{"action":"opened","issue":{"url":"https://api.github.com/repos/hashicorp/terraform/issues/6850","repository_url":"https://api.github.com/repos/hashicorp/terraform","labels_url":"https://api.github.com/repos/hashicorp/terraform/issues/6850/labels{/name}","comments_url":"https://api.github.com/repos/hashicorp/terraform/issues/6850/comments","events_url":"https://api.github.com/repos/hashicorp/terraform/issues/6850/events","html_url":"https://github.com/hashicorp/terraform/issues/6850","id":156512702,"number":6850,"title":"Terraform upgrade to 0.6.14 -> 0.6.16 results in resources constantly being recreated","user":{"login":"mpas","id":139094,"avatar_url":"https://avatars.githubusercontent.com/u/139094?v=3","gravatar_id":"","url":"https://api.github.com/users/mpas","html_url":"https://github.com/mpas","followers_url":"https://api.github.com/users/mpas/followers","following_url":"https://api.github.com/users/mpas/following{/other_user}","gists_url":"https://api.github.com/users/mpas/gists{/gist_id}","starred_url":"https://api.github.com/users/mpas/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mpas/subscriptions","organizations_url":"https://api.github.com/users/mpas/orgs","repos_url":"https://api.github.com/users/mpas/repos","events_url":"https://api.github.com/users/mpas/events{/privacy}","received_events_url":"https://api.github.com/users/mpas/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-05-24T13:50:19Z","updated_at":"2016-05-24T13:50:19Z","closed_at":null,"body":"Hi there,\r\n\r\nwhen trying to upgrade from TF 0.6.14 to 0.6.16 we run into an issue that AWS resources are constantly being recreated. We tried the following scenario..\r\n\r\n- Roll out a fresh version of the infra using [TF 0.6.14]\r\n    - **tf apply**\r\n- Check if the infra is correctly applied using terraform plan [TF 0.6.14]\r\n    - **tf plan**\r\n\r\nWe got the confirmation that everything seems to be ok, now upgrade to **_TF 0.6.16_** and execute a **tf plan**\r\n\r\nThe result is that lots of resources are going to be recreated because of security group changes and other somehow recalculated container_definitions.\r\n\r\nExample: Recreate because of security group updates:\r\n```   \r\n    security_groups.#:           \"0\" => \"1\" (forces new resource)\r\n    security_groups.2142877382:  \"\" => \"sg-7e44e905\" (forces new resource)\r\n```\r\n\r\nExample: Recreate because of container definition:\r\n```\r\ncontainer_definitions: \"ccb864e490b69a17ed8a820ade600f1135f1b946\" => \"d8fd12c344f1677ea08887de8b78136fb376ea03\" (forces new resource)\r\n```\r\n\r\nA downgrade to TF 0.6.14 is not possible because of the state file changes. \r\n\r\nAny clue what is happening?"}}
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