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9b3226a80a
When our multierror contains just one error, don't extract its text only to rewrap it, because doing so discards any stack trace information that might have been added closer to where the error actually originated. Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>
100 lines
2.5 KiB
Go
100 lines
2.5 KiB
Go
package errorhandling
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import (
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"os"
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"strings"
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"github.com/hashicorp/go-multierror"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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)
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// JoinErrors converts the error slice into a single human-readable error.
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func JoinErrors(errs []error) error {
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if len(errs) == 0 {
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return nil
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}
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// `multierror` appends new lines which we need to remove to prevent
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// blank lines when printing the error.
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var multiE *multierror.Error
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multiE = multierror.Append(multiE, errs...)
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finalErr := multiE.ErrorOrNil()
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if finalErr == nil {
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return finalErr
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}
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if len(multiE.WrappedErrors()) == 1 && logrus.IsLevelEnabled(logrus.TraceLevel) {
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return multiE.WrappedErrors()[0]
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}
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return errors.New(strings.TrimSpace(finalErr.Error()))
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}
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// ErrorsToString converts the slice of errors into a slice of corresponding
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// error messages.
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func ErrorsToStrings(errs []error) []string {
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strErrs := make([]string, len(errs))
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for i := range errs {
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strErrs[i] = errs[i].Error()
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}
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return strErrs
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}
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// StringsToErrors converts a slice of error messages into a slice of
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// corresponding errors.
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func StringsToErrors(strErrs []string) []error {
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errs := make([]error, len(strErrs))
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for i := range strErrs {
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errs[i] = errors.New(strErrs[i])
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}
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return errs
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}
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// SyncQuiet syncs a file and logs any error. Should only be used within
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// a defer.
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func SyncQuiet(f *os.File) {
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if err := f.Sync(); err != nil {
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logrus.Errorf("unable to sync file %s: %q", f.Name(), err)
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}
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}
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// CloseQuiet closes a file and logs any error. Should only be used within
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// a defer.
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func CloseQuiet(f *os.File) {
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if err := f.Close(); err != nil {
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logrus.Errorf("unable to close file %s: %q", f.Name(), err)
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}
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}
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// Contains checks if err's message contains sub's message. Contains should be
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// used iff either err or sub has lost type information (e.g., due to
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// marshaling). For typed errors, please use `errors.Contains(...)` or `Is()`
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// in recent version of Go.
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func Contains(err error, sub error) bool {
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return strings.Contains(err.Error(), sub.Error())
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}
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// ErrorModel is used in remote connections with podman
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type ErrorModel struct {
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// API root cause formatted for automated parsing
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// example: API root cause
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Because string `json:"cause"`
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// human error message, formatted for a human to read
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// example: human error message
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Message string `json:"message"`
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// http response code
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ResponseCode int `json:"response"`
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}
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func (e ErrorModel) Error() string {
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return e.Message
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}
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func (e ErrorModel) Cause() error {
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return errors.New(e.Because)
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}
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func (e ErrorModel) Code() int {
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return e.ResponseCode
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}
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