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34c8f51dcb
We can remove all uses of `dockershim` from `cmd/kubelet`, by just passing the docker options to the kubelet in their pure form, instead of using them to create a `dockerClientConfig` (which is defined in dockershim). We can then construct the `dockerClientConfig` only when we actually need it.
84 lines
2.9 KiB
Go
84 lines
2.9 KiB
Go
// +build !dockerless
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/*
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Copyright 2020 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package kubelet
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import (
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"k8s.io/klog"
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kubeletconfiginternal "k8s.io/kubernetes/pkg/kubelet/apis/config"
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"k8s.io/kubernetes/pkg/kubelet/config"
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"k8s.io/kubernetes/pkg/kubelet/dockershim"
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dockerremote "k8s.io/kubernetes/pkg/kubelet/dockershim/remote"
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)
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func runDockershim(kubeCfg *kubeletconfiginternal.KubeletConfiguration,
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kubeDeps *Dependencies,
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crOptions *config.ContainerRuntimeOptions,
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runtimeCgroups string,
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remoteRuntimeEndpoint string,
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remoteImageEndpoint string,
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nonMasqueradeCIDR string) error {
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pluginSettings := dockershim.NetworkPluginSettings{
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HairpinMode: kubeletconfiginternal.HairpinMode(kubeCfg.HairpinMode),
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NonMasqueradeCIDR: nonMasqueradeCIDR,
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PluginName: crOptions.NetworkPluginName,
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PluginConfDir: crOptions.CNIConfDir,
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PluginBinDirString: crOptions.CNIBinDir,
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PluginCacheDir: crOptions.CNICacheDir,
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MTU: int(crOptions.NetworkPluginMTU),
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}
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// Create and start the CRI shim running as a grpc server.
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streamingConfig := getStreamingConfig(kubeCfg, kubeDeps, crOptions)
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dockerClientConfig := &dockershim.ClientConfig{
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DockerEndpoint: kubeDeps.DockerOptions.DockerEndpoint,
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RuntimeRequestTimeout: kubeDeps.DockerOptions.RuntimeRequestTimeout,
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ImagePullProgressDeadline: kubeDeps.DockerOptions.ImagePullProgressDeadline,
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}
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ds, err := dockershim.NewDockerService(dockerClientConfig, crOptions.PodSandboxImage, streamingConfig,
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&pluginSettings, runtimeCgroups, kubeCfg.CgroupDriver, crOptions.DockershimRootDirectory, !crOptions.RedirectContainerStreaming)
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if err != nil {
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return err
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}
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if crOptions.RedirectContainerStreaming {
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kubeDeps.criHandler = ds
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}
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// The unix socket for kubelet <-> dockershim communication, dockershim start before runtime service init.
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klog.V(5).Infof("RemoteRuntimeEndpoint: %q, RemoteImageEndpoint: %q",
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remoteRuntimeEndpoint,
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remoteImageEndpoint)
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klog.V(2).Infof("Starting the GRPC server for the docker CRI shim.")
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dockerServer := dockerremote.NewDockerServer(remoteRuntimeEndpoint, ds)
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if err := dockerServer.Start(); err != nil {
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return err
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}
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// Create dockerLegacyService when the logging driver is not supported.
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supported, err := ds.IsCRISupportedLogDriver()
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if err != nil {
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return err
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}
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if !supported {
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kubeDeps.dockerLegacyService = ds
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}
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return nil
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}
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