From baef6eff36775dd3d1762e5821703fec22168ad7 Mon Sep 17 00:00:00 2001 From: Giuseppe Scrivano Date: Fri, 2 Oct 2020 08:53:54 +0200 Subject: rootless: move GetAvailableGids to the rootless pkg Signed-off-by: Giuseppe Scrivano --- pkg/rootless/rootless.go | 15 +++++++++++++++ pkg/specgen/generate/oci.go | 15 +-------------- 2 files changed, 16 insertions(+), 14 deletions(-) diff --git a/pkg/rootless/rootless.go b/pkg/rootless/rootless.go index d02721ea9..3c33597b6 100644 --- a/pkg/rootless/rootless.go +++ b/pkg/rootless/rootless.go @@ -4,6 +4,7 @@ import ( "os" "github.com/containers/storage" + "github.com/opencontainers/runc/libcontainer/user" "github.com/pkg/errors" ) @@ -46,3 +47,17 @@ func TryJoinPauseProcess(pausePidPath string) (bool, int, error) { } return became, ret, err } + +// GetAvailableGids returns how many GIDs are available in the +// current user namespace. +func GetAvailableGids() (int64, error) { + idMap, err := user.ParseIDMapFile("/proc/self/gid_map") + if err != nil { + return 0, err + } + count := int64(0) + for _, r := range idMap { + count += r.Count + } + return count, nil +} diff --git a/pkg/specgen/generate/oci.go b/pkg/specgen/generate/oci.go index b57ddf1aa..f02432f5b 100644 --- a/pkg/specgen/generate/oci.go +++ b/pkg/specgen/generate/oci.go @@ -10,7 +10,6 @@ import ( "github.com/containers/podman/v2/libpod/image" "github.com/containers/podman/v2/pkg/rootless" "github.com/containers/podman/v2/pkg/specgen" - "github.com/opencontainers/runc/libcontainer/user" spec "github.com/opencontainers/runtime-spec/specs-go" "github.com/opencontainers/runtime-tools/generate" "github.com/pkg/errors" @@ -200,7 +199,7 @@ func SpecGenToOCI(ctx context.Context, s *specgen.SpecGenerator, rt *libpod.Runt } gid5Available := true if isRootless { - nGids, err := GetAvailableGids() + nGids, err := rootless.GetAvailableGids() if err != nil { return nil, err } @@ -360,15 +359,3 @@ func SpecGenToOCI(ctx context.Context, s *specgen.SpecGenerator, rt *libpod.Runt return configSpec, nil } - -func GetAvailableGids() (int64, error) { - idMap, err := user.ParseIDMapFile("/proc/self/gid_map") - if err != nil { - return 0, err - } - count := int64(0) - for _, r := range idMap { - count += r.Count - } - return count, nil -} -- cgit v1.2.3-54-g00ecf