VictoriaMetrics/lib/promscrape/discovery/openstack/openstack.go

61 lines
2.7 KiB
Go

package openstack
import (
"flag"
"fmt"
"time"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/promauth"
)
// SDCheckInterval defines interval for targets refresh.
var SDCheckInterval = flag.Duration("promscrape.openstackSDCheckInterval", 30*time.Second, "Interval for checking for changes in openstack API server. "+
"This works only if openstack_sd_configs is configured in '-promscrape.config' file. "+
"See https://prometheus.io/docs/prometheus/latest/configuration/configuration/#openstack_sd_config for details")
// SDConfig is the configuration for OpenStack based service discovery.
//
// See https://prometheus.io/docs/prometheus/latest/configuration/configuration/#openstack_sd_config
type SDConfig struct {
IdentityEndpoint string `yaml:"identity_endpoint,omitempty"`
Username string `yaml:"username,omitempty"`
UserID string `yaml:"userid,omitempty"`
Password *promauth.Secret `yaml:"password,omitempty"`
ProjectName string `yaml:"project_name,omitempty"`
ProjectID string `yaml:"project_id,omitempty"`
DomainName string `yaml:"domain_name,omitempty"`
DomainID string `yaml:"domain_id,omitempty"`
ApplicationCredentialName string `yaml:"application_credential_name,omitempty"`
ApplicationCredentialID string `yaml:"application_credential_id,omitempty"`
ApplicationCredentialSecret *promauth.Secret `yaml:"application_credential_secret,omitempty"`
Role string `yaml:"role"`
Region string `yaml:"region"`
// RefreshInterval time.Duration `yaml:"refresh_interval"`
// refresh_interval is obtained from `-promscrape.openstackSDCheckInterval` command-line option.
Port int `yaml:"port,omitempty"`
AllTenants bool `yaml:"all_tenants,omitempty"`
TLSConfig *promauth.TLSConfig `yaml:"tls_config,omitempty"`
Availability string `yaml:"availability,omitempty"`
}
// GetLabels returns OpenStack labels according to sdc.
func (sdc *SDConfig) GetLabels(baseDir string) ([]map[string]string, error) {
cfg, err := getAPIConfig(sdc, baseDir)
if err != nil {
return nil, fmt.Errorf("cannot get API config: %w", err)
}
switch sdc.Role {
case "hypervisor":
return getHypervisorLabels(cfg)
case "instance":
return getInstancesLabels(cfg)
default:
return nil, fmt.Errorf("unexpected `role`: %q; must be one of `instance` or `hypervisor`; skipping it", sdc.Role)
}
}
// MustStop stops further usage for sdc.
func (sdc *SDConfig) MustStop() {
configMap.Delete(sdc)
}