kernel

Documentation

Index

• func AutoReboot(after time.Duration, callback func())
• func Firmware() string
• func ParseCmdline() (map[string]string, error)
• func Reboot() error
• func RunKexec(info *Bootinfo) error
• func Watchdog()
• type Bootinfo
  • func ReadBootinfo(file string) (*Bootinfo, error)

Functions

func AutoReboot

func AutoReboot(after time.Duration, callback func())

AutoReboot will start a timer and reboot after given duration

func Firmware

func Firmware() string

Firmware returns either efi or bios, depending on the boot method.

func ParseCmdline

func ParseCmdline() (map[string]string, error)

ParseCmdline will put each key=value pair from /proc/cmdline into a map.

func Reboot

func Reboot() error

Reboot reboots the the server

func RunKexec

func RunKexec(info *Bootinfo) error

RunKexec boot into the new kernel given in Bootinfo

func Watchdog

func Watchdog()

Watchdog periodically pings kernel software watchdog. from https://github.com/gokrazy/gokrazy

Types

type Bootinfo

type Bootinfo struct {
	Initrd       string `yaml:"initrd"`
	Cmdline      string `yaml:"cmdline"`
	Kernel       string `yaml:"kernel"`
	BootloaderID string `yaml:"bootloader_id"`
}

Bootinfo is written by the installer in the target os to tell us which kernel, initrd and cmdline must be used for kexec

func ReadBootinfo

func ReadBootinfo(file string) (*Bootinfo, error)

ReadBootinfo read boot-info.yaml which was written by the OS install.sh to get all information required to do kexec.