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audit_dao.go
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audit_dao.go
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/*
Copyright 2014 Outbrain Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package inst
import (
"fmt"
"github.com/outbrain/golib/log"
"github.com/outbrain/golib/sqlutils"
"github.com/outbrain/orchestrator/go/config"
"github.com/outbrain/orchestrator/go/db"
"os"
"time"
)
// AuditOperation creates and writes a new audit entry by given params
func AuditOperation(auditType string, instanceKey *InstanceKey, message string) error {
if instanceKey == nil {
instanceKey = &InstanceKey{}
}
if config.Config.AuditLogFile != "" {
f, err := os.OpenFile(config.Config.AuditLogFile, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0600)
if err != nil {
return log.Errore(err)
}
defer f.Close()
text := fmt.Sprintf("%s\t%s\t%s\t%d\t%s\t\n", time.Now().Format(log.TimeFormat), auditType, instanceKey.Hostname, instanceKey.Port, message)
if _, err = f.WriteString(text); err != nil {
return log.Errore(err)
}
}
db, err := db.OpenOrchestrator()
if err != nil {
return log.Errore(err)
}
_, err = sqlutils.Exec(db, `
insert
into audit (
audit_timestamp, audit_type, hostname, port, message
) VALUES (
NOW(), ?, ?, ?, ?
)
`,
auditType,
instanceKey.Hostname,
instanceKey.Port,
message,
)
if err != nil {
return log.Errore(err)
}
return err
}
// ReadRecentAudit returns a list of audit entries order chronologically descending, using page number.
func ReadRecentAudit(page int) ([]Audit, error) {
res := []Audit{}
query := fmt.Sprintf(`
select
audit_id,
audit_timestamp,
audit_type,
hostname,
port,
message
from
audit
order by
audit_timestamp desc
limit %d
offset %d
`, config.Config.AuditPageSize, page*config.Config.AuditPageSize)
db, err := db.OpenOrchestrator()
if err != nil {
goto Cleanup
}
err = sqlutils.QueryRowsMap(db, query, func(m sqlutils.RowMap) error {
audit := Audit{}
audit.AuditId = m.GetInt64("audit_id")
audit.AuditTimestamp = m.GetString("audit_timestamp")
audit.AuditType = m.GetString("audit_type")
audit.AuditInstanceKey.Hostname = m.GetString("hostname")
audit.AuditInstanceKey.Port = m.GetInt("port")
audit.Message = m.GetString("message")
res = append(res, audit)
return err
})
Cleanup:
if err != nil {
log.Errore(err)
}
return res, err
}