Merge pull request #51 from uswitch/feat/lifecycleSleep

Add support for `lifecycle.preStop.Sleep` and bump dependencies

Author: MatteoMori8

.github/workflows/push.yaml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: "1.20"
+          go-version: "1.23"
       - run: make test
 
   build:
@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: "1.20"
+          go-version: "1.23"
       - run: make bin/vault-webhook-linux-amd64
       - uses: actions/upload-artifact@v4
         with:

.tool-versions

@@ -1 +1 @@
-golang 1.20
+golang 1.23

controller.go

@@ -22,7 +22,15 @@ type bindingAggregator struct {
 func NewListWatch(client *webhookclient.Clientset) *bindingAggregator {
 	binder := &bindingAggregator{}
 	watcher := cache.NewListWatchFromClient(client.VaultwebhookV1alpha1().RESTClient(), "databasecredentialbindings", "", fields.Everything())
-	binder.store, binder.controller = cache.NewIndexerInformer(watcher, &v1alpha1.DatabaseCredentialBinding{}, time.Minute, binder, cache.Indexers{})
+
+	informerOptions := cache.InformerOptions{
+		ListerWatcher: watcher,
+		ObjectType:    &v1alpha1.DatabaseCredentialBinding{},
+		Handler:       binder,
+		ResyncPeriod:  time.Minute,
+		Indexers:      cache.Indexers{},
+	}
+	binder.store, binder.controller = cache.NewInformerWithOptions(informerOptions)
 	cacheSize := prometheus.NewCounterFunc(
 		prometheus.CounterOpts{
 			Name: "database_credential_binding_cache_size",
@@ -34,7 +42,8 @@ func NewListWatch(client *webhookclient.Clientset) *bindingAggregator {
 	return binder
 }
 
-func (b *bindingAggregator) OnAdd(obj interface{}) {
+// https://pkg.go.dev/k8s.io/client-go/tools/cache#ResourceEventHandler
+func (b *bindingAggregator) OnAdd(obj interface{}, isInInitialList bool) {
 	log.Debugf("adding %+v", obj)
 }
 

crd.yaml

@@ -41,15 +41,26 @@ spec:
                         preStop:
                           description: This hook is called immediately before a container is terminated due to an API request or management event such as a liveness/startup probe failure, preemption, resource contention and others
                           type: object
+                          oneOf:
+                          - required: ["exec"]
+                          - required: ["sleep"]
                           properties:
                             exec:
                               description: Executes a specific command, inside the cgroups and namespaces of the Container.
                               type: object
                               properties:
                                 command:
                                   type: array
+                                  minItems: 1
                                   items:
                                     type: string
+                            sleep:
+                              description: Pauses the container for a specified duration..
+                              type: object
+                              properties:
+                                seconds:
+                                  type: integer
+                                  minimum: 1
   names:
     kind: DatabaseCredentialBinding
     plural: databasecredentialbindings

go.mod

@@ -1,74 +1,76 @@
 module github.com/uswitch/vault-webhook
 
-go 1.20
+go 1.23.0
+
+toolchain go1.23.6
 
 require (
-	github.com/prometheus/client_golang v1.15.1
-	github.com/sirupsen/logrus v1.9.0
+	github.com/prometheus/client_golang v1.20.5
+	github.com/sirupsen/logrus v1.9.3
 	gopkg.in/alecthomas/kingpin.v2 v2.2.6
 	gopkg.in/fsnotify.v1 v1.4.7
-	k8s.io/api v0.24.15
-	k8s.io/apimachinery v0.24.15
-	k8s.io/client-go v0.24.15
-	k8s.io/code-generator v0.24.15
-	sigs.k8s.io/controller-runtime v0.12.3
+	k8s.io/api v0.32.2
+	k8s.io/apimachinery v0.32.2
+	k8s.io/client-go v0.32.2
+	k8s.io/code-generator v0.32.2
+	sigs.k8s.io/controller-runtime v0.20.2
 )
 
 require (
 	github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 // indirect
-	github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137 // indirect
+	github.com/alecthomas/units v0.0.0-20240927000941-0f3dac36c52b // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cespare/xxhash/v2 v2.2.0 // indirect
-	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/emicklei/go-restful/v3 v3.9.0 // indirect
-	github.com/evanphx/json-patch v4.12.0+incompatible // indirect
-	github.com/fsnotify/fsnotify v1.6.0 // indirect
-	github.com/go-logr/logr v1.2.4 // indirect
-	github.com/go-openapi/jsonpointer v0.19.6 // indirect
-	github.com/go-openapi/jsonreference v0.20.1 // indirect
-	github.com/go-openapi/swag v0.22.3 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
+	github.com/emicklei/go-restful/v3 v3.12.1 // indirect
+	github.com/evanphx/json-patch v5.9.11+incompatible // indirect
+	github.com/evanphx/json-patch/v5 v5.9.11 // indirect
+	github.com/fsnotify/fsnotify v1.8.0 // indirect
+	github.com/fxamacker/cbor/v2 v2.7.0 // indirect
+	github.com/go-logr/logr v1.4.2 // indirect
+	github.com/go-openapi/jsonpointer v0.21.0 // indirect
+	github.com/go-openapi/jsonreference v0.21.0 // indirect
+	github.com/go-openapi/swag v0.23.0 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
-	github.com/golang/protobuf v1.5.3 // indirect
-	github.com/google/gnostic v0.5.7-v3refs // indirect
-	github.com/google/go-cmp v0.5.9 // indirect
-	github.com/google/gofuzz v1.1.0 // indirect
-	github.com/google/uuid v1.3.0 // indirect
-	github.com/imdario/mergo v0.3.12 // indirect
+	github.com/golang/protobuf v1.5.4 // indirect
+	github.com/google/btree v1.1.3 // indirect
+	github.com/google/gnostic-models v0.6.9 // indirect
+	github.com/google/go-cmp v0.6.0 // indirect
+	github.com/google/gofuzz v1.2.0 // indirect
+	github.com/google/uuid v1.6.0 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/mailru/easyjson v0.7.7 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
+	github.com/klauspost/compress v1.17.11 // indirect
+	github.com/mailru/easyjson v0.9.0 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
-	github.com/prometheus/client_model v0.4.0 // indirect
-	github.com/prometheus/common v0.42.0 // indirect
-	github.com/prometheus/procfs v0.9.0 // indirect
-	github.com/rogpeppe/go-internal v1.11.0 // indirect
-	github.com/spf13/pflag v1.0.5 // indirect
-	golang.org/x/mod v0.10.0 // indirect
-	golang.org/x/net v0.10.0 // indirect
-	golang.org/x/oauth2 v0.5.0 // indirect
-	golang.org/x/sys v0.8.0 // indirect
-	golang.org/x/term v0.8.0 // indirect
-	golang.org/x/text v0.9.0 // indirect
-	golang.org/x/time v0.3.0 // indirect
-	golang.org/x/tools v0.9.1 // indirect
-	gomodules.xyz/jsonpatch/v2 v2.3.0 // indirect
-	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/protobuf v1.30.0 // indirect
+	github.com/prometheus/client_model v0.6.1 // indirect
+	github.com/prometheus/common v0.62.0 // indirect
+	github.com/prometheus/procfs v0.15.1 // indirect
+	github.com/spf13/pflag v1.0.6 // indirect
+	github.com/x448/float16 v0.8.4 // indirect
+	golang.org/x/mod v0.21.0 // indirect
+	golang.org/x/net v0.35.0 // indirect
+	golang.org/x/oauth2 v0.26.0 // indirect
+	golang.org/x/sync v0.11.0 // indirect
+	golang.org/x/sys v0.30.0 // indirect
+	golang.org/x/term v0.29.0 // indirect
+	golang.org/x/text v0.22.0 // indirect
+	golang.org/x/time v0.10.0 // indirect
+	golang.org/x/tools v0.26.0 // indirect
+	gomodules.xyz/jsonpatch/v2 v2.4.0 // indirect
+	google.golang.org/protobuf v1.36.5 // indirect
+	gopkg.in/evanphx/json-patch.v4 v4.12.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
-	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	k8s.io/apiextensions-apiserver v0.24.15 // indirect
-	k8s.io/component-base v0.24.15 // indirect
-	k8s.io/gengo v0.0.0-20220902162205-c0856e24416d // indirect
-	k8s.io/klog/v2 v2.90.1 // indirect
-	k8s.io/kube-openapi v0.0.0-20230501164219-8b0f38b5fd1f // indirect
-	k8s.io/utils v0.0.0-20230209194617-a36077c30491 // indirect
-	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
-	sigs.k8s.io/structured-merge-diff/v4 v4.2.3 // indirect
-	sigs.k8s.io/yaml v1.3.0 // indirect
-)
+	k8s.io/apiextensions-apiserver v0.32.2 // indirect
+	k8s.io/gengo/v2 v2.0.0-20240911193312-2b36238f13e9 // indirect
+	k8s.io/klog/v2 v2.130.1 // indirect
+	k8s.io/kube-openapi v0.0.0-20241212222426-2c72e554b1e7 // indirect
+	k8s.io/utils v0.0.0-20241210054802-24370beab758 // indirect
+	sigs.k8s.io/json v0.0.0-20241014173422-cfa47c3a1cc8 // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.5.0 // indirect
+	sigs.k8s.io/yaml v1.4.0 // indirect
+)