mirror of https://github.com/k3s-io/k3s
95 lines
2.6 KiB
Go
95 lines
2.6 KiB
Go
/*
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Copyright 2017 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 services
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import (
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"encoding/json"
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"flag"
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"fmt"
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)
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// LogFileData holds data about logfiles to fetch with a journalctl command or
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// file from a node's file system.
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type LogFileData struct {
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// Name of the log file.
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Name string `json:"name"`
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// Files are possible absolute paths of the log file.
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Files []string `json:"files"`
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// JournalctlCommand is the journalctl command to get log.
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JournalctlCommand []string `json:"journalctl"`
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}
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// logFiles are the type used to collect all log files. The key is the expected
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// name of the log file after collected.
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type logFiles map[string]LogFileData
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// String function of flag.Value
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func (l *logFiles) String() string {
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return fmt.Sprint(*l)
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}
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// Set function of flag.Value
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func (l *logFiles) Set(value string) error {
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var log LogFileData
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if err := json.Unmarshal([]byte(value), &log); err != nil {
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return err
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}
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// Note that we assume all white space in flag string is separating fields
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logs := *l
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logs[log.Name] = log
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return nil
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}
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// extraLogs is the extra logs specified by the test runner.
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var extraLogs = make(logFiles)
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func init() {
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flag.Var(&extraLogs, "extra-log", "Extra log to collect after test in the json format of LogFile.")
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}
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// requiredLogs is the required logs to collect after the test.
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var requiredLogs = []LogFileData{
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{
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Name: "kern.log",
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Files: []string{"/var/log/kern.log"},
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JournalctlCommand: []string{"-k"},
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},
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{
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Name: "cloud-init.log",
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Files: []string{"/var/log/cloud-init.log"},
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JournalctlCommand: []string{"-u", "cloud*"},
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},
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// TODO(random-liu): Make docker.log non-required.
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{
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Name: "docker.log",
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Files: []string{"/var/log/docker.log", "/var/log/upstart/docker.log"},
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JournalctlCommand: []string{"-u", "docker"},
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},
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}
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// getLogFiles get all logs to collect after the test.
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func getLogFiles() logFiles {
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logs := make(logFiles)
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for _, l := range requiredLogs {
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logs[l.Name] = l
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}
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for _, l := range extraLogs {
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logs[l.Name] = l
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}
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return logs
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}
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