Introduce gopkg.in for go module

This change introduces gopkg.in to allow everyone to use multus
code as library. Currently multus-cni uses version 'v3', hence
it hits go modules limitation, as k8snetworkplumbingwg#504 describes.

This change fix k8snetworkplumbingwg#504 with gopkg.in.

build

@@ -29,8 +29,8 @@ if [ "$GO111MODULE" == "off" ]; then
 	echo "Building plugin without go module"
 	echo "Warning: this will be deprecated in near future so please use go modules!"
 
-	ORG_PATH="github.com/intel"
-	REPO_PATH="${ORG_PATH}/multus-cni"
+	ORG_PATH="gopkg.in/intel"
+	REPO_PATH="${ORG_PATH}/multus-cni.v3"
 
 	if [ ! -h gopath/src/${REPO_PATH} ]; then
 		mkdir -p gopath/src/${ORG_PATH}

checkpoint/checkpoint.go

@@ -19,8 +19,8 @@ import (
 	"encoding/json"
 	"io/ioutil"
 
-	"github.com/intel/multus-cni/logging"
-	"github.com/intel/multus-cni/types"
+	"gopkg.in/intel/multus-cni.v3/logging"
+	"gopkg.in/intel/multus-cni.v3/types"
 	v1 "k8s.io/api/core/v1"
 )
 

checkpoint/checkpoint_test.go

@@ -10,7 +10,7 @@ import (
 	"io/ioutil"
 	"testing"
 
-	"github.com/intel/multus-cni/types"
+	"gopkg.in/intel/multus-cni.v3/types"
 	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	k8sTypes "k8s.io/apimachinery/pkg/types"

doc/development.md

@@ -1,5 +1,15 @@
 ## Development Information
 
+## How to utilize multus-cni code as library?
+
+Multus now uses [gopkg.in](http://gopkg.in/) to expose its code as library.
+You can use following command to import our code into your go code.
+
+```
+go get gopkg.in/intel/multus-cni.v3
+```
+
+
 ## How do I submit an issue?
 
 Use GitHub as normally, you'll be presented with an option to submit a issue or enhancement request.

go.mod

@@ -1,4 +1,4 @@
-module github.com/intel/multus-cni
+module gopkg.in/intel/multus-cni.v3
 
 go 1.12
 

k8sclient/k8sclient.go

@@ -37,9 +37,9 @@ import (
 	"github.com/containernetworking/cni/libcni"
 	"github.com/containernetworking/cni/pkg/skel"
 	cnitypes "github.com/containernetworking/cni/pkg/types"
-	"github.com/intel/multus-cni/kubeletclient"
-	"github.com/intel/multus-cni/logging"
-	"github.com/intel/multus-cni/types"
+	"gopkg.in/intel/multus-cni.v3/kubeletclient"
+	"gopkg.in/intel/multus-cni.v3/logging"
+	"gopkg.in/intel/multus-cni.v3/types"
 	nettypes "github.com/k8snetworkplumbingwg/network-attachment-definition-client/pkg/apis/k8s.cni.cncf.io/v1"
 	netclient "github.com/k8snetworkplumbingwg/network-attachment-definition-client/pkg/client/clientset/versioned/typed/k8s.cni.cncf.io/v1"
 	netutils "github.com/k8snetworkplumbingwg/network-attachment-definition-client/pkg/utils"

k8sclient/k8sclient_test.go

@@ -23,10 +23,10 @@ import (
 	"testing"
 
 	types020 "github.com/containernetworking/cni/pkg/types/020"
-	testutils "github.com/intel/multus-cni/testing"
+	testutils "gopkg.in/intel/multus-cni.v3/testing"
 
 	"github.com/containernetworking/cni/pkg/skel"
-	"github.com/intel/multus-cni/types"
+	"gopkg.in/intel/multus-cni.v3/types"
 
 	nettypes "github.com/k8snetworkplumbingwg/network-attachment-definition-client/pkg/apis/k8s.cni.cncf.io/v1"
 	netfake "github.com/k8snetworkplumbingwg/network-attachment-definition-client/pkg/client/clientset/versioned/fake"

kubeletclient/kubeletclient.go

@@ -5,9 +5,9 @@ import (
 	"path/filepath"
 	"time"
 
-	"github.com/intel/multus-cni/checkpoint"
-	"github.com/intel/multus-cni/logging"
-	"github.com/intel/multus-cni/types"
+	"gopkg.in/intel/multus-cni.v3/checkpoint"
+	"gopkg.in/intel/multus-cni.v3/logging"
+	"gopkg.in/intel/multus-cni.v3/types"
 	"golang.org/x/net/context"
 	v1 "k8s.io/api/core/v1"
 	"k8s.io/kubernetes/pkg/kubelet/apis/podresources"

kubeletclient/kubeletclient_test.go

@@ -15,7 +15,7 @@ import (
 	k8sTypes "k8s.io/apimachinery/pkg/types"
 	"k8s.io/kubernetes/pkg/kubelet/util"
 
-	mtypes "github.com/intel/multus-cni/types"
+	mtypes "gopkg.in/intel/multus-cni.v3/types"
 	podresourcesapi "k8s.io/kubernetes/pkg/kubelet/apis/podresources/v1alpha1"
 )
 

multus/multus.go

@@ -37,10 +37,10 @@ import (
 	cnicurrent "github.com/containernetworking/cni/pkg/types/current"
 	cniversion "github.com/containernetworking/cni/pkg/version"
 	"github.com/containernetworking/plugins/pkg/ns"
-	k8s "github.com/intel/multus-cni/k8sclient"
-	"github.com/intel/multus-cni/logging"
-	"github.com/intel/multus-cni/netutils"
-	"github.com/intel/multus-cni/types"
+	k8s "gopkg.in/intel/multus-cni.v3/k8sclient"
+	"gopkg.in/intel/multus-cni.v3/logging"
+	"gopkg.in/intel/multus-cni.v3/netutils"
+	"gopkg.in/intel/multus-cni.v3/types"
 	nettypes "github.com/k8snetworkplumbingwg/network-attachment-definition-client/pkg/apis/k8s.cni.cncf.io/v1"
 	nadutils "github.com/k8snetworkplumbingwg/network-attachment-definition-client/pkg/utils"
 	"github.com/vishvananda/netlink"

multus/multus_test.go

@@ -34,10 +34,10 @@ import (
 	cniversion "github.com/containernetworking/cni/pkg/version"
 	"github.com/containernetworking/plugins/pkg/ns"
 	"github.com/containernetworking/plugins/pkg/testutils"
-	"github.com/intel/multus-cni/k8sclient"
-	"github.com/intel/multus-cni/logging"
-	testhelpers "github.com/intel/multus-cni/testing"
-	"github.com/intel/multus-cni/types"
+	"gopkg.in/intel/multus-cni.v3/k8sclient"
+	"gopkg.in/intel/multus-cni.v3/logging"
+	testhelpers "gopkg.in/intel/multus-cni.v3/testing"
+	"gopkg.in/intel/multus-cni.v3/types"
 	netfake "github.com/k8snetworkplumbingwg/network-attachment-definition-client/pkg/client/clientset/versioned/fake"
 	"k8s.io/client-go/kubernetes/fake"
 	"k8s.io/client-go/tools/record"

netutils/netutils.go

@@ -20,7 +20,7 @@ import (
 	cnitypes "github.com/containernetworking/cni/pkg/types"
 	"github.com/containernetworking/cni/pkg/types/current"
 	"github.com/containernetworking/plugins/pkg/ns"
-	"github.com/intel/multus-cni/logging"
+	"gopkg.in/intel/multus-cni.v3/logging"
 	"github.com/vishvananda/netlink"
 	"net"
 	"strings"

types/conf.go

@@ -23,7 +23,7 @@ import (
 	"github.com/containernetworking/cni/pkg/skel"
 	"github.com/containernetworking/cni/pkg/types/current"
 	"github.com/containernetworking/cni/pkg/version"
-	"github.com/intel/multus-cni/logging"
+	"gopkg.in/intel/multus-cni.v3/logging"
 )
 
 const (

types/conf_test.go

@@ -26,7 +26,7 @@ import (
 	types020 "github.com/containernetworking/cni/pkg/types/020"
 	"github.com/containernetworking/plugins/pkg/ns"
 	"github.com/containernetworking/plugins/pkg/testutils"
-	testhelpers "github.com/intel/multus-cni/testing"
+	testhelpers "gopkg.in/intel/multus-cni.v3/testing"
 	netutils "github.com/k8snetworkplumbingwg/network-attachment-definition-client/pkg/utils"
 
 	. "github.com/onsi/ginkgo"

vendor/modules.txt

@@ -108,7 +108,7 @@ github.com/vishvananda/netlink/nl
 github.com/vishvananda/netns
 # golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550
 golang.org/x/crypto/ssh/terminal
-# golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa
+# golang.org/x/net v0.0.0-20200226121028-0de0cce0169b
 golang.org/x/net/context
 golang.org/x/net/context/ctxhttp
 golang.org/x/net/html