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Code Issues Releases Activity

MSDNS: Adopt diff2 (#2046)

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This commit is contained in:
Tom Limoncelli
2023-02-02 16:53:37 -05:00
committed by GitHub
parent 90a4a3b225
commit f58bab22d6
4 changed files with 101 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
providers/msdns/auditrecords.go
View File

@ -11,21 +11,23 @@ import (
func AuditRecords(records []*models.RecordConfig) []error {
a := rejectif.Auditor{}
a.Add("MX", rejectif.MxNull) // Last verified 2020-12-28
a.Add("MX", rejectif.MxNull) // Last verified 2023-02-02
a.Add("SRV", rejectif.SrvHasNullTarget) // Last verified 2020-12-28
a.Add("SRV", rejectif.SrvHasNullTarget) // Last verified 20-0212-28
a.Add("TXT", rejectif.TxtHasBackticks) // Last verified 2021-03-01
a.Add("TXT", rejectif.TxtHasBackticks) // Last verified 2023-02-02
a.Add("TXT", rejectif.TxtHasDoubleQuotes) // Last verified 2021-03-01
a.Add("TXT", rejectif.TxtHasDoubleQuotes) // Last verified 2023-02-02
a.Add("TXT", rejectif.TxtHasMultipleSegments) // Last verified 2021-03-01
a.Add("TXT", rejectif.TxtHasMultipleSegments) // Last verified 2023-02-02
a.Add("TXT", rejectif.TxtHasSegmentLen256orLonger)
a.Add("TXT", rejectif.TxtHasSegmentLen256orLonger) // Last verified 2023-02-02
a.Add("TXT", rejectif.TxtHasSingleQuotes) // Last verified 2021-03-01
a.Add("TXT", rejectif.TxtHasSingleQuotes) // Last verified 2023-02-02
a.Add("TXT", rejectif.TxtIsEmpty) // Last verified 2021-03-01
a.Add("TXT", rejectif.TxtIsEmpty) // Last verified 2023-02-02
a.Add("TXT", rejectif.TxtIsExactlyLen255) // Last verified 2023-02-02
a.Add("TXT", rejectif.TxtIsExactlyLen255) // Last verified 2023-02-02

63
providers/msdns/corrections.go
View File

@ -1,6 +1,8 @@
package msdns
import (
"fmt"
"github.com/StackExchange/dnscontrol/v3/models"
"github.com/StackExchange/dnscontrol/v3/pkg/diff"
"github.com/StackExchange/dnscontrol/v3/pkg/diff2"
@ -20,10 +22,6 @@ func (client *msdnsProvider) GenerateDomainCorrections(dc *models.DomainConfig,
if !diff2.EnableDiff2 {
differ := diff.New(dc)
_, creates, dels, modifications, err = differ.IncrementalDiff(foundRecords)
} else {
differ := diff.NewCompat(dc)
_, creates, dels, modifications, err = differ.IncrementalDiff(foundRecords)
}
if err != nil {
return nil, err
}
@ -39,7 +37,64 @@ func (client *msdnsProvider) GenerateDomainCorrections(dc *models.DomainConfig,
corrections = append(corrections, client.modifyRec(client.dnsserver, dc.Name, m))
}
return corrections, nil
}
changes, err := diff2.ByRecord(foundRecords, dc, nil)
if err != nil {
return nil, err
}
var corr *models.Correction
for _, change := range changes {
msgsJoined := change.MsgsJoined
switch change.Type {
case diff2.REPORT:
corr = &models.Correction{Msg: msgsJoined}
case diff2.CREATE:
newrec := change.New[0]
corr = &models.Correction{
Msg: msgsJoined,
F: func() error {
return client.createOneRecord(client.dnsserver, dc.Name, newrec)
},
}
case diff2.CHANGE:
oldrec := change.Old[0]
newrec := change.New[0]
corr = &models.Correction{
Msg: msgsJoined,
F: func() error {
return client.modifyOneRecord(client.dnsserver, dc.Name, oldrec, newrec)
},
}
case diff2.DELETE:
oldrec := change.Old[0]
corr = &models.Correction{
Msg: msgsJoined,
F: func() error {
return client.deleteOneRecord(client.dnsserver, dc.Name, oldrec)
},
}
default:
panic(fmt.Sprintf("unhandled change.Type %s", change.Type))
}
corrections = append(corrections, corr)
}
return corrections, nil
}
func (client *msdnsProvider) deleteOneRecord(dnsserver, zonename string, oldrec *models.RecordConfig) error {
return client.shell.RecordDelete(dnsserver, zonename, oldrec)
}
func (client *msdnsProvider) createOneRecord(dnsserver, zonename string, newrec *models.RecordConfig) error {
return client.shell.RecordCreate(dnsserver, zonename, newrec)
}
func (client *msdnsProvider) modifyOneRecord(dnsserver, zonename string, oldrec, newrec *models.RecordConfig) error {
return client.shell.RecordModify(dnsserver, zonename, oldrec, newrec)
}
func (client *msdnsProvider) deleteRec(dnsserver, domainname string, cor diff.Correlation) *models.Correction {

24
providers/msdns/powershell.go
View File

@ -19,6 +19,13 @@ type psHandle struct {
shell ps.Shell
}
// func eLog(s string) {
// f, _ := os.OpenFile("powershell.log", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
// f.WriteString(s)
// f.WriteString("\n")
// f.Close()
// }
func newPowerShell(config map[string]string) (*psHandle, error) {
back := &backend.Local{}
@ -200,8 +207,10 @@ func (psh *psHandle) RecordDelete(dnsserver, domain string, rec *models.RecordCo
c = generatePSDelete(dnsserver, domain, rec)
}
//eLog(c)
_, stderr, err := psh.shell.Execute(c)
if err != nil {
printer.Printf("PowerShell code was:\nSTART\n%s\nEND\n", c)
return err
}
if stderr != "" {
@ -215,7 +224,7 @@ func (psh *psHandle) RecordDelete(dnsserver, domain string, rec *models.RecordCo
func generatePSDelete(dnsserver, domain string, rec *models.RecordConfig) string {
var b bytes.Buffer
fmt.Fprintf(&b, `echo DELETE "%s" "%s" "..."`, rec.Type, rec.Name)
fmt.Fprintf(&b, `echo DELETE "%s" "%s" "[target]"`, rec.Type, rec.Name)
fmt.Fprintf(&b, " ; ")
if rec.Type == "NAPTR" {
@ -229,13 +238,13 @@ func generatePSDelete(dnsserver, domain string, rec *models.RecordConfig) string
fmt.Fprintf(&b, ` -ComputerName "%s"`, dnsserver)
}
fmt.Fprintf(&b, ` -Force`)
fmt.Fprintf(&b, ` -ZoneName "%s"`, domain)
fmt.Fprintf(&b, ` -Name "%s"`, rec.Name)
fmt.Fprintf(&b, ` -ZoneName %q`, domain)
fmt.Fprintf(&b, ` -Name %q`, rec.Name)
fmt.Fprintf(&b, ` -RRType "%s"`, rec.Type)
if rec.Type == "MX" {
fmt.Fprintf(&b, ` -RecordData %d,"%s"`, rec.MxPreference, rec.GetTargetField())
fmt.Fprintf(&b, ` -RecordData %d,%q`, rec.MxPreference, rec.GetTargetField())
} else if rec.Type == "TXT" {
fmt.Fprintf(&b, ` -RecordData %s`, rec.GetTargetField())
fmt.Fprintf(&b, ` -RecordData %q`, rec.GetTargetTXTJoined())
} else if rec.Type == "SRV" {
// https://www.gitmemory.com/issue/MicrosoftDocs/windows-powershell-docs/1149/511916884
fmt.Fprintf(&b, ` -RecordData %d,%d,%d,"%s"`, rec.SrvPriority, rec.SrvWeight, rec.SrvPort, rec.GetTargetField())
@ -257,6 +266,7 @@ func (psh *psHandle) RecordCreate(dnsserver, domain string, rec *models.RecordCo
//printer.Printf("DEBUG: PScreate\n")
}
//eLog(c)
stdout, stderr, err := psh.shell.Execute(c)
if err != nil {
printer.Printf("PowerShell code was:\nSTART\n%s\nEND\n", c)
@ -265,6 +275,7 @@ func (psh *psHandle) RecordCreate(dnsserver, domain string, rec *models.RecordCo
if stderr != "" {
printer.Printf("STDOUT RecordCreate = %s\n", stdout)
printer.Printf("STDERROR RecordCreate = %q\n", stderr)
printer.Printf("PowerShell code was:\nSTART\n%s\nEND\n", c)
return fmt.Errorf("unexpected stderr from PSCreate: %q", stderr)
}
return nil
@ -272,7 +283,7 @@ func (psh *psHandle) RecordCreate(dnsserver, domain string, rec *models.RecordCo
func generatePSCreate(dnsserver, domain string, rec *models.RecordConfig) string {
var b bytes.Buffer
fmt.Fprintf(&b, `echo CREATE "%s" "%s" "..."`, rec.Type, rec.Name)
fmt.Fprintf(&b, `echo CREATE "%s" "%s" "[target]"`, rec.Type, rec.Name)
fmt.Fprintf(&b, " ; ")
if rec.Type == "NAPTR" {
@ -339,6 +350,7 @@ func generatePSCreate(dnsserver, domain string, rec *models.RecordConfig) string
func (psh *psHandle) RecordModify(dnsserver, domain string, old, rec *models.RecordConfig) error {
c := generatePSModify(dnsserver, domain, old, rec)
//eLog(c)
_, stderr, err := psh.shell.Execute(c)
if err != nil {
printer.Printf("PowerShell code was:\nSTART\n%s\nEND\n", c)

8
providers/msdns/powershell_test.go
View File

@ -146,16 +146,16 @@ func Test_generatePSModify(t *testing.T) {
want string
}{
{name: "A", args: args{domain: "example.com", dnsserver: "", old: recA1, rec: recA2},
want: `echo DELETE "A" "@" "..." ; Remove-DnsServerResourceRecord -Force -ZoneName "example.com" -Name "@" -RRType "A" -RecordData "1.2.3.4" ; echo CREATE "A" "@" "..." ; Add-DnsServerResourceRecord -ZoneName "example.com" -Name "@" -TimeToLive $(New-TimeSpan -Seconds 0) -A -IPv4Address "10.20.30.40"`,
want: `echo DELETE "A" "@" "[target]" ; Remove-DnsServerResourceRecord -Force -ZoneName "example.com" -Name "@" -RRType "A" -RecordData "1.2.3.4" ; echo CREATE "A" "@" "[target]" ; Add-DnsServerResourceRecord -ZoneName "example.com" -Name "@" -TimeToLive $(New-TimeSpan -Seconds 0) -A -IPv4Address "10.20.30.40"`,
},
{name: "MX1", args: args{domain: "example.com", dnsserver: "", old: recMX1, rec: recMX2},
want: `echo DELETE "MX" "@" "..." ; Remove-DnsServerResourceRecord -Force -ZoneName "example.com" -Name "@" -RRType "MX" -RecordData 5,"foo.com." ; echo CREATE "MX" "@" "..." ; Add-DnsServerResourceRecord -ZoneName "example.com" -Name "@" -TimeToLive $(New-TimeSpan -Seconds 0) -MX -MailExchange "foo2.com." -Preference 50`,
want: `echo DELETE "MX" "@" "[target]" ; Remove-DnsServerResourceRecord -Force -ZoneName "example.com" -Name "@" -RRType "MX" -RecordData 5,"foo.com." ; echo CREATE "MX" "@" "[target]" ; Add-DnsServerResourceRecord -ZoneName "example.com" -Name "@" -TimeToLive $(New-TimeSpan -Seconds 0) -MX -MailExchange "foo2.com." -Preference 50`,
},
{name: "A-remote", args: args{domain: "example.com", dnsserver: "myremote", old: recA1, rec: recA2},
want: `echo DELETE "A" "@" "..." ; Remove-DnsServerResourceRecord -ComputerName "myremote" -Force -ZoneName "example.com" -Name "@" -RRType "A" -RecordData "1.2.3.4" ; echo CREATE "A" "@" "..." ; Add-DnsServerResourceRecord -ComputerName "myremote" -ZoneName "example.com" -Name "@" -TimeToLive $(New-TimeSpan -Seconds 0) -A -IPv4Address "10.20.30.40"`,
want: `echo DELETE "A" "@" "[target]" ; Remove-DnsServerResourceRecord -ComputerName "myremote" -Force -ZoneName "example.com" -Name "@" -RRType "A" -RecordData "1.2.3.4" ; echo CREATE "A" "@" "[target]" ; Add-DnsServerResourceRecord -ComputerName "myremote" -ZoneName "example.com" -Name "@" -TimeToLive $(New-TimeSpan -Seconds 0) -A -IPv4Address "10.20.30.40"`,
},
{name: "MX1-remote", args: args{domain: "example.com", dnsserver: "yourremote", old: recMX1, rec: recMX2},
want: `echo DELETE "MX" "@" "..." ; Remove-DnsServerResourceRecord -ComputerName "yourremote" -Force -ZoneName "example.com" -Name "@" -RRType "MX" -RecordData 5,"foo.com." ; echo CREATE "MX" "@" "..." ; Add-DnsServerResourceRecord -ComputerName "yourremote" -ZoneName "example.com" -Name "@" -TimeToLive $(New-TimeSpan -Seconds 0) -MX -MailExchange "foo2.com." -Preference 50`,
want: `echo DELETE "MX" "@" "[target]" ; Remove-DnsServerResourceRecord -ComputerName "yourremote" -Force -ZoneName "example.com" -Name "@" -RRType "MX" -RecordData 5,"foo.com." ; echo CREATE "MX" "@" "[target]" ; Add-DnsServerResourceRecord -ComputerName "yourremote" -ZoneName "example.com" -Name "@" -TimeToLive $(New-TimeSpan -Seconds 0) -MX -MailExchange "foo2.com." -Preference 50`,
},
}
for _, tt := range tests {