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Merge pull request #106859 from knight42/refactor/remove-apiserver-insecure-port
refactor(apiserver): remove the insecure flags
This commit is contained in:
Kubernetes Prow Robot
GitHub
commit
8cc7d14588
@ -67,7 +67,6 @@ function start-kube-apiserver {
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# Calculate variables and assemble the command line.
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local params="${API_SERVER_TEST_LOG_LEVEL:-"--v=2"} ${APISERVER_TEST_ARGS:-} ${CLOUD_CONFIG_OPT}"
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params+=" --address=127.0.0.1"
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params+=" --allow-privileged=true"
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params+=" --cloud-provider=gce"
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params+=" --client-ca-file=${CA_CERT_BUNDLE_PATH}"
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@ -76,10 +75,6 @@ function start-kube-apiserver {
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configure-etcd-params params
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params+=" --secure-port=443"
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if [[ "${ENABLE_APISERVER_INSECURE_PORT:-false}" != "true" ]]; then
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# Default is :8080
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params+=" --insecure-port=0"
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fi
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params+=" --tls-cert-file=${APISERVER_SERVER_CERT_PATH}"
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params+=" --tls-private-key-file=${APISERVER_SERVER_KEY_PATH}"
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if [[ -n "${OLD_MASTER_IP:-}" ]]; then
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@ -22,7 +22,6 @@ import (
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"strings"
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"time"
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"github.com/spf13/pflag"
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utilnet "k8s.io/apimachinery/pkg/util/net"
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genericoptions "k8s.io/apiserver/pkg/server/options"
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"k8s.io/apiserver/pkg/storage/storagebackend"
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@ -39,10 +38,6 @@ import (
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"k8s.io/kubernetes/pkg/serviceaccount"
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)
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// InsecurePortFlags are dummy flags, they are kept only for compatibility and will be removed in v1.24.
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// TODO: remove these flags in v1.24.
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var InsecurePortFlags = []string{"insecure-port", "port"}
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// ServerRunOptions runs a kubernetes api server.
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type ServerRunOptions struct {
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GenericServerRunOptions *genericoptions.ServerRunOptions
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@ -145,33 +140,12 @@ func NewServerRunOptions() *ServerRunOptions {
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return &s
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}
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// TODO: remove these insecure flags in v1.24
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func addDummyInsecureFlags(fs *pflag.FlagSet) {
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var (
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bindAddr = net.IPv4(127, 0, 0, 1)
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bindPort int
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)
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for _, name := range []string{"insecure-bind-address", "address"} {
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fs.IPVar(&bindAddr, name, bindAddr, ""+
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"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).")
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fs.MarkDeprecated(name, "This flag has no effect now and will be removed in v1.24.")
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}
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for _, name := range InsecurePortFlags {
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fs.IntVar(&bindPort, name, bindPort, ""+
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"The port on which to serve unsecured, unauthenticated access.")
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fs.MarkDeprecated(name, "This flag has no effect now and will be removed in v1.24.")
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}
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}
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// Flags returns flags for a specific APIServer by section name
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func (s *ServerRunOptions) Flags() (fss cliflag.NamedFlagSets) {
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// Add the generic flags.
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s.GenericServerRunOptions.AddUniversalFlags(fss.FlagSet("generic"))
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s.Etcd.AddFlags(fss.FlagSet("etcd"))
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s.SecureServing.AddFlags(fss.FlagSet("secure serving"))
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addDummyInsecureFlags(fss.FlagSet("insecure serving"))
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s.Audit.AddFlags(fss.FlagSet("auditing"))
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s.Features.AddFlags(fss.FlagSet("features"))
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s.Authentication.AddFlags(fss.FlagSet("authentication"))
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@ -30,7 +30,6 @@ import (
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"time"
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"github.com/spf13/cobra"
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"github.com/spf13/pflag"
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extensionsapiserver "k8s.io/apiextensions-apiserver/pkg/apiserver"
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utilerrors "k8s.io/apimachinery/pkg/util/errors"
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@ -81,20 +80,6 @@ import (
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"k8s.io/kubernetes/pkg/serviceaccount"
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)
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// TODO: delete this check after insecure flags removed in v1.24
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func checkNonZeroInsecurePort(fs *pflag.FlagSet) error {
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for _, name := range options.InsecurePortFlags {
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val, err := fs.GetInt(name)
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if err != nil {
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return err
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}
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if val != 0 {
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return fmt.Errorf("invalid port value %d: only zero is allowed", val)
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}
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}
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return nil
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}
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// NewAPIServerCommand creates a *cobra.Command object with default parameters
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func NewAPIServerCommand() *cobra.Command {
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s := options.NewServerRunOptions()
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@ -124,10 +109,6 @@ cluster's shared state through which all other components interact.`,
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}
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cliflag.PrintFlags(fs)
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err := checkNonZeroInsecurePort(fs)
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if err != nil {
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return err
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}
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// set default options
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completedOptions, err := Complete(s)
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if err != nil {
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@ -32,9 +32,8 @@ func TestBuildArgumentListFromMap(t *testing.T) {
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{
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name: "override an argument from the base",
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base: map[string]string{
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"admission-control": "NamespaceLifecycle",
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"insecure-bind-address": "127.0.0.1",
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"allow-privileged": "true",
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"admission-control": "NamespaceLifecycle",
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"allow-privileged": "true",
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},
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overrides: map[string]string{
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"admission-control": "NamespaceLifecycle,LimitRanger",
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@ -42,14 +41,12 @@ func TestBuildArgumentListFromMap(t *testing.T) {
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expected: []string{
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"--admission-control=NamespaceLifecycle,LimitRanger",
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"--allow-privileged=true",
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"--insecure-bind-address=127.0.0.1",
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},
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},
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{
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name: "add an argument that is not in base",
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base: map[string]string{
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"insecure-bind-address": "127.0.0.1",
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"allow-privileged": "true",
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"allow-privileged": "true",
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},
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overrides: map[string]string{
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"admission-control": "NamespaceLifecycle,LimitRanger",
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@ -57,13 +54,11 @@ func TestBuildArgumentListFromMap(t *testing.T) {
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expected: []string{
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"--admission-control=NamespaceLifecycle,LimitRanger",
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"--allow-privileged=true",
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"--insecure-bind-address=127.0.0.1",
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},
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},
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{
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name: "allow empty strings in base",
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base: map[string]string{
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"insecure-bind-address": "127.0.0.1",
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"allow-privileged": "true",
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"something-that-allows-empty-string": "",
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},
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@ -73,14 +68,12 @@ func TestBuildArgumentListFromMap(t *testing.T) {
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expected: []string{
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"--admission-control=NamespaceLifecycle,LimitRanger",
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"--allow-privileged=true",
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"--insecure-bind-address=127.0.0.1",
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"--something-that-allows-empty-string=",
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},
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},
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{
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name: "allow empty strings in overrides",
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base: map[string]string{
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"insecure-bind-address": "127.0.0.1",
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"allow-privileged": "true",
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"something-that-allows-empty-string": "foo",
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},
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@ -91,7 +84,6 @@ func TestBuildArgumentListFromMap(t *testing.T) {
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expected: []string{
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"--admission-control=NamespaceLifecycle,LimitRanger",
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"--allow-privileged=true",
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"--insecure-bind-address=127.0.0.1",
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"--something-that-allows-empty-string=",
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},
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},
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@ -117,28 +109,24 @@ func TestParseArgumentListToMap(t *testing.T) {
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name: "normal case",
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args: []string{
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"--admission-control=NamespaceLifecycle,LimitRanger",
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"--insecure-bind-address=127.0.0.1",
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"--allow-privileged=true",
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},
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expectedMap: map[string]string{
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"admission-control": "NamespaceLifecycle,LimitRanger",
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"insecure-bind-address": "127.0.0.1",
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"allow-privileged": "true",
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"admission-control": "NamespaceLifecycle,LimitRanger",
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"allow-privileged": "true",
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},
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},
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{
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name: "test that feature-gates is working",
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args: []string{
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"--admission-control=NamespaceLifecycle,LimitRanger",
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"--insecure-bind-address=127.0.0.1",
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"--allow-privileged=true",
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"--feature-gates=EnableFoo=true,EnableBar=false",
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},
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expectedMap: map[string]string{
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"admission-control": "NamespaceLifecycle,LimitRanger",
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"insecure-bind-address": "127.0.0.1",
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"allow-privileged": "true",
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"feature-gates": "EnableFoo=true,EnableBar=false",
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"admission-control": "NamespaceLifecycle,LimitRanger",
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"allow-privileged": "true",
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"feature-gates": "EnableFoo=true,EnableBar=false",
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},
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},
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{
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@ -146,15 +134,13 @@ func TestParseArgumentListToMap(t *testing.T) {
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args: []string{
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"kube-apiserver",
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"--admission-control=NamespaceLifecycle,LimitRanger",
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"--insecure-bind-address=127.0.0.1",
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"--allow-privileged=true",
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"--feature-gates=EnableFoo=true,EnableBar=false",
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},
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expectedMap: map[string]string{
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"admission-control": "NamespaceLifecycle,LimitRanger",
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"insecure-bind-address": "127.0.0.1",
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"allow-privileged": "true",
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"feature-gates": "EnableFoo=true,EnableBar=false",
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"admission-control": "NamespaceLifecycle,LimitRanger",
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"allow-privileged": "true",
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"feature-gates": "EnableFoo=true,EnableBar=false",
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},
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},
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}
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@ -181,7 +167,6 @@ func TestReplaceArgument(t *testing.T) {
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args: []string{
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"kube-apiserver",
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"--admission-control=NamespaceLifecycle,LimitRanger",
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"--insecure-bind-address=127.0.0.1",
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"--allow-privileged=true",
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},
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mutateFunc: func(argMap map[string]string) map[string]string {
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@ -191,7 +176,6 @@ func TestReplaceArgument(t *testing.T) {
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expectedArgs: []string{
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"kube-apiserver",
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"--admission-control=NamespaceLifecycle,LimitRanger,ResourceQuota",
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"--insecure-bind-address=127.0.0.1",
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"--allow-privileged=true",
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},
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},
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@ -200,7 +184,6 @@ func TestReplaceArgument(t *testing.T) {
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args: []string{
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"kube-apiserver",
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"--admission-control=NamespaceLifecycle,LimitRanger",
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"--insecure-bind-address=127.0.0.1",
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"--allow-privileged=true",
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},
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mutateFunc: func(argMap map[string]string) map[string]string {
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@ -210,7 +193,6 @@ func TestReplaceArgument(t *testing.T) {
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expectedArgs: []string{
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"kube-apiserver",
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"--admission-control=NamespaceLifecycle,LimitRanger",
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"--insecure-bind-address=127.0.0.1",
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"--allow-privileged=true",
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"--new-arg-here=foo",
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},
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@ -238,7 +220,6 @@ func TestRoundtrip(t *testing.T) {
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name: "normal case",
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args: []string{
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"--admission-control=NamespaceLifecycle,LimitRanger",
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"--insecure-bind-address=127.0.0.1",
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"--allow-privileged=true",
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},
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},
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@ -246,7 +227,6 @@ func TestRoundtrip(t *testing.T) {
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name: "test that feature-gates is working",
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args: []string{
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"--admission-control=NamespaceLifecycle,LimitRanger",
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"--insecure-bind-address=127.0.0.1",
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"--allow-privileged=true",
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"--feature-gates=EnableFoo=true,EnableBar=false",
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},
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@ -577,13 +577,11 @@ func TestGetExtraParameters(t *testing.T) {
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"admission-control": "NamespaceLifecycle,LimitRanger",
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},
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defaults: map[string]string{
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"admission-control": "NamespaceLifecycle",
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"insecure-bind-address": "127.0.0.1",
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"allow-privileged": "true",
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"admission-control": "NamespaceLifecycle",
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"allow-privileged": "true",
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},
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expected: []string{
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"--admission-control=NamespaceLifecycle,LimitRanger",
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"--insecure-bind-address=127.0.0.1",
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"--allow-privileged=true",
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},
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},
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@ -593,12 +591,10 @@ func TestGetExtraParameters(t *testing.T) {
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"admission-control": "NamespaceLifecycle,LimitRanger",
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},
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defaults: map[string]string{
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"insecure-bind-address": "127.0.0.1",
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"allow-privileged": "true",
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"allow-privileged": "true",
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},
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expected: []string{
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"--admission-control=NamespaceLifecycle,LimitRanger",
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"--insecure-bind-address=127.0.0.1",
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"--allow-privileged=true",
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},
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},
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