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Use pflag IPNet instead of our own helpers

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Since pflag can handle net.IPNet arguements use that code. This means
that our code no longer has casts back and forth and just natively uses
net.IPNet.
This commit is contained in:
Eric Paris 2015-08-05 18:44:51 -04:00
parent fe6b633e2a
commit f3282ff4d2
4 changed files with 8 additions and 119 deletions
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8
cmd/kube-apiserver/app/server.go
View File

@ -94,7 +94,7 @@ type APIServer struct {
EtcdPathPrefix string
CorsAllowedOriginList []string
AllowPrivileged bool
ServiceClusterIPRange util.IPNet // TODO: make this a list
ServiceClusterIPRange net.IPNet // TODO: make this a list
ServiceNodePortRange util.PortRange
EnableLogsSupport bool
MasterServiceNamespace string
@ -197,8 +197,8 @@ func (s *APIServer) AddFlags(fs *pflag.FlagSet) {
fs.StringVar(&s.EtcdPathPrefix, "etcd-prefix", s.EtcdPathPrefix, "The prefix for all resource paths in etcd.")
fs.StringSliceVar(&s.CorsAllowedOriginList, "cors-allowed-origins", s.CorsAllowedOriginList, "List of allowed origins for CORS, comma separated. An allowed origin can be a regular expression to support subdomain matching. If this list is empty CORS will not be enabled.")
fs.BoolVar(&s.AllowPrivileged, "allow-privileged", s.AllowPrivileged, "If true, allow privileged containers.")
fs.Var(&s.ServiceClusterIPRange, "service-cluster-ip-range", "A CIDR notation IP range from which to assign service cluster IPs. This must not overlap with any IP ranges assigned to nodes for pods.")
fs.Var(&s.ServiceClusterIPRange, "portal-net", "Deprecated: see --service-cluster-ip-range instead.")
fs.IPNetVar(&s.ServiceClusterIPRange, "service-cluster-ip-range", s.ServiceClusterIPRange, "A CIDR notation IP range from which to assign service cluster IPs. This must not overlap with any IP ranges assigned to nodes for pods.")
fs.IPNetVar(&s.ServiceClusterIPRange, "portal-net", s.ServiceClusterIPRange, "Deprecated: see --service-cluster-ip-range instead.")
fs.MarkDeprecated("portal-net", "see --service-cluster-ip-range instead.")
fs.Var(&s.ServiceNodePortRange, "service-node-port-range", "A port range to reserve for services with NodePort visibility. Example: '30000-32767'. Inclusive at both ends of the range.")
fs.Var(&s.ServiceNodePortRange, "service-node-ports", "Deprecated: see --service-node-port-range instead.")
@ -325,7 +325,7 @@ func (s *APIServer) Run(_ []string) error {
glog.Fatalf("Invalid experimental storage version or misconfigured etcd: %v", err)
}
n := net.IPNet(s.ServiceClusterIPRange)
n := s.ServiceClusterIPRange
// Default to the private server key for service account token signing
if s.ServiceAccountKeyFile == "" && s.TLSPrivateKeyFile != "" {

8
cmd/kube-controller-manager/app/controllermanager.go
View File

@ -78,7 +78,7 @@ type CMServer struct {
RootCAFile string
ClusterName string
ClusterCIDR util.IPNet
ClusterCIDR net.IPNet
AllocateNodeCIDRs bool
EnableProfiling bool
@ -137,7 +137,7 @@ func (s *CMServer) AddFlags(fs *pflag.FlagSet) {
fs.StringVar(&s.ServiceAccountKeyFile, "service-account-private-key-file", s.ServiceAccountKeyFile, "Filename containing a PEM-encoded private RSA key used to sign service account tokens.")
fs.BoolVar(&s.EnableProfiling, "profiling", true, "Enable profiling via web interface host:port/debug/pprof/")
fs.StringVar(&s.ClusterName, "cluster-name", s.ClusterName, "The instance prefix for the cluster")
fs.Var(&s.ClusterCIDR, "cluster-cidr", "CIDR Range for Pods in cluster.")
fs.IPNetVar(&s.ClusterCIDR, "cluster-cidr", s.ClusterCIDR, "CIDR Range for Pods in cluster.")
fs.BoolVar(&s.AllocateNodeCIDRs, "allocate-node-cidrs", false, "Should CIDRs for Pods be allocated and set on the cloud provider.")
fs.StringVar(&s.Master, "master", s.Master, "The address of the Kubernetes API server (overrides any value in kubeconfig)")
fs.StringVar(&s.Kubeconfig, "kubeconfig", s.Kubeconfig, "Path to kubeconfig file with authorization and master location information.")
@ -197,7 +197,7 @@ func (s *CMServer) Run(_ []string) error {
nodeController := nodecontroller.NewNodeController(cloud, kubeClient,
s.PodEvictionTimeout, nodecontroller.NewPodEvictor(util.NewTokenBucketRateLimiter(s.DeletingPodsQps, s.DeletingPodsBurst)),
s.NodeMonitorGracePeriod, s.NodeStartupGracePeriod, s.NodeMonitorPeriod, (*net.IPNet)(&s.ClusterCIDR), s.AllocateNodeCIDRs)
s.NodeMonitorGracePeriod, s.NodeStartupGracePeriod, s.NodeMonitorPeriod, &s.ClusterCIDR, s.AllocateNodeCIDRs)
nodeController.Run(s.NodeSyncPeriod)
serviceController := servicecontroller.New(cloud, kubeClient, s.ClusterName)
@ -211,7 +211,7 @@ func (s *CMServer) Run(_ []string) error {
} else if routes, ok := cloud.Routes(); !ok {
glog.Warning("allocate-node-cidrs is set, but cloud provider does not support routes. Will not manage routes.")
} else {
routeController := routecontroller.New(routes, kubeClient, s.ClusterName, (*net.IPNet)(&s.ClusterCIDR))
routeController := routecontroller.New(routes, kubeClient, s.ClusterName, &s.ClusterCIDR)
routeController.Run(s.NodeSyncPeriod)
}
}

43
pkg/util/net.go
View File

@ -1,43 +0,0 @@
/*
Copyright 2014 The Kubernetes Authors All rights reserved.
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 util
import (
"net"
"strings"
)
// IPNet adapts net.IPNet for use as a flag.
type IPNet net.IPNet
func (ipnet IPNet) String() string {
n := net.IPNet(ipnet)
return n.String()
}
func (ipnet *IPNet) Set(value string) error {
_, n, err := net.ParseCIDR(strings.TrimSpace(value))
if err != nil {
return err
}
*ipnet = IPNet(*n)
return nil
}
func (*IPNet) Type() string {
return "ipNet"
}

68
pkg/util/net_test.go
View File

@ -1,68 +0,0 @@
/*
Copyright 2014 The Kubernetes Authors All rights reserved.
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 util
import (
"testing"
flag "github.com/spf13/pflag"
)
func TestIPNet(t *testing.T) {
testCases := []struct {
input string
success bool
expected string
}{
{"0.0.0.0/0", true, "0.0.0.0/0"},
{" 0.0.0.0/0 ", true, "0.0.0.0/0"},
{"1.2.3.4/8", true, "1.0.0.0/8"},
{"127.0.0.1/16", true, "127.0.0.0/16"},
{"255.255.255.255/19", true, "255.255.224.0/19"},
{"255.255.255.255/32", true, "255.255.255.255/32"},
{"", false, ""},
{"/0", false, ""},
{"0", false, ""},
{"0/0", false, ""},
{"localhost/0", false, ""},
{"0.0.0/4", false, ""},
{"0.0.0./8", false, ""},
{"0.0.0.0./12", false, ""},
{"0.0.0.256/16", false, ""},
{"0.0.0.0 /20", false, ""},
{"0.0.0.0/ 24", false, ""},
{"0 . 0 . 0 . 0 / 28", false, ""},
{"0.0.0.0/33", false, ""},
}
for i := range testCases {
tc := &testCases[i]
var f flag.Value = &IPNet{}
err := f.Set(tc.input)
if err != nil && tc.success == true {
t.Errorf("expected success, got %q", err)
continue
} else if err == nil && tc.success == false {
t.Errorf("expected failure")
continue
} else if tc.success {
if f.String() != tc.expected {
t.Errorf("expected %q, got %q", tc.expected, f.String())
}
}
}
}