etcd-runner: pass in lock name as a command arg for lock_racer.
parent
72fb756af3
commit
debc69e1f2
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@ -20,24 +20,29 @@ import (
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"fmt"
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"fmt"
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"github.com/coreos/etcd/clientv3/concurrency"
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"github.com/coreos/etcd/clientv3/concurrency"
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"github.com/spf13/cobra"
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"github.com/spf13/cobra"
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)
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)
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// NewLockRacerCommand returns the cobra command for "lock-racer runner".
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// NewLockRacerCommand returns the cobra command for "lock-racer runner".
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func NewLockRacerCommand() *cobra.Command {
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func NewLockRacerCommand() *cobra.Command {
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cmd := &cobra.Command{
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cmd := &cobra.Command{
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Use: "lock-racer",
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Use: "lock-racer [name of lock (defaults to 'racers')]",
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Short: "Performs lock race operation",
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Short: "Performs lock race operation",
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Run: runRacerFunc,
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Run: runRacerFunc,
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}
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}
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cmd.Flags().IntVar(&rounds, "rounds", 100, "number of rounds to run")
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cmd.Flags().IntVar(&totalClientConnections, "total-client-connections", 10, "total number of client connections")
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cmd.Flags().IntVar(&totalClientConnections, "total-client-connections", 10, "total number of client connections")
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return cmd
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return cmd
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}
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}
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func runRacerFunc(cmd *cobra.Command, args []string) {
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func runRacerFunc(cmd *cobra.Command, args []string) {
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if len(args) > 0 {
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racers := "racers"
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ExitWithError(ExitBadArgs, errors.New("lock-racer does not take any argument"))
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if len(args) == 1 {
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racers = args[0]
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}
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if len(args) > 1 {
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ExitWithError(ExitBadArgs, errors.New("lock-racer takes at most one argument"))
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}
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}
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rcs := make([]roundClient, totalClientConnections)
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rcs := make([]roundClient, totalClientConnections)
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@ -61,7 +66,7 @@ func runRacerFunc(cmd *cobra.Command, args []string) {
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break
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break
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}
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}
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}
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}
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m := concurrency.NewMutex(s, "racers")
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m := concurrency.NewMutex(s, racers)
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rcs[i].acquire = func() error { return m.Lock(ctx) }
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rcs[i].acquire = func() error { return m.Lock(ctx) }
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rcs[i].validate = func() error {
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rcs[i].validate = func() error {
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if cnt++; cnt != 1 {
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if cnt++; cnt != 1 {
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@ -77,5 +82,7 @@ func runRacerFunc(cmd *cobra.Command, args []string) {
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return nil
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return nil
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}
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}
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}
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}
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doRounds(rcs, rounds)
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// each client creates 1 key from NewMutex() and delete it from Unlock()
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// a round involves in 2*len(rcs) requests.
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doRounds(rcs, rounds, 2*len(rcs))
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}
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}
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