forked from olivere/elastic
-
Notifications
You must be signed in to change notification settings - Fork 0
/
tasks_cancel.go
158 lines (139 loc) · 4.36 KB
/
tasks_cancel.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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
// Copyright 2012-present Oliver Eilhard. All rights reserved.
// Use of this source code is governed by a MIT-license.
// See http://olivere.mit-license.org/license.txt for details.
package elastic
import (
"context"
"fmt"
"net/url"
"strings"
"github.com/olivere/elastic/uritemplates"
)
// TasksCancelService can cancel long-running tasks.
// It is supported as of Elasticsearch 2.3.0.
//
// See http://www.elastic.co/guide/en/elasticsearch/reference/5.2/tasks-cancel.html
// for details.
type TasksCancelService struct {
client *Client
pretty bool
taskId string
actions []string
nodeId []string
parentTaskId string
}
// NewTasksCancelService creates a new TasksCancelService.
func NewTasksCancelService(client *Client) *TasksCancelService {
return &TasksCancelService{
client: client,
}
}
// TaskId specifies the task to cancel. Notice that the caller is responsible
// for using the correct format, i.e. node_id:task_number, as specified in
// the REST API.
func (s *TasksCancelService) TaskId(taskId string) *TasksCancelService {
s.taskId = taskId
return s
}
// TaskIdFromNodeAndId specifies the task to cancel. Set id to -1 for all tasks.
func (s *TasksCancelService) TaskIdFromNodeAndId(nodeId string, id int64) *TasksCancelService {
// See https://github.com/elastic/elasticsearch/blob/6.x/server/src/main/java/org/elasticsearch/tasks/TaskId.java#L107-L118
if id != -1 {
s.taskId = fmt.Sprintf("%s:%d", nodeId, id)
}
return s
}
// Actions is a list of actions that should be cancelled. Leave empty to cancel all.
func (s *TasksCancelService) Actions(actions ...string) *TasksCancelService {
s.actions = append(s.actions, actions...)
return s
}
// NodeId is a list of node IDs or names to limit the returned information;
// use `_local` to return information from the node you're connecting to,
// leave empty to get information from all nodes.
func (s *TasksCancelService) NodeId(nodeId ...string) *TasksCancelService {
s.nodeId = append(s.nodeId, nodeId...)
return s
}
// ParentTaskId specifies to cancel tasks with specified parent task id.
// Notice that the caller is responsible for using the correct format,
// i.e. node_id:task_number, as specified in the REST API.
func (s *TasksCancelService) ParentTaskId(parentTaskId string) *TasksCancelService {
s.parentTaskId = parentTaskId
return s
}
// ParentTaskIdFromNodeAndId specifies to cancel tasks with specified parent task id.
func (s *TasksCancelService) ParentTaskIdFromNodeAndId(nodeId string, id int64) *TasksCancelService {
// See https://github.com/elastic/elasticsearch/blob/6.x/server/src/main/java/org/elasticsearch/tasks/TaskId.java#L107-L118
if id != -1 {
s.parentTaskId = fmt.Sprintf("%s:%d", nodeId, id)
}
return s
}
// Pretty indicates that the JSON response be indented and human readable.
func (s *TasksCancelService) Pretty(pretty bool) *TasksCancelService {
s.pretty = pretty
return s
}
// buildURL builds the URL for the operation.
func (s *TasksCancelService) buildURL() (string, url.Values, error) {
// Build URL
var err error
var path string
if s.taskId != "" {
path, err = uritemplates.Expand("/_tasks/{task_id}/_cancel", map[string]string{
"task_id": s.taskId,
})
} else {
path = "/_tasks/_cancel"
}
if err != nil {
return "", url.Values{}, err
}
// Add query string parameters
params := url.Values{}
if s.pretty {
params.Set("pretty", "true")
}
if len(s.actions) > 0 {
params.Set("actions", strings.Join(s.actions, ","))
}
if len(s.nodeId) > 0 {
params.Set("node_id", strings.Join(s.nodeId, ","))
}
if s.parentTaskId != "" {
params.Set("parent_task_id", s.parentTaskId)
}
return path, params, nil
}
// Validate checks if the operation is valid.
func (s *TasksCancelService) Validate() error {
return nil
}
// Do executes the operation.
func (s *TasksCancelService) Do(ctx context.Context) (*TasksListResponse, error) {
// Check pre-conditions
if err := s.Validate(); err != nil {
return nil, err
}
// Get URL for request
path, params, err := s.buildURL()
if err != nil {
return nil, err
}
// Get HTTP response
res, err := s.client.PerformRequest(ctx, PerformRequestOptions{
Method: "POST",
Path: path,
Params: params,
})
if err != nil {
return nil, err
}
// Return operation response
ret := new(TasksListResponse)
if err := s.client.decoder.Decode(res.Body, ret); err != nil {
return nil, err
}
return ret, nil
}