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provider/aws: Allow recovering from failed CloudWatch Event Target creation #5395

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merged 3 commits into from
Mar 1, 2016
Merged

provider/aws: Allow recovering from failed CloudWatch Event Target creation #5395

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5a786d5
Fix: Do not store ID of CW Event Target if creation fails
Mar 1, 2016
dc45f84
Allow recovering from failed CW Event Target creation in state
Mar 1, 2016
8ca7325
docs: CloudWatch Event Target expects role name (not ARN)
Mar 1, 2016
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16 changes: 13 additions & 3 deletions builtin/providers/aws/resource_aws_cloudwatch_event_target.go
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@ import (
"github.com/hashicorp/terraform/helper/schema"

"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
events "github.com/aws/aws-sdk-go/service/cloudwatchevents"
)

Expand Down Expand Up @@ -61,9 +62,6 @@ func resourceAwsCloudWatchEventTargetCreate(d *schema.ResourceData, meta interfa
rule := d.Get("rule").(string)
targetId := d.Get("target_id").(string)

id := rule + "-" + targetId
d.SetId(id)

input := buildPutTargetInputStruct(d)
log.Printf("[DEBUG] Creating CloudWatch Event Target: %s", input)
out, err := conn.PutTargets(input)
Expand All @@ -76,6 +74,9 @@ func resourceAwsCloudWatchEventTargetCreate(d *schema.ResourceData, meta interfa
out.FailedEntries)
}

id := rule + "-" + targetId
d.SetId(id)

log.Printf("[INFO] CloudWatch Event Target %q created", d.Id())

return resourceAwsCloudWatchEventTargetRead(d, meta)
Expand All @@ -94,6 +95,15 @@ func resourceAwsCloudWatchEventTargetRead(d *schema.ResourceData, meta interface
d.SetId("")
return nil
}
if awsErr, ok := err.(awserr.Error); ok {
// This should never happen, but it's useful
// for recovering from https://github.com/hashicorp/terraform/issues/5389
if awsErr.Code() == "ValidationException" {
log.Printf("[WARN] Removing CloudWatch Event Target %q because it never existed.", d.Id())
d.SetId("")
return nil
}
}
return err
}
log.Printf("[DEBUG] Found Event Target: %s", t)
Expand Down
2 changes: 1 addition & 1 deletion website/source/docs/providers/aws/r/cloudwatch_event_target.html.markdown
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ Provides a CloudWatch Event Target resource.
```
resource "aws_cloudwatch_event_target" "yada" {
target_id = "Yada"
rule = "${aws_cloudwatch_event_rule.console.arn}"
rule = "${aws_cloudwatch_event_rule.console.name}"
arn = "${aws_kinesis_stream.test_stream.arn}"
}

Expand Down