Merge "Rollout a daemonset using updateStrategy type: RollingUpdate"
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0e0fe2f4fd
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@ -270,3 +270,54 @@ class TestDaemonsetsUpdates():
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k8sclient,
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k8sclient,
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self.to_nginx_image),
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self.to_nginx_image),
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timeout=2 * 60)
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timeout=2 * 60)
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@pytest.mark.revert_snapshot(ext.SNAPSHOT.k8s_deployed)
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@pytest.mark.fail_snapshot
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@pytest.mark.snapshot_needed
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def test_daemonset_rollout_rollingupdate(self, underlay,
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k8scluster, config, show_step):
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"""Rollback a daemonset using updateStrategy type: RollingUpdate
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Scenario:
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1. Deploy k8s using fuel-ccp-installer
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2. Create a DaemonSet for nginx with image version 1_10 and
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update strategy RollingUpdate
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3. Wait until nginx pods are created and become 'ready'
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4. Check that the image version in the nginx pods is 1_10
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Check that the image version in the nginx daemonset is 1_10
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5. Change nginx image version to 1_11 using YAML
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6. Wait for 10 seconds (needs to check that there were
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no auto updates of the nginx pods)
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7. Check that the image version in the nginx daemonset
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is updated to 1_11
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Wait for ~120 sec that the image version
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in the nginx pods is changed to 1_11
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8. Rollback the nginx daemonset:
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kubectl rollout undo daemonset/nginx
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9. Check that the image version in the nginx daemonset is
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downgraded to 1_10
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Wait for ~120 sec that the image version
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in the nginx pods is downgraded to 1_10
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Duration: 3000 seconds
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"""
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self.test_daemonset_rollingupdate(k8scluster, show_step)
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k8sclient = k8scluster.api
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show_step(8)
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cmd = "kubectl rollout undo daemonset/nginx"
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underlay.check_call(cmd,
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host=config.k8s.kube_host)
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# STEP #9
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show_step(9)
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self.check_nginx_ds_image(k8sclient, self.from_nginx_image)
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# Pods should have new image version
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helpers.wait_pass(
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lambda: self.check_nginx_pods_image(
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k8sclient,
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self.from_nginx_image),
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timeout=2 * 60
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)
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