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https://github.com/SAP/jenkins-library.git
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19a05a9c70
* Adds fatalError variable with helper setter and getter helper functions * Adds logging function to telemetry package (always executed)
59 lines
1.9 KiB
Go
59 lines
1.9 KiB
Go
package log
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"path/filepath"
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"github.com/sirupsen/logrus"
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)
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// FatalHook provides a logrus hook which persists details about a fatal error into the file system.
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// This is helpful in order to transfer the error details to an orchestrating CI/CD system
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// and by that make it possible to provide better error messages to the user.
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type FatalHook struct {
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Path string
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CorrelationID string
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}
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// Levels returns the supported log level of the hook.
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func (f *FatalHook) Levels() []logrus.Level {
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return []logrus.Level{logrus.FatalLevel}
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}
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// Fire persists the error message of the fatal error as json file into the file system.
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func (f *FatalHook) Fire(entry *logrus.Entry) error {
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details := entry.Data
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if details == nil {
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details = logrus.Fields{}
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}
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details["message"] = entry.Message
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details["error"] = fmt.Sprint(details["error"])
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details["category"] = GetErrorCategory().String()
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details["result"] = "failure"
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details["correlationId"] = f.CorrelationID
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details["time"] = entry.Time
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fileName := "errorDetails.json"
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if details["stepName"] != nil {
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fileName = fmt.Sprintf("%v_%v", fmt.Sprint(details["stepName"]), fileName)
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// ToDo: If step is called x times, and it fails multiple times the error is overwritten
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}
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filePath := filepath.Join(f.Path, fileName)
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errDetails, _ := json.Marshal(&details)
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// Logging information needed for error reporting - do not modify.
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Entry().Infof("fatal error: errorDetails%v", string(errDetails))
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// Sets the fatal error details in the logging framework to be consumed in the stepTelemetryData
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SetFatalErrorDetail(errDetails)
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_, err := ioutil.ReadFile(filePath)
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if err != nil {
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// do not overwrite file in case it already exists
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// this helps to report the first error which occurred - instead of the last one
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ioutil.WriteFile(filePath, errDetails, 0666)
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}
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return nil
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}
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