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Merge pull request #689 from crawford/logs
openshift-install: log debug output to file
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1 +1,2 @@ | ||
bin/ | ||
.openshift-install.log |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,72 @@ | ||
package main | ||
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import ( | ||
"io" | ||
"os" | ||
"path/filepath" | ||
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"github.com/pkg/errors" | ||
"github.com/sirupsen/logrus" | ||
) | ||
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type fileHook struct { | ||
file io.Writer | ||
formatter logrus.Formatter | ||
level logrus.Level | ||
} | ||
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func newFileHook(file io.Writer, level logrus.Level, formatter logrus.Formatter) *fileHook { | ||
return &fileHook{ | ||
file: file, | ||
formatter: formatter, | ||
level: level, | ||
} | ||
} | ||
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func (h fileHook) Levels() []logrus.Level { | ||
var levels []logrus.Level | ||
for _, level := range logrus.AllLevels { | ||
if level <= h.level { | ||
levels = append(levels, level) | ||
} | ||
} | ||
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return levels | ||
} | ||
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func (h *fileHook) Fire(entry *logrus.Entry) error { | ||
line, err := h.formatter.Format(entry) | ||
if err != nil { | ||
return err | ||
} | ||
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_, err = h.file.Write(line) | ||
return err | ||
} | ||
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func setupFileHook(baseDir string) (func(), error) { | ||
if err := os.MkdirAll(baseDir, 0755); err != nil { | ||
return nil, errors.Wrap(err, "failed to create base directory for logs") | ||
} | ||
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logfile, err := os.OpenFile(filepath.Join(baseDir, ".openshift_install.log"), os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0666) | ||
if err != nil { | ||
return nil, errors.Wrap(err, "failed to open log file") | ||
} | ||
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originalHooks := logrus.LevelHooks{} | ||
for k, v := range logrus.StandardLogger().Hooks { | ||
originalHooks[k] = v | ||
} | ||
logrus.AddHook(newFileHook(logfile, logrus.TraceLevel, &logrus.TextFormatter{ | ||
DisableColors: true, | ||
DisableTimestamp: false, | ||
FullTimestamp: true, | ||
DisableLevelTruncation: false, | ||
})) | ||
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return func() { | ||
logfile.Close() | ||
logrus.StandardLogger().ReplaceHooks(originalHooks) | ||
}, nil | ||
} |
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