libpod: Split out platform-specific code from hostInfo

[NO NEW TESTS NEEDED]

Signed-off-by: Doug Rabson <dfr@rabson.org>

1 files changed, 19 insertions, 88 deletions

diff --git a/libpod/info.go b/libpod/info.go
index 8db6df8cc..96fd7242e 100644
--- a/libpod/info.go
+++ b/libpod/info.go
@@ -11,7 +11,6 @@ import (
 	"io/ioutil"
 	"math"
 	"os"
-	"os/exec"
 	"runtime"
 	"strconv"
 	"strings"
@@ -19,16 +18,12 @@ import (
 	"time"
 
 	"github.com/containers/buildah"
-	"github.com/containers/common/pkg/apparmor"
-	"github.com/containers/common/pkg/cgroups"
-	"github.com/containers/common/pkg/seccomp"
 	"github.com/containers/image/v5/pkg/sysregistriesv2"
 	"github.com/containers/podman/v4/libpod/define"
 	"github.com/containers/podman/v4/libpod/linkmode"
 	"github.com/containers/podman/v4/pkg/rootless"
 	"github.com/containers/storage"
 	"github.com/containers/storage/pkg/system"
-	"github.com/opencontainers/selinux/go-selinux"
 	"github.com/sirupsen/logrus"
 )
 
@@ -104,94 +99,30 @@ func (r *Runtime) hostInfo() (*define.HostInfo, error) {
 		return nil, fmt.Errorf("error getting hostname: %w", err)
 	}
 
-	seccompProfilePath, err := DefaultSeccompPath()
-	if err != nil {
-		return nil, fmt.Errorf("error getting Seccomp profile path: %w", err)
-	}
-
-	// Cgroups version
-	unified, err := cgroups.IsCgroup2UnifiedMode()
-	if err != nil {
-		return nil, fmt.Errorf("error reading cgroups mode: %w", err)
-	}
-
-	// Get Map of all available controllers
-	availableControllers, err := cgroups.GetAvailableControllers(nil, unified)
-	if err != nil {
-		return nil, fmt.Errorf("error getting available cgroup controllers: %w", err)
-	}
 	cpuUtil, err := getCPUUtilization()
 	if err != nil {
 		return nil, err
 	}
 	info := define.HostInfo{
-		Arch:              runtime.GOARCH,
-		BuildahVersion:    buildah.Version,
-		CgroupManager:     r.config.Engine.CgroupManager,
-		CgroupControllers: availableControllers,
-		Linkmode:          linkmode.Linkmode(),
-		CPUs:              runtime.NumCPU(),
-		CPUUtilization:    cpuUtil,
-		Distribution:      hostDistributionInfo,
-		LogDriver:         r.config.Containers.LogDriver,
-		EventLogger:       r.eventer.String(),
-		Hostname:          host,
-		IDMappings:        define.IDMappings{},
-		Kernel:            kv,
-		MemFree:           mi.MemFree,
-		MemTotal:          mi.MemTotal,
-		NetworkBackend:    r.config.Network.NetworkBackend,
-		OS:                runtime.GOOS,
-		Security: define.SecurityInfo{
-			AppArmorEnabled:     apparmor.IsEnabled(),
-			DefaultCapabilities: strings.Join(r.config.Containers.DefaultCapabilities, ","),
-			Rootless:            rootless.IsRootless(),
-			SECCOMPEnabled:      seccomp.IsEnabled(),
-			SECCOMPProfilePath:  seccompProfilePath,
-			SELinuxEnabled:      selinux.GetEnabled(),
-		},
-		Slirp4NetNS: define.SlirpInfo{},
-		SwapFree:    mi.SwapFree,
-		SwapTotal:   mi.SwapTotal,
-	}
-
-	cgroupVersion := "v1"
-	if unified {
-		cgroupVersion = "v2"
-	}
-	info.CgroupsVersion = cgroupVersion
-
-	slirp4netnsPath := r.config.Engine.NetworkCmdPath
-	if slirp4netnsPath == "" {
-		slirp4netnsPath, _ = exec.LookPath("slirp4netns")
-	}
-	if slirp4netnsPath != "" {
-		version, err := programVersion(slirp4netnsPath)
-		if err != nil {
-			logrus.Warnf("Failed to retrieve program version for %s: %v", slirp4netnsPath, err)
-		}
-		program := define.SlirpInfo{
-			Executable: slirp4netnsPath,
-			Package:    packageVersion(slirp4netnsPath),
-			Version:    version,
-		}
-		info.Slirp4NetNS = program
-	}
-
-	if rootless.IsRootless() {
-		uidmappings, err := rootless.ReadMappingsProc("/proc/self/uid_map")
-		if err != nil {
-			return nil, fmt.Errorf("error reading uid mappings: %w", err)
-		}
-		gidmappings, err := rootless.ReadMappingsProc("/proc/self/gid_map")
-		if err != nil {
-			return nil, fmt.Errorf("error reading gid mappings: %w", err)
-		}
-		idmappings := define.IDMappings{
-			GIDMap: gidmappings,
-			UIDMap: uidmappings,
-		}
-		info.IDMappings = idmappings
+		Arch:           runtime.GOARCH,
+		BuildahVersion: buildah.Version,
+		Linkmode:       linkmode.Linkmode(),
+		CPUs:           runtime.NumCPU(),
+		CPUUtilization: cpuUtil,
+		Distribution:   hostDistributionInfo,
+		LogDriver:      r.config.Containers.LogDriver,
+		EventLogger:    r.eventer.String(),
+		Hostname:       host,
+		Kernel:         kv,
+		MemFree:        mi.MemFree,
+		MemTotal:       mi.MemTotal,
+		NetworkBackend: r.config.Network.NetworkBackend,
+		OS:             runtime.GOOS,
+		SwapFree:       mi.SwapFree,
+		SwapTotal:      mi.SwapTotal,
+	}
+	if err := r.setPlatformHostInfo(&info); err != nil {
+		return nil, err
 	}
 
 	conmonInfo, ociruntimeInfo, err := r.defaultOCIRuntime.RuntimeInfo()