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[receiver/awscontainerinsightreceiver] Add new deployment and daemons…
…et metrics (open-telemetry#20)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,151 @@ | ||
| // Copyright OpenTelemetry Authors | ||
| // | ||
| // 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. | ||
|
|
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| package k8sclient // import "github.com/open-telemetry/opentelemetry-collector-contrib/internal/aws/k8s/k8sclient" | ||
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|
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| import ( | ||
| "context" | ||
| "fmt" | ||
| "go.uber.org/zap" | ||
| appsv1 "k8s.io/api/apps/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/apimachinery/pkg/watch" | ||
| "k8s.io/client-go/kubernetes" | ||
| "k8s.io/client-go/tools/cache" | ||
| "sync" | ||
| ) | ||
|
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| type DaemonSetClient interface { | ||
| // DaemonSetInfos contains the information about each daemon set in the cluster | ||
| DaemonSetInfos() []*DaemonSetInfo | ||
| } | ||
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| type noOpDaemonSetClient struct { | ||
| } | ||
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| func (nd *noOpDaemonSetClient) DaemonSetInfos() []*DaemonSetInfo { | ||
| return []*DaemonSetInfo{} | ||
| } | ||
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| func (nd *noOpDaemonSetClient) shutdown() { | ||
| } | ||
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| type daemonSetClientOption func(*daemonSetClient) | ||
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| func daemonSetSyncCheckerOption(checker initialSyncChecker) daemonSetClientOption { | ||
| return func(d *daemonSetClient) { | ||
| d.syncChecker = checker | ||
| } | ||
| } | ||
|
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| type daemonSetClient struct { | ||
| stopChan chan struct{} | ||
| stopped bool | ||
|
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| store *ObjStore | ||
|
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| syncChecker initialSyncChecker | ||
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| mu sync.RWMutex | ||
| daemonSetInfos []*DaemonSetInfo | ||
| } | ||
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| func (d *daemonSetClient) refresh() { | ||
| d.mu.Lock() | ||
| defer d.mu.Unlock() | ||
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| var daemonSetInfos []*DaemonSetInfo | ||
| objsList := d.store.List() | ||
| for _, obj := range objsList { | ||
| daemonSet, ok := obj.(*DaemonSetInfo) | ||
| if !ok { | ||
| continue | ||
| } | ||
| daemonSetInfos = append(daemonSetInfos, daemonSet) | ||
| } | ||
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| d.daemonSetInfos = daemonSetInfos | ||
| } | ||
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| func (d *daemonSetClient) DaemonSetInfos() []*DaemonSetInfo { | ||
| if d.store.GetResetRefreshStatus() { | ||
| d.refresh() | ||
| } | ||
| d.mu.RLock() | ||
| defer d.mu.RUnlock() | ||
| return d.daemonSetInfos | ||
| } | ||
|
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| func newDaemonSetClient(clientSet kubernetes.Interface, logger *zap.Logger, options ...daemonSetClientOption) (*daemonSetClient, error) { | ||
| d := &daemonSetClient{ | ||
| stopChan: make(chan struct{}), | ||
| } | ||
|
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| for _, option := range options { | ||
| option(d) | ||
| } | ||
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| ctx := context.Background() | ||
| if _, err := clientSet.AppsV1().DaemonSets(metav1.NamespaceAll).List(ctx, metav1.ListOptions{}); err != nil { | ||
| return nil, fmt.Errorf("cannot list DaemonSets. err: %w", err) | ||
| } | ||
|
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| d.store = NewObjStore(transformFuncDaemonSet, logger) | ||
| lw := createDaemonSetListWatch(clientSet, metav1.NamespaceAll) | ||
| reflector := cache.NewReflector(lw, &appsv1.DaemonSet{}, d.store, 0) | ||
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| go reflector.Run(d.stopChan) | ||
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| if d.syncChecker != nil { | ||
| // check the init sync for potential connection issue | ||
| d.syncChecker.Check(reflector, "DaemonSet initial sync timeout") | ||
| } | ||
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| return d, nil | ||
| } | ||
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| func (d *daemonSetClient) shutdown() { | ||
| close(d.stopChan) | ||
| d.stopped = true | ||
| } | ||
|
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| func transformFuncDaemonSet(obj interface{}) (interface{}, error) { | ||
| daemonSet, ok := obj.(*appsv1.DaemonSet) | ||
| if !ok { | ||
| return nil, fmt.Errorf("input obj %v is not DaemonSet type", obj) | ||
| } | ||
| info := new(DaemonSetInfo) | ||
| info.Name = daemonSet.Name | ||
| info.Namespace = daemonSet.Namespace | ||
| info.Status = &DaemonSetStatus{ | ||
| NumberAvailable: uint32(daemonSet.Status.NumberAvailable), | ||
| NumberUnavailable: uint32(daemonSet.Status.NumberUnavailable), | ||
| DesiredNumberScheduled: uint32(daemonSet.Status.DesiredNumberScheduled), | ||
| CurrentNumberScheduled: uint32(daemonSet.Status.CurrentNumberScheduled), | ||
| } | ||
| return info, nil | ||
| } | ||
|
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| func createDaemonSetListWatch(client kubernetes.Interface, ns string) cache.ListerWatcher { | ||
| ctx := context.Background() | ||
| return &cache.ListWatch{ | ||
| ListFunc: func(opts metav1.ListOptions) (runtime.Object, error) { | ||
| return client.AppsV1().DaemonSets(ns).List(ctx, opts) | ||
| }, | ||
| WatchFunc: func(opts metav1.ListOptions) (watch.Interface, error) { | ||
| return client.AppsV1().DaemonSets(ns).Watch(ctx, opts) | ||
| }, | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| // Copyright OpenTelemetry Authors | ||
| // | ||
| // 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 k8sclient // import "github.com/open-telemetry/opentelemetry-collector-contrib/internal/aws/k8s/k8sclient" | ||
|
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| type DaemonSetInfo struct { | ||
| Name string | ||
| Namespace string | ||
| Status *DaemonSetStatus | ||
| } | ||
|
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| type DaemonSetStatus struct { | ||
| NumberAvailable uint32 | ||
| NumberUnavailable uint32 | ||
| DesiredNumberScheduled uint32 | ||
| CurrentNumberScheduled uint32 | ||
| } |
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