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19f4c27d81
Make invalid states unrepresentable by moving away from stringly-typed MAC address values in API structs. As go.dev/issue/29678 has not yet been implemented, provide our own HardwareAddr byte-slice type which implements TextMarshaler and TextUnmarshaler to retain compatibility with the API wire format. When stdlib's net.HardwareAddr type implements TextMarshaler and TextUnmarshaler and GODEBUG=netmarshal becomes the default, we should be able to make the type a straight alias for stdlib net.HardwareAddr as a non-breaking change. Signed-off-by: Cory Snider <csnider@mirantis.com>
86 lines
3.0 KiB
Go
86 lines
3.0 KiB
Go
package container
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import (
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"context"
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"net/http"
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"github.com/moby/moby/api/types/container"
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"github.com/moby/moby/api/types/storage"
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"github.com/moby/moby/v2/daemon/internal/compat"
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"github.com/moby/moby/v2/daemon/internal/stringid"
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"github.com/moby/moby/v2/daemon/internal/versions"
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"github.com/moby/moby/v2/daemon/server/backend"
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"github.com/moby/moby/v2/daemon/server/httputils"
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"github.com/moby/moby/v2/internal/sliceutil"
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)
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// getContainersByName inspects container's configuration and serializes it as json.
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func (c *containerRouter) getContainersByName(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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ctr, desiredMACAddress, err := c.backend.ContainerInspect(ctx, vars["name"], backend.ContainerInspectOptions{
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Size: httputils.BoolValue(r, "size"),
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})
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if err != nil {
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return err
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}
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version := httputils.VersionFromContext(ctx)
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if versions.LessThan(version, "1.45") {
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shortCID := stringid.TruncateID(ctr.ID)
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for nwName, ep := range ctr.NetworkSettings.Networks {
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if container.NetworkMode(nwName).IsUserDefined() {
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ep.Aliases = sliceutil.Dedup(append(ep.Aliases, shortCID, ctr.Config.Hostname))
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}
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}
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}
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if versions.LessThan(version, "1.48") {
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ctr.ImageManifestDescriptor = nil
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}
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var wrapOpts []compat.Option
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if versions.LessThan(version, "1.52") {
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if bridgeNw := ctr.NetworkSettings.Networks["bridge"]; bridgeNw != nil {
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// Old API versions showed the bridge's configuration as top-level
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// fields in "NetworkSettings".
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//
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// This was deprecated in API v1.44, but kept in place until
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// API v1.52, which removes this entirely.
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wrapOpts = append(wrapOpts, compat.WithExtraFields(map[string]any{
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"NetworkSettings": map[string]any{
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"EndpointID": bridgeNw.EndpointID,
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"Gateway": bridgeNw.Gateway,
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"GlobalIPv6Address": bridgeNw.GlobalIPv6Address,
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"GlobalIPv6PrefixLen": bridgeNw.GlobalIPv6PrefixLen,
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"IPAddress": bridgeNw.IPAddress,
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"IPPrefixLen": bridgeNw.IPPrefixLen,
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"IPv6Gateway": bridgeNw.IPv6Gateway,
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"MacAddress": bridgeNw.MacAddress,
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},
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}))
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}
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// Migrate the container's main / default network's MacAddress to
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// the Config.MacAddress field for older API versions (< 1.44).
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//
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// This was deprecated in API v1.44, but kept in place until
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// API v1.52, which removed this entirely.
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if len(desiredMACAddress) != 0 {
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wrapOpts = append(wrapOpts, compat.WithExtraFields(map[string]any{
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"Config": map[string]any{
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"MacAddress": desiredMACAddress,
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},
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}))
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}
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// Restore the GraphDriver field, now omitted when a snapshotter is used.
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// Remove the Storage field that replaced it.
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if ctr.GraphDriver == nil && ctr.Storage != nil && ctr.Storage.RootFS != nil && ctr.Storage.RootFS.Snapshot != nil {
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ctr.GraphDriver = &storage.DriverData{
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Name: ctr.Storage.RootFS.Snapshot.Name,
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}
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ctr.Storage = nil
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}
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}
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return httputils.WriteJSON(w, http.StatusOK, compat.Wrap(ctr, wrapOpts...))
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}
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