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124 lines
2.7 KiB
124 lines
2.7 KiB
/*
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This is some stuff...
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Authors:
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Georg Hopp <georg@steffers.org>
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Changes:
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2018-09-30 [Georg Hopp] File created.
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Copyright © 2018 Georg Hopp
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package test
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import (
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"context"
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"encoding/json"
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"io"
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"net/http"
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"os"
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"os/signal"
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"strings"
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"syscall"
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"gitlab.weird-web-workers.org/golang/logger"
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)
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type ApiHandler struct {
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log *logger.Logger
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}
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type version struct {
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Version string `json:"Version"`
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BuildCommit string `json:"BuildCommint"`
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BuildTime string `json:"BuildTimestamp"`
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}
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type Server struct {
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server *http.Server
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log *logger.Logger
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Stop chan bool
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}
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func (handler *ApiHandler) ServeHTTP(
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response http.ResponseWriter,
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request *http.Request,
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) {
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dirs := strings.Split(request.URL.Path, "/")
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switch dirs[0] {
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case "version":
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v, err := json.Marshal(
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version{
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VERSION,
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REVISION,
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BUILD_TIME,
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},
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)
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if err != nil {
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http.Error(response, "Unable to encode version information", 500)
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return
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}
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io.WriteString(response, string(v[:]))
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default:
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http.NotFound(response, request)
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return
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}
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}
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func NewServer(addr string, log *logger.Logger) (server *Server) {
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handler := ApiHandler{log: log}
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http.Handle("/api/0.0.1/", http.StripPrefix("/api/0.0.1/", &handler))
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server = &Server{
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server: &http.Server{Addr: addr},
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log: log,
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Stop: make(chan bool),
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}
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go func() {
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server.log.Info("Listening on %s", addr)
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if err := server.server.ListenAndServe();
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err != http.ErrServerClosed {
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logger.Default.LogError(err, "Stop listening")
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}
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}()
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interrupt := make(chan os.Signal, 1)
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signal.Notify(interrupt, os.Interrupt, syscall.SIGTERM, syscall.SIGINT)
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go func() {
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for run, ok := true, true; run && ok; {
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select {
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case <-interrupt:
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server.log.Info("API service Interrupted by signal")
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run = false
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case run, ok = <-server.Stop:
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server.log.Info("API service stopped")
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}
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}
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ctx := context.Background()
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if err := server.server.Shutdown(ctx); err != nil {
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server.log.LogError(err, "Unclean server shutdown")
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} else {
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server.log.Info("Server stopped")
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}
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server.Stop <- true
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}()
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return
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}
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// vim: ts=4 sts=4 sw=4 noet tw=72:
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