moby/libnetwork/service.go
Jana Radhakrishnan d05adebf30 Add loadbalancer support
This PR adds support for loadbalancing across a group of endpoints that
share the same service configuration as passed in by
`OptionService`. The loadbalancer is implemented using ipvs with just
round robin scheduling supported for now.

Signed-off-by: Jana Radhakrishnan <mrjana@docker.com>
2016-05-26 13:05:58 -07:00

32 lines
601 B
Go

package libnetwork
import (
"net"
"sync"
)
var (
// A global monotonic counter to assign firewall marks to
// services.
fwMarkCtr uint32 = 256
fwMarkCtrMu sync.Mutex
)
type service struct {
name string // Service Name
id string // Service ID
// Map of loadbalancers for the service one-per attached
// network. It is keyed with network ID.
loadBalancers map[string]*loadBalancer
sync.Mutex
}
type loadBalancer struct {
vip net.IP
fwMark uint32
// Map of backend IPs backing this loadbalancer on this
// network. It is keyed with endpoint ID.
backEnds map[string]net.IP
}