diff options
Diffstat (limited to 'cmd/spotme')
| -rw-r--r-- | cmd/spotme/main.go | 53 | 
1 files changed, 53 insertions, 0 deletions
| diff --git a/cmd/spotme/main.go b/cmd/spotme/main.go new file mode 100644 index 0000000..99404cb --- /dev/null +++ b/cmd/spotme/main.go @@ -0,0 +1,53 @@ +package main + +import ( +	"flag" +	"fmt" +	"log" + +	"rescribe.xyz/bookpipeline" +) + +const usage = `Usage: spotme [-n num] + +Create new spot instances for the book pipeline. +` + +type SpotPipeliner interface { +	Init() error +	StartInstances(n int) error +} + +// NullWriter is used so non-verbose logging may be discarded +type NullWriter bool + +func (w NullWriter) Write(p []byte) (n int, err error) { +	return len(p), nil +} + +func main() { +	num := flag.Int("n", 1, "number of instances to start") +	flag.Usage = func() { +		fmt.Fprintf(flag.CommandLine.Output(), usage) +		flag.PrintDefaults() +	} +	flag.Parse() + +	var verboselog *log.Logger +	var n NullWriter +	verboselog = log.New(n, "", 0) + +	var conn SpotPipeliner +	conn = &bookpipeline.AwsConn{Region: "eu-west-2", Logger: verboselog} +	err := conn.Init() +	if err != nil { +		log.Fatalln("Failed to set up cloud connection:", err) +	} + +	log.Println("Starting spot instances") +	err = conn.StartInstances(*num) +	if err != nil { +		log.Fatalln("Failed to start a spot instance:", err) +	} +	log.Println("Spot instance request sent successfully") +} | 
