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Merge pull request #1244 from jonboulle/peers

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main: fail on peers/peers-file flags
This commit is contained in:
Jonathan Boulle 2014-10-06 14:25:39 -07:00
commit 7081dabd12
2 changed files with 28 additions and 8 deletions
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11
main.go
View File

@ -38,7 +38,7 @@ var (
clientTLSInfo = transport.TLSInfo{}
peerTLSInfo = transport.TLSInfo{}
deprecated = []string{
ignored = []string{
"cluster-active-size",
"cluster-remove-delay",
"cluster-sync-interval",
@ -83,13 +83,16 @@ func init() {
flag.Var(&flagtypes.IPAddressPort{}, "peer-addr", "DEPRECATED: Use -advertise-peer-urls instead.")
flag.Var(&flagtypes.IPAddressPort{}, "peer-bind-addr", "DEPRECATED: Use -listen-peer-urls instead.")
for _, f := range deprecated {
flag.Var(&pkg.DeprecatedFlag{f}, f, "")
for _, f := range ignored {
flag.Var(&pkg.IgnoredFlag{f}, f, "")
}
flag.Var(&pkg.DeprecatedFlag{"peers"}, "peers", "DEPRECATED: Use -bootstrap-config instead")
flag.Var(&pkg.DeprecatedFlag{"peers-file"}, "peers-file", "DEPRECATED: Use -bootstrap-config instead")
}
func main() {
flag.Usage = pkg.UsageWithIgnoredFlagsFunc(flag.CommandLine, deprecated)
flag.Usage = pkg.UsageWithIgnoredFlagsFunc(flag.CommandLine, ignored)
flag.Parse()
if *printVersion {

25
pkg/flag.go
View File

@ -12,21 +12,38 @@ import (
"github.com/coreos/etcd/pkg/transport"
)
// DeprecatedFlag encapsulates a flag that may have been previously valid but
// is now deprecated. If a DeprecatedFlag is set, an error occurs.
type DeprecatedFlag struct {
Name string
}
func (f *DeprecatedFlag) Set(_ string) error {
return fmt.Errorf(`flag "-%s" is no longer supported.`, f.Name)
}
func (f *DeprecatedFlag) String() string {
return ""
}
// IgnoredFlag encapsulates a flag that may have been previously valid but is
// now ignored. If an IgnoredFlag is set, a warning is printed and
// operation continues.
type IgnoredFlag struct {
Name string
}
// IsBoolFlag is defined to allow the flag to be defined without an argument
func (df *DeprecatedFlag) IsBoolFlag() bool {
func (f *IgnoredFlag) IsBoolFlag() bool {
return true
}
func (df *DeprecatedFlag) Set(s string) error {
log.Printf("WARNING: flag \"-%s\" is no longer supported.", df.Name)
func (f *IgnoredFlag) Set(s string) error {
log.Printf(`WARNING: flag "-%s" is no longer supported - ignoring.`, f.Name)
return nil
}
func (df *DeprecatedFlag) String() string {
func (f *IgnoredFlag) String() string {
return ""
}