VictoriaMetrics/lib/promscrape/discovery/ec2/ec2.go

54 lines
2.0 KiB
Go

package ec2
import (
"flag"
"fmt"
"time"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/awsapi"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/promauth"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutils"
)
// SDCheckInterval defines interval for targets refresh.
var SDCheckInterval = flag.Duration("promscrape.ec2SDCheckInterval", time.Minute, "Interval for checking for changes in ec2. "+
"This works only if ec2_sd_configs is configured in '-promscrape.config' file. "+
"See https://docs.victoriametrics.com/sd_configs/#ec2_sd_configs for details")
// SDConfig represents service discovery config for ec2.
//
// See https://prometheus.io/docs/prometheus/latest/configuration/configuration/#ec2_sd_config
type SDConfig struct {
Region string `yaml:"region,omitempty"`
Endpoint string `yaml:"endpoint,omitempty"`
STSEndpoint string `yaml:"sts_endpoint,omitempty"`
AccessKey string `yaml:"access_key,omitempty"`
SecretKey *promauth.Secret `yaml:"secret_key,omitempty"`
// TODO add support for Profile, not working atm
// Profile string `yaml:"profile,omitempty"`
RoleARN string `yaml:"role_arn,omitempty"`
// RefreshInterval time.Duration `yaml:"refresh_interval"`
// refresh_interval is obtained from `-promscrape.ec2SDCheckInterval` command-line option.
Port *int `yaml:"port,omitempty"`
InstanceFilters []awsapi.Filter `yaml:"filters,omitempty"`
AZFilters []awsapi.Filter `yaml:"az_filters,omitempty"`
}
// GetLabels returns ec2 labels according to sdc.
func (sdc *SDConfig) GetLabels(_ string) ([]*promutils.Labels, error) {
cfg, err := getAPIConfig(sdc)
if err != nil {
return nil, fmt.Errorf("cannot get API config: %w", err)
}
ms, err := getInstancesLabels(cfg)
if err != nil {
return nil, fmt.Errorf("error when fetching instances data from EC2: %w", err)
}
return ms, nil
}
// MustStop stops further usage for sdc.
func (sdc *SDConfig) MustStop() {
configMap.Delete(sdc)
}