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package errorhandling
import (
"os"
"strings"
"github.com/hashicorp/go-multierror"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
// JoinErrors converts the error slice into a single human-readable error.
func JoinErrors(errs []error) error {
if len(errs) == 0 {
return nil
}
// If there's just one error, return it. This prevents the "%d errors
// occurred:" header plus list from the multierror package.
if len(errs) == 1 {
return errs[0]
}
// `multierror` appends new lines which we need to remove to prevent
// blank lines when printing the error.
var multiE *multierror.Error
multiE = multierror.Append(multiE, errs...)
finalErr := multiE.ErrorOrNil()
if finalErr == nil {
return nil
}
return errors.New(strings.TrimSpace(finalErr.Error()))
}
// ErrorsToString converts the slice of errors into a slice of corresponding
// error messages.
func ErrorsToStrings(errs []error) []string {
if len(errs) == 0 {
return nil
}
strErrs := make([]string, len(errs))
for i := range errs {
strErrs[i] = errs[i].Error()
}
return strErrs
}
// StringsToErrors converts a slice of error messages into a slice of
// corresponding errors.
func StringsToErrors(strErrs []string) []error {
if len(strErrs) == 0 {
return nil
}
errs := make([]error, len(strErrs))
for i := range strErrs {
errs[i] = errors.New(strErrs[i])
}
return errs
}
// SyncQuiet syncs a file and logs any error. Should only be used within
// a defer.
func SyncQuiet(f *os.File) {
if err := f.Sync(); err != nil {
logrus.Errorf("Unable to sync file %s: %q", f.Name(), err)
}
}
// CloseQuiet closes a file and logs any error. Should only be used within
// a defer.
func CloseQuiet(f *os.File) {
if err := f.Close(); err != nil {
logrus.Errorf("Unable to close file %s: %q", f.Name(), err)
}
}
// Contains checks if err's message contains sub's message. Contains should be
// used iff either err or sub has lost type information (e.g., due to
// marshaling). For typed errors, please use `errors.Contains(...)` or `Is()`
// in recent version of Go.
func Contains(err error, sub error) bool {
return strings.Contains(err.Error(), sub.Error())
}
// PodConflictErrorModel is used in remote connections with podman
type PodConflictErrorModel struct {
Errs []string
Id string //nolint
}
// ErrorModel is used in remote connections with podman
type ErrorModel struct {
// API root cause formatted for automated parsing
// example: API root cause
Because string `json:"cause"`
// human error message, formatted for a human to read
// example: human error message
Message string `json:"message"`
// http response code
ResponseCode int `json:"response"`
}
func (e ErrorModel) Error() string {
return e.Message
}
func (e ErrorModel) Cause() error {
return errors.New(e.Because)
}
func (e ErrorModel) Code() int {
return e.ResponseCode
}
func (e PodConflictErrorModel) Error() string {
return strings.Join(e.Errs, ",")
}
func (e PodConflictErrorModel) Code() int {
return 409
}
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