/
config.go
48 lines (36 loc) · 1.38 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
package kubernetes
import (
"github.com/kelseyhightower/envconfig"
"github.com/davidhiendl/telegraf-docker-sd/app/config"
"os"
"path/filepath"
"github.com/sirupsen/logrus"
)
type KubernetesConfigSpec struct {
AutoConfPrefix string `envconfig:"AUTO_CONF_PREFIX",default:"kubernetes_"`
NodeNameOverride string `envconfig:"NODE_NAME_OVERRIDE"`
TagNamespace bool `envconfig:"TAG_NAMESPACE" default:"true"`
TagPodName bool `envconfig:"TAG_POD_NAME" default:"true"`
TagLabelsWhitelistStr string `envconfig:"TAG_LABELS_WHITELIST"`
TagLabelsBlacklistStr string `envconfig:"TAG_LABELS_BLACKLIST"`
TagLabelsWhitelist []string `ignored:"true"`
TagLabelsBlacklist []string `ignored:"true"`
KubeConfig string `envconfig:"KUBE_CONFIG"`
}
func LoadConfig() *KubernetesConfigSpec {
cfg := &KubernetesConfigSpec{}
err := envconfig.Process("TSD_KUBERNETES", cfg)
if err != nil {
logrus.Fatalf(LOG_PREFIX+" failed to parse config: %v", err)
}
// convert list to array
cfg.TagLabelsWhitelist = config.ConfigListToArray(cfg.TagLabelsWhitelistStr)
cfg.TagLabelsBlacklist = config.ConfigListToArray(cfg.TagLabelsBlacklistStr)
if len(cfg.TagLabelsWhitelist) > 0 && len(cfg.TagLabelsBlacklist) > 0 {
logrus.Fatalf(LOG_PREFIX+" cannot have label whitelist and blacklist", err)
}
if len(cfg.KubeConfig) <= 0 {
cfg.KubeConfig = filepath.Join(os.Getenv("HOME"), ".kube", "config")
}
return cfg
}