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Initial draft for client-go abstraction.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,120 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| "github.com/cloud-bulldozer/go-commons/k8s" | ||
| log "github.com/sirupsen/logrus" | ||
| appsv1 "k8s.io/api/apps/v1" | ||
| v1 "k8s.io/api/core/v1" | ||
| ) | ||
|
|
||
| func main() { | ||
| // Usage on common Kubernetes Repository | ||
| kubeRepo, err := k8s.NewKubernetesRepository() | ||
| if err != nil { | ||
| log.Info("Some error occured") | ||
| } | ||
| log.Infof("kube Repo object : %+v", kubeRepo) | ||
|
|
||
| var res k8s.Resource = &kubeRepo.Deployment | ||
| if _, ok := res.(*k8s.DeploymentResource); ok { | ||
| fmt.Printf("DeploymentResource implements Resource interface. %+v", res) | ||
| } else { | ||
| fmt.Printf("DeploymentResource does not implement Resource interface. %+v", res) | ||
| } | ||
| deploymentParams := k8s.DeploymentParams{ | ||
| Name: "testdeployment", | ||
| Namespace: "default", | ||
| Replicas: 2, | ||
| SelectorLabels: "app=test", | ||
| MetadataLabels: "app=test", | ||
| NodeSelectorLabels: "app=test", | ||
| Containers: []v1.Container{ | ||
| { | ||
| Name: "sleep", | ||
| Image: "gcr.io/google_containers/pause-amd64:3.0", | ||
| ImagePullPolicy: v1.PullAlways, | ||
| }, | ||
| }, | ||
| } | ||
| deployParams, err := kubeRepo.Deployment.Create(context.Background(), deploymentParams, false) | ||
| if err != nil { | ||
| fmt.Println("Error creating Deployment:", err) | ||
| } | ||
| log.Infof("Created Deployment: %+v", deployParams.(k8s.DeploymentParams).Name) | ||
|
|
||
| deploymentParams = k8s.DeploymentParams{ | ||
| Name: "testdeployment", | ||
| Namespace: "default", | ||
| SelectorLabels: "app=test", | ||
| MetadataLabels: "app=test", | ||
| Replicas: 4, | ||
| Containers: []v1.Container{ | ||
| { | ||
| Name: "sleep", | ||
| Image: "gcr.io/google_containers/pause-amd64:3.0", | ||
| ImagePullPolicy: v1.PullAlways, | ||
| }, | ||
| }, | ||
| } | ||
| deployParams, err = kubeRepo.Deployment.Update(context.Background(), deploymentParams, false) | ||
| if err != nil { | ||
| fmt.Println("Error Updating Deployment:", err) | ||
| } | ||
| log.Infof("Updated Deployment: %+v", deployParams.(k8s.DeploymentParams).Name) | ||
|
|
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| deploymentParams = k8s.DeploymentParams{ | ||
| Deployment: deployParams.(k8s.DeploymentParams).Deployment, | ||
| } | ||
|
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| deployment, error := kubeRepo.Deployment.Get(context.Background(), deploymentParams) | ||
| if error != nil { | ||
| fmt.Println("Error Getting Deployment:", error) | ||
| } | ||
| log.Infof("Got Deployment: %+v", deployment.(*appsv1.Deployment)) | ||
|
|
||
| deploymentParams = k8s.DeploymentParams{ | ||
| Name: "testdeployment", | ||
| Namespace: "default", | ||
| } | ||
| err = kubeRepo.Deployment.Delete(context.Background(), deploymentParams) | ||
| if err != nil { | ||
| fmt.Println("Error Deleting Deployment:", err) | ||
| } | ||
| log.Infof("Deleted Deployment: %+v", deploymentParams.Name) | ||
|
|
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| // Usage of individual component explicitly | ||
| deploymentResource := &k8s.DeploymentResource{} | ||
| deployment_dup := k8s.DeploymentParams{ | ||
| Name: "testdeployment", | ||
| Namespace: "default", | ||
| Replicas: 2, | ||
| SelectorLabels: "app=test", | ||
| MetadataLabels: "app=test", | ||
| NodeSelectorLabels: "app=test", | ||
| Containers: []v1.Container{ | ||
| { | ||
| Name: "sleep", | ||
| Image: "gcr.io/google_containers/pause-amd64:3.0", | ||
| ImagePullPolicy: v1.PullAlways, | ||
| }, | ||
| }, | ||
| } | ||
| deployParams, err = deploymentResource.Create(context.Background(), deployment_dup, false) | ||
| if err != nil { | ||
| fmt.Println("Error creating Deployment:", err) | ||
| } | ||
| log.Infof("Created Deployment: %+v", deployParams.(k8s.DeploymentParams).Name) | ||
|
|
||
| deploymentParams = k8s.DeploymentParams{ | ||
| Name: "testdeployment", | ||
| Namespace: "default", | ||
| } | ||
| err = deploymentResource.Delete(context.Background(), deploymentParams) | ||
| if err != nil { | ||
| fmt.Println("Error Deleting Deployment:", err) | ||
| } | ||
| log.Infof("Deleted Deployment: %+v", deploymentParams.Name) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| package k8s | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| "k8s.io/client-go/kubernetes" | ||
| ) | ||
|
|
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| // Common params shared across the class | ||
| type DeamonSetResource struct { | ||
| clientSet *kubernetes.Clientset | ||
| // DeamonSet resource attributes and metadata | ||
| } | ||
|
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| // DeamonSet specific params | ||
| type DeamonSetParams struct { | ||
| } | ||
|
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| func (p *DeamonSetResource) Create(ctx context.Context, DeamonSetParams interface{}, dryRun bool) (interface{}, error) { | ||
| fmt.Println("Create DeamonSet here") | ||
| return nil, nil | ||
| } | ||
|
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| func (p *DeamonSetResource) Update(ctx context.Context, DeamonSetParams interface{}, dryRun bool) (interface{}, error) { | ||
| fmt.Println("Updating DeamonSet here") | ||
| return nil, nil | ||
| } | ||
|
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| func (p *DeamonSetResource) Get(ctx context.Context, DeamonSetParams interface{}) (interface{}, error) { | ||
| fmt.Println("Getting DeamonSet here") | ||
| return nil, nil | ||
| } | ||
|
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| func (p *DeamonSetResource) Delete(ctx context.Context, DeamonSetParams interface{}) error { | ||
| fmt.Println("Deleting DeamonSet here") | ||
| return nil | ||
| } |
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