72 lines
1.7 KiB
Go
72 lines
1.7 KiB
Go
package aws
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import (
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"fmt"
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"regexp"
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"time"
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"github.com/aws/aws-sdk-go/service/sns"
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"github.com/hashicorp/errwrap"
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"github.com/hashicorp/terraform/helper/schema"
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)
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func dataSourceAwsSnsTopic() *schema.Resource {
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return &schema.Resource{
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Read: dataSourceAwsSnsTopicsRead,
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Schema: map[string]*schema.Schema{
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"name": {
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Type: schema.TypeString,
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Required: true,
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ValidateFunc: func(v interface{}, k string) (ws []string, errors []error) {
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value := v.(string)
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validNamePattern := "^[A-Za-z0-9_-]+$"
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validName, nameMatchErr := regexp.MatchString(validNamePattern, value)
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if !validName || nameMatchErr != nil {
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errors = append(errors, fmt.Errorf(
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"%q must match regex '%v'", k, validNamePattern))
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}
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return
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},
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},
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"arn": {
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Type: schema.TypeString,
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Computed: true,
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},
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},
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}
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}
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func dataSourceAwsSnsTopicsRead(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).snsconn
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params := &sns.ListTopicsInput{}
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target := d.Get("name")
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var arns []string
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err := conn.ListTopicsPages(params, func(page *sns.ListTopicsOutput, lastPage bool) bool {
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for _, topic := range page.Topics {
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topicPattern := fmt.Sprintf(".*:%v$", target)
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matched, regexpErr := regexp.MatchString(topicPattern, *topic.TopicArn)
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if matched && regexpErr == nil {
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arns = append(arns, *topic.TopicArn)
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}
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}
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return true
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})
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if err != nil {
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return errwrap.Wrapf("Error describing topics: {{err}}", err)
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}
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if len(arns) == 0 {
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return fmt.Errorf("No topic with name %q found in this region.", target)
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}
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if len(arns) > 1 {
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return fmt.Errorf("Multiple topics with name %q found in this region.", target)
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}
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d.SetId(time.Now().UTC().String())
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d.Set("arn", arns[0])
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return nil
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}
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