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Export user and group lookup errors as variables. 

Export errors as variables when no matching entries are found in passwd or group file.

Signed-off-by: Thomas LE ROUX <thomas@november-eleven.fr>
This commit is contained in:
Thomas LE ROUX 2016-03-17 18:23:12 +01:00
parent bbde9c426f
commit 570deee7ac
1 changed files with 5 additions and 3 deletions
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8
libcontainer/user/lookup.go
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@ -2,13 +2,15 @@ package user
import ( import (
"errors" "errors"
"fmt"
"syscall" "syscall"
) )
var ( var (
// The current operating system does not provide the required data for user lookups. // The current operating system does not provide the required data for user lookups.
ErrUnsupported = errors.New("user lookup: operating system does not provide passwd-formatted data") ErrUnsupported = errors.New("user lookup: operating system does not provide passwd-formatted data")
// No matching entries found in file.
ErrNoPasswdEntries = errors.New("no matching entries in passwd file")
ErrNoGroupEntries = errors.New("no matching entries in group file")
) )
func lookupUser(filter func(u User) bool) (User, error) { func lookupUser(filter func(u User) bool) (User, error) {
@ -27,7 +29,7 @@ func lookupUser(filter func(u User) bool) (User, error) {
// No user entries found. // No user entries found.
if len(users) == 0 { if len(users) == 0 {
return User{}, fmt.Errorf("no matching entries in passwd file") return User{}, ErrNoPasswdEntries
} }
// Assume the first entry is the "correct" one. // Assume the first entry is the "correct" one.
@ -75,7 +77,7 @@ func lookupGroup(filter func(g Group) bool) (Group, error) {
// No user entries found. // No user entries found.
if len(groups) == 0 { if len(groups) == 0 {
return Group{}, fmt.Errorf("no matching entries in group file") return Group{}, ErrNoGroupEntries
} }
// Assume the first entry is the "correct" one. // Assume the first entry is the "correct" one.