3bf23b684a
Waits on one or more containers to stop and prints the container's return code Signed-off-by: baude <bbaude@redhat.com>
62 lines
1.3 KiB
Go
62 lines
1.3 KiB
Go
package main
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import (
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"fmt"
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"os"
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"github.com/kubernetes-incubator/cri-o/libkpod"
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"github.com/pkg/errors"
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"github.com/urfave/cli"
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)
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var (
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waitDescription = `
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kpod wait
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Block until one or more containers stop and then print their exit codes
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`
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waitCommand = cli.Command{
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Name: "wait",
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Usage: "Block on one or more containers",
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Description: waitDescription,
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Action: waitCmd,
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ArgsUsage: "CONTAINER-NAME [CONTAINER-NAME ...]",
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}
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)
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func waitCmd(c *cli.Context) error {
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args := c.Args()
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if len(args) < 1 {
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return errors.Errorf("you must provide at least one container name or id")
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}
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config, err := getConfig(c)
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if err != nil {
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return errors.Wrapf(err, "could not get config")
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}
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server, err := libkpod.New(config)
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if err != nil {
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return errors.Wrapf(err, "could not get container server")
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}
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defer server.Shutdown()
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err = server.Update()
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if err != nil {
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return errors.Wrapf(err, "could not update list of containers")
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}
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var lastError error
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for _, container := range c.Args() {
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returnCode, err := server.ContainerWait(container)
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if err != nil {
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if lastError != nil {
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fmt.Fprintln(os.Stderr, lastError)
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}
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lastError = errors.Wrapf(err, "failed to wait for the container %v", container)
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} else {
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fmt.Println(returnCode)
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}
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}
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return lastError
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}
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