forked from vitessio/vitess
-
Notifications
You must be signed in to change notification settings - Fork 0
/
stream_queryz.go
95 lines (89 loc) · 2.27 KB
/
stream_queryz.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
package tabletserver
import (
"encoding/json"
"fmt"
"net/http"
"strconv"
"text/template"
"github.com/youtube/vitess/go/acl"
)
var (
streamqueryzHeader = []byte(`<thead>
<tr>
<th>Query</th>
<th>Context</th>
<th>Duration</th>
<th>Start</th>
<th>SessionID</th>
<th>TransactionID</th>
<th>ConnectionID</th>
<th>Terminate</th>
</tr>
</thead>
`)
streamqueryzTmpl = template.Must(template.New("example").Parse(`
<tr>
<td>{{.Query}}</td>
<td>{{.ContextHTML}}</td>
<td>{{.Duration}}</td>
<td>{{.Start}}</td>
<td>{{.SessionID}}</td>
<td>{{.TransactionID}}</td>
<td>{{.ConnID}}</td>
<td><a href='/streamqueryz/terminate?connID={{.ConnID}}'>Terminate</a></td>
</tr>
`))
)
func init() {
http.HandleFunc("/streamqueryz", streamqueryzHandler)
http.HandleFunc("/streamqueryz/terminate", streamqueryzTerminateHandler)
}
func streamqueryzHandler(w http.ResponseWriter, r *http.Request) {
if err := acl.CheckAccessHTTP(r, acl.DEBUGGING); err != nil {
acl.SendError(w, err)
return
}
rows := SqlQueryRpcService.qe.streamQList.GetQueryzRows()
if err := r.ParseForm(); err != nil {
http.Error(w, fmt.Sprintf("cannot parse form: %s", err), http.StatusInternalServerError)
return
}
format := r.FormValue("format")
if format == "json" {
js, err := json.Marshal(rows)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "application/json")
w.Write(js)
return
}
startHTMLTable(w)
defer endHTMLTable(w)
w.Write(streamqueryzHeader)
for i := range rows {
streamqueryzTmpl.Execute(w, rows[i])
}
}
func streamqueryzTerminateHandler(w http.ResponseWriter, r *http.Request) {
if err := acl.CheckAccessHTTP(r, acl.ADMIN); err != nil {
acl.SendError(w, err)
return
}
if err := r.ParseForm(); err != nil {
http.Error(w, fmt.Sprintf("cannot parse form: %s", err), http.StatusInternalServerError)
return
}
connID := r.FormValue("connID")
c, err := strconv.Atoi(connID)
if err != nil {
http.Error(w, "invalid connID", http.StatusInternalServerError)
return
}
if err = SqlQueryRpcService.qe.streamQList.Terminate(int64(c)); err != nil {
http.Error(w, fmt.Sprintf("error: %v", err), http.StatusInternalServerError)
return
}
streamqueryzHandler(w, r)
}