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78be7ebad7
Plumb context from the API down to libnet driver method `CreateNetwork`, and add an OTel span to the bridge driver's `createNetwork` method. Include a few attributes describing the network configuration (e.g. IPv4/IPv6, ICC, internal and MTU). A new util function, `RecordStatus`, is added to the `otelutil` package to easily record any error, and update the span status accordingly. Signed-off-by: Albin Kerouanton <albinker@gmail.com>
95 lines
2.5 KiB
Go
95 lines
2.5 KiB
Go
package null
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import (
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"context"
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"sync"
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"github.com/docker/docker/libnetwork/driverapi"
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"github.com/docker/docker/libnetwork/scope"
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"github.com/docker/docker/libnetwork/types"
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)
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const NetworkType = "null"
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type driver struct {
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network string
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sync.Mutex
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}
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// Register registers a new instance of the null driver.
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func Register(r driverapi.Registerer) error {
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return r.RegisterDriver(NetworkType, &driver{}, driverapi.Capability{
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DataScope: scope.Local,
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})
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}
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func (d *driver) NetworkAllocate(id string, option map[string]string, ipV4Data, ipV6Data []driverapi.IPAMData) (map[string]string, error) {
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return nil, types.NotImplementedErrorf("not implemented")
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}
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func (d *driver) NetworkFree(id string) error {
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return types.NotImplementedErrorf("not implemented")
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}
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func (d *driver) EventNotify(etype driverapi.EventType, nid, tableName, key string, value []byte) {
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}
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func (d *driver) DecodeTableEntry(tablename string, key string, value []byte) (string, map[string]string) {
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return "", nil
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}
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func (d *driver) CreateNetwork(ctx context.Context, id string, option map[string]interface{}, nInfo driverapi.NetworkInfo, ipV4Data, ipV6Data []driverapi.IPAMData) error {
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d.Lock()
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defer d.Unlock()
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if d.network != "" {
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return types.ForbiddenErrorf("only one instance of %q network is allowed", NetworkType)
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}
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d.network = id
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return nil
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}
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func (d *driver) DeleteNetwork(nid string) error {
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return types.ForbiddenErrorf("network of type %q cannot be deleted", NetworkType)
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}
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func (d *driver) CreateEndpoint(_ context.Context, nid, eid string, ifInfo driverapi.InterfaceInfo, epOptions map[string]interface{}) error {
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return nil
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}
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func (d *driver) DeleteEndpoint(nid, eid string) error {
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return nil
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}
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func (d *driver) EndpointOperInfo(nid, eid string) (map[string]interface{}, error) {
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return make(map[string]interface{}), nil
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}
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// Join method is invoked when a Sandbox is attached to an endpoint.
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func (d *driver) Join(_ context.Context, nid, eid string, sboxKey string, jinfo driverapi.JoinInfo, _, _ map[string]interface{}) error {
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return nil
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}
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// Leave method is invoked when a Sandbox detaches from an endpoint.
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func (d *driver) Leave(nid, eid string) error {
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return nil
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}
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func (d *driver) ProgramExternalConnectivity(_ context.Context, nid, eid string, options map[string]interface{}) error {
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return nil
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}
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func (d *driver) RevokeExternalConnectivity(nid, eid string) error {
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return nil
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}
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func (d *driver) Type() string {
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return NetworkType
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}
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func (d *driver) IsBuiltIn() bool {
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return true
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}
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