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feat: delete redundant resource from ES when syncer starts (#255)
## What type of PR is this? /kind feature ## What this PR does / why we need it: delete redundant resource from ES when syncer starts ## Which issue(s) this PR fixes: Fixes #256
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| package utils | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "strings" | ||
|
|
||
| "github.com/KusionStack/karbour/pkg/infra/search/storage/elasticsearch" | ||
| "github.com/aquasecurity/esquery" | ||
| "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" | ||
| "k8s.io/apimachinery/pkg/runtime/schema" | ||
| k8scache "k8s.io/client-go/tools/cache" | ||
| ) | ||
|
|
||
| var _ k8scache.KeyListerGetter = &ESListerGetter{} | ||
|
|
||
| type ESListerGetter struct { | ||
| cluster string | ||
| esClient *elasticsearch.ESClient | ||
| gvr schema.GroupVersionResource | ||
| } | ||
|
|
||
| func NewESListerGetter(cluster string, esClient *elasticsearch.ESClient, gvr schema.GroupVersionResource) *ESListerGetter { | ||
| return &ESListerGetter{ | ||
| cluster: cluster, | ||
| esClient: esClient, | ||
| gvr: gvr, | ||
| } | ||
| } | ||
|
|
||
| func (e *ESListerGetter) ListKeys() []string { | ||
| resource := e.gvr.Resource | ||
| kind := resource[0 : len(resource)-1] | ||
| query := make(map[string]interface{}) | ||
| query["query"] = esquery.Bool().Must( | ||
| esquery.Term("cluster", e.cluster), | ||
| esquery.Term("apiVersion", e.gvr.GroupVersion().String()), | ||
| esquery.Term("kind", kind), | ||
| ).Map() | ||
| sr, err := e.esClient.SearchByQuery(context.Background(), query, nil) | ||
| if err != nil { | ||
| return nil | ||
| } | ||
| rt := []string{} | ||
| for _, r := range sr.GetResources() { | ||
| name, _, _ := unstructured.NestedString(r.Object, "metadata", "name") | ||
| ns, _, _ := unstructured.NestedString(r.Object, "metadata", "namespace") | ||
| var key string | ||
| if ns != "" && name != "" { | ||
| key = ns + "/" + name | ||
| } else if name != "" { | ||
| key = name | ||
| } | ||
| if key != "" { | ||
| rt = append(rt, key) | ||
| } | ||
| } | ||
| return rt | ||
| } | ||
|
|
||
| func (e *ESListerGetter) GetByKey(key string) (value interface{}, exists bool, err error) { | ||
| s := strings.Split(key, "/") | ||
| var name, ns string | ||
| switch len(s) { | ||
| case 1: | ||
| name = s[0] | ||
| case 2: | ||
| ns = s[0] | ||
| name = s[1] | ||
| default: | ||
| return nil, false, fmt.Errorf("invalid key:%s", key) | ||
| } | ||
|
|
||
| resource := e.gvr.Resource | ||
| kind := resource[0 : len(resource)-1] | ||
| query := make(map[string]interface{}) | ||
| query["query"] = esquery.Bool().Must( | ||
| esquery.Term("cluster", e.cluster), | ||
| esquery.Term("apiVersion", e.gvr.GroupVersion().String()), | ||
| esquery.Term("kind", kind), | ||
| esquery.Term("namespace", ns), | ||
| esquery.Term("name", name)).Map() | ||
| sr, err := e.esClient.SearchByQuery(context.Background(), query, nil) | ||
| if err != nil { | ||
| return nil, false, err | ||
| } | ||
| resources := sr.GetResources() | ||
| if len(resources) != 1 { | ||
| return nil, false, fmt.Errorf("query result expected 1, got %d", len(resources)) | ||
| } | ||
|
|
||
| unObj := &unstructured.Unstructured{} | ||
| unObj.SetUnstructuredContent(resources[0].Object) | ||
| return unObj, true, nil | ||
| } |