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provider/aws: Handle EC2 tags related errors in CloudFront Distribution resource. #9298

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kwilczynski
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This commits changes the behaviour in a case there was an error while
interacting with EC2 tags related to the CloudFormation Distribution
resource, fixing the issue with nil pointer dereference when despite
an error being present code path to handle tags was executed.

Also, a small re-factor of the validateHTTP helper method,
and a unit test added for it.

Signed-off-by: Krzysztof Wilczynski krzysztof.wilczynski@linux.com

This commits changes the behaviour in a case there was an error while
interacting with EC2 tags related to the CloudFormation Distribution
resource, fixing the issue with nil pointer dereference when despite
an error being present code path to handle tags was executed.

Also, a small re-factor of the `validateHTTP` helper method,
and a unit test added for it.

Signed-off-by: Krzysztof Wilczynski <krzysztof.wilczynski@linux.com>
@kwilczynski kwilczynski changed the title Handle EC2 tags related errors in CloudFront Distribution resource. provider/aws: Handle EC2 tags related errors in CloudFront Distribution resource. Oct 9, 2016
@kwilczynski
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Resolves #9272.

@kwilczynski
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The unit test is passing:

$ make test TEST=./builtin/providers/aws TESTARGS='-v -run=TestResourceAWSCloudFrontDistribution_validateHTTP'
==> Checking that code complies with gofmt requirements...
==> Checking AWS provider for unchecked errors...
==> NOTE: at this time we only look for uncheck errors in the AWS package
go generate $(go list ./... | grep -v /terraform/vendor/)
2016/10/09 14:10:16 Generated command/internal_plugin_list.go
TF_ACC= go test ./builtin/providers/aws -v -run=TestResourceAWSCloudFrontDistribution_validateHTTP -timeout=30s -parallel=4
=== RUN   TestResourceAWSCloudFrontDistribution_validateHTTP
--- PASS: TestResourceAWSCloudFrontDistribution_validateHTTP (0.00s)
PASS
ok      github.com/hashicorp/terraform/builtin/providers/aws    0.016s

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@radeksimko radeksimko left a comment

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LGTM. Thanks @kwilczynski

Just for next time - I'd greatly appreciate if you kept the actual bug fix in a separate commit from refactoring and other changes - it would make the review slightly easier. 😉

@radeksimko radeksimko merged commit 70a90cc into hashicorp:master Oct 9, 2016
terraformbot pushed a commit that referenced this pull request Oct 10, 2016
[origin/master] Handle EC2 tags related errors in CloudFront Distribution resource. (#9298)
70a90cc
terraformbot pushed a commit that referenced this pull request Oct 10, 2016
[origin/master] Handle EC2 tags related errors in CloudFront Distribution resource. (#9298)
70a90cc
terraformbot pushed a commit that referenced this pull request Oct 10, 2016
[origin/master] Handle EC2 tags related errors in CloudFront Distribution resource. (#9298)
70a90cc
terraformbot pushed a commit that referenced this pull request Oct 10, 2016
[origin/master] Handle EC2 tags related errors in CloudFront Distribution resource. (#9298)
70a90cc
terraformbot pushed a commit that referenced this pull request Oct 10, 2016
[origin/master] Handle EC2 tags related errors in CloudFront Distribution resource. (#9298)
70a90cc
terraformbot pushed a commit that referenced this pull request Oct 10, 2016
[origin/master] Handle EC2 tags related errors in CloudFront Distribution resource. (#9298)
70a90cc
terraformbot pushed a commit that referenced this pull request Oct 10, 2016
[origin/master] Handle EC2 tags related errors in CloudFront Distribution resource. (#9298)
70a90cc
terraformbot pushed a commit that referenced this pull request Oct 10, 2016
[origin/master] Handle EC2 tags related errors in CloudFront Distribution resource. (#9298)
70a90cc
terraformbot pushed a commit that referenced this pull request Oct 10, 2016
[origin/master] Handle EC2 tags related errors in CloudFront Distribution resource. (#9298)
70a90cc
terraformbot pushed a commit that referenced this pull request Oct 10, 2016
[origin/master] Handle EC2 tags related errors in CloudFront Distribution resource. (#9298)
70a90cc
terraformbot pushed a commit that referenced this pull request Oct 10, 2016
[origin/master] Handle EC2 tags related errors in CloudFront Distribution resource. (#9298)
70a90cc
terraformbot pushed a commit that referenced this pull request Oct 10, 2016
[origin/master] Handle EC2 tags related errors in CloudFront Distribution resource. (#9298)
70a90cc
terraformbot pushed a commit that referenced this pull request Oct 10, 2016
[origin/master] Handle EC2 tags related errors in CloudFront Distribution resource. (#9298)
70a90cc
terraformbot pushed a commit that referenced this pull request Oct 10, 2016
[origin/master] Handle EC2 tags related errors in CloudFront Distribution resource. (#9298)
70a90cc
terraformbot pushed a commit that referenced this pull request Oct 10, 2016
[origin/master] Handle EC2 tags related errors in CloudFront Distribution resource. (#9298)
70a90cc
terraformbot pushed a commit that referenced this pull request Oct 10, 2016
[origin/master] Handle EC2 tags related errors in CloudFront Distribution resource. (#9298)
70a90cc
terraformbot pushed a commit that referenced this pull request Oct 10, 2016
[origin/master] Handle EC2 tags related errors in CloudFront Distribution resource. (#9298)
70a90cc
terraformbot pushed a commit that referenced this pull request Oct 10, 2016
[origin/master] Handle EC2 tags related errors in CloudFront Distribution resource. (#9298)
70a90cc
terraformbot pushed a commit that referenced this pull request Oct 10, 2016
[origin/master] Handle EC2 tags related errors in CloudFront Distribution resource. (#9298)
70a90cc
terraformbot pushed a commit that referenced this pull request Oct 10, 2016
[origin/master] Handle EC2 tags related errors in CloudFront Distribution resource. (#9298)
70a90cc
terraformbot pushed a commit that referenced this pull request Oct 10, 2016
[origin/master] Handle EC2 tags related errors in CloudFront Distribution resource. (#9298)
70a90cc
terraformbot pushed a commit that referenced this pull request Oct 10, 2016
[origin/master] Handle EC2 tags related errors in CloudFront Distribution resource. (#9298)
70a90cc
terraformbot pushed a commit that referenced this pull request Oct 10, 2016
[origin/master] Handle EC2 tags related errors in CloudFront Distribution resource. (#9298)
70a90cc
terraformbot pushed a commit that referenced this pull request Oct 10, 2016
[origin/master] Handle EC2 tags related errors in CloudFront Distribution resource. (#9298)
70a90cc
terraformbot pushed a commit that referenced this pull request Oct 10, 2016
[origin/master] Handle EC2 tags related errors in CloudFront Distribution resource. (#9298)
70a90cc
stack72 added a commit that referenced this pull request Oct 29, 2016
Fixes #9628
Fixes #9298

When a route53_record alias is updated in the console, AWS prepends
`dualstack.` to the name. This is there incase IPV6 is wanted. It is
exactly the same without it as it is with it

In order to stop perpetual diffs, I introduced a normalizeFunc that will
that tke alias name and strip known issues:

* dualstack
* trailing dot

This normalize fun will continue to grow I'm sure

```
% make testacc TEST=./builtin/providers/aws TESTARGS='-run=TestAccAWSRoute53Record_'                                         ✹
==> Checking that code complies with gofmt requirements...
go generate $(go list ./... | grep -v /terraform/vendor/)
2016/10/29 00:28:12 Generated command/internal_plugin_list.go
TF_ACC=1 go test ./builtin/providers/aws -v -run=TestAccAWSRoute53Record_ -timeout 120m
=== RUN   TestAccAWSRoute53Record_basic
--- PASS: TestAccAWSRoute53Record_basic (124.64s)
=== RUN   TestAccAWSRoute53Record_basic_fqdn
--- PASS: TestAccAWSRoute53Record_basic_fqdn (132.07s)
=== RUN   TestAccAWSRoute53Record_txtSupport
--- PASS: TestAccAWSRoute53Record_txtSupport (134.07s)
=== RUN   TestAccAWSRoute53Record_spfSupport
--- PASS: TestAccAWSRoute53Record_spfSupport (113.36s)
=== RUN   TestAccAWSRoute53Record_generatesSuffix
--- PASS: TestAccAWSRoute53Record_generatesSuffix (112.62s)
=== RUN   TestAccAWSRoute53Record_wildcard
--- PASS: TestAccAWSRoute53Record_wildcard (162.84s)
=== RUN   TestAccAWSRoute53Record_failover
--- PASS: TestAccAWSRoute53Record_failover (126.18s)
=== RUN   TestAccAWSRoute53Record_weighted_basic
--- PASS: TestAccAWSRoute53Record_weighted_basic (121.10s)
=== RUN   TestAccAWSRoute53Record_alias
--- PASS: TestAccAWSRoute53Record_alias (118.14s)
=== RUN   TestAccAWSRoute53Record_s3_alias
--- PASS: TestAccAWSRoute53Record_s3_alias (155.07s)
=== RUN   TestAccAWSRoute53Record_weighted_alias
--- PASS: TestAccAWSRoute53Record_weighted_alias (235.41s)
=== RUN   TestAccAWSRoute53Record_geolocation_basic
^[[C--- PASS: TestAccAWSRoute53Record_geolocation_basic (125.32s)
=== RUN   TestAccAWSRoute53Record_latency_basic
--- PASS: TestAccAWSRoute53Record_latency_basic (122.23s)
=== RUN   TestAccAWSRoute53Record_TypeChange
--- PASS: TestAccAWSRoute53Record_TypeChange (231.98s)
=== RUN   TestAccAWSRoute53Record_empty
--- PASS: TestAccAWSRoute53Record_empty (116.48s)
PASS
ok  	github.com/hashicorp/terraform/builtin/providers/aws	2131.526s
```

Before this fix, I was getting the following by recreating the code in

```
~ aws_route53_record.alias
    alias.1563903989.evaluate_target_health: "true" => "false"
    alias.1563903989.name:                   "9828-recreation-106795730.us-west-2.elb.amazonaws.com." => ""
    alias.1563903989.zone_id:                "Z1H1FL5HABSF5" => ""
    alias.318754017.evaluate_target_health:  "" => "true"
    alias.318754017.name:                    "" => "9828-recreation-106795730.us-west-2.elb.amazonaws.com"
    alias.318754017.zone_id:                 "" => "Z1H1FL5HABSF5"

Plan: 0 to add, 1 to change, 0 to destroy.
```

After this fix:

```

No changes. Infrastructure is up-to-date. This means that Terraform
could not detect any differences between your configuration and
the real physical resources that exist. As a result, Terraform
doesn't need to do anything.
stack72 added a commit that referenced this pull request Oct 31, 2016
Fixes #9628
Fixes #9298

When a route53_record alias is updated in the console, AWS prepends
`dualstack.` to the name. This is there incase IPV6 is wanted. It is
exactly the same without it as it is with it

In order to stop perpetual diffs, I introduced a normalizeFunc that will
that tke alias name and strip known issues:

* dualstack
* trailing dot

This normalize fun will continue to grow I'm sure

```
% make testacc TEST=./builtin/providers/aws TESTARGS='-run=TestAccAWSRoute53Record_'                                         ✹
==> Checking that code complies with gofmt requirements...
go generate $(go list ./... | grep -v /terraform/vendor/)
2016/10/29 00:28:12 Generated command/internal_plugin_list.go
TF_ACC=1 go test ./builtin/providers/aws -v -run=TestAccAWSRoute53Record_ -timeout 120m
=== RUN   TestAccAWSRoute53Record_basic
--- PASS: TestAccAWSRoute53Record_basic (124.64s)
=== RUN   TestAccAWSRoute53Record_basic_fqdn
--- PASS: TestAccAWSRoute53Record_basic_fqdn (132.07s)
=== RUN   TestAccAWSRoute53Record_txtSupport
--- PASS: TestAccAWSRoute53Record_txtSupport (134.07s)
=== RUN   TestAccAWSRoute53Record_spfSupport
--- PASS: TestAccAWSRoute53Record_spfSupport (113.36s)
=== RUN   TestAccAWSRoute53Record_generatesSuffix
--- PASS: TestAccAWSRoute53Record_generatesSuffix (112.62s)
=== RUN   TestAccAWSRoute53Record_wildcard
--- PASS: TestAccAWSRoute53Record_wildcard (162.84s)
=== RUN   TestAccAWSRoute53Record_failover
--- PASS: TestAccAWSRoute53Record_failover (126.18s)
=== RUN   TestAccAWSRoute53Record_weighted_basic
--- PASS: TestAccAWSRoute53Record_weighted_basic (121.10s)
=== RUN   TestAccAWSRoute53Record_alias
--- PASS: TestAccAWSRoute53Record_alias (118.14s)
=== RUN   TestAccAWSRoute53Record_s3_alias
--- PASS: TestAccAWSRoute53Record_s3_alias (155.07s)
=== RUN   TestAccAWSRoute53Record_weighted_alias
--- PASS: TestAccAWSRoute53Record_weighted_alias (235.41s)
=== RUN   TestAccAWSRoute53Record_geolocation_basic
^[[C--- PASS: TestAccAWSRoute53Record_geolocation_basic (125.32s)
=== RUN   TestAccAWSRoute53Record_latency_basic
--- PASS: TestAccAWSRoute53Record_latency_basic (122.23s)
=== RUN   TestAccAWSRoute53Record_TypeChange
--- PASS: TestAccAWSRoute53Record_TypeChange (231.98s)
=== RUN   TestAccAWSRoute53Record_empty
--- PASS: TestAccAWSRoute53Record_empty (116.48s)
PASS
ok  	github.com/hashicorp/terraform/builtin/providers/aws	2131.526s
```

Before this fix, I was getting the following by recreating the code in

```
~ aws_route53_record.alias
    alias.1563903989.evaluate_target_health: "true" => "false"
    alias.1563903989.name:                   "9828-recreation-106795730.us-west-2.elb.amazonaws.com." => ""
    alias.1563903989.zone_id:                "Z1H1FL5HABSF5" => ""
    alias.318754017.evaluate_target_health:  "" => "true"
    alias.318754017.name:                    "" => "9828-recreation-106795730.us-west-2.elb.amazonaws.com"
    alias.318754017.zone_id:                 "" => "Z1H1FL5HABSF5"

Plan: 0 to add, 1 to change, 0 to destroy.
```

After this fix:

```

No changes. Infrastructure is up-to-date. This means that Terraform
could not detect any differences between your configuration and
the real physical resources that exist. As a result, Terraform
doesn't need to do anything.
stack72 added a commit that referenced this pull request Oct 31, 2016
Fixes #9628
Fixes #9298

When a route53_record alias is updated in the console, AWS prepends
`dualstack.` to the name. This is there incase IPV6 is wanted. It is
exactly the same without it as it is with it

In order to stop perpetual diffs, I introduced a normalizeFunc that will
that tke alias name and strip known issues:

* dualstack
* trailing dot

This normalize fun will continue to grow I'm sure

```
% make testacc TEST=./builtin/providers/aws TESTARGS='-run=TestAccAWSRoute53Record_'                                         ✹
==> Checking that code complies with gofmt requirements...
go generate $(go list ./... | grep -v /terraform/vendor/)
2016/10/29 00:28:12 Generated command/internal_plugin_list.go
TF_ACC=1 go test ./builtin/providers/aws -v -run=TestAccAWSRoute53Record_ -timeout 120m
=== RUN   TestAccAWSRoute53Record_basic
--- PASS: TestAccAWSRoute53Record_basic (124.64s)
=== RUN   TestAccAWSRoute53Record_basic_fqdn
--- PASS: TestAccAWSRoute53Record_basic_fqdn (132.07s)
=== RUN   TestAccAWSRoute53Record_txtSupport
--- PASS: TestAccAWSRoute53Record_txtSupport (134.07s)
=== RUN   TestAccAWSRoute53Record_spfSupport
--- PASS: TestAccAWSRoute53Record_spfSupport (113.36s)
=== RUN   TestAccAWSRoute53Record_generatesSuffix
--- PASS: TestAccAWSRoute53Record_generatesSuffix (112.62s)
=== RUN   TestAccAWSRoute53Record_wildcard
--- PASS: TestAccAWSRoute53Record_wildcard (162.84s)
=== RUN   TestAccAWSRoute53Record_failover
--- PASS: TestAccAWSRoute53Record_failover (126.18s)
=== RUN   TestAccAWSRoute53Record_weighted_basic
--- PASS: TestAccAWSRoute53Record_weighted_basic (121.10s)
=== RUN   TestAccAWSRoute53Record_alias
--- PASS: TestAccAWSRoute53Record_alias (118.14s)
=== RUN   TestAccAWSRoute53Record_s3_alias
--- PASS: TestAccAWSRoute53Record_s3_alias (155.07s)
=== RUN   TestAccAWSRoute53Record_weighted_alias
--- PASS: TestAccAWSRoute53Record_weighted_alias (235.41s)
=== RUN   TestAccAWSRoute53Record_geolocation_basic
^[[C--- PASS: TestAccAWSRoute53Record_geolocation_basic (125.32s)
=== RUN   TestAccAWSRoute53Record_latency_basic
--- PASS: TestAccAWSRoute53Record_latency_basic (122.23s)
=== RUN   TestAccAWSRoute53Record_TypeChange
--- PASS: TestAccAWSRoute53Record_TypeChange (231.98s)
=== RUN   TestAccAWSRoute53Record_empty
--- PASS: TestAccAWSRoute53Record_empty (116.48s)
PASS
ok  	github.com/hashicorp/terraform/builtin/providers/aws	2131.526s
```

Before this fix, I was getting the following by recreating the code in

```
~ aws_route53_record.alias
    alias.1563903989.evaluate_target_health: "true" => "false"
    alias.1563903989.name:                   "9828-recreation-106795730.us-west-2.elb.amazonaws.com." => ""
    alias.1563903989.zone_id:                "Z1H1FL5HABSF5" => ""
    alias.318754017.evaluate_target_health:  "" => "true"
    alias.318754017.name:                    "" => "9828-recreation-106795730.us-west-2.elb.amazonaws.com"
    alias.318754017.zone_id:                 "" => "Z1H1FL5HABSF5"

Plan: 0 to add, 1 to change, 0 to destroy.
```

After this fix:

```

No changes. Infrastructure is up-to-date. This means that Terraform
could not detect any differences between your configuration and
the real physical resources that exist. As a result, Terraform
doesn't need to do anything.
gusmat pushed a commit to gusmat/terraform that referenced this pull request Dec 6, 2016
…9704)

Fixes hashicorp#9628
Fixes hashicorp#9298

When a route53_record alias is updated in the console, AWS prepends
`dualstack.` to the name. This is there incase IPV6 is wanted. It is
exactly the same without it as it is with it

In order to stop perpetual diffs, I introduced a normalizeFunc that will
that tke alias name and strip known issues:

* dualstack
* trailing dot

This normalize fun will continue to grow I'm sure

```
% make testacc TEST=./builtin/providers/aws TESTARGS='-run=TestAccAWSRoute53Record_'                                         ✹
==> Checking that code complies with gofmt requirements...
go generate $(go list ./... | grep -v /terraform/vendor/)
2016/10/29 00:28:12 Generated command/internal_plugin_list.go
TF_ACC=1 go test ./builtin/providers/aws -v -run=TestAccAWSRoute53Record_ -timeout 120m
=== RUN   TestAccAWSRoute53Record_basic
--- PASS: TestAccAWSRoute53Record_basic (124.64s)
=== RUN   TestAccAWSRoute53Record_basic_fqdn
--- PASS: TestAccAWSRoute53Record_basic_fqdn (132.07s)
=== RUN   TestAccAWSRoute53Record_txtSupport
--- PASS: TestAccAWSRoute53Record_txtSupport (134.07s)
=== RUN   TestAccAWSRoute53Record_spfSupport
--- PASS: TestAccAWSRoute53Record_spfSupport (113.36s)
=== RUN   TestAccAWSRoute53Record_generatesSuffix
--- PASS: TestAccAWSRoute53Record_generatesSuffix (112.62s)
=== RUN   TestAccAWSRoute53Record_wildcard
--- PASS: TestAccAWSRoute53Record_wildcard (162.84s)
=== RUN   TestAccAWSRoute53Record_failover
--- PASS: TestAccAWSRoute53Record_failover (126.18s)
=== RUN   TestAccAWSRoute53Record_weighted_basic
--- PASS: TestAccAWSRoute53Record_weighted_basic (121.10s)
=== RUN   TestAccAWSRoute53Record_alias
--- PASS: TestAccAWSRoute53Record_alias (118.14s)
=== RUN   TestAccAWSRoute53Record_s3_alias
--- PASS: TestAccAWSRoute53Record_s3_alias (155.07s)
=== RUN   TestAccAWSRoute53Record_weighted_alias
--- PASS: TestAccAWSRoute53Record_weighted_alias (235.41s)
=== RUN   TestAccAWSRoute53Record_geolocation_basic
^[[C--- PASS: TestAccAWSRoute53Record_geolocation_basic (125.32s)
=== RUN   TestAccAWSRoute53Record_latency_basic
--- PASS: TestAccAWSRoute53Record_latency_basic (122.23s)
=== RUN   TestAccAWSRoute53Record_TypeChange
--- PASS: TestAccAWSRoute53Record_TypeChange (231.98s)
=== RUN   TestAccAWSRoute53Record_empty
--- PASS: TestAccAWSRoute53Record_empty (116.48s)
PASS
ok  	github.com/hashicorp/terraform/builtin/providers/aws	2131.526s
```

Before this fix, I was getting the following by recreating the code in

```
~ aws_route53_record.alias
    alias.1563903989.evaluate_target_health: "true" => "false"
    alias.1563903989.name:                   "9828-recreation-106795730.us-west-2.elb.amazonaws.com." => ""
    alias.1563903989.zone_id:                "Z1H1FL5HABSF5" => ""
    alias.318754017.evaluate_target_health:  "" => "true"
    alias.318754017.name:                    "" => "9828-recreation-106795730.us-west-2.elb.amazonaws.com"
    alias.318754017.zone_id:                 "" => "Z1H1FL5HABSF5"

Plan: 0 to add, 1 to change, 0 to destroy.
```

After this fix:

```

No changes. Infrastructure is up-to-date. This means that Terraform
could not detect any differences between your configuration and
the real physical resources that exist. As a result, Terraform
doesn't need to do anything.
@ghost
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ghost commented Apr 21, 2020

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If you have found a problem that seems similar to this, please open a new issue and complete the issue template so we can capture all the details necessary to investigate further.

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