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Merge pull request #97968 from saschagrunert/apparmor-host-check

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Remove check for apparmor_parser in AppArmor host validation
This commit is contained in:
Kubernetes Prow Robot 2021-04-13 01:58:50 -07:00 committed by GitHub
commit dd72c4534c
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2 changed files with 5 additions and 19 deletions
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18
pkg/security/apparmor/validate.go
View File

@ -20,11 +20,11 @@ import (
"bufio"
"errors"
"fmt"
"io/ioutil"
"os"
"path"
"strings"
"github.com/opencontainers/runc/libcontainer/apparmor"
v1 "k8s.io/api/core/v1"
utilfeature "k8s.io/apiserver/pkg/util/feature"
podutil "k8s.io/kubernetes/pkg/api/v1/pod"
@ -107,7 +107,7 @@ func validateHost(runtime string) error {
}
// Check kernel support.
if !IsAppArmorEnabled() {
if !apparmor.IsEnabled() {
return errors.New("AppArmor is not enabled on the host")
}
@ -212,17 +212,3 @@ func getAppArmorFS() (string, error) {
return "", errors.New("securityfs not found")
}
// IsAppArmorEnabled returns true if apparmor is enabled for the host.
// This function is forked from
// https://github.com/opencontainers/runc/blob/1a81e9ab1f138c091fe5c86d0883f87716088527/libcontainer/apparmor/apparmor.go
// to avoid the libapparmor dependency.
func IsAppArmorEnabled() bool {
if _, err := os.Stat("/sys/kernel/security/apparmor"); err == nil && os.Getenv("container") == "" {
if _, err = os.Stat("/sbin/apparmor_parser"); err == nil {
buf, err := ioutil.ReadFile("/sys/module/apparmor/parameters/enabled")
return err == nil && len(buf) > 1 && buf[0] == 'Y'
}
}
return false
}

6
test/e2e_node/apparmor_test.go
View File

@ -27,7 +27,8 @@ import (
"strconv"
"strings"
"k8s.io/api/core/v1"
"github.com/opencontainers/runc/libcontainer/apparmor"
v1 "k8s.io/api/core/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/fields"
@ -37,7 +38,6 @@ import (
"k8s.io/client-go/tools/cache"
watchtools "k8s.io/client-go/tools/watch"
"k8s.io/klog/v2"
"k8s.io/kubernetes/pkg/security/apparmor"
"k8s.io/kubernetes/test/e2e/framework"
e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
@ -246,5 +246,5 @@ func isAppArmorEnabled() bool {
if strings.Contains(framework.TestContext.NodeName, "-ubuntu-") {
return true
}
return apparmor.IsAppArmorEnabled()
return apparmor.IsEnabled()
}