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selenium - Zalenium:OpenShift环境中的504网关超时

转载 作者:行者123 更新时间:2023-12-02 12:04:53 31 4
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我在OpenShift环境上安装的Zalenium不稳定。 Web ui(带有vnc,仪表板,Selenium控制台的管理员 View )大约有50%的时间可用,并且与RemoteWebDriver的连接根本不起作用。

错误:
504网关超时
服务器没有及时响应。

WebDriver错误:

org.openqa.selenium.WebDriverException: Unable to parse remote response: <html><body><h1>504 Gateway Time-out</h1>
The server didn't respond in time.
</body></html>


at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:115)

oc版本:
oc v3.9.0 + 191fece
kubernetes v1.9.1 + a0ce1bc657

Zalenium模板:
apiVersion: v1
kind: Template
metadata:
name: zalenium
annotations:
"openshift.io/display-name": "Zalenium"
"description": "Disposable Selenium Grid for use in OpenShift"
message: |-
A Zalenium grid has been created in your project. Continue to overview to verify that it exists and start the deployment.
parameters:
- name: PROJECTNAME
description: The namespace / project name of this project
displayName: Namespace
required: true
- name: HOSTNAME
description: hostname used for route creation
displayName: route hostname
required: true
- name: "VOLUME_CAPACITY"
displayName: "Volume capacity for the disk that contains the test results."
description: "The volume is used to store all the test results, including logs and video recordings of the tests."
value: "10Gi"
required: true
objects:
- apiVersion: v1
kind: DeploymentConfig
metadata:
generation: 1
labels:
app: zalenium
role: hub
name: zalenium
spec:
replicas: 1
selector:
app: zalenium
role: hub
strategy:
activeDeadlineSeconds: 21600
resources: {}
type: Rolling
template:
metadata:
labels:
app: zalenium
role: hub
spec:
containers:
- args:
- start
- --seleniumImageName
- "elgalu/selenium:latest"
- --sendAnonymousUsageInfo
- "false"
image: dosel/zalenium:latest
imagePullPolicy: Always
name: zalenium
ports:
- containerPort: 4444
protocol: TCP
terminationMessagePath: /dev/termination-log
terminationMessagePolicy: File
volumeMounts:
- mountPath: /home/seluser/videos
name: zalenium-volume
dnsPolicy: ClusterFirst
restartPolicy: Always
securityContext: {}
serviceAccount: deployer
serviceAccountName: deployer
volumes:
- name: zalenium-volume
persistentVolumeClaim:
claimName: zalenium-pvc
test: false
triggers:
- type: ConfigChange
- apiVersion: v1
kind: Route
metadata:
labels:
app: zalenium
annotations:
openshift.io/host.generated: 'true'
haproxy.router.openshift.io/timeout: "60"
name: zalenium
spec:
host: zalenium-4444-${PROJECTNAME}.${HOSTNAME}
to:
kind: Service
name: zalenium
port:
targetPort: selenium-4444
- apiVersion: v1
kind: Route
metadata:
labels:
app: zalenium
annotations:
openshift.io/host.generated: 'true'
haproxy.router.openshift.io/timeout: "60"
name: zalenium-4445
spec:
host: zalenium-4445-${PROJECTNAME}.${HOSTNAME}
to:
kind: Service
name: zalenium
port:
targetPort: selenium-4445
- apiVersion: v1
kind: Service
metadata:
labels:
app: zalenium
name: zalenium
spec:
ports:
- name: selenium-4444
port: 4444
protocol: TCP
targetPort: 4444
- name: selenium-4445
port: 4445
protocol: TCP
targetPort: 4445
selector:
app: zalenium
sessionAffinity: None
type: ClusterIP
status:
loadBalancer: {}
- apiVersion: v1
kind: PersistentVolumeClaim
metadata:
labels:
app: zalenium
name: zalenium-pvc
spec:
accessModes:
- ReadWriteMany
resources:
requests:
storage: ${VOLUME_CAPACITY}

主 Pane 中的错误:
我在30分钟内收到大约2-3个错误。
[OkHttp https://172.17.0.1/ ...] ERROR i.f.k.c.d.i.ExecWebSocketListener - Exec Failure: HTTP:403. Message:pods "zalenium-40000-wvpjb" is forbidden: User "system:serviceaccount:PROJECT:deployer" cannot get pods/exec in the namespace "PROJECT": User "system:serviceaccount:PROJECT:deployer" cannot get pods/exec in project "PROJECT"
java.net.ProtocolException: Expected HTTP 101 response but was '403 Forbidden'
[OkHttp https://172.17.0.1/ ...] ERROR d.z.e.z.c.k.KubernetesContainerClient - zalenium-40000-wvpjb Failed to execute command [bash, -c, notify 'Zalenium', 'TEST COMPLETED', --icon=/home/seluser/images/completed.png]
java.net.ProtocolException: Expected HTTP 101 response but was '403 Forbidden'

拥有自己的服务帐户:
sa的yml模板:
- apiVersion: v1
kind: Role
metadata:
name: zalenium-role
labels:
app: zalenium
rules:
- apiGroups:
- ""
attributeRestrictions: null
resources:
- pods
verbs:
- create
- delete
- deletecollection
- get
- list
- watch
- apiGroups:
- ""
attributeRestrictions: null
resources:
- pods/exec
verbs:
- create
- delete
- list
- get
- apiGroups:
- ""
attributeRestrictions: null
resources:
- services
verbs:
- create
- delete
- get
- list
- apiVersion: v1
kind: ServiceAccount
metadata:
labels:
app: zalenium
name: zalenium-sa
- apiVersion: v1
kind: RoleBinding
metadata:
labels:
app: zalenium
name: zalenium-rolebinding
roleRef:
kind: Role
name: zalenium-role
namespace: ${PROJECTNAME}
subjects:
- kind: ServiceAccount
name: zalenium-sa
namespace: ${PROJECTNAME}
userNames:
- zalenium-sa

结果:
--WARN 10:22:28:182931026 We don't have sudo
Kubernetes service account found.
Copying files for Dashboard...
Starting Nginx reverse proxy...
Starting Selenium Hub...
.....10:22:29.626 [main] INFO o.o.grid.selenium.GridLauncherV3 - Selenium server version: 3.141.59, revision: unknown
.10:22:29.771 [main] INFO o.o.grid.selenium.GridLauncherV3 - Launching Selenium Grid hub on port 4445
..10:22:30.292 [main] INFO d.z.e.z.c.k.KubernetesContainerClient - Initialising Kubernetes support
..10:22:30.700 [main] WARN d.z.e.z.c.k.KubernetesContainerClient - Error initialising Kubernetes support.
io.fabric8.kubernetes.client.KubernetesClientException: Failure executing: GET at: https://172.30.0.1/api/v1/namespaces/PROJECT/pods/zalenium-1-j6s4q . Message: Forbidden!Configured service account doesn't have access. Service account may have been revoked. pods "zalenium-1-j6s4q" is forbidden: User "system:serviceaccount:PROJECT:zalenium-sa" cannot get pods in the namespace "PROJECT": User "system:serviceaccount:PROJECT:zalenium-sa" cannot get pods in project "PROJECT".
at io.fabric8.kubernetes.client.dsl.base.OperationSupport.requestFailure(OperationSupport.java:476)
at io.fabric8.kubernetes.client.dsl.base.OperationSupport.assertResponseCode(OperationSupport.java:413)
at io.fabric8.kubernetes.client.dsl.base.OperationSupport.handleResponse(OperationSupport.java:381)
at io.fabric8.kubernetes.client.dsl.base.OperationSupport.handleResponse(OperationSupport.java:344)
at io.fabric8.kubernetes.client.dsl.base.OperationSupport.handleGet(OperationSupport.java:313)
at io.fabric8.kubernetes.client.dsl.base.OperationSupport.handleGet(OperationSupport.java:296)
at io.fabric8.kubernetes.client.dsl.base.BaseOperation.handleGet(BaseOperation.java:794)
at io.fabric8.kubernetes.client.dsl.base.BaseOperation.getMandatory(BaseOperation.java:210)
at io.fabric8.kubernetes.client.dsl.base.BaseOperation.get(BaseOperation.java:177)
at de.zalando.ep.zalenium.container.kubernetes.KubernetesContainerClient.<init>(KubernetesContainerClient.java:91)
at de.zalando.ep.zalenium.container.ContainerFactory.createKubernetesContainerClient(ContainerFactory.java:43)
at de.zalando.ep.zalenium.container.ContainerFactory.getContainerClient(ContainerFactory.java:22)
at de.zalando.ep.zalenium.proxy.DockeredSeleniumStarter.<clinit>(DockeredSeleniumStarter.java:63)
at de.zalando.ep.zalenium.registry.ZaleniumRegistry.<init>(ZaleniumRegistry.java:97)
at de.zalando.ep.zalenium.registry.ZaleniumRegistry.<init>(ZaleniumRegistry.java:83)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at java.lang.Class.newInstance(Class.java:442)
at org.openqa.grid.web.Hub.<init>(Hub.java:94)
at org.openqa.grid.selenium.GridLauncherV3.lambda$buildLaunchers$5(GridLauncherV3.java:264)
at org.openqa.grid.selenium.GridLauncherV3.lambda$launch$0(GridLauncherV3.java:86)
at java.util.Optional.map(Optional.java:215)
at org.openqa.grid.selenium.GridLauncherV3.launch(GridLauncherV3.java:86)
at org.openqa.grid.selenium.GridLauncherV3.main(GridLauncherV3.java:70)
10:22:30.701 [main] INFO d.z.e.z.c.k.KubernetesContainerClient - About to clean up any left over docker-selenium pods created by Zalenium
Exception in thread "main" org.openqa.grid.common.exception.GridConfigurationException: Error creating class with de.zalando.ep.zalenium.registry.ZaleniumRegistry : null
at org.openqa.grid.web.Hub.<init>(Hub.java:99)
at org.openqa.grid.selenium.GridLauncherV3.lambda$buildLaunchers$5(GridLauncherV3.java:264)
at org.openqa.grid.selenium.GridLauncherV3.lambda$launch$0(GridLauncherV3.java:86)
at java.util.Optional.map(Optional.java:215)
at org.openqa.grid.selenium.GridLauncherV3.launch(GridLauncherV3.java:86)
at org.openqa.grid.selenium.GridLauncherV3.main(GridLauncherV3.java:70)
Caused by: java.lang.ExceptionInInitializerError
at de.zalando.ep.zalenium.registry.ZaleniumRegistry.<init>(ZaleniumRegistry.java:97)
at de.zalando.ep.zalenium.registry.ZaleniumRegistry.<init>(ZaleniumRegistry.java:83)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at java.lang.Class.newInstance(Class.java:442)
at org.openqa.grid.web.Hub.<init>(Hub.java:94)
... 5 more
Caused by: java.lang.NullPointerException
at java.util.TreeMap.putAll(TreeMap.java:313)
at io.fabric8.kubernetes.client.dsl.base.BaseOperation.withLabels(BaseOperation.java:426)
at io.fabric8.kubernetes.client.dsl.base.BaseOperation.withLabels(BaseOperation.java:63)
at de.zalando.ep.zalenium.container.kubernetes.KubernetesContainerClient.deleteSeleniumPods(KubernetesContainerClient.java:402)
at de.zalando.ep.zalenium.container.kubernetes.KubernetesContainerClient.initialiseContainerEnvironment(KubernetesContainerClient.java:348)
at de.zalando.ep.zalenium.container.ContainerFactory.createKubernetesContainerClient(ContainerFactory.java:46)
at de.zalando.ep.zalenium.container.ContainerFactory.getContainerClient(ContainerFactory.java:22)
at de.zalando.ep.zalenium.proxy.DockeredSeleniumStarter.<clinit>(DockeredSeleniumStarter.java:63)
... 13 more

最佳答案

[OkHttp https://172.17.0.1/ ...] ERROR i.f.k.c.d.i.ExecWebSocketListener - Exec Failure: HTTP:403. Message:pods "zalenium-40000-wvpjb" is forbidden: User "system:serviceaccount:PROJECT:deployer" cannot get pods/exec in the namespace "PROJECT": User "system:serviceaccount:PROJECT:deployer" cannot get pods/exec in project "PROJECT"
java.net.ProtocolException: Expected HTTP 101 response but was '403 Forbidden'

通常,这意味着服务帐户没有足够的权限,可能首先检查一下。

关于selenium - Zalenium:OpenShift环境中的504网关超时,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/55222997/

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