22910958b5
wwlog provides named loggers for each level, which requires less code and is clearer than wwlog.Printf. The code has included a mix of both, but this commit consolidates existing code on the per-level functions. Signed-off-by: Jonathon Anderson <janderson@ciq.co>
70 lines
1.3 KiB
Go
70 lines
1.3 KiB
Go
package container
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import (
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"path"
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"path/filepath"
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"sort"
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"github.com/hpcng/warewulf/internal/pkg/util"
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"github.com/hpcng/warewulf/internal/pkg/wwlog"
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)
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var (
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kernelNames = []string{
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`vmlinux`,
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`vmlinuz`,
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`vmlinux-*`,
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`vmlinuz-*`,
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`vmlinuz.gz` }
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kernelDirs = []string{
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`/lib/modules/*/`,
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`/boot/` }
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)
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func KernelFind(container string) string {
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wwlog.Debug("Finding kernel\n")
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container_path := RootFsDir(container)
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if container_path == "" {
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return ""
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}
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for _, kdir := range kernelDirs {
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wwlog.Debug("Checking kernel directory: %s\n", kdir)
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for _, kname := range kernelNames {
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wwlog.Debug("Checking for kernel name: %s\n", kname)
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kernelPaths, err := filepath.Glob(path.Join(container_path, kdir, kname))
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if err != nil {
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return ""
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}
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if len(kernelPaths) == 0 {
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continue
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}
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sort.Slice(kernelPaths, func(i, j int) bool {
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return kernelPaths[i] > kernelPaths[j]
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})
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for _, kernelPath := range kernelPaths {
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wwlog.Debug("Checking for kernel path: %s\n", kernelPath)
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if util.IsFile(kernelPath) {
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return kernelPath
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}
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}
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}
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}
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return ""
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}
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func KernelVersion(container string) string {
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wwlog.Debug("Finding kernel version inside container: %s\n", container)
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kernel := KernelFind(container)
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if kernel == "" {
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return ""
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}
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return path.Base(path.Dir(kernel))
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}
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