Merge branch 'master' into 21815

Makefile

@@ -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)
 
 # Default to .0 for higher cache hit rates, as build increments typically don't require new ISO versions
-ISO_VERSION ?= v1.37.0-1761414747-21797
+ISO_VERSION ?= v1.37.0-1761658712-21800
 
 # Dashes are valid in semver, but not Linux packaging. Use ~ to delimit alpha/beta
 DEB_VERSION ?= $(subst -,~,$(RAW_VERSION))

deploy/iso/minikube-iso/board/minikube/aarch64/linux_aarch64_defconfig

@@ -947,7 +947,7 @@ CONFIG_CMA_SIZE_MBYTES=32
 CONFIG_PRINTK_TIME=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
-CONFIG_DEBUG_INFO_REDUCED=y
+CONFIG_DEBUG_INFO_BTF=y
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_DEBUG_FS=y
 # CONFIG_SCHED_DEBUG is not set

deploy/iso/minikube-iso/board/minikube/x86_64/linux_x86_64_defconfig

@@ -502,6 +502,8 @@ CONFIG_CRYPTO_USER_API_SKCIPHER=y
 CONFIG_CRYPTO_AES_NI_INTEL=y
 CONFIG_PRINTK_TIME=y
 CONFIG_DEBUG_KERNEL=y
+CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
+CONFIG_DEBUG_INFO_BTF=y
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_DEBUG_STACK_USAGE=y
 # CONFIG_SCHED_DEBUG is not set
@@ -509,6 +511,8 @@ CONFIG_SCHEDSTATS=y
 CONFIG_FUNCTION_TRACER=y
 CONFIG_FTRACE_SYSCALLS=y
 CONFIG_BLK_DEV_IO_TRACE=y
+CONFIG_BPF_KPROBE_OVERRIDE=y
 CONFIG_PROVIDE_OHCI1394_DMA_INIT=y
 CONFIG_EARLY_PRINTK_DBGP=y
 CONFIG_DEBUG_BOOT_PARAMS=y
+CONFIG_FUNCTION_ERROR_INJECTION=y

pkg/minikube/download/iso.go

@@ -41,7 +41,7 @@ const fileScheme = "file"
 // DefaultISOURLs returns a list of ISO URL's to consult by default, in priority order
 func DefaultISOURLs() []string {
 	v := version.GetISOVersion()
-	isoBucket := "minikube-builds/iso/21797"
+	isoBucket := "minikube-builds/iso/21800"
 
 	return []string{
 		fmt.Sprintf("https://storage.googleapis.com/%s/minikube-%s-%s.iso", isoBucket, v, runtime.GOARCH),

pkg/minikube/service/service_test.go

@@ -21,6 +21,7 @@ import (
 	"context"
 	"fmt"
 	"os"
+	"path/filepath"
 	"reflect"
 	"strings"
 	"testing"
@@ -712,45 +713,41 @@ preferences: {}
 users:
 - name: minikube
 `
-	var tests = []struct {
-		description    string
-		kubeconfigPath string
-		config         string
-		err            bool
+	tests := []struct {
+		description string
+		config      string
+		err         bool
 	}{
 		{
-			description:    "ok",
-			kubeconfigPath: "/tmp/kube_config",
-			config:         mockK8sConfig,
-			err:            false,
+			description: "ok",
+			config:      mockK8sConfig,
+			err:         false,
 		},
 		{
-			description:    "empty config",
-			kubeconfigPath: "/tmp/kube_config",
-			config:         "",
-			err:            true,
+			description: "empty config",
+			config:      "",
+			err:         true,
 		},
 		{
-			description:    "broken config",
-			kubeconfigPath: "/tmp/kube_config",
-			config:         "this**is&&not: yaml::valid: file",
-			err:            true,
+			description: "broken config",
+			config:      "this**is&&not: yaml::valid: file",
+			err:         true,
 		},
 	}
 
 	for _, test := range tests {
 		t.Run(test.description, func(t *testing.T) {
-			mockK8sConfigByte := []byte(test.config)
-			mockK8sConfigPath := test.kubeconfigPath
-			err := os.WriteFile(mockK8sConfigPath, mockK8sConfigByte, 0644)
-			defer os.Remove(mockK8sConfigPath)
-			if err != nil {
-				t.Fatalf("Unexpected error when writing to file %v. Error: %v", test.kubeconfigPath, err)
+			tmpDir := t.TempDir()
+			mockK8sConfigPath := filepath.Join(tmpDir, "kube_config")
+
+			if err := os.WriteFile(mockK8sConfigPath, []byte(test.config), 0600); err != nil {
+				t.Fatalf("failed to write kubeconfig: %v", err)
 			}
 			t.Setenv("KUBECONFIG", mockK8sConfigPath)
 
 			k8s := K8sClientGetter{}
-			_, err = k8s.GetCoreClient("minikube")
+			_, err := k8s.GetCoreClient("minikube")
+
 			if err != nil && !test.err {
 				t.Fatalf("GetCoreClient returned unexpected error: %v", err)
 			}

site/config.toml

@@ -165,7 +165,7 @@ no = 'Sorry to hear that. Please <a href="https://github.com/kubernetes/minikube
 [[params.links.developer]]
 	name = "Project Roadmap"
 	url = "https://minikube.sigs.k8s.io/docs/contrib/roadmap/"
-	icon = "fas fa-external-link-alt"
+	icon = "fas fa-map"
 	desc = "Check out the project roadmap"
 
 # minikube meetings

test/integration/iso_test.go

@@ -24,6 +24,7 @@ import (
 	"fmt"
 	"os/exec"
 	"runtime"
+	"strings"
 	"testing"
 
 	"k8s.io/minikube/pkg/minikube/vmpath"
@@ -117,4 +118,17 @@ func TestISOImage(t *testing.T) {
 			t.Logf("  %s: %s", k, v)
 		}
 	})
+  
+	t.Run("eBPFSupport", func(t *testing.T) {
+		// Ensure that BTF type information is available (https://github.com/kubernetes/minikube/issues/21788)
+		btfFile := "/sys/kernel/btf/vmlinux"
+		rr, err := Run(t, exec.CommandContext(ctx, Target(), "-p", profile, "ssh", fmt.Sprintf("test -f %s && echo 'OK' || echo 'NOT FOUND'", btfFile)))
+		if err != nil {
+			t.Errorf("failed to verify existence of %q file: args %q: %v", btfFile, rr.Command(), err)
+		}
+
+		if !strings.Contains(rr.Stdout.String(), "OK") {
+			t.Errorf("expected file %q to exist, but it does not. BTF types are required for CO-RE eBPF programs; set CONFIG_DEBUG_INFO_BTF in kernel configuration.", btfFile)
+		}
+	})
 }