Documentation
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Index ¶
Constants ¶
This section is empty.
Variables ¶
var ( // DefaultClusterUID is the uid to use for clusters resources created by an // L7 controller created without specifying the --cluster-uid flag. DefaultClusterUID = "" )
Functions ¶
func NewFakeClusterManager ¶
func NewFakeClusterManager(clusterName string) *fakeClusterManager
NewFakeClusterManager creates a new fake ClusterManager.
func NewTaskQueue ¶
func NewTaskQueue(syncFn func(string)) *taskQueue
NewTaskQueue creates a new task queue with the given sync function. The sync function is called for every element inserted into the queue.
Types ¶
type ClusterManager ¶
ClusterManager manages cluster resource pools.
func NewClusterManager ¶
func NewClusterManager( configFilePath string, name string, defaultBackendNodePort int64, defaultHealthCheckPath string) (*ClusterManager, error)
NewClusterManager creates a cluster manager for shared resources.
- name: is the name used to tag cluster wide shared resources. This is the string passed to glbc via --gce-cluster-name.
- defaultBackendNodePort: is the node port of glbc's default backend. This is the kubernetes Service that serves the 404 page if no urls match.
- defaultHealthCheckPath: is the default path used for L7 health checks, eg: "/healthz".
func (*ClusterManager) Checkpoint ¶
func (c *ClusterManager) Checkpoint(lbs []*loadbalancers.L7RuntimeInfo, nodeNames []string, nodePorts []int64) error
Checkpoint performs a checkpoint with the cloud.
- lbNames are the names of L7 loadbalancers we wish to exist. If they already exist, they should not have any broken links between say, a UrlMap and TargetHttpProxy.
- nodeNames are the names of nodes we wish to add to all loadbalancer instance groups.
- nodePorts are the ports for which we require BackendServices. Each of these ports must also be opened on the corresponding Instance Group.
If in performing the checkpoint the cluster manager runs out of quota, a googleapi 403 is returned.
func (*ClusterManager) GC ¶
func (c *ClusterManager) GC(lbNames []string, nodePorts []int64) error
GC garbage collects unused resources.
- lbNames are the names of L7 loadbalancers we wish to exist. Those not in this list are removed from the cloud.
- nodePorts are the ports for which we want BackendServies. BackendServices for ports not in this list are deleted.
This method ignores googleapi 404 errors (StatusNotFound).
func (*ClusterManager) Init ¶
func (c *ClusterManager) Init(tr *GCETranslator)
Init initializes the cluster manager.
func (*ClusterManager) IsHealthy ¶
func (c *ClusterManager) IsHealthy() (err error)
IsHealthy returns an error if the cluster manager is unhealthy.
type GCETranslator ¶
type GCETranslator struct {
*LoadBalancerController
}
GCETranslator helps with kubernetes -> gce api conversion.
func (*GCETranslator) GetZoneForNode ¶
func (t *GCETranslator) GetZoneForNode(name string) (string, error)
GetZoneForNode returns the zone for a given node by looking up its zone label.
func (*GCETranslator) HealthCheck ¶
func (t *GCETranslator) HealthCheck(port int64) (*compute.HttpHealthCheck, error)
HealthCheck returns the http readiness probe for the endpoint backing the given nodePort. If no probe is found it returns a health check with "" as the request path, callers are responsible for swapping this out for the appropriate default.
func (*GCETranslator) ListZones ¶
func (t *GCETranslator) ListZones() ([]string, error)
ListZones returns a list of zones this Kubernetes cluster spans.
type LoadBalancerController ¶
type LoadBalancerController struct {
// TODO: Watch secrets
CloudClusterManager *ClusterManager
// contains filtered or unexported fields
}
LoadBalancerController watches the kubernetes api and adds/removes services from the loadbalancer, via loadBalancerConfig.
func NewLoadBalancerController ¶
func NewLoadBalancerController(kubeClient *client.Client, clusterManager *ClusterManager, resyncPeriod time.Duration, namespace string) (*LoadBalancerController, error)
NewLoadBalancerController creates a controller for gce loadbalancers.
- kubeClient: A kubernetes REST client.
- clusterManager: A ClusterManager capable of creating all cloud resources required for L7 loadbalancing.
- resyncPeriod: Watchers relist from the Kubernetes API server this often.
func (*LoadBalancerController) ListRuntimeInfo ¶
func (lbc *LoadBalancerController) ListRuntimeInfo() (lbs []*loadbalancers.L7RuntimeInfo, err error)
ListRuntimeInfo lists L7RuntimeInfo as understood by the loadbalancer module.
func (*LoadBalancerController) Run ¶
func (lbc *LoadBalancerController) Run()
Run starts the loadbalancer controller.
func (*LoadBalancerController) Stop ¶
func (lbc *LoadBalancerController) Stop(deleteAll bool) error
Stop stops the loadbalancer controller. It also deletes cluster resources if deleteAll is true.
type PodsByCreationTimestamp ¶
PodsByCreationTimestamp sorts a list of Pods by creation timestamp, using their names as a tie breaker.
func (PodsByCreationTimestamp) Len ¶
func (o PodsByCreationTimestamp) Len() int
func (PodsByCreationTimestamp) Less ¶
func (o PodsByCreationTimestamp) Less(i, j int) bool
func (PodsByCreationTimestamp) Swap ¶
func (o PodsByCreationTimestamp) Swap(i, j int)
type StoreToIngressLister ¶
StoreToIngressLister makes a Store that lists Ingress. TODO: Move this to cache/listers post 1.1.
func (*StoreToIngressLister) GetServiceIngress ¶
func (s *StoreToIngressLister) GetServiceIngress(svc *api.Service) (ings []extensions.Ingress, err error)
GetServiceIngress gets all the Ingress' that have rules pointing to a service. Note that this ignores services without the right nodePorts.
func (*StoreToIngressLister) List ¶
func (s *StoreToIngressLister) List() (ing extensions.IngressList, err error)
List lists all Ingress' in the store.
Source Files