/
service.go
216 lines (182 loc) · 5.26 KB
/
service.go
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package auditlog
import (
"context"
"crypto/x509"
"fmt"
"io"
"net/http"
"github.com/Laisky/errors/v2"
gutils "github.com/Laisky/go-utils/v4"
"github.com/Laisky/go-utils/v4/json"
glog "github.com/Laisky/go-utils/v4/log"
auditProto "github.com/Laisky/protocols/proto/auditlog/v1"
"github.com/Laisky/zap"
"go.mongodb.org/mongo-driver/bson"
mongoLib "go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
"google.golang.org/protobuf/proto"
"github.com/Laisky/go-ramjet/library/log"
)
var (
httpcli *http.Client
)
func init() {
var err error
if httpcli, err = gutils.NewHTTPClient(); err != nil {
log.Logger.Panic("new http client", zap.Error(err))
}
}
type service struct {
logger glog.Logger
db *AuditDB
rootcaPool *x509.CertPool
alertPusher *glog.Alert
}
// newService new auditlog service
func newService(logger glog.Logger,
db *AuditDB,
rootcaPool *x509.CertPool,
alertPusher *glog.Alert,
) (*service, error) {
return &service{
logger: logger,
db: db,
rootcaPool: rootcaPool,
alertPusher: alertPusher,
}, nil
}
// SaveLog save log to db
func (s *service) SaveLog(ctx context.Context, logEnt *Log) (err error) {
if err = logEnt.ValidFormat(); err != nil {
return errors.Wrap(err, "invalid log")
}
logEnt.Verified = false
if s.rootcaPool != nil {
if err = logEnt.ValidRootCA(s.rootcaPool); err == nil {
logEnt.Verified = true
}
}
if _, err = s.db.logCol().InsertOne(ctx, logEnt); err != nil {
return errors.Wrap(err, "insert log")
}
s.logger.Debug("save log", zap.String("log", logEnt.UUID))
return nil
}
// ListLogs list all logs
func (s *service) ListLogs(ctx context.Context,
deployEnv string,
) ([]Log, error) {
filter := bson.M{}
if deployEnv != "" {
filter["deploy_env"] = deployEnv
}
logs := make([]Log, 0)
cur, err := s.db.logCol().Find(ctx, filter,
options.Find().SetLimit(100),
options.Find().SetSort(map[string]int{"_id": -1}),
)
if err != nil {
return nil, errors.Wrap(err, "find logs")
}
if err = cur.All(ctx, &logs); err != nil {
return nil, errors.Wrap(err, "get logs")
}
return logs, nil
}
type clusterFingerprintTask struct {
LastVersion uint32 `json:"last_version"`
}
func (s *service) checkClunterFingerprint(ctx context.Context, furl string) error {
logger := s.logger.Named("cluster_fingerprint")
logger.Debug("run", zap.String("url", furl))
// download cluster fingerprint file
req, err := http.NewRequestWithContext(ctx, http.MethodGet, furl, nil)
if err != nil {
return errors.Wrapf(err, "download cluster fingerprint from %s", furl)
}
resp, err := httpcli.Do(req) //nolint: bodyclose
if err != nil {
return errors.Wrapf(err, "download cluster fingerprint from %s", furl)
}
defer gutils.LogErr(resp.Body.Close, s.logger)
filecnt, err := io.ReadAll(resp.Body)
if err != nil {
return errors.Wrapf(err, "download cluster fingerprint from %s", furl)
}
data := new(auditProto.ClusterFingerprint)
if err = proto.Unmarshal(filecnt, data); err != nil {
return errors.Wrapf(err, "download cluster fingerprint from %s", furl)
}
// load latest saved version
task := new(Task)
taskData := new(clusterFingerprintTask)
if err = s.db.taskCol().FindOne(ctx,
bson.M{"type": string(TaskTypeClusterFingerprint)}).
Decode(task); err != nil {
if errors.Is(err, mongoLib.ErrNoDocuments) {
task = &Task{
Type: TaskTypeClusterFingerprint,
}
} else {
return errors.Wrap(err, "find task")
}
} else if err = json.UnmarshalFromString(task.Data, taskData); err != nil {
return errors.Wrap(err, "unmarshal task data")
}
// check version must be monotonically increasing
if taskData.LastVersion > data.Version {
errMsg := fmt.Sprintf(
"[fingerprint check] cluster fingerprint version %d < last version %d",
data.Version, taskData.LastVersion)
if err = s.alertPusher.Send(errMsg); err != nil {
logger.Error("send alert", zap.Error(err))
}
return errors.Errorf(errMsg)
}
// save task
taskData.LastVersion = data.Version
if task.Data, err = json.MarshalToString(taskData); err != nil {
return errors.Wrap(err, "marshal task data")
}
if _, err = s.db.taskCol().UpdateOne(ctx,
bson.M{"type": string(TaskTypeClusterFingerprint)},
bson.M{"$set": task},
options.Update().SetUpsert(true),
); err != nil {
return errors.Wrap(err, "update task")
}
logger.Debug("succeed check cluster fingerprint",
zap.Uint32("version", data.Version),
)
return nil
}
// SaveNormalLog save log to db
func (s *service) SaveNormalLog(ctx context.Context, logEnt map[string]any) (err error) {
ret, err := s.db.normalLogCol().InsertOne(ctx, logEnt)
if err != nil {
return errors.Wrap(err, "insert normal log")
}
s.logger.Debug("save normal log", zap.Any("log", ret.InsertedID))
return nil
}
// ListNormalLogs list all logs
func (s *service) ListNormalLogs(ctx context.Context,
deployEnv string,
) ([]bson.M, error) {
filter := bson.M{}
if deployEnv != "" {
filter["deploy_env"] = deployEnv
}
logs := make([]bson.M, 0)
cur, err := s.db.normalLogCol().Find(ctx, filter,
options.Find().SetLimit(200),
options.Find().SetSort(map[string]int{"_id": -1}),
)
if err != nil {
return nil, errors.Wrap(err, "find normal logs")
}
if err = cur.All(ctx, &logs); err != nil {
return nil, errors.Wrap(err, "get normal logs")
}
return logs, nil
}