feat: Added object.Hash (#105)

Author: ellistarn

go.mod

@@ -17,6 +17,7 @@ require (
 	k8s.io/apimachinery v0.31.2
 	k8s.io/client-go v0.31.2
 	k8s.io/klog/v2 v2.130.1
+	k8s.io/kubernetes v1.31.3
 	k8s.io/utils v0.0.0-20240711033017-18e509b52bc8
 	sigs.k8s.io/controller-runtime v0.19.1
 	sigs.k8s.io/yaml v1.4.0

go.sum

@@ -190,6 +190,8 @@ k8s.io/klog/v2 v2.130.1 h1:n9Xl7H1Xvksem4KFG4PYbdQCQxqc/tTUyrgXaOhHSzk=
 k8s.io/klog/v2 v2.130.1/go.mod h1:3Jpz1GvMt720eyJH1ckRHK1EDfpxISzJ7I9OYgaDtPE=
 k8s.io/kube-openapi v0.0.0-20240228011516-70dd3763d340 h1:BZqlfIlq5YbRMFko6/PM7FjZpUb45WallggurYhKGag=
 k8s.io/kube-openapi v0.0.0-20240228011516-70dd3763d340/go.mod h1:yD4MZYeKMBwQKVht279WycxKyM84kkAx2DPrTXaeb98=
+k8s.io/kubernetes v1.31.3 h1:oqb7HdfnTelrGlZ6ziNugvQ/L/aJWR704114EAhUn9Q=
+k8s.io/kubernetes v1.31.3/go.mod h1:9xmT2buyTYj8TRKwRae7FcuY8k5+xlxv7VivvO0KKfs=
 k8s.io/utils v0.0.0-20240711033017-18e509b52bc8 h1:pUdcCO1Lk/tbT5ztQWOBi5HBgbBP1J8+AsQnQCKsi8A=
 k8s.io/utils v0.0.0-20240711033017-18e509b52bc8/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
 sigs.k8s.io/controller-runtime v0.19.1 h1:Son+Q40+Be3QWb+niBXAg2vFiYWolDjjRfO8hn/cxOk=

object/object.go

@@ -2,13 +2,16 @@ package object
 
 import (
 	"fmt"
+	"hash/fnv"
 	"reflect"
+	"strconv"
 
 	"github.com/samber/lo"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"
 	"k8s.io/apimachinery/pkg/types"
 	"k8s.io/client-go/kubernetes/scheme"
+	"k8s.io/kubernetes/pkg/util/hash"
 	"sigs.k8s.io/controller-runtime/pkg/client"
 	"sigs.k8s.io/controller-runtime/pkg/client/apiutil"
 	"sigs.k8s.io/yaml"
@@ -50,3 +53,9 @@ func Unmarshal[T any](raw []byte) *T {
 	lo.Must0(yaml.Unmarshal(raw, &t))
 	return &t
 }
+
+func Hash(o any) string {
+	h := fnv.New64a()
+	hash.DeepHashObject(h, o)
+	return strconv.FormatUint(uint64(h.Sum64()), 10)
+}