kubernetes

package
v1.5.1 Latest Latest
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 Go to latest Published: Apr 28, 2017 License: Apache-2.0 Imports: 154 Imported by: 0

Documentation

Overview

Package kubernetes provides objects for starting the Kubernetes master and node code.

Index

Constants

This section is empty.

Variables

View Source 
var LegacyAPIGroupPrefixes = sets.NewString(genericapiserver.DefaultLegacyAPIPrefix, api.Prefix, api.LegacyPrefix)

Functions

func BuildDefaultAPIServer added in v1.4.0 

func BuildDefaultAPIServer(options configapi.MasterConfig) (*apiserveroptions.ServerRunOptions, genericapiserver.StorageFactory, error)

BuildDefaultAPIServer constructs the appropriate APIServer and StorageFactory for the kubernetes server. It returns an error if no KubernetesMasterConfig was defined.

func DefaultOpenAPIConfig added in v1.5.0 

func DefaultOpenAPIConfig() *openapicommon.Config

func SetFakeCadvisorInterfaceForIntegrationTest added in v1.0.7 

func SetFakeCadvisorInterfaceForIntegrationTest()

SetFakeCadvisorInterfaceForIntegrationTest sets a fake cadvisor implementation to allow the node to run in integration tests

func SetFakeContainerManagerInterfaceForIntegrationTest added in v1.1.2 

func SetFakeContainerManagerInterfaceForIntegrationTest()

SetFakeContainerManagerInterfaceForIntegrationTest sets a fake container manager implementation to allow the node to run in integration tests

Types

type MasterConfig 

type MasterConfig struct {
	Options    configapi.KubernetesMasterConfig
	KubeClient kclientset.Interface

	Master            *master.Config
	ControllerManager *cmapp.CMServer
	SchedulerServer   *scheduleroptions.SchedulerServer
	CloudProvider     cloudprovider.Interface

	Informers shared.InformerFactory
}

MasterConfig defines the required values to start a Kubernetes master

func BuildKubernetesMasterConfig 

func BuildKubernetesMasterConfig(options configapi.MasterConfig, requestContextMapper kapi.RequestContextMapper, kubeClient kclientset.Interface, informers shared.InformerFactory, admissionControl admission.Interface, originAuthenticator authenticator.Request) (*MasterConfig, error)

func (*MasterConfig) RunCertificateSigningController added in v1.5.0 

func (c *MasterConfig) RunCertificateSigningController(clientset *kclientset.Clientset)

func (*MasterConfig) RunCronJobController added in v1.5.0 

func (c *MasterConfig) RunCronJobController(client kclientset.Interface)

RunCronJobController starts the Kubernetes scheduled job controller sync loop

func (*MasterConfig) RunDaemonSetsController added in v1.1.2 

func (c *MasterConfig) RunDaemonSetsController(client *kclientset.Clientset)

func (*MasterConfig) RunDeploymentController added in v1.3.0 

func (c *MasterConfig) RunDeploymentController(client *kclientset.Clientset)

func (*MasterConfig) RunDisruptionBudgetController added in v1.4.0 

func (c *MasterConfig) RunDisruptionBudgetController(client kclientset.Interface)

RunDisruptionBudgetController starts the Kubernetes disruption budget controller

func (*MasterConfig) RunEndpointController 

func (c *MasterConfig) RunEndpointController(client *kclientset.Clientset)

RunEndpointController starts the Kubernetes replication controller sync loop

func (*MasterConfig) RunGCController added in v1.1.5 

func (c *MasterConfig) RunGCController(client *kclientset.Clientset)

RunGCController handles deletion of terminated pods.

func (*MasterConfig) RunGarbageCollectorController added in v1.4.0 

func (c *MasterConfig) RunGarbageCollectorController(client *osclient.Client, config *restclient.Config)

RunGarbageCollectorController starts generic garbage collection for the cluster.

func (*MasterConfig) RunHPAController added in v1.0.7 

func (c *MasterConfig) RunHPAController(oc *osclient.Client, kc *kclientset.Clientset, heapsterNamespace string)

RunHPAController starts the Kubernetes hpa controller sync loop

func (*MasterConfig) RunJobController added in v1.0.7 

func (c *MasterConfig) RunJobController(client *kclientset.Clientset)

RunJobController starts the Kubernetes job controller sync loop

func (*MasterConfig) RunNamespaceController 

func (c *MasterConfig) RunNamespaceController(kubeClient kclientset.Interface, clientPool dynamic.ClientPool)

RunNamespaceController starts the Kubernetes Namespace Manager

func (*MasterConfig) RunNodeController 

func (c *MasterConfig) RunNodeController()

RunNodeController starts the node controller TODO: handle node CIDR and route allocation

func (*MasterConfig) RunPersistentVolumeAttachDetachController added in v1.3.0 

func (c *MasterConfig) RunPersistentVolumeAttachDetachController(client *kclientset.Clientset)

func (*MasterConfig) RunPersistentVolumeController added in v1.3.0 

func (c *MasterConfig) RunPersistentVolumeController(client *kclientset.Clientset, namespace, recyclerImageName, recyclerServiceAccountName string)

func (*MasterConfig) RunReplicaSetController added in v1.3.0 

func (c *MasterConfig) RunReplicaSetController(client *kclientset.Clientset)

func (*MasterConfig) RunReplicationController 

func (c *MasterConfig) RunReplicationController(client *kclientset.Clientset)

RunReplicationController starts the Kubernetes replication controller sync loop

func (*MasterConfig) RunScheduler 

func (c *MasterConfig) RunScheduler()

RunScheduler starts the Kubernetes scheduler

func (*MasterConfig) RunServiceLoadBalancerController added in v1.3.0 

func (c *MasterConfig) RunServiceLoadBalancerController(client *kclientset.Clientset)

RunServiceLoadBalancerController starts the service loadbalancer controller if the cloud provider is configured.

func (*MasterConfig) RunStatefulSetController added in v1.5.0 

func (c *MasterConfig) RunStatefulSetController(client kclientset.Interface)

RunStatefulSetController starts the StatefulSet controller

type NodeAuthorizerAttributesGetter added in v1.0.7 

type NodeAuthorizerAttributesGetter struct {
	// contains filtered or unexported fields
}

func (NodeAuthorizerAttributesGetter) GetRequestAttributes added in v1.0.7 

func (n NodeAuthorizerAttributesGetter) GetRequestAttributes(u user.Info, r *http.Request) kauthorizer.Attributes

GetRequestAttributes populates authorizer attributes for the requests to the kubelet API. Default attributes are {apiVersion=v1,verb=proxy,resource=nodes,resourceName=<node name>} More specific verb/resource is set for the following request patterns: 

/stats/*   => verb=<api verb from request>, resource=nodes/stats
/metrics/* => verb=<api verb from request>, resource=nodes/metrics
/logs/*    => verb=<api verb from request>, resource=nodes/log

type NodeConfig 

type NodeConfig struct {
	// BindAddress is the address to bind to
	BindAddress string
	// VolumeDir is the directory that volumes will be stored under
	VolumeDir string
	// AllowDisabledDocker if true, will make the Kubelet ignore errors from Docker
	AllowDisabledDocker bool
	// Containerized is true if we are expected to be running inside of a container
	Containerized bool

	// Client to connect to the master.
	Client *kclientset.Clientset
	// DockerClient is a client to connect to Docker
	DockerClient dockertools.DockerInterface
	// KubeletServer contains the KubeletServer configuration
	KubeletServer *kubeletoptions.KubeletServer
	// KubeletDeps are the injected code dependencies for the kubelet, fully initialized
	KubeletDeps *kubelet.KubeletDeps
	// ProxyConfig is the configuration for the kube-proxy, fully initialized
	ProxyConfig *proxyoptions.ProxyServerConfig
	// IPTablesSyncPeriod is how often iptable rules are refreshed
	IPTablesSyncPeriod string
	// EnableUnidling indicates whether or not the unidling hybrid proxy should be used
	EnableUnidling bool

	// ServiceStore is reused between proxy and DNS
	ServiceStore cache.Store
	// EndpointsStore is reused between proxy and DNS
	EndpointsStore cache.Store
	// ServicesReady is closed when the service and endpoint stores are ready to be used
	ServicesReady chan struct{}

	// DNSConfig controls the DNS configuration.
	DNSServer *dns.Server

	// SDNPlugin is an optional SDN plugin
	SDNPlugin *sdnplugin.OsdnNode
	// SDNProxy is an optional service endpoints filterer
	SDNProxy *sdnplugin.OsdnProxy
}

NodeConfig represents the required parameters to start the OpenShift node through Kubernetes. All fields are required.

func BuildKubernetesNodeConfig 

func BuildKubernetesNodeConfig(options configapi.NodeConfig, enableProxy, enableDNS bool) (*NodeConfig, error)

func (*NodeConfig) EnsureDocker 

func (c *NodeConfig) EnsureDocker(docker *dockerutil.Helper)

EnsureDocker attempts to connect to the Docker daemon defined by the helper, and if it is unable to it will print a warning.

func (*NodeConfig) EnsureKubeletAccess added in v1.1.4 

func (c *NodeConfig) EnsureKubeletAccess()

EnsureKubeletAccess performs a number of test operations that the Kubelet requires to properly function. All errors here are fatal.

func (*NodeConfig) EnsureLocalQuota added in v1.1.5 

func (c *NodeConfig) EnsureLocalQuota(nodeConfig configapi.NodeConfig)

EnsureLocalQuota checks if the node config specifies a local storage perFSGroup quota, and if so will test that the volumeDirectory is on a filesystem suitable for quota enforcement. If checks pass the k8s emptyDir volume plugin will be replaced with a wrapper version which adds quota functionality.

func (*NodeConfig) EnsureVolumeDir 

func (c *NodeConfig) EnsureVolumeDir()

EnsureVolumeDir attempts to convert the provided volume directory argument to an absolute path and create the directory if it does not exist. Will exit if an error is encountered.

func (*NodeConfig) HandleDockerError 

func (c *NodeConfig) HandleDockerError(message string)

HandleDockerError handles an an error from the docker daemon

func (*NodeConfig) RunDNS added in v1.3.0 

func (c *NodeConfig) RunDNS()

RunDNS starts the DNS server as soon as services are loaded.

func (*NodeConfig) RunKubelet 

func (c *NodeConfig) RunKubelet()

RunKubelet starts the Kubelet.

func (*NodeConfig) RunPlugin added in v1.1.4 

func (c *NodeConfig) RunPlugin()

RunPlugin starts the local SDN plugin, if enabled in configuration.

func (*NodeConfig) RunProxy 

func (c *NodeConfig) RunProxy()

RunProxy starts the proxy

func (*NodeConfig) RunServiceStores added in v1.3.0 

func (c *NodeConfig) RunServiceStores(enableProxy, enableDNS bool)

RunServiceStores retrieves service info from the master, and closes the ServicesReady channel when done.

type ProxyConfig 

type ProxyConfig struct {
	ClientConfig *restclient.Config
}

func (*ProxyConfig) InstallAPI 

func (c *ProxyConfig) InstallAPI(container *restful.Container) ([]string, error)

Source Files

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