mirror of
https://github.com/kemko/nomad.git
synced 2026-01-01 16:05:42 +03:00
93 lines
2.4 KiB
Go
93 lines
2.4 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/hashicorp/nomad/api"
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"github.com/mitchellh/cli"
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)
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type AllocStatusCommand struct {
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Meta
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}
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func (c *AllocStatusCommand) Help() string {
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helpText := `
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Usage: nomad alloc-status [options] <allocation>
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Display status and diagnostic information about an allocation.
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General Options:
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` + generalOptionsUsage()
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return strings.TrimSpace(helpText)
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}
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func (c *AllocStatusCommand) Synopsis() string {
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return "Display allocation status information and metrics"
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}
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func (c *AllocStatusCommand) Run(args []string) int {
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flags := c.Meta.FlagSet("alloc-status", FlagSetClient)
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flags.Usage = func() { c.Ui.Output(c.Help()) }
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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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// Check that we either got no jobs or exactly one.
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args = flags.Args()
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if len(args) != 1 {
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c.Ui.Error(c.Help())
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return 1
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}
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allocID := args[0]
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// Get the HTTP client
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client, err := c.Meta.Client()
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err))
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return 1
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}
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// Query the allocation
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alloc, _, err := client.Allocations().Info(allocID, nil)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error querying allocation: %s", err))
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return 1
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}
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// Dump any allocation data
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dumpAllocStatus(c.Ui, alloc)
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return 0
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}
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// dumpAllocStatus is a helper to generate a more user-friendly error message
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// for scheduling failures, displaying a high level status of why the job
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// could not be scheduled out.
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func dumpAllocStatus(ui cli.Ui, alloc *api.Allocation) {
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// Print filter stats
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ui.Output(fmt.Sprintf("Allocation %q status %q (%d/%d nodes filtered)",
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alloc.ID, alloc.ClientStatus,
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alloc.Metrics.NodesFiltered, alloc.Metrics.NodesEvaluated))
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// Print exhaustion info
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if ne := alloc.Metrics.NodesExhausted; ne > 0 {
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ui.Output(fmt.Sprintf(" * Resources exhausted on %d nodes", ne))
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}
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for class, num := range alloc.Metrics.ClassExhausted {
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ui.Output(fmt.Sprintf(" * Class %q exhausted on %d nodes", class, num))
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}
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for dim, num := range alloc.Metrics.DimensionExhausted {
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ui.Output(fmt.Sprintf(" * Dimension %q exhausted on %d nodes", dim, num))
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}
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// Print filter info
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for class, num := range alloc.Metrics.ClassFiltered {
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ui.Output(fmt.Sprintf(" * Class %q filtered %d nodes", class, num))
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}
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for cs, num := range alloc.Metrics.ConstraintFiltered {
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ui.Output(fmt.Sprintf(" * Constraint %q filtered %d nodes", cs, num))
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}
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}
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