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Fix behavior when the kube api might omit some more fields #128

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merged 4 commits into from
May 1, 2023
Merged

Fix behavior when the kube api might omit some more fields #128

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5778c54
Add test for possibly omitted array
JustinKuli Apr 25, 2023
14a11f9
Use common parent policy creation function
JustinKuli Apr 25, 2023
30d0179
Fix constantly updating objects with an empty list
JustinKuli Apr 25, 2023
d7d1e0a
Fix constantly updating objects with a null struct
JustinKuli Apr 27, 2023
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4 changes: 4 additions & 0 deletions controllers/configurationpolicy_utils.go
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Original file line number Diff line number Diff line change
Expand Up @@ -115,6 +115,10 @@ func equalObjWithSort(mergedObj interface{}, oldObj interface{}) (areEqual bool)
// this includes the case where oldObj is nil
return false
case []interface{}:
if len(mergedObj) == 0 && oldObj == nil {
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I guess we need this line 170, 176

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On what was line 170, case []map[string]interface{}, the condition here is not necessary, because the length would never be 0. If it was length zero, it would just be [], and that doesn't have the required type information to get into that case.

I think the rest of the logic in checkFieldsWithSort should already cover these cases. At least, that was the intention of a663462, and what I was thinking of adding seems equivalent.

return true
}

if oldObjList, ok := oldObj.([]interface{}); ok {
return checkListsMatch(mergedObj, oldObjList)
}
Expand Down
68 changes: 8 additions & 60 deletions test/e2e/case15_event_format_test.go
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Expand Up @@ -36,21 +36,8 @@ const (

var _ = Describe("Testing compliance event formatting", func() {
It("Records the right events for a policy that is always compliant", func() {
By("Creating parent policy " + case15AlwaysCompliantParentName + " on " + testNamespace)
utils.Kubectl("apply", "-f", case15AlwaysCompliantParentYaml, "-n", testNamespace)
parent := utils.GetWithTimeout(clientManagedDynamic, gvrPolicy,
case15AlwaysCompliantParentName, testNamespace, true, defaultTimeoutSeconds)
Expect(parent).NotTo(BeNil())

By("Creating compliant policy " + case15AlwaysCompliantName + " on " + testNamespace + " with parent " +
case15AlwaysCompliantParentName)
plcDef := utils.ParseYaml(case15AlwaysCompliantYaml)
ownerRefs := plcDef.GetOwnerReferences()
ownerRefs[0].UID = parent.GetUID()
plcDef.SetOwnerReferences(ownerRefs)
_, err := clientManagedDynamic.Resource(gvrConfigPolicy).Namespace(testNamespace).
Create(context.TODO(), plcDef, metav1.CreateOptions{})
Expect(err).To(BeNil())
createConfigPolicyWithParent(case15AlwaysCompliantParentYaml, case15AlwaysCompliantParentName,
case15AlwaysCompliantYaml)

plc := utils.GetWithTimeout(clientManagedDynamic, gvrConfigPolicy,
case15AlwaysCompliantName, testNamespace, true, defaultTimeoutSeconds)
Expand Down Expand Up @@ -81,21 +68,8 @@ var _ = Describe("Testing compliance event formatting", func() {
Expect(nonCompParentEvents).To(BeEmpty())
})
It("Records the right events for a policy that is never compliant", func() {
By("Creating parent policy " + case15NeverCompliantParentName + " on " + testNamespace)
utils.Kubectl("apply", "-f", case15NeverCompliantParentYaml, "-n", testNamespace)
parent := utils.GetWithTimeout(clientManagedDynamic, gvrPolicy,
case15NeverCompliantParentName, testNamespace, true, defaultTimeoutSeconds)
Expect(parent).NotTo(BeNil())

By("Creating noncompliant policy " + case15NeverCompliantName + " on " + testNamespace + " with parent " +
case15NeverCompliantParentName)
plcDef := utils.ParseYaml(case15NeverCompliantYaml)
ownerRefs := plcDef.GetOwnerReferences()
ownerRefs[0].UID = parent.GetUID()
plcDef.SetOwnerReferences(ownerRefs)
_, err := clientManagedDynamic.Resource(gvrConfigPolicy).Namespace(testNamespace).
Create(context.TODO(), plcDef, metav1.CreateOptions{})
Expect(err).To(BeNil())
createConfigPolicyWithParent(case15NeverCompliantParentYaml, case15NeverCompliantParentName,
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great! createConfigPolicyWithParent

case15NeverCompliantYaml)

plc := utils.GetWithTimeout(clientManagedDynamic, gvrConfigPolicy,
case15NeverCompliantName, testNamespace, true, defaultTimeoutSeconds)
Expand Down Expand Up @@ -126,21 +100,8 @@ var _ = Describe("Testing compliance event formatting", func() {
Expect(nonCompParentEvents).NotTo(BeEmpty())
})
It("Records events for a policy that becomes compliant", func() {
By("Creating parent policy " + case15BecomesCompliantParentName + " on " + testNamespace)
utils.Kubectl("apply", "-f", case15BecomesCompliantParentYaml, "-n", testNamespace)
parent := utils.GetWithTimeout(clientManagedDynamic, gvrPolicy,
case15BecomesCompliantParentName, testNamespace, true, defaultTimeoutSeconds)
Expect(parent).NotTo(BeNil())

By("Creating noncompliant policy " + case15BecomesCompliantName + " on " + testNamespace + " with parent " +
case15BecomesCompliantParentName)
plcDef := utils.ParseYaml(case15BecomesCompliantYaml)
ownerRefs := plcDef.GetOwnerReferences()
ownerRefs[0].UID = parent.GetUID()
plcDef.SetOwnerReferences(ownerRefs)
_, err := clientManagedDynamic.Resource(gvrConfigPolicy).Namespace(testNamespace).
Create(context.TODO(), plcDef, metav1.CreateOptions{})
Expect(err).To(BeNil())
createConfigPolicyWithParent(case15BecomesCompliantParentYaml, case15BecomesCompliantParentName,
case15BecomesCompliantYaml)

plc := utils.GetWithTimeout(clientManagedDynamic, gvrConfigPolicy,
case15BecomesCompliantName, testNamespace, true, defaultTimeoutSeconds)
Expand Down Expand Up @@ -176,21 +137,8 @@ var _ = Describe("Testing compliance event formatting", func() {
Expect(compParentEvents).NotTo(BeEmpty())
})
It("Records events for a policy that becomes noncompliant", func() {
By("Creating parent policy " + case15BecomesNonCompliantParentName + " on " + testNamespace)
utils.Kubectl("apply", "-f", case15BecomesNonCompliantParentYaml, "-n", testNamespace)
parent := utils.GetWithTimeout(clientManagedDynamic, gvrPolicy,
case15BecomesNonCompliantParentName, testNamespace, true, defaultTimeoutSeconds)
Expect(parent).NotTo(BeNil())

By("Creating compliant policy " + case15BecomesNonCompliantName + " on " + testNamespace + " with parent " +
case15BecomesNonCompliantParentName)
plcDef := utils.ParseYaml(case15BecomesNonCompliantYaml)
ownerRefs := plcDef.GetOwnerReferences()
ownerRefs[0].UID = parent.GetUID()
plcDef.SetOwnerReferences(ownerRefs)
_, err := clientManagedDynamic.Resource(gvrConfigPolicy).Namespace(testNamespace).
Create(context.TODO(), plcDef, metav1.CreateOptions{})
Expect(err).To(BeNil())
createConfigPolicyWithParent(case15BecomesNonCompliantParentYaml, case15BecomesNonCompliantParentName,
case15BecomesNonCompliantYaml)

plc := utils.GetWithTimeout(clientManagedDynamic, gvrConfigPolicy,
case15BecomesNonCompliantName, testNamespace, true, defaultTimeoutSeconds)
Expand Down
21 changes: 1 addition & 20 deletions test/e2e/case17_evaluation_interval_test.go
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Expand Up @@ -29,26 +29,7 @@ const (

var _ = Describe("Test evaluation interval", func() {
It("Verifies that status.lastEvaluated is properly set", func() {
By("Creating the parent policy " + case17ParentPolicyName + " on the managed cluster")
utils.Kubectl("apply", "-f", case17ParentPolicy, "-n", testNamespace)
parent := utils.GetWithTimeout(clientManagedDynamic,
gvrPolicy,
case17ParentPolicyName,
testNamespace,
true,
defaultTimeoutSeconds,
)
Expect(parent).NotTo(BeNil())

By("Creating " + case17PolicyName + " on the managed cluster")
plcDef := utils.ParseYaml(case17Policy)
ownerRefs := plcDef.GetOwnerReferences()
ownerRefs[0].UID = parent.GetUID()
plcDef.SetOwnerReferences(ownerRefs)
_, err := clientManagedDynamic.Resource(gvrConfigPolicy).Namespace(testNamespace).Create(
context.TODO(), plcDef, v1.CreateOptions{},
)
Expect(err).To(BeNil())
createConfigPolicyWithParent(case17ParentPolicy, case17ParentPolicyName, case17Policy)

By("Getting status.lastEvaluated")
var managedPlc *unstructured.Unstructured
Expand Down
17 changes: 2 additions & 15 deletions test/e2e/case21_alternative_kubeconfig_test.go
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Expand Up @@ -58,20 +58,7 @@ var _ = Describe("Test an alternative kubeconfig for policy evaluation", Ordered
})

It("should create the namespace using the alternative kubeconfig", func() {
By("Creating parent policy " + parentPolicyName + " on " + testNamespace)
utils.Kubectl("apply", "-f", parentPolicyYAML, "-n", testNamespace)
parent := utils.GetWithTimeout(clientManagedDynamic, gvrPolicy,
parentPolicyName, testNamespace, true, defaultTimeoutSeconds)
Expect(parent).NotTo(BeNil())

By("Creating the " + policyName + " policy")
plcDef := utils.ParseYaml(policyYAML)
ownerRefs := plcDef.GetOwnerReferences()
ownerRefs[0].UID = parent.GetUID()
plcDef.SetOwnerReferences(ownerRefs)
_, err := clientManagedDynamic.Resource(gvrConfigPolicy).Namespace(testNamespace).
Create(context.TODO(), plcDef, metav1.CreateOptions{})
Expect(err).To(BeNil())
createConfigPolicyWithParent(parentPolicyYAML, parentPolicyName, policyYAML)

By("Verifying that the " + policyName + " policy is compliant")
Eventually(func() interface{} {
Expand All @@ -83,7 +70,7 @@ var _ = Describe("Test an alternative kubeconfig for policy evaluation", Ordered
}, defaultTimeoutSeconds, 1).Should(Equal("Compliant"))

By("Verifying that the " + policyName + " was created using the alternative kubeconfig")
_, err = targetK8sClient.CoreV1().Namespaces().Get(context.TODO(), namespaceName, metav1.GetOptions{})
_, err := targetK8sClient.CoreV1().Namespaces().Get(context.TODO(), namespaceName, metav1.GetOptions{})
Expect(err).To(BeNil())

By("Verifying that a compliance event was created on the parent policy")
Expand Down
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