func setServices() {
sess, err := session.NewSessionWithOptions(session.Options{
SharedConfigState: session.SharedConfigEnable,
})
if err != nil {
log.Fatal(err)
}
cwlogs = cloudwatchlogs.New(sess)
ec2meta = ec2metadata.New(sess)
}
// Lists all encrypted objects owned by an account. The `accounts` string
// contains a list of profiles to use.
//
// Usage:
// listObjectsConcurrentlv
func main() {
accounts := []string{"default", "default2", "otherprofile"}
// Spin off a worker for each account to retrieve that account's
bucketCh := make(chan *Bucket, 5)
var wg sync.WaitGroup
for _, acc := range accounts {
wg.Add(1)
go func(acc string) {
defer wg.Done()
sess, err := session.NewSessionWithOptions(session.Options{
Profile: acc,
})
if err != nil {
fmt.Fprintf(os.Stderr, "failed to create session for account, %s, %v\n", acc, err)
return
}
if err = getAccountBuckets(sess, bucketCh, acc); err != nil {
fmt.Fprintf(os.Stderr, "failed to get account %s's bucket info, %v\n", acc, err)
}
}(acc)
}
// Spin off a goroutine which will wait until all account buckets have been collected and
// added to the bucketCh. Close the bucketCh so the for range below will exit once all
// bucket info is printed.
go func() {
wg.Wait()
close(bucketCh)
}()
// Receive from the bucket channel printing the information for each bucket to the console
// when the bucketCh channel is drained.
buckets := []*Bucket{}
for b := range bucketCh {
buckets = append(buckets, b)
}
sortBuckets(buckets)
for _, b := range buckets {
if b.Error != nil {
fmt.Printf("Bucket %s, owned by: %s, failed: %v\n", b.Name, b.Owner, b.Error)
continue
}
encObjs := b.encryptedObjects()
fmt.Printf("Bucket: %s, owned by: %s, total objects: %d, failed objects: %d, encrypted objects: %d\n",
b.Name, b.Owner, len(b.Objects), len(b.ErrObjects), len(encObjs))
if len(encObjs) > 0 {
for _, encObj := range encObjs {
fmt.Printf("\t%s %s:%s/%s\n", encObj.EncryptionType, b.Region, b.Name, encObj.Key)
}
}
}
}
func awsSession() *session.Session {
if sess == nil {
var err error
sess, err = session.NewSessionWithOptions(session.Options{
SharedConfigState: session.SharedConfigEnable,
})
if err != nil {
log.Fatal("awsSession: couldn't create an AWS session", err)
}
}
return sess
}
func newAwsGenerator(
datacentre, profile string) (
result *awsGeneratorType, err error) {
sess, err := session.NewSessionWithOptions(
session.Options{
Config: aws.Config{Region: aws.String(datacentre)},
Profile: profile,
})
if err != nil {
return
}
svc := ec2.New(sess)
result = &awsGeneratorType{svc: svc}
return
}
func (ed *EC2Discovery) refresh() (tg *config.TargetGroup, err error) {
t0 := time.Now()
defer func() {
ec2SDRefreshDuration.Observe(time.Since(t0).Seconds())
if err != nil {
ec2SDRefreshFailuresCount.Inc()
}
}()
sess, err := session.NewSessionWithOptions(session.Options{
Config: *ed.aws,
Profile: ed.profile,
})
if err != nil {
return nil, fmt.Errorf("could not create aws session: %s", err)
}
ec2s := ec2.New(sess)
tg = &config.TargetGroup{
Source: *ed.aws.Region,
}
if err = ec2s.DescribeInstancesPages(nil, func(p *ec2.DescribeInstancesOutput, lastPage bool) bool {
for _, r := range p.Reservations {
for _, inst := range r.Instances {
if inst.PrivateIpAddress == nil {
continue
}
labels := model.LabelSet{
ec2LabelInstanceID: model.LabelValue(*inst.InstanceId),
}
labels[ec2LabelPrivateIP] = model.LabelValue(*inst.PrivateIpAddress)
addr := net.JoinHostPort(*inst.PrivateIpAddress, fmt.Sprintf("%d", ed.port))
labels[model.AddressLabel] = model.LabelValue(addr)
if inst.PublicIpAddress != nil {
labels[ec2LabelPublicIP] = model.LabelValue(*inst.PublicIpAddress)
labels[ec2LabelPublicDNS] = model.LabelValue(*inst.PublicDnsName)
}
labels[ec2LabelAZ] = model.LabelValue(*inst.Placement.AvailabilityZone)
labels[ec2LabelInstanceState] = model.LabelValue(*inst.State.Name)
labels[ec2LabelInstanceType] = model.LabelValue(*inst.InstanceType)
if inst.VpcId != nil {
labels[ec2LabelVPCID] = model.LabelValue(*inst.VpcId)
subnetsMap := make(map[string]struct{})
for _, eni := range inst.NetworkInterfaces {
subnetsMap[*eni.SubnetId] = struct{}{}
}
subnets := []string{}
for k := range subnetsMap {
subnets = append(subnets, k)
}
labels[ec2LabelSubnetID] = model.LabelValue(
subnetSeparator +
strings.Join(subnets, subnetSeparator) +
subnetSeparator)
}
for _, t := range inst.Tags {
name := strutil.SanitizeLabelName(*t.Key)
labels[ec2LabelTag+model.LabelName(name)] = model.LabelValue(*t.Value)
}
tg.Targets = append(tg.Targets, labels)
}
}
return true
}); err != nil {
return nil, fmt.Errorf("could not describe instances: %s", err)
}
return tg, nil
}
