预期行为
不应显示声明的警告。
实际行为
每次我做出更改并触发重新部署时,我都会收到一个错误,比如:
WARN[0064]图像[gcr.io/wired-benefit-XXXXX/demoapp]未被部署使用
然而,图像是随着更新的更改而修改的,所以我不确定错误是什么,
信息
- Skafold版本:版本。。。v1.15.0
- 操作系统:。。。MacOS Catilina 10.15.16
- skaffold.yaml的内容:
apiVersion: skaffold/v2beta8
kind: Config
metadata:
name: demoapp
build:
artifacts:
- image: gcr.io/wired-benefit-293406/demoapp
deploy:
kubectl:
manifests:
- k8*.yml
K8s舱单内容:
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
app: demoapp
name: demoapp
namespace: default
spec:
replicas: 1
selector:
matchLabels:
app: demoapp
strategy:
rollingUpdate:
maxSurge: 25%
maxUnavailable: 25%
type: RollingUpdate
template:
metadata:
labels:
app: demoapp
spec:
containers:
- image: gcr.io/wired-benefit-293406/demoapp
imagePullPolicy: IfNotPresent
name: demoapp
restartPolicy: Always
apiVersion: v1
kind: Service
metadata:
labels:
app: demoapp
name: demoapp-svc
spec:
ports:
- port: 80
protocol: TCP
targetPort: 3000
selector:
app: demoapp
type: LoadBalancer
apiVersion: autoscaling/v1
kind: HorizontalPodAutoscaler
metadata:
name: demoapp
spec:
maxReplicas: 5
minReplicas: 1
scaleTargetRef:
apiVersion: apps/v1
kind: Deployment
name: demoapp
targetCPUUtilizationPercentage: 80
重现行为的步骤
- 一个非常基本的入门演示应用程序
skaffold dev
- 任何更改。。。skaffold成功构建docker,甚至将其推向注册中心
但是,这些变化并没有得到反映。可能是与标记相关的问题。当我手动将部署的映像名称设置为最新时,应用程序更改就起作用了。
正如我在评论中所说:
您的
K8S manifests
是一个包含Deployment
、Service
和HPA
的单个文件吗?我完全按照粘贴的方式运行(遇到了相同的警告(,并且它在资源之间缺少---
。
具体谈到Content of K8s manifests
中包含的内容,此文件在资源之间缺少三个短划线(---)
。
它可以通过以下方式修复:
- 拆分多个文件中的资源(通过遵循
skaffold.yaml
及其模板k8*.yml
(:k8s-deployment.yaml
k8s-service.yaml
k8s-hpa.yaml
- 在CCD_ 15中的每个资源之间添加CCD_ 14(示例(:
DEPLOYMENT
---
SERVICE
---
HPA
您可以通过以下StackOverflow答案在YAML文件中阅读更多关于---
的信息:
- Stackoverlow.com:为什么在yaml文件中有--(3个短划线/连字符(
至于再现。我使用了官方入门指南:
- Skafold.dev:文档:快速启动
我将Content of K8s manifests
复制到k8s-pod.yaml
中,并更改了行(该文件在资源之间没有---
(:
- image: gcr.io/PROJECT-NAME/demoapp
使用以下命令运行:
$ skaffold dev
Listing files to watch...
- gcr.io/PROJECT-NAME/demoapp
Generating tags...
- gcr.io/PROJECT-NAME/demoapp -> gcr.io/PROJECT-NAME/demoapp:<--REDACTED-->
Checking cache...
- gcr.io/PROJECT-NAME/demoapp: Not found. Building
Building [gcr.io/PROJECT-NAME/demoapp]...
Sending build context to Docker daemon 3.072kB
<--REDACTED-->
<--REDACTED-->: Pushed
<--REDACTED-->: Layer already exists
<--REDACTED-->: digest: <--REDACTED--> size: 739
Tags used in deployment:
- gcr.io/PROJECT-NAME/demoapp -> gcr.io/PROJECT-NAME/demoapp:<--REDACTED-->
Starting deploy...
WARN[0023] image [gcr.io/PROJECT-NAME/demoapp] is not used by the deployment
- horizontalpodautoscaler.autoscaling/demoapp created
Waiting for deployments to stabilize...
Deployments stabilized in 198.216977ms
Press Ctrl+C to exit
Watching for changes...
专注于:
WARN[0023] image [gcr.io/PROJECT-NAME/demoapp] is not used by the deployment
- horizontalpodautoscaler.autoscaling/demoapp created
如您所见,仅创建了HPA
对象。未创建CCD_ 22和CCD_。它也显示出与你相同的警告。
运行
$ kubectl apply -f k8s-pod.yaml
将产生相同的结果!
编辑k8s-pod.yaml
文件以包含---
并再次运行$ skaffold dev
应该会产生类似于下面的输出:
Listing files to watch...
- gcr.io/PROJECT-NAME/demoapp
Generating tags...
- gcr.io/PROJECT-NAME/demoapp -> gcr.io/PROJECT-NAME/<--REDACTED-->
Checking cache...
- gcr.io/PROJECT-NAME/demoapp: Not found. Building
<--REDACTED-->
<--REDACTED-->: Pushed
<--REDACTED-->: Layer already exists
<--REDACTED-->: digest: <--REDACTED--> size: 739
Tags used in deployment:
- gcr.io/PROJECT-NAME/demoapp -> gcr.io/PROJECT-NAME/demoapp:<--REDACTED-->
Starting deploy...
- deployment.apps/demoapp created
- service/demoapp-svc created
- horizontalpodautoscaler.autoscaling/demoapp created
Waiting for deployments to stabilize...
- deployment/demoapp is ready.
Deployments stabilized in 5.450197785s
Press Ctrl+C to exit
Watching for changes...
[demoapp] Hello World with ---!
[demoapp] Hello World with ---!
[demoapp] Hello World with ---!
正如您在上面看到的,所有资源都已创建,没有关于部署不使用映像的警告,应用程序也做出了响应。
其他资源:
- Kubernetes:使用对象:Kubernetes对象