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https://github.com/aljazceru/kata-containers.git
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3d5ed6669c
Refine the changes made on #468 by adding the containerID log field as soon as possible (before *any* virtcontainers calls). This requires that `setExternalLoggers()` be called more times, but it's essential to ensure the correct log fields are available as early as possible. Partially fixes #519. Signed-off-by: James O. D. Hunt <james.o.hunt@intel.com>
71 lines
1.7 KiB
Go
71 lines
1.7 KiB
Go
// Copyright (c) 2014,2015,2016 Docker, Inc.
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// Copyright (c) 2017 Intel Corporation
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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package main
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import (
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"github.com/sirupsen/logrus"
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"github.com/urfave/cli"
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)
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var noteText = `Use "` + name + ` list" to identify container statuses.`
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var pauseCLICommand = cli.Command{
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Name: "pause",
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Usage: "suspend all processes in a container",
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ArgsUsage: `<container-id>
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Where "<container-id>" is the container name to be paused.`,
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Description: `The pause command suspends all processes in a container.
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` + noteText,
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Action: func(context *cli.Context) error {
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return toggleContainerPause(context.Args().First(), true)
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},
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}
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var resumeCLICommand = cli.Command{
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Name: "resume",
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Usage: "unpause all previously paused processes in a container",
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ArgsUsage: `<container-id>
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Where "<container-id>" is the container name to be resumed.`,
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Description: `The resume command unpauses all processes in a container.
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` + noteText,
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Action: func(context *cli.Context) error {
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return toggleContainerPause(context.Args().First(), false)
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},
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}
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func toggleContainerPause(containerID string, pause bool) (err error) {
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kataLog = kataLog.WithField("container", containerID)
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setExternalLoggers(kataLog)
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// Checks the MUST and MUST NOT from OCI runtime specification
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status, sandboxID, err := getExistingContainerInfo(containerID)
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if err != nil {
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return err
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}
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containerID = status.ID
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kataLog = kataLog.WithFields(logrus.Fields{
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"container": containerID,
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"sandbox": sandboxID,
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})
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setExternalLoggers(kataLog)
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if pause {
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err = vci.PauseContainer(sandboxID, containerID)
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} else {
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err = vci.ResumeContainer(sandboxID, containerID)
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}
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return err
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}
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