{"action":"opened","issue":{"url":"https://api.github.com/repos/hashicorp/terraform/issues/2257","labels_url":"https://api.github.com/repos/hashicorp/terraform/issues/2257/labels{/name}","comments_url":"https://api.github.com/repos/hashicorp/terraform/issues/2257/comments","events_url":"https://api.github.com/repos/hashicorp/terraform/issues/2257/events","html_url":"https://github.com/hashicorp/terraform/issues/2257","id":85835133,"number":2257,"title":"aws_security_group change causes destroy create cycle","user":{"login":"franklinwise","id":1341543,"avatar_url":"https://avatars.githubusercontent.com/u/1341543?v=3","gravatar_id":"","url":"https://api.github.com/users/franklinwise","html_url":"https://github.com/franklinwise","followers_url":"https://api.github.com/users/franklinwise/followers","following_url":"https://api.github.com/users/franklinwise/following{/other_user}","gists_url":"https://api.github.com/users/franklinwise/gists{/gist_id}","starred_url":"https://api.github.com/users/franklinwise/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/franklinwise/subscriptions","organizations_url":"https://api.github.com/users/franklinwise/orgs","repos_url":"https://api.github.com/users/franklinwise/repos","events_url":"https://api.github.com/users/franklinwise/events{/privacy}","received_events_url":"https://api.github.com/users/franklinwise/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-06-07T01:45:31Z","updated_at":"2015-06-07T01:45:31Z","closed_at":null,"body":"I don't understand why changing the number of security groups causes the machine to get destroy and rebuilt?\r\n\r\n```\r\n  security_groups.#:                         \"2\" => \"3\" (forces new resource)\r\n    security_groups.2071441191:                \"\" => \"sg-a77d9dc3\" (forces new resource)\r\n    security_groups.2192028676:                \"sg-0838d86c\" => \"sg-0838d86c\" (forces new resource)\r\n    security_groups.4056170280:                \"sg-a17d9dc5\" => \"sg-a17d9dc5\" (forces new resource)\r\n```"}}