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logging.go
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logging.go
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// Copyright (c) 2022 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 vpnseedserver
import (
"fmt"
v1beta1constants "github.com/gardener/gardener/pkg/apis/core/v1beta1/constants"
"github.com/gardener/gardener/pkg/operation/botanist/component"
)
const (
containerNameVPNSeedServer = "vpn-seed-server"
containerNameEnvoyProxy = "envoy-proxy"
loggingParserNameVPNSeedServer = "vpnSeedServerParser"
loggingParserVPNSeedServer = `[PARSER]
Name ` + loggingParserNameVPNSeedServer + `
Format regex
Regex ^(?<time>\d{4}-\d{2}-\d{2}\s+[^\s]+)\s+(?<log>.*)$
Time_Key time
Time_Format %Y-%m-%d %H:%M:%S
`
loggingFilterVpnSeedServer = `[FILTER]
Name parser
Match kubernetes.*` + v1beta1constants.DeploymentNameVPNSeedServer + `*` + containerNameVPNSeedServer + `*
Key_Name log
Parser ` + loggingParserNameVPNSeedServer + `
Reserve_Data True
`
loggingParserNameEnvoyProxy = "vpnSeedServerEnvoyProxyParser"
loggingParserEnvoyProxy = `[PARSER]
Name ` + loggingParserNameEnvoyProxy + `
Format regex
Regex ^\[(?<time>\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d+\S+?)]\s+(?<log>.*)$
Time_Key time
Time_Format %Y-%m-%dT%H:%M:%S.%L%z
`
loggingFilterEnvoyProxy = `[FILTER]
Name parser
Match kubernetes.*` + v1beta1constants.DeploymentNameVPNSeedServer + `*` + containerNameEnvoyProxy + `*
Key_Name log
Parser ` + loggingParserNameEnvoyProxy + `
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", loggingFilterVpnSeedServer, loggingFilterEnvoyProxy),
Parsers: fmt.Sprintf("%s\n%s", loggingParserVPNSeedServer, loggingParserEnvoyProxy),
}, nil
}