kubernetes format 源码
kubernetes format 代码
文件路径：/staging/src/k8s.io/apiserver/pkg/audit/format.go
/*
Copyright 2017 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 audit
import (
"fmt"
"strconv"
"strings"
"time"
auditinternal "k8s.io/apiserver/pkg/apis/audit"
)
// EventString creates a 1-line text representation of an audit event, using a subset of the
// information in the event struct.
func EventString(ev *auditinternal.Event) string {
username := "<none>"
groups := "<none>"
if len(ev.User.Username) > 0 {
username = ev.User.Username
if len(ev.User.Groups) > 0 {
groups = auditStringSlice(ev.User.Groups)
}
}
asuser := "<self>"
asgroups := "<lookup>"
if ev.ImpersonatedUser != nil {
asuser = ev.ImpersonatedUser.Username
if ev.ImpersonatedUser.Groups != nil {
asgroups = auditStringSlice(ev.ImpersonatedUser.Groups)
}
}
namespace := "<none>"
if ev.ObjectRef != nil && len(ev.ObjectRef.Namespace) != 0 {
namespace = ev.ObjectRef.Namespace
}
response := "<deferred>"
if ev.ResponseStatus != nil {
response = strconv.Itoa(int(ev.ResponseStatus.Code))
}
ip := "<unknown>"
if len(ev.SourceIPs) > 0 {
ip = ev.SourceIPs[0]
}
return fmt.Sprintf("%s AUDIT: id=%q stage=%q ip=%q method=%q user=%q groups=%q as=%q asgroups=%q user-agent=%q namespace=%q uri=%q response=\"%s\"",
ev.RequestReceivedTimestamp.Format(time.RFC3339Nano), ev.AuditID, ev.Stage, ip, ev.Verb, username, groups, asuser, asgroups, ev.UserAgent, namespace, ev.RequestURI, response)
}
func auditStringSlice(inList []string) string {
quotedElements := make([]string, len(inList))
for i, in := range inList {
quotedElements[i] = fmt.Sprintf("%q", in)
}
return strings.Join(quotedElements, ",")
}
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