forked from trivago/gollum
-
Notifications
You must be signed in to change notification settings - Fork 0
/
baserequest.go
132 lines (118 loc) · 3.22 KB
/
baserequest.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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
// Copyright 2013 Matthew Baird
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package elastigo
import (
"bytes"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"log"
"time"
)
func (c *Conn) DoCommand(method string, url string, args map[string]interface{}, data interface{}) ([]byte, error) {
var response map[string]interface{}
var body []byte
var httpStatusCode int
query, err := Escape(args)
if err != nil {
return nil, err
}
req, err := c.NewRequest(method, url, query)
if err != nil {
return body, err
}
if data != nil {
switch v := data.(type) {
case string:
req.SetBodyString(v)
case io.Reader:
req.SetBody(v)
case []byte:
req.SetBodyBytes(v)
default:
err = req.SetBodyJson(v)
if err != nil {
return body, err
}
}
}
// Copy request body for tracer
if c.RequestTracer != nil {
requestBody, err := ioutil.ReadAll(req.Body)
if err != nil {
return body, err
}
req.SetBody(bytes.NewReader(requestBody))
c.RequestTracer(req.Method, req.URL.String(), string(requestBody))
}
httpStatusCode, body, err = req.Do(&response)
if err != nil {
return body, err
}
if httpStatusCode > 304 {
jsonErr := json.Unmarshal(body, &response)
if jsonErr == nil {
if res_err, ok := response["error"]; ok {
status, _ := response["status"]
return body, ESError{time.Now(), fmt.Sprintf("Error [%s] Status [%v]", res_err, status), httpStatusCode}
}
}
return body, jsonErr
}
return body, nil
}
// ESError is an error implementation that includes a time, message, and code.
type ESError struct {
When time.Time
What string
Code int
}
func (e ESError) Error() string {
return fmt.Sprintf("%v: %v [%v]", e.When, e.What, e.Code)
}
// Exists allows the caller to check for the existance of a document using HEAD
// This appears to be broken in the current version of elasticsearch 0.19.10, currently
// returning nothing
func (c *Conn) Exists(index string, _type string, id string, args map[string]interface{}) (BaseResponse, error) {
var response map[string]interface{}
var body []byte
var url string
var retval BaseResponse
var httpStatusCode int
query, err := Escape(args)
if err != nil {
return retval, err
}
if len(_type) > 0 {
url = fmt.Sprintf("/%s/%s/%s", index, _type, id)
} else {
url = fmt.Sprintf("/%s/%s", index, id)
}
req, err := c.NewRequest("HEAD", url, query)
if err != nil {
// some sort of generic error handler
}
httpStatusCode, body, err = req.Do(&response)
if httpStatusCode > 304 {
if error, ok := response["error"]; ok {
status, _ := response["status"]
log.Printf("Error: %v (%v)\n", error, status)
}
} else {
// marshall into json
jsonErr := json.Unmarshal(body, &retval)
if jsonErr != nil {
log.Println(jsonErr)
}
}
return retval, err
}