From 3bfe3a9e11f0cbe2ccde2a2fbd007b50b5fdfc07 Mon Sep 17 00:00:00 2001 From: Nick White Date: Wed, 18 Sep 2019 17:56:39 +0100 Subject: Add start of lspipeline --- bookpipeline/cmd/lspipeline/main.go | 83 +++++++++++++++++++++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 bookpipeline/cmd/lspipeline/main.go (limited to 'bookpipeline/cmd/lspipeline') diff --git a/bookpipeline/cmd/lspipeline/main.go b/bookpipeline/cmd/lspipeline/main.go new file mode 100644 index 0000000..5943e6c --- /dev/null +++ b/bookpipeline/cmd/lspipeline/main.go @@ -0,0 +1,83 @@ +package main + +import ( + "flag" + "fmt" + "log" + + // TODO: abstract out the aws stuff into aws.go in due course + "github.com/aws/aws-sdk-go/aws" + "github.com/aws/aws-sdk-go/aws/session" + "github.com/aws/aws-sdk-go/service/ec2" + //"github.com/aws/aws-sdk-go/service/s3" + //"github.com/aws/aws-sdk-go/service/sqs" +) + +const usage = `Usage: lspipeline + +Lists useful things related to the pipeline. + +- Instances running +- Messages in each queue (ApproximateNumberOfMessages and ApproximateNumberOfMessagesNotVisible from GetQueueAttributes) +- Books not completed (from S3 without a best file) +- Books completed (from S3 with a best file) +- Last 5 lines of bookpipeline logs from each running instance (with -v) +` + +func printInstances(page *ec2.DescribeInstancesOutput, lastPage bool) bool { + for _, r := range page.Reservations { + for _, i := range r.Instances { + var ip, name, spot string + for _, t := range i.Tags { + if *t.Key == "Name" { + name = *t.Value + } + } + if i.PublicIpAddress != nil { + ip = *i.PublicIpAddress + } + if i.SpotInstanceRequestId != nil { + spot = *i.SpotInstanceRequestId + } + fmt.Printf("Type: %s", *i.InstanceType) + if name != "" { + fmt.Printf(", Name: %s", name) + } + fmt.Printf(", LaunchTime: %s, State: %s", i.LaunchTime, *i.State.Name) + if ip != "" { + fmt.Printf(", IP: %s", ip) + } + if spot != "" { + fmt.Printf(", SpotRequest: %s", spot) + } + fmt.Printf("\n") + } + } + + return !lastPage +} + +func main() { + flag.Usage = func() { + fmt.Fprintf(flag.CommandLine.Output(), usage) + flag.PrintDefaults() + } + flag.Parse() + + sess, err := session.NewSession(&aws.Config{ + Region: aws.String("eu-west-2"), + }) + if err != nil { + log.Fatalln("Failed to set up aws session", err) + } + ec2svc := ec2.New(sess) + //s3svc := s3.New(sess) + //sqssvc := sqs.New(sess) + + err = ec2svc.DescribeInstancesPages(&ec2.DescribeInstancesInput{}, printInstances) + if err != nil { + log.Fatalln("Failed to get ec2 instances", err) + } + + // TODO: See remaining items in the usage statement +} -- cgit v1.2.1-24-ge1ad