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package cnmallocator
import (
"strings"
"github.com/docker/docker/libnetwork/driverapi"
"github.com/docker/docker/libnetwork/drivers/overlay/overlayutils"
"github.com/docker/docker/libnetwork/ipamapi"
"github.com/docker/docker/pkg/plugingetter"
"github.com/moby/swarmkit/v2/api"
"github.com/moby/swarmkit/v2/manager/allocator/networkallocator"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
type Provider struct {
pg plugingetter.PluginGetter
}
var _ networkallocator.Provider = &Provider{}
// NewProvider returns a new cnmallocator provider.
func NewProvider(pg plugingetter.PluginGetter) *Provider {
return &Provider{pg: pg}
}
// ValidateIPAMDriver implements networkallocator.NetworkProvider.
func (p *Provider) ValidateIPAMDriver(driver *api.Driver) error {
if driver == nil {
// It is ok to not specify the driver. We will choose
// a default driver.
return nil
}
if driver.Name == "" {
return status.Errorf(codes.InvalidArgument, "driver name: if driver is specified name is required")
}
if strings.ToLower(driver.Name) == ipamapi.DefaultIPAM {
return nil
}
return p.validatePluginDriver(driver, ipamapi.PluginEndpointType)
}
// ValidateIngressNetworkDriver implements networkallocator.NetworkProvider.
func (p *Provider) ValidateIngressNetworkDriver(driver *api.Driver) error {
if driver != nil && driver.Name != "overlay" {
return status.Errorf(codes.Unimplemented, "only overlay driver is currently supported for ingress network")
}
return p.ValidateNetworkDriver(driver)
}
// ValidateNetworkDriver implements networkallocator.NetworkProvider.
func (p *Provider) ValidateNetworkDriver(driver *api.Driver) error {
if driver == nil {
// It is ok to not specify the driver. We will choose
// a default driver.
return nil
}
if driver.Name == "" {
return status.Errorf(codes.InvalidArgument, "driver name: if driver is specified name is required")
}
// First check against the known drivers
if IsBuiltInDriver(driver.Name) {
return nil
}
return p.validatePluginDriver(driver, driverapi.NetworkPluginEndpointType)
}
func (p *Provider) validatePluginDriver(driver *api.Driver, pluginType string) error {
if p.pg == nil {
return status.Errorf(codes.InvalidArgument, "plugin %s not supported", driver.Name)
}
plug, err := p.pg.Get(driver.Name, pluginType, plugingetter.Lookup)
if err != nil {
return status.Errorf(codes.InvalidArgument, "error during lookup of plugin %s", driver.Name)
}
if plug.IsV1() {
return status.Errorf(codes.InvalidArgument, "legacy plugin %s of type %s is not supported in swarm mode", driver.Name, pluginType)
}
return nil
}
func (p *Provider) SetDefaultVXLANUDPPort(port uint32) error {
return overlayutils.ConfigVXLANUDPPort(port)
}
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