Gregory Ballantine
90f679c366
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All test commands now utilize the "-l" or "--log" flag to specify a file to log results to. Reviewed-on: #2
62 lines
1.3 KiB
Go
62 lines
1.3 KiB
Go
package cmd
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import (
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"fmt"
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"io"
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"log"
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"os"
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"os/exec"
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"github.com/spf13/cobra"
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)
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var (
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size int
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tempfile string
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)
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var diskCmd = &cobra.Command{
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Use: "disk",
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Short: "Disk speed test.",
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Long: "Uses the local 'dd' command to test a disk's speed",
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Run: func(cmd *cobra.Command, args []string) {
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_, err := exec.LookPath("dd")
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if err != nil {
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panic(err)
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}
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// get number of blocks to write (1M * 1024 * number of Gigabytes)
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blocksCount := fmt.Sprintf("count=%d", (size * 1024))
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// get outfile path
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outfile := fmt.Sprintf("of=%s", tempfile)
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ddCmd := exec.Command("dd", "bs=1M", blocksCount, "if=/dev/zero", outfile)
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if Log != "false" {
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f, _ := os.Create(Log)
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ddCmd.Stderr = io.MultiWriter(os.Stderr, f)
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} else {
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ddCmd.Stderr = os.Stdout
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}
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err = ddCmd.Run()
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if err != nil {
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log.Fatalf("cmd.Run() failed with %s\n", err)
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}
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fileErr := os.Remove(tempfile)
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if fileErr != nil {
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fmt.Println(fileErr)
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}
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},
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}
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func init() {
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// link flags to variables
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diskCmd.Flags().IntVarP(&size, "size", "s", 10, "Size of the file to write, in Gigabytes.")
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diskCmd.Flags().StringVarP(&tempfile, "tempfile", "t", "./tempfile", "Where to store the tempfile.")
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// add ping command to the main program
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rootCmd.AddCommand(diskCmd)
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}
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