forked from hashicorp/nomad
/
eval_list.go
229 lines (186 loc) · 5 KB
/
eval_list.go
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// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package command
import (
"fmt"
"os"
"strings"
"github.com/hernad/nomad/api"
"github.com/hernad/nomad/api/contexts"
"github.com/posener/complete"
)
type EvalListCommand struct {
Meta
}
func (c *EvalListCommand) Help() string {
helpText := `
Usage: nomad eval list [options]
List is used to list the set of evaluations processed by Nomad.
General Options:
` + generalOptionsUsage(usageOptsDefault) + `
Eval List Options:
-verbose
Show full information.
-per-page
How many results to show per page.
-page-token
Where to start pagination.
-filter
Specifies an expression used to filter query results.
-job
Only show evaluations for this job ID.
-status
Only show evaluations with this status.
-json
Output the evaluation in its JSON format.
-t
Format and display evaluation using a Go template.
`
return strings.TrimSpace(helpText)
}
func (c *EvalListCommand) Synopsis() string {
return "List the set of evaluations processed by Nomad"
}
func (c *EvalListCommand) AutocompleteFlags() complete.Flags {
return mergeAutocompleteFlags(c.Meta.AutocompleteFlags(FlagSetClient),
complete.Flags{
"-json": complete.PredictNothing,
"-t": complete.PredictAnything,
"-verbose": complete.PredictNothing,
"-filter": complete.PredictAnything,
"-job": complete.PredictAnything,
"-status": complete.PredictAnything,
"-per-page": complete.PredictAnything,
"-page-token": complete.PredictAnything,
})
}
func (c *EvalListCommand) AutocompleteArgs() complete.Predictor {
return complete.PredictFunc(func(a complete.Args) []string {
client, err := c.Meta.Client()
if err != nil {
return nil
}
resp, _, err := client.Search().PrefixSearch(a.Last, contexts.Evals, nil)
if err != nil {
return []string{}
}
return resp.Matches[contexts.Evals]
})
}
func (c *EvalListCommand) Name() string { return "eval list" }
func (c *EvalListCommand) Run(args []string) int {
var monitor, verbose, json bool
var perPage int
var tmpl, pageToken, filter, filterJobID, filterStatus string
flags := c.Meta.FlagSet(c.Name(), FlagSetClient)
flags.Usage = func() { c.Ui.Output(c.Help()) }
flags.BoolVar(&monitor, "monitor", false, "")
flags.BoolVar(&verbose, "verbose", false, "")
flags.BoolVar(&json, "json", false, "")
flags.StringVar(&tmpl, "t", "", "")
flags.IntVar(&perPage, "per-page", 0, "")
flags.StringVar(&pageToken, "page-token", "", "")
flags.StringVar(&filter, "filter", "", "")
flags.StringVar(&filterJobID, "job", "", "")
flags.StringVar(&filterStatus, "status", "", "")
if err := flags.Parse(args); err != nil {
return 1
}
// Check that we got no arguments
args = flags.Args()
if l := len(args); l != 0 {
c.Ui.Error("This command takes no arguments")
c.Ui.Error(commandErrorText(c))
return 1
}
client, err := c.Meta.Client()
if err != nil {
c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err))
return 1
}
opts := &api.QueryOptions{
Filter: filter,
PerPage: int32(perPage),
NextToken: pageToken,
Params: map[string]string{},
}
if filterJobID != "" {
opts.Params["job"] = filterJobID
}
if filterStatus != "" {
opts.Params["status"] = filterStatus
}
evals, qm, err := client.Evaluations().List(opts)
if err != nil {
c.Ui.Error(fmt.Sprintf("Error querying evaluations: %v", err))
return 1
}
// If args not specified but output format is specified, format
// and output the evaluations data list
if json || len(tmpl) > 0 {
out, err := Format(json, tmpl, evals)
if err != nil {
c.Ui.Error(err.Error())
return 1
}
c.Ui.Output(out)
return 0
}
if len(evals) == 0 {
c.Ui.Output("No evals found")
return 0
}
c.Ui.Output(formatEvalList(evals, verbose))
if qm.NextToken != "" {
c.Ui.Output(fmt.Sprintf(`
Results have been paginated. To get the next page run:
%s -page-token %s`, argsWithoutPageToken(os.Args), qm.NextToken))
}
return 0
}
// argsWithoutPageToken strips out of the -page-token argument and
// returns the joined string
func argsWithoutPageToken(osArgs []string) string {
args := []string{}
i := 0
for {
if i >= len(osArgs) {
break
}
arg := osArgs[i]
if strings.HasPrefix(arg, "-page-token") {
if strings.Contains(arg, "=") {
i += 1
} else {
i += 2
}
continue
}
args = append(args, arg)
i++
}
return strings.Join(args, " ")
}
func formatEvalList(evals []*api.Evaluation, verbose bool) string {
// Truncate IDs unless full length is requested
length := shortId
if verbose {
length = fullId
}
out := make([]string, len(evals)+1)
out[0] = "ID|Priority|Triggered By|Job ID|Namespace|Node ID|Status|Placement Failures"
for i, eval := range evals {
failures, _ := evalFailureStatus(eval)
out[i+1] = fmt.Sprintf("%s|%d|%s|%s|%s|%s|%s|%s",
limit(eval.ID, length),
eval.Priority,
eval.TriggeredBy,
eval.JobID,
eval.Namespace,
limit(eval.NodeID, length),
eval.Status,
failures,
)
}
return formatList(out)
}