Docker 无法在CoreOS上为PetSet创建持久卷声明 尝试使用Kube Solo设置PetSet
在我当地的开发环境中,我与CoreOS建立了Kube Solo。我正在尝试部署一个Kubernetes PetSet,它包含一个持久卷声明模板作为PetSet配置的一部分。此配置失败,所有吊舱均未启动。以下是我的PetSet定义:Docker 无法在CoreOS上为PetSet创建持久卷声明 尝试使用Kube Solo设置PetSet,docker,kubernetes,coreos,kube-solo,Docker,Kubernetes,Coreos,Kube Solo,在我当地的开发环境中,我与CoreOS建立了Kube Solo。我正在尝试部署一个Kubernetes PetSet,它包含一个持久卷声明模板作为PetSet配置的一部分。此配置失败,所有吊舱均未启动。以下是我的PetSet定义: apiVersion: apps/v1alpha1 kind: PetSet metadata: name: marklogic spec: serviceName: "ml-service" replicas: 2 template: met
apiVersion: apps/v1alpha1
kind: PetSet
metadata:
name: marklogic
spec:
serviceName: "ml-service"
replicas: 2
template:
metadata:
labels:
app: marklogic
annotations:
pod.alpha.kubernetes.io/initialized: "true"
spec:
terminationGracePeriodSeconds: 30
containers:
- name: 'marklogic'
image: {ip address of repo}:5000/dcgs-sof/ml8-docker-final:v1
imagePullPolicy: Always
command: ["/opt/entry-point.sh", "-l", "/opt/mlconfig.sh"]
ports:
- containerPort: 7997
name: health-check
- containerPort: 8000
name: app-services
- containerPort: 8001
name: admin
- containerPort: 8002
name: manage
- containerPort: 8040
name: sof-sdl
- containerPort: 8041
name: sof-sdl-xcc
- containerPort: 8042
name: ml8042
- containerPort: 8050
name: sof-sdl-admin
- containerPort: 8051
name: sof-sdl-cache
- containerPort: 8060
name: sof-sdl-camel
env:
- name: POD_IP
valueFrom:
fieldRef:
fieldPath: status.podIP
lifecycle:
preStop:
exec:
command: ["/etc/init.d/MarkLogic stop"]
volumeMounts:
- name: ml-data
mountPath: /var/opt/MarkLogic
volumeClaimTemplates:
- metadata:
name: ml-data
annotations:
volume.alpha.kubernetes.io/storage-class: anything
spec:
accessModes: [ "ReadWriteMany" ]
resources:
requests:
storage: 1Gi
在Kubernetes仪表板中,我看到以下错误消息:
SchedulerPredicates failed due to PersistentVolumeClaim is not bound: "ml-data-marklogic-0", which is unexpected.
似乎无法创建持久卷声明也会阻止从本地存储库中提取映像。此外,Kubernetes仪表板显示对持久卷声明的请求,但状态一直处于“挂起”状态。
我已经验证了问题是与持久卷声明有关的。如果我从PetSet配置中删除它,部署就会成功
我应该注意到,在此之前我使用的是MiniKube,并且会看到相同的消息,但是一旦图像被拉出来,pod启动,声明就会生效,消息就会消失
我正在使用
- Kubernetes版本:1.4.0
- Docker版本:1.12.1(在我的mac上)和1.10.3(在CoreOS虚拟机内)
- Corectl版本:0.2.8
- Kube Solo版本:0.9.6
解决此问题的最佳方法是创建它希望手动查找的持久卷,以便PersistentVolumeClaim可以找到它们。同样的错误发生在我身上,并在and pull请求中找到了有关以下配置的线索(考虑volumeClaimTemplates和StorageClass)
volumeClaimTemplates:
- metadata:
name: cassandra-data
annotations:
volume.beta.kubernetes.io/storage-class: standard
spec:
accessModes: [ "ReadWriteOnce" ]
resources:
requests:
storage: 1Gi
---
kind: StorageClass
apiVersion: storage.k8s.io/v1beta1
metadata:
namespace: kube-system
name: standard
annotations:
storageclass.beta.kubernetes.io/is-default-class: "true"
labels:
kubernetes.io/cluster-service: "true"
provisioner: kubernetes.io/host-path
谢谢这成为了一个故障排除的噩梦,所以我现在已经回到使用Minikube。