159 lines
3.7 KiB
Go
159 lines
3.7 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/contexts"
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"github.com/mitchellh/cli"
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"github.com/posener/complete"
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)
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type StatusCommand struct {
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Meta
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}
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func (s *StatusCommand) Help() string {
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helpText := `
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Usage: nomad status [options] <identifier>
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Display the status output for any given resource. The command will
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detect the type of resource being queried and display the appropriate
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status output.
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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 *StatusCommand) Synopsis() string {
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return "Display the status output for a resource"
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}
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func (c *StatusCommand) AutocompleteFlags() complete.Flags {
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return mergeAutocompleteFlags(c.Meta.AutocompleteFlags(FlagSetClient), nil)
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}
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func (c *StatusCommand) AutocompleteArgs() complete.Predictor {
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return complete.PredictFunc(func(a complete.Args) []string {
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client, err := c.Meta.Client()
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if err != nil {
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return nil
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}
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resp, _, err := client.Search().PrefixSearch(a.Last, contexts.All, nil)
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if err != nil {
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return []string{}
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}
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final := make([]string, 0)
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for _, matches := range resp.Matches {
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if len(matches) == 0 {
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continue
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}
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final = append(final, matches...)
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}
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return final
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})
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}
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func (c *StatusCommand) Run(args []string) int {
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flags := c.Meta.FlagSet("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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c.Ui.Error(fmt.Sprintf("Error parsing arguments: %q", err))
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return 1
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}
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// Store the original arguments so we can pass them to the routed command
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argsCopy := args
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// Check that we got exactly one evaluation ID
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args = flags.Args()
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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: %q", err))
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return 1
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}
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// If no identifier is provided, default to listing jobs
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if len(args) == 0 {
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cmd := &JobStatusCommand{Meta: c.Meta}
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return cmd.Run(argsCopy)
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}
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id := args[len(args)-1]
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// Query for the context associated with the id
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res, _, err := client.Search().PrefixSearch(id, contexts.All, nil)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error querying search with id: %q", err))
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return 1
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}
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if res.Matches == nil {
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c.Ui.Error(fmt.Sprintf("No matches returned for query: %q", err))
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return 1
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}
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var match contexts.Context
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matchCount := 0
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for ctx, vers := range res.Matches {
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if l := len(vers); l == 1 {
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match = ctx
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matchCount++
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} else if l > 0 && vers[0] == id {
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// Exact match
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match = ctx
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break
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}
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// Only a single result should return, as this is a match against a full id
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if matchCount > 1 || len(vers) > 1 {
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c.logMultiMatchError(id, res.Matches)
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return 1
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}
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}
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var cmd cli.Command
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switch match {
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case contexts.Evals:
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cmd = &EvalStatusCommand{Meta: c.Meta}
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case contexts.Nodes:
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cmd = &NodeStatusCommand{Meta: c.Meta}
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case contexts.Allocs:
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cmd = &AllocStatusCommand{Meta: c.Meta}
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case contexts.Jobs:
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cmd = &JobStatusCommand{Meta: c.Meta}
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case contexts.Deployments:
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cmd = &DeploymentStatusCommand{Meta: c.Meta}
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default:
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c.Ui.Error(fmt.Sprintf("Unable to resolve ID: %q", id))
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return 1
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}
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return cmd.Run(argsCopy)
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}
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// logMultiMatchError is used to log an error message when multiple matches are
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// found. The error message logged displays the matched IDs per context.
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func (c *StatusCommand) logMultiMatchError(id string, matches map[contexts.Context][]string) {
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c.Ui.Error(fmt.Sprintf("Multiple matches found for id %q", id))
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for ctx, vers := range matches {
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if len(vers) == 0 {
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continue
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}
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c.Ui.Error(fmt.Sprintf("\n%s:", strings.Title(string(ctx))))
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c.Ui.Error(fmt.Sprintf("%s", strings.Join(vers, ", ")))
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}
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}
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