forked from open-telemetry/opentelemetry-collector-contrib
-
Notifications
You must be signed in to change notification settings - Fork 0
/
config.go
102 lines (82 loc) · 3.39 KB
/
config.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
// Copyright The OpenTelemetry 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:https://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 lokiexporter // import "github.com/open-telemetry/opentelemetry-collector-contrib/exporter/lokiexporter"
import (
"fmt"
"net/url"
"go.opentelemetry.io/collector/config/confighttp"
"go.opentelemetry.io/collector/exporter/exporterhelper"
)
// Config defines configuration for Loki exporter.
type Config struct {
confighttp.HTTPClientSettings `mapstructure:",squash"` // squash ensures fields are correctly decoded in embedded struct.
exporterhelper.QueueSettings `mapstructure:"sending_queue"`
exporterhelper.RetrySettings `mapstructure:"retry_on_failure"`
// TenantID defines the tenant ID to associate log streams with.
// Deprecated: [v0.57.0] use the attribute processor to add a `loki.tenant` hint.
// See this component's documentation for more information on how to specify the hint.
TenantID *string `mapstructure:"tenant_id"`
// Labels defines how labels should be applied to log streams sent to Loki.
// Deprecated: [v0.57.0] use the attribute processor to add a `loki.attribute.labels` hint.
// See this component's documentation for more information on how to specify the hint.
Labels *LabelsConfig `mapstructure:"labels"`
// Allows you to choose the entry format in the exporter.
// Deprecated: [v0.57.0] Only the JSON format will be supported in the future. If you rely on the
// "body" format and can't change to JSON, let us know before v0.59.0 by opening a GitHub issue
// and we'll work with you to find a solution.
Format *string `mapstructure:"format"`
// Tenant defines how to obtain the tenant ID
// Deprecated: [v0.57.0] use the attribute processor to add a `loki.tenant` hint.
// See this component's documentation for more information on how to specify the hint.
Tenant *Tenant `mapstructure:"tenant"`
}
func (c *Config) Validate() error {
if err := c.QueueSettings.Validate(); err != nil {
return fmt.Errorf("queue settings has invalid configuration: %w", err)
}
if _, err := url.Parse(c.Endpoint); c.Endpoint == "" || err != nil {
return fmt.Errorf("\"endpoint\" must be a valid URL")
}
// further validation is needed only if we are in legacy mode
if !c.isLegacy() {
return nil
}
if c.Tenant != nil {
if c.Tenant.Source != "attributes" && c.Tenant.Source != "context" && c.Tenant.Source != "static" {
return fmt.Errorf("invalid tenant source, must be one of 'attributes', 'context', 'static', but is %s", c.Tenant.Source)
}
if c.TenantID != nil && *c.TenantID != "" {
return fmt.Errorf("both tenant_id and tenant were specified, use only 'tenant' instead")
}
}
if c.Labels != nil {
return c.Labels.validate()
}
return nil
}
func (c *Config) isLegacy() bool {
if c.Format != nil && *c.Format == "body" {
return true
}
if c.Labels != nil {
return true
}
if c.Tenant != nil {
return true
}
if c.TenantID != nil {
return true
}
return false
}