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Provide an administrator a streaming view of journal logs on Linux systems using journalctl, and event logs on Windows systems using the Get-WinEvent PowerShell cmdlet without them having to implement a client side reader. Only available to cluster admins. The implementation for journald on Linux was originally done by Clayton Coleman. Introduce a heuristics approach to query logs The logs query for node objects will follow a heuristics approach when asked to query for logs from a service. If asked to get the logs from a service foobar, it will first check if foobar logs to the native OS service log provider. If unable to get logs from these, it will attempt to get logs from /var/foobar, /var/log/foobar.log or /var/log/foobar/foobar.log in that order. The logs sub-command can also directly serve a file if the query looks like a file. Co-authored-by: Clayton Coleman <ccoleman@redhat.com> Co-authored-by: Christian Glombek <cglombek@redhat.com>
35 lines
1.0 KiB
Go
35 lines
1.0 KiB
Go
//go:build !linux && !windows
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/*
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Copyright 2022 The Kubernetes 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 kubelet
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import (
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"context"
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"errors"
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)
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// getLoggingCmd on unsupported operating systems returns the echo command and a warning message (as strings)
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func getLoggingCmd(n *nodeLogQuery, services []string) (string, []string, error) {
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return "", []string{}, errors.New("Operating System Not Supported")
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}
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// checkForNativeLogger on unsupported operating systems returns false
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func checkForNativeLogger(ctx context.Context, service string) bool {
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return false
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}
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