mirror of
https://github.com/kairos-io/immucore.git
synced 2025-07-31 22:16:29 +00:00
f490b08587
- set debug level via cmdline - set default RW paths needed ALWAYS to boot a working system, even with no config files(recovery) - Check for loop device before mounting it to avoid duplicated mounts - Force overlay and bind arrays to uniqueness - Rename OverlayDir to OverlayDirs to better represent the content Signed-off-by: Itxaka <itxaka@spectrocloud.com>
47 lines
1.1 KiB
Go
47 lines
1.1 KiB
Go
package utils
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import (
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"fmt"
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"github.com/kairos-io/kairos/pkg/utils"
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"os"
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"strings"
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)
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// https://github.com/kairos-io/packages/blob/7c3581a8ba6371e5ce10c3a98bae54fde6a505af/packages/system/dracut/immutable-rootfs/30cos-immutable-rootfs/cos-mount-layout.sh#L58
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// input: LABEL=FOO:/mount
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// output: /dev/disk...:/mount
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func ParseMount(s string) string {
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switch {
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case strings.Contains(s, "UUID="):
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dat := strings.Split(s, "UUID=")
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return fmt.Sprintf("/dev/disk/by-uuid/%s", dat[1])
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case strings.Contains(s, "LABEL="):
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dat := strings.Split(s, "LABEL=")
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return fmt.Sprintf("/dev/disk/by-label/%s", dat[1])
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default:
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return s
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}
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}
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func ReadCMDLineArg(arg string) []string {
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cmdLine, err := os.ReadFile("/proc/cmdline")
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if err != nil {
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return []string{}
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}
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res := []string{}
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fields := strings.Fields(string(cmdLine))
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for _, f := range fields {
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if strings.HasPrefix(f, arg) {
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dat := strings.Split(f, arg)
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res = append(res, dat[1])
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}
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}
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return res
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}
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func IsMountedByLabel(label string) bool {
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_, err := utils.SH(fmt.Sprintf("findmnt /dev/disk/by-label/%s", label))
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return err == nil
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}
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