-
Notifications
You must be signed in to change notification settings - Fork 81
/
loki.go
95 lines (79 loc) · 2.77 KB
/
loki.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
// Copyright 2022 The kubegems.io Authors
//
// 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 lokilog
import (
"context"
"net/url"
"strings"
"kubegems.io/kubegems/pkg/utils/agents"
"kubegems.io/kubegems/pkg/utils/loki"
)
type LokiCli = LogHandler
func (c LokiCli) LokiQuery(ctx context.Context, cluster string, query map[string]string) (*loki.QueryResponseData, error) {
url := formatURL(nil, nil, query, "/custom/loki/v1/query")
ret := &loki.QueryResponseData{}
err := c.query(ctx, cluster, url, ret)
return ret, err
}
func (c LokiCli) LokiQueryRange(ctx context.Context, cluster string, query map[string]string) (*loki.QueryResponseData, error) {
url := formatURL(nil, nil, query, "/custom/loki/v1/queryrange")
ret := &loki.QueryResponseData{}
err := c.query(ctx, cluster, url, ret)
return ret, err
}
func (c LokiCli) LokiLabels(ctx context.Context, cluster string, query map[string]string) ([]string, error) {
url := formatURL(nil, nil, query, "/custom/loki/v1/labels")
ret := []string{}
err := c.query(ctx, cluster, url, &ret)
return ret, err
}
func (c LokiCli) LokiLabelValues(ctx context.Context, cluster string, label string, query map[string]string) ([]string, error) {
query["label"] = label
url := formatURL(nil, nil, query, "/custom/loki/v1/labelvalues")
ret := []string{}
err := c.query(ctx, cluster, url, &ret)
return ret, err
}
func (c LokiCli) LokiSeries(ctx context.Context, cluster string, query map[string]string) (interface{}, error) {
url := formatURL(nil, nil, query, "/custom/loki/v1/series")
ret := []interface{}{}
err := c.query(ctx, cluster, url, &ret)
return ret, err
}
func (c LokiCli) query(ctx context.Context, cluster string, path string, into interface{}) error {
return c.Execute(ctx, cluster, func(ctx context.Context, cli agents.Client) error {
return cli.DoRequest(ctx, agents.Request{
Path: path,
Into: agents.WrappedResponse(into),
})
})
}
func formatURL(args, labelsel, query map[string]string, ptn string) string {
base := ptn
for key, value := range args {
base = strings.ReplaceAll(base, "{"+key+"}", value)
}
qs := url.Values{}
for qk, qv := range labelsel {
qs.Set("labels["+qk+"]", qv)
}
for qk, qv := range query {
qs.Set(qk, qv)
}
u := url.URL{
Path: base,
RawQuery: qs.Encode(),
}
return u.String()
}