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Feature : Detect depcreated API's on a live cluster resources (#367)
Feature : Detect depcreated API's on a live cluster resources Feature : Detect depcreated API's on a live cluster resources Feature : Detect deprecated API's on a live cluster resources Feature : Detect deprecated API's on a live cluster resources Feature : Detect deprecated API's on a live cluster resources Feature : Detect deprecated API's on a live cluster resources Feature : Detect deprecated API's on a live cluster resources Feature : Detect deprecated API's on a live cluster resources Feature : Detect deprecated API's on a live cluster resources Feature : Detect deprecated API's on a live cluster resources Co-authored-by: Andrew Suderman <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,182 @@ | ||
| // Copyright 2022 FairwindsOps Inc | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| // Copyright 2020 Fairwinds | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License | ||
|
|
||
| package discoveryapi | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
|
|
||
| apierrors "k8s.io/apimachinery/pkg/api/errors" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/runtime/schema" | ||
| "k8s.io/client-go/discovery" | ||
| "k8s.io/client-go/dynamic" | ||
| "k8s.io/client-go/rest" | ||
| "k8s.io/client-go/tools/clientcmd" | ||
| "k8s.io/klog/v2" | ||
|
|
||
| "github.com/fairwindsops/pluto/v5/pkg/api" | ||
| ) | ||
|
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| // DiscoveryClient is the declaration to hold objects needed for client-go/discovery. | ||
| type DiscoveryClient struct { | ||
| ClientSet dynamic.Interface | ||
| restConfig *rest.Config | ||
| DiscoveryClient discovery.DiscoveryInterface | ||
| Instance *api.Instance | ||
| } | ||
|
|
||
| // NewDiscoveryClient returns a new struct with config portions complete. | ||
| func NewDiscoveryClient(instance *api.Instance) (*DiscoveryClient, error) { | ||
| cl := &DiscoveryClient{ | ||
| Instance: instance, | ||
| } | ||
|
|
||
| var err error | ||
| cl.restConfig, err = NewRestClientConfig(rest.InClusterConfig) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| if cl.DiscoveryClient, err = discovery.NewDiscoveryClientForConfig(cl.restConfig); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| cl.ClientSet, err = dynamic.NewForConfig(cl.restConfig) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return cl, nil | ||
| } | ||
|
|
||
| // NewRestClientConfig returns a new Rest Client config portions complete. | ||
| func NewRestClientConfig(inClusterFn func() (*rest.Config, error)) (*rest.Config, error) { | ||
|
|
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| if restConfig, err := inClusterFn(); err == nil { | ||
| return restConfig, nil | ||
| } | ||
|
|
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| pathOptions := clientcmd.NewDefaultPathOptions() | ||
|
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| config, err := pathOptions.GetStartingConfig() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| configOverrides := clientcmd.ConfigOverrides{} | ||
|
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| clientConfig := clientcmd.NewDefaultClientConfig(*config, &configOverrides) | ||
| restConfig, err := clientConfig.ClientConfig() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| return restConfig, nil | ||
| } | ||
|
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| // GetApiResources discovers the api-resources for a cluster | ||
| func (cl *DiscoveryClient) GetApiResources() error { | ||
|
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| resourcelist, err := cl.DiscoveryClient.ServerPreferredResources() | ||
| if err != nil { | ||
| if apierrors.IsNotFound(err) { | ||
| return err | ||
| } | ||
| if apierrors.IsForbidden(err) { | ||
| klog.Error("Failed to list objects for Name discovery. Permission denied! Please check if you have the proper authorization") | ||
| return err | ||
| } | ||
| } | ||
|
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| gvrs := []schema.GroupVersionResource{} | ||
| for _, rl := range resourcelist { | ||
| for i := range rl.APIResources { | ||
| gv, _ := schema.ParseGroupVersion(rl.GroupVersion) | ||
| ResourceName := rl.APIResources[i].Name | ||
| g := schema.GroupVersionResource{Group: gv.Group, Version: gv.Version, Resource: ResourceName} | ||
| gvrs = append(gvrs, g) | ||
| } | ||
| } | ||
|
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| var results []map[string]interface{} | ||
| for _, g := range gvrs { | ||
| ri := cl.ClientSet.Resource(g) | ||
| klog.V(2).Infof("Retrieving : %s.%s.%s", g.Resource, g.Version, g.Group) | ||
| rs, err := ri.List(context.TODO(), metav1.ListOptions{}) | ||
| if err != nil { | ||
| klog.Error("Failed to retrieve: ", g, err) | ||
| continue | ||
| } | ||
|
|
||
| if len(rs.Items) == 0 { | ||
| klog.V(2).Infof("No annotations for ResourceVer %s", rs.GetAPIVersion()) | ||
| obj := rs.UnstructuredContent() | ||
| data, err := json.Marshal(obj) | ||
| if err != nil { | ||
| klog.Error("Failed to marshal data ", err.Error()) | ||
| return err | ||
| } | ||
| output, err := cl.Instance.IsVersioned(data) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| if output == nil { | ||
| continue | ||
| } | ||
| cl.Instance.Outputs = append(cl.Instance.Outputs, output...) | ||
|
|
||
| } else { | ||
| for _, r := range rs.Items { | ||
| if jsonManifest, ok := r.GetAnnotations()["kubectl.kubernetes.io/last-applied-configuration"]; ok { | ||
| var manifest map[string]interface{} | ||
|
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| err := json.Unmarshal([]byte(jsonManifest), &manifest) | ||
| if err != nil { | ||
| klog.Error("failed to parse 'last-applied-configuration' annotation of resource %s/%s: %s", r.GetNamespace(), r.GetName(), err.Error()) | ||
| continue | ||
| } | ||
| data, err := json.Marshal(manifest) | ||
| if err != nil { | ||
| klog.Error("Failed to marshal data ", err.Error()) | ||
| return err | ||
| } | ||
| output, err := cl.Instance.IsVersioned(data) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| cl.Instance.Outputs = append(cl.Instance.Outputs, output...) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| } | ||
|
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| klog.V(6).Infof("Result from resources: %d", len(results)) | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| // Copyright 2022 FairwindsOps Inc | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| // Copyright 2020 Fairwinds | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License | ||
|
|
||
| package discoveryapi | ||
|
|
||
| import ( | ||
| "testing" | ||
|
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| "k8s.io/apimachinery/pkg/runtime" | ||
| discoveryFake "k8s.io/client-go/discovery/fake" | ||
| "k8s.io/client-go/dynamic/fake" | ||
| ) | ||
|
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| func TestNewDiscoveryAPIClientValidEmpty(t *testing.T) { | ||
|
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| scheme := runtime.NewScheme() | ||
| clientset := fake.NewSimpleDynamicClient(scheme) | ||
| discoveryClient := discoveryFake.FakeDiscovery{} | ||
| testOpts := DiscoveryClient{ | ||
| ClientSet: clientset, | ||
| DiscoveryClient: &discoveryClient, | ||
| } | ||
|
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| err := testOpts.GetApiResources() | ||
| if err != nil { | ||
| t.Errorf("Unable to fetch API Resources") | ||
| } | ||
|
|
||
| } |