crowdsec/pkg/sqlite/sqlite.go
2020-06-26 10:09:23 +02:00

90 lines
2.3 KiB
Go

package sqlite
import (
"fmt"
"strconv"
"sync"
"time"
"github.com/crowdsecurity/crowdsec/pkg/types"
log "github.com/sirupsen/logrus"
"github.com/jinzhu/gorm"
_ "github.com/jinzhu/gorm/dialects/sqlite"
_ "github.com/mattn/go-sqlite3"
"gopkg.in/tomb.v2"
)
type Context struct {
Db *gorm.DB //Pointer to sqlite db
tx *gorm.DB //Pointer to current transaction (flushed on a regular basis)
lastCommit time.Time
flush bool
count int32
lock sync.Mutex //booboo
PusherTomb tomb.Tomb
//to manage auto cleanup : max number of records *or* oldest
maxEventRetention int
maxDurationRetention time.Duration
}
func NewSQLite(cfg map[string]string) (*Context, error) {
var err error
c := &Context{}
if v, ok := cfg["max_records"]; ok {
c.maxEventRetention, err = strconv.Atoi(v)
if err != nil {
log.Errorf("Ignoring invalid max_records '%s' : %s", v, err)
}
}
if v, ok := cfg["max_records_duration"]; ok {
c.maxDurationRetention, err = time.ParseDuration(v)
if err != nil {
log.Errorf("Ignoring invalid duration '%s' : %s", v, err)
}
}
log.Warningf("NEW SQLITE : %+v", cfg)
if _, ok := cfg["db_path"]; !ok {
return nil, fmt.Errorf("please specify a 'db_path' to SQLite db in the configuration")
}
if cfg["db_path"] == "" {
return nil, fmt.Errorf("please specify a 'db_path' to SQLite db in the configuration")
}
c.Db, err = gorm.Open("sqlite3", cfg["db_path"]+"?_busy_timeout=1000")
if err != nil {
return nil, fmt.Errorf("failed to open %s : %s", cfg["db_path"], err)
}
if val, ok := cfg["debug"]; ok && val == "true" {
log.Infof("Enabling debug for sqlite")
c.Db.LogMode(true)
}
c.flush, _ = strconv.ParseBool(cfg["flush"])
// Migrate the schema
c.Db.AutoMigrate(&types.EventSequence{}, &types.SignalOccurence{}, &types.BanApplication{})
c.Db.Model(&types.SignalOccurence{}).Related(&types.EventSequence{})
c.Db.Model(&types.SignalOccurence{}).Related(&types.BanApplication{})
c.tx = c.Db.Begin()
c.lastCommit = time.Now()
ret := c.tx.Commit()
if ret.Error != nil {
return nil, fmt.Errorf("failed to commit records : %v", ret.Error)
}
c.tx = c.Db.Begin()
if c.tx == nil {
return nil, fmt.Errorf("failed to begin sqlite transac : %s", err)
}
//random attempt
//c.maxEventRetention = 100
c.PusherTomb.Go(func() error {
c.AutoCommit()
return nil
})
return c, nil
}