// GetBaseDeviceSize returns the base device size of the daemon
func (d *Daemon) GetBaseDeviceSize(c *check.C) int64 {
infoCmdOutput, _, err := integration.RunCommandPipelineWithOutput(
exec.Command(d.dockerBinary, "-H", d.Sock(), "info"),
exec.Command("grep", "Base Device Size"),
)
c.Assert(err, checker.IsNil)
basesizeSlice := strings.Split(infoCmdOutput, ":")
basesize := strings.Trim(basesizeSlice[1], " ")
basesize = strings.Trim(basesize, "\n")[:len(basesize)-3]
basesizeFloat, err := strconv.ParseFloat(strings.Trim(basesize, " "), 64)
c.Assert(err, checker.IsNil)
basesizeBytes := int64(basesizeFloat) * (1024 * 1024 * 1024)
return basesizeBytes
}
func runCommandPipelineWithOutput(cmds ...*exec.Cmd) (output string, exitCode int, err error) {
return integration.RunCommandPipelineWithOutput(cmds...)
}