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Vendor docker/docker, fsouza and more #2

Browse Source 
Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com>

Vendors in fsouza/docker-client, docker/docker and
a few more related. Of particular note, changes to the TweakCapabilities()
function from docker/docker along with the parse.IDMappingOptions() function
from Buildah. Please pay particular attention to the related changes in
the call from libpod to those functions during the review.

Passes baseline tests.
This commit is contained in:
TomSweeneyRedHat
2019-03-13 11:40:24 -04:00
parent 8b3f759800
commit 8f418f1568
334 changed files with 4537 additions and 1972 deletions
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# libnetwork - networking for containers
[![Circle CI](https://circleci.com/gh/docker/libnetwork/tree/master.svg?style=svg)](https://circleci.com/gh/docker/libnetwork/tree/master) [![Coverage Status](https://coveralls.io/repos/docker/libnetwork/badge.svg)](https://coveralls.io/r/docker/libnetwork) [![GoDoc](https://godoc.org/github.com/docker/libnetwork?status.svg)](https://godoc.org/github.com/docker/libnetwork) [![Go Report Card](https://goreportcard.com/badge/github.com/docker/libnetwork)](https://goreportcard.com/report/github.com/docker/libnetwork)
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](docs/design.md) 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.
```go
import (
"fmt"
"log"
"github.com/docker/docker/pkg/reexec"
"github.com/docker/libnetwork"
"github.com/docker/libnetwork/config"
"github.com/docker/libnetwork/netlabel"
"github.com/docker/libnetwork/options"
)
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](ROADMAP.md) for more information.
## Contributing
Want to hack on libnetwork? [Docker's contributions guidelines](https://github.com/docker/docker/blob/master/CONTRIBUTING.md) apply.
## Copyright and license
Code and documentation copyright 2015 Docker, inc. Code released under the Apache 2.0 license. Docs released under Creative commons.

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// Package ipamutils provides utility functions for ipam management
package ipamutils
import (
"fmt"
"net"
"sync"
)
var (
// PredefinedLocalScopeDefaultNetworks contains a list of 31 IPv4 private networks with host size 16 and 12
// (172.17-31.x.x/16, 192.168.x.x/20) which do not overlap with the networks in `PredefinedGlobalScopeDefaultNetworks`
PredefinedLocalScopeDefaultNetworks []*net.IPNet
// PredefinedGlobalScopeDefaultNetworks contains a list of 64K IPv4 private networks with host size 8
// (10.x.x.x/24) which do not overlap with the networks in `PredefinedLocalScopeDefaultNetworks`
PredefinedGlobalScopeDefaultNetworks []*net.IPNet
mutex sync.Mutex
localScopeDefaultNetworks = []*NetworkToSplit{{"172.17.0.0/16", 16}, {"172.18.0.0/16", 16}, {"172.19.0.0/16", 16},
{"172.20.0.0/14", 16}, {"172.24.0.0/14", 16}, {"172.28.0.0/14", 16},
{"192.168.0.0/16", 20}}
globalScopeDefaultNetworks = []*NetworkToSplit{{"10.0.0.0/8", 24}}
)
// NetworkToSplit represent a network that has to be split in chunks with mask length Size.
// Each subnet in the set is derived from the Base pool. Base is to be passed
// in CIDR format.
// Example: a Base "10.10.0.0/16 with Size 24 will define the set of 256
// 10.10.[0-255].0/24 address pools
type NetworkToSplit struct {
Base string `json:"base"`
Size int `json:"size"`
}
func init() {
var err error
if PredefinedGlobalScopeDefaultNetworks, err = splitNetworks(globalScopeDefaultNetworks); err != nil {
//we are going to panic in case of error as we should never get into this state
panic("InitAddressPools failed to initialize the global scope default address pool")
}
if PredefinedLocalScopeDefaultNetworks, err = splitNetworks(localScopeDefaultNetworks); err != nil {
//we are going to panic in case of error as we should never get into this state
panic("InitAddressPools failed to initialize the local scope default address pool")
}
}
// configDefaultNetworks configures local as well global default pool based on input
func configDefaultNetworks(defaultAddressPool []*NetworkToSplit, result *[]*net.IPNet) error {
mutex.Lock()
defer mutex.Unlock()
defaultNetworks, err := splitNetworks(defaultAddressPool)
if err != nil {
return err
}
*result = defaultNetworks
return nil
}
// GetGlobalScopeDefaultNetworks returns PredefinedGlobalScopeDefaultNetworks
func GetGlobalScopeDefaultNetworks() []*net.IPNet {
mutex.Lock()
defer mutex.Unlock()
return PredefinedGlobalScopeDefaultNetworks
}
// GetLocalScopeDefaultNetworks returns PredefinedLocalScopeDefaultNetworks
func GetLocalScopeDefaultNetworks() []*net.IPNet {
mutex.Lock()
defer mutex.Unlock()
return PredefinedLocalScopeDefaultNetworks
}
// ConfigGlobalScopeDefaultNetworks configures global default pool.
// Ideally this will be called from SwarmKit as part of swarm init
func ConfigGlobalScopeDefaultNetworks(defaultAddressPool []*NetworkToSplit) error {
if defaultAddressPool == nil {
defaultAddressPool = globalScopeDefaultNetworks
}
return configDefaultNetworks(defaultAddressPool, &PredefinedGlobalScopeDefaultNetworks)
}
// ConfigLocalScopeDefaultNetworks configures local default pool.
// Ideally this will be called during libnetwork init
func ConfigLocalScopeDefaultNetworks(defaultAddressPool []*NetworkToSplit) error {
if defaultAddressPool == nil {
return nil
}
return configDefaultNetworks(defaultAddressPool, &PredefinedLocalScopeDefaultNetworks)
}
// splitNetworks takes a slice of networks, split them accordingly and returns them
func splitNetworks(list []*NetworkToSplit) ([]*net.IPNet, error) {
localPools := make([]*net.IPNet, 0, len(list))
for _, p := range list {
_, b, err := net.ParseCIDR(p.Base)
if err != nil {
return nil, fmt.Errorf("invalid base pool %q: %v", p.Base, err)
}
ones, _ := b.Mask.Size()
if p.Size <= 0 || p.Size < ones {
return nil, fmt.Errorf("invalid pools size: %d", p.Size)
}
localPools = append(localPools, splitNetwork(p.Size, b)...)
}
return localPools, nil
}
func splitNetwork(size int, base *net.IPNet) []*net.IPNet {
one, bits := base.Mask.Size()
mask := net.CIDRMask(size, bits)
n := 1 << uint(size-one)
s := uint(bits - size)
list := make([]*net.IPNet, 0, n)
for i := 0; i < n; i++ {
ip := copyIP(base.IP)
addIntToIP(ip, uint(i<<s))
list = append(list, &net.IPNet{IP: ip, Mask: mask})
}
return list
}
func copyIP(from net.IP) net.IP {
ip := make([]byte, len(from))
copy(ip, from)
return ip
}
func addIntToIP(array net.IP, ordinal uint) {
for i := len(array) - 1; i >= 0; i-- {
array[i] |= (byte)(ordinal & 0xff)
ordinal >>= 8
}
}

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github.com/Azure/go-ansiterm d6e3b3328b783f23731bc4d058875b0371ff8109
github.com/BurntSushi/toml a368813c5e648fee92e5f6c30e3944ff9d5e8895
github.com/Microsoft/go-winio v0.4.11
github.com/Microsoft/hcsshim v0.7.3
github.com/armon/go-metrics eb0af217e5e9747e41dd5303755356b62d28e3ec
github.com/armon/go-radix e39d623f12e8e41c7b5529e9a9dd67a1e2261f80
github.com/codegangsta/cli a65b733b303f0055f8d324d805f393cd3e7a7904
github.com/containerd/continuity d3c23511c1bf5851696cba83143d9cbcd666869b
github.com/coreos/etcd v3.2.1
github.com/coreos/go-semver v0.2.0
github.com/deckarep/golang-set ef32fa3046d9f249d399f98ebaf9be944430fd1d
go.etcd.io/bbolt v1.3.1-etcd.8
github.com/docker/docker 162ba6016def672690ee4a1f3978368853a1e149
github.com/docker/go-connections 7beb39f0b969b075d1325fecb092faf27fd357b6
github.com/docker/go-events 9461782956ad83b30282bf90e31fa6a70c255ba9
github.com/docker/go-units 9e638d38cf6977a37a8ea0078f3ee75a7cdb2dd1
github.com/docker/libkv 458977154600b9f23984d9f4b82e79570b5ae12b
github.com/godbus/dbus v4.0.0
github.com/gogo/protobuf v1.0.0
github.com/gorilla/context v1.1
github.com/gorilla/mux v1.1
github.com/hashicorp/consul v0.5.2
github.com/hashicorp/go-msgpack 71c2886f5a673a35f909803f38ece5810165097b
github.com/hashicorp/go-multierror fcdddc395df1ddf4247c69bd436e84cfa0733f7e
github.com/hashicorp/memberlist 3d8438da9589e7b608a83ffac1ef8211486bcb7c
github.com/sean-/seed e2103e2c35297fb7e17febb81e49b312087a2372
github.com/hashicorp/go-sockaddr 6d291a969b86c4b633730bfc6b8b9d64c3aafed9
github.com/hashicorp/serf 598c54895cc5a7b1a24a398d635e8c0ea0959870
github.com/mattn/go-shellwords v1.0.3
github.com/miekg/dns v1.0.7
github.com/opencontainers/go-digest v1.0.0-rc1
github.com/opencontainers/image-spec v1.0.1
github.com/opencontainers/runc 96ec2177ae841256168fcf76954f7177af9446eb
github.com/opencontainers/runtime-spec v1.0.1
github.com/samuel/go-zookeeper d0e0d8e11f318e000a8cc434616d69e329edc374
github.com/sirupsen/logrus v1.0.3
github.com/ugorji/go f1f1a805ed361a0e078bb537e4ea78cd37dcf065
github.com/vishvananda/netlink b2de5d10e38ecce8607e6b438b6d174f389a004e
github.com/vishvananda/netns 604eaf189ee867d8c147fafc28def2394e878d25
golang.org/x/crypto 1a580b3eff7814fc9b40602fd35256c63b50f491
golang.org/x/net 0ed95abb35c445290478a5348a7b38bb154135fd
golang.org/x/sys 37707fdb30a5b38865cfb95e5aab41707daec7fd
golang.org/x/sync fd80eb99c8f653c847d294a001bdf2a3a6f768f5
github.com/pkg/errors 839d9e913e063e28dfd0e6c7b7512793e0a48be9
github.com/ishidawataru/sctp 07191f837fedd2f13d1ec7b5f885f0f3ec54b1cb
gotest.tools v2.1.0
github.com/google/go-cmp v0.2.0