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add multi-instance Queue Managers (#307)

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* Initial code to implement multi-instance queue manager

* alter default mqsc to prevent race between listeners on standby startup

* Updates to multi-instance queue manager code

* initial multi instance test

* Multi-instance code improvements

* Multi instance fixes and first test

* configure queue manager

* Add mirror log filtering for mult-instance QMs

* Add log message for multi-instance enabled

* Improvements to container runtime logging

* refactor test

* Test active standby switch

* Improve createQueueManager function

* Test multi instance race

* wait

* multi instance mount tests

* skip race test

* mount tests

* no mount test

* single instance split mount tests

* readiness check

* More updates for handling standby queue manager

* Improve standby checks

* Minor fixes to miqm

* Fix logging of JSON errors

* Update copyrights

* Fix log includes
This commit is contained in:
Stephen Marshall
2019-05-01 14:42:25 +01:00
committed by Arthur Barr
parent 63af43f19d
commit 6c72c894f7
22 changed files with 773 additions and 144 deletions
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24
cmd/chkmqready/main.go
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@@ -1,5 +1,5 @@
/*
© Copyright IBM Corporation 2017, 2018
© Copyright IBM Corporation 2017, 2019
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
@@ -22,6 +22,7 @@ import (
"net"
"os"
"github.com/ibm-messaging/mq-container/internal/name"
"github.com/ibm-messaging/mq-container/internal/ready"
)
@@ -31,14 +32,25 @@ func main() {
if !r || err != nil {
os.Exit(1)
}
// Check if the queue manager has a running listener
conn, err := net.Dial("tcp", "127.0.0.1:1414")
name, err := name.GetQueueManagerName()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
err = conn.Close()
if err != nil {
fmt.Println(err)
// Check if the queue manager has a running listener
if standby, _ := ready.IsRunningAsStandbyQM(name); !standby {
conn, err := net.Dial("tcp", "127.0.0.1:1414")
if err != nil {
fmt.Println(err)
os.Exit(1)
}
err = conn.Close()
if err != nil {
fmt.Println(err)
}
} else {
fmt.Printf("Detected queue manager running in standby mode")
os.Exit(10)
}
}