Added parallel batching, IPMI power cycle, sensors, and console

test/batch-test.go

@@ -0,0 +1,51 @@
+
+package main
+
+import (
+	"github.com/hpcng/warewulf/internal/pkg/batch"
+	"fmt"
+	"time"
+	"runtime"
+)
+
+func exampleJob(name string, id int) string {
+	fmt.Printf("[%d] %s started...\n", id, name)
+	time.Sleep(time.Second * 5)
+	fmt.Printf("[%d] %s ending...\n", id, name)
+	return name
+}
+
+
+func main() {
+
+	fmt.Printf("GOMAXPROCS=%d\n", runtime.GOMAXPROCS(0))
+
+	jobstorun := 1000
+
+	// create batch pool to run 100 jobs at a time every 10 seconds
+	batchpool := batch.New(100, 10)
+	retvalues := make(chan string, jobstorun)
+
+	// submit a bunch of jobs
+	for i:=0; i<jobstorun; i++ {
+
+		name := fmt.Sprintf("job-%04d", i)
+		id := i;
+
+		batchpool.Submit(func() {
+			retvalues <- exampleJob(name, id)
+		})
+
+	}
+
+	// Run all batch jobs to completion
+	batchpool.Run()
+
+	close(retvalues)
+
+	for s:= range retvalues {
+		fmt.Printf("Return value is %s\n", s)
+	}
+
+}
+