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Code Issues Projects Releases Wiki Activity

plugins: remove flannel

Browse Source 
Now that the flannel CNI plugin has been moved to
https://github.com/flannel-io/cni-plugin, we should remove it from here.

Signed-off-by: Casey Callendrello <cdc@redhat.com>
This commit is contained in:
Casey Callendrello
2021-06-02 17:36:14 +02:00
parent 5238c13aa9
commit 77233dd79d
11 changed files with 75 additions and 1304 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
README.md
View File

@@ -23,7 +23,6 @@ Read [CONTRIBUTING](CONTRIBUTING.md) for build and test instructions.
* `static`: Allocate a static IPv4/IPv6 addresses to container and it's useful in debugging purpose.
### Meta: other plugins
* `flannel`: Generates an interface corresponding to a flannel config file
* `tuning`: Tweaks sysctl parameters of an existing interface
* `portmap`: An iptables-based portmapping plugin. Maps ports from the host's address space to the container.
* `bandwidth`: Allows bandwidth-limiting through use of traffic control tbf (ingress/egress).

2
go.sum
View File

@@ -519,7 +519,6 @@ github.com/vishvananda/netlink v1.1.1-0.20210330154013-f5de75959ad5 h1:+UB2BJA85
github.com/vishvananda/netlink v1.1.1-0.20210330154013-f5de75959ad5/go.mod h1:twkDnbuQxJYemMlGd4JFIcuhgX83tXhKS2B/PRMpOho=
github.com/vishvananda/netns v0.0.0-20180720170159-13995c7128cc/go.mod h1:ZjcWmFBXmLKZu9Nxj3WKYEafiSqer2rnvPr0en9UNpI=
github.com/vishvananda/netns v0.0.0-20191106174202-0a2b9b5464df/go.mod h1:JP3t17pCcGlemwknint6hfoeCVQrEMVwxRLRjXpq+BU=
github.com/vishvananda/netns v0.0.0-20200728191858-db3c7e526aae h1:4hwBBUfQCFe3Cym0ZtKyq7L16eZUtYKs+BaHDN6mAns=
github.com/vishvananda/netns v0.0.0-20200728191858-db3c7e526aae/go.mod h1:DD4vA1DwXk04H54A1oHXtwZmA0grkVMdPxx/VGLCah0=
github.com/vishvananda/netns v0.0.0-20210104183010-2eb08e3e575f h1:p4VB7kIXpOQvVn1ZaTIVp+3vuYAXFe3OJEvjbUYJLaA=
github.com/vishvananda/netns v0.0.0-20210104183010-2eb08e3e575f/go.mod h1:DD4vA1DwXk04H54A1oHXtwZmA0grkVMdPxx/VGLCah0=
@@ -696,7 +695,6 @@ golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7w
golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201202213521-69691e467435/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210324051608-47abb6519492 h1:Paq34FxTluEPvVyayQqMPgHm+vTOrIifmcYxFBx9TLg=
golang.org/x/sys v0.0.0-20210324051608-47abb6519492/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210414055047-fe65e336abe0 h1:g9s1Ppvvun/fI+BptTMj909BBIcGrzQ32k9FNlcevOE=
golang.org/x/sys v0.0.0-20210414055047-fe65e336abe0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=

43
plugins/main/windows/win-bridge/sample-v1.conf Executable file → Normal file
View File

@@ -1,22 +1,20 @@
{
"name":"cbr0",
"type":"flannel",
"delegate":{
"type":"win-bridge",
"dns":{
"nameservers":[
"name": "cbr0",
"type": "win-bridge",
"dns": {
"nameservers": [
"11.0.0.10"
],
"search":[
"search": [
"svc.cluster.local"
]
},
"policies":[
"policies": [
{
"name":"EndpointPolicy",
"value":{
"Type":"OutBoundNAT",
"ExceptionList":[
"name": "EndpointPolicy",
"value": {
"Type": "OutBoundNAT",
"ExceptionList": [
"192.168.0.0/16",
"11.0.0.0/8",
"10.137.196.0/23"
@@ -24,22 +22,21 @@
}
},
{
"name":"EndpointPolicy",
"value":{
"Type":"ROUTE",
"DestinationPrefix":"11.0.0.0/8",
"NeedEncap":true
"name": "EndpointPolicy",
"value": {
"Type": "ROUTE",
"DestinationPrefix": "11.0.0.0/8",
"NeedEncap": true
}
},
{
"name":"EndpointPolicy",
"value":{
"Type":"ROUTE",
"DestinationPrefix":"10.137.198.27/32",
"NeedEncap":true
"name": "EndpointPolicy",
"value": {
"Type": "ROUTE",
"DestinationPrefix": "10.137.198.27/32",
"NeedEncap": true
}
}
],
"loopbackDSR": true
}
}

35
plugins/main/windows/win-overlay/sample.conf Executable file → Normal file
View File

@@ -1,36 +1,33 @@
{
"cniVersion":"0.2.0",
"name":"vxlan0",
"type":"flannel",
"delegate":{
"type":"win-overlay",
"dns":{
"nameservers":[
"cniVersion": "0.2.0",
"name": "vxlan0",
"type": "win-overlay",
"dns": {
"nameservers": [
"11.0.0.10"
],
"search":[
"search": [
"svc.cluster.local"
]
},
"policies":[
"policies": [
{
"name":"EndpointPolicy",
"value":{
"Type":"OutBoundNAT",
"ExceptionList":[
"name": "EndpointPolicy",
"value": {
"Type": "OutBoundNAT",
"ExceptionList": [
"192.168.0.0/16",
"11.0.0.0/8"
]
}
},
{
"name":"EndpointPolicy",
"value":{
"Type":"ROUTE",
"DestinationPrefix":"11.0.0.0/8",
"NeedEncap":true
"name": "EndpointPolicy",
"value": {
"Type": "ROUTE",
"DestinationPrefix": "11.0.0.0/8",
"NeedEncap": true
}
}
]
}
}

5
plugins/meta/flannel/README.md
View File

@@ -1,5 +0,0 @@
This document has moved to the [containernetworking/cni.dev](https://github.com/containernetworking/cni.dev) repo.
You can find it online here: https://cni.dev/plugins/current/meta/flannel/

279
plugins/meta/flannel/flannel.go
View File

@@ -1,279 +0,0 @@
// Copyright 2015 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// This is a "meta-plugin". It reads in its own netconf, combines it with
// the data from flannel generated subnet file and then invokes a plugin
// like bridge or ipvlan to do the real work.
package main
import (
"bufio"
"context"
"encoding/json"
"fmt"
"io/ioutil"
"net"
"os"
"path/filepath"
"strconv"
"strings"
"github.com/containernetworking/cni/pkg/invoke"
"github.com/containernetworking/cni/pkg/skel"
"github.com/containernetworking/cni/pkg/types"
"github.com/containernetworking/cni/pkg/version"
bv "github.com/containernetworking/plugins/pkg/utils/buildversion"
)
const (
defaultSubnetFile = "/run/flannel/subnet.env"
defaultDataDir = "/var/lib/cni/flannel"
)
type NetConf struct {
types.NetConf
// IPAM field "replaces" that of types.NetConf which is incomplete
IPAM map[string]interface{} `json:"ipam,omitempty"`
SubnetFile string `json:"subnetFile"`
DataDir string `json:"dataDir"`
Delegate map[string]interface{} `json:"delegate"`
RuntimeConfig map[string]interface{} `json:"runtimeConfig,omitempty"`
}
type subnetEnv struct {
nw *net.IPNet
sn *net.IPNet
ip6Nw *net.IPNet
ip6Sn *net.IPNet
mtu *uint
ipmasq *bool
}
func (se *subnetEnv) missing() string {
m := []string{}
if se.nw == nil && se.ip6Nw == nil {
m = append(m, []string{"FLANNEL_NETWORK", "FLANNEL_IPV6_NETWORK"}...)
}
if se.sn == nil && se.ip6Sn == nil {
m = append(m, []string{"FLANNEL_SUBNET", "FLANNEL_IPV6_SUBNET"}...)
}
if se.mtu == nil {
m = append(m, "FLANNEL_MTU")
}
if se.ipmasq == nil {
m = append(m, "FLANNEL_IPMASQ")
}
return strings.Join(m, ", ")
}
func loadFlannelNetConf(bytes []byte) (*NetConf, error) {
n := &NetConf{
SubnetFile: defaultSubnetFile,
DataDir: defaultDataDir,
}
if err := json.Unmarshal(bytes, n); err != nil {
return nil, fmt.Errorf("failed to load netconf: %v", err)
}
return n, nil
}
func getIPAMRoutes(n *NetConf) ([]types.Route, error) {
rtes := []types.Route{}
if n.IPAM != nil && hasKey(n.IPAM, "routes") {
buf, _ := json.Marshal(n.IPAM["routes"])
if err := json.Unmarshal(buf, &rtes); err != nil {
return rtes, fmt.Errorf("failed to parse ipam.routes: %w", err)
}
}
return rtes, nil
}
func loadFlannelSubnetEnv(fn string) (*subnetEnv, error) {
f, err := os.Open(fn)
if err != nil {
return nil, err
}
defer f.Close()
se := &subnetEnv{}
s := bufio.NewScanner(f)
for s.Scan() {
parts := strings.SplitN(s.Text(), "=", 2)
switch parts[0] {
case "FLANNEL_NETWORK":
_, se.nw, err = net.ParseCIDR(parts[1])
if err != nil {
return nil, err
}
case "FLANNEL_SUBNET":
_, se.sn, err = net.ParseCIDR(parts[1])
if err != nil {
return nil, err
}
case "FLANNEL_IPV6_NETWORK":
_, se.ip6Nw, err = net.ParseCIDR(parts[1])
if err != nil {
return nil, err
}
case "FLANNEL_IPV6_SUBNET":
_, se.ip6Sn, err = net.ParseCIDR(parts[1])
if err != nil {
return nil, err
}
case "FLANNEL_MTU":
mtu, err := strconv.ParseUint(parts[1], 10, 32)
if err != nil {
return nil, err
}
se.mtu = new(uint)
*se.mtu = uint(mtu)
case "FLANNEL_IPMASQ":
ipmasq := parts[1] == "true"
se.ipmasq = &ipmasq
}
}
if err := s.Err(); err != nil {
return nil, err
}
if m := se.missing(); m != "" {
return nil, fmt.Errorf("%v is missing %v", fn, m)
}
return se, nil
}
func saveScratchNetConf(containerID, dataDir string, netconf []byte) error {
if err := os.MkdirAll(dataDir, 0700); err != nil {
return err
}
path := filepath.Join(dataDir, containerID)
return ioutil.WriteFile(path, netconf, 0600)
}
func consumeScratchNetConf(containerID, dataDir string) (func(error), []byte, error) {
path := filepath.Join(dataDir, containerID)
// cleanup will do clean job when no error happens in consuming/using process
cleanup := func(err error) {
if err == nil {
// Ignore errors when removing - Per spec safe to continue during DEL
_ = os.Remove(path)
}
}
netConfBytes, err := ioutil.ReadFile(path)
return cleanup, netConfBytes, err
}
func delegateAdd(cid, dataDir, cniVersion string, netconf map[string]interface{}) error {
netconfBytes, err := json.Marshal(netconf)
if err != nil {
return fmt.Errorf("error serializing delegate netconf: %v", err)
}
// save the rendered netconf for cmdDel
if err = saveScratchNetConf(cid, dataDir, netconfBytes); err != nil {
return err
}
result, err := invoke.DelegateAdd(context.TODO(), netconf["type"].(string), netconfBytes, nil)
if err != nil {
return err
}
return types.PrintResult(result, cniVersion)
}
func hasKey(m map[string]interface{}, k string) bool {
_, ok := m[k]
return ok
}
func isString(i interface{}) bool {
_, ok := i.(string)
return ok
}
func cmdAdd(args *skel.CmdArgs) error {
n, err := loadFlannelNetConf(args.StdinData)
if err != nil {
return err
}
fenv, err := loadFlannelSubnetEnv(n.SubnetFile)
if err != nil {
return err
}
if n.Delegate == nil {
n.Delegate = make(map[string]interface{})
} else {
if hasKey(n.Delegate, "type") && !isString(n.Delegate["type"]) {
return fmt.Errorf("'delegate' dictionary, if present, must have (string) 'type' field")
}
if hasKey(n.Delegate, "name") {
return fmt.Errorf("'delegate' dictionary must not have 'name' field, it'll be set by flannel")
}
if hasKey(n.Delegate, "ipam") {
return fmt.Errorf("'delegate' dictionary must not have 'ipam' field, it'll be set by flannel")
}
}
if n.RuntimeConfig != nil {
n.Delegate["runtimeConfig"] = n.RuntimeConfig
}
// Delegate CNI config version must match flannel plugin config version
n.Delegate["cniVersion"] = n.CNIVersion
return doCmdAdd(args, n.CNIVersion, n, fenv)
}
func cmdDel(args *skel.CmdArgs) error {
nc, err := loadFlannelNetConf(args.StdinData)
if err != nil {
return err
}
if nc.RuntimeConfig != nil {
if nc.Delegate == nil {
nc.Delegate = make(map[string]interface{})
}
nc.Delegate["runtimeConfig"] = nc.RuntimeConfig
}
return doCmdDel(args, nc)
}
func main() {
skel.PluginMain(cmdAdd, cmdCheck, cmdDel, version.All, bv.BuildString("flannel"))
}
func cmdCheck(args *skel.CmdArgs) error {
// TODO: implement
return nil
}

132
plugins/meta/flannel/flannel_linux.go
View File

@@ -1,132 +0,0 @@
// Copyright 2018 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// This is a "meta-plugin". It reads in its own netconf, combines it with
// the data from flannel generated subnet file and then invokes a plugin
// like bridge or ipvlan to do the real work.
package main
import (
"context"
"encoding/json"
"fmt"
"os"
"github.com/containernetworking/cni/pkg/invoke"
"github.com/containernetworking/cni/pkg/skel"
"github.com/containernetworking/cni/pkg/types"
)
// Return IPAM section for Delegate using input IPAM if present and replacing
// or complementing as needed.
func getDelegateIPAM(n *NetConf, fenv *subnetEnv) (map[string]interface{}, error) {
ipam := n.IPAM
if ipam == nil {
ipam = map[string]interface{}{}
}
if !hasKey(ipam, "type") {
ipam["type"] = "host-local"
}
var rangesSlice [][]map[string]interface{}
if fenv.sn != nil && fenv.sn.String() != "" {
rangesSlice = append(rangesSlice, []map[string]interface{}{
{"subnet": fenv.sn.String()},
},
)
}
if fenv.ip6Sn != nil && fenv.ip6Sn.String() != "" {
rangesSlice = append(rangesSlice, []map[string]interface{}{
{"subnet": fenv.ip6Sn.String()},
},
)
}
ipam["ranges"] = rangesSlice
rtes, err := getIPAMRoutes(n)
if err != nil {
return nil, fmt.Errorf("failed to read IPAM routes: %w", err)
}
if fenv.nw != nil {
rtes = append(rtes, types.Route{Dst: *fenv.nw})
}
if fenv.ip6Nw != nil {
rtes = append(rtes, types.Route{Dst: *fenv.ip6Nw})
}
ipam["routes"] = rtes
return ipam, nil
}
func doCmdAdd(args *skel.CmdArgs, cniVersion string, n *NetConf, fenv *subnetEnv) error {
n.Delegate["name"] = n.Name
if !hasKey(n.Delegate, "type") {
n.Delegate["type"] = "bridge"
}
if !hasKey(n.Delegate, "ipMasq") {
// if flannel is not doing ipmasq, we should
ipmasq := !*fenv.ipmasq
n.Delegate["ipMasq"] = ipmasq
}
if !hasKey(n.Delegate, "mtu") {
mtu := fenv.mtu
n.Delegate["mtu"] = mtu
}
if n.Delegate["type"].(string) == "bridge" {
if !hasKey(n.Delegate, "isGateway") {
n.Delegate["isGateway"] = true
}
}
if n.CNIVersion != "" {
n.Delegate["cniVersion"] = n.CNIVersion
}
ipam, err := getDelegateIPAM(n, fenv)
if err != nil {
return fmt.Errorf("failed to assemble Delegate IPAM: %w", err)
}
n.Delegate["ipam"] = ipam
return delegateAdd(args.ContainerID, n.DataDir, cniVersion, n.Delegate)
}
func doCmdDel(args *skel.CmdArgs, n *NetConf) (err error) {
cleanup, netConfBytes, err := consumeScratchNetConf(args.ContainerID, n.DataDir)
if err != nil {
if os.IsNotExist(err) {
// Per spec should ignore error if resources are missing / already removed
return nil
}
return err
}
// cleanup will work when no error happens
defer func() {
cleanup(err)
}()
nc := &types.NetConf{}
if err = json.Unmarshal(netConfBytes, nc); err != nil {
return fmt.Errorf("failed to parse netconf: %v", err)
}
return invoke.DelegateDel(context.TODO(), nc.Type, netConfBytes, nil)
}

697
plugins/meta/flannel/flannel_linux_test.go
View File

@@ -1,697 +0,0 @@
// Copyright 2015 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"encoding/json"
"fmt"
"io/ioutil"
"os"
"github.com/containernetworking/cni/pkg/skel"
current "github.com/containernetworking/cni/pkg/types/100"
"github.com/containernetworking/plugins/pkg/ns"
"github.com/containernetworking/plugins/pkg/testutils"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Flannel", func() {
var (
originalNS ns.NetNS
targetNS ns.NetNS
onlyIpv4Input string
onlyIpv6Input string
dualStackInput string
onlyIpv4SubnetFile string
onlyIpv6SubnetFile string
dualStackSubnetFile string
dataDir string
)
const inputTemplate = `{
"name": "cni-flannel",
"type": "flannel",
"cniVersion": "%s",
"subnetFile": "%s",
"dataDir": "%s"%s
}`
const inputIPAMTemplate = `
"unknown-param": "unknown-value",
"routes": [%s]%s`
const inputIPAMType = "my-ipam"
const inputIPAMNoTypeTemplate = `
{
"unknown-param": "unknown-value",
"routes": [%s]%s
}`
const inputIPAMRoutes = `
{ "dst": "10.96.0.0/12" },
{ "dst": "192.168.244.0/24", "gw": "10.1.17.20" }`
const onlyIpv4FlannelSubnetEnv = `
FLANNEL_NETWORK=10.1.0.0/16
FLANNEL_SUBNET=10.1.17.1/24
FLANNEL_MTU=1472
FLANNEL_IPMASQ=true
`
const onlyIpv6FlannelSubnetEnv = `
FLANNEL_IPV6_NETWORK=fc00::/48
FLANNEL_IPV6_SUBNET=fc00::1/64
FLANNEL_MTU=1472
FLANNEL_IPMASQ=true
`
const dualStackFlannelSubnetEnv = `
FLANNEL_NETWORK=10.1.0.0/16
FLANNEL_SUBNET=10.1.17.1/24
FLANNEL_IPV6_NETWORK=fc00::/48
FLANNEL_IPV6_SUBNET=fc00::1/64
FLANNEL_MTU=1472
FLANNEL_IPMASQ=true
`
const IFNAME = "eth0"
var writeSubnetEnv = func(contents string) string {
file, err := ioutil.TempFile("", "subnet.env")
Expect(err).NotTo(HaveOccurred())
_, err = file.WriteString(contents)
Expect(err).NotTo(HaveOccurred())
return file.Name()
}
var makeInputIPAM = func(ipamType, routes, extra string) string {
c := "{\n"
if len(ipamType) > 0 {
c += fmt.Sprintf(" \"type\": \"%s\",", ipamType)
}
c += fmt.Sprintf(inputIPAMTemplate, routes, extra)
c += "\n}"
return c
}
var makeInput = func(cniVersion, inputIPAM string, subnetFile string) string {
ipamPart := ""
if len(inputIPAM) > 0 {
ipamPart = ",\n \"ipam\":\n" + inputIPAM
}
return fmt.Sprintf(inputTemplate, cniVersion, subnetFile, dataDir, ipamPart)
}
var makeHostLocalIPAM = func(dataDir string) string {
return fmt.Sprintf(`{
"type": "host-local",
"dataDir": "%s"
}`, dataDir)
}
BeforeEach(func() {
var err error
originalNS, err = testutils.NewNS()
Expect(err).NotTo(HaveOccurred())
targetNS, err = testutils.NewNS()
Expect(err).NotTo(HaveOccurred())
// flannel subnet.env
onlyIpv4SubnetFile = writeSubnetEnv(onlyIpv4FlannelSubnetEnv)
onlyIpv6SubnetFile = writeSubnetEnv(onlyIpv6FlannelSubnetEnv)
dualStackSubnetFile = writeSubnetEnv(dualStackFlannelSubnetEnv)
// flannel state dir
dataDir, err = ioutil.TempDir("", "dataDir")
Expect(err).NotTo(HaveOccurred())
})
AfterEach(func() {
Expect(targetNS.Close()).To(Succeed())
Expect(testutils.UnmountNS(targetNS)).To(Succeed())
Expect(originalNS.Close()).To(Succeed())
Expect(testutils.UnmountNS(originalNS)).To(Succeed())
os.Remove(onlyIpv4SubnetFile)
os.Remove(onlyIpv6SubnetFile)
os.Remove(dualStackSubnetFile)
Expect(os.RemoveAll(dataDir)).To(Succeed())
})
Describe("CNI lifecycle", func() {
for _, ver := range testutils.AllSpecVersions {
// Redefine ver inside for scope so real value is picked up by each dynamically defined It()
// See Gingkgo's "Patterns for dynamically generating tests" documentation.
ver := ver
Context("when using only ipv4 stack", func() {
It(fmt.Sprintf("[%s] uses dataDir for storing network configuration with ipv4 stack", ver), func() {
inputIPAM := makeHostLocalIPAM(dataDir)
args := &skel.CmdArgs{
ContainerID: "some-container-id-ipv4",
Netns: targetNS.Path(),
IfName: IFNAME,
StdinData: []byte(makeInput(ver, inputIPAM, onlyIpv4SubnetFile)),
}
err := originalNS.Do(func(ns.NetNS) error {
defer GinkgoRecover()
By("calling ADD with ipv4 stack")
GinkgoT().Logf("dataDir is %s", dataDir)
GinkgoT().Logf("conf is %s", args.StdinData)
resI, _, err := testutils.CmdAddWithArgs(args, func() error {
return cmdAdd(args)
})
Expect(err).NotTo(HaveOccurred())
By("check that plugin writes the net config to dataDir with ipv4 stack")
path := fmt.Sprintf("%s/%s", dataDir, "some-container-id-ipv4")
Expect(path).Should(BeAnExistingFile())
netConfBytes, err := ioutil.ReadFile(path)
Expect(err).NotTo(HaveOccurred())
expected := fmt.Sprintf(`{
"cniVersion": "%s",
"ipMasq": false,
"ipam": {
"routes": [
{
"dst": "10.1.0.0/16"
}
],
"ranges": [
[{
"subnet": "10.1.17.0/24"
}]
],
"type": "host-local",
"dataDir": "%s"
},
"isGateway": true,
"mtu": 1472,
"name": "cni-flannel",
"type": "bridge"
}`, ver, dataDir)
Expect(netConfBytes).Should(MatchJSON(expected))
result, err := current.NewResultFromResult(resI)
Expect(err).NotTo(HaveOccurred())
Expect(result.IPs).To(HaveLen(1))
By("calling DEL with ipv4 stack")
err = testutils.CmdDelWithArgs(args, func() error {
return cmdDel(args)
})
Expect(err).NotTo(HaveOccurred())
By("check that plugin removes net config from state dir with ipv4 stack")
Expect(path).ShouldNot(BeAnExistingFile())
By("calling DEL again with ipv4 stack")
err = testutils.CmdDelWithArgs(args, func() error {
return cmdDel(args)
})
By("check that plugin does not fail due to missing net config with ipv4 stack")
Expect(err).NotTo(HaveOccurred())
return nil
})
Expect(err).NotTo(HaveOccurred())
})
})
Context("when using only ipv6 stack", func() {
It(fmt.Sprintf("[%s] uses dataDir for storing network configuration with ipv6 stack", ver), func() {
inputIPAM := makeHostLocalIPAM(dataDir)
args := &skel.CmdArgs{
ContainerID: "some-container-id-ipv6",
Netns: targetNS.Path(),
IfName: IFNAME,
StdinData: []byte(makeInput(ver, inputIPAM, onlyIpv6SubnetFile)),
}
err := originalNS.Do(func(ns.NetNS) error {
defer GinkgoRecover()
By("calling ADD with ipv6 stack")
resI, _, err := testutils.CmdAddWithArgs(args, func() error {
return cmdAdd(args)
})
Expect(err).NotTo(HaveOccurred())
By("check that plugin writes the net config to dataDir with ipv6 stack")
path := fmt.Sprintf("%s/%s", dataDir, "some-container-id-ipv6")
Expect(path).Should(BeAnExistingFile())
netConfBytes, err := ioutil.ReadFile(path)
Expect(err).NotTo(HaveOccurred())
expected := fmt.Sprintf(`{
"cniVersion": "%s",
"ipMasq": false,
"ipam": {
"routes": [
{
"dst": "fc00::/48"
}
],
"ranges": [
[{
"subnet": "fc00::/64"
}]
],
"type": "host-local",
"dataDir": "%s"
},
"isGateway": true,
"mtu": 1472,
"name": "cni-flannel",
"type": "bridge"
}`, ver, dataDir)
Expect(netConfBytes).Should(MatchJSON(expected))
result, err := current.NewResultFromResult(resI)
Expect(err).NotTo(HaveOccurred())
Expect(result.IPs).To(HaveLen(1))
By("calling DEL with ipv6 stack")
err = testutils.CmdDelWithArgs(args, func() error {
return cmdDel(args)
})
Expect(err).NotTo(HaveOccurred())
By("check that plugin removes net config from state dir with ipv6 stack")
Expect(path).ShouldNot(BeAnExistingFile())
By("calling DEL again with ipv6 stack")
err = testutils.CmdDelWithArgs(args, func() error {
return cmdDel(args)
})
By("check that plugin does not fail due to missing net config with ipv6 stack")
Expect(err).NotTo(HaveOccurred())
return nil
})
Expect(err).NotTo(HaveOccurred())
})
})
Context("when using dual stack", func() {
It(fmt.Sprintf("[%s] uses dataDir for storing network configuration with dual stack", ver), func() {
inputIPAM := makeHostLocalIPAM(dataDir)
args := &skel.CmdArgs{
ContainerID: "some-container-id-dual-stack",
Netns: targetNS.Path(),
IfName: IFNAME,
StdinData: []byte(makeInput(ver, inputIPAM, dualStackSubnetFile)),
}
err := originalNS.Do(func(ns.NetNS) error {
defer GinkgoRecover()
By("calling ADD with dual stack")
resI, _, err := testutils.CmdAddWithArgs(args, func() error {
return cmdAdd(args)
})
Expect(err).NotTo(HaveOccurred())
By("check that plugin writes the net config to dataDir with dual stack")
path := fmt.Sprintf("%s/%s", dataDir, "some-container-id-dual-stack")
Expect(path).Should(BeAnExistingFile())
netConfBytes, err := ioutil.ReadFile(path)
Expect(err).NotTo(HaveOccurred())
expected := fmt.Sprintf(`{
"cniVersion": "%s",
"ipMasq": false,
"ipam": {
"routes": [
{
"dst": "10.1.0.0/16"
},
{
"dst": "fc00::/48"
}
],
"ranges": [
[{
"subnet": "10.1.17.0/24"
}],
[{
"subnet": "fc00::/64"
}]
],
"type": "host-local",
"dataDir": "%s"
},
"isGateway": true,
"mtu": 1472,
"name": "cni-flannel",
"type": "bridge"
}`, ver, dataDir)
Expect(netConfBytes).Should(MatchJSON(expected))
result, err := current.NewResultFromResult(resI)
Expect(err).NotTo(HaveOccurred())
Expect(result.IPs).To(HaveLen(2))
By("calling DEL with dual stack")
err = testutils.CmdDelWithArgs(args, func() error {
return cmdDel(args)
})
Expect(err).NotTo(HaveOccurred())
By("check that plugin removes net config from state dir with dual stack")
Expect(path).ShouldNot(BeAnExistingFile())
By("calling DEL again with dual stack")
err = testutils.CmdDelWithArgs(args, func() error {
return cmdDel(args)
})
By("check that plugin does not fail due to missing net config with dual stack")
Expect(err).NotTo(HaveOccurred())
return nil
})
Expect(err).NotTo(HaveOccurred())
})
})
}
})
Describe("loadFlannelNetConf", func() {
var (
onlyIpv4Input string
onlyIpv6Input string
dualStackInput string
)
BeforeEach(func() {
onlyIpv4Input = makeInput(current.ImplementedSpecVersion, "", onlyIpv4SubnetFile)
onlyIpv6Input = makeInput(current.ImplementedSpecVersion, "", onlyIpv6SubnetFile)
dualStackInput = makeInput(current.ImplementedSpecVersion, "", dualStackSubnetFile)
})
Context("when subnetFile and dataDir are specified with ipv4 stack", func() {
It("loads flannel network config with ipv4 stack", func() {
conf, err := loadFlannelNetConf([]byte(onlyIpv4Input))
Expect(err).ShouldNot(HaveOccurred())
Expect(conf.Name).To(Equal("cni-flannel"))
Expect(conf.Type).To(Equal("flannel"))
Expect(conf.SubnetFile).To(Equal(onlyIpv4SubnetFile))
Expect(conf.DataDir).To(Equal(dataDir))
})
})
Context("when subnetFile and dataDir are specified with ipv6 stack", func() {
It("loads flannel network config with ipv6 stack", func() {
conf, err := loadFlannelNetConf([]byte(onlyIpv6Input))
Expect(err).ShouldNot(HaveOccurred())
Expect(conf.Name).To(Equal("cni-flannel"))
Expect(conf.Type).To(Equal("flannel"))
Expect(conf.SubnetFile).To(Equal(onlyIpv6SubnetFile))
Expect(conf.DataDir).To(Equal(dataDir))
})
})
Context("when subnetFile and dataDir are specified with dual stack", func() {
It("loads flannel network config with dual stack", func() {
conf, err := loadFlannelNetConf([]byte(dualStackInput))
Expect(err).ShouldNot(HaveOccurred())
Expect(conf.Name).To(Equal("cni-flannel"))
Expect(conf.Type).To(Equal("flannel"))
Expect(conf.SubnetFile).To(Equal(dualStackSubnetFile))
Expect(conf.DataDir).To(Equal(dataDir))
})
})
Context("when defaulting subnetFile and dataDir with ipv4 stack", func() {
BeforeEach(func() {
onlyIpv4Input = `{
"name": "cni-flannel",
"type": "flannel"
}`
})
It("loads flannel network config with defaults with ipv4 stack", func() {
conf, err := loadFlannelNetConf([]byte(onlyIpv4Input))
Expect(err).ShouldNot(HaveOccurred())
Expect(conf.Name).To(Equal("cni-flannel"))
Expect(conf.Type).To(Equal("flannel"))
Expect(conf.SubnetFile).To(Equal(defaultSubnetFile))
Expect(conf.DataDir).To(Equal(defaultDataDir))
})
})
Context("when defaulting subnetFile and dataDir with ipv6 stack", func() {
BeforeEach(func() {
onlyIpv6Input = `{
"name": "cni-flannel",
"type": "flannel"
}`
})
It("loads flannel network config with defaults with ipv6 stack", func() {
conf, err := loadFlannelNetConf([]byte(onlyIpv6Input))
Expect(err).ShouldNot(HaveOccurred())
Expect(conf.Name).To(Equal("cni-flannel"))
Expect(conf.Type).To(Equal("flannel"))
Expect(conf.SubnetFile).To(Equal(defaultSubnetFile))
Expect(conf.DataDir).To(Equal(defaultDataDir))
})
})
Context("when defaulting subnetFile and dataDir with dual stack", func() {
BeforeEach(func() {
dualStackInput = `{
"name": "cni-flannel",
"type": "flannel"
}`
})
It("loads flannel network config with defaults with dual stack", func() {
conf, err := loadFlannelNetConf([]byte(dualStackInput))
Expect(err).ShouldNot(HaveOccurred())
Expect(conf.Name).To(Equal("cni-flannel"))
Expect(conf.Type).To(Equal("flannel"))
Expect(conf.SubnetFile).To(Equal(defaultSubnetFile))
Expect(conf.DataDir).To(Equal(defaultDataDir))
})
})
Describe("loadFlannelSubnetEnv", func() {
Context("when flannel subnet env is valid with ipv4 stack", func() {
It("loads flannel subnet config with ipv4 stack", func() {
conf, err := loadFlannelSubnetEnv(onlyIpv4SubnetFile)
Expect(err).ShouldNot(HaveOccurred())
Expect(conf.nw.String()).To(Equal("10.1.0.0/16"))
Expect(conf.sn.String()).To(Equal("10.1.17.0/24"))
var mtu uint = 1472
Expect(*conf.mtu).To(Equal(mtu))
Expect(*conf.ipmasq).To(BeTrue())
})
})
Context("when flannel subnet env is valid with ipv6 stack", func() {
It("loads flannel subnet config with ipv6 stack", func() {
conf, err := loadFlannelSubnetEnv(onlyIpv6SubnetFile)
Expect(err).ShouldNot(HaveOccurred())
Expect(conf.ip6Nw.String()).To(Equal("fc00::/48"))
Expect(conf.ip6Sn.String()).To(Equal("fc00::/64"))
var mtu uint = 1472
Expect(*conf.mtu).To(Equal(mtu))
Expect(*conf.ipmasq).To(BeTrue())
})
})
Context("when flannel subnet env is valid with dual stack", func() {
It("loads flannel subnet config with dual stack", func() {
conf, err := loadFlannelSubnetEnv(dualStackSubnetFile)
Expect(err).ShouldNot(HaveOccurred())
Expect(conf.nw.String()).To(Equal("10.1.0.0/16"))
Expect(conf.sn.String()).To(Equal("10.1.17.0/24"))
Expect(conf.ip6Nw.String()).To(Equal("fc00::/48"))
Expect(conf.ip6Sn.String()).To(Equal("fc00::/64"))
var mtu uint = 1472
Expect(*conf.mtu).To(Equal(mtu))
Expect(*conf.ipmasq).To(BeTrue())
})
})
Context("when flannel subnet env is invalid with ipv4 stack", func() {
BeforeEach(func() {
onlyIpv4SubnetFile = writeSubnetEnv("foo=bar")
})
It("returns an error", func() {
_, err := loadFlannelSubnetEnv(onlyIpv4SubnetFile)
Expect(err).To(MatchError(ContainSubstring("missing FLANNEL_NETWORK, FLANNEL_IPV6_NETWORK, FLANNEL_SUBNET, FLANNEL_IPV6_SUBNET, FLANNEL_MTU, FLANNEL_IPMASQ")))
})
})
Context("when flannel subnet env is invalid with ipv6 stack", func() {
BeforeEach(func() {
onlyIpv6SubnetFile = writeSubnetEnv("foo=bar")
})
It("returns an error", func() {
_, err := loadFlannelSubnetEnv(onlyIpv6SubnetFile)
Expect(err).To(MatchError(ContainSubstring("missing FLANNEL_NETWORK, FLANNEL_IPV6_NETWORK, FLANNEL_SUBNET, FLANNEL_IPV6_SUBNET, FLANNEL_MTU, FLANNEL_IPMASQ")))
})
})
Context("when flannel subnet env is invalid with dual stack", func() {
BeforeEach(func() {
dualStackSubnetFile = writeSubnetEnv("foo=bar")
})
It("returns an error", func() {
_, err := loadFlannelSubnetEnv(dualStackSubnetFile)
Expect(err).To(MatchError(ContainSubstring("missing FLANNEL_NETWORK, FLANNEL_IPV6_NETWORK, FLANNEL_SUBNET, FLANNEL_IPV6_SUBNET, FLANNEL_MTU, FLANNEL_IPMASQ")))
})
})
})
})
Describe("getDelegateIPAM", func() {
Context("when input IPAM is provided with ipv4 stack", func() {
BeforeEach(func() {
inputIPAM := makeInputIPAM(inputIPAMType, inputIPAMRoutes, "")
onlyIpv4Input = makeInput(current.ImplementedSpecVersion, inputIPAM, onlyIpv4SubnetFile)
})
It("configures Delegate IPAM accordingly with ipv4 stack", func() {
conf, err := loadFlannelNetConf([]byte(onlyIpv4Input))
Expect(err).ShouldNot(HaveOccurred())
fenv, err := loadFlannelSubnetEnv(onlyIpv4SubnetFile)
Expect(err).ShouldNot(HaveOccurred())
ipam, err := getDelegateIPAM(conf, fenv)
Expect(err).ShouldNot(HaveOccurred())
podsRoute := "{ \"dst\": \"10.1.0.0/16\" }\n"
subnet := "\"ranges\": [[{\"subnet\": \"10.1.17.0/24\"}]]"
expected := makeInputIPAM(inputIPAMType, inputIPAMRoutes+",\n"+podsRoute, ",\n"+subnet)
buf, _ := json.Marshal(ipam)
Expect(buf).Should(MatchJSON(expected))
})
})
Context("when input IPAM is provided with ipv6 stack", func() {
BeforeEach(func() {
inputIPAM := makeInputIPAM(inputIPAMType, inputIPAMRoutes, "")
onlyIpv6Input = makeInput(current.ImplementedSpecVersion, inputIPAM, onlyIpv6SubnetFile)
})
It("configures Delegate IPAM accordingly with ipv6 stack", func() {
conf, err := loadFlannelNetConf([]byte(onlyIpv6Input))
Expect(err).ShouldNot(HaveOccurred())
fenv, err := loadFlannelSubnetEnv(onlyIpv6SubnetFile)
Expect(err).ShouldNot(HaveOccurred())
ipam, err := getDelegateIPAM(conf, fenv)
Expect(err).ShouldNot(HaveOccurred())
podsRoute := "{ \"dst\": \"fc00::/48\" }\n"
subnet := "\"ranges\": [[{ \"subnet\": \"fc00::/64\" }]]"
expected := makeInputIPAM(inputIPAMType, inputIPAMRoutes+",\n"+podsRoute, ",\n"+subnet)
buf, _ := json.Marshal(ipam)
Expect(buf).Should(MatchJSON(expected))
})
})
Context("when input IPAM is provided with dual stack", func() {
BeforeEach(func() {
inputIPAM := makeInputIPAM(inputIPAMType, inputIPAMRoutes, "")
dualStackInput = makeInput(current.ImplementedSpecVersion, inputIPAM, dualStackSubnetFile)
})
It("configures Delegate IPAM accordingly with dual stack", func() {
conf, err := loadFlannelNetConf([]byte(dualStackInput))
Expect(err).ShouldNot(HaveOccurred())
fenv, err := loadFlannelSubnetEnv(dualStackSubnetFile)
Expect(err).ShouldNot(HaveOccurred())
ipam, err := getDelegateIPAM(conf, fenv)
Expect(err).ShouldNot(HaveOccurred())
podsRoute := "{ \"dst\": \"10.1.0.0/16\" }" + ",\n" + "{ \"dst\": \"fc00::/48\" }\n"
subnet := "\"ranges\": [[{ \"subnet\": \"10.1.17.0/24\" }],\n[{ \"subnet\": \"fc00::/64\" }]]"
expected := makeInputIPAM(inputIPAMType, inputIPAMRoutes+",\n"+podsRoute, ",\n"+subnet)
buf, _ := json.Marshal(ipam)
Expect(buf).Should(MatchJSON(expected))
})
})
Context("when input IPAM is provided without 'type' with ipv4 stack", func() {
BeforeEach(func() {
inputIPAM := makeInputIPAM("", inputIPAMRoutes, "")
onlyIpv4Input = makeInput(current.ImplementedSpecVersion, inputIPAM, onlyIpv4SubnetFile)
})
It("configures Delegate IPAM with 'host-local' ipam with ipv4 stack", func() {
conf, err := loadFlannelNetConf([]byte(onlyIpv4Input))
Expect(err).ShouldNot(HaveOccurred())
fenv, err := loadFlannelSubnetEnv(onlyIpv4SubnetFile)
Expect(err).ShouldNot(HaveOccurred())
ipam, err := getDelegateIPAM(conf, fenv)
Expect(err).ShouldNot(HaveOccurred())
podsRoute := "{ \"dst\": \"10.1.0.0/16\" }\n"
subnet := "\"ranges\": [[{\"subnet\": \"10.1.17.0/24\"}]]"
expected := makeInputIPAM("host-local", inputIPAMRoutes+",\n"+podsRoute, ",\n"+subnet)
buf, _ := json.Marshal(ipam)
Expect(buf).Should(MatchJSON(expected))
})
})
Context("when input IPAM is provided without 'type' with ipv6 stack", func() {
BeforeEach(func() {
inputIPAM := makeInputIPAM("", inputIPAMRoutes, "")
onlyIpv6Input = makeInput(current.ImplementedSpecVersion, inputIPAM, onlyIpv6SubnetFile)
})
It("configures Delegate IPAM with 'host-local' ipam with ipv6 stack", func() {
conf, err := loadFlannelNetConf([]byte(onlyIpv6Input))
Expect(err).ShouldNot(HaveOccurred())
fenv, err := loadFlannelSubnetEnv(onlyIpv6SubnetFile)
Expect(err).ShouldNot(HaveOccurred())
ipam, err := getDelegateIPAM(conf, fenv)
Expect(err).ShouldNot(HaveOccurred())
podsRoute := "{ \"dst\": \"fc00::/48\" }\n"
subnet := "\"ranges\": [[{ \"subnet\": \"fc00::/64\" }]]"
expected := makeInputIPAM("host-local", inputIPAMRoutes+",\n"+podsRoute, ",\n"+subnet)
buf, _ := json.Marshal(ipam)
Expect(buf).Should(MatchJSON(expected))
})
})
Context("when input IPAM is provided without 'type' with dual stack", func() {
BeforeEach(func() {
inputIPAM := makeInputIPAM("", inputIPAMRoutes, "")
dualStackInput = makeInput(current.ImplementedSpecVersion, inputIPAM, dualStackSubnetFile)
})
It("configures Delegate IPAM with 'host-local' ipam with dual stack", func() {
conf, err := loadFlannelNetConf([]byte(dualStackInput))
Expect(err).ShouldNot(HaveOccurred())
fenv, err := loadFlannelSubnetEnv(dualStackSubnetFile)
Expect(err).ShouldNot(HaveOccurred())
ipam, err := getDelegateIPAM(conf, fenv)
Expect(err).ShouldNot(HaveOccurred())
podsRoute := "{ \"dst\": \"10.1.0.0/16\" }" + ",\n" + "{ \"dst\": \"fc00::/48\" }\n"
subnet := "\"ranges\": [[{ \"subnet\": \"10.1.17.0/24\" }],\n[{ \"subnet\": \"fc00::/64\" }]]"
expected := makeInputIPAM("host-local", inputIPAMRoutes+",\n"+podsRoute, ",\n"+subnet)
buf, _ := json.Marshal(ipam)
Expect(buf).Should(MatchJSON(expected))
})
})
})
})

26
plugins/meta/flannel/flannel_suite_test.go
View File

@@ -1,26 +0,0 @@
// Copyright 2015 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"testing"
)
func TestFlannel(t *testing.T) {
RegisterFailHandler(Fail)
RunSpecs(t, "plugins/meta/flannel")
}

80
plugins/meta/flannel/flannel_windows.go
View File

@@ -1,80 +0,0 @@
// Copyright 2018 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// This is a "meta-plugin". It reads in its own netconf, combines it with
// the data from flannel generated subnet file and then invokes a plugin
// like bridge or ipvlan to do the real work.
package main
import (
"context"
"encoding/json"
"fmt"
"github.com/containernetworking/cni/pkg/invoke"
"github.com/containernetworking/cni/pkg/skel"
"github.com/containernetworking/cni/pkg/types"
"github.com/containernetworking/cni/pkg/types/020"
"github.com/containernetworking/plugins/pkg/hns"
"os"
)
func doCmdAdd(args *skel.CmdArgs, cniVersion string, n *NetConf, fenv *subnetEnv) error {
n.Delegate["name"] = n.Name
if !hasKey(n.Delegate, "type") {
n.Delegate["type"] = "win-bridge"
}
// if flannel needs ipmasq - get the plugin to configure it
// (this is the opposite of how linux works - on linux the flannel daemon configure ipmasq)
n.Delegate["ipMasq"] = *fenv.ipmasq
n.Delegate["ipMasqNetwork"] = fenv.nw.String()
n.Delegate["cniVersion"] = types020.ImplementedSpecVersion
if len(n.CNIVersion) != 0 {
n.Delegate["cniVersion"] = n.CNIVersion
}
n.Delegate["ipam"] = map[string]interface{}{
"type": "host-local",
"subnet": fenv.sn.String(),
}
sandboxID := hns.GetSandboxContainerID(args.ContainerID, args.Netns)
return delegateAdd(sandboxID, n.DataDir, cniVersion, n.Delegate)
}
func doCmdDel(args *skel.CmdArgs, n *NetConf) (err error) {
cleanup, netConfBytes, err := consumeScratchNetConf(hns.GetSandboxContainerID(args.ContainerID, args.Netns), n.DataDir)
if err != nil {
if os.IsNotExist(err) {
// Per spec should ignore error if resources are missing / already removed
return nil
}
return err
}
// cleanup will work when no error happens
defer func() {
cleanup(err)
}()
nc := &types.NetConf{}
if err = json.Unmarshal(netConfBytes, nc); err != nil {
return fmt.Errorf("failed to parse netconf: %v", err)
}
return invoke.DelegateDel(context.TODO(), nc.Type, netConfBytes, nil)
}

1
plugins/windows_only.txt
View File

@@ -1,4 +1,3 @@
plugins/ipam/host-local
plugins/main/windows/win-bridge
plugins/main/windows/win-overlay
plugins/meta/flannel