115 lines
2.5 KiB
Go
115 lines
2.5 KiB
Go
/*
|
|
© Copyright IBM Corporation 2017, 2018
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
// runmqserver initializes, creates and starts a queue manager, as PID 1 in a container
|
|
package main
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"os"
|
|
"sync"
|
|
|
|
log "github.com/sirupsen/logrus"
|
|
|
|
"github.com/ibm-messaging/mq-container/internal/name"
|
|
"github.com/ibm-messaging/mq-container/internal/ready"
|
|
)
|
|
|
|
func doMain() error {
|
|
configureLogger()
|
|
configureDebugLogger()
|
|
err := ready.Clear()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
name, err := name.GetQueueManagerName()
|
|
if err != nil {
|
|
log.Println(err)
|
|
return err
|
|
}
|
|
accepted, err := checkLicense()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if !accepted {
|
|
return errors.New("License not accepted")
|
|
}
|
|
log.Printf("Using queue manager name: %v", name)
|
|
|
|
// Start signal handler
|
|
signalControl := signalHandler(name)
|
|
|
|
logConfig()
|
|
err = createVolume("/mnt/mqm")
|
|
if err != nil {
|
|
log.Println(err)
|
|
return err
|
|
}
|
|
err = createDirStructure()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
newQM, err := createQueueManager(name)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
var wg sync.WaitGroup
|
|
defer func() {
|
|
log.Debugln("Waiting for log mirroring to complete")
|
|
wg.Wait()
|
|
}()
|
|
ctx, cancelMirror := context.WithCancel(context.Background())
|
|
defer func() {
|
|
log.Debugln("Cancel log mirroring")
|
|
cancelMirror()
|
|
}()
|
|
// TODO: Use the error channel
|
|
_, err = mirrorLogs(ctx, &wg, name, newQM)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = updateCommandLevel()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = startQueueManager()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
configureQueueManager()
|
|
// Start reaping zombies from now on.
|
|
// Start this here, so that we don't reap any sub-processes created
|
|
// by this process (e.g. for crtmqm or strmqm)
|
|
signalControl <- startReaping
|
|
// Reap zombies now, just in case we've already got some
|
|
signalControl <- reapNow
|
|
// Write a file to indicate that chkmqready should now work as normal
|
|
ready.Set()
|
|
// Wait for terminate signal
|
|
<-signalControl
|
|
return nil
|
|
}
|
|
|
|
var osExit = os.Exit
|
|
|
|
func main() {
|
|
err := doMain()
|
|
if err != nil {
|
|
osExit(1)
|
|
}
|
|
}
|