/
calendar.go
118 lines (91 loc) · 2.62 KB
/
calendar.go
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package oncalendarfile
import (
"context"
"github.com/OliveTin/OliveTin/internal/acl"
"github.com/OliveTin/OliveTin/internal/config"
"github.com/OliveTin/OliveTin/internal/executor"
"github.com/OliveTin/OliveTin/internal/filehelper"
log "github.com/sirupsen/logrus"
"gopkg.in/yaml.v3"
"io/ioutil"
"time"
)
var calendar map[*config.Action][]*time.Timer
func Schedule(cfg *config.Config, ex *executor.Executor) {
calendar = make(map[*config.Action][]*time.Timer)
for _, action := range cfg.Actions {
if action.ExecOnCalendarFile != "" {
x := func() {
parseCalendarFile(action, cfg, ex)
}
go filehelper.WatchFile(action.ExecOnCalendarFile, x)
x()
}
}
}
func parseCalendarFile(action *config.Action, cfg *config.Config, ex *executor.Executor) {
filehelper.Touch(action.ExecOnCalendarFile, "calendar file")
log.WithFields(log.Fields{
"actionTitle": action.Title,
}).Infof("Parsing calendar file")
yfile, err := ioutil.ReadFile(action.ExecOnCalendarFile)
if err != nil {
log.Errorf("ReadIn: %v", err)
return
}
data := make([]string, 1)
err = yaml.Unmarshal(yfile, &data)
if err != nil {
log.Errorf("Unmarshal: %v", err)
}
scheduleCalendarActions(data, action, cfg, ex)
}
func scheduleCalendarActions(entries []string, action *config.Action, cfg *config.Config, ex *executor.Executor) {
ctx := context.Background()
for _, instant := range entries {
if instant == "" {
continue
}
until, _ := time.Parse(time.RFC3339, instant)
go sleepUntil(ctx, until, action, cfg, ex)
}
}
func sleepUntil(ctx context.Context, instant time.Time, action *config.Action, cfg *config.Config, ex *executor.Executor) {
if time.Now().After(instant) {
log.WithFields(log.Fields{
"instant": instant,
"actionTitle": action.Title,
}).Warnf("Not scheduling stale calendar action")
return
}
log.WithFields(log.Fields{
"instant": instant,
"actionTitle": action.Title,
}).Infof("Scheduling action on calendar")
timer := time.NewTimer(time.Until(instant))
defer timer.Stop()
select {
case <-timer.C:
exec(instant, action, cfg, ex)
return
case <-ctx.Done():
log.Infof("Cancelled scheduled action")
return
}
}
func exec(instant time.Time, action *config.Action, cfg *config.Config, ex *executor.Executor) {
// calendar[action] = append(calendar[action], timer)
log.WithFields(log.Fields{
"instant": instant,
"actionTitle": action.Title,
}).Infof("Executing action from calendar")
req := &executor.ExecutionRequest{
Action: action,
Cfg: cfg,
Tags: []string{"calendar"},
AuthenticatedUser: &acl.AuthenticatedUser{
Username: "calendar",
},
}
ex.ExecRequest(req)
}