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Separate feature gates for dynamic kubelet config vs loading from a file

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This commit is contained in:
Michael Taufen
2017-08-25 14:48:16 -07:00
parent 6f4a15f922
commit 0e25cbd6a0
7 changed files with 27 additions and 31 deletions
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17
cmd/kubelet/app/server.go
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@@ -44,6 +44,7 @@ import (
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/apiserver/pkg/server/healthz"
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/apiserver/pkg/util/flag"
clientgoclientset "k8s.io/client-go/kubernetes"
clientset "k8s.io/client-go/kubernetes"
v1core "k8s.io/client-go/kubernetes/typed/core/v1"
@@ -766,29 +767,29 @@ func parseResourceList(m kubeletconfiginternal.ConfigurationMap) (v1.ResourceLis
}
// BootstrapKubeletConfigController constructs and bootstrap a configuration controller
func BootstrapKubeletConfigController(
flags *options.KubeletFlags,
defaultConfig *kubeletconfiginternal.KubeletConfiguration) (*kubeletconfiginternal.KubeletConfiguration, *kubeletconfig.Controller, error) {
func BootstrapKubeletConfigController(defaultConfig *kubeletconfiginternal.KubeletConfiguration,
initConfigDirFlag flag.StringFlag,
dynamicConfigDirFlag flag.StringFlag) (*kubeletconfiginternal.KubeletConfiguration, *kubeletconfig.Controller, error) {
var err error
// Alpha Dynamic Configuration Implementation; this section only loads config from disk, it does not contact the API server
// compute absolute paths based on current working dir
initConfigDir := ""
if flags.InitConfigDir.Provided() {
initConfigDir, err = filepath.Abs(flags.InitConfigDir.Value())
if utilfeature.DefaultFeatureGate.Enabled(features.KubeletConfigFile) && initConfigDirFlag.Provided() {
initConfigDir, err = filepath.Abs(initConfigDirFlag.Value())
if err != nil {
return nil, nil, fmt.Errorf("failed to get absolute path for --init-config-dir")
}
}
dynamicConfigDir := ""
if flags.DynamicConfigDir.Provided() {
dynamicConfigDir, err = filepath.Abs(flags.DynamicConfigDir.Value())
if utilfeature.DefaultFeatureGate.Enabled(features.DynamicKubeletConfig) && dynamicConfigDirFlag.Provided() {
dynamicConfigDir, err = filepath.Abs(dynamicConfigDirFlag.Value())
if err != nil {
return nil, nil, fmt.Errorf("failed to get absolute path for --dynamic-config-dir")
}
}
// get the latest KubeletConfiguration checkpoint from disk, or load the init or default config if no valid checkpoints exist
kubeletConfigController, err := kubeletconfig.NewController(initConfigDir, dynamicConfigDir, defaultConfig)
kubeletConfigController, err := kubeletconfig.NewController(defaultConfig, initConfigDir, dynamicConfigDir)
if err != nil {
return nil, nil, fmt.Errorf("failed to construct controller, error: %v", err)
}