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Remove outdated network plugin code

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The code was added to support rktnetes and non-CRI docker integrations.
These legacy integrations have already been removed from the codebase.
This change removes the compatibility code existing soley for the
legacy integrations.
This commit is contained in:
Yu-Ju Hong
2018-04-06 12:15:26 -07:00
parent 99e77a76be
commit 37d30a0815
9 changed files with 111 additions and 426 deletions
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31
pkg/kubelet/network/plugins.go
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@@ -24,12 +24,10 @@ import (
"time"
"github.com/golang/glog"
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
utilerrors "k8s.io/apimachinery/pkg/util/errors"
utilsets "k8s.io/apimachinery/pkg/util/sets"
"k8s.io/apimachinery/pkg/util/validation"
clientset "k8s.io/client-go/kubernetes"
"k8s.io/kubernetes/pkg/kubelet/apis/kubeletconfig"
kubecontainer "k8s.io/kubernetes/pkg/kubelet/container"
"k8s.io/kubernetes/pkg/kubelet/network/hostport"
@@ -91,29 +89,6 @@ type PodNetworkStatus struct {
IP net.IP `json:"ip" description:"Primary IP address of the pod"`
}
// LegacyHost implements the methods required by network plugins that
// were directly invoked by the kubelet. Implementations of this interface
// that do not wish to support these features can simply return false
// to SupportsLegacyFeatures.
type LegacyHost interface {
// Get the pod structure by its name, namespace
// Only used for hostport management and bw shaping
GetPodByName(namespace, name string) (*v1.Pod, bool)
// GetKubeClient returns a client interface
// Only used in testing
GetKubeClient() clientset.Interface
// GetContainerRuntime returns the container runtime that implements the containers (e.g. docker/rkt)
// Only used for hostport management
GetRuntime() kubecontainer.Runtime
// SupportsLegacyFeatures returns true if the network host support GetPodByName, KubeClient interface and kubelet
// runtime interface. These interfaces will no longer be implemented by CRI shims.
// This function helps network plugins to choose their behavior based on runtime.
SupportsLegacyFeatures() bool
}
// Host is an interface that plugins can use to access the kubelet.
// TODO(#35457): get rid of this backchannel to the kubelet. The scope of
// the back channel is restricted to host-ports/testing, and restricted
@@ -126,12 +101,6 @@ type Host interface {
// PortMappingGetter is a getter for sandbox port mapping information.
PortMappingGetter
// LegacyHost contains methods that trap back into the Kubelet. Dependence
// *do not* add more dependencies in this interface. In a post-cri world,
// network plugins will be invoked by the runtime shim, and should only
// require GetNetNS and GetPodPortMappings.
LegacyHost
}
// NamespaceGetter is an interface to retrieve namespace information for a given