Merge "Test rollout skipping"

This commit is contained in:
Jenkins 2016-11-17 18:21:05 +00:00 committed by Gerrit Code Review
commit 5652af6485
1 changed files with 136 additions and 0 deletions

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@ -136,6 +136,43 @@ class TestDaemonsetsUpdates():
"revision {0} has image {1} while expected {2}".format(
revision, nginx_revision_image, nginx_image))
def get_nginx_pod_start_time(self, k8sclient):
start_time = {}
for pod in self.get_nginx_pods(k8sclient):
start_time[pod.name] = pod.status._container_statuses[
0].state.running.started_at
return start_time
def check_rollout_skipping(self, k8sclient,
config, underlay, revision=None):
# collect pods start time
start_time = self.get_nginx_pod_start_time(k8sclient)
# try to rollout
if revision:
cmd = "kubectl rollout undo daemonset/nginx --to-revision=0"
else:
cmd = "kubectl rollout undo daemonset/nginx"
stdout = underlay.check_call(cmd, host=config)['stdout_str']
warning_message = 'daemonset "nginx" skipped rollback ' \
'(DaemonRollbackRevisionNotFound: ' \
'Unable to find last revision.)'
assert stdout == warning_message, (
"wrong warning message: \n{}. Expected: \n{}".format(
stdout, warning_message))
# check that pods start time don't changed
# collect pods start time
start_time_after_rollout = self.get_nginx_pod_start_time(k8sclient)
assert start_time == start_time_after_rollout, (
"pod's restarted. pods start time before rollout: \n{} "
"pods start time after rollout: \n{}".format(
start_time,
start_time_after_rollout)
)
@pytest.mark.revert_snapshot(ext.SNAPSHOT.k8s_deployed)
@pytest.mark.fail_snapshot
@pytest.mark.snapshot_needed
@ -734,3 +771,102 @@ class TestDaemonsetsUpdates():
self.from_nginx_image),
timeout=2 * 60
)
@pytest.mark.revert_snapshot(ext.SNAPSHOT.k8s_deployed)
@pytest.mark.fail_snapshot
@pytest.mark.snapshot_needed
def test_daemonset_skip_rollout(self, underlay, k8scluster,
config, show_step):
"""Testing of skipping rollout for a daemonset
using updateStrategy type: RollingUpdate if no updates after initial
daemonset creacting
Scenario:
1. Deploy k8s using fuel-ccp-installer
2. Create a DaemonSet for nginx with image version 1_10 and
update strategy RollingUpdate
3. Wait until nginx pods are created and become 'ready'
4. Check that the image version in the nginx pods is 1_10
Check that the image version in the nginx daemonset is 1_10
5. Rollback the nginx daemonset:
kubectl rollout undo daemonset/nginx
6. Check that rollout was skipped and pods were not restarted
Duration: 3000 seconds
"""
# STEP #1
show_step(1)
k8sclient = k8scluster.api
assert k8sclient.nodes.list() is not None, "Can not get nodes list"
# STEP #2
show_step(2)
nginx_spec = self.get_nginx_spec()
nginx_spec['spec']['template']['spec']['containers'][0][
'image'] = self.from_nginx_image
k8sclient.daemonsets.create(body=nginx_spec)
# STEP #3
show_step(3)
time.sleep(3)
self.wait_nginx_pods_ready(k8sclient)
# STEP #4
show_step(4)
self.check_nginx_pods_image(k8sclient, self.from_nginx_image)
self.check_nginx_ds_image(k8sclient, self.from_nginx_image)
# STEP #5,6
show_step(5)
show_step(6)
self.check_rollout_skipping(k8sclient, config.k8s.kube_host, underlay)
@pytest.mark.revert_snapshot(ext.SNAPSHOT.k8s_deployed)
@pytest.mark.fail_snapshot
@pytest.mark.snapshot_needed
def test_daemonset_skip_rollout_revision(self, underlay, k8scluster,
config, show_step):
"""Testing of skipping rollout for a daemonset
using updateStrategy type: RollingUpdate if no updates after initial
daemonset creacting
Scenario:
1. Deploy k8s using fuel-ccp-installer
2. Create a DaemonSet for nginx with image version 1_10 and
update strategy RollingUpdate
3. Wait until nginx pods are created and become 'ready'
4. Check that the image version in the nginx pods is 1_10
Check that the image version in the nginx daemonset is 1_10
5. Rollback the nginx daemonset:
kubectl rollout undo daemonset/nginx --to-revision
6. Check that rollout was skipped and pods were not restarted
Duration: 3000 seconds
"""
# STEP #1
show_step(1)
k8sclient = k8scluster.api
assert k8sclient.nodes.list() is not None, "Can not get nodes list"
# STEP #2
show_step(2)
nginx_spec = self.get_nginx_spec()
nginx_spec['spec']['template']['spec']['containers'][0][
'image'] = self.from_nginx_image
k8sclient.daemonsets.create(body=nginx_spec)
# STEP #3
show_step(3)
time.sleep(3)
self.wait_nginx_pods_ready(k8sclient)
# STEP #4
show_step(4)
self.check_nginx_pods_image(k8sclient, self.from_nginx_image)
self.check_nginx_ds_image(k8sclient, self.from_nginx_image)
# STEP #5,6
show_step(5)
show_step(6)
self.check_rollout_skipping(k8sclient, config.k8s.kube_host,
underlay, revision=True)