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
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
// SPDX-License-Identifier: GPL-3.0-or-later
package confgroup
import (
"fmt"
"net/url"
"regexp"
"strings"
"github.com/netdata/netdata/go/go.d.plugin/agent/hostinfo"
"github.com/netdata/netdata/go/go.d.plugin/agent/module"
"github.com/ilyam8/hashstructure"
"gopkg.in/yaml.v2"
)
const (
keyName = "name"
keyModule = "module"
keyUpdateEvery = "update_every"
keyDetectRetry = "autodetection_retry"
keyPriority = "priority"
keyLabels = "labels"
keyVnode = "vnode"
ikeySource = "__source__"
ikeySourceType = "__source_type__"
ikeyProvider = "__provider__"
)
const (
TypeStock = "stock"
TypeUser = "user"
TypeDiscovered = "discovered"
TypeDyncfg = "dyncfg"
)
type Config map[string]any
func (c Config) HashIncludeMap(_ string, k, _ any) (bool, error) {
s := k.(string)
return !(strings.HasPrefix(s, "__") || strings.HasSuffix(s, "__")), nil
}
func (c Config) Set(key string, value any) Config { c[key] = value; return c }
func (c Config) Get(key string) any { return c[key] }
func (c Config) Name() string { v, _ := c.Get(keyName).(string); return v }
func (c Config) Module() string { v, _ := c.Get(keyModule).(string); return v }
func (c Config) FullName() string { return fullName(c.Name(), c.Module()) }
func (c Config) UpdateEvery() int { v, _ := c.Get(keyUpdateEvery).(int); return v }
func (c Config) AutoDetectionRetry() int { v, _ := c.Get(keyDetectRetry).(int); return v }
func (c Config) Priority() int { v, _ := c.Get(keyPriority).(int); return v }
func (c Config) Labels() map[any]any { v, _ := c.Get(keyLabels).(map[any]any); return v }
func (c Config) Hash() uint64 { return calcHash(c) }
func (c Config) Vnode() string { v, _ := c.Get(keyVnode).(string); return v }
func (c Config) SetName(v string) Config { return c.Set(keyName, v) }
func (c Config) SetModule(v string) Config { return c.Set(keyModule, v) }
func (c Config) UID() string {
return fmt.Sprintf("%s_%s_%s_%s_%d", c.SourceType(), c.Provider(), c.Source(), c.FullName(), c.Hash())
}
func (c Config) Source() string { v, _ := c.Get(ikeySource).(string); return v }
func (c Config) SourceType() string { v, _ := c.Get(ikeySourceType).(string); return v }
func (c Config) Provider() string { v, _ := c.Get(ikeyProvider).(string); return v }
func (c Config) SetSource(v string) Config { return c.Set(ikeySource, v) }
func (c Config) SetSourceType(v string) Config { return c.Set(ikeySourceType, v) }
func (c Config) SetProvider(v string) Config { return c.Set(ikeyProvider, v) }
func (c Config) SourceTypePriority() int {
switch c.SourceType() {
default:
return 0
case TypeStock:
return 2
case TypeDiscovered:
return 4
case TypeUser:
return 8
case TypeDyncfg:
return 16
}
}
func (c Config) Clone() (Config, error) {
type plain Config
bytes, err := yaml.Marshal((plain)(c))
if err != nil {
return nil, err
}
var newConfig Config
if err := yaml.Unmarshal(bytes, &newConfig); err != nil {
return nil, err
}
return newConfig, nil
}
func (c Config) ApplyDefaults(def Default) {
if c.UpdateEvery() <= 0 {
v := firstPositive(def.UpdateEvery, module.UpdateEvery)
c.Set("update_every", v)
}
if c.AutoDetectionRetry() <= 0 {
v := firstPositive(def.AutoDetectionRetry, module.AutoDetectionRetry)
c.Set("autodetection_retry", v)
}
if c.Priority() <= 0 {
v := firstPositive(def.Priority, module.Priority)
c.Set("priority", v)
}
if c.UpdateEvery() < def.MinUpdateEvery && def.MinUpdateEvery > 0 {
c.Set("update_every", def.MinUpdateEvery)
}
if c.Name() == "" {
c.Set("name", c.Module())
} else {
c.Set("name", cleanName(jobNameResolveHostname(c.Name())))
}
if v, ok := c.Get("url").(string); ok {
c.Set("url", urlResolveHostname(v))
}
}
var reInvalidCharacters = regexp.MustCompile(`\s+|\.+`)
func cleanName(name string) string {
return reInvalidCharacters.ReplaceAllString(name, "_")
}
func fullName(name, module string) string {
if name == module {
return name
}
return module + "_" + name
}
func calcHash(obj any) uint64 {
hash, _ := hashstructure.Hash(obj, nil)
return hash
}
func firstPositive(value int, others ...int) int {
if value > 0 || len(others) == 0 {
return value
}
return firstPositive(others[0], others[1:]...)
}
func urlResolveHostname(rawURL string) string {
if hostinfo.Hostname == "" || !strings.Contains(rawURL, "hostname") {
return rawURL
}
u, err := url.Parse(rawURL)
if err != nil || (u.Hostname() != "hostname" && !strings.Contains(u.Hostname(), "hostname.")) {
return rawURL
}
u.Host = strings.Replace(u.Host, "hostname", hostinfo.Hostname, 1)
return u.String()
}
func jobNameResolveHostname(name string) string {
if hostinfo.Hostname == "" || !strings.Contains(name, "hostname") {
return name
}
if name != "hostname" && !strings.HasPrefix(name, "hostname.") && !strings.HasPrefix(name, "hostname_") {
return name
}
return strings.Replace(name, "hostname", hostinfo.Hostname, 1)
}
|
