diff --git a/api/types/network/endpoint.go b/api/types/network/endpoint.go index 167ac70ab5..cdc06c6c90 100644 --- a/api/types/network/endpoint.go +++ b/api/types/network/endpoint.go @@ -4,8 +4,6 @@ import ( "errors" "fmt" "net" - - "github.com/docker/docker/internal/multierror" ) // EndpointSettings stores the network endpoint details @@ -99,7 +97,7 @@ func (cfg *EndpointIPAMConfig) IsInRange(v4Subnets []NetworkSubnet, v6Subnets [] errs = append(errs, err) } - return multierror.Join(errs...) + return errJoin(errs...) } func validateEndpointIPAddress(epAddr string, ipamSubnets []NetworkSubnet) error { @@ -149,5 +147,5 @@ func (cfg *EndpointIPAMConfig) Validate() error { } } - return multierror.Join(errs...) + return errJoin(errs...) } diff --git a/api/types/network/ipam.go b/api/types/network/ipam.go index f319e1402b..f9a9ff9b35 100644 --- a/api/types/network/ipam.go +++ b/api/types/network/ipam.go @@ -4,8 +4,7 @@ import ( "errors" "fmt" "net/netip" - - "github.com/docker/docker/internal/multierror" + "strings" ) // IPAM represents IP Address Management @@ -72,7 +71,7 @@ func ValidateIPAM(ipam *IPAM, enableIPv6 bool) error { } } - if err := multierror.Join(errs...); err != nil { + if err := errJoin(errs...); err != nil { return fmt.Errorf("invalid network config:\n%w", err) } @@ -132,3 +131,43 @@ func validateAddress(address string, subnet netip.Prefix, subnetFamily ipFamily) return nil } + +func errJoin(errs ...error) error { + n := 0 + for _, err := range errs { + if err != nil { + n++ + } + } + if n == 0 { + return nil + } + e := &joinError{ + errs: make([]error, 0, n), + } + for _, err := range errs { + if err != nil { + e.errs = append(e.errs, err) + } + } + return e +} + +type joinError struct { + errs []error +} + +func (e *joinError) Error() string { + if len(e.errs) == 1 { + return strings.TrimSpace(e.errs[0].Error()) + } + stringErrs := make([]string, 0, len(e.errs)) + for _, subErr := range e.errs { + stringErrs = append(stringErrs, strings.ReplaceAll(subErr.Error(), "\n", "\n\t")) + } + return "* " + strings.Join(stringErrs, "\n* ") +} + +func (e *joinError) Unwrap() []error { + return e.errs +}