rebase: update kubernetes to latest

updating the kubernetes release to the
latest in main go.mod

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This commit is contained in:
Madhu Rajanna
2024-08-19 10:01:33 +02:00
committed by mergify[bot]
parent 63c4c05b35
commit 5a66991bb3
2173 changed files with 98906 additions and 61334 deletions

View File

@ -1,36 +1,19 @@
// Copyright The OpenTelemetry 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.
// SPDX-License-Identifier: Apache-2.0
package trace // import "go.opentelemetry.io/otel/trace"
import (
"encoding/json"
"fmt"
"regexp"
"strings"
)
const (
maxListMembers = 32
listDelimiter = ","
// based on the W3C Trace Context specification, see
// https://www.w3.org/TR/trace-context-1/#tracestate-header
noTenantKeyFormat = `[a-z][_0-9a-z\-\*\/]*`
withTenantKeyFormat = `[a-z0-9][_0-9a-z\-\*\/]*@[a-z][_0-9a-z\-\*\/]*`
valueFormat = `[\x20-\x2b\x2d-\x3c\x3e-\x7e]*[\x21-\x2b\x2d-\x3c\x3e-\x7e]`
listDelimiters = ","
memberDelimiter = "="
errInvalidKey errorConst = "invalid tracestate key"
errInvalidValue errorConst = "invalid tracestate value"
@ -39,43 +22,128 @@ const (
errDuplicate errorConst = "duplicate list-member in tracestate"
)
var (
noTenantKeyRe = regexp.MustCompile(`^` + noTenantKeyFormat + `$`)
withTenantKeyRe = regexp.MustCompile(`^` + withTenantKeyFormat + `$`)
valueRe = regexp.MustCompile(`^` + valueFormat + `$`)
memberRe = regexp.MustCompile(`^\s*((?:` + noTenantKeyFormat + `)|(?:` + withTenantKeyFormat + `))=(` + valueFormat + `)\s*$`)
)
type member struct {
Key string
Value string
}
// according to (chr = %x20 / (nblk-char = %x21-2B / %x2D-3C / %x3E-7E) )
// means (chr = %x20-2B / %x2D-3C / %x3E-7E) .
func checkValueChar(v byte) bool {
return v >= '\x20' && v <= '\x7e' && v != '\x2c' && v != '\x3d'
}
// according to (nblk-chr = %x21-2B / %x2D-3C / %x3E-7E) .
func checkValueLast(v byte) bool {
return v >= '\x21' && v <= '\x7e' && v != '\x2c' && v != '\x3d'
}
// based on the W3C Trace Context specification
//
// value = (0*255(chr)) nblk-chr
// nblk-chr = %x21-2B / %x2D-3C / %x3E-7E
// chr = %x20 / nblk-chr
//
// see https://www.w3.org/TR/trace-context-1/#value
func checkValue(val string) bool {
n := len(val)
if n == 0 || n > 256 {
return false
}
for i := 0; i < n-1; i++ {
if !checkValueChar(val[i]) {
return false
}
}
return checkValueLast(val[n-1])
}
func checkKeyRemain(key string) bool {
// ( lcalpha / DIGIT / "_" / "-"/ "*" / "/" )
for _, v := range key {
if isAlphaNum(byte(v)) {
continue
}
switch v {
case '_', '-', '*', '/':
continue
}
return false
}
return true
}
// according to
//
// simple-key = lcalpha (0*255( lcalpha / DIGIT / "_" / "-"/ "*" / "/" ))
// system-id = lcalpha (0*13( lcalpha / DIGIT / "_" / "-"/ "*" / "/" ))
//
// param n is remain part length, should be 255 in simple-key or 13 in system-id.
func checkKeyPart(key string, n int) bool {
if len(key) == 0 {
return false
}
first := key[0] // key's first char
ret := len(key[1:]) <= n
ret = ret && first >= 'a' && first <= 'z'
return ret && checkKeyRemain(key[1:])
}
func isAlphaNum(c byte) bool {
if c >= 'a' && c <= 'z' {
return true
}
return c >= '0' && c <= '9'
}
// according to
//
// tenant-id = ( lcalpha / DIGIT ) 0*240( lcalpha / DIGIT / "_" / "-"/ "*" / "/" )
//
// param n is remain part length, should be 240 exactly.
func checkKeyTenant(key string, n int) bool {
if len(key) == 0 {
return false
}
return isAlphaNum(key[0]) && len(key[1:]) <= n && checkKeyRemain(key[1:])
}
// based on the W3C Trace Context specification
//
// key = simple-key / multi-tenant-key
// simple-key = lcalpha (0*255( lcalpha / DIGIT / "_" / "-"/ "*" / "/" ))
// multi-tenant-key = tenant-id "@" system-id
// tenant-id = ( lcalpha / DIGIT ) (0*240( lcalpha / DIGIT / "_" / "-"/ "*" / "/" ))
// system-id = lcalpha (0*13( lcalpha / DIGIT / "_" / "-"/ "*" / "/" ))
// lcalpha = %x61-7A ; a-z
//
// see https://www.w3.org/TR/trace-context-1/#tracestate-header.
func checkKey(key string) bool {
tenant, system, ok := strings.Cut(key, "@")
if !ok {
return checkKeyPart(key, 255)
}
return checkKeyTenant(tenant, 240) && checkKeyPart(system, 13)
}
func newMember(key, value string) (member, error) {
if len(key) > 256 {
return member{}, fmt.Errorf("%w: %s", errInvalidKey, key)
if !checkKey(key) {
return member{}, errInvalidKey
}
if !noTenantKeyRe.MatchString(key) {
if !withTenantKeyRe.MatchString(key) {
return member{}, fmt.Errorf("%w: %s", errInvalidKey, key)
}
atIndex := strings.LastIndex(key, "@")
if atIndex > 241 || len(key)-1-atIndex > 14 {
return member{}, fmt.Errorf("%w: %s", errInvalidKey, key)
}
}
if len(value) > 256 || !valueRe.MatchString(value) {
return member{}, fmt.Errorf("%w: %s", errInvalidValue, value)
if !checkValue(value) {
return member{}, errInvalidValue
}
return member{Key: key, Value: value}, nil
}
func parseMember(m string) (member, error) {
matches := memberRe.FindStringSubmatch(m)
if len(matches) != 3 {
key, val, ok := strings.Cut(m, memberDelimiter)
if !ok {
return member{}, fmt.Errorf("%w: %s", errInvalidMember, m)
}
result, e := newMember(matches[1], matches[2])
key = strings.TrimLeft(key, " \t")
val = strings.TrimRight(val, " \t")
result, e := newMember(key, val)
if e != nil {
return member{}, fmt.Errorf("%w: %s", errInvalidMember, m)
}
@ -85,7 +153,7 @@ func parseMember(m string) (member, error) {
// String encodes member into a string compliant with the W3C Trace Context
// specification.
func (m member) String() string {
return fmt.Sprintf("%s=%s", m.Key, m.Value)
return m.Key + "=" + m.Value
}
// TraceState provides additional vendor-specific trace identification
@ -109,8 +177,8 @@ var _ json.Marshaler = TraceState{}
// ParseTraceState attempts to decode a TraceState from the passed
// string. It returns an error if the input is invalid according to the W3C
// Trace Context specification.
func ParseTraceState(tracestate string) (TraceState, error) {
if tracestate == "" {
func ParseTraceState(ts string) (TraceState, error) {
if ts == "" {
return TraceState{}, nil
}
@ -120,7 +188,9 @@ func ParseTraceState(tracestate string) (TraceState, error) {
var members []member
found := make(map[string]struct{})
for _, memberStr := range strings.Split(tracestate, listDelimiter) {
for ts != "" {
var memberStr string
memberStr, ts, _ = strings.Cut(ts, listDelimiters)
if len(memberStr) == 0 {
continue
}
@ -153,11 +223,29 @@ func (ts TraceState) MarshalJSON() ([]byte, error) {
// Trace Context specification. The returned string will be invalid if the
// TraceState contains any invalid members.
func (ts TraceState) String() string {
members := make([]string, len(ts.list))
for i, m := range ts.list {
members[i] = m.String()
if len(ts.list) == 0 {
return ""
}
return strings.Join(members, listDelimiter)
var n int
n += len(ts.list) // member delimiters: '='
n += len(ts.list) - 1 // list delimiters: ','
for _, mem := range ts.list {
n += len(mem.Key)
n += len(mem.Value)
}
var sb strings.Builder
sb.Grow(n)
_, _ = sb.WriteString(ts.list[0].Key)
_ = sb.WriteByte('=')
_, _ = sb.WriteString(ts.list[0].Value)
for i := 1; i < len(ts.list); i++ {
_ = sb.WriteByte(listDelimiters[0])
_, _ = sb.WriteString(ts.list[i].Key)
_ = sb.WriteByte('=')
_, _ = sb.WriteString(ts.list[i].Value)
}
return sb.String()
}
// Get returns the value paired with key from the corresponding TraceState
@ -189,15 +277,25 @@ func (ts TraceState) Insert(key, value string) (TraceState, error) {
if err != nil {
return ts, err
}
cTS := ts.Delete(key)
if cTS.Len()+1 <= maxListMembers {
cTS.list = append(cTS.list, member{})
n := len(ts.list)
found := n
for i := range ts.list {
if ts.list[i].Key == key {
found = i
}
}
cTS := TraceState{}
if found == n && n < maxListMembers {
cTS.list = make([]member, n+1)
} else {
cTS.list = make([]member, n)
}
// When the number of members exceeds capacity, drop the "right-most".
copy(cTS.list[1:], cTS.list)
cTS.list[0] = m
// When the number of members exceeds capacity, drop the "right-most".
copy(cTS.list[1:], ts.list[0:found])
if found < n {
copy(cTS.list[1+found:], ts.list[found+1:])
}
return cTS, nil
}