99 lines
2.1 KiB
Go
99 lines
2.1 KiB
Go
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package aws
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import (
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"log"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/service/cloudfront"
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"github.com/hashicorp/terraform/helper/schema"
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)
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func setTagsCloudFront(conn *cloudfront.CloudFront, d *schema.ResourceData, arn string) error {
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if d.HasChange("tags") {
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oraw, nraw := d.GetChange("tags")
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o := oraw.(map[string]interface{})
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n := nraw.(map[string]interface{})
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create, remove := diffTagsCloudFront(tagsFromMapCloudFront(o), tagsFromMapCloudFront(n))
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if len(remove) > 0 {
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log.Printf("[DEBUG] Removing tags: %s", remove)
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k := make([]*string, 0, len(remove))
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for _, t := range remove {
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k = append(k, t.Key)
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}
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_, err := conn.UntagResource(&cloudfront.UntagResourceInput{
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Resource: aws.String(arn),
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TagKeys: &cloudfront.TagKeys{
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Items: k,
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},
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})
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if err != nil {
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return err
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}
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}
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if len(create) > 0 {
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log.Printf("[DEBUG] Creating tags: %s", create)
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_, err := conn.TagResource(&cloudfront.TagResourceInput{
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Resource: aws.String(arn),
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Tags: &cloudfront.Tags{
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Items: create,
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},
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})
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if err != nil {
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return err
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}
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}
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}
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return nil
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}
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func diffTagsCloudFront(oldTags, newTags *cloudfront.Tags) ([]*cloudfront.Tag, []*cloudfront.Tag) {
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// First, we're creating everything we have
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create := make(map[string]interface{})
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for _, t := range newTags.Items {
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create[*t.Key] = *t.Value
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}
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// Build the list of what to remove
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var remove []*cloudfront.Tag
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for _, t := range oldTags.Items {
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old, ok := create[*t.Key]
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if !ok || old != *t.Value {
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// Delete it!
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remove = append(remove, t)
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}
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}
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createTags := tagsFromMapCloudFront(create)
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return createTags.Items, remove
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}
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func tagsFromMapCloudFront(m map[string]interface{}) *cloudfront.Tags {
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result := make([]*cloudfront.Tag, 0, len(m))
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for k, v := range m {
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result = append(result, &cloudfront.Tag{
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Key: aws.String(k),
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Value: aws.String(v.(string)),
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})
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}
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tags := &cloudfront.Tags{
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Items: result,
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}
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return tags
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}
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func tagsToMapCloudFront(ts *cloudfront.Tags) map[string]string {
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result := make(map[string]string)
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for _, t := range ts.Items {
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result[*t.Key] = *t.Value
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}
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return result
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}
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