Kubernetes MountVolume.卷[name]的NewMounter初始化失败:路径[name]不存在.&

Question

我正在尝试在Kubernetes上部署elasticsearch集群，为此我使用了本地持久卷

这是我的manifest文件

persistantvolume.yaml
apiVersion: v1
kind: PersistentVolume
metadata:
name: example-local-pv
spec:
capacity:
storage: 500Gi
accessModes:
- ReadWriteOnce
persistentVolumeReclaimPolicy: Retain
storageClassName: local-storage
local:
path: /home/kb/data
nodeAffinity:
required:
nodeSelectorTerms:
- matchExpressions:
- key: kubernetes.io/hostname
operator: In
values:
- minikube
storage.yaml
kind: StorageClass
apiVersion: storage.k8s.io/v1
metadata:
name: local-storage
provisioner: kubernetes.io/no-provisioner
volumeBindingMode: WaitForFirstConsumer  
service.yaml
apiVersion: v1
kind: Service
metadata:
name: es
labels:
service: elasticsearch
spec:
clusterIP: None
ports:
- port: 9200
name: serving
- port: 9300
name: node-to-node
selector:
service: elasticsearch
elasticsearch.yaml
apiVersion: apps/v1
kind: StatefulSet
metadata:
name: elasticsearch
labels:
service: elasticsearch
spec:
serviceName: es
replicas: 3
selector:
matchLabels:
service: elasticsearch
template:
metadata:
labels:
service: elasticsearch
spec:
terminationGracePeriodSeconds: 300
initContainers:
- name: fix-the-volume-permission
image: busybox
command:
- sh
- -c
- chown -R 1000:1000 /usr/share/elasticsearch/data
securityContext:
privileged: true
volumeMounts:
- name: data
mountPath: /usr/share/elasticsearch/data
- name: increase-the-vm-max-map-count
image: busybox
command:
- sysctl
- -w
- vm.max_map_count=262144
securityContext:
privileged: true
- name: increase-the-ulimit
image: busybox
command:
- sh
- -c
- ulimit -n 65536
securityContext:
privileged: true
containers:
- name: elasticsearch
image: docker.elastic.co/elasticsearch/elasticsearch-oss:6.2.4
ports:
- containerPort: 9200
name: http
- containerPort: 9300
name: tcp
resources:
requests:
memory: 4Gi
limits:
memory: 6Gi
env:
- name: cluster.name
value: elasticsearch-cluster
- name: node.name
valueFrom:
fieldRef:
fieldPath: metadata.name
- name: discovery.zen.ping.unicast.hosts
value: "elasticsearch-0.es.default.svc.cluster.local,elasticsearch-1.es.default.svc.cluster.local,elasticsearch-2.es.default.svc.cluster.local"
- name: ES_JAVA_OPTS
value: -Xms4g -Xmx4g
volumeMounts:
- name: data
mountPath: /usr/share/elasticsearch/data
volumeClaimTemplates:
- metadata:
name: data
spec:
accessModes:
- ReadWriteOnce
storageClassName: local-storage
resources:
requests:
storage: 10Gi
kubectl apply -f persistantvolume.yaml
kubectl apply -f storage.yaml
kubectl apply -f service.yaml
kubectl apply -f elasticsearch.yaml

my pod is inInit:0/3state and kube describe pod podname is

Events:
Type     Reason       Age                From               Message
----     ------       ----               ----               -------
Normal   Scheduled    44s                default-scheduler  Successfully assigned default/elasticsearch-0 to minikube
Warning  FailedMount  12s (x7 over 44s)  kubelet            MountVolume.NewMounter initialization failed for volume "example-local-pv" : path "/home/kb/data" does not exist

我是Kubernetes的初学者，请帮助我我在这里缺少什么/home/kb/data存在于我的本地驱动器

Answer 1

假设您使用其中一个虚拟机驱动程序启动minikube，则/home/kb/data目录存在于您的本地驱动器中但可能不在它的虚拟机内。明白了吗?Kuberneteslocal-storage不会创建丢失的目录。如果您只是想"修复错误"，那么minikube ssh -- mkdir /home/kb/data可能会奏效。这个答案解释了更多的背景细节。