{"action":"opened","number":188,"pull_request":{"url":"https://api.github.com/repos/kontena/kontena/pulls/188","id":45913640,"html_url":"https://github.com/kontena/kontena/pull/188","diff_url":"https://github.com/kontena/kontena/pull/188.diff","patch_url":"https://github.com/kontena/kontena/pull/188.patch","issue_url":"https://api.github.com/repos/kontena/kontena/issues/188","number":188,"state":"open","locked":false,"title":"Dynamic load balancing","user":{"login":"jakolehm","id":1446224,"avatar_url":"https://avatars.githubusercontent.com/u/1446224?v=3","gravatar_id":"","url":"https://api.github.com/users/jakolehm","html_url":"https://github.com/jakolehm","followers_url":"https://api.github.com/users/jakolehm/followers","following_url":"https://api.github.com/users/jakolehm/following{/other_user}","gists_url":"https://api.github.com/users/jakolehm/gists{/gist_id}","starred_url":"https://api.github.com/users/jakolehm/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jakolehm/subscriptions","organizations_url":"https://api.github.com/users/jakolehm/orgs","repos_url":"https://api.github.com/users/jakolehm/repos","events_url":"https://api.github.com/users/jakolehm/events{/privacy}","received_events_url":"https://api.github.com/users/jakolehm/received_events","type":"User","site_admin":false},"body":"This PR adds support for dynamic load balancing. Actual load balancers are haproxy/confd services that watch keys from etcd. Load balancers can be described in `kontena.yml` and services are connected automagically by linking services to load balancer. If balanced service is scaled/re-deployed then load balancer will reload it's configuration on the fly (without dropping connections).\r\n\r\nInternet facing load balancer example:\r\n\r\n```\r\ninternet_lb:\r\n  image: kontena/lb:latest\r\n  ports:\r\n    - 80:80\r\n\r\nweb:\r\n  image: nginx:latest\r\n  environment:\r\n    - KONTENA_LB_MODE=http\r\n    - KONTENA_LB_BALANCE=roundrobin\r\n    - KONTENA_LB_BACKEND_PORT=80\r\n  links:\r\n    - internet_lb\r\n```\r\n","created_at":"2015-09-24T15:44:43Z","updated_at":"2015-09-24T15:44:43Z","closed_at":null,"merged_at":null,"merge_commit_sha":null,"assignee":null,"milestone":null,"commits_url":"https://api.github.com/repos/kontena/kontena/pulls/188/commits","review_comments_url":"https://api.github.com/repos/kontena/kontena/pulls/188/comments","review_comment_url":"https://api.github.com/repos/kontena/kontena/pulls/comments{/number}","comments_url":"https://api.github.com/repos/kontena/kontena/issues/188/comments","statuses_url":"https://api.github.com/repos/kontena/kontena/statuses/6260c8c707362269409f9f6b2cb68371d86fe0b5","head":{"label":"kontena:feature/load_balancer_support","ref":"feature/load_balancer_support","sha":"6260c8c707362269409f9f6b2cb68371d86fe0b5","user":{"login":"kontena","id":10419574,"avatar_url":"https://avatars.githubusercontent.com/u/10419574?v=3","gravatar_id":"","url":"https://api.github.com/users/kontena","html_url":"https://github.com/kontena","followers_url":"https://api.github.com/users/kontena/followers","following_url":"https://api.github.com/users/kontena/following{/other_user}","gists_url":"https://api.github.com/users/kontena/gists{/gist_id}","starred_url":"https://api.github.com/users/kontena/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kontena/subscriptions","organizations_url":"https://api.github.com/users/kontena/orgs","repos_url":"https://api.github.com/users/kontena/repos","events_url":"https://api.github.com/users/kontena/events{/privacy}","received_events_url":"https://api.github.com/users/kontena/received_events","type":"Organization","site_admin":false},"repo":{"id":32689932,"name":"kontena","full_name":"kontena/kontena","owner":{"login":"kontena","id":10419574,"avatar_url":"https://avatars.githubusercontent.com/u/10419574?v=3","gravatar_id":"","url":"https://api.github.com/users/kontena","html_url":"https://github.com/kontena","followers_url":"https://api.github.com/users/kontena/followers","following_url":"https://api.github.com/users/kontena/following{/other_user}","gists_url":"https://api.github.com/users/kontena/gists{/gist_id}","starred_url":"https://api.github.com/users/kontena/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kontena/subscriptions","organizations_url":"https://api.github.com/users/kontena/orgs","repos_url":"https://api.github.com/users/kontena/repos","events_url":"https://api.github.com/users/kontena/events{/privacy}","received_events_url":"https://api.github.com/users/kontena/received_events","type":"Organization","site_admin":false},"private":false,"html_url":"https://github.com/kontena/kontena","description":"Docker 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