{"action":"created","comment":{"url":"https://api.github.com/repos/kubernetes/kubernetes/pulls/comments/73322966","id":73322966,"diff_hunk":"@@ -0,0 +1,408 @@\n+/*\n+Copyright 2016 The Kubernetes Authors.\n+\n+Licensed under the Apache License, Version 2.0 (the \"License\");\n+you may not use this file except in compliance with the License.\n+You may obtain a copy of the License at\n+\n+    http://www.apache.org/licenses/LICENSE-2.0\n+\n+Unless required by applicable law or agreed to in writing, software\n+distributed under the License is distributed on an \"AS IS\" BASIS,\n+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n+See the License for the specific language governing permissions and\n+limitations under the License.\n+*/\n+\n+package util\n+\n+import (\n+\t\"fmt\"\n+\t\"reflect\"\n+\t\"sync\"\n+\t\"time\"\n+\n+\tfederation_api \"k8s.io/kubernetes/federation/apis/federation/v1beta1\"\n+\tfederation_release_1_4 \"k8s.io/kubernetes/federation/client/clientset_generated/federation_release_1_4\"\n+\tapi \"k8s.io/kubernetes/pkg/api\"\n+\tapi_v1 \"k8s.io/kubernetes/pkg/api/v1\"\n+\t\"k8s.io/kubernetes/pkg/client/cache\"\n+\t\"k8s.io/kubernetes/pkg/client/restclient\"\n+\t\"k8s.io/kubernetes/pkg/controller/framework\"\n+\tpkg_runtime \"k8s.io/kubernetes/pkg/runtime\"\n+\t\"k8s.io/kubernetes/pkg/watch\"\n+\n+\t\"github.com/golang/glog\"\n+)\n+\n+const (\n+\tclusterSyncPeriod = 10 * time.Minute\n+\tUserAgentName     = \"federation-service-controller\"\n+)\n+\n+// FederatedReadOnlyStore is an overlay over multiple stores created in federated clusters.\n+type FederatedReadOnlyStore interface {\n+\n+\t// Returns all items in the store.\n+\tList() []interface{}\n+\n+\t// GetByKey returns the item stored under the given key in the specified cluster (if exist).\n+\tGetByKey(clusterName string, key string) (item interface{}, exists bool)","path":"federation/pkg/federation-controller/util/federated_informer.go","position":49,"original_position":50,"commit_id":"76dabaf06e6c62eca33749db494cd00ec13b3016","original_commit_id":"66d86ac2d4e3ce7d264808acbaba31a7b886a4c9","user":{"login":"wojtek-t","id":10743879,"avatar_url":"https://avatars.githubusercontent.com/u/10743879?v=3","gravatar_id":"","url":"https://api.github.com/users/wojtek-t","html_url":"https://github.com/wojtek-t","followers_url":"https://api.github.com/users/wojtek-t/followers","following_url":"https://api.github.com/users/wojtek-t/following{/other_user}","gists_url":"https://api.github.com/users/wojtek-t/gists{/gist_id}","starred_url":"https://api.github.com/users/wojtek-t/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/wojtek-t/subscriptions","organizations_url":"https://api.github.com/users/wojtek-t/orgs","repos_url":"https://api.github.com/users/wojtek-t/repos","events_url":"https://api.github.com/users/wojtek-t/events{/privacy}","received_events_url":"https://api.github.com/users/wojtek-t/received_events","type":"User","site_admin":false},"body":"OK - but \"cache.Store\" is actually an interface not a single implementation. So:\r\n- it may change in the future\r\n- different implementation of store may return errors in some reasonable cases\r\n\r\nSo I still think that we really should return an error here, instead of hiding something, even though some current implementation doesn't really return them...","created_at":"2016-08-03T11:36:48Z","updated_at":"2016-08-03T11:36:48Z","html_url":"https://github.com/kubernetes/kubernetes/pull/29939#discussion_r73322966","pull_request_url":"https://api.github.com/repos/kubernetes/kubernetes/pulls/29939","_links":{"self":{"href":"https://api.github.com/repos/kubernetes/kubernetes/pulls/comments/73322966"},"html":{"href":"https://github.com/kubernetes/kubernetes/pull/29939#discussion_r73322966"},"pull_request":{"href":"https://api.github.com/repos/kubernetes/kubernetes/pulls/29939"}}},"pull_request":{"url":"https://api.github.com/repos/kubernetes/kubernetes/pulls/29939","id":79797962,"html_url":"https://github.com/kubernetes/kubernetes/pull/29939","diff_url":"https://github.com/kubernetes/kubernetes/pull/29939.diff","patch_url":"https://github.com/kubernetes/kubernetes/pull/29939.patch","issue_url":"https://api.github.com/repos/kubernetes/kubernetes/issues/29939","number":29939,"state":"open","locked":false,"title":"Federation - common libs - FederatedInformer","user":{"login":"mwielgus","id":11994812,"avatar_url":"https://avatars.githubusercontent.com/u/11994812?v=3","gravatar_id":"","url":"https://api.github.com/users/mwielgus","html_url":"https://github.com/mwielgus","followers_url":"https://api.github.com/users/mwielgus/followers","following_url":"https://api.github.com/users/mwielgus/following{/other_user}","gists_url":"https://api.github.com/users/mwielgus/gists{/gist_id}","starred_url":"https://api.github.com/users/mwielgus/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mwielgus/subscriptions","organizations_url":"https://api.github.com/users/mwielgus/orgs","repos_url":"https://api.github.com/users/mwielgus/repos","events_url":"https://api.github.com/users/mwielgus/events{/privacy}","received_events_url":"https://api.github.com/users/mwielgus/received_events","type":"User","site_admin":false},"body":"Fixes #29383\r\n\r\nWill add more tests after the first pass of the review.\r\n\r\nref: #29347\r\n\r\ncc: @nikhiljindal @wojtek-t 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