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Merge pull request #106859 from knight42/refactor/remove-apiserver-insecure-port

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refactor(apiserver): remove the insecure flags
This commit is contained in:
Kubernetes Prow Robot 2021-12-09 09:48:30 -08:00 committed by GitHub
commit 8cc7d14588
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5 changed files with 14 additions and 88 deletions
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5
cluster/gce/gci/configure-kubeapiserver.sh
View File

@ -67,7 +67,6 @@ function start-kube-apiserver {
# Calculate variables and assemble the command line.
local params="${API_SERVER_TEST_LOG_LEVEL:-"--v=2"} ${APISERVER_TEST_ARGS:-} ${CLOUD_CONFIG_OPT}"
params+=" --address=127.0.0.1"
params+=" --allow-privileged=true"
params+=" --cloud-provider=gce"
params+=" --client-ca-file=${CA_CERT_BUNDLE_PATH}"
@ -76,10 +75,6 @@ function start-kube-apiserver {
configure-etcd-params params
params+=" --secure-port=443"
if [[ "${ENABLE_APISERVER_INSECURE_PORT:-false}" != "true" ]]; then
# Default is :8080
params+=" --insecure-port=0"
fi
params+=" --tls-cert-file=${APISERVER_SERVER_CERT_PATH}"
params+=" --tls-private-key-file=${APISERVER_SERVER_KEY_PATH}"
if [[ -n "${OLD_MASTER_IP:-}" ]]; then

26
cmd/kube-apiserver/app/options/options.go
View File

@ -22,7 +22,6 @@ import (
"strings"
"time"
"github.com/spf13/pflag"
utilnet "k8s.io/apimachinery/pkg/util/net"
genericoptions "k8s.io/apiserver/pkg/server/options"
"k8s.io/apiserver/pkg/storage/storagebackend"
@ -39,10 +38,6 @@ import (
"k8s.io/kubernetes/pkg/serviceaccount"
)
// InsecurePortFlags are dummy flags, they are kept only for compatibility and will be removed in v1.24.
// TODO: remove these flags in v1.24.
var InsecurePortFlags = []string{"insecure-port", "port"}
// ServerRunOptions runs a kubernetes api server.
type ServerRunOptions struct {
GenericServerRunOptions *genericoptions.ServerRunOptions
@ -145,33 +140,12 @@ func NewServerRunOptions() *ServerRunOptions {
return &s
}
// TODO: remove these insecure flags in v1.24
func addDummyInsecureFlags(fs *pflag.FlagSet) {
var (
bindAddr = net.IPv4(127, 0, 0, 1)
bindPort int
)
for _, name := range []string{"insecure-bind-address", "address"} {
fs.IPVar(&bindAddr, name, bindAddr, ""+
"The IP address on which to serve the insecure port (set to 0.0.0.0 or :: for listening in all interfaces and IP families).")
fs.MarkDeprecated(name, "This flag has no effect now and will be removed in v1.24.")
}
for _, name := range InsecurePortFlags {
fs.IntVar(&bindPort, name, bindPort, ""+
"The port on which to serve unsecured, unauthenticated access.")
fs.MarkDeprecated(name, "This flag has no effect now and will be removed in v1.24.")
}
}
// Flags returns flags for a specific APIServer by section name
func (s *ServerRunOptions) Flags() (fss cliflag.NamedFlagSets) {
// Add the generic flags.
s.GenericServerRunOptions.AddUniversalFlags(fss.FlagSet("generic"))
s.Etcd.AddFlags(fss.FlagSet("etcd"))
s.SecureServing.AddFlags(fss.FlagSet("secure serving"))
addDummyInsecureFlags(fss.FlagSet("insecure serving"))
s.Audit.AddFlags(fss.FlagSet("auditing"))
s.Features.AddFlags(fss.FlagSet("features"))
s.Authentication.AddFlags(fss.FlagSet("authentication"))

19
cmd/kube-apiserver/app/server.go
View File

@ -30,7 +30,6 @@ import (
"time"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
extensionsapiserver "k8s.io/apiextensions-apiserver/pkg/apiserver"
utilerrors "k8s.io/apimachinery/pkg/util/errors"
@ -81,20 +80,6 @@ import (
"k8s.io/kubernetes/pkg/serviceaccount"
)
// TODO: delete this check after insecure flags removed in v1.24
func checkNonZeroInsecurePort(fs *pflag.FlagSet) error {
for _, name := range options.InsecurePortFlags {
val, err := fs.GetInt(name)
if err != nil {
return err
}
if val != 0 {
return fmt.Errorf("invalid port value %d: only zero is allowed", val)
}
}
return nil
}
// NewAPIServerCommand creates a *cobra.Command object with default parameters
func NewAPIServerCommand() *cobra.Command {
s := options.NewServerRunOptions()
@ -124,10 +109,6 @@ cluster's shared state through which all other components interact.`,
}
cliflag.PrintFlags(fs)
err := checkNonZeroInsecurePort(fs)
if err != nil {
return err
}
// set default options
completedOptions, err := Complete(s)
if err != nil {

20
cmd/kubeadm/app/util/arguments_test.go
View File

@ -33,7 +33,6 @@ func TestBuildArgumentListFromMap(t *testing.T) {
name: "override an argument from the base",
base: map[string]string{
"admission-control": "NamespaceLifecycle",
"insecure-bind-address": "127.0.0.1",
"allow-privileged": "true",
},
overrides: map[string]string{
@ -42,13 +41,11 @@ func TestBuildArgumentListFromMap(t *testing.T) {
expected: []string{
"--admission-control=NamespaceLifecycle,LimitRanger",
"--allow-privileged=true",
"--insecure-bind-address=127.0.0.1",
},
},
{
name: "add an argument that is not in base",
base: map[string]string{
"insecure-bind-address": "127.0.0.1",
"allow-privileged": "true",
},
overrides: map[string]string{
@ -57,13 +54,11 @@ func TestBuildArgumentListFromMap(t *testing.T) {
expected: []string{
"--admission-control=NamespaceLifecycle,LimitRanger",
"--allow-privileged=true",
"--insecure-bind-address=127.0.0.1",
},
},
{
name: "allow empty strings in base",
base: map[string]string{
"insecure-bind-address": "127.0.0.1",
"allow-privileged": "true",
"something-that-allows-empty-string": "",
},
@ -73,14 +68,12 @@ func TestBuildArgumentListFromMap(t *testing.T) {
expected: []string{
"--admission-control=NamespaceLifecycle,LimitRanger",
"--allow-privileged=true",
"--insecure-bind-address=127.0.0.1",
"--something-that-allows-empty-string=",
},
},
{
name: "allow empty strings in overrides",
base: map[string]string{
"insecure-bind-address": "127.0.0.1",
"allow-privileged": "true",
"something-that-allows-empty-string": "foo",
},
@ -91,7 +84,6 @@ func TestBuildArgumentListFromMap(t *testing.T) {
expected: []string{
"--admission-control=NamespaceLifecycle,LimitRanger",
"--allow-privileged=true",
"--insecure-bind-address=127.0.0.1",
"--something-that-allows-empty-string=",
},
},
@ -117,12 +109,10 @@ func TestParseArgumentListToMap(t *testing.T) {
name: "normal case",
args: []string{
"--admission-control=NamespaceLifecycle,LimitRanger",
"--insecure-bind-address=127.0.0.1",
"--allow-privileged=true",
},
expectedMap: map[string]string{
"admission-control": "NamespaceLifecycle,LimitRanger",
"insecure-bind-address": "127.0.0.1",
"allow-privileged": "true",
},
},
@ -130,13 +120,11 @@ func TestParseArgumentListToMap(t *testing.T) {
name: "test that feature-gates is working",
args: []string{
"--admission-control=NamespaceLifecycle,LimitRanger",
"--insecure-bind-address=127.0.0.1",
"--allow-privileged=true",
"--feature-gates=EnableFoo=true,EnableBar=false",
},
expectedMap: map[string]string{
"admission-control": "NamespaceLifecycle,LimitRanger",
"insecure-bind-address": "127.0.0.1",
"allow-privileged": "true",
"feature-gates": "EnableFoo=true,EnableBar=false",
},
@ -146,13 +134,11 @@ func TestParseArgumentListToMap(t *testing.T) {
args: []string{
"kube-apiserver",
"--admission-control=NamespaceLifecycle,LimitRanger",
"--insecure-bind-address=127.0.0.1",
"--allow-privileged=true",
"--feature-gates=EnableFoo=true,EnableBar=false",
},
expectedMap: map[string]string{
"admission-control": "NamespaceLifecycle,LimitRanger",
"insecure-bind-address": "127.0.0.1",
"allow-privileged": "true",
"feature-gates": "EnableFoo=true,EnableBar=false",
},
@ -181,7 +167,6 @@ func TestReplaceArgument(t *testing.T) {
args: []string{
"kube-apiserver",
"--admission-control=NamespaceLifecycle,LimitRanger",
"--insecure-bind-address=127.0.0.1",
"--allow-privileged=true",
},
mutateFunc: func(argMap map[string]string) map[string]string {
@ -191,7 +176,6 @@ func TestReplaceArgument(t *testing.T) {
expectedArgs: []string{
"kube-apiserver",
"--admission-control=NamespaceLifecycle,LimitRanger,ResourceQuota",
"--insecure-bind-address=127.0.0.1",
"--allow-privileged=true",
},
},
@ -200,7 +184,6 @@ func TestReplaceArgument(t *testing.T) {
args: []string{
"kube-apiserver",
"--admission-control=NamespaceLifecycle,LimitRanger",
"--insecure-bind-address=127.0.0.1",
"--allow-privileged=true",
},
mutateFunc: func(argMap map[string]string) map[string]string {
@ -210,7 +193,6 @@ func TestReplaceArgument(t *testing.T) {
expectedArgs: []string{
"kube-apiserver",
"--admission-control=NamespaceLifecycle,LimitRanger",
"--insecure-bind-address=127.0.0.1",
"--allow-privileged=true",
"--new-arg-here=foo",
},
@ -238,7 +220,6 @@ func TestRoundtrip(t *testing.T) {
name: "normal case",
args: []string{
"--admission-control=NamespaceLifecycle,LimitRanger",
"--insecure-bind-address=127.0.0.1",
"--allow-privileged=true",
},
},
@ -246,7 +227,6 @@ func TestRoundtrip(t *testing.T) {
name: "test that feature-gates is working",
args: []string{
"--admission-control=NamespaceLifecycle,LimitRanger",
"--insecure-bind-address=127.0.0.1",
"--allow-privileged=true",
"--feature-gates=EnableFoo=true,EnableBar=false",
},

4
cmd/kubeadm/app/util/staticpod/utils_test.go
View File

@ -578,12 +578,10 @@ func TestGetExtraParameters(t *testing.T) {
},
defaults: map[string]string{
"admission-control": "NamespaceLifecycle",
"insecure-bind-address": "127.0.0.1",
"allow-privileged": "true",
},
expected: []string{
"--admission-control=NamespaceLifecycle,LimitRanger",
"--insecure-bind-address=127.0.0.1",
"--allow-privileged=true",
},
},
@ -593,12 +591,10 @@ func TestGetExtraParameters(t *testing.T) {
"admission-control": "NamespaceLifecycle,LimitRanger",
},
defaults: map[string]string{
"insecure-bind-address": "127.0.0.1",
"allow-privileged": "true",
},
expected: []string{
"--admission-control=NamespaceLifecycle,LimitRanger",
"--insecure-bind-address=127.0.0.1",
"--allow-privileged=true",
},
},