149 lines
3.4 KiB
Go
149 lines
3.4 KiB
Go
package command
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import (
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"fmt"
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"strings"
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"github.com/dustin/go-humanize"
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)
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type FSStatCommand struct {
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Meta
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}
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func (f *FSStatCommand) Help() string {
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helpText := `
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Usage: nomad fs stat <alloc-id> <path>
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Displays information about an entry in an allocation directory at the given path.
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The path is relative to the allocation directory and defaults to root if unspecified.
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General Options:
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` + generalOptionsUsage() + `
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Stat Options:
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-H
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Machine friendly output.
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-verbose
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Show full information.
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`
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return strings.TrimSpace(helpText)
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}
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func (f *FSStatCommand) Synopsis() string {
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return "Stat an entry in an allocation directory"
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}
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func (f *FSStatCommand) Run(args []string) int {
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var verbose bool
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var machine bool
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flags := f.Meta.FlagSet("fs-list", FlagSetClient)
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flags.Usage = func() { f.Ui.Output(f.Help()) }
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flags.BoolVar(&verbose, "verbose", false, "")
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flags.BoolVar(&machine, "H", false, "")
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if err := flags.Parse(args); err != nil {
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return 1
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}
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args = flags.Args()
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if len(args) < 1 {
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f.Ui.Error("allocation id is a required parameter")
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return 1
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}
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allocID := args[0]
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path := "/"
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if len(args) == 2 {
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path = args[1]
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}
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client, err := f.Meta.Client()
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if err != nil {
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f.Ui.Error(fmt.Sprintf("Error inititalizing client: %v", err))
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return 1
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}
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// Truncate the id unless full length is requested
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length := shortId
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if verbose {
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length = fullId
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}
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// Query the allocation info
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alloc, _, err := client.Allocations().Info(allocID, nil)
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if err != nil {
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if len(allocID) == 1 {
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f.Ui.Error(fmt.Sprintf("Alloc ID must contain at least two characters."))
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return 1
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}
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if len(allocID)%2 == 1 {
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// Identifiers must be of even length, so we strip off the last byte
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// to provide a consistent user experience.
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allocID = allocID[:len(allocID)-1]
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}
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allocs, _, err := client.Allocations().PrefixList(allocID)
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if err != nil {
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f.Ui.Error(fmt.Sprintf("Error querying allocation: %v", err))
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return 1
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}
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if len(allocs) == 0 {
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f.Ui.Error(fmt.Sprintf("No allocation(s) with prefix or id %q found", allocID))
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return 1
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}
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if len(allocs) > 1 {
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// Format the allocs
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out := make([]string, len(allocs)+1)
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out[0] = "ID|Eval ID|Job ID|Task Group|Desired Status|Client Status"
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for i, alloc := range allocs {
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out[i+1] = fmt.Sprintf("%s|%s|%s|%s|%s|%s",
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limit(alloc.ID, length),
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limit(alloc.EvalID, length),
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alloc.JobID,
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alloc.TaskGroup,
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alloc.DesiredStatus,
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alloc.ClientStatus,
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)
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}
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f.Ui.Output(fmt.Sprintf("Prefix matched multiple allocations\n\n%s", formatList(out)))
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return 0
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}
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// Prefix lookup matched a single allocation
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alloc, _, err = client.Allocations().Info(allocs[0].ID, nil)
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if err != nil {
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f.Ui.Error(fmt.Sprintf("Error querying allocation: %s", err))
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return 1
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}
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}
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// Get the file information
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file, _, err := client.AllocFS().Stat(alloc, path, nil)
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if err != nil {
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f.Ui.Error(err.Error())
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return 1
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}
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// Display the file information
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out := make([]string, 2)
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out[0] = "Mode|Size|Modified Time|Name"
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if file != nil {
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fn := file.Name
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if file.IsDir {
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fn = fmt.Sprintf("%s/", fn)
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}
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var size string
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if machine {
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size = fmt.Sprintf("%d", file.Size)
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} else {
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size = humanize.Bytes(uint64(file.Size))
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}
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out[1] = fmt.Sprintf("%s|%s|%s|%s", file.FileMode, size,
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formatTime(file.ModTime), fn)
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}
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f.Ui.Output(formatList(out))
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return 0
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}
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