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logger.go
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logger.go
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package logger
import (
"context"
"time"
dnsr "github.com/miekg/dns"
"github.com/zalgonoise/x/dns/health"
"github.com/zalgonoise/x/dns/service"
"github.com/zalgonoise/x/dns/store"
"github.com/zalgonoise/zlog/log"
"github.com/zalgonoise/zlog/log/event"
)
// LoggedService will wrap a service.Service with a logger and
// register the incoming events, as well as their outcome
type LoggedService struct {
svc service.Service
logger log.Logger
}
// LogService will return a LoggedService in the form of a service.Service,
// by wraping an input service.Service `svc` with log.Logger `logger`
func LogService(svc service.Service, logger log.Logger) service.Service {
return &LoggedService{
svc: svc,
logger: logger,
}
}
// AddRecord uses the store.Repository to create a DNS Record
func (s *LoggedService) AddRecord(ctx context.Context, r *store.Record) error {
s.logger.Log(event.New().
Level(event.Level_debug).
Prefix("service").
Sub("records").
Message("AddRecord request").
Metadata(event.Field{
"input": r,
}).
Build())
err := s.svc.AddRecord(ctx, r)
if err != nil {
s.logger.Log(event.New().
Level(event.Level_warn).
Prefix("service").
Sub("records").
Message("AddRecord error").
Metadata(event.Field{
"error": err.Error(),
}).
Build())
return err
}
s.logger.Log(event.New().
Level(event.Level_debug).
Prefix("service").
Sub("records").
Message("AddRecord success").
Build())
return nil
}
// AddRecords uses the store.Repository to create a set of DNS Records
func (s *LoggedService) AddRecords(ctx context.Context, rs ...*store.Record) error {
s.logger.Log(event.New().
Level(event.Level_debug).
Prefix("service").
Sub("records").
Message("AddRecords request").
Metadata(event.Field{
"input": rs,
"len": len(rs),
}).
Build())
err := s.svc.AddRecords(ctx, rs...)
if err != nil {
s.logger.Log(event.New().
Level(event.Level_warn).
Prefix("service").
Sub("records").
Message("AddRecords error").
Metadata(event.Field{
"error": err.Error(),
}).
Build())
return err
}
s.logger.Log(event.New().
Level(event.Level_debug).
Prefix("service").
Sub("records").
Message("AddRecords success").
Build())
return nil
}
// ListRecord uses the store.Repository to return all DNS Records
func (s *LoggedService) ListRecords(ctx context.Context) ([]*store.Record, error) {
s.logger.Log(event.New().
Level(event.Level_debug).
Prefix("service").
Sub("records").
Message("ListRecords request").
Build())
rs, err := s.svc.ListRecords(ctx)
if err != nil {
s.logger.Log(event.New().
Level(event.Level_warn).
Prefix("service").
Sub("records").
Message("ListRecords error").
Metadata(event.Field{
"error": err.Error(),
}).
Build())
return rs, err
}
s.logger.Log(event.New().
Level(event.Level_debug).
Prefix("service").
Sub("records").
Message("ListRecords success").
Metadata(event.Field{
"output": rs,
"len": len(rs),
}).
Build())
return rs, nil
}
// GetRecordByDomain uses the store.Repository to return the DNS Record associated with
// the domain name and record type found in store.Record `r`
func (s *LoggedService) GetRecordByTypeAndDomain(ctx context.Context, rtype, domain string) (*store.Record, error) {
s.logger.Log(event.New().
Level(event.Level_debug).
Prefix("service").
Sub("records").
Message("GetRecordByDomain request").
Metadata(event.Field{
"input": map[string]string{
"type": rtype,
"domain": domain,
},
}).
Build())
out, err := s.svc.GetRecordByTypeAndDomain(ctx, rtype, domain)
if err != nil {
s.logger.Log(event.New().
Level(event.Level_warn).
Prefix("service").
Sub("records").
Message("GetRecordByDomain error").
Metadata(event.Field{
"error": err.Error(),
}).
Build())
return out, err
}
s.logger.Log(event.New().
Level(event.Level_debug).
Prefix("service").
Sub("records").
Message("GetRecordByDomain success").
Metadata(event.Field{
"output": out,
}).
Build())
return out, nil
}
// GetRecordByDomain uses the store.Repository to return the DNS Records associated with
// the IP address found in store.Record `r`
func (s *LoggedService) GetRecordByAddress(ctx context.Context, address string) ([]*store.Record, error) {
s.logger.Log(event.New().
Level(event.Level_debug).
Prefix("service").
Sub("records").
Message("GetRecordByAddress request").
Metadata(event.Field{
"input": address,
}).
Build())
rs, err := s.svc.GetRecordByAddress(ctx, address)
if err != nil {
s.logger.Log(event.New().
Level(event.Level_warn).
Prefix("service").
Sub("records").
Message("GetRecordByAddress error").
Metadata(event.Field{
"error": err.Error(),
}).
Build())
return rs, err
}
s.logger.Log(event.New().
Level(event.Level_debug).
Prefix("service").
Sub("records").
Message("GetRecordByAddress success").
Metadata(event.Field{
"output": rs,
"len": len(rs),
}).
Build())
return rs, nil
}
// UpdateRecord uses the store.Repository to update the record with domain name `domain`,
// based on the data provided in store.Record `r`
func (s *LoggedService) UpdateRecord(ctx context.Context, domain string, r *store.Record) error {
s.logger.Log(event.New().
Level(event.Level_debug).
Prefix("service").
Sub("records").
Message("UpdateRecord request").
Metadata(event.Field{
"target": domain,
"input": r,
}).
Build())
err := s.svc.UpdateRecord(ctx, domain, r)
if err != nil {
s.logger.Log(event.New().
Level(event.Level_warn).
Prefix("service").
Sub("records").
Message("UpdateRecord error").
Metadata(event.Field{
"error": err.Error(),
}).
Build())
return err
}
s.logger.Log(event.New().
Level(event.Level_debug).
Prefix("service").
Sub("records").
Message("UpdateRecord success").
Build())
return nil
}
// DeleteRecord uses the store.Repository to remove the store.Record based on input `r`
func (s *LoggedService) DeleteRecord(ctx context.Context, r *store.Record) error {
s.logger.Log(event.New().
Level(event.Level_debug).
Prefix("service").
Sub("records").
Message("DeleteRecord request").
Metadata(event.Field{
"input": r,
}).
Build())
err := s.svc.DeleteRecord(ctx, r)
if err != nil {
s.logger.Log(event.New().
Level(event.Level_warn).
Prefix("service").
Sub("records").
Message("DeleteRecord error").
Metadata(event.Field{
"error": err.Error(),
}).
Build())
return err
}
s.logger.Log(event.New().
Level(event.Level_debug).
Prefix("service").
Sub("records").
Message("DeleteRecord success").
Build())
return nil
}
// AnswerDNS uses the dns.Repository to reply to the dns.Msg `m` with the answer
// in store.Record `r`
func (s *LoggedService) AnswerDNS(r *store.Record, m *dnsr.Msg) {
s.logger.Log(event.New().
Level(event.Level_debug).
Prefix("service").
Sub("dns").
Message("AnswerDNS request").
Build())
s.svc.AnswerDNS(r, m)
go func() {
time.Sleep(5 * time.Millisecond)
s.logger.Log(event.New().
Level(event.Level_debug).
Prefix("service").
Sub("dns").
Message("AnswerDNS response").
Metadata(event.Field{
"output": r,
}).
Build())
}()
}
// StoreHealth uses the health.Repository to generate a health.StoreReport
func (s *LoggedService) StoreHealth() *health.StoreReport {
s.logger.Log(event.New().
Level(event.Level_debug).
Prefix("service").
Sub("health").
Message("StoreHealth request").
Build())
r := s.svc.StoreHealth()
go func() {
time.Sleep(5 * time.Millisecond)
s.logger.Log(event.New().
Level(event.Level_debug).
Prefix("service").
Sub("health").
Message("StoreHealth response").
Metadata(event.Field{
"output": r,
}).
Build())
}()
return r
}
// DNSHealth uses the health.Repository to generate a health.DNSReport
func (s *LoggedService) DNSHealth() *health.DNSReport {
s.logger.Log(event.New().
Level(event.Level_debug).
Prefix("service").
Sub("health").
Message("DNSHealth request").
Build())
r := s.svc.DNSHealth()
go func() {
time.Sleep(5 * time.Millisecond)
s.logger.Log(event.New().
Level(event.Level_debug).
Prefix("service").
Sub("health").
Message("DNSHealth response").
Metadata(event.Field{
"output": r,
}).
Build())
}()
return r
}
// HTTPHealth uses the health.Repository to generate a health.HTTPReport
func (s *LoggedService) HTTPHealth() *health.HTTPReport {
s.logger.Log(event.New().
Level(event.Level_debug).
Prefix("service").
Sub("health").
Message("HTTPHealth request").
Build())
r := s.svc.HTTPHealth()
go func() {
time.Sleep(5 * time.Millisecond)
s.logger.Log(event.New().
Level(event.Level_debug).
Prefix("service").
Sub("health").
Message("HTTPHealth response").
Metadata(event.Field{
"output": r,
}).
Build())
}()
return r
}
// Health uses the health.Repository to generate a health.Report
func (s *LoggedService) Health() *health.Report {
s.logger.Log(event.New().
Level(event.Level_debug).
Prefix("service").
Sub("health").
Message("MergeHealth request").
Build())
r := s.svc.Health()
go func() {
time.Sleep(5 * time.Millisecond)
s.logger.Log(event.New().
Level(event.Level_debug).
Prefix("service").
Sub("health").
Message("MergeHealth response").
Metadata(event.Field{
"output": r,
}).
Build())
}()
return r
}