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* Added UDP LB support (for GCE)

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This commit is contained in:
Kenneth Shelton
2015-09-28 13:57:58 -07:00
parent 671b5982cf
commit d399a8f8cc
21 changed files with 293 additions and 146 deletions
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24
pkg/cloudprovider/cloud.go
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@@ -27,8 +27,8 @@ import (
// Interface is an abstract, pluggable interface for cloud providers.
type Interface interface {
// TCPLoadBalancer returns a balancer interface. Also returns true if the interface is supported, false otherwise.
TCPLoadBalancer() (TCPLoadBalancer, bool)
// LoadBalancer returns a balancer interface. Also returns true if the interface is supported, false otherwise.
LoadBalancer() (LoadBalancer, bool)
// Instances returns an instances interface. Also returns true if the interface is supported, false otherwise.
Instances() (Instances, bool)
// Zones returns a zones interface. Also returns true if the interface is supported, false otherwise.
@@ -76,23 +76,23 @@ func GetInstanceProviderID(cloud Interface, nodeName string) (string, error) {
return cloud.ProviderName() + "://" + instanceID, nil
}
// TCPLoadBalancer is an abstract, pluggable interface for TCP load balancers.
type TCPLoadBalancer interface {
// LoadBalancer is an abstract, pluggable interface for load balancers.
type LoadBalancer interface {
// TODO: Break this up into different interfaces (LB, etc) when we have more than one type of service
// GetTCPLoadBalancer returns whether the specified load balancer exists, and
// GetLoadBalancer returns whether the specified load balancer exists, and
// if so, what its status is.
GetTCPLoadBalancer(name, region string) (status *api.LoadBalancerStatus, exists bool, err error)
// EnsureTCPLoadBalancer creates a new tcp load balancer, or updates an existing one. Returns the status of the balancer
EnsureTCPLoadBalancer(name, region string, loadBalancerIP net.IP, ports []*api.ServicePort, hosts []string, affinityType api.ServiceAffinity) (*api.LoadBalancerStatus, error)
// UpdateTCPLoadBalancer updates hosts under the specified load balancer.
UpdateTCPLoadBalancer(name, region string, hosts []string) error
// EnsureTCPLoadBalancerDeleted deletes the specified load balancer if it
GetLoadBalancer(name, region string) (status *api.LoadBalancerStatus, exists bool, err error)
// EnsureLoadBalancer creates a new load balancer, or updates an existing one. Returns the status of the balancer
EnsureLoadBalancer(name, region string, loadBalancerIP net.IP, ports []*api.ServicePort, hosts []string, affinityType api.ServiceAffinity) (*api.LoadBalancerStatus, error)
// UpdateLoadBalancer updates hosts under the specified load balancer.
UpdateLoadBalancer(name, region string, hosts []string) error
// EnsureLoadBalancerDeleted deletes the specified load balancer if it
// exists, returning nil if the load balancer specified either didn't exist or
// was successfully deleted.
// This construction is useful because many cloud providers' load balancers
// have multiple underlying components, meaning a Get could say that the LB
// doesn't exist even if some part of it is still laying around.
EnsureTCPLoadBalancerDeleted(name, region string) error
EnsureLoadBalancerDeleted(name, region string) error
}
// Instances is an abstract, pluggable interface for sets of instances.