113 lines
2.6 KiB
Go
113 lines
2.6 KiB
Go
package oncalendarfile
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import (
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"context"
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"github.com/OliveTin/OliveTin/internal/acl"
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"github.com/OliveTin/OliveTin/internal/config"
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"github.com/OliveTin/OliveTin/internal/executor"
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"github.com/OliveTin/OliveTin/internal/filehelper"
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log "github.com/sirupsen/logrus"
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"gopkg.in/yaml.v3"
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"os"
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"time"
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)
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func Schedule(cfg *config.Config, ex *executor.Executor) {
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for _, action := range cfg.Actions {
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if action.ExecOnCalendarFile != "" {
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x := func(filename string) {
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parseCalendarFile(action, cfg, ex, filename)
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}
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go filehelper.WatchFileWrite(action.ExecOnCalendarFile, x)
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x(action.ExecOnCalendarFile)
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}
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}
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}
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func parseCalendarFile(action *config.Action, cfg *config.Config, ex *executor.Executor, filename string) {
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filehelper.Touch(action.ExecOnCalendarFile, "calendar file")
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log.WithFields(log.Fields{
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"actionTitle": action.Title,
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"filename": filename,
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}).Infof("Parsing calendar file")
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yfile, err := os.ReadFile(action.ExecOnCalendarFile)
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if err != nil {
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log.Errorf("ReadIn: %v", err)
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return
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}
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data := make([]string, 1)
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err = yaml.Unmarshal(yfile, &data)
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if err != nil {
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log.Errorf("Unmarshal: %v", err)
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}
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scheduleCalendarActions(data, action, cfg, ex)
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}
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func scheduleCalendarActions(entries []string, action *config.Action, cfg *config.Config, ex *executor.Executor) {
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ctx := context.Background()
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for _, instant := range entries {
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if instant == "" {
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continue
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}
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until, _ := time.Parse(time.RFC3339, instant)
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go sleepUntil(ctx, until, action, cfg, ex)
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}
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}
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func sleepUntil(ctx context.Context, instant time.Time, action *config.Action, cfg *config.Config, ex *executor.Executor) {
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if time.Now().After(instant) {
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log.WithFields(log.Fields{
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"instant": instant,
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"actionTitle": action.Title,
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}).Warnf("Not scheduling stale calendar action")
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return
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}
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log.WithFields(log.Fields{
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"instant": instant,
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"actionTitle": action.Title,
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}).Infof("Scheduling action on calendar")
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timer := time.NewTimer(time.Until(instant))
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defer timer.Stop()
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select {
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case <-timer.C:
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exec(instant, action, cfg, ex)
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return
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case <-ctx.Done():
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log.Infof("Cancelled scheduled action")
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return
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}
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}
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func exec(instant time.Time, action *config.Action, cfg *config.Config, ex *executor.Executor) {
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log.WithFields(log.Fields{
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"instant": instant,
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"actionTitle": action.Title,
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}).Infof("Executing action from calendar")
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req := &executor.ExecutionRequest{
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Binding: ex.FindBindingWithNoEntity(action),
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Cfg: cfg,
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Tags: []string{},
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AuthenticatedUser: acl.UserFromSystem(cfg, "calendar"),
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}
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ex.ExecRequest(req)
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}
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