62 lines
1.8 KiB
Go
62 lines
1.8 KiB
Go
package main
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import (
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"fmt"
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"github.com/docker/libnetwork"
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"github.com/docker/libnetwork/netutils"
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"github.com/docker/libnetwork/pkg/options"
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)
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func main() {
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// Create a new controller instance
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controller := libnetwork.New()
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// Select and configure the network driver
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networkType := "bridge"
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driverOptions := options.Generic{}
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genericOption := make(map[string]interface{})
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genericOption[options.GenericData] = driverOptions
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err := controller.ConfigureNetworkDriver(networkType, genericOption)
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if err != nil {
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return
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}
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// Create a network for containers to join.
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// NewNetwork accepts Variadic optional arguments that libnetwork and Drivers can make of
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network, err := controller.NewNetwork(networkType, "network1")
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if err != nil {
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return
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}
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// For each new container: allocate IP and interfaces. The returned network
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// settings will be used for container infos (inspect and such), as well as
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// iptables rules for port publishing. This info is contained or accessible
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// from the returned endpoint.
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ep, err := network.CreateEndpoint("Endpoint1")
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if err != nil {
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return
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}
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// A container can join the endpoint by providing the container ID to the join
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// api which returns the sandbox key which can be used to access the sandbox
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// created for the container during join.
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// Join acceps Variadic arguments which will be made use of by libnetwork and Drivers
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_, err = ep.Join("container1",
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libnetwork.JoinOptionHostname("test"),
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libnetwork.JoinOptionDomainname("docker.io"))
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if err != nil {
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return
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}
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// libentwork client can check the endpoint's operational data via the Info() API
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epInfo, err := ep.Info()
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mapData, ok := epInfo[options.PortMap]
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if ok {
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portMapping, ok := mapData.([]netutils.PortBinding)
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if ok {
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fmt.Printf("Current port mapping for endpoint %s: %v", ep.Name(), portMapping)
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}
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}
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}
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