wehub-resource-sync
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73 lines
2.1 KiB
Go
73 lines
2.1 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package eventlog
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import (
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"encoding/json"
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"net/http"
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"github.com/milvus-io/milvus/pkg/v3/mlog"
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)
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const (
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// ContentTypeHeader is the health check request type header.
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ContentTypeHeader = "Content-Type"
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// ContentTypeText is the health check request type text.
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ContentTypeText = "text/plain"
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// ContentTypeJSON is another health check request type text, which response contains more info.
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ContentTypeJSON = "application/json"
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)
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// eventLogHandler is the event log http handler
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type eventLogHandler struct{}
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func Handler() http.Handler {
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return &eventLogHandler{}
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}
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type eventLogResponse struct {
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Status int `json:"status"`
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Port int `json:"port"`
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}
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// ServeHTTP handler which start a grpc server listen on random available port.
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func (h *eventLogHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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resp := &eventLogResponse{
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Status: http.StatusOK,
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}
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port, err := getGrpcLogger()
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if err != nil {
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resp.Status = http.StatusInternalServerError
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writeJSON(w, r, resp)
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return
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}
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resp.Port = port
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writeJSON(w, r, resp)
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}
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func writeJSON(w http.ResponseWriter, r *http.Request, resp *eventLogResponse) {
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w.Header().Set(ContentTypeHeader, ContentTypeJSON)
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bs, err := json.Marshal(resp)
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if err != nil {
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mlog.Warn(r.Context(), "faild to send response", mlog.Err(err))
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}
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w.Write(bs)
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}
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