[scheduler cleanup phase 1]: Move NodeInfo utils into pkg/scheduler/cache

pkg/scheduler/algorithm/predicates/utils.go

@@ -19,7 +19,7 @@ package predicates
 import (
 	"k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/labels"
-	schedutil "k8s.io/kubernetes/pkg/scheduler/util"
+	schedulercache "k8s.io/kubernetes/pkg/scheduler/cache"
 )
 
 // FindLabelsInSet gets as many key/value pairs as possible out of a label set.
@@ -68,7 +68,7 @@ func CreateSelectorFromLabels(aL map[string]string) labels.Selector {
 
 // portsConflict check whether existingPorts and wantPorts conflict with each other
 // return true if we have a conflict
-func portsConflict(existingPorts schedutil.HostPortInfo, wantPorts []*v1.ContainerPort) bool {
+func portsConflict(existingPorts schedulercache.HostPortInfo, wantPorts []*v1.ContainerPort) bool {
 	for _, cp := range wantPorts {
 		if existingPorts.CheckConflict(cp.HostIP, string(cp.Protocol), cp.HostPort) {
 			return true

pkg/scheduler/cache/BUILD

@@ -3,6 +3,7 @@ load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
 go_library(
     name = "go_default_library",
     srcs = [
+        "host_ports.go",
         "node_info.go",
         "util.go",
     ],
@@ -11,7 +12,6 @@ go_library(
     deps = [
         "//pkg/apis/core/v1/helper:go_default_library",
         "//pkg/scheduler/algorithm/priorities/util:go_default_library",
-        "//pkg/scheduler/util:go_default_library",
         "//staging/src/k8s.io/api/core/v1:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/api/resource:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/util/sets:go_default_library",
@@ -22,12 +22,12 @@ go_library(
 go_test(
     name = "go_default_test",
     srcs = [
+        "host_ports_test.go",
         "node_info_test.go",
         "util_test.go",
     ],
     embed = [":go_default_library"],
     deps = [
-        "//pkg/scheduler/util:go_default_library",
         "//staging/src/k8s.io/api/core/v1:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/api/resource:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",

pkg/scheduler/cache/host_ports.go

@@ -0,0 +1,135 @@
+/*
+Copyright 2018 The Kubernetes 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 cache
+
+import (
+	"k8s.io/api/core/v1"
+)
+
+// DefaultBindAllHostIP defines the default ip address used to bind to all host.
+const DefaultBindAllHostIP = "0.0.0.0"
+
+// ProtocolPort represents a protocol port pair, e.g. tcp:80.
+type ProtocolPort struct {
+	Protocol string
+	Port     int32
+}
+
+// NewProtocolPort creates a ProtocolPort instance.
+func NewProtocolPort(protocol string, port int32) *ProtocolPort {
+	pp := &ProtocolPort{
+		Protocol: protocol,
+		Port:     port,
+	}
+
+	if len(pp.Protocol) == 0 {
+		pp.Protocol = string(v1.ProtocolTCP)
+	}
+
+	return pp
+}
+
+// HostPortInfo stores mapping from ip to a set of ProtocolPort
+type HostPortInfo map[string]map[ProtocolPort]struct{}
+
+// Add adds (ip, protocol, port) to HostPortInfo
+func (h HostPortInfo) Add(ip, protocol string, port int32) {
+	if port <= 0 {
+		return
+	}
+
+	h.sanitize(&ip, &protocol)
+
+	pp := NewProtocolPort(protocol, port)
+	if _, ok := h[ip]; !ok {
+		h[ip] = map[ProtocolPort]struct{}{
+			*pp: {},
+		}
+		return
+	}
+
+	h[ip][*pp] = struct{}{}
+}
+
+// Remove removes (ip, protocol, port) from HostPortInfo
+func (h HostPortInfo) Remove(ip, protocol string, port int32) {
+	if port <= 0 {
+		return
+	}
+
+	h.sanitize(&ip, &protocol)
+
+	pp := NewProtocolPort(protocol, port)
+	if m, ok := h[ip]; ok {
+		delete(m, *pp)
+		if len(h[ip]) == 0 {
+			delete(h, ip)
+		}
+	}
+}
+
+// Len returns the total number of (ip, protocol, port) tuple in HostPortInfo
+func (h HostPortInfo) Len() int {
+	length := 0
+	for _, m := range h {
+		length += len(m)
+	}
+	return length
+}
+
+// CheckConflict checks if the input (ip, protocol, port) conflicts with the existing
+// ones in HostPortInfo.
+func (h HostPortInfo) CheckConflict(ip, protocol string, port int32) bool {
+	if port <= 0 {
+		return false
+	}
+
+	h.sanitize(&ip, &protocol)
+
+	pp := NewProtocolPort(protocol, port)
+
+	// If ip is 0.0.0.0 check all IP's (protocol, port) pair
+	if ip == DefaultBindAllHostIP {
+		for _, m := range h {
+			if _, ok := m[*pp]; ok {
+				return true
+			}
+		}
+		return false
+	}
+
+	// If ip isn't 0.0.0.0, only check IP and 0.0.0.0's (protocol, port) pair
+	for _, key := range []string{DefaultBindAllHostIP, ip} {
+		if m, ok := h[key]; ok {
+			if _, ok2 := m[*pp]; ok2 {
+				return true
+			}
+		}
+	}
+
+	return false
+}
+
+// sanitize the parameters
+func (h HostPortInfo) sanitize(ip, protocol *string) {
+	if len(*ip) == 0 {
+		*ip = DefaultBindAllHostIP
+	}
+	if len(*protocol) == 0 {
+		*protocol = string(v1.ProtocolTCP)
+	}
+}

pkg/scheduler/cache/host_ports_test.go

@@ -0,0 +1,231 @@
+/*
+Copyright 2018 The Kubernetes 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 cache
+
+import (
+	"testing"
+)
+
+type hostPortInfoParam struct {
+	protocol, ip string
+	port         int32
+}
+
+func TestHostPortInfo_AddRemove(t *testing.T) {
+	tests := []struct {
+		desc    string
+		added   []hostPortInfoParam
+		removed []hostPortInfoParam
+		length  int
+	}{
+		{
+			desc: "normal add case",
+			added: []hostPortInfoParam{
+				{"TCP", "127.0.0.1", 79},
+				{"UDP", "127.0.0.1", 80},
+				{"TCP", "127.0.0.1", 81},
+				{"TCP", "127.0.0.1", 82},
+				// this might not make sense in real case, but the struct doesn't forbid it.
+				{"TCP", "0.0.0.0", 79},
+				{"UDP", "0.0.0.0", 80},
+				{"TCP", "0.0.0.0", 81},
+				{"TCP", "0.0.0.0", 82},
+				{"TCP", "0.0.0.0", 0},
+				{"TCP", "0.0.0.0", -1},
+			},
+			length: 8,
+		},
+		{
+			desc: "empty ip and protocol add should work",
+			added: []hostPortInfoParam{
+				{"", "127.0.0.1", 79},
+				{"UDP", "127.0.0.1", 80},
+				{"", "127.0.0.1", 81},
+				{"", "127.0.0.1", 82},
+				{"", "", 79},
+				{"UDP", "", 80},
+				{"", "", 81},
+				{"", "", 82},
+				{"", "", 0},
+				{"", "", -1},
+			},
+			length: 8,
+		},
+		{
+			desc: "normal remove case",
+			added: []hostPortInfoParam{
+				{"TCP", "127.0.0.1", 79},
+				{"UDP", "127.0.0.1", 80},
+				{"TCP", "127.0.0.1", 81},
+				{"TCP", "127.0.0.1", 82},
+				{"TCP", "0.0.0.0", 79},
+				{"UDP", "0.0.0.0", 80},
+				{"TCP", "0.0.0.0", 81},
+				{"TCP", "0.0.0.0", 82},
+			},
+			removed: []hostPortInfoParam{
+				{"TCP", "127.0.0.1", 79},
+				{"UDP", "127.0.0.1", 80},
+				{"TCP", "127.0.0.1", 81},
+				{"TCP", "127.0.0.1", 82},
+				{"TCP", "0.0.0.0", 79},
+				{"UDP", "0.0.0.0", 80},
+				{"TCP", "0.0.0.0", 81},
+				{"TCP", "0.0.0.0", 82},
+			},
+			length: 0,
+		},
+		{
+			desc: "empty ip and protocol remove should work",
+			added: []hostPortInfoParam{
+				{"TCP", "127.0.0.1", 79},
+				{"UDP", "127.0.0.1", 80},
+				{"TCP", "127.0.0.1", 81},
+				{"TCP", "127.0.0.1", 82},
+				{"TCP", "0.0.0.0", 79},
+				{"UDP", "0.0.0.0", 80},
+				{"TCP", "0.0.0.0", 81},
+				{"TCP", "0.0.0.0", 82},
+			},
+			removed: []hostPortInfoParam{
+				{"", "127.0.0.1", 79},
+				{"", "127.0.0.1", 81},
+				{"", "127.0.0.1", 82},
+				{"UDP", "127.0.0.1", 80},
+				{"", "", 79},
+				{"", "", 81},
+				{"", "", 82},
+				{"UDP", "", 80},
+			},
+			length: 0,
+		},
+	}
+
+	for _, test := range tests {
+		hp := make(HostPortInfo)
+		for _, param := range test.added {
+			hp.Add(param.ip, param.protocol, param.port)
+		}
+		for _, param := range test.removed {
+			hp.Remove(param.ip, param.protocol, param.port)
+		}
+		if hp.Len() != test.length {
+			t.Errorf("%v failed: expect length %d; got %d", test.desc, test.length, hp.Len())
+			t.Error(hp)
+		}
+	}
+}
+
+func TestHostPortInfo_Check(t *testing.T) {
+	tests := []struct {
+		desc   string
+		added  []hostPortInfoParam
+		check  hostPortInfoParam
+		expect bool
+	}{
+		{
+			desc: "empty check should check 0.0.0.0 and TCP",
+			added: []hostPortInfoParam{
+				{"TCP", "127.0.0.1", 80},
+			},
+			check:  hostPortInfoParam{"", "", 81},
+			expect: false,
+		},
+		{
+			desc: "empty check should check 0.0.0.0 and TCP (conflicted)",
+			added: []hostPortInfoParam{
+				{"TCP", "127.0.0.1", 80},
+			},
+			check:  hostPortInfoParam{"", "", 80},
+			expect: true,
+		},
+		{
+			desc: "empty port check should pass",
+			added: []hostPortInfoParam{
+				{"TCP", "127.0.0.1", 80},
+			},
+			check:  hostPortInfoParam{"", "", 0},
+			expect: false,
+		},
+		{
+			desc: "0.0.0.0 should check all registered IPs",
+			added: []hostPortInfoParam{
+				{"TCP", "127.0.0.1", 80},
+			},
+			check:  hostPortInfoParam{"TCP", "0.0.0.0", 80},
+			expect: true,
+		},
+		{
+			desc: "0.0.0.0 with different protocol should be allowed",
+			added: []hostPortInfoParam{
+				{"UDP", "127.0.0.1", 80},
+			},
+			check:  hostPortInfoParam{"TCP", "0.0.0.0", 80},
+			expect: false,
+		},
+		{
+			desc: "0.0.0.0 with different port should be allowed",
+			added: []hostPortInfoParam{
+				{"TCP", "127.0.0.1", 79},
+				{"TCP", "127.0.0.1", 81},
+				{"TCP", "127.0.0.1", 82},
+			},
+			check:  hostPortInfoParam{"TCP", "0.0.0.0", 80},
+			expect: false,
+		},
+		{
+			desc: "normal ip should check all registered 0.0.0.0",
+			added: []hostPortInfoParam{
+				{"TCP", "0.0.0.0", 80},
+			},
+			check:  hostPortInfoParam{"TCP", "127.0.0.1", 80},
+			expect: true,
+		},
+		{
+			desc: "normal ip with different port/protocol should be allowed (0.0.0.0)",
+			added: []hostPortInfoParam{
+				{"TCP", "0.0.0.0", 79},
+				{"UDP", "0.0.0.0", 80},
+				{"TCP", "0.0.0.0", 81},
+				{"TCP", "0.0.0.0", 82},
+			},
+			check:  hostPortInfoParam{"TCP", "127.0.0.1", 80},
+			expect: false,
+		},
+		{
+			desc: "normal ip with different port/protocol should be allowed",
+			added: []hostPortInfoParam{
+				{"TCP", "127.0.0.1", 79},
+				{"UDP", "127.0.0.1", 80},
+				{"TCP", "127.0.0.1", 81},
+				{"TCP", "127.0.0.1", 82},
+			},
+			check:  hostPortInfoParam{"TCP", "127.0.0.1", 80},
+			expect: false,
+		},
+	}
+
+	for _, test := range tests {
+		hp := make(HostPortInfo)
+		for _, param := range test.added {
+			hp.Add(param.ip, param.protocol, param.port)
+		}
+		if hp.CheckConflict(test.check.ip, test.check.protocol, test.check.port) != test.expect {
+			t.Errorf("%v failed, expected %t; got %t", test.desc, test.expect, !test.expect)
+		}
+	}
+}

pkg/scheduler/cache/node_info.go

@@ -28,7 +28,6 @@ import (
 	"k8s.io/apimachinery/pkg/api/resource"
 	v1helper "k8s.io/kubernetes/pkg/apis/core/v1/helper"
 	priorityutil "k8s.io/kubernetes/pkg/scheduler/algorithm/priorities/util"
-	"k8s.io/kubernetes/pkg/scheduler/util"
 )
 
 var (
@@ -51,7 +50,7 @@ type NodeInfo struct {
 
 	pods             []*v1.Pod
 	podsWithAffinity []*v1.Pod
-	usedPorts        util.HostPortInfo
+	usedPorts        HostPortInfo
 
 	// Total requested resource of all pods on this node.
 	// It includes assumed pods which scheduler sends binding to apiserver but
@@ -269,7 +268,7 @@ func NewNodeInfo(pods ...*v1.Pod) *NodeInfo {
 		allocatableResource: &Resource{},
 		TransientInfo:       NewTransientSchedulerInfo(),
 		generation:          nextGeneration(),
-		usedPorts:           make(util.HostPortInfo),
+		usedPorts:           make(HostPortInfo),
 		imageStates:         make(map[string]*ImageStateSummary),
 	}
 	for _, pod := range pods {
@@ -300,7 +299,7 @@ func (n *NodeInfo) SetPods(pods []*v1.Pod) {
 }
 
 // UsedPorts returns used ports on this node.
-func (n *NodeInfo) UsedPorts() util.HostPortInfo {
+func (n *NodeInfo) UsedPorts() HostPortInfo {
 	if n == nil {
 		return nil
 	}
@@ -308,7 +307,7 @@ func (n *NodeInfo) UsedPorts() util.HostPortInfo {
 }
 
 // SetUsedPorts sets the used ports on this node.
-func (n *NodeInfo) SetUsedPorts(newUsedPorts util.HostPortInfo) {
+func (n *NodeInfo) SetUsedPorts(newUsedPorts HostPortInfo) {
 	n.usedPorts = newUsedPorts
 }
 
@@ -443,7 +442,7 @@ func (n *NodeInfo) Clone() *NodeInfo {
 		memoryPressureCondition: n.memoryPressureCondition,
 		diskPressureCondition:   n.diskPressureCondition,
 		pidPressureCondition:    n.pidPressureCondition,
-		usedPorts:               make(util.HostPortInfo),
+		usedPorts:               make(HostPortInfo),
 		imageStates:             n.imageStates,
 		generation:              n.generation,
 	}
@@ -451,10 +450,10 @@ func (n *NodeInfo) Clone() *NodeInfo {
 		clone.pods = append([]*v1.Pod(nil), n.pods...)
 	}
 	if len(n.usedPorts) > 0 {
-		// util.HostPortInfo is a map-in-map struct
+		// HostPortInfo is a map-in-map struct
 		// make sure it's deep copied
 		for ip, portMap := range n.usedPorts {
-			clone.usedPorts[ip] = make(map[util.ProtocolPort]struct{})
+			clone.usedPorts[ip] = make(map[ProtocolPort]struct{})
 			for protocolPort, v := range portMap {
 				clone.usedPorts[ip][protocolPort] = v
 			}

pkg/scheduler/cache/node_info_test.go

@@ -26,7 +26,6 @@ import (
 	"k8s.io/apimachinery/pkg/api/resource"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/types"
-	"k8s.io/kubernetes/pkg/scheduler/util"
 )
 
 func TestNewResource(t *testing.T) {
@@ -303,8 +302,8 @@ func TestNewNodeInfo(t *testing.T) {
 		TransientInfo:       NewTransientSchedulerInfo(),
 		allocatableResource: &Resource{},
 		generation:          2,
-		usedPorts: util.HostPortInfo{
+		usedPorts: HostPortInfo{
-			"127.0.0.1": map[util.ProtocolPort]struct{}{
+			"127.0.0.1": map[ProtocolPort]struct{}{
 				{Protocol: "TCP", Port: 80}:   {},
 				{Protocol: "TCP", Port: 8080}: {},
 			},
@@ -392,8 +391,8 @@ func TestNodeInfoClone(t *testing.T) {
 				TransientInfo:       NewTransientSchedulerInfo(),
 				allocatableResource: &Resource{},
 				generation:          2,
-				usedPorts: util.HostPortInfo{
+				usedPorts: HostPortInfo{
-					"127.0.0.1": map[util.ProtocolPort]struct{}{
+					"127.0.0.1": map[ProtocolPort]struct{}{
 						{Protocol: "TCP", Port: 80}:   {},
 						{Protocol: "TCP", Port: 8080}: {},
 					},
@@ -462,8 +461,8 @@ func TestNodeInfoClone(t *testing.T) {
 				TransientInfo:       NewTransientSchedulerInfo(),
 				allocatableResource: &Resource{},
 				generation:          2,
-				usedPorts: util.HostPortInfo{
+				usedPorts: HostPortInfo{
-					"127.0.0.1": map[util.ProtocolPort]struct{}{
+					"127.0.0.1": map[ProtocolPort]struct{}{
 						{Protocol: "TCP", Port: 80}:   {},
 						{Protocol: "TCP", Port: 8080}: {},
 					},
@@ -621,8 +620,8 @@ func TestNodeInfoAddPod(t *testing.T) {
 		TransientInfo:       NewTransientSchedulerInfo(),
 		allocatableResource: &Resource{},
 		generation:          2,
-		usedPorts: util.HostPortInfo{
+		usedPorts: HostPortInfo{
-			"127.0.0.1": map[util.ProtocolPort]struct{}{
+			"127.0.0.1": map[ProtocolPort]struct{}{
 				{Protocol: "TCP", Port: 80}:   {},
 				{Protocol: "TCP", Port: 8080}: {},
 			},
@@ -740,8 +739,8 @@ func TestNodeInfoRemovePod(t *testing.T) {
 				TransientInfo:       NewTransientSchedulerInfo(),
 				allocatableResource: &Resource{},
 				generation:          2,
-				usedPorts: util.HostPortInfo{
+				usedPorts: HostPortInfo{
-					"127.0.0.1": map[util.ProtocolPort]struct{}{
+					"127.0.0.1": map[ProtocolPort]struct{}{
 						{Protocol: "TCP", Port: 80}:   {},
 						{Protocol: "TCP", Port: 8080}: {},
 					},
@@ -857,8 +856,8 @@ func TestNodeInfoRemovePod(t *testing.T) {
 				TransientInfo:       NewTransientSchedulerInfo(),
 				allocatableResource: &Resource{},
 				generation:          3,
-				usedPorts: util.HostPortInfo{
+				usedPorts: HostPortInfo{
-					"127.0.0.1": map[util.ProtocolPort]struct{}{
+					"127.0.0.1": map[ProtocolPort]struct{}{
 						{Protocol: "TCP", Port: 8080}: {},
 					},
 				},

pkg/scheduler/internal/cache/BUILD

@@ -34,7 +34,6 @@ go_test(
         "//pkg/kubelet/apis:go_default_library",
         "//pkg/scheduler/algorithm/priorities/util:go_default_library",
         "//pkg/scheduler/cache:go_default_library",
-        "//pkg/scheduler/util:go_default_library",
         "//staging/src/k8s.io/api/core/v1:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/api/resource:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",

pkg/scheduler/internal/cache/cache_test.go

@@ -32,8 +32,6 @@ import (
 	"k8s.io/kubernetes/pkg/features"
 	priorityutil "k8s.io/kubernetes/pkg/scheduler/algorithm/priorities/util"
 	schedulercache "k8s.io/kubernetes/pkg/scheduler/cache"
-	"k8s.io/kubernetes/pkg/scheduler/util"
-	schedutil "k8s.io/kubernetes/pkg/scheduler/util"
 )
 
 func deepEqualWithoutGeneration(t *testing.T, testcase int, actual, expected *schedulercache.NodeInfo) {
@@ -67,8 +65,8 @@ func (b *hostPortInfoBuilder) add(protocol, ip string, port int32) *hostPortInfo
 	return b
 }
 
-func (b *hostPortInfoBuilder) build() schedutil.HostPortInfo {
+func (b *hostPortInfoBuilder) build() schedulercache.HostPortInfo {
-	res := make(schedutil.HostPortInfo)
+	res := make(schedulercache.HostPortInfo)
 	for _, param := range b.inputs {
 		res.Add(param.ip, param.protocol, param.port)
 	}
@@ -78,7 +76,7 @@ func (b *hostPortInfoBuilder) build() schedutil.HostPortInfo {
 func newNodeInfo(requestedResource *schedulercache.Resource,
 	nonzeroRequest *schedulercache.Resource,
 	pods []*v1.Pod,
-	usedPorts util.HostPortInfo,
+	usedPorts schedulercache.HostPortInfo,
 	imageStates map[string]*schedulercache.ImageStateSummary,
 ) *schedulercache.NodeInfo {
 	nodeInfo := schedulercache.NewNodeInfo(pods...)
@@ -747,7 +745,7 @@ func TestEphemeralStorageResource(t *testing.T) {
 					Memory:   priorityutil.DefaultMemoryRequest,
 				},
 				[]*v1.Pod{podE},
-				schedutil.HostPortInfo{},
+				schedulercache.HostPortInfo{},
 				make(map[string]*schedulercache.ImageStateSummary),
 			),
 		},

pkg/scheduler/util/utils.go

@@ -25,120 +25,6 @@ import (
 	"k8s.io/kubernetes/pkg/features"
 )
 
-// DefaultBindAllHostIP defines the default ip address used to bind to all host.
-const DefaultBindAllHostIP = "0.0.0.0"
-
-// ProtocolPort represents a protocol port pair, e.g. tcp:80.
-type ProtocolPort struct {
-	Protocol string
-	Port     int32
-}
-
-// NewProtocolPort creates a ProtocolPort instance.
-func NewProtocolPort(protocol string, port int32) *ProtocolPort {
-	pp := &ProtocolPort{
-		Protocol: protocol,
-		Port:     port,
-	}
-
-	if len(pp.Protocol) == 0 {
-		pp.Protocol = string(v1.ProtocolTCP)
-	}
-
-	return pp
-}
-
-// HostPortInfo stores mapping from ip to a set of ProtocolPort
-type HostPortInfo map[string]map[ProtocolPort]struct{}
-
-// Add adds (ip, protocol, port) to HostPortInfo
-func (h HostPortInfo) Add(ip, protocol string, port int32) {
-	if port <= 0 {
-		return
-	}
-
-	h.sanitize(&ip, &protocol)
-
-	pp := NewProtocolPort(protocol, port)
-	if _, ok := h[ip]; !ok {
-		h[ip] = map[ProtocolPort]struct{}{
-			*pp: {},
-		}
-		return
-	}
-
-	h[ip][*pp] = struct{}{}
-}
-
-// Remove removes (ip, protocol, port) from HostPortInfo
-func (h HostPortInfo) Remove(ip, protocol string, port int32) {
-	if port <= 0 {
-		return
-	}
-
-	h.sanitize(&ip, &protocol)
-
-	pp := NewProtocolPort(protocol, port)
-	if m, ok := h[ip]; ok {
-		delete(m, *pp)
-		if len(h[ip]) == 0 {
-			delete(h, ip)
-		}
-	}
-}
-
-// Len returns the total number of (ip, protocol, port) tuple in HostPortInfo
-func (h HostPortInfo) Len() int {
-	length := 0
-	for _, m := range h {
-		length += len(m)
-	}
-	return length
-}
-
-// CheckConflict checks if the input (ip, protocol, port) conflicts with the existing
-// ones in HostPortInfo.
-func (h HostPortInfo) CheckConflict(ip, protocol string, port int32) bool {
-	if port <= 0 {
-		return false
-	}
-
-	h.sanitize(&ip, &protocol)
-
-	pp := NewProtocolPort(protocol, port)
-
-	// If ip is 0.0.0.0 check all IP's (protocol, port) pair
-	if ip == DefaultBindAllHostIP {
-		for _, m := range h {
-			if _, ok := m[*pp]; ok {
-				return true
-			}
-		}
-		return false
-	}
-
-	// If ip isn't 0.0.0.0, only check IP and 0.0.0.0's (protocol, port) pair
-	for _, key := range []string{DefaultBindAllHostIP, ip} {
-		if m, ok := h[key]; ok {
-			if _, ok2 := m[*pp]; ok2 {
-				return true
-			}
-		}
-	}
-
-	return false
-}
-
-// sanitize the parameters
-func (h HostPortInfo) sanitize(ip, protocol *string) {
-	if len(*ip) == 0 {
-		*ip = DefaultBindAllHostIP
-	}
-	if len(*protocol) == 0 {
-		*protocol = string(v1.ProtocolTCP)
-	}
-}
-
 // GetContainerPorts returns the used host ports of Pods: if 'port' was used, a 'port:true' pair
 // will be in the result; but it does not resolve port conflict.
 func GetContainerPorts(pods ...*v1.Pod) []*v1.ContainerPort {

pkg/scheduler/util/utils_test.go

@@ -96,216 +96,6 @@ func TestSortableList(t *testing.T) {
 	}
 }
 
-type hostPortInfoParam struct {
-	protocol, ip string
-	port         int32
-}
-
-func TestHostPortInfo_AddRemove(t *testing.T) {
-	tests := []struct {
-		desc    string
-		added   []hostPortInfoParam
-		removed []hostPortInfoParam
-		length  int
-	}{
-		{
-			desc: "normal add case",
-			added: []hostPortInfoParam{
-				{"TCP", "127.0.0.1", 79},
-				{"UDP", "127.0.0.1", 80},
-				{"TCP", "127.0.0.1", 81},
-				{"TCP", "127.0.0.1", 82},
-				// this might not make sense in real case, but the struct doesn't forbid it.
-				{"TCP", "0.0.0.0", 79},
-				{"UDP", "0.0.0.0", 80},
-				{"TCP", "0.0.0.0", 81},
-				{"TCP", "0.0.0.0", 82},
-				{"TCP", "0.0.0.0", 0},
-				{"TCP", "0.0.0.0", -1},
-			},
-			length: 8,
-		},
-		{
-			desc: "empty ip and protocol add should work",
-			added: []hostPortInfoParam{
-				{"", "127.0.0.1", 79},
-				{"UDP", "127.0.0.1", 80},
-				{"", "127.0.0.1", 81},
-				{"", "127.0.0.1", 82},
-				{"", "", 79},
-				{"UDP", "", 80},
-				{"", "", 81},
-				{"", "", 82},
-				{"", "", 0},
-				{"", "", -1},
-			},
-			length: 8,
-		},
-		{
-			desc: "normal remove case",
-			added: []hostPortInfoParam{
-				{"TCP", "127.0.0.1", 79},
-				{"UDP", "127.0.0.1", 80},
-				{"TCP", "127.0.0.1", 81},
-				{"TCP", "127.0.0.1", 82},
-				{"TCP", "0.0.0.0", 79},
-				{"UDP", "0.0.0.0", 80},
-				{"TCP", "0.0.0.0", 81},
-				{"TCP", "0.0.0.0", 82},
-			},
-			removed: []hostPortInfoParam{
-				{"TCP", "127.0.0.1", 79},
-				{"UDP", "127.0.0.1", 80},
-				{"TCP", "127.0.0.1", 81},
-				{"TCP", "127.0.0.1", 82},
-				{"TCP", "0.0.0.0", 79},
-				{"UDP", "0.0.0.0", 80},
-				{"TCP", "0.0.0.0", 81},
-				{"TCP", "0.0.0.0", 82},
-			},
-			length: 0,
-		},
-		{
-			desc: "empty ip and protocol remove should work",
-			added: []hostPortInfoParam{
-				{"TCP", "127.0.0.1", 79},
-				{"UDP", "127.0.0.1", 80},
-				{"TCP", "127.0.0.1", 81},
-				{"TCP", "127.0.0.1", 82},
-				{"TCP", "0.0.0.0", 79},
-				{"UDP", "0.0.0.0", 80},
-				{"TCP", "0.0.0.0", 81},
-				{"TCP", "0.0.0.0", 82},
-			},
-			removed: []hostPortInfoParam{
-				{"", "127.0.0.1", 79},
-				{"", "127.0.0.1", 81},
-				{"", "127.0.0.1", 82},
-				{"UDP", "127.0.0.1", 80},
-				{"", "", 79},
-				{"", "", 81},
-				{"", "", 82},
-				{"UDP", "", 80},
-			},
-			length: 0,
-		},
-	}
-
-	for _, test := range tests {
-		hp := make(HostPortInfo)
-		for _, param := range test.added {
-			hp.Add(param.ip, param.protocol, param.port)
-		}
-		for _, param := range test.removed {
-			hp.Remove(param.ip, param.protocol, param.port)
-		}
-		if hp.Len() != test.length {
-			t.Errorf("%v failed: expect length %d; got %d", test.desc, test.length, hp.Len())
-			t.Error(hp)
-		}
-	}
-}
-
-func TestHostPortInfo_Check(t *testing.T) {
-	tests := []struct {
-		desc   string
-		added  []hostPortInfoParam
-		check  hostPortInfoParam
-		expect bool
-	}{
-		{
-			desc: "empty check should check 0.0.0.0 and TCP",
-			added: []hostPortInfoParam{
-				{"TCP", "127.0.0.1", 80},
-			},
-			check:  hostPortInfoParam{"", "", 81},
-			expect: false,
-		},
-		{
-			desc: "empty check should check 0.0.0.0 and TCP (conflicted)",
-			added: []hostPortInfoParam{
-				{"TCP", "127.0.0.1", 80},
-			},
-			check:  hostPortInfoParam{"", "", 80},
-			expect: true,
-		},
-		{
-			desc: "empty port check should pass",
-			added: []hostPortInfoParam{
-				{"TCP", "127.0.0.1", 80},
-			},
-			check:  hostPortInfoParam{"", "", 0},
-			expect: false,
-		},
-		{
-			desc: "0.0.0.0 should check all registered IPs",
-			added: []hostPortInfoParam{
-				{"TCP", "127.0.0.1", 80},
-			},
-			check:  hostPortInfoParam{"TCP", "0.0.0.0", 80},
-			expect: true,
-		},
-		{
-			desc: "0.0.0.0 with different protocol should be allowed",
-			added: []hostPortInfoParam{
-				{"UDP", "127.0.0.1", 80},
-			},
-			check:  hostPortInfoParam{"TCP", "0.0.0.0", 80},
-			expect: false,
-		},
-		{
-			desc: "0.0.0.0 with different port should be allowed",
-			added: []hostPortInfoParam{
-				{"TCP", "127.0.0.1", 79},
-				{"TCP", "127.0.0.1", 81},
-				{"TCP", "127.0.0.1", 82},
-			},
-			check:  hostPortInfoParam{"TCP", "0.0.0.0", 80},
-			expect: false,
-		},
-		{
-			desc: "normal ip should check all registered 0.0.0.0",
-			added: []hostPortInfoParam{
-				{"TCP", "0.0.0.0", 80},
-			},
-			check:  hostPortInfoParam{"TCP", "127.0.0.1", 80},
-			expect: true,
-		},
-		{
-			desc: "normal ip with different port/protocol should be allowed (0.0.0.0)",
-			added: []hostPortInfoParam{
-				{"TCP", "0.0.0.0", 79},
-				{"UDP", "0.0.0.0", 80},
-				{"TCP", "0.0.0.0", 81},
-				{"TCP", "0.0.0.0", 82},
-			},
-			check:  hostPortInfoParam{"TCP", "127.0.0.1", 80},
-			expect: false,
-		},
-		{
-			desc: "normal ip with different port/protocol should be allowed",
-			added: []hostPortInfoParam{
-				{"TCP", "127.0.0.1", 79},
-				{"UDP", "127.0.0.1", 80},
-				{"TCP", "127.0.0.1", 81},
-				{"TCP", "127.0.0.1", 82},
-			},
-			check:  hostPortInfoParam{"TCP", "127.0.0.1", 80},
-			expect: false,
-		},
-	}
-
-	for _, test := range tests {
-		hp := make(HostPortInfo)
-		for _, param := range test.added {
-			hp.Add(param.ip, param.protocol, param.port)
-		}
-		if hp.CheckConflict(test.check.ip, test.check.protocol, test.check.port) != test.expect {
-			t.Errorf("%v failed, expected %t; got %t", test.desc, test.expect, !test.expect)
-		}
-	}
-}
-
 func TestGetContainerPorts(t *testing.T) {
 	tests := []struct {
 		pod1     *v1.Pod