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iso: Disable grub timeout speeding up vm start by 5 seconds (#20895) 

* iso: Disable grub timeout

This speeds up machine boot by 5 seconds. The timeout may be helpful for
debugging boot issues but we don't have a way to access the serial
console for debugging currently.

Testing shows about ~5 seconds speedup.

| driver     | timeout | start time |
|------------|---------|------------|
| vfkit[1]   |     5.0 |      24.01 |
| vfkit[1]   |     0.0 |      19.90 |
| qemu       |     5.0 |      29.46 |
| qemu       |     0.0 |      24.28 |
| krunkit[2] |     5.0 |      25.14 |
| krunkit[2] |     0.0 |      20.51 |

[1] Tested with #20833, booting using iso instead of direct kernel
    boot. Direct kernel boot is little bit faster (e.g. 18.x).
[2] Tested with #20826

* Updating ISO to v1.36.0-1749153077-20895

---------

Co-authored-by: minikube-bot <minikube-bot@google.com>
pull/20899/head
Nir Soffer 2025-06-07 02:07:50 +03:00 committed by GitHub
parent 017ef750b3
commit 57dd4b3d17
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
4 changed files with 4 additions and 4 deletions
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2
Makefile
View File

@ -24,7 +24,7 @@ KIC_VERSION ?= $(shell grep -E "Version =" pkg/drivers/kic/types.go | cut -d \"
HUGO_VERSION ?= $(shell grep -E "HUGO_VERSION = \"" netlify.toml | cut -d \" -f2) HUGO_VERSION ?= $(shell grep -E "HUGO_VERSION = \"" netlify.toml | cut -d \" -f2)
# Default to .0 for higher cache hit rates, as build increments typically don't require new ISO versions # Default to .0 for higher cache hit rates, as build increments typically don't require new ISO versions
ISO_VERSION ?= v1.36.0-1749066232-20832 ISO_VERSION ?= v1.36.0-1749153077-20895
# Dashes are valid in semver, but not Linux packaging. Use ~ to delimit alpha/beta # Dashes are valid in semver, but not Linux packaging. Use ~ to delimit alpha/beta
DEB_VERSION ?= $(subst -,~,$(RAW_VERSION)) DEB_VERSION ?= $(subst -,~,$(RAW_VERSION))

2
deploy/iso/minikube-iso/board/minikube/aarch64/grub.cfg
View File

@ -1,5 +1,5 @@
set default="0" set default="0"
set timeout="5" set timeout="0"
menuentry "Buildroot" { menuentry "Buildroot" {
# The console depends on the driver: # The console depends on the driver:

2
deploy/iso/minikube-iso/board/minikube/x86_64/grub.cfg
View File

@ -1,5 +1,5 @@
set default="0" set default="0"
set timeout="5" set timeout="0"
menuentry "Buildroot" { menuentry "Buildroot" {
linux /boot/bzimage console=tty0 rw # kernel linux /boot/bzimage console=tty0 rw # kernel

2
pkg/minikube/download/iso.go
View File

@ -41,7 +41,7 @@ const fileScheme = "file"
// DefaultISOURLs returns a list of ISO URL's to consult by default, in priority order // DefaultISOURLs returns a list of ISO URL's to consult by default, in priority order
func DefaultISOURLs() []string { func DefaultISOURLs() []string {
v := version.GetISOVersion() v := version.GetISOVersion()
isoBucket := "minikube-builds/iso/20832" isoBucket := "minikube-builds/iso/20895"
return []string{ return []string{
fmt.Sprintf("https://storage.googleapis.com/%s/minikube-%s-%s.iso", isoBucket, v, runtime.GOARCH), fmt.Sprintf("https://storage.googleapis.com/%s/minikube-%s-%s.iso", isoBucket, v, runtime.GOARCH),