VOL-381 add unum container to support ONOS cluster formation under swarm
Change-Id: Ic260edda19bb199ed040f05164ab605f28c919d0
diff --git a/unum/vendor/github.com/docker/go-connections/nat/nat.go b/unum/vendor/github.com/docker/go-connections/nat/nat.go
new file mode 100644
index 0000000..4d5f5ae
--- /dev/null
+++ b/unum/vendor/github.com/docker/go-connections/nat/nat.go
@@ -0,0 +1,242 @@
+// Package nat is a convenience package for manipulation of strings describing network ports.
+package nat
+
+import (
+ "fmt"
+ "net"
+ "strconv"
+ "strings"
+)
+
+const (
+ // portSpecTemplate is the expected format for port specifications
+ portSpecTemplate = "ip:hostPort:containerPort"
+)
+
+// PortBinding represents a binding between a Host IP address and a Host Port
+type PortBinding struct {
+ // HostIP is the host IP Address
+ HostIP string `json:"HostIp"`
+ // HostPort is the host port number
+ HostPort string
+}
+
+// PortMap is a collection of PortBinding indexed by Port
+type PortMap map[Port][]PortBinding
+
+// PortSet is a collection of structs indexed by Port
+type PortSet map[Port]struct{}
+
+// Port is a string containing port number and protocol in the format "80/tcp"
+type Port string
+
+// NewPort creates a new instance of a Port given a protocol and port number or port range
+func NewPort(proto, port string) (Port, error) {
+ // Check for parsing issues on "port" now so we can avoid having
+ // to check it later on.
+
+ portStartInt, portEndInt, err := ParsePortRangeToInt(port)
+ if err != nil {
+ return "", err
+ }
+
+ if portStartInt == portEndInt {
+ return Port(fmt.Sprintf("%d/%s", portStartInt, proto)), nil
+ }
+ return Port(fmt.Sprintf("%d-%d/%s", portStartInt, portEndInt, proto)), nil
+}
+
+// ParsePort parses the port number string and returns an int
+func ParsePort(rawPort string) (int, error) {
+ if len(rawPort) == 0 {
+ return 0, nil
+ }
+ port, err := strconv.ParseUint(rawPort, 10, 16)
+ if err != nil {
+ return 0, err
+ }
+ return int(port), nil
+}
+
+// ParsePortRangeToInt parses the port range string and returns start/end ints
+func ParsePortRangeToInt(rawPort string) (int, int, error) {
+ if len(rawPort) == 0 {
+ return 0, 0, nil
+ }
+ start, end, err := ParsePortRange(rawPort)
+ if err != nil {
+ return 0, 0, err
+ }
+ return int(start), int(end), nil
+}
+
+// Proto returns the protocol of a Port
+func (p Port) Proto() string {
+ proto, _ := SplitProtoPort(string(p))
+ return proto
+}
+
+// Port returns the port number of a Port
+func (p Port) Port() string {
+ _, port := SplitProtoPort(string(p))
+ return port
+}
+
+// Int returns the port number of a Port as an int
+func (p Port) Int() int {
+ portStr := p.Port()
+ // We don't need to check for an error because we're going to
+ // assume that any error would have been found, and reported, in NewPort()
+ port, _ := ParsePort(portStr)
+ return port
+}
+
+// Range returns the start/end port numbers of a Port range as ints
+func (p Port) Range() (int, int, error) {
+ return ParsePortRangeToInt(p.Port())
+}
+
+// SplitProtoPort splits a port in the format of proto/port
+func SplitProtoPort(rawPort string) (string, string) {
+ parts := strings.Split(rawPort, "/")
+ l := len(parts)
+ if len(rawPort) == 0 || l == 0 || len(parts[0]) == 0 {
+ return "", ""
+ }
+ if l == 1 {
+ return "tcp", rawPort
+ }
+ if len(parts[1]) == 0 {
+ return "tcp", parts[0]
+ }
+ return parts[1], parts[0]
+}
+
+func validateProto(proto string) bool {
+ for _, availableProto := range []string{"tcp", "udp"} {
+ if availableProto == proto {
+ return true
+ }
+ }
+ return false
+}
+
+// ParsePortSpecs receives port specs in the format of ip:public:private/proto and parses
+// these in to the internal types
+func ParsePortSpecs(ports []string) (map[Port]struct{}, map[Port][]PortBinding, error) {
+ var (
+ exposedPorts = make(map[Port]struct{}, len(ports))
+ bindings = make(map[Port][]PortBinding)
+ )
+ for _, rawPort := range ports {
+ portMappings, err := ParsePortSpec(rawPort)
+ if err != nil {
+ return nil, nil, err
+ }
+
+ for _, portMapping := range portMappings {
+ port := portMapping.Port
+ if _, exists := exposedPorts[port]; !exists {
+ exposedPorts[port] = struct{}{}
+ }
+ bslice, exists := bindings[port]
+ if !exists {
+ bslice = []PortBinding{}
+ }
+ bindings[port] = append(bslice, portMapping.Binding)
+ }
+ }
+ return exposedPorts, bindings, nil
+}
+
+// PortMapping is a data object mapping a Port to a PortBinding
+type PortMapping struct {
+ Port Port
+ Binding PortBinding
+}
+
+func splitParts(rawport string) (string, string, string) {
+ parts := strings.Split(rawport, ":")
+ n := len(parts)
+ containerport := parts[n-1]
+
+ switch n {
+ case 1:
+ return "", "", containerport
+ case 2:
+ return "", parts[0], containerport
+ case 3:
+ return parts[0], parts[1], containerport
+ default:
+ return strings.Join(parts[:n-2], ":"), parts[n-2], containerport
+ }
+}
+
+// ParsePortSpec parses a port specification string into a slice of PortMappings
+func ParsePortSpec(rawPort string) ([]PortMapping, error) {
+ var proto string
+ rawIP, hostPort, containerPort := splitParts(rawPort)
+ proto, containerPort = SplitProtoPort(containerPort)
+
+ // Strip [] from IPV6 addresses
+ ip, _, err := net.SplitHostPort(rawIP + ":")
+ if err != nil {
+ return nil, fmt.Errorf("Invalid ip address %v: %s", rawIP, err)
+ }
+ if ip != "" && net.ParseIP(ip) == nil {
+ return nil, fmt.Errorf("Invalid ip address: %s", ip)
+ }
+ if containerPort == "" {
+ return nil, fmt.Errorf("No port specified: %s<empty>", rawPort)
+ }
+
+ startPort, endPort, err := ParsePortRange(containerPort)
+ if err != nil {
+ return nil, fmt.Errorf("Invalid containerPort: %s", containerPort)
+ }
+
+ var startHostPort, endHostPort uint64 = 0, 0
+ if len(hostPort) > 0 {
+ startHostPort, endHostPort, err = ParsePortRange(hostPort)
+ if err != nil {
+ return nil, fmt.Errorf("Invalid hostPort: %s", hostPort)
+ }
+ }
+
+ if hostPort != "" && (endPort-startPort) != (endHostPort-startHostPort) {
+ // Allow host port range iff containerPort is not a range.
+ // In this case, use the host port range as the dynamic
+ // host port range to allocate into.
+ if endPort != startPort {
+ return nil, fmt.Errorf("Invalid ranges specified for container and host Ports: %s and %s", containerPort, hostPort)
+ }
+ }
+
+ if !validateProto(strings.ToLower(proto)) {
+ return nil, fmt.Errorf("Invalid proto: %s", proto)
+ }
+
+ ports := []PortMapping{}
+ for i := uint64(0); i <= (endPort - startPort); i++ {
+ containerPort = strconv.FormatUint(startPort+i, 10)
+ if len(hostPort) > 0 {
+ hostPort = strconv.FormatUint(startHostPort+i, 10)
+ }
+ // Set hostPort to a range only if there is a single container port
+ // and a dynamic host port.
+ if startPort == endPort && startHostPort != endHostPort {
+ hostPort = fmt.Sprintf("%s-%s", hostPort, strconv.FormatUint(endHostPort, 10))
+ }
+ port, err := NewPort(strings.ToLower(proto), containerPort)
+ if err != nil {
+ return nil, err
+ }
+
+ binding := PortBinding{
+ HostIP: ip,
+ HostPort: hostPort,
+ }
+ ports = append(ports, PortMapping{Port: port, Binding: binding})
+ }
+ return ports, nil
+}