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logging.go
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logging.go
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// Copyright (c) 2021 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// 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 kubeapiserver
import (
"fmt"
v1beta1constants "github.com/gardener/gardener/pkg/apis/core/v1beta1/constants"
"github.com/gardener/gardener/pkg/operation/botanist/component"
)
const (
loggingParserNameAPIServer = "kubeAPIServerParser"
loggingParserAPIServer = `[PARSER]
Name ` + loggingParserNameAPIServer + `
Format regex
Regex ^(?<severity>\w)(?<time>\d{4} [^\s]*)\s+(?<pid>\d+)\s+(?<source>[^ \]]+)\] (?<log>.*)$
Time_Key time
Time_Format %m%d %H:%M:%S.%L
`
loggingFilterAPIServer = `[FILTER]
Name parser
Match kubernetes.*` + v1beta1constants.DeploymentNameKubeAPIServer + `*` + ContainerNameKubeAPIServer + `*
Key_Name log
Parser ` + loggingParserNameAPIServer + `
Reserve_Data True
`
loggingParserNameVPNSeed = "vpnSeedParser"
loggingParserVPNSeed = `[PARSER]
Name ` + loggingParserNameVPNSeed + `
Format regex
Regex ^(?<time>[^0-9]*\d{1,2}\s+[^\s]+\s+\d{4})\s+(?<log>.*)
Time_Key time
Time_Format %a %b%t%d %H:%M:%S %Y
`
loggingFilterVPNSeed = `[FILTER]
Name parser
Match kubernetes.*` + v1beta1constants.DeploymentNameKubeAPIServer + `*` + containerNameVPNSeed + `*
Key_Name log
Parser ` + loggingParserNameVPNSeed + `
Reserve_Data True
`
)
// CentralLoggingConfiguration returns a fluent-bit parser and filter for the kube-apiserver logs.
func CentralLoggingConfiguration() (component.CentralLoggingConfig, error) {
return component.CentralLoggingConfig{
Filters: fmt.Sprintf("%s\n%s", loggingFilterAPIServer, loggingFilterVPNSeed),
Parsers: fmt.Sprintf("%s\n%s", loggingParserAPIServer, loggingParserVPNSeed),
}, nil
}