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Merge pull request #8365 from hashicorp/td-amazon-helper-awserr-check 

builder/amazon: Add helper function for checking against AWSError
This commit is contained in:
Megan Marsh 2019-11-12 15:07:43 -08:00 committed by GitHub
parent 50e84624b9 488e539f63
commit fef4b05871
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 55 additions and 70 deletions
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11
builder/amazon/common/access_config.go
View File

@ -11,7 +11,6 @@ import (
"strings"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/credentials"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/ec2"
@ -181,15 +180,17 @@ func (c *AccessConfig) Session() (*session.Session, error) {
c.session = sess
cp, err := c.session.Config.Credentials.Get()
if err != nil {
if awsErr, ok := err.(awserr.Error); ok && awsErr.Code() == "NoCredentialProviders" {
if isAWSErr(err, "NoCredentialProviders", "") {
return nil, fmt.Errorf("No valid credential sources found for AWS Builder. " +
"Please see https://www.packer.io/docs/builders/amazon.html#specifying-amazon-credentials " +
"for more information on providing credentials for the AWS Builder.")
} else {
}
if err != nil {
return nil, fmt.Errorf("Error loading credentials for AWS Provider: %s", err)
}
}
log.Printf("[INFO] AWS Auth provider used: %q", cp.ProviderName)
if c.DecodeAuthZMessages {

14
builder/amazon/common/helper_funcs.go
View File

@ -3,11 +3,14 @@ package common
import (
"fmt"
"log"
"strings"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/service/ec2"
)
// DestroyAMIs deregisters the AWS machine images in imageids from an active AWS account
func DestroyAMIs(imageids []*string, ec2conn *ec2.EC2) error {
resp, err := ec2conn.DescribeImages(&ec2.DescribeImagesInput{
ImageIds: imageids,
@ -47,3 +50,14 @@ func DestroyAMIs(imageids []*string, ec2conn *ec2.EC2) error {
}
return nil
}
// Returns true if the error matches all these conditions:
// * err is of type awserr.Error
// * Error.Code() matches code
// * Error.Message() contains message
func isAWSErr(err error, code string, message string) bool {
if err, ok := err.(awserr.Error); ok {
return err.Code() == code && strings.Contains(err.Message(), message)
}
return false
}

10
builder/amazon/common/step_create_tags.go
View File

@ -6,7 +6,6 @@ import (
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/ec2"
"github.com/hashicorp/packer/common/retry"
@ -91,15 +90,10 @@ func (s *StepCreateTags) Run(ctx context.Context, state multistep.StateBag) mult
snapshotTags.Report(ui)
// Retry creating tags for about 2.5 minutes
err = retry.Config{
Tries: 11,
ShouldRetry: func(error) bool {
if awsErr, ok := err.(awserr.Error); ok {
switch awsErr.Code() {
case "InvalidAMIID.NotFound", "InvalidSnapshot.NotFound":
err = retry.Config{Tries: 11, ShouldRetry: func(error) bool {
if isAWSErr(err, "InvalidAMIID.NotFound", "") || isAWSErr(err, "InvalidSnapshot.NotFound", "") {
return true
}
}
return false
},
RetryDelay: (&retry.Backoff{InitialBackoff: 200 * time.Millisecond, MaxBackoff: 30 * time.Second, Multiplier: 2}).Linear,

3
builder/amazon/common/step_pre_validate.go
View File

@ -7,7 +7,6 @@ import (
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/service/ec2"
"github.com/hashicorp/packer/common/retry"
"github.com/hashicorp/packer/helper/multistep"
@ -36,7 +35,7 @@ func (s *StepPreValidate) Run(ctx context.Context, state multistep.StateBag) mul
err := retry.Config{
Tries: 11,
ShouldRetry: func(err error) bool {
if awsErr, ok := err.(awserr.Error); ok && awsErr.Code() == "AuthFailure" {
if isAWSErr(err, "AuthFailure", "") {
log.Printf("Waiting for Vault-generated AWS credentials" +
" to pass authentication... trying again.")
return true

19
builder/amazon/common/step_run_source_instance.go
View File

@ -9,7 +9,6 @@ import (
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/service/ec2"
"github.com/hashicorp/packer/common/retry"
@ -207,15 +206,10 @@ func (s *StepRunSourceInstance) Run(ctx context.Context, state multistep.StateBa
// will fail. Retry a couple of times to try to mitigate that race.
var r *ec2.DescribeInstancesOutput
err = retry.Config{
Tries: 11,
ShouldRetry: func(err error) bool {
if awsErr, ok := err.(awserr.Error); ok {
switch awsErr.Code() {
case "InvalidInstanceID.NotFound":
err = retry.Config{Tries: 11, ShouldRetry: func(err error) bool {
if isAWSErr(err, "InvalidInstanceID.NotFound", "") {
return true
}
}
return false
},
RetryDelay: (&retry.Backoff{InitialBackoff: 200 * time.Millisecond, MaxBackoff: 30 * time.Second, Multiplier: 2}).Linear,
@ -254,15 +248,10 @@ func (s *StepRunSourceInstance) Run(ctx context.Context, state multistep.StateBa
if s.IsRestricted {
ec2Tags.Report(ui)
// Retry creating tags for about 2.5 minutes
err = retry.Config{
Tries: 11,
ShouldRetry: func(error) bool {
if awsErr, ok := err.(awserr.Error); ok {
switch awsErr.Code() {
case "InvalidInstanceID.NotFound":
err = retry.Config{Tries: 11, ShouldRetry: func(error) bool {
if isAWSErr(err, "InvalidInstanceID.NotFound", "") {
return true
}
}
return false
},
RetryDelay: (&retry.Backoff{InitialBackoff: 200 * time.Millisecond, MaxBackoff: 30 * time.Second, Multiplier: 2}).Linear,

10
builder/amazon/common/step_run_spot_instance.go
View File

@ -9,7 +9,6 @@ import (
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/service/ec2"
"github.com/hashicorp/packer/common/random"
"github.com/hashicorp/packer/common/retry"
@ -353,15 +352,10 @@ func (s *StepRunSpotInstance) Run(ctx context.Context, state multistep.StateBag)
}
// Retry creating tags for about 2.5 minutes
err = retry.Config{
Tries: 11,
ShouldRetry: func(error) bool {
if awsErr, ok := err.(awserr.Error); ok {
switch awsErr.Code() {
case "InvalidInstanceID.NotFound":
err = retry.Config{Tries: 11, ShouldRetry: func(error) bool {
if isAWSErr(err, "InvalidInstanceID.NotFound", "") {
return true
}
}
return false
},
RetryDelay: (&retry.Backoff{InitialBackoff: 200 * time.Millisecond, MaxBackoff: 30 * time.Second, Multiplier: 2}).Linear,

10
builder/amazon/common/step_stop_ebs_instance.go
View File

@ -5,7 +5,6 @@ import (
"fmt"
"time"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/service/ec2"
"github.com/hashicorp/packer/common/retry"
"github.com/hashicorp/packer/helper/multistep"
@ -41,15 +40,10 @@ func (s *StepStopEBSBackedInstance) Run(ctx context.Context, state multistep.Sta
// does not exist.
// Work around this by retrying a few times, up to about 5 minutes.
err := retry.Config{
Tries: 6,
ShouldRetry: func(error) bool {
if awsErr, ok := err.(awserr.Error); ok {
switch awsErr.Code() {
case "InvalidInstanceID.NotFound":
err := retry.Config{Tries: 6, ShouldRetry: func(error) bool {
if isAWSErr(err, "InvalidInstanceID.NotFound", "") {
return true
}
}
return false
},
RetryDelay: (&retry.Backoff{InitialBackoff: 10 * time.Second, MaxBackoff: 60 * time.Second, Multiplier: 2}).Linear,