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script.go
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script.go
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package hitrix
import (
"fmt"
"log"
"os"
"strings"
"time"
"github.com/latolukasz/beeorm"
"github.com/ryanuber/columnize"
"github.com/coretrix/hitrix/service"
"github.com/coretrix/hitrix/service/component/app"
)
type BackgroundProcessor struct {
Server *Hitrix
}
type exit struct {
s *Hitrix
}
func (e *exit) Custom(exitCode int) {
e.s.exit <- exitCode
}
func (e *exit) Valid() {
e.Custom(0)
}
func (e *exit) Error() {
e.Custom(1)
}
func (processor *BackgroundProcessor) RunScript(s app.IScript) {
options, isOptional := s.(app.Optional)
if isOptional {
if !options.Active() {
log.Print("IScript not active. Exiting.")
return
}
}
interval, isInterval := s.(app.Interval)
_, isInfinity := s.(app.Infinity)
if !isInterval && !isInfinity {
log.Println("Failed script - "+s.Description(), " - it must implement either Interval or Infinity interface")
}
go func() {
for {
log.Println("Run script - " + s.Description())
valid := processor.runScript(s)
if valid {
log.Println("Successfully executed script - " + s.Description())
} else {
log.Println("Failed script - " + s.Description())
time.Sleep(time.Second * 10)
continue
}
if isInfinity {
log.Println("Infinity - " + s.Description())
select {}
}
if !isInterval {
log.Println("Finished - " + s.Description())
processor.Server.done <- true
break
}
log.Println("Sleep for " + fmt.Sprint(interval.Interval()) + " seconds - " + s.Description())
time.Sleep(interval.Interval())
}
}()
processor.Server.await()
}
func listScrips() {
scripts := service.DI().App().Scripts
if len(scripts) > 0 {
output := []string{
"NAME | OPTIONS | DESCRIPTION ",
}
for _, defCode := range scripts {
def := service.GetServiceRequired(defCode).(app.IScript)
options := make([]string, 0)
interval, is := def.(app.Interval)
if is {
options = append(options, "interval")
duration := "every " + interval.Interval().String()
_, is := def.(app.IntervalOptional)
if is {
duration += " with condition"
}
options = append(options, duration)
}
if def.Unique() {
options = append(options, "unique")
}
optional, is := def.(app.Optional)
if is {
options = append(options, "optional")
if optional.Active() {
options = append(options, "active")
} else {
options = append(options, "inactive")
}
}
intermediate, is := def.(app.Intermediate)
if is && intermediate.IsIntermediate() {
options = append(options, "intermediate")
}
output = append(output, strings.Join([]string{defCode, strings.Join(options, ","), def.Description()}, " | "))
}
_, _ = os.Stdout.WriteString(columnize.SimpleFormat(output) + "\n")
}
}
func (processor *BackgroundProcessor) runScript(s app.IScript) bool {
return func() bool {
valid := true
defer func() {
if err := recover(); err != nil {
var message string
asErr, is := err.(error)
if is {
message = asErr.Error()
} else {
message = fmt.Sprint(err)
}
service.DI().ErrorLogger().LogError(message)
valid = false
}
}()
appService := service.DI().App()
s.Run(appService.GlobalContext, &exit{s: processor.Server})
return valid
}()
}
func (processor *BackgroundProcessor) RunAsyncOrmConsumer() {
ormService := service.DI().OrmEngine()
appService := service.DI().App()
GoroutineWithRestart(func() {
log.Println("starting orm background consumer")
asyncConsumer := beeorm.NewBackgroundConsumer(ormService)
for {
if asyncConsumer.Digest(appService.GlobalContext) {
log.Println("orm background consumer exited successfully")
break
}
log.Println("orm background consumer count not obtain lock, sleeping for 30 seconds")
time.Sleep(time.Second * 30)
}
})
}