/usr/share/gocode/src/github.com/docker/libnetwork/netutils/utils_solaris.go is in golang-github-docker-libnetwork-dev 0.8.0-dev.2+git20170202.599.45b4086-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | // +build solaris
package netutils
import (
"fmt"
"net"
"os/exec"
"strings"
"github.com/docker/libnetwork/ipamutils"
"github.com/vishvananda/netlink"
)
var (
networkGetRoutesFct func(netlink.Link, int) ([]netlink.Route, error)
)
// CheckRouteOverlaps checks whether the passed network overlaps with any existing routes
func CheckRouteOverlaps(toCheck *net.IPNet) error {
return nil
}
// ElectInterfaceAddresses looks for an interface on the OS with the specified name
// and returns returns all its IPv4 and IPv6 addresses in CIDR notation.
// If a failure in retrieving the addresses or no IPv4 address is found, an error is returned.
// If the interface does not exist, it chooses from a predefined
// list the first IPv4 address which does not conflict with other
// interfaces on the system.
func ElectInterfaceAddresses(name string) ([]*net.IPNet, []*net.IPNet, error) {
var (
v4Net *net.IPNet
)
out, err := exec.Command("/usr/sbin/ipadm", "show-addr",
"-p", "-o", "addrobj,addr").Output()
if err != nil {
fmt.Println("failed to list interfaces on system")
return nil, nil, err
}
alist := strings.Fields(string(out))
for _, a := range alist {
linkandaddr := strings.SplitN(a, ":", 2)
if len(linkandaddr) != 2 {
fmt.Println("failed to check interfaces on system: ", a)
continue
}
gw := fmt.Sprintf("%s_gw0", name)
link := strings.Split(linkandaddr[0], "/")[0]
addr := linkandaddr[1]
if gw != link {
continue
}
_, ipnet, err := net.ParseCIDR(addr)
if err != nil {
fmt.Println("failed to parse address: ", addr)
continue
}
v4Net = ipnet
break
}
if v4Net == nil {
v4Net, err = FindAvailableNetwork(ipamutils.PredefinedBroadNetworks)
if err != nil {
return nil, nil, err
}
}
return []*net.IPNet{v4Net}, nil, nil
}
// FindAvailableNetwork returns a network from the passed list which does not
// overlap with existing interfaces in the system
func FindAvailableNetwork(list []*net.IPNet) (*net.IPNet, error) {
out, err := exec.Command("/usr/sbin/ipadm", "show-addr",
"-p", "-o", "addr").Output()
if err != nil {
fmt.Println("failed to list interfaces on system")
return nil, err
}
ipaddrs := strings.Fields(string(out))
inuse := []*net.IPNet{}
for _, ip := range ipaddrs {
_, ipnet, err := net.ParseCIDR(ip)
if err != nil {
fmt.Println("failed to check interfaces on system: ", ip)
continue
}
inuse = append(inuse, ipnet)
}
for _, avail := range list {
is_avail := true
for _, ipnet := range inuse {
if NetworkOverlaps(avail, ipnet) {
is_avail = false
break
}
}
if is_avail {
return avail, nil
}
}
return nil, fmt.Errorf("no available network")
}
|