manager/allocator/cnmallocator: remove uses of deprecated Init() funcs

These functions were deprecated in moby/moby@28edc8e
in favor of the Register functions.

Unfortunately, not all Register functions have the same signature, so
some (temporary) adaptor code was needed for these.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

Author: thaJeztah

manager/allocator/cnmallocator/drivers.go

@@ -0,0 +1,25 @@
+package cnmallocator
+
+import (
+	"fmt"
+
+	"github.com/docker/docker/libnetwork/driverapi"
+	"github.com/docker/docker/libnetwork/drivers/remote"
+)
+
+type driverRegisterFn func(r driverapi.Registerer, config map[string]interface{}) error
+
+func registerRemote(r driverapi.Registerer, _ map[string]interface{}) error {
+	dc, ok := r.(driverapi.DriverCallback)
+	if !ok {
+		return fmt.Errorf(`failed to register "remote" driver: driver does not implement driverapi.DriverCallback`)
+	}
+	return remote.Register(dc, dc.GetPluginGetter())
+}
+
+//nolint:unused // is currently only used on Windows, but keeping these adaptors together in one file.
+func registerNetworkType(networkType string) func(dc driverapi.Registerer, config map[string]interface{}) error {
+	return func(r driverapi.Registerer, _ map[string]interface{}) error {
+		return RegisterManager(r, networkType)
+	}
+}

manager/allocator/cnmallocator/drivers_darwin.go

@@ -2,13 +2,12 @@ package cnmallocator
 
 import (
 	"github.com/docker/docker/libnetwork/drivers/overlay/ovmanager"
-	"github.com/docker/docker/libnetwork/drivers/remote"
 	"github.com/moby/swarmkit/v2/manager/allocator/networkallocator"
 )
 
 var initializers = map[string]driverRegisterFn{
-	"remote":  remote.Init,
-	"overlay": ovmanager.Init,
+	"remote":  registerRemote,
+	"overlay": ovmanager.Register,
 }
 
 // PredefinedNetworks returns the list of predefined network structures

manager/allocator/cnmallocator/drivers_network_linux.go

@@ -6,18 +6,16 @@ import (
 	"github.com/docker/docker/libnetwork/drivers/ipvlan/ivmanager"
 	"github.com/docker/docker/libnetwork/drivers/macvlan/mvmanager"
 	"github.com/docker/docker/libnetwork/drivers/overlay/ovmanager"
-	"github.com/docker/docker/libnetwork/drivers/remote"
-	"github.com/docker/docker/libnetwork/drvregistry"
 	"github.com/moby/swarmkit/v2/manager/allocator/networkallocator"
 )
 
-var initializers = map[string]drvregistry.InitFunc{
-	"remote":  remote.Init,
-	"overlay": ovmanager.Init,
-	"macvlan": mvmanager.Init,
-	"bridge":  brmanager.Init,
-	"ipvlan":  ivmanager.Init,
-	"host":    host.Init,
+var initializers = map[string]driverRegisterFn{
+	"remote":  registerRemote,
+	"overlay": ovmanager.Register,
+	"macvlan": mvmanager.Register,
+	"bridge":  brmanager.Register,
+	"ipvlan":  ivmanager.Register,
+	"host":    host.Register,
 }
 
 // PredefinedNetworks returns the list of predefined network structures

manager/allocator/cnmallocator/drivers_network_windows.go

@@ -2,17 +2,15 @@ package cnmallocator
 
 import (
 	"github.com/docker/docker/libnetwork/drivers/overlay/ovmanager"
-	"github.com/docker/docker/libnetwork/drivers/remote"
-	"github.com/docker/docker/libnetwork/drvregistry"
 	"github.com/moby/swarmkit/v2/manager/allocator/networkallocator"
 )
 
-var initializers = map[string]drvregistry.InitFunc{
-	"remote":   remote.Init,
-	"overlay":  ovmanager.Init,
-	"internal": StubManagerInit("internal"),
-	"l2bridge": StubManagerInit("l2bridge"),
-	"nat":      StubManagerInit("nat"),
+var initializers = map[string]driverRegisterFn{
+	"remote":   registerRemote,
+	"overlay":  ovmanager.Register,
+	"internal": registerNetworkType("internal"),
+	"l2bridge": registerNetworkType("l2bridge"),
+	"nat":      registerNetworkType("nat"),
 }
 
 // PredefinedNetworks returns the list of predefined network structures