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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,154 @@ | ||
| package adaper | ||
|
|
||
| import ( | ||
| "strings" | ||
|
|
||
| "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" | ||
| "k8s.io/apimachinery/pkg/labels" | ||
| "k8s.io/apimachinery/pkg/runtime/schema" | ||
| "k8s.io/client-go/dynamic" | ||
| "k8s.io/client-go/dynamic/dynamicinformer" | ||
| "k8s.io/client-go/rest" | ||
| "k8s.io/client-go/tools/cache" | ||
| "k8s.io/klog/v2" | ||
|
|
||
| clusterlister "github.com/kosmos.io/kosmos/pkg/generated/listers/kosmos/v1alpha1" | ||
| "github.com/kosmos.io/kosmos/pkg/utils/lifted" | ||
| ) | ||
|
|
||
| type CalicoAdapter struct { | ||
| sync bool | ||
| config *rest.Config | ||
| blockLister cache.GenericLister | ||
| clusterNodeLister clusterlister.ClusterNodeLister | ||
| processor lifted.AsyncWorker | ||
| } | ||
|
|
||
| // nolint:revive | ||
| func NewCalicoAdapter(config *rest.Config, | ||
| clusterNodeLister clusterlister.ClusterNodeLister, | ||
| processor lifted.AsyncWorker) *CalicoAdapter { | ||
| return &CalicoAdapter{ | ||
| config: config, | ||
| clusterNodeLister: clusterNodeLister, | ||
| processor: processor, | ||
| } | ||
| } | ||
|
|
||
| func (c *CalicoAdapter) Start(stopCh <-chan struct{}) error { | ||
| client, err := dynamic.NewForConfig(c.config) | ||
| if err != nil { | ||
| klog.Errorf("init dynamic client err: %v", err) | ||
| return err | ||
| } | ||
| gvr := schema.GroupVersionResource{ | ||
| Group: "crd.projectcalico.org", | ||
| Version: "v1", | ||
| Resource: "blockaffinities", | ||
| } | ||
| informerFactory := dynamicinformer.NewDynamicSharedInformerFactory(client, 0) | ||
| _, err = informerFactory.ForResource(gvr).Informer().AddEventHandler( | ||
| cache.ResourceEventHandlerFuncs{ | ||
| AddFunc: c.OnAdd, | ||
| UpdateFunc: c.OnUpdate, | ||
| DeleteFunc: c.OnDelete, | ||
| }) | ||
| if err != nil { | ||
| klog.Errorf("add event handler error: %v", err) | ||
| return err | ||
| } | ||
|
|
||
| c.blockLister = informerFactory.ForResource(gvr).Lister() | ||
| informerFactory.Start(stopCh) | ||
| informerFactory.WaitForCacheSync(stopCh) | ||
|
|
||
| c.sync = true | ||
| klog.Info("calico blockaffinities informer started!") | ||
| return nil | ||
| } | ||
|
|
||
| func (c *CalicoAdapter) GetCIDRByNodeName(nodeName string) ([]string, error) { | ||
| blockAffinities, err := c.blockLister.List(labels.Everything()) | ||
| if err != nil { | ||
| klog.Errorf("list blockAffinities error: %v", err) | ||
| return nil, err | ||
| } | ||
| var podCIDRS []string | ||
| for _, ba := range blockAffinities { | ||
| uobj := ba.(*unstructured.Unstructured) | ||
| node, found, err := unstructured.NestedString(uobj.Object, "spec", "node") | ||
| if err != nil { | ||
| klog.Errorf("get spec.node from blockAffinity err: ", err) | ||
| } | ||
| if !found { | ||
| continue | ||
| } | ||
| cidr, found, err := unstructured.NestedString(uobj.Object, "spec", "cidr") | ||
| if err != nil { | ||
| klog.Errorf("get spec.cidr from blockAffinity err: ", err) | ||
| } | ||
| if !found { | ||
| continue | ||
| } | ||
| if strings.Compare(node, nodeName) == 0 { | ||
| podCIDRS = append(podCIDRS, cidr) | ||
| } | ||
| } | ||
|
|
||
| return podCIDRS, nil | ||
| } | ||
|
|
||
| func (c *CalicoAdapter) Synced() bool { | ||
| return c.sync | ||
| } | ||
|
|
||
| func (c *CalicoAdapter) OnAdd(obj interface{}) { | ||
| klog.V(7).Info("add event") | ||
| runtimeObj, ok := obj.(*unstructured.Unstructured) | ||
| if !ok { | ||
| return | ||
| } | ||
| node, found, err := unstructured.NestedString(runtimeObj.Object, "spec", "node") | ||
| if err != nil { | ||
| klog.Errorf("get spec.node from blockAffinity err: ", err) | ||
| } | ||
| if !found { | ||
| return | ||
| } | ||
| klog.V(7).Info("add event Enqueue") | ||
| requeue(node, c.clusterNodeLister, c.processor) | ||
| } | ||
|
|
||
| // OnUpdate handles object update event and push the object to queue. | ||
| func (c *CalicoAdapter) OnUpdate(_, newObj interface{}) { | ||
| klog.V(7).Info("update event") | ||
| runtimeObj, ok := newObj.(*unstructured.Unstructured) | ||
| if !ok { | ||
| return | ||
| } | ||
| node, found, err := unstructured.NestedString(runtimeObj.Object, "spec", "node") | ||
| if err != nil { | ||
| klog.Errorf("get spec.node from blockAffinity err: ", err) | ||
| } | ||
| if !found { | ||
| return | ||
| } | ||
| klog.V(7).Info("update event Enqueue") | ||
| requeue(node, c.clusterNodeLister, c.processor) | ||
| } | ||
|
|
||
| // OnDelete handles object delete event and push the object to queue. | ||
| func (c *CalicoAdapter) OnDelete(obj interface{}) { | ||
| runtimeObj, ok := obj.(*unstructured.Unstructured) | ||
| if !ok { | ||
| return | ||
| } | ||
| node, found, err := unstructured.NestedString(runtimeObj.Object, "spec", "node") | ||
| if err != nil { | ||
| klog.Errorf("get spec.node from blockAffinity err: ", err) | ||
| } | ||
| if !found { | ||
| return | ||
| } | ||
| requeue(node, c.clusterNodeLister, c.processor) | ||
| } |
55 changes: 55 additions & 0 deletions
55
pkg/clusterlink/controllers/nodecidr/adaper/calico_etcd.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| package adaper | ||
|
|
||
| import ( | ||
| clusterlister "github.com/kosmos.io/kosmos/pkg/generated/listers/kosmos/v1alpha1" | ||
| "github.com/kosmos.io/kosmos/pkg/utils/lifted" | ||
| "github.com/projectcalico/calico/libcalico-go/lib/backend/api" | ||
| ) | ||
|
|
||
| type CalicoETCDAdapter struct { | ||
| sync bool | ||
| etcdClient api.Client | ||
| clusterNodeLister clusterlister.ClusterNodeLister | ||
| processor lifted.AsyncWorker | ||
| } | ||
|
|
||
| // nolint:revive | ||
| func NewCalicoETCDAdapter(etcdClient api.Client, | ||
| clusterNodeLister clusterlister.ClusterNodeLister, | ||
| processor lifted.AsyncWorker) *CalicoETCDAdapter { | ||
| return &CalicoETCDAdapter{ | ||
| etcdClient: etcdClient, | ||
| clusterNodeLister: clusterNodeLister, | ||
| processor: processor, | ||
| } | ||
| } | ||
|
|
||
| func (c *CalicoETCDAdapter) Start(stopCh <-chan struct{}) error { | ||
| // todo use c.etcdClient to list and watch blockaffinity in etcd | ||
| return nil | ||
| } | ||
|
|
||
| func (c *CalicoETCDAdapter) GetCIDRByNodeName(nodeName string) ([]string, error) { | ||
| // see calicoctl/calicoctl/commands/datastore/migrate/migrateipam.go | ||
| // and libcalico-go/lib/backend/model/block_affinity.go | ||
| // todo use c.etcdClient to get blockaffinity in etcd | ||
| return nil, nil | ||
| } | ||
|
|
||
| func (c *CalicoETCDAdapter) Synced() bool { | ||
| return c.sync | ||
| } | ||
|
|
||
| func (c *CalicoETCDAdapter) OnAdd(obj interface{}) { | ||
| // todo add event info to c.processor | ||
| } | ||
|
|
||
| // OnUpdate handles object update event and push the object to queue. | ||
| func (c *CalicoETCDAdapter) OnUpdate(_, newObj interface{}) { | ||
| // todo add event info to c.processor | ||
| } | ||
|
|
||
| // OnDelete handles object delete event and push the object to queue. | ||
| func (c *CalicoETCDAdapter) OnDelete(obj interface{}) { | ||
| // todo add event info to c.processor | ||
| } |
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