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Add support for machines that do not have a SMBIOS

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Try to read from "/sys/firmware/devicetree/base/serial-number" if there is no SMBIOS (Raspberry Pi Serial Number) and create a UUID from that.

Fixes warewulf/warewulf#1108

Signed-off-by: Timothy Middelkoop <tmiddelkoop@internet2.edu>
This commit is contained in:
Timothy Middelkoop
2024-02-26 23:49:45 +00:00
committed by Christian Goll
parent d34ea7742b
commit c61af786f3
1 changed files with 19 additions and 8 deletions
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27
internal/app/wwclient/root.go
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@@ -118,15 +118,26 @@ func CobraRunE(cmd *cobra.Command, args []string) (err error) {
ExpectContinueTimeout: 1 * time.Second,
},
}
smbiosDump, err := smbios.New()
if err != nil {
wwlog.Error("Could not get SMBIOS info: %s", err)
os.Exit(1)
var localUUID uuid.UUID
var tag string
smbiosDump, smbiosErr := smbios.New()
if smbiosErr == nil {
sysinfoDump := smbiosDump.SystemInformation()
localUUID, _ = sysinfoDump.UUID()
x := smbiosDump.SystemEnclosure()
tag = strings.ReplaceAll(x.AssetTagNumber(), " ", "_")
} else {
// Raspberry Pi serial and DUID locations
// /sys/firmware/devicetree/base/serial-number
// /sys/firmware/devicetree/base/chosen/rpi-duid
piSerial, err := os.ReadFile("/sys/firmware/devicetree/base/serial-number")
if err != nil {
wwlog.Error("Could not get SMBIOS info: %s", smbiosErr)
os.Exit(1)
}
localUUID = uuid.NewSHA1(uuid.NameSpaceURL, []byte("http://raspberrypi.com/serial-number/"+string(piSerial)))
tag = "Unknown"
}
sysinfoDump := smbiosDump.SystemInformation()
localUUID, _ := sysinfoDump.UUID()
x := smbiosDump.SystemEnclosure()
tag := strings.ReplaceAll(x.AssetTagNumber(), " ", "_")
cmdline, err := os.ReadFile("/proc/cmdline")
if err != nil {