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Merge pull request #81458 from fabriziopandini/kubeadm-kustomize-ux

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kubeadm: kustomize-ux
This commit is contained in:
Kubernetes Prow Robot 2019-08-22 05:46:32 -07:00 committed by GitHub
commit d54c5163e0
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21 changed files with 109 additions and 55 deletions
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1
cmd/kubeadm/app/apis/kubeadm/validation/validation.go
View File

@ -462,6 +462,7 @@ func isAllowedFlag(flagName string) bool {
kubeadmcmdoptions.NodeCRISocket,
kubeadmcmdoptions.KubeconfigDir,
kubeadmcmdoptions.UploadCerts,
kubeadmcmdoptions.Kustomize,
"print-join-command", "rootfs", "v")
if knownFlags.Has(flagName) {
return true

9
cmd/kubeadm/app/cmd/init.go
View File

@ -99,6 +99,7 @@ type initOptions struct {
externalClusterCfg *kubeadmapiv1beta2.ClusterConfiguration
uploadCerts bool
skipCertificateKeyPrint bool
kustomizeDir string
}
// compile-time assert that the local data object satisfies the phases data interface.
@ -120,6 +121,7 @@ type initData struct {
outputWriter io.Writer
uploadCerts bool
skipCertificateKeyPrint bool
kustomizeDir string
}
// NewCmdInit returns "kubeadm init" command.
@ -272,6 +274,7 @@ func AddInitOtherFlags(flagSet *flag.FlagSet, initOptions *initOptions) {
&initOptions.skipCertificateKeyPrint, options.SkipCertificateKeyPrint, initOptions.skipCertificateKeyPrint,
"Don't print the key used to encrypt the control-plane certificates.",
)
options.AddKustomizePodsFlag(flagSet, &initOptions.kustomizeDir)
}
// newInitOptions returns a struct ready for being used for creating cmd init flags.
@ -404,6 +407,7 @@ func newInitData(cmd *cobra.Command, args []string, options *initOptions, out io
outputWriter: out,
uploadCerts: options.uploadCerts,
skipCertificateKeyPrint: options.skipCertificateKeyPrint,
kustomizeDir: options.kustomizeDir,
}, nil
}
@ -532,6 +536,11 @@ func (d *initData) Tokens() []string {
return tokens
}
// KustomizeDir returns the folder where kustomize patches for static pod manifest are stored
func (d *initData) KustomizeDir() string {
return d.kustomizeDir
}
func printJoinCommand(out io.Writer, adminKubeConfigPath, token string, i *initData) error {
joinControlPlaneCommand, err := cmdutil.GetJoinControlPlaneCommand(adminKubeConfigPath, token, i.CertificateKey(), i.skipTokenPrint, i.skipCertificateKeyPrint)
if err != nil {

9
cmd/kubeadm/app/cmd/join.go
View File

@ -128,6 +128,7 @@ type joinOptions struct {
controlPlane bool
ignorePreflightErrors []string
externalcfg *kubeadmapiv1beta2.JoinConfiguration
kustomizeDir string
}
// compile-time assert that the local data object satisfies the phases data interface.
@ -142,6 +143,7 @@ type joinData struct {
clientSet *clientset.Clientset
ignorePreflightErrors sets.String
outputWriter io.Writer
kustomizeDir string
}
// NewCmdJoin returns "kubeadm join" command.
@ -276,6 +278,7 @@ func addJoinOtherFlags(flagSet *flag.FlagSet, joinOptions *joinOptions) {
&joinOptions.controlPlane, options.ControlPlane, joinOptions.controlPlane,
"Create a new control plane instance on this node",
)
options.AddKustomizePodsFlag(flagSet, &joinOptions.kustomizeDir)
}
// newJoinOptions returns a struct ready for being used for creating cmd join flags.
@ -405,6 +408,7 @@ func newJoinData(cmd *cobra.Command, args []string, opt *joinOptions, out io.Wri
tlsBootstrapCfg: tlsBootstrapCfg,
ignorePreflightErrors: ignorePreflightErrorsSet,
outputWriter: out,
kustomizeDir: opt.kustomizeDir,
}, nil
}
@ -470,6 +474,11 @@ func (j *joinData) OutputWriter() io.Writer {
return j.outputWriter
}
// KustomizeDir returns the folder where kustomize patches for static pod manifest are stored
func (j *joinData) KustomizeDir() string {
return j.kustomizeDir
}
// fetchInitConfigurationFromJoinConfiguration retrieves the init configuration from a join configuration, performing the discovery
func fetchInitConfigurationFromJoinConfiguration(cfg *kubeadmapi.JoinConfiguration, tlsBootstrapCfg *clientcmdapi.Config) (*kubeadmapi.InitConfiguration, error) {
// Retrieves the kubeadm configuration

3
cmd/kubeadm/app/cmd/options/constant.go
View File

@ -142,4 +142,7 @@ const (
// EtcdUpgrade flag instruct kubeadm to execute etcd upgrade during upgrades
EtcdUpgrade = "etcd-upgrade"
// Kustomize flag sets the folder where kustomize patches for static pod manifest are stored
Kustomize = "experimental-kustomize"
)

5
cmd/kubeadm/app/cmd/options/generic.go
View File

@ -88,3 +88,8 @@ func AddKubeadmOtherFlags(flagSet *pflag.FlagSet, rootfsPath *string) {
"[EXPERIMENTAL] The path to the 'real' host root filesystem.",
)
}
// AddKustomizePodsFlag adds the --kustomize flag to the given flagset
func AddKustomizePodsFlag(fs *pflag.FlagSet, kustomizeDir *string) {
fs.StringVarP(kustomizeDir, Kustomize, "k", *kustomizeDir, "The path where kustomize patches for static pod manifests are stored.")
}

7
cmd/kubeadm/app/cmd/phases/init/controlplane.go
View File

@ -100,6 +100,7 @@ func getControlPlanePhaseFlags(name string) []string {
options.CertificatesDir,
options.KubernetesVersion,
options.ImageRepository,
options.Kustomize,
}
if name == "all" || name == kubeadmconstants.KubeAPIServer {
flags = append(flags,
@ -144,10 +145,6 @@ func runControlPlaneSubphase(component string) func(c workflow.RunData) error {
cfg := data.Cfg()
fmt.Printf("[control-plane] Creating static Pod manifest for %q\n", component)
// TODO: this should be replaced by a value from a flag in subsequent PR. see the POC https://github.com/kubernetes/kubernetes/pull/80580
kustomizeDir := ""
return controlplane.CreateStaticPodFiles(data.ManifestDir(), kustomizeDir, &cfg.ClusterConfiguration, &cfg.LocalAPIEndpoint, component)
return controlplane.CreateStaticPodFiles(data.ManifestDir(), data.KustomizeDir(), &cfg.ClusterConfiguration, &cfg.LocalAPIEndpoint, component)
}
}

1
cmd/kubeadm/app/cmd/phases/init/data.go
View File

@ -45,4 +45,5 @@ type InitData interface {
OutputWriter() io.Writer
Client() (clientset.Interface, error)
Tokens() []string
KustomizeDir() string
}

1
cmd/kubeadm/app/cmd/phases/init/data_test.go
View File

@ -48,3 +48,4 @@ func (t *testInitData) ExternalCA() bool { return false }
func (t *testInitData) OutputWriter() io.Writer { return nil }
func (t *testInitData) Client() (clientset.Interface, error) { return nil, nil }
func (t *testInitData) Tokens() []string { return nil }
func (t *testInitData) KustomizeDir() string { return "" }

7
cmd/kubeadm/app/cmd/phases/init/etcd.go
View File

@ -69,6 +69,7 @@ func getEtcdPhaseFlags() []string {
options.CertificatesDir,
options.CfgPath,
options.ImageRepository,
options.Kustomize,
}
return flags
}
@ -92,11 +93,7 @@ func runEtcdPhaseLocal() func(c workflow.RunData) error {
fmt.Printf("[dryrun] Would ensure that %q directory is present\n", cfg.Etcd.Local.DataDir)
}
fmt.Printf("[etcd] Creating static Pod manifest for local etcd in %q\n", data.ManifestDir())
// TODO: this should be replaced by a value from a flag in subsequent PR. see the POC https://github.com/kubernetes/kubernetes/pull/80580
kustomizeDir := ""
if err := etcdphase.CreateLocalEtcdStaticPodManifestFile(data.ManifestDir(), kustomizeDir, cfg.NodeRegistration.Name, &cfg.ClusterConfiguration, &cfg.LocalAPIEndpoint); err != nil {
if err := etcdphase.CreateLocalEtcdStaticPodManifestFile(data.ManifestDir(), data.KustomizeDir(), cfg.NodeRegistration.Name, &cfg.ClusterConfiguration, &cfg.LocalAPIEndpoint); err != nil {
return errors.Wrap(err, "error creating local etcd static pod manifest file")
}
} else {

5
cmd/kubeadm/app/cmd/phases/join/controlplanejoin.go
View File

@ -42,6 +42,9 @@ func getControlPlaneJoinPhaseFlags(name string) []string {
options.ControlPlane,
options.NodeName,
}
if name == "etcd" {
flags = append(flags, options.Kustomize)
}
if name != "mark-control-plane" {
flags = append(flags, options.APIServerAdvertiseAddress)
}
@ -137,7 +140,7 @@ func runEtcdPhase(c workflow.RunData) error {
// "If you add a new member to a 1-node cluster, the cluster cannot make progress before the new member starts
// because it needs two members as majority to agree on the consensus. You will only see this behavior between the time
// etcdctl member add informs the cluster about the new member and the new member successfully establishing a connection to the // existing one."
if err := etcdphase.CreateStackedEtcdStaticPodManifestFile(client, kubeadmconstants.GetStaticPodDirectory(), cfg.NodeRegistration.Name, &cfg.ClusterConfiguration, &cfg.LocalAPIEndpoint); err != nil {
if err := etcdphase.CreateStackedEtcdStaticPodManifestFile(client, kubeadmconstants.GetStaticPodDirectory(), data.KustomizeDir(), cfg.NodeRegistration.Name, &cfg.ClusterConfiguration, &cfg.LocalAPIEndpoint); err != nil {
return errors.Wrap(err, "error creating local etcd static pod manifest file")
}

8
cmd/kubeadm/app/cmd/phases/join/controlplaneprepare.go
View File

@ -78,6 +78,7 @@ func getControlPlanePreparePhaseFlags(name string) []string {
options.TLSBootstrapToken,
options.TokenStr,
options.CertificateKey,
options.Kustomize,
}
case "download-certs":
flags = []string{
@ -122,6 +123,7 @@ func getControlPlanePreparePhaseFlags(name string) []string {
options.APIServerBindPort,
options.CfgPath,
options.ControlPlane,
options.Kustomize,
}
default:
flags = []string{}
@ -183,15 +185,11 @@ func runControlPlanePrepareControlPlaneSubphase(c workflow.RunData) error {
}
fmt.Printf("[control-plane] Using manifest folder %q\n", kubeadmconstants.GetStaticPodDirectory())
// TODO: this should be replaced by a value from a flag in subsequent PR. see the POC https://github.com/kubernetes/kubernetes/pull/80580
kustomizeDir := ""
for _, component := range kubeadmconstants.ControlPlaneComponents {
fmt.Printf("[control-plane] Creating static Pod manifest for %q\n", component)
err := controlplane.CreateStaticPodFiles(
kubeadmconstants.GetStaticPodDirectory(),
kustomizeDir,
data.KustomizeDir(),
&cfg.ClusterConfiguration,
&cfg.LocalAPIEndpoint,
component,

1
cmd/kubeadm/app/cmd/phases/join/data.go
View File

@ -35,4 +35,5 @@ type JoinData interface {
ClientSet() (*clientset.Clientset, error)
IgnorePreflightErrors() sets.String
OutputWriter() io.Writer
KustomizeDir() string
}

1
cmd/kubeadm/app/cmd/phases/join/data_test.go
View File

@ -38,3 +38,4 @@ func (j *testJoinData) InitCfg() (*kubeadmapi.InitConfiguration, error) { return
func (j *testJoinData) ClientSet() (*clientset.Clientset, error) { return nil, nil }
func (j *testJoinData) IgnorePreflightErrors() sets.String { return nil }
func (j *testJoinData) OutputWriter() io.Writer { return nil }
func (j *testJoinData) KustomizeDir() string { return "" }

6
cmd/kubeadm/app/cmd/phases/upgrade/node/controlplane.go
View File

@ -39,6 +39,7 @@ func NewControlPlane() workflow.Phase {
options.KubeconfigPath,
options.CertificateRenewal,
options.EtcdUpgrade,
options.Kustomize,
},
}
return phase
@ -63,16 +64,17 @@ func runControlPlane() func(c workflow.RunData) error {
dryRun := data.DryRun()
etcdUpgrade := data.EtcdUpgrade()
renewCerts := data.RenewCerts()
kustomizeDir := data.KustomizeDir()
// Upgrade the control plane and etcd if installed on this node
fmt.Printf("[upgrade] Upgrading your Static Pod-hosted control plane instance to version %q...\n", cfg.KubernetesVersion)
if dryRun {
return upgrade.DryRunStaticPodUpgrade(cfg)
return upgrade.DryRunStaticPodUpgrade(kustomizeDir, cfg)
}
waiter := apiclient.NewKubeWaiter(data.Client(), upgrade.UpgradeManifestTimeout, os.Stdout)
if err := upgrade.PerformStaticPodUpgrade(client, waiter, cfg, etcdUpgrade, renewCerts); err != nil {
if err := upgrade.PerformStaticPodUpgrade(client, waiter, cfg, etcdUpgrade, renewCerts, kustomizeDir); err != nil {
return errors.Wrap(err, "couldn't complete the static pod upgrade")
}

1
cmd/kubeadm/app/cmd/phases/upgrade/node/data.go
View File

@ -31,4 +31,5 @@ type Data interface {
Cfg() *kubeadmapi.InitConfiguration
IsControlPlaneNode() bool
Client() clientset.Interface
KustomizeDir() string
}

6
cmd/kubeadm/app/cmd/upgrade/apply.go
View File

@ -51,6 +51,7 @@ type applyFlags struct {
renewCerts bool
criSocket string
imagePullTimeout time.Duration
kustomizeDir string
}
// sessionIsInteractive returns true if the session is of an interactive type (the default, can be opted out of with -y, -f or --dry-run)
@ -90,6 +91,7 @@ func NewCmdApply(apf *applyPlanFlags) *cobra.Command {
cmd.Flags().BoolVar(&flags.etcdUpgrade, "etcd-upgrade", flags.etcdUpgrade, "Perform the upgrade of etcd.")
cmd.Flags().BoolVar(&flags.renewCerts, "certificate-renewal", flags.renewCerts, "Perform the renewal of certificates used by component changed during upgrades.")
cmd.Flags().DurationVar(&flags.imagePullTimeout, "image-pull-timeout", flags.imagePullTimeout, "The maximum amount of time to wait for the control plane pods to be downloaded.")
options.AddKustomizePodsFlag(cmd.Flags(), &flags.kustomizeDir)
// The CRI socket flag is deprecated here, since it should be taken from the NodeRegistrationOptions for the current
// node instead of the command line. This prevents errors by the users (such as attempts to use wrong CRI during upgrade).
@ -226,9 +228,9 @@ func PerformControlPlaneUpgrade(flags *applyFlags, client clientset.Interface, w
fmt.Printf("[upgrade/apply] Upgrading your Static Pod-hosted control plane to version %q...\n", internalcfg.KubernetesVersion)
if flags.dryRun {
return upgrade.DryRunStaticPodUpgrade(internalcfg)
return upgrade.DryRunStaticPodUpgrade(flags.kustomizeDir, internalcfg)
}
// Don't save etcd backup directory if etcd is HA, as this could cause corruption
return upgrade.PerformStaticPodUpgrade(client, waiter, internalcfg, flags.etcdUpgrade, flags.renewCerts)
return upgrade.PerformStaticPodUpgrade(client, waiter, internalcfg, flags.etcdUpgrade, flags.renewCerts, flags.kustomizeDir)
}

9
cmd/kubeadm/app/cmd/upgrade/node.go
View File

@ -45,6 +45,7 @@ type nodeOptions struct {
etcdUpgrade bool
renewCerts bool
dryRun bool
kustomizeDir string
}
// compile-time assert that the local data object satisfies the phases data interface.
@ -60,6 +61,7 @@ type nodeData struct {
cfg *kubeadmapi.InitConfiguration
isControlPlaneNode bool
client clientset.Interface
kustomizeDir string
}
// NewCmdNode returns the cobra command for `kubeadm upgrade node`
@ -80,6 +82,7 @@ func NewCmdNode() *cobra.Command {
// adds flags to the node command
// flags could be eventually inherited by the sub-commands automatically generated for phases
addUpgradeNodeFlags(cmd.Flags(), nodeOptions)
options.AddKustomizePodsFlag(cmd.Flags(), &nodeOptions.kustomizeDir)
// initialize the workflow runner with the list of phases
nodeRunner.AppendPhase(phases.NewControlPlane())
@ -151,6 +154,7 @@ func newNodeData(cmd *cobra.Command, args []string, options *nodeOptions) (*node
cfg: cfg,
client: client,
isControlPlaneNode: isControlPlaneNode,
kustomizeDir: options.kustomizeDir,
}, nil
}
@ -189,6 +193,11 @@ func (d *nodeData) Client() clientset.Interface {
return d.client
}
// KustomizeDir returns the folder where kustomize patches for static pod manifest are stored
func (d *nodeData) KustomizeDir() string {
return d.kustomizeDir
}
// NewCmdUpgradeNodeConfig returns the cobra.Command for downloading the new/upgrading the kubelet configuration from the kubelet-config-1.X
// ConfigMap in the cluster
// TODO: to remove when 1.18 is released

17
cmd/kubeadm/app/phases/etcd/local.go
View File

@ -122,7 +122,7 @@ func RemoveStackedEtcdMemberFromCluster(client clientset.Interface, cfg *kubeadm
// CreateStackedEtcdStaticPodManifestFile will write local etcd static pod manifest file
// for an additional etcd member that is joining an existing local/stacked etcd cluster.
// Other members of the etcd cluster will be notified of the joining node in beforehand as well.
func CreateStackedEtcdStaticPodManifestFile(client clientset.Interface, manifestDir string, nodeName string, cfg *kubeadmapi.ClusterConfiguration, endpoint *kubeadmapi.APIEndpoint) error {
func CreateStackedEtcdStaticPodManifestFile(client clientset.Interface, manifestDir, kustomizeDir string, nodeName string, cfg *kubeadmapi.ClusterConfiguration, endpoint *kubeadmapi.APIEndpoint) error {
// creates an etcd client that connects to all the local/stacked etcd members
klog.V(1).Info("creating etcd client that connects to etcd pods")
etcdClient, err := etcdutil.NewFromCluster(client, cfg.CertificatesDir)
@ -141,16 +141,25 @@ func CreateStackedEtcdStaticPodManifestFile(client clientset.Interface, manifest
fmt.Println("[etcd] Announced new etcd member joining to the existing etcd cluster")
klog.V(1).Infof("Updated etcd member list: %v", initialCluster)
klog.V(1).Info("Creating local etcd static pod manifest file")
fmt.Printf("[etcd] Creating static Pod manifest for %q\n", kubeadmconstants.Etcd)
// gets etcd StaticPodSpec, actualized for the current InitConfiguration and the new list of etcd members
spec := GetEtcdPodSpec(cfg, endpoint, nodeName, initialCluster)
// if kustomizeDir is defined, customize the static pod manifest
if kustomizeDir != "" {
kustomizedSpec, err := staticpodutil.KustomizeStaticPod(&spec, kustomizeDir)
if err != nil {
return errors.Wrapf(err, "failed to kustomize static pod manifest file for %q", kubeadmconstants.Etcd)
}
spec = *kustomizedSpec
}
// writes etcd StaticPod to disk
if err := staticpodutil.WriteStaticPodToDisk(kubeadmconstants.Etcd, manifestDir, spec); err != nil {
return err
}
fmt.Printf("[etcd] Wrote Static Pod manifest for a local etcd member to %q\n", kubeadmconstants.GetStaticPodFilepath(kubeadmconstants.Etcd, manifestDir))
fmt.Printf("[etcd] Waiting for the new etcd member to join the cluster. This can take up to %v\n", etcdHealthyCheckInterval*etcdHealthyCheckRetries)
if _, err := etcdClient.WaitForClusterAvailable(etcdHealthyCheckRetries, etcdHealthyCheckInterval); err != nil {
return err

41
cmd/kubeadm/app/phases/upgrade/staticpods.go
View File

@ -52,6 +52,8 @@ type StaticPodPathManager interface {
MoveFile(oldPath, newPath string) error
// KubernetesDir is the directory Kubernetes owns for storing various configuration files
KubernetesDir() string
// KustomizeDir should point to the folder where kustomize patches for static pod manifest are stored
KustomizeDir() string
// RealManifestPath gets the file path for the component in the "real" static pod manifest directory used by the kubelet
RealManifestPath(component string) string
// RealManifestDir should point to the static pod manifest directory used by the kubelet
@ -73,6 +75,7 @@ type StaticPodPathManager interface {
// KubeStaticPodPathManager is a real implementation of StaticPodPathManager that is used when upgrading a static pod cluster
type KubeStaticPodPathManager struct {
kubernetesDir string
kustomizeDir string
realManifestDir string
tempManifestDir string
backupManifestDir string
@ -83,9 +86,10 @@ type KubeStaticPodPathManager struct {
}
// NewKubeStaticPodPathManager creates a new instance of KubeStaticPodPathManager
func NewKubeStaticPodPathManager(kubernetesDir, tempDir, backupDir, backupEtcdDir string, keepManifestDir, keepEtcdDir bool) StaticPodPathManager {
func NewKubeStaticPodPathManager(kubernetesDir, kustomizeDir, tempDir, backupDir, backupEtcdDir string, keepManifestDir, keepEtcdDir bool) StaticPodPathManager {
return &KubeStaticPodPathManager{
kubernetesDir: kubernetesDir,
kustomizeDir: kustomizeDir,
realManifestDir: filepath.Join(kubernetesDir, constants.ManifestsSubDirName),
tempManifestDir: tempDir,
backupManifestDir: backupDir,
@ -96,7 +100,7 @@ func NewKubeStaticPodPathManager(kubernetesDir, tempDir, backupDir, backupEtcdDi
}
// NewKubeStaticPodPathManagerUsingTempDirs creates a new instance of KubeStaticPodPathManager with temporary directories backing it
func NewKubeStaticPodPathManagerUsingTempDirs(kubernetesDir string, saveManifestsDir, saveEtcdDir bool) (StaticPodPathManager, error) {
func NewKubeStaticPodPathManagerUsingTempDirs(kubernetesDir, kustomizeDir string, saveManifestsDir, saveEtcdDir bool) (StaticPodPathManager, error) {
upgradedManifestsDir, err := constants.CreateTempDirForKubeadm(kubernetesDir, "kubeadm-upgraded-manifests")
if err != nil {
@ -111,7 +115,7 @@ func NewKubeStaticPodPathManagerUsingTempDirs(kubernetesDir string, saveManifest
return nil, err
}
return NewKubeStaticPodPathManager(kubernetesDir, upgradedManifestsDir, backupManifestsDir, backupEtcdDir, saveManifestsDir, saveEtcdDir), nil
return NewKubeStaticPodPathManager(kubernetesDir, kustomizeDir, upgradedManifestsDir, backupManifestsDir, backupEtcdDir, saveManifestsDir, saveEtcdDir), nil
}
// MoveFile should move a file from oldPath to newPath
@ -124,6 +128,11 @@ func (spm *KubeStaticPodPathManager) KubernetesDir() string {
return spm.kubernetesDir
}
// KustomizeDir should point to the folder where kustomize patches for static pod manifest are stored
func (spm *KubeStaticPodPathManager) KustomizeDir() string {
return spm.kustomizeDir
}
// RealManifestPath gets the file path for the component in the "real" static pod manifest directory used by the kubelet
func (spm *KubeStaticPodPathManager) RealManifestPath(component string) string {
return constants.GetStaticPodFilepath(component, spm.realManifestDir)
@ -309,11 +318,7 @@ func performEtcdStaticPodUpgrade(certsRenewMgr *renewal.Manager, client clientse
// Write the updated etcd static Pod manifest into the temporary directory, at this point no etcd change
// has occurred in any aspects.
// TODO: this should be replaced by a value from a flag in subsequent PR. see the POC https://github.com/kubernetes/kubernetes/pull/80580
kustomizeDir := ""
if err := etcdphase.CreateLocalEtcdStaticPodManifestFile(pathMgr.TempManifestDir(), kustomizeDir, cfg.NodeRegistration.Name, &cfg.ClusterConfiguration, &cfg.LocalAPIEndpoint); err != nil {
if err := etcdphase.CreateLocalEtcdStaticPodManifestFile(pathMgr.TempManifestDir(), pathMgr.KustomizeDir(), cfg.NodeRegistration.Name, &cfg.ClusterConfiguration, &cfg.LocalAPIEndpoint); err != nil {
return true, errors.Wrap(err, "error creating local etcd static pod manifest file")
}
@ -459,11 +464,7 @@ func StaticPodControlPlane(client clientset.Interface, waiter apiclient.Waiter,
// Write the updated static Pod manifests into the temporary directory
fmt.Printf("[upgrade/staticpods] Writing new Static Pod manifests to %q\n", pathMgr.TempManifestDir())
// TODO: this should be replaced by a value from a flag in subsequent PR. see the POC https://github.com/kubernetes/kubernetes/pull/80580
kustomizeDir := ""
err = controlplanephase.CreateInitStaticPodManifestFiles(pathMgr.TempManifestDir(), kustomizeDir, cfg)
err = controlplanephase.CreateInitStaticPodManifestFiles(pathMgr.TempManifestDir(), pathMgr.KustomizeDir(), cfg)
if err != nil {
return errors.Wrap(err, "error creating init static pod manifest files")
}
@ -590,14 +591,14 @@ func renewCertsByComponent(cfg *kubeadmapi.InitConfiguration, component string,
}
// GetPathManagerForUpgrade returns a path manager properly configured for the given InitConfiguration.
func GetPathManagerForUpgrade(kubernetesDir string, internalcfg *kubeadmapi.InitConfiguration, etcdUpgrade bool) (StaticPodPathManager, error) {
func GetPathManagerForUpgrade(kubernetesDir, kustomizeDir string, internalcfg *kubeadmapi.InitConfiguration, etcdUpgrade bool) (StaticPodPathManager, error) {
isHAEtcd := etcdutil.CheckConfigurationIsHA(&internalcfg.Etcd)
return NewKubeStaticPodPathManagerUsingTempDirs(kubernetesDir, true, etcdUpgrade && !isHAEtcd)
return NewKubeStaticPodPathManagerUsingTempDirs(kubernetesDir, kustomizeDir, true, etcdUpgrade && !isHAEtcd)
}
// PerformStaticPodUpgrade performs the upgrade of the control plane components for a static pod hosted cluster
func PerformStaticPodUpgrade(client clientset.Interface, waiter apiclient.Waiter, internalcfg *kubeadmapi.InitConfiguration, etcdUpgrade, renewCerts bool) error {
pathManager, err := GetPathManagerForUpgrade(constants.KubernetesDir, internalcfg, etcdUpgrade)
func PerformStaticPodUpgrade(client clientset.Interface, waiter apiclient.Waiter, internalcfg *kubeadmapi.InitConfiguration, etcdUpgrade, renewCerts bool, kustomizeDir string) error {
pathManager, err := GetPathManagerForUpgrade(constants.KubernetesDir, kustomizeDir, internalcfg, etcdUpgrade)
if err != nil {
return err
}
@ -607,17 +608,13 @@ func PerformStaticPodUpgrade(client clientset.Interface, waiter apiclient.Waiter
}
// DryRunStaticPodUpgrade fakes an upgrade of the control plane
func DryRunStaticPodUpgrade(internalcfg *kubeadmapi.InitConfiguration) error {
func DryRunStaticPodUpgrade(kustomizeDir string, internalcfg *kubeadmapi.InitConfiguration) error {
dryRunManifestDir, err := constants.CreateTempDirForKubeadm("", "kubeadm-upgrade-dryrun")
if err != nil {
return err
}
defer os.RemoveAll(dryRunManifestDir)
// TODO: this should be replaced by a value from a flag in subsequent PR. see the POC https://github.com/kubernetes/kubernetes/pull/80580
kustomizeDir := ""
if err := controlplane.CreateInitStaticPodManifestFiles(dryRunManifestDir, kustomizeDir, internalcfg); err != nil {
return err
}

18
cmd/kubeadm/app/phases/upgrade/staticpods_test.go
View File

@ -145,6 +145,7 @@ func (w *fakeWaiter) WaitForKubeletAndFunc(f func() error) error {
type fakeStaticPodPathManager struct {
kubernetesDir string
kustomizeDir string
realManifestDir string
tempManifestDir string
backupManifestDir string
@ -178,8 +179,11 @@ func NewFakeStaticPodPathManager(moveFileFunc func(string, string) error) (Stati
return nil, err
}
kustomizeDir := ""
return &fakeStaticPodPathManager{
kubernetesDir: kubernetesDir,
kustomizeDir: kustomizeDir,
realManifestDir: realManifestDir,
tempManifestDir: upgradedManifestDir,
backupManifestDir: backupManifestDir,
@ -196,6 +200,10 @@ func (spm *fakeStaticPodPathManager) KubernetesDir() string {
return spm.kubernetesDir
}
func (spm *fakeStaticPodPathManager) KustomizeDir() string {
return spm.kustomizeDir
}
func (spm *fakeStaticPodPathManager) RealManifestPath(component string) string {
return constants.GetStaticPodFilepath(component, spm.realManifestDir)
}
@ -496,8 +504,6 @@ func TestStaticPodControlPlane(t *testing.T) {
t.Fatalf("couldn't get create cert tree: %v", err)
}
t.Logf("Wrote certs to %s\n", oldcfg.CertificatesDir)
for _, kubeConfig := range []string{
kubeadmconstants.AdminKubeConfigFileName,
kubeadmconstants.SchedulerKubeConfigFileName,
@ -512,11 +518,11 @@ func TestStaticPodControlPlane(t *testing.T) {
}
// Initialize the directory with v1.7 manifests; should then be upgraded to v1.8 using the method
err = controlplanephase.CreateInitStaticPodManifestFiles(pathMgr.RealManifestDir(), "", oldcfg)
err = controlplanephase.CreateInitStaticPodManifestFiles(pathMgr.RealManifestDir(), pathMgr.KustomizeDir(), oldcfg)
if err != nil {
t.Fatalf("couldn't run CreateInitStaticPodManifestFiles: %v", err)
}
err = etcdphase.CreateLocalEtcdStaticPodManifestFile(pathMgr.RealManifestDir(), "", oldcfg.NodeRegistration.Name, &oldcfg.ClusterConfiguration, &oldcfg.LocalAPIEndpoint)
err = etcdphase.CreateLocalEtcdStaticPodManifestFile(pathMgr.RealManifestDir(), pathMgr.KustomizeDir(), oldcfg.NodeRegistration.Name, &oldcfg.ClusterConfiguration, &oldcfg.LocalAPIEndpoint)
if err != nil {
t.Fatalf("couldn't run CreateLocalEtcdStaticPodManifestFile: %v", err)
}
@ -652,7 +658,7 @@ func TestCleanupDirs(t *testing.T) {
backupEtcdDir, cleanup := getTempDir(t, "backupEtcdDir")
defer cleanup()
mgr := NewKubeStaticPodPathManager(realKubernetesDir, tempManifestDir, backupManifestDir, backupEtcdDir, test.keepManifest, test.keepEtcd)
mgr := NewKubeStaticPodPathManager(realKubernetesDir, "", tempManifestDir, backupManifestDir, backupEtcdDir, test.keepManifest, test.keepEtcd)
err := mgr.CleanupDirs()
if err != nil {
t.Errorf("unexpected error cleaning up: %v", err)
@ -961,7 +967,7 @@ func TestGetPathManagerForUpgrade(t *testing.T) {
os.RemoveAll(tmpdir)
}()
pathmgr, err := GetPathManagerForUpgrade(tmpdir, test.cfg, test.etcdUpgrade)
pathmgr, err := GetPathManagerForUpgrade(tmpdir, "", test.cfg, test.etcdUpgrade)
if err != nil {
t.Fatalf("unexpected error creating path manager: %v", err)
}

8
cmd/kubeadm/app/util/kustomize/kustomize.go
View File

@ -121,10 +121,12 @@ func (km *Manager) Kustomize(res []byte) ([]byte, error) {
resources = append(resources, r)
resourcePatches := km.us.FilterResource(r.GroupVersionKind(), r.GetNamespace(), r.GetName())
patches = append(patches, resourcePatches...)
}
fmt.Printf("[kustomize] Applying %d patches\n", len(patches))
if len(resourcePatches) > 0 {
fmt.Printf("[kustomize] Applying %d patches to %s Resource=%s/%s\n", len(resourcePatches), r.GroupVersionKind(), r.GetNamespace(), r.GetName())
patches = append(patches, resourcePatches...)
}
}
// if there are no patches, for the target resources, exit
if len(patches) == 0 {