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module.go
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module.go
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package metamanager
import (
"time"
"github.com/kubeedge/beehive/pkg/common/config"
"github.com/kubeedge/beehive/pkg/core"
"github.com/kubeedge/beehive/pkg/core/context"
"github.com/kubeedge/beehive/pkg/core/model"
"github.com/kubeedge/kubeedge/edge/pkg/common/dbm"
"github.com/kubeedge/kubeedge/edge/pkg/common/modules"
"github.com/kubeedge/kubeedge/edge/pkg/metamanager/dao"
)
//constant metamanager module name
const (
MetaManagerModuleName = "metaManager"
)
func init() {
dbm.RegisterModel(MetaManagerModuleName, new(dao.Meta))
core.Register(&metaManager{})
}
type metaManager struct {
context *context.Context
}
func (*metaManager) Name() string {
return MetaManagerModuleName
}
func (*metaManager) Group() string {
return modules.MetaGroup
}
func (m *metaManager) Start(c *context.Context) {
m.context = c
go func() {
period := getSyncInterval()
timer := time.NewTimer(period)
for {
select {
case <-timer.C:
timer.Reset(period)
msg := model.NewMessage("").BuildRouter(MetaManagerModuleName, GroupResource, model.ResourceTypePodStatus, OperationMetaSync)
m.context.Send(MetaManagerModuleName, *msg)
}
}
}()
m.mainLoop()
}
func (m *metaManager) Cleanup() {
m.context.Cleanup(m.Name())
}
func getSyncInterval() time.Duration {
syncInterval, _ := config.CONFIG.GetValue("meta.sync.podstatus.interval").ToInt()
if syncInterval < DefaultSyncInterval {
syncInterval = DefaultSyncInterval
}
return time.Duration(syncInterval) * time.Second
}