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playground: fix panic if failed to start tiflash #543

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merged 5 commits into from
Jun 30, 2020
Merged

playground: fix panic if failed to start tiflash #543

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8562d51
playground: fix panic if failed to start tiflash
july2993 Jun 28, 2020
d331b40
Merge branch 'master' into flash_panic
july2993 Jun 28, 2020
71c4472
Merge branch 'master' into flash_panic
july2993 Jun 29, 2020
62c61b7
Merge branch 'master' into flash_panic
july2993 Jun 29, 2020
3a0ce19
Merge branch 'master' into flash_panic
july2993 Jun 30, 2020
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2 changes: 2 additions & 0 deletions components/playground/instance/instance.go
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Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,9 @@ type Instance interface {
LogFile() string
// Uptime show uptime.
Uptime() string
// StatusAddrs return the address to pull metrics.
StatusAddrs() []string
// Wait Should only call this if the instance is started successfully.
Wait() error
}

Expand Down
40 changes: 18 additions & 22 deletions components/playground/playground.go
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Original file line number Diff line number Diff line change
Expand Up @@ -382,9 +382,26 @@ func (p *Playground) sanitizeComponentConfig(cid string, cfg *instance.Config) {
func (p *Playground) startInstance(ctx context.Context, inst instance.Instance) error {
fmt.Printf("Start %s instance...\n", inst.Component())
err := inst.Start(context.Background(), v0manifest.Version(p.bootOptions.version))
p.addWaitInstance(inst)
return errors.AddStack(err)
}

func (p *Playground) addWaitInstance(inst instance.Instance) {
p.instanceWaiter.Go(func() error {
err := inst.Wait()
if err != nil {
fmt.Print(color.RedString("%s quit: %s\n", inst.Component(), err.Error()))
if lines, _ := utils.TailN(inst.LogFile(), 10); len(lines) > 0 {
for _, line := range lines {
fmt.Println(line)
}
fmt.Print(color.YellowString("...\ncheck detail log from: %s\n", inst.LogFile()))
}
}
return err
})
}

func (p *Playground) handleScaleOut(w io.Writer, cmd *Command) error {
// Ignore Config.Num, alway one command as scale out one instance.
p.sanitizeComponentConfig(cmd.ComponentID, &cmd.Config)
Expand All @@ -398,10 +415,6 @@ func (p *Playground) handleScaleOut(w io.Writer, cmd *Command) error {
return errors.AddStack(err)
}

p.instanceWaiter.Go(func() error {
return inst.Wait()
})

logIfErr(p.renderSDFile())

return nil
Expand Down Expand Up @@ -810,7 +823,7 @@ func (p *Playground) bootCluster(options *bootOptions) error {

if lastErr == nil {
for _, flash := range p.tiflashs {
if err := flash.Start(ctx, v0manifest.Version(options.version)); err != nil {
if err := p.startInstance(ctx, flash); err != nil {
lastErr = err
break
}
Expand Down Expand Up @@ -922,23 +935,6 @@ func (p *Playground) bootCluster(options *bootOptions) error {
}
}()

_ = p.WalkInstances(func(_ string, inst instance.Instance) error {
p.instanceWaiter.Go(func() error {
err := inst.Wait()
if err != nil {
fmt.Print(color.RedString("%s quit: \n", inst.Component()))
if lines, _ := utils.TailN(inst.LogFile(), 10); len(lines) > 0 {
for _, line := range lines {
fmt.Println(line)
}
fmt.Print(color.YellowString("...\ncheck detail log from: %s\n", inst.LogFile()))
}
}
return err
})
return nil
})

logIfErr(p.renderSDFile())

if grafana != nil {
Expand Down