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Merge pull request #131 from FabianKramm/master
feat: add watch support for spaces & accounts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| package account | ||
|
|
||
| import ( | ||
| "context" | ||
| configv1alpha1 "github.com/loft-sh/kiosk/pkg/apis/config/v1alpha1" | ||
| "github.com/loft-sh/kiosk/pkg/apis/tenancy" | ||
| kioskwatch "github.com/loft-sh/kiosk/pkg/watch" | ||
| "k8s.io/apimachinery/pkg/labels" | ||
| "k8s.io/apimachinery/pkg/watch" | ||
| "k8s.io/apiserver/pkg/authentication/user" | ||
| "k8s.io/apiserver/pkg/authorization/authorizer" | ||
| "k8s.io/klog" | ||
| "sync" | ||
| ) | ||
|
|
||
| var _ kioskwatch.Watcher = &watcher{} | ||
|
|
||
| type watcher struct { | ||
| userInfo user.Info | ||
| labelSelector labels.Selector | ||
| authorizer authorizer.Authorizer | ||
|
|
||
| result chan watch.Event | ||
| stopped bool | ||
| sync.RWMutex | ||
| } | ||
|
|
||
| func (w *watcher) Observe(event watch.Event) { | ||
| configAccount, ok := event.Object.(*configv1alpha1.Account) | ||
| if !ok { | ||
| return | ||
| } | ||
|
|
||
| tenancyAccount, err := ConvertConfigAccount(configAccount) | ||
| if err != nil { | ||
| klog.Infof("Error converting config account: %v", err) | ||
| return | ||
| } | ||
|
|
||
| event.Object = tenancyAccount | ||
| decision, _, err := w.authorizer.Authorize(context.Background(), authorizer.AttributesRecord{ | ||
| User: w.userInfo, | ||
| ResourceRequest: true, | ||
| Verb: "get", | ||
| APIGroup: tenancy.SchemeGroupVersion.Group, | ||
| APIVersion: "v1alpha1", | ||
| Resource: "accounts", | ||
| Name: tenancyAccount.Name, | ||
| }) | ||
| if err != nil || decision != authorizer.DecisionAllow { | ||
| return | ||
| } | ||
|
|
||
| // check label selector | ||
| if w.labelSelector != nil && w.labelSelector.Matches(labels.Set(tenancyAccount.Labels)) == false { | ||
| return | ||
| } | ||
|
|
||
| // send event | ||
| w.RLock() | ||
| defer w.RUnlock() | ||
|
|
||
| w.result <- event | ||
| } | ||
|
|
||
| func (w *watcher) Stop() { | ||
| w.Lock() | ||
| defer w.Unlock() | ||
| if !w.stopped { | ||
| klog.Infof("Stop watching accounts for " + w.userInfo.GetName()) | ||
| kioskwatch.AccountRegistry.Unsubscribe(w) | ||
| close(w.result) | ||
| w.stopped = true | ||
| } | ||
| } | ||
|
|
||
| func (w *watcher) ResultChan() <-chan watch.Event { | ||
| return w.result | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| package space | ||
|
|
||
| import ( | ||
| "context" | ||
| kioskwatch "github.com/loft-sh/kiosk/pkg/watch" | ||
| corev1 "k8s.io/api/core/v1" | ||
| "k8s.io/apimachinery/pkg/labels" | ||
| "k8s.io/apimachinery/pkg/watch" | ||
| "k8s.io/apiserver/pkg/authentication/user" | ||
| "k8s.io/apiserver/pkg/authorization/authorizer" | ||
| "k8s.io/klog" | ||
| "sync" | ||
| ) | ||
|
|
||
| var _ kioskwatch.Watcher = &watcher{} | ||
|
|
||
| type watcher struct { | ||
| userInfo user.Info | ||
| labelSelector labels.Selector | ||
| authorizer authorizer.Authorizer | ||
|
|
||
| result chan watch.Event | ||
| stopped bool | ||
| sync.RWMutex | ||
| } | ||
|
|
||
| func (w *watcher) Observe(event watch.Event) { | ||
| namespace, ok := event.Object.(*corev1.Namespace) | ||
| if !ok { | ||
| return | ||
| } | ||
|
|
||
| space := ConvertNamespace(namespace) | ||
| event.Object = space | ||
| decision, _, err := w.authorizer.Authorize(context.Background(), authorizer.AttributesRecord{ | ||
| User: w.userInfo, | ||
| ResourceRequest: true, | ||
| Verb: "get", | ||
| APIGroup: corev1.SchemeGroupVersion.Group, | ||
| APIVersion: corev1.SchemeGroupVersion.Version, | ||
| Resource: "namespaces", | ||
| Namespace: space.Name, | ||
| Name: space.Name, | ||
| }) | ||
| if err != nil || decision != authorizer.DecisionAllow { | ||
| return | ||
| } | ||
|
|
||
| // check label selector | ||
| if w.labelSelector != nil && w.labelSelector.Matches(labels.Set(space.Labels)) == false { | ||
| return | ||
| } | ||
|
|
||
| // send event | ||
| w.RLock() | ||
| defer w.RUnlock() | ||
|
|
||
| w.result <- event | ||
| } | ||
|
|
||
| func (w *watcher) Stop() { | ||
| w.Lock() | ||
| defer w.Unlock() | ||
| if !w.stopped { | ||
| klog.Infof("Stop watching spaces for " + w.userInfo.GetName()) | ||
| kioskwatch.NamespaceRegistry.Unsubscribe(w) | ||
| close(w.result) | ||
| w.stopped = true | ||
| } | ||
| } | ||
|
|
||
| func (w *watcher) ResultChan() <-chan watch.Event { | ||
| return w.result | ||
| } |
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