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Fix for a flaky test failing because k8s is slow

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We create a deployment and do the following:

```
self.assertIsNotNone(dep)
```

Which does not fail, and then the code proceeds to deletion
and fails with a 404 execption in 80% of the time, but sometimes
it works. The deployment is there, but for some reason not available for
deletion.
Travis CI also showed inconsitent behaviour on this. Python3.5 passed
but all other version failed.
With this commit we wait for the deployment to become available for
deletion and only then continue.
This commit is contained in:
Oz Tiram 2019-04-08 12:35:41 +02:00
parent 0779fc9c66
commit 2b83c683f8
1 changed files with 25 additions and 9 deletions
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34
kubernetes/e2e_test/test_utils.py
View File

@ -16,6 +16,7 @@ import unittest
import yaml
from kubernetes import utils, client
from kubernetes.client.rest import ApiException
from kubernetes.e2e_test import base
@ -39,9 +40,14 @@ class TestUtils(unittest.TestCase):
dep = app_api.read_namespaced_deployment(name="nginx-app",
namespace="default")
self.assertIsNotNone(dep)
app_api.delete_namespaced_deployment(
name="nginx-app", namespace="default",
body={})
while True:
try:
app_api.delete_namespaced_deployment(
name="nginx-app", namespace="default",
body={})
break
except ApiException:
continue
def test_create_apps_deployment_from_yaml_string(self):
k8s_client = client.api_client.ApiClient(configuration=self.config)
@ -55,9 +61,14 @@ class TestUtils(unittest.TestCase):
dep = app_api.read_namespaced_deployment(name="nginx-app",
namespace="default")
self.assertIsNotNone(dep)
app_api.delete_namespaced_deployment(
name="nginx-app", namespace="default",
body={})
while True:
try:
app_api.delete_namespaced_deployment(
name="nginx-app", namespace="default",
body={})
break
except ApiException:
continue
def test_create_apps_deployment_from_yaml_obj(self):
k8s_client = client.api_client.ApiClient(configuration=self.config)
@ -71,9 +82,14 @@ class TestUtils(unittest.TestCase):
dep = app_api.read_namespaced_deployment(name="nginx-app",
namespace="default")
self.assertIsNotNone(dep)
app_api.delete_namespaced_deployment(
name="nginx-app", namespace="default",
body={})
while True:
try:
app_api.delete_namespaced_deployment(
name="nginx-app", namespace="default",
body={})
break
except ApiException:
continue
def test_create_extensions_deployment_from_yaml(self):
"""