self.cache_dir]
with self.assertRaises(SystemExit), self.assertLogs(logger='kapitan.targets', level='ERROR') as log:
try:
main()
finally:
# copy back the original file
copyfile(copied_file, original_file)
os.remove(copied_file)
self.assertTrue(' '.join(log.output).find("invalid '{}' manifest".format(wrong_manifest_kind)) != -1)
def test_validate_after_compile(self):
sys.argv = ['kapitan', 'compile', '-t', 'minikube-mysql', '--validate', '--schemas-path', self.cache_dir]
try:
main()
except SystemExit:
self.fail("Kubernetes manifest validation error raised unexpectedly")
def tearDown(self):
os.chdir('../../')
reset_cache()