{"action":"created","comment":{"url":"https://api.github.com/repos/GoogleCloudPlatform/kubernetes/pulls/comments/30358685","id":30358685,"diff_hunk":"@@ -319,38 +319,43 @@ type Proxier struct {\n \thostIP        net.IP\n }\n \n+var (\n+\tErrProxyOnLocalhost = fmt.Errorf(\"cannot proxy on localhost\")","path":"pkg/proxy/proxier.go","position":5,"original_position":5,"commit_id":"24f14aa5dd596908fcaa699b974bd16186c8a9e1","original_commit_id":"24f14aa5dd596908fcaa699b974bd16186c8a9e1","user":{"login":"smarterclayton","id":1163175,"avatar_url":"https://avatars.githubusercontent.com/u/1163175?v=3","gravatar_id":"","url":"https://api.github.com/users/smarterclayton","html_url":"https://github.com/smarterclayton","followers_url":"https://api.github.com/users/smarterclayton/followers","following_url":"https://api.github.com/users/smarterclayton/following{/other_user}","gists_url":"https://api.github.com/users/smarterclayton/gists{/gist_id}","starred_url":"https://api.github.com/users/smarterclayton/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/smarterclayton/subscriptions","organizations_url":"https://api.github.com/users/smarterclayton/orgs","repos_url":"https://api.github.com/users/smarterclayton/repos","events_url":"https://api.github.com/users/smarterclayton/events{/privacy}","received_events_url":"https://api.github.com/users/smarterclayton/received_events","type":"User","site_admin":false},"body":"We was \"the proxier\".  I wanted to check on ErrProxyOnLocalhost since it's doing argument validation and we want to give a very specific message to users.  ProxyLocked I wanted to test on.  Initialize and test on were generic errors - yeah it failed, we can't start the proxy because of some arbitrary iptables craziness.\r\n\r\nBasically the difference between http 422 and 404 - 422 means something very specific, 404 could mean anything.  The ProxyOnLocalhost was validation, the others were \"we can't start because of :shrug:\")","created_at":"2015-05-14T20:22:23Z","updated_at":"2015-05-14T20:22:23Z","html_url":"https://github.com/GoogleCloudPlatform/kubernetes/pull/8269#discussion_r30358685","pull_request_url":"https://api.github.com/repos/GoogleCloudPlatform/kubernetes/pulls/8269","_links":{"self":{"href":"https://api.github.com/repos/GoogleCloudPlatform/kubernetes/pulls/comments/30358685"},"html":{"href":"https://github.com/GoogleCloudPlatform/kubernetes/pull/8269#discussion_r30358685"},"pull_request":{"href":"https://api.github.com/repos/GoogleCloudPlatform/kubernetes/pulls/8269"}}},"pull_request":{"url":"https://api.github.com/repos/GoogleCloudPlatform/kubernetes/pulls/8269","id":35456529,"html_url":"https://github.com/GoogleCloudPlatform/kubernetes/pull/8269","diff_url":"https://github.com/GoogleCloudPlatform/kubernetes/pull/8269.diff","patch_url":"https://github.com/GoogleCloudPlatform/kubernetes/pull/8269.patch","issue_url":"https://api.github.com/repos/GoogleCloudPlatform/kubernetes/issues/8269","number":8269,"state":"open","locked":false,"title":"Proxier should return typed errors","user":{"login":"smarterclayton","id":1163175,"avatar_url":"https://avatars.githubusercontent.com/u/1163175?v=3","gravatar_id":"","url":"https://api.github.com/users/smarterclayton","html_url":"https://github.com/smarterclayton","followers_url":"https://api.github.com/users/smarterclayton/followers","following_url":"https://api.github.com/users/smarterclayton/following{/other_user}","gists_url":"https://api.github.com/users/smarterclayton/gists{/gist_id}","starred_url":"https://api.github.com/users/smarterclayton/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/smarterclayton/subscriptions","organizations_url":"https://api.github.com/users/smarterclayton/orgs","repos_url":"https://api.github.com/users/smarterclayton/repos","events_url":"https://api.github.com/users/smarterclayton/events{/privacy}","received_events_url":"https://api.github.com/users/smarterclayton/received_events","type":"User","site_admin":false},"body":"Spawned by discussion in #8264 and #7370.  Also adjusts default error levels of the proxier to fit 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