/-
Created
May 29, 2014 18:15
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package main | |
import ( | |
"fmt" | |
"log" | |
"net/http" | |
"net/url" | |
"os/exec" | |
"time" | |
"github.com/getsentry/raven-go" | |
) | |
var sentryDSN string = "http://f854c3521f124124af9ebd959eca3c47:28068212dfa244f4a6e85e2e44bb022d@sentry.services.disqus.com/26" | |
func main() { | |
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { | |
fmt.Fprintf(w, "Go Drone") | |
}) | |
http.HandleFunc("/query/", hiveQuery) | |
//go testQueryEndpoint() | |
log.Fatal(http.ListenAndServe(":5000", nil)) | |
} | |
func hiveQuery(w http.ResponseWriter, r *http.Request) { | |
err := r.ParseForm() | |
if err != nil { | |
log.Fatal(err) | |
} | |
query := r.Form["query"][0] | |
out, err := runHive(query, r) | |
if err != nil { | |
log.Println("Hive failed, retrying in 30 seconds") | |
time.Sleep(time.Duration(30) * time.Second) | |
out, _ = runHive(query, r) | |
} | |
fmt.Fprintf(w, "%s", out) | |
} | |
func runHive(query string, r *http.Request) (result []byte, err error) { | |
log.Printf("Hive Query: %s\n", query) | |
result, err = exec.Command("hive", "-e", query).Output() | |
if err != nil { | |
sentryClient, serr := raven.NewClient(sentryDSN, nil) | |
if serr != nil { | |
log.Fatal(serr) | |
} | |
trace := raven.NewStacktrace(0, 2, nil) | |
packet := raven.NewPacket(err.Error(), raven.NewException(err, trace), raven.NewHttp(r)) | |
eventID, ch := sentryClient.Capture(packet, nil) | |
if cerr := <-ch; cerr != nil { | |
log.Fatal(cerr) | |
} | |
message := fmt.Sprintf("Captured error with id %s: %q", eventID, err) | |
log.Println(message) | |
} | |
return | |
} | |
func testQueryEndpoint() { | |
resp, err := http.PostForm("http://127.0.0.1:5000/query/", url.Values{"query": {"show tables"}}) | |
if err != nil { | |
log.Fatal() | |
} | |
resp.Body.Close() | |
} |
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