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iptables part implementation

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This commit is contained in:
m1093782566
2018-01-17 10:30:19 +08:00
parent bf565305ee
commit ddfa04e8f4
6 changed files with 217 additions and 63 deletions
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22
pkg/proxy/iptables/proxier_test.go
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@@ -34,6 +34,7 @@ import (
api "k8s.io/kubernetes/pkg/apis/core"
"k8s.io/kubernetes/pkg/proxy"
utilproxy "k8s.io/kubernetes/pkg/proxy/util"
utilproxytest "k8s.io/kubernetes/pkg/proxy/util/testing"
"k8s.io/kubernetes/pkg/util/async"
"k8s.io/kubernetes/pkg/util/conntrack"
utiliptables "k8s.io/kubernetes/pkg/util/iptables"
@@ -405,6 +406,8 @@ func NewFakeProxier(ipt utiliptables.Interface) *Proxier {
filterRules: bytes.NewBuffer(nil),
natChains: bytes.NewBuffer(nil),
natRules: bytes.NewBuffer(nil),
nodePortAddresses: make([]string, 0),
networkInterfacer: utilproxytest.NewFakeNetwork(),
}
p.syncRunner = async.NewBoundedFrequencyRunner("test-sync-runner", p.syncProxyRules, 0, time.Minute, 1)
return p
@@ -769,6 +772,14 @@ func TestNodePort(t *testing.T) {
}),
)
itf := net.Interface{Index: 0, MTU: 0, Name: "lo", HardwareAddr: nil, Flags: 0}
addrs := []net.Addr{utilproxytest.AddrStruct{Val: "127.0.0.1/16"}}
itf1 := net.Interface{Index: 1, MTU: 0, Name: "eth1", HardwareAddr: nil, Flags: 0}
addrs1 := []net.Addr{utilproxytest.AddrStruct{Val: "::1/128"}}
fp.networkInterfacer.(*utilproxytest.FakeNetwork).AddInterfaceAddr(&itf, addrs)
fp.networkInterfacer.(*utilproxytest.FakeNetwork).AddInterfaceAddr(&itf1, addrs1)
fp.nodePortAddresses = []string{}
fp.syncProxyRules()
proto := strings.ToLower(string(api.ProtocolTCP))
@@ -1001,6 +1012,11 @@ func onlyLocalNodePorts(t *testing.T, fp *Proxier, ipt *iptablestest.FakeIPTable
}),
)
itf := net.Interface{Index: 0, MTU: 0, Name: "eth0", HardwareAddr: nil, Flags: 0}
addrs := []net.Addr{utilproxytest.AddrStruct{Val: "10.20.30.51/24"}}
fp.networkInterfacer.(*utilproxytest.FakeNetwork).AddInterfaceAddr(&itf, addrs)
fp.nodePortAddresses = []string{"10.20.30.0/24"}
fp.syncProxyRules()
proto := strings.ToLower(string(api.ProtocolTCP))
@@ -1013,11 +1029,15 @@ func onlyLocalNodePorts(t *testing.T, fp *Proxier, ipt *iptablestest.FakeIPTable
if !hasJump(kubeNodePortRules, lbChain, "", svcNodePort) {
errorf(fmt.Sprintf("Failed to find jump to lb chain %v", lbChain), kubeNodePortRules, t)
}
if !hasJump(kubeNodePortRules, string(KubeMarkMasqChain), "", svcNodePort) {
errorf(fmt.Sprintf("Failed to find jump to %s chain for destination IP %d", KubeMarkMasqChain, svcNodePort), kubeNodePortRules, t)
}
kubeServiceRules := ipt.GetRules(string(kubeServicesChain))
if !hasJump(kubeServiceRules, string(kubeNodePortsChain), "10.20.30.51", 0) {
errorf(fmt.Sprintf("Failed to find jump to KUBE-NODEPORTS chain %v", string(kubeNodePortsChain)), kubeServiceRules, t)
}
svcChain := string(servicePortChainName(svcPortName.String(), proto))
lbRules := ipt.GetRules(lbChain)
if hasJump(lbRules, nonLocalEpChain, "", 0) {