penguin/monok8s

clitools/pkg/node/uboot/ab.go

raw · 1174 bytes

package uboot

import (
	"context"
	"fmt"
	"os"

	"example.com/monok8s/pkg/node"
)

func ConfigureABBoot(ctx context.Context, nctx *node.NodeContext) error {

	exePath, err := os.Executable()
	if err != nil {
		return fmt.Errorf("get current executable path: %w", err)
	}

	writer := NewFWEnvWriter(HostFWEnvCfgPath, exePath)

	// TODO: configurable from cluster.env
	return writer.EnsureBootEnv(ctx, BootEnvConfig{
		BootSource: "usb",
		BootPart:   "A",
	})
}

// This is called by the agent controller/osupgrade/handler.go
func ConfigureNextBoot(ctx context.Context, fwEnvCfgPath string) error {

	exePath, err := os.Executable()
	if err != nil {
		return fmt.Errorf("get current executable path: %w", err)
	}

	writer := NewFWEnvWriter(fwEnvCfgPath, exePath)

	currBootPart, err := writer.GetEnv(ctx, "boot_part")
	if err != nil {
		return fmt.Errorf("get boot_part: %w", err)
	}

	next := "A"
	if currBootPart == "A" {
		next = "B"

	}

	currBootSource, err := writer.GetEnv(ctx, "boot_source")
	if err != nil {
		return fmt.Errorf("get boot_source: %w", err)
	}

	return writer.EnsureBootEnv(ctx, BootEnvConfig{
		BootSource: currBootSource,
		BootPart:   next,
	})
}