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Replicate apply method in the DynamicClient (#45)
* * Replicate apply method in the DynamicClient Signed-off-by: Alina Buzachis <abuzachis@redhat.com> * * Add changelog fragment Signed-off-by: Alina Buzachis <abuzachis@redhat.com>
This commit is contained in:
Alina Buzachis
GitHub
421
tests/unit/module_utils/test_apply.py
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421
tests/unit/module_utils/test_apply.py
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# Copyright [2017] [Red Hat, Inc.]
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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from ansible_collections.kubernetes.core.plugins.module_utils.apply import merge, apply_patch
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tests = [
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dict(
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last_applied=dict(
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kind="ConfigMap",
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metadata=dict(name="foo"),
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data=dict(one="1", two="2")
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),
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desired=dict(
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kind="ConfigMap",
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metadata=dict(name="foo"),
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data=dict(one="1", two="2")
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),
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expected={}
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),
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dict(
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last_applied=dict(
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kind="ConfigMap",
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metadata=dict(name="foo"),
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data=dict(one="1", two="2")
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),
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desired=dict(
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kind="ConfigMap",
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metadata=dict(name="foo"),
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data=dict(one="1", two="2", three="3")
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),
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expected=dict(data=dict(three="3"))
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),
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dict(
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last_applied=dict(
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kind="ConfigMap",
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metadata=dict(name="foo"),
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data=dict(one="1", two="2")
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),
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desired=dict(
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kind="ConfigMap",
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metadata=dict(name="foo"),
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data=dict(one="1", three="3")
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),
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expected=dict(data=dict(two=None, three="3"))
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),
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dict(
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last_applied=dict(
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kind="ConfigMap",
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metadata=dict(name="foo", annotations=dict(this="one", hello="world")),
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data=dict(one="1", two="2")
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),
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desired=dict(
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kind="ConfigMap",
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metadata=dict(name="foo"),
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data=dict(one="1", three="3")
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),
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expected=dict(metadata=dict(annotations=None), data=dict(two=None, three="3"))
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),
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dict(
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last_applied=dict(
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kind="Service",
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metadata=dict(name="foo"),
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spec=dict(ports=[dict(port=8080, name="http")])
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),
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actual=dict(
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kind="Service",
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metadata=dict(name="foo"),
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spec=dict(ports=[dict(port=8080, protocol='TCP', name="http")])
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),
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desired=dict(
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kind="Service",
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metadata=dict(name="foo"),
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spec=dict(ports=[dict(port=8080, name="http")])
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),
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expected=dict(spec=dict(ports=[dict(port=8080, protocol='TCP', name="http")]))
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),
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dict(
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last_applied=dict(
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kind="Service",
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metadata=dict(name="foo"),
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spec=dict(ports=[dict(port=8080, name="http")])
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),
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actual=dict(
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kind="Service",
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metadata=dict(name="foo"),
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spec=dict(ports=[dict(port=8080, protocol='TCP', name="http")])
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),
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desired=dict(
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kind="Service",
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metadata=dict(name="foo"),
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spec=dict(ports=[dict(port=8081, name="http")])
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),
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expected=dict(spec=dict(ports=[dict(port=8081, name="http")]))
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),
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dict(
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last_applied=dict(
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kind="Service",
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metadata=dict(name="foo"),
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spec=dict(ports=[dict(port=8080, name="http")])
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),
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actual=dict(
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kind="Service",
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metadata=dict(name="foo"),
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spec=dict(ports=[dict(port=8080, protocol='TCP', name="http")])
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),
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desired=dict(
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kind="Service",
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metadata=dict(name="foo"),
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spec=dict(ports=[dict(port=8443, name="https"), dict(port=8080, name="http")])
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),
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expected=dict(spec=dict(ports=[dict(port=8443, name="https"), dict(port=8080, name="http", protocol='TCP')]))
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),
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dict(
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last_applied=dict(
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kind="Service",
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metadata=dict(name="foo"),
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spec=dict(ports=[dict(port=8443, name="https"), dict(port=8080, name="http")])
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),
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actual=dict(
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kind="Service",
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metadata=dict(name="foo"),
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spec=dict(ports=[dict(port=8443, protocol='TCP', name="https"), dict(port=8080, protocol='TCP', name='http')])
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),
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desired=dict(
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kind="Service",
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metadata=dict(name="foo"),
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spec=dict(ports=[dict(port=8080, name="http")])
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),
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expected=dict(spec=dict(ports=[dict(port=8080, name="http", protocol='TCP')]))
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),
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dict(
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last_applied=dict(
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kind="Service",
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metadata=dict(name="foo"),
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spec=dict(ports=[dict(port=8443, name="https", madeup="xyz"), dict(port=8080, name="http")])
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),
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actual=dict(
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kind="Service",
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metadata=dict(name="foo"),
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spec=dict(ports=[dict(port=8443, protocol='TCP', name="https", madeup="xyz"), dict(port=8080, protocol='TCP', name='http')])
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),
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desired=dict(
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kind="Service",
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metadata=dict(name="foo"),
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spec=dict(ports=[dict(port=8443, name="https")])
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),
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expected=dict(spec=dict(ports=[dict(madeup=None, port=8443, name="https", protocol='TCP')]))
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),
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dict(
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last_applied=dict(
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kind="Pod",
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metadata=dict(name="foo"),
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spec=dict(containers=[dict(name="busybox", image="busybox",
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resources=dict(requests=dict(cpu="100m", memory="100Mi"), limits=dict(cpu="100m", memory="100Mi")))])
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),
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actual=dict(
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kind="Pod",
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metadata=dict(name="foo"),
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spec=dict(containers=[dict(name="busybox", image="busybox",
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resources=dict(requests=dict(cpu="100m", memory="100Mi"), limits=dict(cpu="100m", memory="100Mi")))])
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),
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desired=dict(
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kind="Pod",
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metadata=dict(name="foo"),
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spec=dict(containers=[dict(name="busybox", image="busybox",
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resources=dict(requests=dict(cpu="50m", memory="50Mi"), limits=dict(memory="50Mi")))])
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),
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expected=dict(spec=dict(containers=[dict(name="busybox", image="busybox",
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resources=dict(requests=dict(cpu="50m", memory="50Mi"), limits=dict(cpu=None, memory="50Mi")))]))
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),
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dict(
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desired=dict(kind='Pod',
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spec=dict(containers=[
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dict(name='hello',
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volumeMounts=[dict(name="test", mountPath="/test")])
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],
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volumes=[
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dict(name="test", configMap=dict(name="test")),
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])),
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last_applied=dict(kind='Pod',
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spec=dict(containers=[
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dict(name='hello',
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volumeMounts=[dict(name="test", mountPath="/test")])
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],
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volumes=[
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dict(name="test", configMap=dict(name="test"))])),
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actual=dict(kind='Pod',
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spec=dict(containers=[
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dict(name='hello',
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volumeMounts=[
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dict(name="test", mountPath="/test"),
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dict(mountPath="/var/run/secrets/kubernetes.io/serviceaccount", name="default-token-xyz")])
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],
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volumes=[
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dict(name="test", configMap=dict(name="test")),
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dict(name="default-token-xyz", secret=dict(secretName="default-token-xyz")),
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])),
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expected=dict(spec=dict(containers=[dict(name='hello',
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volumeMounts=[dict(name="test", mountPath="/test"),
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dict(mountPath="/var/run/secrets/kubernetes.io/serviceaccount", name="default-token-xyz")])],
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volumes=[dict(name="test", configMap=dict(name="test")),
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dict(name="default-token-xyz", secret=dict(secretName="default-token-xyz"))])),
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),
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# This next one is based on a real world case where definition was mostly
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# str type and everything else was mostly unicode type (don't ask me how)
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dict(
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last_applied={
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u'kind': u'ConfigMap',
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u'data': {u'one': '1', 'three': '3', 'two': '2'},
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u'apiVersion': u'v1',
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u'metadata': {u'namespace': u'apply', u'name': u'apply-configmap'}
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},
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actual={
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u'kind': u'ConfigMap',
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u'data': {u'one': '1', 'three': '3', 'two': '2'},
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u'apiVersion': u'v1',
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u'metadata': {u'namespace': u'apply', u'name': u'apply-configmap',
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u'resourceVersion': '1714994',
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u'creationTimestamp': u'2019-08-17T05:08:05Z', u'annotations': {},
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u'selfLink': u'/api/v1/namespaces/apply/configmaps/apply-configmap',
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u'uid': u'fed45fb0-c0ac-11e9-9d95-025000000001'}
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},
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desired={
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'kind': u'ConfigMap',
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'data': {'one': '1', 'three': '3', 'two': '2'},
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'apiVersion': 'v1',
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'metadata': {'namespace': 'apply', 'name': 'apply-configmap'}
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},
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expected=dict()
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),
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# apply a Deployment, then scale the Deployment (which doesn't affect last-applied)
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# then apply the Deployment again. Should un-scale the Deployment
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dict(
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last_applied={
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'kind': u'Deployment',
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'spec': {
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'replicas': 1,
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'template': {
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'spec': {
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'containers': [
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{
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'name': 'this_must_exist',
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'envFrom': [
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{
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'configMapRef': {
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'name': 'config-xyz'
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}
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},
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{
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'secretRef': {
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'name': 'config-wxy'
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}
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}
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]
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}
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]
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}
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}
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},
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'metadata': {
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'namespace': 'apply',
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'name': u'apply-deployment'
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}
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},
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actual={
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'kind': u'Deployment',
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'spec': {
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'replicas': 0,
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'template': {
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'spec': {
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'containers': [
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{
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'name': 'this_must_exist',
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'envFrom': [
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{
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'configMapRef': {
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'name': 'config-xyz'
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}
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},
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{
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'secretRef': {
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'name': 'config-wxy'
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}
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}
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]
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}
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]
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}
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}
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},
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'metadata': {
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'namespace': 'apply',
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'name': u'apply-deployment'
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}
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},
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desired={
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'kind': u'Deployment',
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'spec': {
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'replicas': 1,
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'template': {
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'spec': {
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'containers': [
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{
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'name': 'this_must_exist',
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'envFrom': [
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{
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'configMapRef': {
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'name': 'config-abc'
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}
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}
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]
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}
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]
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}
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}
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},
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'metadata': {
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'namespace': 'apply',
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'name': u'apply-deployment'
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}
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},
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expected={
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'spec': {
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'replicas': 1,
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'template': {
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'spec': {
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'containers': [
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{
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'name': 'this_must_exist',
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'envFrom': [
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{
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'configMapRef': {
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'name': 'config-abc'
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}
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}
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]
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}
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]
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}
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}
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}
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}
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),
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dict(
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last_applied={
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'kind': 'MadeUp',
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'toplevel': {
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'original': 'entry'
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}
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},
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actual={
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'kind': 'MadeUp',
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'toplevel': {
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'original': 'entry',
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'another': {
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'nested': {
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'entry': 'value'
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}
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}
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}
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},
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desired={
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'kind': 'MadeUp',
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'toplevel': {
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'original': 'entry',
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'another': {
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'nested': {
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'entry': 'value'
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}
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}
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}
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},
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expected={}
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)
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]
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def test_merges():
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for test in tests:
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assert(merge(test['last_applied'], test['desired'], test.get('actual', test['last_applied'])) == test['expected'])
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def test_apply_patch():
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actual = dict(
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kind="ConfigMap",
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metadata=dict(name="foo",
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annotations={'kubectl.kubernetes.io/last-applied-configuration':
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'{"data":{"one":"1","two":"2"},"kind":"ConfigMap",'
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'"metadata":{"annotations":{"hello":"world","this":"one"},"name":"foo"}}',
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'this': 'one', 'hello': 'world'}),
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data=dict(one="1", two="2")
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)
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desired = dict(
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kind="ConfigMap",
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metadata=dict(name="foo"),
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data=dict(one="1", three="3")
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)
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expected = dict(
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metadata=dict(
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annotations={'kubectl.kubernetes.io/last-applied-configuration': '{"data":{"one":"1","three":"3"},"kind":"ConfigMap","metadata":{"name":"foo"}}',
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'this': None, 'hello': None}),
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data=dict(two=None, three="3")
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)
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assert(apply_patch(actual, desired) == (actual, expected))
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