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chore(update): simplify shouldUpdateRecord functions

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- `shouldUpdateRecordNoLookup`
- `shouldUpdateRecordWithLookup`
This commit is contained in:
Quentin McGaw
2024-01-25 15:55:23 +00:00
parent 115ce8faac
commit 481321b5d3
2 changed files with 30 additions and 46 deletions
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9
internal/update/helpers.go
View File

@@ -3,8 +3,17 @@ package update
import (
"fmt"
"net/netip"
"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
)
func ipVersionToIPKind(version ipversion.IPVersion) (kind string) {
if version == ipversion.IP4or6 {
return "IP"
}
return version.String()
}
func (r *Runner) logDebugNoLookupSkip(hostname, ipKind string, lastIP, ip netip.Addr) {
r.logger.Debug(fmt.Sprintf("Last %s address stored for %s is %s and your %s address"+
" is %s, skipping update", ipKind, hostname, lastIP, ipKind, ip))

67
internal/update/service.go
View File

@@ -155,40 +155,27 @@ func (r *Runner) shouldUpdateRecord(ctx context.Context, record librecords.Recor
hostname := record.Provider.BuildDomainName()
ipVersion := record.Provider.IPVersion()
publicIP := getIPMatchingVersion(ip, ipv4, ipv6, ipVersion)
if record.Provider.Proxied() {
lastIP := record.History.GetCurrentIP() // can be nil
return r.shouldUpdateRecordNoLookup(hostname, ipVersion, lastIP, ip, ipv4, ipv6)
return r.shouldUpdateRecordNoLookup(hostname, ipVersion, lastIP, publicIP)
}
return r.shouldUpdateRecordWithLookup(ctx, hostname, ipVersion, ip, ipv4, ipv6, ipv6MaskBits)
return r.shouldUpdateRecordWithLookup(ctx, hostname, ipVersion, publicIP, ipv6MaskBits)
}
func (r *Runner) shouldUpdateRecordNoLookup(hostname string, ipVersion ipversion.IPVersion,
lastIP, ip, ipv4, ipv6 netip.Addr) (update bool) {
switch ipVersion {
case ipversion.IP4or6:
if ip.IsValid() && ip.Compare(lastIP) != 0 {
r.logInfoNoLookupUpdate(hostname, "IP", lastIP, ip)
return true
}
r.logDebugNoLookupSkip(hostname, "IP", lastIP, ip)
case ipversion.IP4:
if ipv4.IsValid() && ipv4.Compare(lastIP) != 0 {
r.logInfoNoLookupUpdate(hostname, "IPv4", lastIP, ipv4)
return true
}
r.logDebugNoLookupSkip(hostname, "IPv4", lastIP, ipv4)
case ipversion.IP6:
if ipv6.IsValid() && ipv6.Compare(lastIP) != 0 {
r.logInfoNoLookupUpdate(hostname, "IPv6", lastIP, ipv6)
return true
}
r.logDebugNoLookupSkip(hostname, "IPv6", lastIP, ipv6)
lastIP, publicIP netip.Addr) (update bool) {
ipKind := ipVersionToIPKind(ipVersion)
if publicIP.IsValid() && publicIP.Compare(lastIP) != 0 {
r.logInfoNoLookupUpdate(hostname, ipKind, lastIP, publicIP)
return true
}
r.logDebugNoLookupSkip(hostname, ipKind, lastIP, publicIP)
return false
}
func (r *Runner) shouldUpdateRecordWithLookup(ctx context.Context, hostname string, ipVersion ipversion.IPVersion,
ip, ipv4, ipv6 netip.Addr, ipv6MaskBits uint8) (update bool) {
publicIP netip.Addr, ipv6MaskBits uint8) (update bool) {
const tries = 5
recordIPv4, recordIPv6, err := r.lookupIPsResilient(ctx, hostname, tries)
if err != nil {
@@ -205,30 +192,18 @@ func (r *Runner) shouldUpdateRecordWithLookup(ctx context.Context, hostname stri
recordIPv6 = mustMaskIPv6(recordIPv6, ipv6MaskBits)
}
switch ipVersion {
case ipversion.IP4or6:
recordIP := recordIPv4
if ip.Is6() {
recordIP = recordIPv6
}
if ip.IsValid() && ip.Compare(recordIPv4) != 0 && ip.Compare(recordIPv6) != 0 {
r.logInfoLookupUpdate(hostname, "IP", recordIP, ip)
return true
}
r.logDebugLookupSkip(hostname, "IP", recordIP, ip)
case ipversion.IP4:
if ipv4.IsValid() && ipv4.Compare(recordIPv4) != 0 {
r.logInfoLookupUpdate(hostname, "IPv4", recordIPv4, ipv4)
return true
}
r.logDebugLookupSkip(hostname, "IPv4", recordIPv4, ipv4)
case ipversion.IP6:
if ipv6.IsValid() && ipv6.Compare(recordIPv6) != 0 {
r.logInfoLookupUpdate(hostname, "IPv6", recordIPv6, ipv6)
return true
}
r.logDebugLookupSkip(hostname, "IPv6", recordIPv6, ipv6)
ipKind := ipVersionToIPKind(ipVersion)
recordIP := recordIPv4
if publicIP.Is6() {
recordIP = recordIPv6
}
recordIP = getIPMatchingVersion(recordIP, recordIPv4, recordIPv6, ipVersion)
if publicIP.IsValid() && publicIP.Compare(recordIP) != 0 {
r.logInfoLookupUpdate(hostname, ipKind, recordIP, publicIP)
return true
}
r.logDebugLookupSkip(hostname, ipKind, recordIP, publicIP)
return false
}