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fe856b94b5
For Linux, delay construction and configuration of network endpoints until the container has been created (but not started). Signed-off-by: Rob Murray <rob.murray@docker.com>
39 lines
1.1 KiB
Go
39 lines
1.1 KiB
Go
package daemon // import "github.com/docker/docker/daemon"
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import (
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"context"
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"fmt"
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"github.com/docker/docker/container"
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"github.com/docker/docker/daemon/config"
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"github.com/docker/docker/errdefs"
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"github.com/docker/docker/libcontainerd/types"
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"github.com/docker/docker/oci"
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"github.com/opencontainers/runtime-spec/specs-go"
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)
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// initializeCreatedTask performs any initialization that needs to be done to
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// prepare a freshly-created task to be started.
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func (daemon *Daemon) initializeCreatedTask(
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ctx context.Context,
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cfg *config.Config,
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tsk types.Task,
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ctr *container.Container,
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spec *specs.Spec,
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) error {
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if ctr.Config.NetworkDisabled {
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return nil
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}
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nspath, ok := oci.NamespacePath(spec, specs.NetworkNamespace)
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if ok && nspath == "" { // the runtime has been instructed to create a new network namespace for tsk.
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sb, err := daemon.netController.GetSandbox(ctr.ID)
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if err != nil {
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return errdefs.System(err)
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}
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if err := sb.SetKey(ctx, fmt.Sprintf("/proc/%d/ns/net", tsk.Pid())); err != nil {
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return errdefs.System(err)
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}
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}
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return daemon.allocateNetwork(ctx, cfg, ctr)
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}
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