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transform.go
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transform.go
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// Copyright 2020 Antrea 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 common
import (
"fmt"
"net"
"sort"
"strconv"
cpv1beta "github.com/vmware-tanzu/antrea/pkg/apis/controlplane/v1beta2"
)
type GroupMember struct {
Pod *cpv1beta.PodReference `json:"pod,omitempty"`
// IP maintains the IPAddresses associated with the Pod.
IP string `json:"ip,omitempty"`
// Ports maintain the named port mapping of this Pod.
Ports []cpv1beta.NamedPort `json:"ports,omitempty"`
}
func GroupMemberPodTransform(member cpv1beta.GroupMember) GroupMember {
var ipStr string
for i, ip := range member.IPs {
if i != 0 {
ipStr += ", "
}
ipStr += net.IP(ip).String()
}
return GroupMember{Pod: member.Pod, IP: ipStr, Ports: member.Ports}
}
type TableOutput interface {
GetTableHeader() []string
GetTableRow(maxColumnLength int) []string
SortRows() bool
}
func Int32ToString(val int32) string {
return strconv.Itoa(int(val))
}
func GenerateTableElementWithSummary(list []string, maxColumnLength int) string {
element := ""
sort.Strings(list)
for i, ele := range list {
val := ele
if i != 0 {
val = "," + val
}
// If we can't show the information in one line, generate a summary.
summary := fmt.Sprintf(" + %d more...", len(list)-i)
if len(element)+len(val) > maxColumnLength {
element += summary
if len(element) > maxColumnLength {
newEle := ""
for i, ele := range list {
val := ele
if i != 0 {
val = "," + val
}
if i != 0 && len(newEle)+len(val)+len(summary) > maxColumnLength {
break
}
newEle += val
}
newEle += summary
return newEle
}
break
}
element += val
}
return element
}