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chore: add informer util (#3796)

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Charles-Edouard Brétéché 2022-05-04 14:39:14 +02:00 • committed by GitHub
parent 0a783bdc7d
commit 288125ebd0
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3 changed files with 35 additions and 14 deletions
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10
Makefile
View file

@ -59,7 +59,7 @@ PWD := $(CURDIR)
INITC_PATH := cmd/initContainer
INITC_IMAGE := kyvernopre
initContainer: fmt vet
GOOS=$(GOOS) go build -o $(PWD)/$(INITC_PATH)/kyvernopre -ldflags=$(LD_FLAGS) $(PWD)/$(INITC_PATH)/main.go
GOOS=$(GOOS) go build -o $(PWD)/$(INITC_PATH)/kyvernopre -ldflags=$(LD_FLAGS) $(PWD)/$(INITC_PATH)
.PHONY: docker-build-initContainer docker-push-initContainer
@ -84,7 +84,7 @@ docker-get-initContainer-digest:
@docker buildx imagetools inspect --raw $(REPO)/$(INITC_IMAGE):$(IMAGE_TAG) | perl -pe 'chomp if eof' | openssl dgst -sha256 | sed 's/^.* //'
docker-build-initContainer-local:
CGO_ENABLED=0 GOOS=linux go build -o $(PWD)/$(INITC_PATH)/kyvernopre -ldflags=$(LD_FLAGS) $(PWD)/$(INITC_PATH)/main.go
CGO_ENABLED=0 GOOS=linux go build -o $(PWD)/$(INITC_PATH)/kyvernopre -ldflags=$(LD_FLAGS) $(PWD)/$(INITC_PATH)
@docker build -f $(PWD)/$(INITC_PATH)/localDockerfile -t $(REPO)/$(INITC_IMAGE):$(IMAGE_TAG_DEV) $(PWD)/$(INITC_PATH)
@docker tag $(REPO)/$(INITC_IMAGE):$(IMAGE_TAG_DEV) $(REPO)/$(INITC_IMAGE):latest
@ -111,7 +111,7 @@ local:
go build -ldflags=$(LD_FLAGS) $(PWD)/$(CLI_PATH)
kyverno: fmt vet
GOOS=$(GOOS) go build -o $(PWD)/$(KYVERNO_PATH)/kyverno -ldflags=$(LD_FLAGS) $(PWD)/$(KYVERNO_PATH)/main.go
GOOS=$(GOOS) go build -o $(PWD)/$(KYVERNO_PATH)/kyverno -ldflags=$(LD_FLAGS) $(PWD)/$(KYVERNO_PATH)
docker-publish-kyverno: docker-buildx-builder docker-build-kyverno docker-push-kyverno
@ -119,7 +119,7 @@ docker-build-kyverno: docker-buildx-builder
@docker buildx build --file $(PWD)/$(KYVERNO_PATH)/Dockerfile --progress plane --platform linux/arm64,linux/amd64,linux/s390x --tag $(REPO)/$(KYVERNO_IMAGE):$(IMAGE_TAG) . --build-arg LD_FLAGS=$(LD_FLAGS)
docker-build-kyverno-local:
CGO_ENABLED=0 GOOS=linux go build -o $(PWD)/$(KYVERNO_PATH)/kyverno -ldflags=$(LD_FLAGS_DEV) $(PWD)/$(KYVERNO_PATH)/main.go
CGO_ENABLED=0 GOOS=linux go build -o $(PWD)/$(KYVERNO_PATH)/kyverno -ldflags=$(LD_FLAGS_DEV) $(PWD)/$(KYVERNO_PATH)
@docker build -f $(PWD)/$(KYVERNO_PATH)/localDockerfile -t $(REPO)/$(KYVERNO_IMAGE):$(IMAGE_TAG_DEV) -t $(REPO)/$(KYVERNO_IMAGE):latest $(PWD)/$(KYVERNO_PATH)
@docker tag $(REPO)/$(KYVERNO_IMAGE):$(IMAGE_TAG_DEV) $(REPO)/$(KYVERNO_IMAGE):$(IMAGE_TAG_LATEST_DEV)-latest
@ -174,7 +174,7 @@ CLI_PATH := cmd/cli/kubectl-kyverno
KYVERNO_CLI_IMAGE := kyverno-cli
cli:
GOOS=$(GOOS) go build -o $(PWD)/$(CLI_PATH)/kyverno -ldflags=$(LD_FLAGS) $(PWD)/$(CLI_PATH)/main.go
GOOS=$(GOOS) go build -o $(PWD)/$(CLI_PATH)/kyverno -ldflags=$(LD_FLAGS) $(PWD)/$(CLI_PATH)
docker-publish-cli: docker-buildx-builder docker-build-cli docker-push-cli

28
cmd/kyverno/informer.go Normal file
View file

@ -0,0 +1,28 @@
package main
import (
"reflect"
)
// TODO: eventually move this in an util package
type informer interface {
Start(stopCh <-chan struct{})
WaitForCacheSync(stopCh <-chan struct{}) map[reflect.Type]bool
}
func startInformers(stopCh <-chan struct{}, informers ...informer) {
for i := range informers {
informers[i].Start(stopCh)
}
}
func waitForCacheSync(stopCh <-chan struct{}, informers ...informer) {
for i := range informers {
informers[i].WaitForCacheSync(stopCh)
}
}
func startInformersAndWaitForCacheSync(stopCh <-chan struct{}, informers ...informer) {
startInformers(stopCh, informers...)
waitForCacheSync(stopCh, informers...)
}

11
cmd/kyverno/main.go
View file

@ -343,9 +343,7 @@ func main() {
registerWrapperRetry := common.RetryFunc(time.Second, webhookRegistrationTimeout, webhookCfg.Register, "failed to register webhook", setupLog)
registerWebhookConfigurations := func() {
certManager.InitTLSPemPair()
kyvernoInformer.WaitForCacheSync(stopCh)
kubeInformer.WaitForCacheSync(stopCh)
kubeKyvernoInformer.WaitForCacheSync(stopCh)
waitForCacheSync(stopCh, kyvernoInformer, kubeInformer, kubeKyvernoInformer)
// validate the ConfigMap format
if err := webhookCfg.ValidateWebhookConfigurations(config.KyvernoNamespace, configData.GetInitConfigMapName()); err != nil {
@ -459,12 +457,7 @@ func main() {
os.Exit(1)
}
kyvernoInformer.Start(stopCh)
kubeInformer.Start(stopCh)
kubeKyvernoInformer.Start(stopCh)
kyvernoInformer.WaitForCacheSync(stopCh)
kubeInformer.WaitForCacheSync(stopCh)
kubeKyvernoInformer.WaitForCacheSync(stopCh)
startInformersAndWaitForCacheSync(stopCh, kyvernoInformer, kubeInformer, kubeKyvernoInformer)
pCacheController.CheckPolicySync(stopCh)