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|
from openshift.dynamic.apply import merge, apply_patch
tests = [
dict(
last_applied = dict(
kind="ConfigMap",
metadata=dict(name="foo"),
data=dict(one="1", two="2")
),
desired = dict(
kind="ConfigMap",
metadata=dict(name="foo"),
data=dict(one="1", two="2")
),
expected = {}
),
dict(
last_applied = dict(
kind="ConfigMap",
metadata=dict(name="foo"),
data=dict(one="1", two="2")
),
desired = dict(
kind="ConfigMap",
metadata=dict(name="foo"),
data=dict(one="1", two="2", three="3")
),
expected = dict(data=dict(three="3"))
),
dict(
last_applied = dict(
kind="ConfigMap",
metadata=dict(name="foo"),
data=dict(one="1", two="2")
),
desired = dict(
kind="ConfigMap",
metadata=dict(name="foo"),
data=dict(one="1", three="3")
),
expected = dict(data=dict(two=None, three="3"))
),
dict(
last_applied = dict(
kind="ConfigMap",
metadata=dict(name="foo", annotations=dict(this="one", hello="world")),
data=dict(one="1", two="2")
),
desired = dict(
kind="ConfigMap",
metadata=dict(name="foo"),
data=dict(one="1", three="3")
),
expected = dict(metadata=dict(annotations=None), data=dict(two=None, three="3"))
),
dict(
last_applied = dict(
kind="Service",
metadata=dict(name="foo"),
spec=dict(ports=[dict(port=8080, name="http")])
),
actual = dict(
kind="Service",
metadata=dict(name="foo"),
spec=dict(ports=[dict(port=8080, protocol='TCP', name="http")])
),
desired = dict(
kind="Service",
metadata=dict(name="foo"),
spec=dict(ports=[dict(port=8080, name="http")])
),
expected = dict(spec=dict(ports=[dict(port=8080, protocol='TCP', name="http")]))
),
dict(
last_applied = dict(
kind="Service",
metadata=dict(name="foo"),
spec=dict(ports=[dict(port=8080, name="http")])
),
actual = dict(
kind="Service",
metadata=dict(name="foo"),
spec=dict(ports=[dict(port=8080, protocol='TCP', name="http")])
),
desired = dict(
kind="Service",
metadata=dict(name="foo"),
spec=dict(ports=[dict(port=8081, name="http")])
),
expected = dict(spec=dict(ports=[dict(port=8081, name="http")]))
),
dict(
last_applied = dict(
kind="Service",
metadata=dict(name="foo"),
spec=dict(ports=[dict(port=8080, name="http")])
),
actual = dict(
kind="Service",
metadata=dict(name="foo"),
spec=dict(ports=[dict(port=8080, protocol='TCP', name="http")])
),
desired = dict(
kind="Service",
metadata=dict(name="foo"),
spec=dict(ports=[dict(port=8443, name="https"), dict(port=8080, name="http")])
),
expected = dict(spec=dict(ports=[dict(port=8443, name="https"), dict(port=8080, name="http", protocol='TCP')]))
),
dict(
last_applied = dict(
kind="Service",
metadata=dict(name="foo"),
spec=dict(ports=[dict(port=8443, name="https"), dict(port=8080, name="http")])
),
actual = dict(
kind="Service",
metadata=dict(name="foo"),
spec=dict(ports=[dict(port=8443, protocol='TCP', name="https"), dict(port=8080, protocol='TCP', name='http')])
),
desired = dict(
kind="Service",
metadata=dict(name="foo"),
spec=dict(ports=[dict(port=8080, name="http")])
),
expected = dict(spec=dict(ports=[dict(port=8080, name="http", protocol='TCP')]))
),
dict(
last_applied = dict(
kind="Service",
metadata=dict(name="foo"),
spec=dict(ports=[dict(port=8443, name="https", madeup="xyz"), dict(port=8080, name="http")])
),
actual = dict(
kind="Service",
metadata=dict(name="foo"),
spec=dict(ports=[dict(port=8443, protocol='TCP', name="https", madeup="xyz"), dict(port=8080, protocol='TCP', name='http')])
),
desired = dict(
kind="Service",
metadata=dict(name="foo"),
spec=dict(ports=[dict(port=8443, name="https")])
),
expected = dict(spec=dict(ports=[dict(madeup=None, port=8443, name="https", protocol='TCP')]))
),
dict(
last_applied = dict(
kind="Pod",
metadata=dict(name="foo"),
spec=dict(containers=[dict(name="busybox", image="busybox",
resources=dict(requests=dict(cpu="100m", memory="100Mi"), limits=dict(cpu="100m", memory="100Mi")))])
),
actual = dict(
kind="Pod",
metadata=dict(name="foo"),
spec=dict(containers=[dict(name="busybox", image="busybox",
resources=dict(requests=dict(cpu="100m", memory="100Mi"), limits=dict(cpu="100m", memory="100Mi")))])
),
desired = dict(
kind="Pod",
metadata=dict(name="foo"),
spec=dict(containers=[dict(name="busybox", image="busybox",
resources=dict(requests=dict(cpu="50m", memory="50Mi"), limits=dict(memory="50Mi")))])
),
expected=dict(spec=dict(containers=[dict(name="busybox", image="busybox",
resources=dict(requests=dict(cpu="50m", memory="50Mi"), limits=dict(cpu=None, memory="50Mi")))]))
),
dict(
desired = dict(kind='Pod',
spec=dict(containers=[
dict(name='hello',
volumeMounts=[dict(name="test", mountPath="/test")])
],
volumes=[
dict(name="test", configMap=dict(name="test")),
])),
last_applied = dict(kind='Pod',
spec=dict(containers=[
dict(name='hello',
volumeMounts=[dict(name="test", mountPath="/test")])
],
volumes=[
dict(name="test", configMap=dict(name="test")),
])),
actual = dict(kind='Pod',
spec=dict(containers=[
dict(name='hello',
volumeMounts=[dict(name="test", mountPath="/test"),
dict(mountPath="/var/run/secrets/kubernetes.io/serviceaccount", name="default-token-xyz")])
],
volumes=[
dict(name="test", configMap=dict(name="test")),
dict(name="default-token-xyz", secret=dict(secretName="default-token-xyz")),
])),
expected = dict(spec=dict(containers=[
dict(name='hello',
volumeMounts=[dict(name="test", mountPath="/test"),
dict(mountPath="/var/run/secrets/kubernetes.io/serviceaccount", name="default-token-xyz")])
],
volumes=[
dict(name="test", configMap=dict(name="test")),
dict(name="default-token-xyz", secret=dict(secretName="default-token-xyz")),
])),
),
# This next one is based on a real world case where definition was mostly
# str type and everything else was mostly unicode type (don't ask me how)
dict(
last_applied = {
u'kind': u'ConfigMap',
u'data': {u'one': '1', 'three': '3', 'two': '2'},
u'apiVersion': u'v1',
u'metadata': {u'namespace': u'apply', u'name': u'apply-configmap'}
},
actual = {
u'kind': u'ConfigMap',
u'data': {u'one': '1', 'three': '3', 'two': '2'},
u'apiVersion': u'v1',
u'metadata': {u'namespace': u'apply', u'name': u'apply-configmap',
u'resourceVersion': '1714994',
u'creationTimestamp': u'2019-08-17T05:08:05Z', u'annotations': {},
u'selfLink': u'/api/v1/namespaces/apply/configmaps/apply-configmap',
u'uid': u'fed45fb0-c0ac-11e9-9d95-025000000001'}
},
desired = {
'kind': u'ConfigMap',
'data': {'one': '1', 'three': '3', 'two': '2'},
'apiVersion': 'v1',
'metadata': {'namespace': 'apply', 'name': 'apply-configmap'}
},
expected = dict()
),
# apply a Deployment, then scale the Deployment (which doesn't affect last-applied)
# then apply the Deployment again. Should un-scale the Deployment
dict(
last_applied = {
'kind': u'Deployment',
'spec': {
'replicas': 1,
'template': {
'spec': {
'containers': [
{
'name': 'this_must_exist',
'envFrom': [
{
'configMapRef': {
'name': 'config-xyz'
}
},
{
'secretRef': {
'name': 'config-wxy'
}
}
]
}
]
}
}
},
'metadata': {
'namespace': 'apply',
'name': u'apply-deployment'
}
},
actual = {
'kind': u'Deployment',
'spec': {
'replicas': 0,
'template': {
'spec': {
'containers': [
{
'name': 'this_must_exist',
'envFrom': [
{
'configMapRef': {
'name': 'config-xyz'
}
},
{
'secretRef': {
'name': 'config-wxy'
}
}
]
}
]
}
}
},
'metadata': {
'namespace': 'apply',
'name': u'apply-deployment'
}
},
desired = {
'kind': u'Deployment',
'spec': {
'replicas': 1,
'template': {
'spec': {
'containers': [
{
'name': 'this_must_exist',
'envFrom': [
{
'configMapRef': {
'name': 'config-abc'
}
}
]
}
]
}
}
},
'metadata': {
'namespace': 'apply',
'name': u'apply-deployment'
}
},
expected = {
'spec' : {
'replicas': 1,
'template': {
'spec': {
'containers': [
{
'name': 'this_must_exist',
'envFrom': [
{
'configMapRef': {
'name': 'config-abc'
}
}
]
}
]
}
}
}
}
),
dict(
last_applied = {
'kind': 'MadeUp',
'toplevel': {
'original': 'entry'
}
},
actual = {
'kind': 'MadeUp',
'toplevel': {
'original': 'entry',
'another': {
'nested': {
'entry': 'value'
}
}
}
},
desired = {
'kind': 'MadeUp',
'toplevel': {
'original': 'entry',
'another': {
'nested': {
'entry': 'value'
}
}
}
},
expected = {}
)
]
def test_merges():
for test in tests:
assert(merge(test['last_applied'], test['desired'], test.get('actual', test['last_applied'])) == test['expected'])
def test_apply_patch():
actual = dict(
kind="ConfigMap",
metadata=dict(name="foo",
annotations={'kubectl.kubernetes.io/last-applied-configuration':
'{"data":{"one":"1","two":"2"},"kind":"ConfigMap",'
'"metadata":{"annotations":{"hello":"world","this":"one"},"name":"foo"}}',
'this': 'one', 'hello': 'world'}),
data=dict(one="1", two="2")
)
desired = dict(
kind="ConfigMap",
metadata=dict(name="foo"),
data=dict(one="1", three="3")
)
expected = dict(
metadata=dict(
annotations={'kubectl.kubernetes.io/last-applied-configuration': '{"data":{"one":"1","three":"3"},"kind":"ConfigMap","metadata":{"name":"foo"}}',
'this': None, 'hello': None}),
data=dict(two=None, three="3"))
assert(apply_patch(actual, desired) == (actual, expected))
|
