95 lines
2.0 KiB
Go
95 lines
2.0 KiB
Go
/*
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Copyright 2018 The KubeSphere Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package idutils
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import (
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"errors"
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"net"
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"os"
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"github.com/golang/example/stringutil"
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"github.com/sony/sonyflake"
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hashids "github.com/speps/go-hashids"
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"kubesphere.io/kubesphere/pkg/utils/stringutils"
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)
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var sf *sonyflake.Sonyflake
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func init() {
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var st sonyflake.Settings
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if len(os.Getenv("DEVOPSPHERE_IP")) != 0 {
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st.MachineID = machineID
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}
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sf = sonyflake.NewSonyflake(st)
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if sf == nil {
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panic("failed to initialize sonyflake")
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}
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}
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func GetIntId() uint64 {
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id, err := sf.NextID()
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if err != nil {
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panic(err)
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}
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return id
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}
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// format likes: B6BZVN3mOPvx
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func GetUuid(prefix string) string {
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id := GetIntId()
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hd := hashids.NewData()
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h, err := hashids.NewWithData(hd)
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if err != nil {
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panic(err)
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}
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i, err := h.Encode([]int{int(id)})
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if err != nil {
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panic(err)
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}
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return prefix + stringutils.Reverse(i)
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}
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const Alphabet36 = "abcdefghijklmnopqrstuvwxyz1234567890"
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// format likes: 300m50zn91nwz5
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func GetUuid36(prefix string) string {
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id := GetIntId()
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hd := hashids.NewData()
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hd.Alphabet = Alphabet36
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h, err := hashids.NewWithData(hd)
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if err != nil {
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panic(err)
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}
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i, err := h.Encode([]int{int(id)})
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if err != nil {
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panic(err)
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}
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return prefix + stringutil.Reverse(i)
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}
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func machineID() (uint16, error) {
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ipStr := os.Getenv("DEVOPSPHERE_IP")
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if len(ipStr) == 0 {
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return 0, errors.New("'DEVOPSPHERE_IP' environment variable not set")
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}
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ip := net.ParseIP(ipStr)
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if len(ip) < 4 {
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return 0, errors.New("invalid IP")
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}
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return uint16(ip[2])<<8 + uint16(ip[3]), nil
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}
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