76 lines
2.3 KiB
Python
Executable File
76 lines
2.3 KiB
Python
Executable File
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import unittest, yaml
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from kubernetes import client, config, utils
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from pprint import pprint
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import subprocess
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class SampleTestCase(unittest.TestCase):
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nodes = set(["kind-test-postgres-operator-worker", "kind-test-postgres-operator-worker2", "kind-test-postgres-operator-worker3"])
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@classmethod
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def setUpClass(cls):
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# deploy operator
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_ = config.load_kube_config()
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k8s_client = client.ApiClient()
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# HACK create_from_yaml fails with multiple object defined within a single file
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# which is exactly the case with RBAC definition
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subprocess.run(["kubectl", "create", "-f", "manifests/operator-service-account-rbac.yaml"])
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for filename in ["configmap.yaml", "postgres-operator.yaml"]:
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path = "manifests/" + filename
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utils.create_from_yaml(k8s_client, path)
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#TODO wait until operator pod starts up label ; name=postgres-operator
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@classmethod
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def tearDownClass(cls):
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pass
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def setUp(self):
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self.config = config.load_kube_config()
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self.v1 = client.CoreV1Api()
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def test_assign_labels_to_nodes(self):
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"""
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Ensure labeling nodes through the externally connected Python client works.
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Sample test case to illustrate potential test structure
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"""
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body = {
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"metadata": {
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"labels": {
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"lifecycle-status": "ready"
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}
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}
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}
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for node in self.nodes:
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_ = self.v1.patch_node(node, body)
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labelled_nodes = set([])
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for node in self.nodes:
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v1_node_var = self.v1.read_node(node)
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if v1_node_var.metadata.labels['lifecycle-status'] == 'ready':
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labelled_nodes.add(v1_node_var.metadata.name)
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self.assertEqual(self.nodes, labelled_nodes,"nodes incorrectly labelled")
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def tearDown(self):
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"""
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Each test must restore the original cluster state
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to avoid introducing dependencies between tests
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"""
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body = {
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"metadata": {
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"labels": {
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"lifecycle-status": None # deletes label
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}
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}
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}
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for node in self.nodes:
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_ = self.v1.patch_node(node, body)
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if __name__ == '__main__':
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unittest.main() |