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Workaround for intervals and timeout being dependent on the init execution order.

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This commit is contained in:
Renan DelValle 2019-03-25 11:38:17 -07:00
parent ddc9bc408a
commit 3c817a7ffc
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GPG key ID: C240AD6D6F443EC9
6 changed files with 103 additions and 101 deletions
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36
cmd/monitor.go
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@ -11,10 +11,12 @@ import (
func init() {
rootCmd.AddCommand(monitorCmd)
monitorCmd.AddCommand(monitorHostCmd)
monitorHostCmd.Flags().DurationVar(&monitorInterval, "interval", time.Second*5, "Interval at which to poll scheduler.")
monitorHostCmd.Flags().DurationVar(&monitorTimeout, "timeout", time.Minute*10, "Time after which the monitor will stop polling and throw an error.")
monitorHostCmd.Flags().StringSliceVar(&statusList, "statuses", []string{aurora.MaintenanceMode_DRAINED.String()}, "List of acceptable statuses for a host to be in. (case-insensitive) [NONE, SCHEDULED, DRAINED, DRAINING]")
monitorCmd.AddCommand(monitorHostCmd.cmd)
monitorHostCmd.cmd.Run = monitorHost
monitorHostCmd.cmd.Flags().DurationVar(&monitorHostCmd.monitorInterval, "interval", time.Second*5, "Interval at which to poll scheduler.")
monitorHostCmd.cmd.Flags().DurationVar(&monitorHostCmd.monitorTimeout, "timeout", time.Minute*10, "Time after which the monitor will stop polling and throw an error.")
monitorHostCmd.cmd.Flags().StringSliceVar(&monitorHostCmd.statusList, "statuses", []string{aurora.MaintenanceMode_DRAINED.String()}, "List of acceptable statuses for a host to be in. (case-insensitive) [NONE, SCHEDULED, DRAINED, DRAINING]")
}
var monitorCmd = &cobra.Command{
@ -22,24 +24,20 @@ var monitorCmd = &cobra.Command{
Short: "Watch for a specific state change",
}
var monitorHostCmd = &cobra.Command{
Use: "hosts",
Short: "Watch a host maintenance status until it enters one of the desired statuses.",
Long: `Provide a list of hosts to monitor for desired statuses. Statuses may be passed using the --statuses
var monitorHostCmd = MonitorCmdConfig{
cmd: &cobra.Command{
Use: "hosts",
Short: "Watch a host maintenance status until it enters one of the desired statuses.",
Long: `Provide a list of hosts to monitor for desired statuses. Statuses may be passed using the --statuses
flag with a list of comma separated statuses. Statuses include [NONE, SCHEDULED, DRAINED, DRAINING]`,
PreRun: func(cmd *cobra.Command, args []string) {
// Manually initializing default values for this command as the default value for shared variables will
// be dependent on the order in which all commands were initialized
monitorTimeout = time.Minute * 10
monitorInterval = time.Second * 5
},
Run: monitorHost,
statusList: make([]string, 0),
}
func monitorHost(cmd *cobra.Command, args []string) {
maintenanceModes := make([]aurora.MaintenanceMode, 0)
for _, status := range statusList {
for _, status := range monitorHostCmd.statusList {
mode, err := aurora.MaintenanceModeFromString(strings.ToUpper(status))
if err != nil {
log.Fatal(err)
@ -48,12 +46,12 @@ func monitorHost(cmd *cobra.Command, args []string) {
maintenanceModes = append(maintenanceModes, mode)
}
log.Println(monitorTimeout)
log.Println(monitorInterval)
hostResult, err := client.HostMaintenanceMonitor(args, maintenanceModes, monitorInterval, monitorTimeout)
log.Infof("Monitoring for %v at %v intervals", monitorHostCmd.monitorTimeout, monitorHostCmd.monitorInterval)
hostResult, err := client.HostMaintenanceMonitor(args, maintenanceModes, monitorHostCmd.monitorInterval, monitorHostCmd.monitorTimeout)
maintenanceMonitorPrint(hostResult, maintenanceModes)
if err != nil {
log.Fatalf("error: %+v", err)
log.Fatal(err)
}
}