89 lines
2.4 KiB
Go
89 lines
2.4 KiB
Go
package command
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import (
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"fmt"
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"strconv"
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"time"
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"github.com/hashicorp/nomad/api"
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"github.com/ryanuber/columnize"
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)
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// formatKV takes a set of strings and formats them into properly
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// aligned k = v pairs using the columnize library.
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func formatKV(in []string) string {
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columnConf := columnize.DefaultConfig()
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columnConf.Empty = "<none>"
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columnConf.Glue = " = "
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return columnize.Format(in, columnConf)
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}
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// formatList takes a set of strings and formats them into properly
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// aligned output, replacing any blank fields with a placeholder
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// for awk-ability.
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func formatList(in []string) string {
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columnConf := columnize.DefaultConfig()
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columnConf.Empty = "<none>"
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return columnize.Format(in, columnConf)
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}
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// formatListWithSpaces takes a set of strings and formats them into properly
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// aligned output. It should be used sparingly since it doesn't replace empty
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// values and hence not awk/sed friendly
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func formatListWithSpaces(in []string) string {
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columnConf := columnize.DefaultConfig()
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return columnize.Format(in, columnConf)
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}
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// Limits the length of the string.
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func limit(s string, length int) string {
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if len(s) < length {
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return s
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}
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return s[:length]
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}
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// formatTime formats the time to string based on RFC822
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func formatTime(t time.Time) string {
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return t.Format("02/01/06 15:04:05 MST")
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}
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// getLocalNodeID returns the node ID of the local Nomad Client and an error if
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// it couldn't be determined or the Agent is not running in Client mode.
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func getLocalNodeID(client *api.Client) (string, error) {
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info, err := client.Agent().Self()
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if err != nil {
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return "", fmt.Errorf("Error querying agent info: %s", err)
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}
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var stats map[string]interface{}
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stats, _ = info["stats"]
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clientStats, ok := stats["client"].(map[string]interface{})
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if !ok {
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return "", fmt.Errorf("Nomad not running in client mode")
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}
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nodeID, ok := clientStats["node_id"].(string)
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if !ok {
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return "", fmt.Errorf("Failed to determine node ID")
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}
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return nodeID, nil
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}
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// evalFailureStatus returns whether the evaluation has failures and a string to
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// display when presenting users with whether there are failures for the eval
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func evalFailureStatus(eval *api.Evaluation) (string, bool) {
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if eval == nil {
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return "", false
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}
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hasFailures := len(eval.FailedTGAllocs) != 0
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text := strconv.FormatBool(hasFailures)
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if eval.Status == "blocked" {
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text = "N/A - In Progress"
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}
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return text, hasFailures
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}
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