use generic differ for netip.Addr and netip.Prefix

Signed-off-by: bcmmbaga <bethuelmbaga12@gmail.com>
This commit is contained in:
bcmmbaga
2024-10-09 23:49:41 +03:00
parent 9ee08fc441
commit ce7de03d6e
5 changed files with 235 additions and 275 deletions

View File

@@ -1,74 +0,0 @@
package differs
import (
"fmt"
"reflect"
nbdns "github.com/netbirdio/netbird/dns"
"github.com/r3labs/diff"
)
type NameServerComparator struct{}
func NewNameServerComparator() *NameServerComparator {
return &NameServerComparator{}
}
func (d *NameServerComparator) Match(a, b reflect.Value) bool {
return diff.AreType(a, b, reflect.TypeOf(nbdns.NameServer{})) ||
diff.AreType(a, b, reflect.TypeOf([]nbdns.NameServer{}))
}
func (d *NameServerComparator) Diff(cl *diff.Changelog, path []string, a, b reflect.Value) error {
if err := handleInvalidKind(cl, path, a, b); err != nil {
return err
}
if a.Kind() == reflect.Slice && b.Kind() == reflect.Slice {
return handleSliceKind(d, cl, path, a, b)
}
ns1, ok1 := a.Interface().(nbdns.NameServer)
ns2, ok2 := b.Interface().(nbdns.NameServer)
if !ok1 || !ok2 {
return fmt.Errorf("invalid type for NameServer")
}
if ns1.IP.String() != ns2.IP.String() {
cl.Add(diff.UPDATE, append(path, "IP"), ns1.IP.String(), ns2.IP.String())
}
if ns1.NSType != ns2.NSType {
cl.Add(diff.UPDATE, append(path, "NSType"), ns1.NSType, ns2.NSType)
}
if ns1.Port != ns2.Port {
cl.Add(diff.UPDATE, append(path, "Port"), ns1.Port, ns2.Port)
}
return nil
}
func handleInvalidKind(cl *diff.Changelog, path []string, a, b reflect.Value) error {
if a.Kind() == reflect.Invalid {
cl.Add(diff.CREATE, path, nil, b.Interface())
return fmt.Errorf("invalid kind")
}
if b.Kind() == reflect.Invalid {
cl.Add(diff.DELETE, path, a.Interface(), nil)
return fmt.Errorf("invalid kind")
}
return nil
}
func handleSliceKind(comparator diff.ValueDiffer, cl *diff.Changelog, path []string, a, b reflect.Value) error {
if a.Len() != b.Len() {
cl.Add(diff.UPDATE, append(path, "length"), a.Len(), b.Len())
return nil
}
for i := 0; i < min(a.Len(), b.Len()); i++ {
if err := comparator.Diff(cl, append(path, fmt.Sprintf("[%d]", i)), a.Index(i), b.Index(i)); err != nil {
return err
}
}
return nil
}

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@@ -0,0 +1,82 @@
package differs
import (
"fmt"
"net/netip"
"reflect"
"github.com/r3labs/diff/v3"
)
// NetIPAddr is a custom differ for netip.Addr
type NetIPAddr struct {
DiffFunc func(path []string, a, b reflect.Value, p interface{}) error
}
func (differ NetIPAddr) Match(a, b reflect.Value) bool {
return diff.AreType(a, b, reflect.TypeOf(netip.Addr{}))
}
func (differ NetIPAddr) Diff(_ diff.DiffType, _ diff.DiffFunc, cl *diff.Changelog, path []string, a, b reflect.Value, _ interface{}) error {
if a.Kind() == reflect.Invalid {
cl.Add(diff.CREATE, path, nil, b.Interface())
return nil
}
if b.Kind() == reflect.Invalid {
cl.Add(diff.DELETE, path, a.Interface(), nil)
return nil
}
fromAddr, ok1 := a.Interface().(netip.Addr)
toAddr, ok2 := b.Interface().(netip.Addr)
if !ok1 || !ok2 {
return fmt.Errorf("invalid type for netip.Addr")
}
if fromAddr.String() != toAddr.String() {
cl.Add(diff.UPDATE, path, fromAddr.String(), toAddr.String())
}
return nil
}
func (differ NetIPAddr) InsertParentDiffer(dfunc func(path []string, a, b reflect.Value, p interface{}) error) {
differ.DiffFunc = dfunc //nolint
}
// NetIPPrefix is a custom differ for netip.Prefix
type NetIPPrefix struct {
DiffFunc func(path []string, a, b reflect.Value, p interface{}) error
}
func (differ NetIPPrefix) Match(a, b reflect.Value) bool {
return diff.AreType(a, b, reflect.TypeOf(netip.Prefix{}))
}
func (differ NetIPPrefix) Diff(_ diff.DiffType, _ diff.DiffFunc, cl *diff.Changelog, path []string, a, b reflect.Value, _ interface{}) error {
if a.Kind() == reflect.Invalid {
cl.Add(diff.CREATE, path, nil, b.Interface())
return nil
}
if b.Kind() == reflect.Invalid {
cl.Add(diff.DELETE, path, a.Interface(), nil)
return nil
}
fromPrefix, ok1 := a.Interface().(netip.Prefix)
toPrefix, ok2 := b.Interface().(netip.Prefix)
if !ok1 || !ok2 {
return fmt.Errorf("invalid type for netip.Addr")
}
if fromPrefix.String() != toPrefix.String() {
cl.Add(diff.UPDATE, path, fromPrefix.String(), toPrefix.String())
}
return nil
}
func (differ NetIPPrefix) InsertParentDiffer(dfunc func(path []string, a, b reflect.Value, p interface{}) error) {
differ.DiffFunc = dfunc //nolint
}

View File

@@ -1,82 +0,0 @@
package differs
import (
"fmt"
"reflect"
"slices"
nbroute "github.com/netbirdio/netbird/route"
"github.com/r3labs/diff"
)
type RouteComparator struct{}
func NewRouteComparator() *RouteComparator {
return &RouteComparator{}
}
func (d *RouteComparator) Match(a, b reflect.Value) bool {
return diff.AreType(a, b, reflect.TypeOf(&nbroute.Route{})) ||
diff.AreType(a, b, reflect.TypeOf([]*nbroute.Route{}))
}
func (d *RouteComparator) Diff(cl *diff.Changelog, path []string, a, b reflect.Value) error {
if err := handleInvalidKind(cl, path, a, b); err != nil {
return err
}
if a.Kind() == reflect.Slice && b.Kind() == reflect.Slice {
return handleSliceKind(d, cl, path, a, b)
}
route1, ok1 := a.Interface().(*nbroute.Route)
route2, ok2 := b.Interface().(*nbroute.Route)
if !ok1 || !ok2 {
return fmt.Errorf("invalid type for Route")
}
if route1.ID != route2.ID {
cl.Add(diff.UPDATE, append(path, "ID"), route1.ID, route2.ID)
}
if route1.AccountID != route2.AccountID {
cl.Add(diff.UPDATE, append(path, "AccountID"), route1.AccountID, route2.AccountID)
}
if route1.Network.String() != route2.Network.String() {
cl.Add(diff.UPDATE, append(path, "Network"), route1.Network.String(), route2.Network.String())
}
if !slices.Equal(route1.Domains, route2.Domains) {
cl.Add(diff.UPDATE, append(path, "Domains"), route1.Domains, route2.Domains)
}
if route1.KeepRoute != route2.KeepRoute {
cl.Add(diff.UPDATE, append(path, "KeepRoute"), route1.KeepRoute, route2.KeepRoute)
}
if route1.NetID != route2.NetID {
cl.Add(diff.UPDATE, append(path, "NetID"), route1.NetID, route2.NetID)
}
if route1.Description != route2.Description {
cl.Add(diff.UPDATE, append(path, "Description"), route1.Description, route2.Description)
}
if route1.Peer != route2.Peer {
cl.Add(diff.UPDATE, append(path, "Peer"), route1.Peer, route2.Peer)
}
if !slices.Equal(route1.PeerGroups, route2.PeerGroups) {
cl.Add(diff.UPDATE, append(path, "PeerGroups"), route1.PeerGroups, route2.PeerGroups)
}
if route1.NetworkType != route2.NetworkType {
cl.Add(diff.UPDATE, append(path, "NetworkType"), route1.NetworkType, route2.NetworkType)
}
if route1.Masquerade != route2.Masquerade {
cl.Add(diff.UPDATE, append(path, "Masquerade"), route1.Masquerade, route2.Masquerade)
}
if route1.Metric != route2.Metric {
cl.Add(diff.UPDATE, append(path, "Metric"), route1.Metric, route2.Metric)
}
if route1.Enabled != route2.Enabled {
cl.Add(diff.UPDATE, append(path, "Enabled"), route1.Enabled, route2.Enabled)
}
if !slices.Equal(route1.Groups, route2.Groups) {
cl.Add(diff.UPDATE, append(path, "Groups"), route1.Groups, route2.Groups)
}
return nil
}