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add warnings for docker-only flags

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This commit is contained in:
Di Xu
2018-04-24 11:25:15 +08:00
parent de6544b0fa
commit b47ab8b2d3
1 changed files with 12 additions and 8 deletions
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20
pkg/kubelet/config/flags.go
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@@ -17,6 +17,8 @@ limitations under the License.
package config
import (
"fmt"
"github.com/spf13/pflag"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
@@ -70,6 +72,8 @@ type ContainerRuntimeOptions struct {
}
func (s *ContainerRuntimeOptions) AddFlags(fs *pflag.FlagSet) {
dockerOnlyWarning := "This docker-specific flag only works when container-runtime is set to docker."
// General settings.
fs.StringVar(&s.ContainerRuntime, "container-runtime", s.ContainerRuntime, "The container runtime to use. Possible values: 'docker', 'remote', 'rkt (deprecated)'.")
fs.StringVar(&s.RuntimeCgroups, "runtime-cgroups", s.RuntimeCgroups, "Optional absolute name of cgroups to create and run the runtime in.")
@@ -79,15 +83,15 @@ func (s *ContainerRuntimeOptions) AddFlags(fs *pflag.FlagSet) {
fs.MarkHidden("experimental-dockershim")
fs.StringVar(&s.DockershimRootDirectory, "experimental-dockershim-root-directory", s.DockershimRootDirectory, "Path to the dockershim root directory.")
fs.MarkHidden("experimental-dockershim-root-directory")
fs.BoolVar(&s.DockerDisableSharedPID, "docker-disable-shared-pid", s.DockerDisableSharedPID, "Setting this to false causes Kubernetes to create pods using a shared process namespace for containers in a pod when running with Docker 1.13.1 or higher. A future Kubernetes release will make this configurable instead in the API.")
fs.BoolVar(&s.DockerDisableSharedPID, "docker-disable-shared-pid", s.DockerDisableSharedPID, fmt.Sprintf("Setting this to false causes Kubernetes to create pods using a shared process namespace for containers in a pod when running with Docker 1.13.1 or higher. A future Kubernetes release will make this configurable instead in the API. %s", dockerOnlyWarning))
fs.MarkDeprecated("docker-disable-shared-pid", "will be removed in a future release. This option will be replaced by PID namespace sharing that is configurable per-pod using the API. See https://features.k8s.io/495")
fs.StringVar(&s.PodSandboxImage, "pod-infra-container-image", s.PodSandboxImage, "The image whose network/ipc namespaces containers in each pod will use.")
fs.StringVar(&s.DockerEndpoint, "docker-endpoint", s.DockerEndpoint, "Use this for the docker endpoint to communicate with")
fs.DurationVar(&s.ImagePullProgressDeadline.Duration, "image-pull-progress-deadline", s.ImagePullProgressDeadline.Duration, "If no pulling progress is made before this deadline, the image pulling will be cancelled.")
fs.StringVar(&s.PodSandboxImage, "pod-infra-container-image", s.PodSandboxImage, fmt.Sprintf("The image whose network/ipc namespaces containers in each pod will use. %s", dockerOnlyWarning))
fs.StringVar(&s.DockerEndpoint, "docker-endpoint", s.DockerEndpoint, fmt.Sprintf("Use this for the docker endpoint to communicate with %s", dockerOnlyWarning))
fs.DurationVar(&s.ImagePullProgressDeadline.Duration, "image-pull-progress-deadline", s.ImagePullProgressDeadline.Duration, fmt.Sprintf("If no pulling progress is made before this deadline, the image pulling will be cancelled. %s", dockerOnlyWarning))
// Network plugin settings for Docker.
fs.StringVar(&s.NetworkPluginName, "network-plugin", s.NetworkPluginName, "<Warning: Alpha feature> The name of the network plugin to be invoked for various events in kubelet/pod lifecycle")
fs.StringVar(&s.CNIConfDir, "cni-conf-dir", s.CNIConfDir, "<Warning: Alpha feature> The full path of the directory in which to search for CNI config files. Default: /etc/cni/net.d")
fs.StringVar(&s.CNIBinDir, "cni-bin-dir", s.CNIBinDir, "<Warning: Alpha feature> A comma-separated list of full paths of directories in which to search for CNI plugin binaries. Default: /opt/cni/bin")
fs.Int32Var(&s.NetworkPluginMTU, "network-plugin-mtu", s.NetworkPluginMTU, "<Warning: Alpha feature> The MTU to be passed to the network plugin, to override the default. Set to 0 to use the default 1460 MTU.")
fs.StringVar(&s.NetworkPluginName, "network-plugin", s.NetworkPluginName, fmt.Sprintf("<Warning: Alpha feature> The name of the network plugin to be invoked for various events in kubelet/pod lifecycle. %s", dockerOnlyWarning))
fs.StringVar(&s.CNIConfDir, "cni-conf-dir", s.CNIConfDir, fmt.Sprintf("<Warning: Alpha feature> The full path of the directory in which to search for CNI config files. Default: /etc/cni/net.d. %s", dockerOnlyWarning))
fs.StringVar(&s.CNIBinDir, "cni-bin-dir", s.CNIBinDir, fmt.Sprintf("<Warning: Alpha feature> A comma-separated list of full paths of directories in which to search for CNI plugin binaries. Default: /opt/cni/bin. %s", dockerOnlyWarning))
fs.Int32Var(&s.NetworkPluginMTU, "network-plugin-mtu", s.NetworkPluginMTU, fmt.Sprintf("<Warning: Alpha feature> The MTU to be passed to the network plugin, to override the default. Set to 0 to use the default 1460 MTU. %s", dockerOnlyWarning))
}