Skip to content
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
60 changes: 43 additions & 17 deletions controller/state.go
Original file line number Diff line number Diff line change
Expand Up @@ -514,7 +514,7 @@ func (m *appStateManager) CompareAppState(app *v1alpha1.Application, project *ap
}
gvk := obj.GroupVersionKind()

isSelfReferencedObj := m.isSelfReferencedObj(liveObj, appLabelKey, trackingMethod)
isSelfReferencedObj := m.isSelfReferencedObj(liveObj, targetObj, app.GetName(), appLabelKey, trackingMethod)

resState := v1alpha1.ResourceStatus{
Namespace: obj.GetNamespace(),
Expand Down Expand Up @@ -699,12 +699,13 @@ func NewAppStateManager(
}

// isSelfReferencedObj returns whether the given obj is managed by the application
// according to the values in the tracking annotation. It returns true when all
// of the properties in the annotation (name, namespace, group and kind) match
// the properties of the inspected object, or if the tracking method used does
// not provide the required properties for matching.
func (m *appStateManager) isSelfReferencedObj(obj *unstructured.Unstructured, appLabelKey string, trackingMethod v1alpha1.TrackingMethod) bool {
if obj == nil {
// according to the values of the tracking id (aka app instance value) annotation.
// It returns true when all of the properties of the tracking id (app name, namespace,
// group and kind) match the properties of the live object, or if the tracking method
// used does not provide the required properties for matching.
// Reference: https://github.com/argoproj/argo-cd/issues/8683
func (m *appStateManager) isSelfReferencedObj(live, config *unstructured.Unstructured, appName, appLabelKey string, trackingMethod v1alpha1.TrackingMethod) bool {
if live == nil {
return true
}

Expand All @@ -714,17 +715,42 @@ func (m *appStateManager) isSelfReferencedObj(obj *unstructured.Unstructured, ap
return true
}

// In order for us to assume obj to be managed by this application, the
// values from the annotation have to match the properties from the live
// object. Cluster scoped objects carry the app's destination namespace
// in the tracking annotation, but are unique in GVK + name combination.
appInstance := m.resourceTracking.GetAppInstance(obj, appLabelKey, trackingMethod)
// config != nil is the best-case scenario for constructing an accurate
// Tracking ID. `config` is the "desired state" (from git/helm/etc.).
// Using the desired state is important when there is an ApiGroup upgrade.
// When upgrading, the comparison must be made with the new tracking ID.
// Example:
// live resource annotation will be:
// ingress-app:extensions/Ingress:default/some-ingress
// when it should be:
// ingress-app:networking.k8s.io/Ingress:default/some-ingress
// More details in: https://github.com/argoproj/argo-cd/pull/11012
var aiv argo.AppInstanceValue
if config != nil {
aiv = argo.UnstructuredToAppInstanceValue(config, appName, "")
return isSelfReferencedObj(live, aiv)
}

// If config is nil then compare the live resource with the value
// of the annotation. In this case, in order to validate if obj is
// managed by this application, the values from the annotation have
// to match the properties from the live object. Cluster scoped objects
// carry the app's destination namespace in the tracking annotation,
// but are unique in GVK + name combination.
appInstance := m.resourceTracking.GetAppInstance(live, appLabelKey, trackingMethod)
if appInstance != nil {
return (obj.GetNamespace() == appInstance.Namespace || obj.GetNamespace() == "") &&
obj.GetName() == appInstance.Name &&
obj.GetObjectKind().GroupVersionKind().Group == appInstance.Group &&
obj.GetObjectKind().GroupVersionKind().Kind == appInstance.Kind
return isSelfReferencedObj(live, *appInstance)
}

return true
}

// isSelfReferencedObj returns true if the given Tracking ID (`aiv`) matches
// the given object. It returns false when the ID doesn't match. This sometimes
// happens when a tracking label or annotation gets accidentally copied to a
// different resource.
func isSelfReferencedObj(obj *unstructured.Unstructured, aiv argo.AppInstanceValue) bool {
return (obj.GetNamespace() == aiv.Namespace || obj.GetNamespace() == "") &&
obj.GetName() == aiv.Name &&
obj.GetObjectKind().GroupVersionKind().Group == aiv.Group &&
obj.GetObjectKind().GroupVersionKind().Kind == aiv.Kind
}
91 changes: 72 additions & 19 deletions controller/state_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@ import (
"github.com/stretchr/testify/assert"
v1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
networkingv1 "k8s.io/api/networking/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
Expand Down Expand Up @@ -852,6 +853,19 @@ func TestIsLiveResourceManaged(t *testing.T) {
},
},
})
managedWrongAPIGroup := kube.MustToUnstructured(&networkingv1.Ingress{
TypeMeta: metav1.TypeMeta{
APIVersion: "networking.k8s.io/v1",
Kind: "Ingress",
},
ObjectMeta: metav1.ObjectMeta{
Name: "some-ingress",
Namespace: "default",
Annotations: map[string]string{
common.AnnotationKeyAppInstance: "guestbook:extensions/Ingress:default/some-ingress",
},
},
})
ctrl := newFakeController(&fakeData{
apps: []runtime.Object{app, &defaultProj},
manifestResponse: &apiclient.ManifestResponse{
Expand All @@ -870,30 +884,69 @@ func TestIsLiveResourceManaged(t *testing.T) {
})

manager := ctrl.appStateManager.(*appStateManager)
appName := "guestbook"

t.Run("will return true if trackingid matches the resource", func(t *testing.T) {
// given
t.Parallel()
configObj := managedObj.DeepCopy()

// Managed resource w/ annotations
assert.True(t, manager.isSelfReferencedObj(managedObj, common.AnnotationKeyAppInstance, argo.TrackingMethodLabel))
assert.True(t, manager.isSelfReferencedObj(managedObj, common.AnnotationKeyAppInstance, argo.TrackingMethodAnnotation))
// then
assert.True(t, manager.isSelfReferencedObj(managedObj, configObj, appName, common.AnnotationKeyAppInstance, argo.TrackingMethodLabel))
assert.True(t, manager.isSelfReferencedObj(managedObj, configObj, appName, common.AnnotationKeyAppInstance, argo.TrackingMethodAnnotation))
})
t.Run("will return true if tracked with label", func(t *testing.T) {
// given
t.Parallel()
configObj := managedObjWithLabel.DeepCopy()

// Managed resource w/ label
assert.True(t, manager.isSelfReferencedObj(managedObjWithLabel, common.AnnotationKeyAppInstance, argo.TrackingMethodLabel))
// then
assert.True(t, manager.isSelfReferencedObj(managedObjWithLabel, configObj, appName, common.AnnotationKeyAppInstance, argo.TrackingMethodLabel))
})
t.Run("will handle if trackingId has wrong resource name and config is nil", func(t *testing.T) {
// given
t.Parallel()

// Wrong resource name
assert.True(t, manager.isSelfReferencedObj(unmanagedObjWrongName, common.AnnotationKeyAppInstance, argo.TrackingMethodLabel))
assert.False(t, manager.isSelfReferencedObj(unmanagedObjWrongName, common.AnnotationKeyAppInstance, argo.TrackingMethodAnnotation))
// then
assert.True(t, manager.isSelfReferencedObj(unmanagedObjWrongName, nil, appName, common.AnnotationKeyAppInstance, argo.TrackingMethodLabel))
assert.False(t, manager.isSelfReferencedObj(unmanagedObjWrongName, nil, appName, common.AnnotationKeyAppInstance, argo.TrackingMethodAnnotation))
})
t.Run("will handle if trackingId has wrong resource group and config is nil", func(t *testing.T) {
// given
t.Parallel()

// Wrong resource group
assert.True(t, manager.isSelfReferencedObj(unmanagedObjWrongGroup, common.AnnotationKeyAppInstance, argo.TrackingMethodLabel))
assert.False(t, manager.isSelfReferencedObj(unmanagedObjWrongGroup, common.AnnotationKeyAppInstance, argo.TrackingMethodAnnotation))
// then
assert.True(t, manager.isSelfReferencedObj(unmanagedObjWrongGroup, nil, appName, common.AnnotationKeyAppInstance, argo.TrackingMethodLabel))
assert.False(t, manager.isSelfReferencedObj(unmanagedObjWrongGroup, nil, appName, common.AnnotationKeyAppInstance, argo.TrackingMethodAnnotation))
})
t.Run("will handle if trackingId has wrong kind and config is nil", func(t *testing.T) {
// given
t.Parallel()

// Wrong resource kind
assert.True(t, manager.isSelfReferencedObj(unmanagedObjWrongKind, common.AnnotationKeyAppInstance, argo.TrackingMethodLabel))
assert.False(t, manager.isSelfReferencedObj(unmanagedObjWrongKind, common.AnnotationKeyAppInstance, argo.TrackingMethodAnnotation))
// then
assert.True(t, manager.isSelfReferencedObj(unmanagedObjWrongKind, nil, appName, common.AnnotationKeyAppInstance, argo.TrackingMethodLabel))
assert.False(t, manager.isSelfReferencedObj(unmanagedObjWrongKind, nil, appName, common.AnnotationKeyAppInstance, argo.TrackingMethodAnnotation))
})
t.Run("will handle if trackingId has wrong namespace and config is nil", func(t *testing.T) {
// given
t.Parallel()

// Wrong resource namespace
assert.True(t, manager.isSelfReferencedObj(unmanagedObjWrongNamespace, common.AnnotationKeyAppInstance, argo.TrackingMethodLabel))
assert.False(t, manager.isSelfReferencedObj(unmanagedObjWrongNamespace, common.AnnotationKeyAppInstance, argo.TrackingMethodAnnotationAndLabel))
// then
assert.True(t, manager.isSelfReferencedObj(unmanagedObjWrongNamespace, nil, appName, common.AnnotationKeyAppInstance, argo.TrackingMethodLabel))
assert.False(t, manager.isSelfReferencedObj(unmanagedObjWrongNamespace, nil, appName, common.AnnotationKeyAppInstance, argo.TrackingMethodAnnotationAndLabel))
})
t.Run("will return true if live is nil", func(t *testing.T) {
t.Parallel()
assert.True(t, manager.isSelfReferencedObj(nil, nil, appName, common.AnnotationKeyAppInstance, argo.TrackingMethodAnnotation))
})

// Nil resource
assert.True(t, manager.isSelfReferencedObj(nil, common.AnnotationKeyAppInstance, argo.TrackingMethodAnnotation))
t.Run("will handle upgrade in desired state APIGroup", func(t *testing.T) {
// given
t.Parallel()
config := managedWrongAPIGroup.DeepCopy()
delete(config.GetAnnotations(), common.AnnotationKeyAppInstance)

// then
assert.True(t, manager.isSelfReferencedObj(managedWrongAPIGroup, config, appName, common.AnnotationKeyAppInstance, argo.TrackingMethodAnnotation))
})
}
2 changes: 1 addition & 1 deletion controller/sync.go
Original file line number Diff line number Diff line change
Expand Up @@ -246,7 +246,7 @@ func (m *appStateManager) SyncAppState(app *v1alpha1.Application, state *v1alpha
sync.WithResourcesFilter(func(key kube.ResourceKey, target *unstructured.Unstructured, live *unstructured.Unstructured) bool {
return (len(syncOp.Resources) == 0 ||
argo.ContainsSyncResource(key.Name, key.Namespace, schema.GroupVersionKind{Kind: key.Kind, Group: key.Group}, syncOp.Resources)) &&
m.isSelfReferencedObj(live, appLabelKey, trackingMethod)
m.isSelfReferencedObj(live, target, app.GetName(), appLabelKey, trackingMethod)
}),
sync.WithManifestValidation(!syncOp.SyncOptions.HasOption(common.SyncOptionsDisableValidation)),
sync.WithNamespaceCreation(syncOp.SyncOptions.HasOption("CreateNamespace=true"), func(un *unstructured.Unstructured) bool {
Expand Down
2 changes: 1 addition & 1 deletion util/argo/diff/diff.go
Original file line number Diff line number Diff line change
Expand Up @@ -334,7 +334,7 @@ func (c *diffConfig) DiffFromCache(appName string) (bool, []*appv1.ResourceDiff)
}

// preDiffNormalize applies the normalization of live and target resources before invoking
// the diff. None of the attributes in the preDiffNormalizeParams will be modified.
// the diff. None of the attributes in the lives and targets params will be modified.
func preDiffNormalize(lives, targets []*unstructured.Unstructured, diffConfig DiffConfig) (*NormalizationResult, error) {
if diffConfig == nil {
return nil, fmt.Errorf("preDiffNormalize error: diffConfig can not be nil")
Expand Down
43 changes: 23 additions & 20 deletions util/argo/resource_tracking.go
Original file line number Diff line number Diff line change
Expand Up @@ -4,17 +4,12 @@ import (
"fmt"
"strings"

"github.com/argoproj/gitops-engine/pkg/utils/kube"

"github.com/argoproj/argo-cd/v2/common"

"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"

"github.com/argoproj/argo-cd/v2/util/settings"

"github.com/argoproj/argo-cd/v2/pkg/apis/application/v1alpha1"

"github.com/argoproj/argo-cd/v2/util/kube"
argokube "github.com/argoproj/argo-cd/v2/util/kube"
"github.com/argoproj/argo-cd/v2/util/settings"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
)

const (
Expand Down Expand Up @@ -107,21 +102,29 @@ func (rt *resourceTracking) GetAppInstance(un *unstructured.Unstructured, key st
}
}

// UnstructuredToAppInstanceValue will build the AppInstanceValue based
// on the provided unstructured. The given namespace works as a default
// value if the resource's namespace is not defined. It should be the
// Application's target destination namespace.
func UnstructuredToAppInstanceValue(un *unstructured.Unstructured, appName, namespace string) AppInstanceValue {
ns := un.GetNamespace()
if ns == "" {
ns = namespace
}
gvk := un.GetObjectKind().GroupVersionKind()
return AppInstanceValue{
ApplicationName: appName,
Group: gvk.Group,
Kind: gvk.Kind,
Namespace: ns,
Name: un.GetName(),
}
}

// SetAppInstance set label/annotation base on tracking method
func (rt *resourceTracking) SetAppInstance(un *unstructured.Unstructured, key, val, namespace string, trackingMethod v1alpha1.TrackingMethod) error {
setAppInstanceAnnotation := func() error {
ns := un.GetNamespace()
if ns == "" {
ns = namespace
}
gvk := un.GetObjectKind().GroupVersionKind()
appInstanceValue := AppInstanceValue{
ApplicationName: val,
Group: gvk.Group,
Kind: gvk.Kind,
Namespace: ns,
Name: un.GetName(),
}
appInstanceValue := UnstructuredToAppInstanceValue(un, val, namespace)
return argokube.SetAppInstanceAnnotation(un, common.AnnotationKeyAppInstance, rt.BuildAppInstanceValue(appInstanceValue))
}
switch trackingMethod {
Expand Down