![]() libnetwork agent mode is a mode where libnetwork can act as a local agent for network and discovery plumbing alone while the state management is done elsewhere. This completes the support for making libnetwork and its associated drivers to be completely independent of a k/v store(if needed) and work purely based on the state information passed along by some some external controller or manager. This does not mean that libnetwork support for decentralized state management via a k/v store is removed. Signed-off-by: Jana Radhakrishnan <mrjana@docker.com> |
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.. | ||
Godeps | ||
api | ||
bitseq | ||
client | ||
cmd | ||
config | ||
datastore | ||
discoverapi | ||
docs | ||
driverapi | ||
drivers | ||
drvregistry | ||
etchosts | ||
hostdiscovery | ||
idm | ||
ipam | ||
ipamapi | ||
ipams | ||
ipamutils | ||
iptables | ||
netlabel | ||
netutils | ||
networkdb | ||
ns | ||
options | ||
osl | ||
portallocator | ||
portmapper | ||
resolvconf | ||
test/integration | ||
testutils | ||
types | ||
.dockerignore | ||
.gitignore | ||
CHANGELOG.md | ||
Dockerfile.build | ||
LICENSE | ||
MAINTAINERS | ||
Makefile | ||
README.md | ||
ROADMAP.md | ||
Vagrantfile | ||
agent.go | ||
circle.yml | ||
controller.go | ||
default_gateway.go | ||
default_gateway_freebsd.go | ||
default_gateway_linux.go | ||
default_gateway_solaris.go | ||
default_gateway_windows.go | ||
drivers_experimental_linux.go | ||
drivers_freebsd.go | ||
drivers_linux.go | ||
drivers_solaris.go | ||
drivers_stub_linux.go | ||
drivers_windows.go | ||
endpoint.go | ||
endpoint_cnt.go | ||
endpoint_info.go | ||
error.go | ||
errors_test.go | ||
libnetwork_internal_test.go | ||
libnetwork_test.go | ||
machines | ||
network.go | ||
resolver.go | ||
resolver_unix.go | ||
resolver_windows.go | ||
sandbox.go | ||
sandbox_dns_unix.go | ||
sandbox_dns_windows.go | ||
sandbox_externalkey.go | ||
sandbox_externalkey_solaris.go | ||
sandbox_externalkey_unix.go | ||
sandbox_externalkey_windows.go | ||
sandbox_store.go | ||
sandbox_test.go | ||
store.go | ||
store_test.go | ||
wrapmake.sh |
README.md
libnetwork - networking for containers
Libnetwork provides a native Go implementation for connecting containers
The goal of libnetwork is to deliver a robust Container Network Model that provides a consistent programming interface and the required network abstractions for applications.
Design
Please refer to the design for more information.
Using libnetwork
There are many networking solutions available to suit a broad range of use-cases. libnetwork uses a driver / plugin model to support all of these solutions while abstracting the complexity of the driver implementations by exposing a simple and consistent Network Model to users.
func main() {
if reexec.Init() {
return
}
// Select and configure the network driver
networkType := "bridge"
// Create a new controller instance
driverOptions := options.Generic{}
genericOption := make(map[string]interface{})
genericOption[netlabel.GenericData] = driverOptions
controller, err := libnetwork.New(config.OptionDriverConfig(networkType, genericOption))
if err != nil {
log.Fatalf("libnetwork.New: %s", err)
}
// Create a network for containers to join.
// NewNetwork accepts Variadic optional arguments that libnetwork and Drivers can use.
network, err := controller.NewNetwork(networkType, "network1", "")
if err != nil {
log.Fatalf("controller.NewNetwork: %s", err)
}
// For each new container: allocate IP and interfaces. The returned network
// settings will be used for container infos (inspect and such), as well as
// iptables rules for port publishing. This info is contained or accessible
// from the returned endpoint.
ep, err := network.CreateEndpoint("Endpoint1")
if err != nil {
log.Fatalf("network.CreateEndpoint: %s", err)
}
// Create the sandbox for the container.
// NewSandbox accepts Variadic optional arguments which libnetwork can use.
sbx, err := controller.NewSandbox("container1",
libnetwork.OptionHostname("test"),
libnetwork.OptionDomainname("docker.io"))
if err != nil {
log.Fatalf("controller.NewSandbox: %s", err)
}
// A sandbox can join the endpoint via the join api.
err = ep.Join(sbx)
if err != nil {
log.Fatalf("ep.Join: %s", err)
}
// libnetwork client can check the endpoint's operational data via the Info() API
epInfo, err := ep.DriverInfo()
if err != nil {
log.Fatalf("ep.DriverInfo: %s", err)
}
macAddress, ok := epInfo[netlabel.MacAddress]
if !ok {
log.Fatalf("failed to get mac address from endpoint info")
}
fmt.Printf("Joined endpoint %s (%s) to sandbox %s (%s)\n", ep.Name(), macAddress, sbx.ContainerID(), sbx.Key())
}
Future
Please refer to roadmap for more information.
Contributing
Want to hack on libnetwork? Docker's contributions guidelines apply.
Copyright and license
Code and documentation copyright 2015 Docker, inc. Code released under the Apache 2.0 license. Docs released under Creative commons.