in migrator/src/main/scala/com/gu/pathmanager/MigrationAWS.scala [27:38]
def readTag(tagName: String) = {
instanceId.flatMap { id =>
val tagsResult = MigrationAWS.EC2Client.describeTags(
new DescribeTagsRequest().withFilters(
new Filter("resource-type").withValues("instance"),
new Filter("resource-id").withValues(id),
new Filter("key").withValues(tagName)
)
)
tagsResult.getTags.asScala.find(_.getKey == tagName).map(_.getValue)
}
}