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grafana/pkg/services/ngalert/provisioning/config.go

54 lines
1.5 KiB

package provisioning
import (
"context"
"encoding/json"
"fmt"
"github.com/grafana/grafana/pkg/services/ngalert/api/tooling/definitions"
"github.com/grafana/grafana/pkg/services/ngalert/models"
)
func deserializeAlertmanagerConfig(config []byte) (*definitions.PostableUserConfig, error) {
result := definitions.PostableUserConfig{}
if err := json.Unmarshal(config, &result); err != nil {
return nil, fmt.Errorf("failed to deserialize alertmanager configuration: %w", err)
}
return &result, nil
}
func serializeAlertmanagerConfig(config definitions.PostableUserConfig) ([]byte, error) {
return json.Marshal(config)
}
type cfgRevision struct {
cfg *definitions.PostableUserConfig
concurrencyToken string
version string
}
func getLastConfiguration(ctx context.Context, orgID int64, store AMConfigStore) (*cfgRevision, error) {
q := models.GetLatestAlertmanagerConfigurationQuery{
OrgID: orgID,
}
alertManagerConfig, err := store.GetLatestAlertmanagerConfiguration(ctx, &q)
if err != nil {
return nil, err
}
if alertManagerConfig == nil {
return nil, fmt.Errorf("no alertmanager configuration present in this org")
}
concurrencyToken := alertManagerConfig.ConfigurationHash
cfg, err := deserializeAlertmanagerConfig([]byte(alertManagerConfig.AlertmanagerConfiguration))
if err != nil {
return nil, err
}
return &cfgRevision{
cfg: cfg,
concurrencyToken: concurrencyToken,
version: alertManagerConfig.ConfigurationVersion,
}, nil
}