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limit.go
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limit.go
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package commands // import "code.cloudfoundry.org/grootfs/store/filesystems/btrfs/drax/commands"
import (
"os"
"code.cloudfoundry.org/commandrunner/linux_command_runner"
limiterpkg "code.cloudfoundry.org/grootfs/store/filesystems/btrfs/drax/limiter"
"code.cloudfoundry.org/lager"
"github.com/urfave/cli"
)
var LimitCommand = cli.Command{
Name: "limit",
Usage: "limit --disk-limit-bytes 102400 --volume-path <path>",
Description: "Add disk limits to the volume.",
Flags: []cli.Flag{
cli.StringFlag{
Name: "volume-path",
Usage: "Path to the volume",
},
cli.Int64Flag{
Name: "disk-limit-bytes",
Usage: "Disk limit in bytes",
},
cli.BoolFlag{
Name: "exclude-image-from-quota",
Usage: "Exclude base image from disk quota",
},
},
Action: func(ctx *cli.Context) error {
logger := lager.NewLogger("drax")
logger.RegisterSink(lager.NewWriterSink(os.Stderr, lager.DEBUG))
commandRunner := linux_command_runner.New()
limiter := limiterpkg.NewBtrfsLimiter(ctx.GlobalString("btrfs-bin"), commandRunner)
err := limiter.ApplyDiskLimit(
logger,
ctx.String("volume-path"),
ctx.Int64("disk-limit-bytes"),
ctx.Bool("exclude-image-from-quota"),
)
if err != nil {
logger.Error("applying-limit-failed", err)
return cli.NewExitError(err.Error(), 1)
}
return nil
},
}