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policyserver_controller_test.go
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//go:build testing
/*
copyright 2022.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package controller
import (
"context"
"encoding/json"
"errors"
"fmt"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
. "github.com/onsi/gomega/gstruct"
corev1 "k8s.io/api/core/v1"
k8spoliciesv1 "k8s.io/api/policy/v1"
"k8s.io/apimachinery/pkg/api/resource"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/intstr"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
policiesv1 "github.com/kubewarden/kubewarden-controller/api/policies/v1"
"github.com/kubewarden/kubewarden-controller/internal/constants"
)
var _ = Describe("PolicyServer controller", func() {
ctx := context.Background()
var policyServerName string
BeforeEach(func() {
policyServerName = newName("policy-server")
})
When("creating a PolicyServer", func() {
It("should use the policy server tolerations configuration in the policy server deployment", func() {
tolerationSeconds := int64(10)
policyServer := policiesv1.NewPolicyServerFactory().WithName(policyServerName).Build()
policyServer.Spec.Tolerations = []corev1.Toleration{{
Key: "key1",
Operator: corev1.TolerationOpEqual,
Value: "value1",
Effect: corev1.TaintEffectNoSchedule,
TolerationSeconds: nil,
}, {
Key: "key2",
Operator: corev1.TolerationOpEqual,
Value: "value2",
Effect: corev1.TaintEffectNoExecute,
TolerationSeconds: &tolerationSeconds,
}}
createPolicyServerAndWaitForItsService(ctx, policyServer)
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)
Expect(err).ToNot(HaveOccurred())
Expect(deployment.Spec.Template.Spec.Tolerations).To(MatchAllElements(func(element interface{}) string {
toleration, _ := element.(corev1.Toleration)
return toleration.Key
}, Elements{
"key1": MatchAllFields(Fields{
"Key": Equal("key1"),
"Operator": Equal(corev1.TolerationOpEqual),
"Value": Equal("value1"),
"Effect": Equal(corev1.TaintEffectNoSchedule),
"TolerationSeconds": BeNil(),
}),
"key2": MatchAllFields(Fields{
"Key": Equal("key2"),
"Operator": Equal(corev1.TolerationOpEqual),
"Value": Equal("value2"),
"Effect": Equal(corev1.TaintEffectNoExecute),
"TolerationSeconds": PointTo(Equal(tolerationSeconds)),
}),
}))
})
It("should use the policy server affinity configuration in the policy server deployment", func() {
policyServer := policiesv1.NewPolicyServerFactory().WithName(policyServerName).Build()
policyServer.Spec.Affinity = corev1.Affinity{
NodeAffinity: &corev1.NodeAffinity{
RequiredDuringSchedulingIgnoredDuringExecution: &corev1.NodeSelector{
NodeSelectorTerms: []corev1.NodeSelectorTerm{
{
MatchExpressions: []corev1.NodeSelectorRequirement{
{
Key: "label",
Operator: corev1.NodeSelectorOpIn,
Values: []string{"nodename"},
},
},
},
},
},
},
}
createPolicyServerAndWaitForItsService(ctx, policyServer)
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)
Expect(err).ToNot(HaveOccurred())
Expect(deployment.Spec.Template.Spec.Affinity).To(PointTo(MatchFields(IgnoreExtras, Fields{
"NodeAffinity": PointTo(MatchFields(IgnoreExtras, Fields{
"RequiredDuringSchedulingIgnoredDuringExecution": PointTo(MatchFields(IgnoreExtras, Fields{
"NodeSelectorTerms": ContainElement(MatchFields(IgnoreExtras, Fields{
"MatchExpressions": ContainElement(MatchAllFields(Fields{
"Key": Equal("label"),
"Operator": Equal(corev1.NodeSelectorOpIn),
"Values": Equal([]string{"nodename"}),
})),
})),
})),
})),
})))
})
It("should create policy server deployment with some default configuration", func() {
policyServer := policiesv1.NewPolicyServerFactory().WithName(policyServerName).Build()
createPolicyServerAndWaitForItsService(ctx, policyServer)
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)
Expect(err).ToNot(HaveOccurred())
By("checking the deployment container security context")
Expect(deployment.Spec.Template.Spec.Containers).Should(ContainElement(MatchFields(IgnoreExtras, Fields{
"SecurityContext": PointTo(MatchFields(IgnoreExtras, Fields{
"RunAsNonRoot": PointTo(BeTrue()),
"AllowPrivilegeEscalation": PointTo(BeFalse()),
"Privileged": PointTo(BeFalse()),
"ReadOnlyRootFilesystem": PointTo(BeTrue()),
"Capabilities": PointTo(MatchAllFields(Fields{
"Add": BeNil(),
"Drop": Equal([]corev1.Capability{"all"}),
})),
"SELinuxOptions": BeNil(),
"WindowsOptions": BeNil(),
"RunAsUser": BeNil(),
"RunAsGroup": BeNil(),
"ProcMount": BeNil(),
"SeccompProfile": BeNil(),
})),
})))
By("checking the deployment spec")
Expect(deployment.Spec.Template.Spec).To(MatchFields(IgnoreExtras, Fields{
"Tolerations": BeEmpty(),
"SecurityContext": PointTo(MatchFields(IgnoreExtras, Fields{
"SELinuxOptions": BeNil(),
"WindowsOptions": BeNil(),
"RunAsUser": BeNil(),
"RunAsGroup": BeNil(),
"RunAsNonRoot": BeNil(),
"SupplementalGroups": BeNil(),
"FSGroup": BeNil(),
"Sysctls": BeNil(),
"FSGroupChangePolicy": BeNil(),
"SeccompProfile": BeNil(),
})),
"Affinity": PointTo(MatchAllFields(Fields{
"NodeAffinity": BeNil(),
"PodAffinity": BeNil(),
"PodAntiAffinity": BeNil(),
})),
}))
})
It("should create the policy server deployment and use the user defined security contexts", func() {
policyServer := policiesv1.NewPolicyServerFactory().WithName(policyServerName).Build()
runAsUser := int64(1000)
privileged := true
runAsNonRoot := false
policyServer.Spec.SecurityContexts = policiesv1.PolicyServerSecurity{
Container: &corev1.SecurityContext{
RunAsUser: &runAsUser,
Privileged: &privileged,
RunAsNonRoot: &runAsNonRoot,
},
Pod: &corev1.PodSecurityContext{
RunAsUser: &runAsUser,
RunAsNonRoot: &runAsNonRoot,
},
}
createPolicyServerAndWaitForItsService(ctx, policyServer)
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)
Expect(err).ToNot(HaveOccurred())
Expect(deployment.Spec.Template.Spec.Containers).Should(ContainElement(MatchFields(IgnoreExtras, Fields{
"SecurityContext": PointTo(MatchFields(IgnoreExtras, Fields{
"RunAsNonRoot": PointTo(BeFalse()),
"AllowPrivilegeEscalation": BeNil(),
"Privileged": PointTo(BeTrue()),
"ReadOnlyRootFilesystem": BeNil(),
"Capabilities": BeNil(),
"SELinuxOptions": BeNil(),
"WindowsOptions": BeNil(),
"RunAsUser": PointTo(BeNumerically("==", 1000)),
"RunAsGroup": BeNil(),
"ProcMount": BeNil(),
"SeccompProfile": BeNil(),
})),
})))
Expect(deployment.Spec.Template.Spec.SecurityContext).To(PointTo(MatchFields(IgnoreExtras, Fields{
"SELinuxOptions": BeNil(),
"WindowsOptions": BeNil(),
"RunAsUser": PointTo(BeNumerically("==", 1000)),
"RunAsGroup": BeNil(),
"RunAsNonRoot": PointTo(BeFalse()),
"SupplementalGroups": BeNil(),
"FSGroup": BeNil(),
"Sysctls": BeNil(),
"FSGroupChangePolicy": BeNil(),
"SeccompProfile": BeNil(),
})))
})
It("should create the policy server configmap empty if no policies are assigned ", func() {
policyServer := policiesv1.NewPolicyServerFactory().WithName(policyServerName).Build()
createPolicyServerAndWaitForItsService(ctx, policyServer)
configmap, err := getTestPolicyServerConfigMap(ctx, policyServerName)
Expect(err).ToNot(HaveOccurred())
Expect(configmap).To(PointTo(MatchFields(IgnoreExtras, Fields{
"Data": MatchAllKeys(Keys{
constants.PolicyServerConfigPoliciesEntry: Equal("{}"),
constants.PolicyServerConfigSourcesEntry: Equal("{}"),
}),
})))
})
It("should create the policy server configmap with the assigned policies", func() {
policyServer := policiesv1.NewPolicyServerFactory().WithName(policyServerName).Build()
createPolicyServerAndWaitForItsService(ctx, policyServer)
admissionPolicy := policiesv1.NewAdmissionPolicyFactory().
WithPolicyServer(policyServerName).
Build()
Expect(k8sClient.Create(ctx, admissionPolicy)).To(Succeed())
clusterAdmissionPolicy := policiesv1.NewClusterAdmissionPolicyFactory().
WithPolicyServer(policyServerName).
WithContextAwareResources([]policiesv1.ContextAwareResource{
{
APIVersion: "v1",
Kind: "Pod",
},
{
APIVersion: "v1",
Kind: "Deployment",
},
}).
Build()
Expect(k8sClient.Create(ctx, clusterAdmissionPolicy)).To(Succeed())
admissionPolicyGroup := policiesv1.NewAdmissionPolicyGroupFactory().
WithPolicyServer(policyServerName).
Build()
Expect(k8sClient.Create(ctx, admissionPolicyGroup)).To(Succeed())
clusterPolicyGroup := policiesv1.NewClusterAdmissionPolicyGroupFactory().
WithPolicyServer(policyServerName).
WithMembers(policiesv1.PolicyGroupMembers{
"pod_privileged": {
Module: "registry://ghcr.io/kubewarden/tests/pod-privileged:v0.2.5",
ContextAwareResources: []policiesv1.ContextAwareResource{
{
APIVersion: "v1",
Kind: "Pod",
},
},
},
"user_group_psp": {
Module: "registry://ghcr.io/kubewarden/tests/user-group-psp:v0.4.9",
ContextAwareResources: []policiesv1.ContextAwareResource{
{
APIVersion: "v1",
Kind: "Deployment",
},
},
},
}).
Build()
Expect(k8sClient.Create(ctx, clusterPolicyGroup)).To(Succeed())
policiesMap := policyConfigEntryMap{}
policiesMap[admissionPolicy.GetUniqueName()] = policyServerConfigEntry{
NamespacedName: types.NamespacedName{
Namespace: admissionPolicy.GetNamespace(),
Name: admissionPolicy.GetName(),
},
Module: admissionPolicy.GetModule(),
PolicyMode: string(admissionPolicy.GetPolicyMode()),
AllowedToMutate: admissionPolicy.IsMutating(),
Settings: admissionPolicy.GetSettings(),
ContextAwareResources: admissionPolicy.GetContextAwareResources(),
}
policiesMap[clusterAdmissionPolicy.GetUniqueName()] = policyServerConfigEntry{
NamespacedName: types.NamespacedName{
Namespace: clusterAdmissionPolicy.GetNamespace(),
Name: clusterAdmissionPolicy.GetName(),
},
Module: clusterAdmissionPolicy.GetModule(),
PolicyMode: string(clusterAdmissionPolicy.GetPolicyMode()),
AllowedToMutate: clusterAdmissionPolicy.IsMutating(),
Settings: clusterAdmissionPolicy.GetSettings(),
ContextAwareResources: clusterAdmissionPolicy.GetContextAwareResources(),
}
policiesMap[admissionPolicyGroup.GetUniqueName()] = policyServerConfigEntry{
NamespacedName: types.NamespacedName{
Namespace: admissionPolicyGroup.GetNamespace(),
Name: admissionPolicyGroup.GetName(),
},
Module: admissionPolicyGroup.GetModule(),
PolicyMode: string(admissionPolicyGroup.GetPolicyMode()),
AllowedToMutate: admissionPolicyGroup.IsMutating(),
Settings: admissionPolicyGroup.GetSettings(),
ContextAwareResources: admissionPolicyGroup.GetContextAwareResources(),
Policies: buildPolicyGroupMembers(admissionPolicyGroup.GetPolicyGroupMembers()),
Expression: admissionPolicyGroup.GetExpression(),
Message: admissionPolicyGroup.GetMessage(),
}
policiesMap[clusterPolicyGroup.GetUniqueName()] = policyServerConfigEntry{
NamespacedName: types.NamespacedName{
Namespace: clusterPolicyGroup.GetNamespace(),
Name: clusterPolicyGroup.GetName(),
},
Module: clusterPolicyGroup.GetModule(),
AllowedToMutate: clusterPolicyGroup.IsMutating(),
Settings: clusterPolicyGroup.GetSettings(),
ContextAwareResources: clusterPolicyGroup.GetContextAwareResources(),
PolicyMode: string(clusterPolicyGroup.GetPolicyMode()),
Policies: buildPolicyGroupMembers(clusterPolicyGroup.GetPolicyGroupMembers()),
Expression: clusterPolicyGroup.GetExpression(),
Message: clusterPolicyGroup.GetMessage(),
}
policies, err := json.Marshal(policiesMap)
Expect(err).ToNot(HaveOccurred())
// As we have a customization in how we serialize the policies,
// let's check if the result json is in the expected format.
// Otherwise, the policy server will not start.
Eventually(func() *corev1.ConfigMap {
configMap, _ := getTestPolicyServerConfigMap(ctx, policyServerName)
return configMap
}, timeout, pollInterval).Should(PointTo(MatchFields(IgnoreExtras, Fields{
"Data": MatchAllKeys(Keys{
constants.PolicyServerConfigPoliciesEntry: And(
MatchJSON(policies),
// Let's validate the custom marshalling
WithTransform(func(data string) (map[string]interface{}, error) {
policiesData := map[string]interface{}{}
err = json.Unmarshal(policies, &policiesData)
return policiesData, err
}, MatchKeys(IgnoreExtras, Keys{
admissionPolicy.GetUniqueName(): MatchKeys(IgnoreExtras, Keys{
"namespacedName": MatchAllKeys(Keys{
"Namespace": Equal(admissionPolicy.GetNamespace()),
"Name": Equal(admissionPolicy.GetName()),
}),
"module": Equal(admissionPolicy.GetModule()),
"policyMode": Equal(string(admissionPolicy.GetPolicyMode())),
}),
clusterAdmissionPolicy.GetUniqueName(): And(MatchAllKeys(Keys{
"namespacedName": MatchAllKeys(Keys{
"Namespace": Equal(clusterAdmissionPolicy.GetNamespace()),
"Name": Equal(clusterAdmissionPolicy.GetName()),
}),
"module": Equal(clusterAdmissionPolicy.GetModule()),
"policyMode": Equal(string(clusterAdmissionPolicy.GetPolicyMode())),
"allowedToMutate": Equal(clusterAdmissionPolicy.IsMutating()),
"settings": BeNil(),
"contextAwareResources": And(ContainElement(MatchAllKeys(Keys{
"apiVersion": Equal("v1"),
"kind": Equal("Pod"),
})), ContainElement(MatchAllKeys(Keys{
"apiVersion": Equal("v1"),
"kind": Equal("Deployment"),
})), HaveLen(2)),
}), Not(MatchAllKeys(Keys{
"expression": Ignore(),
"message": Ignore(),
"policies": Ignore(),
}))),
admissionPolicyGroup.GetUniqueName(): MatchKeys(IgnoreExtras, Keys{
"namespacedName": MatchAllKeys(Keys{
"Namespace": Equal(admissionPolicyGroup.GetNamespace()),
"Name": Equal(admissionPolicyGroup.GetName()),
}),
"policies": MatchKeys(IgnoreExtras, Keys{
"pod_privileged": MatchKeys(IgnoreExtras, Keys{
"module": Equal(admissionPolicyGroup.GetPolicyGroupMembers()["pod_privileged"].Module),
}),
}),
"policyMode": Equal(string(admissionPolicyGroup.GetPolicyMode())),
"expression": Equal(admissionPolicyGroup.GetExpression()),
"message": Equal(admissionPolicyGroup.GetMessage()),
}),
clusterPolicyGroup.GetUniqueName(): And(MatchAllKeys(Keys{
"namespacedName": MatchAllKeys(Keys{
"Namespace": Equal(clusterPolicyGroup.GetNamespace()),
"Name": Equal(clusterPolicyGroup.GetName()),
}),
"policies": MatchKeys(IgnoreExtras, Keys{
"pod_privileged": MatchAllKeys(Keys{
"module": Equal(clusterPolicyGroup.GetPolicyGroupMembers()["pod_privileged"].Module),
"settings": Ignore(),
"contextAwareResources": And(ContainElement(MatchAllKeys(Keys{
"apiVersion": Equal("v1"),
"kind": Equal("Pod"),
})), HaveLen(1)),
}),
"user_group_psp": MatchAllKeys(Keys{
"module": Equal(clusterPolicyGroup.GetPolicyGroupMembers()["user_group_psp"].Module),
"settings": Ignore(),
"contextAwareResources": And(ContainElement(MatchAllKeys(Keys{
"apiVersion": Equal("v1"),
"kind": Equal("Deployment"),
})), HaveLen(1)),
}),
}),
"policyMode": Equal(string(clusterPolicyGroup.GetPolicyMode())),
"expression": Equal(clusterPolicyGroup.GetExpression()),
"message": Equal(clusterPolicyGroup.GetMessage()),
}),
Not(MatchKeys(IgnoreExtras, Keys{
"settings": Ignore(),
"allowedToMutate": Ignore(),
"contextAwareResources": Ignore(),
}))),
}),
)),
constants.PolicyServerConfigSourcesEntry: Equal("{}"),
}),
})))
})
It("should create the policy server configmap with the sources authorities", func() {
policyServer := policiesv1.NewPolicyServerFactory().WithName(policyServerName).Build()
policyServer.Spec.InsecureSources = []string{"localhost:5000"}
policyServer.Spec.SourceAuthorities = map[string][]string{
"myprivateregistry:5000": {"cert1", "cert2"},
}
createPolicyServerAndWaitForItsService(ctx, policyServer)
sourceAuthoriries := map[string][]map[string]string{}
for uri, certificates := range policyServer.Spec.SourceAuthorities {
certs := []map[string]string{}
for _, cert := range certificates {
certs = append(certs, map[string]string{
"type": "Data",
"data": cert,
})
}
sourceAuthoriries[uri] = certs
}
sources, err := json.Marshal(map[string]interface{}{
"insecure_sources": policyServer.Spec.InsecureSources,
"source_authorities": sourceAuthoriries,
})
Expect(err).ToNot(HaveOccurred())
Eventually(func() error {
_, err := getTestPolicyServerConfigMap(ctx, policyServerName)
return err
}, timeout, pollInterval).Should(Succeed())
configMap, err := getTestPolicyServerConfigMap(ctx, policyServerName)
Expect(err).ToNot(HaveOccurred())
Expect(configMap).To(PointTo(MatchFields(IgnoreExtras, Fields{
"Data": MatchAllKeys(Keys{
constants.PolicyServerConfigPoliciesEntry: Equal("{}"),
constants.PolicyServerConfigSourcesEntry: MatchJSON(sources),
}),
})))
})
It("should create PodDisruptionBudget when policy server has MinAvailable configuration set", func() {
policyServer := policiesv1.NewPolicyServerFactory().WithName(policyServerName).Build()
minAvailable := intstr.FromInt(2)
policyServer.Spec.MinAvailable = &minAvailable
createPolicyServerAndWaitForItsService(ctx, policyServer)
Eventually(func() *k8spoliciesv1.PodDisruptionBudget {
pdb, _ := getPolicyServerPodDisruptionBudget(ctx, policyServerName)
return pdb
}, timeout, pollInterval).Should(policyServerPodDisruptionBudgetMatcher(policyServer, &minAvailable, nil))
})
It("should create PodDisruptionBudget when policy server has MaxUnavailable configuration set", func() {
policyServer := policiesv1.NewPolicyServerFactory().WithName(policyServerName).Build()
maxUnavailable := intstr.FromInt(2)
policyServer.Spec.MaxUnavailable = &maxUnavailable
createPolicyServerAndWaitForItsService(ctx, policyServer)
Eventually(func() *k8spoliciesv1.PodDisruptionBudget {
pdb, _ := getPolicyServerPodDisruptionBudget(ctx, policyServerName)
return pdb
}, timeout, pollInterval).Should(policyServerPodDisruptionBudgetMatcher(policyServer, nil, &maxUnavailable))
})
It("should not create PodDisruptionBudget when policy server has no PDB configuration", func() {
policyServer := policiesv1.NewPolicyServerFactory().WithName(policyServerName).Build()
createPolicyServerAndWaitForItsService(ctx, policyServer)
Consistently(func() error {
_, err := getPolicyServerPodDisruptionBudget(ctx, policyServerName)
return err
}, consistencyTimeout, pollInterval).ShouldNot(Succeed())
})
It("should create the PolicyServer deployment with the limits and the requests", func() {
policyServer := policiesv1.NewPolicyServerFactory().WithName(policyServerName).Build()
policyServer.Spec.Limits = corev1.ResourceList{
"cpu": resource.MustParse("100m"),
"memory": resource.MustParse("1Gi"),
}
createPolicyServerAndWaitForItsService(ctx, policyServer)
By("creating a deployment with limits and requests set")
Eventually(func() error {
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)
if err != nil {
return err
}
Expect(deployment.Spec.Template.Spec.Containers[0].Resources.Limits).To(Equal(policyServer.Spec.Limits))
return nil
}, timeout, pollInterval).Should(Succeed())
})
It("should create deployment with owner reference", func() {
policyServer := policiesv1.NewPolicyServerFactory().WithName(policyServerName).Build()
createPolicyServerAndWaitForItsService(ctx, policyServer)
Eventually(func() error {
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)
if err != nil {
return err
}
policyServer, err := getTestPolicyServer(ctx, policyServerName)
if err != nil {
return err
}
Expect(deployment.OwnerReferences).To(ContainElement(
MatchFields(IgnoreExtras, Fields{
"UID": Equal(policyServer.GetUID()),
"Name": Equal(policyServer.GetName()),
//nolint:godox //We have some tests requiring some investigation to fix some FIXME comments
// FIXME: for some reason GroupVersionKind is not set
// "Kind": Equal(policyServer.GetObjectKind().GroupVersionKind().Kind),
// "APIVersion": Equal(policyServer.GetObjectKind().GroupVersionKind().GroupVersion().String()),
}),
))
return nil
}).Should(Succeed())
})
It("should create configmap with owner reference", func() {
policyServer := policiesv1.NewPolicyServerFactory().WithName(policyServerName).Build()
createPolicyServerAndWaitForItsService(ctx, policyServer)
Eventually(func() error {
configmap, err := getTestPolicyServerConfigMap(ctx, policyServerName)
if err != nil {
return err
}
policyServer, err := getTestPolicyServer(ctx, policyServerName)
if err != nil {
return err
}
Expect(configmap.OwnerReferences).To(ContainElement(
MatchFields(IgnoreExtras, Fields{
"UID": Equal(policyServer.GetUID()),
"Name": Equal(policyServer.GetName()),
// FIXME: for some reason GroupVersionKind is not set
// "Kind": Equal(policyServer.GetObjectKind().GroupVersionKind().Kind),
// "APIVersion": Equal(policyServer.GetObjectKind().GroupVersionKind().GroupVersion().String()),
}),
))
return nil
}).Should(Succeed())
})
It("should create service with owner reference", func() {
policyServer := policiesv1.NewPolicyServerFactory().WithName(policyServerName).Build()
createPolicyServerAndWaitForItsService(ctx, policyServer)
Eventually(func() error {
service, err := getTestPolicyServerService(ctx, policyServerName)
if err != nil {
return err
}
policyServer, err := getTestPolicyServer(ctx, policyServerName)
if err != nil {
return err
}
Expect(service.OwnerReferences).To(ContainElement(
MatchFields(IgnoreExtras, Fields{
"UID": Equal(policyServer.GetUID()),
"Name": Equal(policyServer.GetName()),
// FIXME: for some reason GroupVersionKind is not set
// "Kind": Equal(policyServer.GetObjectKind().GroupVersionKind().Kind),
// "APIVersion": Equal(policyServer.GetObjectKind().GroupVersionKind().GroupVersion().String()),
}),
))
return nil
}).Should(Succeed())
})
It("should create the policy server secrets", func() {
policyServer := policiesv1.NewPolicyServerFactory().WithName(policyServerName).Build()
createPolicyServerAndWaitForItsService(ctx, policyServer)
Eventually(func() error {
secret, err := getTestPolicyServerSecret(ctx, policyServerName)
if err != nil {
return err
}
policyServer, err := getTestPolicyServer(ctx, policyServerName)
if err != nil {
return err
}
By("creating a secret containing the TLS certificate and key")
Expect(secret.Data).To(HaveKey(constants.ServerCert))
Expect(secret.Data).To(HaveKey(constants.ServerPrivateKey))
By("setting the secret owner reference")
Expect(secret.OwnerReferences).To(ContainElement(
MatchFields(IgnoreExtras, Fields{
"UID": Equal(policyServer.GetUID()),
"Name": Equal(policyServer.GetName()),
// FIXME: for some reason GroupVersionKind is not set
// "Kind": Equal(policyServer.GetObjectKind().GroupVersionKind().Kind),
// "APIVersion": Equal(policyServer.GetObjectKind().GroupVersionKind().GroupVersion().String()),
}),
))
return nil
}).Should(Succeed())
})
It("should set the configMap version as a deployment annotation", func() {
policyServer := policiesv1.NewPolicyServerFactory().WithName(policyServerName).Build()
createPolicyServerAndWaitForItsService(ctx, policyServer)
configmap, err := getTestPolicyServerConfigMap(ctx, policyServerName)
Expect(err).ToNot(HaveOccurred())
Eventually(func() error {
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)
if err != nil {
return err
}
if deployment.GetAnnotations()[constants.PolicyServerDeploymentConfigVersionAnnotation] != configmap.GetResourceVersion() {
return errors.New("deployment configmap version did not change")
}
if deployment.Spec.Template.GetLabels()[constants.PolicyServerDeploymentConfigVersionAnnotation] != configmap.GetResourceVersion() {
return errors.New("pod configmap version did not change")
}
return nil
}, timeout, pollInterval).Should(Succeed())
})
It("should update the configMap version after adding a policy", func() {
policyServer := policiesv1.NewPolicyServerFactory().WithName(policyServerName).Build()
createPolicyServerAndWaitForItsService(ctx, policyServer)
initalConfigMap, err := getTestPolicyServerConfigMap(ctx, policyServerName)
Expect(err).ToNot(HaveOccurred())
Eventually(func() error {
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)
if err != nil {
return err
}
if deployment.GetAnnotations()[constants.PolicyServerDeploymentConfigVersionAnnotation] != initalConfigMap.GetResourceVersion() {
return errors.New("deployment configmap version did not change")
}
if deployment.Spec.Template.GetLabels()[constants.PolicyServerDeploymentConfigVersionAnnotation] != initalConfigMap.GetResourceVersion() {
return errors.New("pod configmap version did not change")
}
return nil
}, timeout, pollInterval).Should(Succeed())
policyName := newName("validating-policy")
policy := policiesv1.NewClusterAdmissionPolicyFactory().
WithName(policyName).
WithPolicyServer(policyServerName).
Build()
Expect(k8sClient.Create(ctx, policy)).To(Succeed())
Eventually(func() error {
configmap, err := getTestPolicyServerConfigMap(ctx, policyServerName)
if err != nil {
return err
}
if configmap.GetResourceVersion() == initalConfigMap.GetResourceVersion() {
return errors.New("configmap version did not change")
}
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)
if err != nil {
return err
}
if deployment.GetAnnotations()[constants.PolicyServerDeploymentConfigVersionAnnotation] != configmap.GetResourceVersion() {
return errors.New("deployment configmap version did not change")
}
if deployment.Spec.Template.GetLabels()[constants.PolicyServerDeploymentConfigVersionAnnotation] != configmap.GetResourceVersion() {
return errors.New("pod configmap version did not change")
}
return nil
}, timeout, pollInterval).Should(Succeed())
})
})
When("updating the PolicyServer", func() {
var policyServer *policiesv1.PolicyServer
BeforeEach(func() {
policyServer = policiesv1.NewPolicyServerFactory().WithName(policyServerName).Build()
createPolicyServerAndWaitForItsService(ctx, policyServer)
})
It("should create a PDB if the policy server definition is updated with a PodDisruptionBudget configuration", func() {
Consistently(func() error {
_, err := getPolicyServerPodDisruptionBudget(ctx, policyServerName)
return err
}, consistencyTimeout, pollInterval).ShouldNot(Succeed())
By("updating the PolicyServer with a MaxAvailable PDB configuration")
policyServer, err := getTestPolicyServer(ctx, policyServerName)
Expect(err).ToNot(HaveOccurred())
maxUnavailable := intstr.FromInt(2)
policyServer.Spec.MaxUnavailable = &maxUnavailable
err = k8sClient.Update(ctx, policyServer)
Expect(err).ToNot(HaveOccurred())
By("creating a PodDisruptionBudget with a MaxUnavailable configuration")
Eventually(func() *k8spoliciesv1.PodDisruptionBudget {
pdb, _ := getPolicyServerPodDisruptionBudget(ctx, policyServerName)
return pdb
}, timeout, pollInterval).Should(policyServerPodDisruptionBudgetMatcher(policyServer, nil, &maxUnavailable))
})
It("should update deployment when policy server image change", func() {
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)
Expect(err).ToNot(HaveOccurred())
oldImage := deployment.Spec.Template.Spec.Containers[0].Image
Eventually(func() error {
policyServer, err := getTestPolicyServer(ctx, policyServerName)
if err != nil {
return err
}
policyServer.Spec.Image = "new-image"
return k8sClient.Update(ctx, policyServer)
}).Should(Succeed())
Eventually(func() string {
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)
if err != nil {
return ""
}
return deployment.Spec.Template.Spec.Containers[0].Image
}).Should(And(Not(Equal(oldImage)), Equal("new-image")))
})
It("should update deployment when policy server replica size change", func() {
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)
Expect(err).ToNot(HaveOccurred())
oldReplica := deployment.Spec.Replicas
Eventually(func() error {
policyServer, err := getTestPolicyServer(ctx, policyServerName)
if err != nil {
return err
}
policyServer.Spec.Replicas = 2
return k8sClient.Update(ctx, policyServer)
}).Should(Succeed())
Eventually(func() int32 {
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)
if err != nil {
return 0
}
return *deployment.Spec.Replicas
}).Should(And(Not(Equal(oldReplica)), Equal(int32(2))))
})
It("should update deployment when policy server service account change", func() {
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)
Expect(err).ToNot(HaveOccurred())
oldServiceAccount := deployment.Spec.Template.Spec.ServiceAccountName
Eventually(func() error {
policyServer, err := getTestPolicyServer(ctx, policyServerName)
if err != nil {
return err
}
policyServer.Spec.ServiceAccountName = "new-service-account"
return k8sClient.Update(ctx, policyServer)
}).Should(Succeed())
Eventually(func() string {
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)
if err != nil {
return ""
}
return deployment.Spec.Template.Spec.ServiceAccountName
}).Should(And(Not(Equal(oldServiceAccount)), Equal("new-service-account")))
})
It("should update deployment when policy server security context change", func() {
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)
Expect(err).ToNot(HaveOccurred())
oldSecurityContext := deployment.Spec.Template.Spec.SecurityContext
newUser := int64(1000)
Eventually(func() error {
policyServer, err := getTestPolicyServer(ctx, policyServerName)
if err != nil {
return err
}
policyServer.Spec.SecurityContexts.Pod = &corev1.PodSecurityContext{
RunAsUser: &newUser,
}
return k8sClient.Update(ctx, policyServer)
}).Should(Succeed())
Eventually(func() *corev1.PodSecurityContext {
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)
if err != nil {
return nil
}
return deployment.Spec.Template.Spec.SecurityContext
}).Should(And(PointTo(MatchFields(IgnoreExtras, Fields{
"RunAsUser": PointTo(BeNumerically("==", newUser)),
})), Not(PointTo(Equal(oldSecurityContext)))))
})
It("should update deployment when policy server affinity configuration change", func() {
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)
Expect(err).ToNot(HaveOccurred())
oldAffinity := deployment.Spec.Template.Spec.Affinity
newAffinity := corev1.Affinity{
NodeAffinity: &corev1.NodeAffinity{
RequiredDuringSchedulingIgnoredDuringExecution: &corev1.NodeSelector{
NodeSelectorTerms: []corev1.NodeSelectorTerm{
{
MatchExpressions: []corev1.NodeSelectorRequirement{
{
Key: "label",
Operator: corev1.NodeSelectorOpIn,
Values: []string{"nodename"},
},
},
},
},
},
},
}
Eventually(func() error {
policyServer, err := getTestPolicyServer(ctx, policyServerName)
if err != nil {
return err
}
policyServer.Spec.Affinity = newAffinity
return k8sClient.Update(ctx, policyServer)
}).Should(Succeed())
Eventually(func() *corev1.Affinity {
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)
if err != nil {
return nil
}
return deployment.Spec.Template.Spec.Affinity
}).Should(And(Not(PointTo(Equal(oldAffinity))), PointTo(Equal(newAffinity))))
})
It("should update deployment when policy server annotations change", func() {
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)
Expect(err).ToNot(HaveOccurred())
oldAnnotations := deployment.Spec.Template.Annotations
newAnnotations := map[string]string{
"new-annotation": "new-value",
}
Eventually(func() error {
policyServer, err := getTestPolicyServer(ctx, policyServerName)
if err != nil {
return err
}
policyServer.Spec.Annotations = newAnnotations
return k8sClient.Update(ctx, policyServer)
}).Should(Succeed())
Eventually(func() map[string]string {
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)
if err != nil {
return nil
}
return deployment.Spec.Template.Annotations
}).Should(And(Not(Equal(oldAnnotations)), Equal(newAnnotations)))
})
It("should update deployment when policy server resources limits change", func() {
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)
Expect(err).ToNot(HaveOccurred())
oldContainers := deployment.Spec.Template.Spec.Containers
newResourceLimits := corev1.ResourceList{
"cpu": resource.MustParse("100m"),
"memory": resource.MustParse("1Gi"),
}
Eventually(func() error {
policyServer, err := getTestPolicyServer(ctx, policyServerName)
if err != nil {
return err
}
policyServer.Spec.Limits = newResourceLimits
return k8sClient.Update(ctx, policyServer)
}).Should(Succeed())
Eventually(func() []corev1.Container {
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)
if err != nil {
return nil
}
return deployment.Spec.Template.Spec.Containers
}).Should(And(ContainElement(MatchFields(IgnoreExtras, Fields{
"Resources": MatchFields(IgnoreExtras, Fields{
"Limits": Equal(newResourceLimits),
}),
})), Not(Equal(oldContainers))))
})
It("should update deployment when policy server environment variables change", func() {
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)
Expect(err).ToNot(HaveOccurred())
oldContainers := deployment.Spec.Template.Spec.Containers
newEnvironmentVariable := corev1.EnvVar{
Name: "NEW_ENV",
Value: "new-value",
}
Eventually(func() error {
policyServer, err := getTestPolicyServer(ctx, policyServerName)
if err != nil {
return err
}
policyServer.Spec.Env = []corev1.EnvVar{newEnvironmentVariable}
return k8sClient.Update(ctx, policyServer)
}).Should(Succeed())
Eventually(func() []corev1.Container {
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)
if err != nil {
return nil
}
return deployment.Spec.Template.Spec.Containers
}).Should(And(ContainElement(MatchFields(IgnoreExtras, Fields{
"Env": ContainElement(Equal(newEnvironmentVariable)),
})), Not(Equal(oldContainers))))
})
It("should update the PolicyServer pod with the new requests when the requests are updated", func() {
By("updating the PolicyServer requests")
updatedRequestsResources := corev1.ResourceList{
"cpu": resource.MustParse("50m"),
"memory": resource.MustParse("500Mi"),
}
Eventually(func() error {
policyServer, err := getTestPolicyServer(ctx, policyServerName)
if err != nil {
return err
}
policyServer.Spec.Requests = updatedRequestsResources
return k8sClient.Update(ctx, policyServer)
}).Should(Succeed())
By("updating the deployment with the new requests")
Eventually(func() (*corev1.Container, error) {
deployment, err := getTestPolicyServerDeployment(ctx, policyServerName)