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cloudformation.go
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cloudformation.go
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package aws
import (
"fmt"
"strings"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/cloudformation"
)
const (
errorMessageTemplate = "Stack with id %s does not exist"
)
// StackExists checks to see if a CloudFormation stack exists
func StackExists(stackName string, session *session.Session) (bool, error) {
cfn := cloudformation.New(session)
input := &cloudformation.ListStackResourcesInput{
StackName: aws.String(stackName),
}
_, err := cfn.ListStackResources(input)
if err != nil {
// Check if its a not found error
errorMessage := fmt.Sprintf(errorMessageTemplate, stackName)
if !strings.Contains(err.Error(), errorMessage) {
return false, err
}
return false, nil
}
return true, nil
}
// DeleteStack deletes a cloudformation stack
func DeleteStack(stackName string, session *session.Session) error {
cfn := cloudformation.New(session)
input := &cloudformation.DeleteStackInput{
StackName: aws.String(stackName),
}
_, err := cfn.DeleteStack(input)
return err
}