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main.go
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main.go
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package main
import (
"time"
"github.com/couchbase/cbauth/metakv"
"github.com/couchbase/eventing/audit"
"github.com/couchbase/eventing/common"
"github.com/couchbase/eventing/logging"
"github.com/couchbase/eventing/supervisor"
"github.com/couchbase/eventing/util"
"github.com/couchbase/gocb/v2"
)
func main() {
initFlags()
logging.Infof("Started eventing producer version: %v", util.EventingVer())
util.SetIPFlags(flags.ipv6, flags.ipv4)
util.SetRestPort(flags.restPort)
audit.Init(flags.restPort)
adminPort := supervisor.AdminPortConfig{
DebuggerPort: flags.debugPort,
HTTPPort: flags.adminHTTPPort,
SslPort: flags.adminSSLPort,
CAFile: flags.sslCAFile,
CertFile: flags.sslCertFile,
KeyFile: flags.sslKeyFile,
}
gocb.SetLogger(&util.GocbLogger{})
s := supervisor.NewSuperSupervisor(adminPort, flags.eventingDir, flags.kvPort, flags.restPort, flags.uuid, flags.diagDir)
// For app reloads
go func(s *supervisor.SuperSupervisor) {
cancelCh := make(chan struct{})
for {
err := metakv.RunObserveChildren(supervisor.MetakvChecksumPath, s.EventHandlerLoadCallback, cancelCh)
if err != nil {
logging.Errorf("Eventing::main metakv observe error for event handler code, err: %v. Retrying...", err)
time.Sleep(2 * time.Second)
}
}
}(s)
// For app settings update
go func(s *supervisor.SuperSupervisor) {
cancelCh := make(chan struct{})
for {
err := metakv.RunObserveChildren(supervisor.MetakvAppSettingsPath, s.SettingsChangeCallback, cancelCh)
if err != nil {
logging.Errorf("Eventing::main metakv observe error for settings, err: %v. Retrying...", err)
time.Sleep(2 * time.Second)
}
}
}(s)
// For topology change notifications
go func(s *supervisor.SuperSupervisor) {
cancelCh := make(chan struct{})
for {
err := metakv.RunObserveChildren(supervisor.MetakvRebalanceTokenPath, s.TopologyChangeNotifCallback, cancelCh)
if err != nil {
logging.Errorf("Eventing::main metakv observe error for rebalance token, err: %v. Retrying...", err)
time.Sleep(2 * time.Second)
}
}
}(s)
// For global Eventing related configs
go func(s *supervisor.SuperSupervisor) {
cancelCh := make(chan struct{})
for {
err := metakv.RunObserveChildren(supervisor.MetakvClusterSettings, s.GlobalConfigChangeCallback, cancelCh)
if err != nil {
logging.Errorf("Eventing::main metakv observe error for global config, err: %v. Retrying...", err)
time.Sleep(2 * time.Second)
}
}
}(s)
// For aborting the retries during bootstrap
go func(s *supervisor.SuperSupervisor) {
cancelCh := make(chan struct{})
for {
err := metakv.RunObserveChildren(supervisor.MetakvAppsRetryPath, s.AppsRetryCallback, cancelCh)
if err != nil {
logging.Errorf("Eventing::main metakv observe error for apps retry, err: %v. Retrying.", err)
time.Sleep(2 * time.Second)
}
}
}(s)
// For starting debugger
go func(s *supervisor.SuperSupervisor) {
cancelCh := make(chan struct{})
for {
err := metakv.RunObserveChildren(common.MetakvDebuggerPath, s.DebuggerCallback, cancelCh)
if err != nil {
logging.Errorf("Eventing::main metakv observe error for debugger, err: %v. Retrying.", err)
time.Sleep(2 * time.Second)
}
}
}(s)
s.HandleSupCmdMsg()
}