k8sclient

Documentation

Index

• type ClusterStatus
• type K8sClient
  • func NewK8sClient(clientset kubernetes.Interface, namespace, target string, nodelabels string) (K8sClient, error)
• type MockK8sClient
  • func (k *MockK8sClient) CreateConfigMap(namespace, configmap string, params map[string]string) (*v1.ConfigMap, error)
  • func (k *MockK8sClient) FetchConfigMap(namespace, configmap string) (*v1.ConfigMap, error)
  • func (k *MockK8sClient) GetClusterStatus() (*ClusterStatus, error)
  • func (k *MockK8sClient) GetNamespace() string
  • func (k *MockK8sClient) UpdateConfigMap(namespace, configmap string, params map[string]string) (*v1.ConfigMap, error)
  • func (k *MockK8sClient) UpdateReplicas(expReplicas int32) (int32, error)

Types

type ClusterStatus

type ClusterStatus struct {
	TotalNodes       int32
	SchedulableNodes int32
	TotalCores       int32
	SchedulableCores int32
}

ClusterStatus defines the cluster status

type K8sClient

type K8sClient interface {
	// FetchConfigMap fetches the requested configmap from the Apiserver
	FetchConfigMap(namespace, configmap string) (*v1.ConfigMap, error)
	// CreateConfigMap creates a configmap with given namespace, name and params
	CreateConfigMap(namespace, configmap string, params map[string]string) (*v1.ConfigMap, error)
	// UpdateConfigMap updates a configmap with given namespace, name and params
	UpdateConfigMap(namespace, configmap string, params map[string]string) (*v1.ConfigMap, error)
	// GetClusterStatus counts schedulable nodes and cores in the cluster
	GetClusterStatus() (clusterStatus *ClusterStatus, err error)
	// GetNamespace returns the namespace of target resource.
	GetNamespace() (namespace string)
	// UpdateReplicas updates the number of replicas for the resource and return the previous replicas count
	UpdateReplicas(expReplicas int32) (prevReplicas int32, err error)
}

K8sClient - Wraps all needed client functionalities for autoscaler

func NewK8sClient

func NewK8sClient(clientset kubernetes.Interface, namespace, target string, nodelabels string) (K8sClient, error)

NewK8sClient gives a k8sClient with the given dependencies.

type MockK8sClient

type MockK8sClient struct {
	NumOfNodes        int
	NumOfCores        int
	NumOfReplicas     int
	ConfigMap         *v1.ConfigMap
	FetchConfigMapFn  func(namespace, configmap string) (*v1.ConfigMap, error)
	CreateConfigMapFn func(namespace, configmap string, params map[string]string) (*v1.ConfigMap, error)
}

MockK8sClient implements K8sClientInterface

func (*MockK8sClient) CreateConfigMap

func (k *MockK8sClient) CreateConfigMap(namespace, configmap string, params map[string]string) (*v1.ConfigMap, error)

CreateConfigMap mocks creating a configmap with given namespace, name and params

func (*MockK8sClient) FetchConfigMap

func (k *MockK8sClient) FetchConfigMap(namespace, configmap string) (*v1.ConfigMap, error)

FetchConfigMap mocks fetching the requested configmap from the Apiserver

func (*MockK8sClient) GetClusterStatus

func (k *MockK8sClient) GetClusterStatus() (*ClusterStatus, error)

GetClusterStatus mocks counting schedulable nodes and cores in the cluster

func (*MockK8sClient) GetNamespace

func (k *MockK8sClient) GetNamespace() string

GetNamespace mocks returning the namespace of target resource.

func (*MockK8sClient) UpdateConfigMap

func (k *MockK8sClient) UpdateConfigMap(namespace, configmap string, params map[string]string) (*v1.ConfigMap, error)

UpdateConfigMap mocks updating a configmap with given namespace, name and params

func (*MockK8sClient) UpdateReplicas

func (k *MockK8sClient) UpdateReplicas(expReplicas int32) (int32, error)

UpdateReplicas mocks updating the number of replicas for the resource and return the previous replicas count