52 lines
1.7 KiB
Go
52 lines
1.7 KiB
Go
/*
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Copyright The containerd 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 server
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import (
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"github.com/pkg/errors"
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"golang.org/x/net/context"
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runtime "k8s.io/cri-api/pkg/apis/runtime/v1alpha2"
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)
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// ReopenContainerLog asks the cri plugin to reopen the stdout/stderr log file for the container.
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// This is often called after the log file has been rotated.
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func (c *criService) ReopenContainerLog(ctx context.Context, r *runtime.ReopenContainerLogRequest) (*runtime.ReopenContainerLogResponse, error) {
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container, err := c.containerStore.Get(r.GetContainerId())
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if err != nil {
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return nil, errors.Wrapf(err, "an error occurred when try to find container %q", r.GetContainerId())
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}
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if container.Status.Get().State() != runtime.ContainerState_CONTAINER_RUNNING {
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return nil, errors.New("container is not running")
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}
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// Create new container logger and replace the existing ones.
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stdoutWC, stderrWC, err := c.createContainerLoggers(container.LogPath, container.Config.GetTty())
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if err != nil {
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return nil, err
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}
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oldStdoutWC, oldStderrWC := container.IO.AddOutput("log", stdoutWC, stderrWC)
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if oldStdoutWC != nil {
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oldStdoutWC.Close()
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}
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if oldStderrWC != nil {
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oldStderrWC.Close()
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}
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return &runtime.ReopenContainerLogResponse{}, nil
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}
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