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moby--moby/daemon/network/settings.go
Daniel Nephin 4f0d95fa6e Add canonical import comment
Signed-off-by: Daniel Nephin <dnephin@docker.com>
2018-02-05 16:51:57 -05:00

69 lines
2.3 KiB
Go

package network // import "github.com/docker/docker/daemon/network"
import (
"net"
networktypes "github.com/docker/docker/api/types/network"
clustertypes "github.com/docker/docker/daemon/cluster/provider"
"github.com/docker/go-connections/nat"
"github.com/pkg/errors"
)
// Settings stores configuration details about the daemon network config
// TODO Windows. Many of these fields can be factored out.,
type Settings struct {
Bridge string
SandboxID string
HairpinMode bool
LinkLocalIPv6Address string
LinkLocalIPv6PrefixLen int
Networks map[string]*EndpointSettings
Service *clustertypes.ServiceConfig
Ports nat.PortMap
SandboxKey string
SecondaryIPAddresses []networktypes.Address
SecondaryIPv6Addresses []networktypes.Address
IsAnonymousEndpoint bool
HasSwarmEndpoint bool
}
// EndpointSettings is a package local wrapper for
// networktypes.EndpointSettings which stores Endpoint state that
// needs to be persisted to disk but not exposed in the api.
type EndpointSettings struct {
*networktypes.EndpointSettings
IPAMOperational bool
}
// AttachmentStore stores the load balancer IP address for a network id.
type AttachmentStore struct {
//key: networkd id
//value: load balancer ip address
networkToNodeLBIP map[string]net.IP
}
// ResetAttachments clears any existing load balancer IP to network mapping and
// sets the mapping to the given attachments.
func (store *AttachmentStore) ResetAttachments(attachments map[string]string) error {
store.ClearAttachments()
for nid, nodeIP := range attachments {
ip, _, err := net.ParseCIDR(nodeIP)
if err != nil {
store.networkToNodeLBIP = make(map[string]net.IP)
return errors.Wrapf(err, "Failed to parse load balancer address %s", nodeIP)
}
store.networkToNodeLBIP[nid] = ip
}
return nil
}
// ClearAttachments clears all the mappings of network to load balancer IP Address.
func (store *AttachmentStore) ClearAttachments() {
store.networkToNodeLBIP = make(map[string]net.IP)
}
// GetIPForNetwork return the load balancer IP address for the given network.
func (store *AttachmentStore) GetIPForNetwork(networkID string) (net.IP, bool) {
ip, exists := store.networkToNodeLBIP[networkID]
return ip, exists
}