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72f1617fac
Moving from Go module v4 to v5 prepares us for public releases. Move done using gomove [1] as with the v3 and v4 moves. [1] https://github.com/KSubedi/gomove Signed-off-by: Matt Heon <mheon@redhat.com>
62 lines
1.8 KiB
Go
62 lines
1.8 KiB
Go
//go:build !remote
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package generate
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import (
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"fmt"
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"os"
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"github.com/containers/buildah/pkg/jail"
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"github.com/containers/podman/v5/libpod"
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"github.com/containers/podman/v5/pkg/specgen"
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"github.com/opencontainers/runtime-tools/generate"
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"github.com/sirupsen/logrus"
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)
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func specConfigureNamespaces(s *specgen.SpecGenerator, g *generate.Generator, rt *libpod.Runtime, pod *libpod.Pod) error {
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// UTS
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hostname := s.Hostname
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if hostname == "" {
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switch {
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case s.UtsNS.NSMode == specgen.FromPod:
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hostname = pod.Hostname()
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case s.UtsNS.NSMode == specgen.FromContainer:
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utsCtr, err := rt.LookupContainer(s.UtsNS.Value)
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if err != nil {
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return fmt.Errorf("looking up container to share uts namespace with: %w", err)
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}
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hostname = utsCtr.Hostname()
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case (s.NetNS.NSMode == specgen.Host && hostname == "") || s.UtsNS.NSMode == specgen.Host:
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tmpHostname, err := os.Hostname()
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if err != nil {
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return fmt.Errorf("unable to retrieve hostname of the host: %w", err)
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}
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hostname = tmpHostname
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default:
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logrus.Debug("No hostname set; container's hostname will default to runtime default")
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}
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}
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g.RemoveHostname()
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if s.Hostname != "" || s.UtsNS.NSMode != specgen.Host {
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// Set the hostname in the OCI configuration only if specified by
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// the user or if we are creating a new UTS namespace.
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// TODO: Should we be doing this for pod or container shared
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// namespaces?
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g.SetHostname(hostname)
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}
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if _, ok := s.Env["HOSTNAME"]; !ok && s.Hostname != "" {
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g.AddProcessEnv("HOSTNAME", hostname)
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}
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return nil
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}
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// On FreeBSD 13.3 and later, we can avoid creating a separate vnet jail but
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// only if we can initialise the network after the OCI container is created -
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// the OCI container will own the vnet in this case.
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func needPostConfigureNetNS(s *specgen.SpecGenerator) bool {
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return jail.NeedVnetJail() == false
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}
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