我有一个2节点kubernetes集群，根据https://github.com/rook/rook/blob/master/Documentation/ceph-quickstart.md的指示在其中部署了根存储集群
我能够部署集群。
master $ kubectl create -f common.yaml
namespace/rook-ceph created
customresourcedefinition.apiextensions.k8s.io/cephclusters.ceph.rook.io created
customresourcedefinition.apiextensions.k8s.io/cephfilesystems.ceph.rook.io created
customresourcedefinition.apiextensions.k8s.io/cephnfses.ceph.rook.io created
customresourcedefinition.apiextensions.k8s.io/cephobjectstores.ceph.rook.io created
customresourcedefinition.apiextensions.k8s.io/cephobjectstoreusers.ceph.rook.io created
customresourcedefinition.apiextensions.k8s.io/cephblockpools.ceph.rook.io created
customresourcedefinition.apiextensions.k8s.io/volumes.rook.io created
clusterrole.rbac.authorization.k8s.io/rook-ceph-cluster-mgmt created
clusterrole.rbac.authorization.k8s.io/rook-ceph-cluster-mgmt-rules created
role.rbac.authorization.k8s.io/rook-ceph-system created
clusterrole.rbac.authorization.k8s.io/rook-ceph-global created
clusterrole.rbac.authorization.k8s.io/rook-ceph-global-rules created
clusterrole.rbac.authorization.k8s.io/rook-ceph-mgr-cluster created
clusterrole.rbac.authorization.k8s.io/rook-ceph-mgr-cluster-rules created
serviceaccount/rook-ceph-system created
rolebinding.rbac.authorization.k8s.io/rook-ceph-system created
clusterrolebinding.rbac.authorization.k8s.io/rook-ceph-global created
serviceaccount/rook-ceph-osd created
serviceaccount/rook-ceph-mgr created
role.rbac.authorization.k8s.io/rook-ceph-osd created
clusterrole.rbac.authorization.k8s.io/rook-ceph-mgr-system created
clusterrole.rbac.authorization.k8s.io/rook-ceph-mgr-system-rules created
role.rbac.authorization.k8s.io/rook-ceph-mgr created
rolebinding.rbac.authorization.k8s.io/rook-ceph-cluster-mgmt created
rolebinding.rbac.authorization.k8s.io/rook-ceph-osd created
rolebinding.rbac.authorization.k8s.io/rook-ceph-mgr created
rolebinding.rbac.authorization.k8s.io/rook-ceph-mgr-system created
clusterrolebinding.rbac.authorization.k8s.io/rook-ceph-mgr-cluster created
.
master $ kubectl create -f operator.yaml
deployment.apps/rook-ceph-operator created
master $ kubectl create -f cluster.yaml
cephcluster.ceph.rook.io/rook-ceph created
master $ kubectl get po -n rook-ceph
NAME READY STATUS RESTARTS AGE
rook-ceph-agent-5kl8r 1/1 Running 0 7m
rook-ceph-agent-jhgjt 1/1 Running 0 7m
rook-ceph-mgr-a-75c7db76d5-5shwf 1/1 Running 0 2m
rook-ceph-mon-a-5d5d596ff-wqvg5 1/1 Running 0 5m
rook-ceph-mon-d-6fbdd6b4b4-4nm9b 1/1 Running 0 3m
rook-ceph-mon-e-cf647dcf4-v5rgz 1/1 Running 0 3m
rook-ceph-operator-5c75765cdc-2kzcc 1/1 Running 2 9m
rook-ceph-osd-0-67fd55555b-th9kj 1/1 Running 0 26s
rook-ceph-osd-prepare-master-t97sk 0/2 Completed 1 52s
rook-ceph-osd-prepare-node01-pzbv5 1/2 Running 0 52s
rook-discover-28cx9 1/1 Running 0 7m
rook-discover-qndns 1/1 Running 0 7m
master $ vi filesystem.yaml
master $ kubectl create -f filesystem.yaml
cephfilesystem.ceph.rook.io/myfs created
master $ vi registry.yaml
master $ kubectl create -f registry.yaml
deployment.apps/kube-registry created
master $ kubectl get deploy -n rook-ceph
NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE
rook-ceph-mgr-a 1 1 1 0 8m
rook-ceph-mon-a 1 1 1 1 11m
rook-ceph-mon-d 1 1 1 0 9m
rook-ceph-mon-e 1 1 1 0 9m
rook-ceph-operator 1 1 1 0 15m
rook-ceph-osd-0 1 1 1 1 6m
然后我部署了文件系统，并尝试使用文件系统存储来部署kube-registry。出现安装问题，如下所示
Type Reason Age From Message
---- ------ ---- ---- -------
Normal Scheduled 6m default-scheduler Successfully assigned kube-system/kube-registry-58db869599-fxcmw to master
Warning FailedMount 3m kubelet, master MountVolume.SetUp failed for volume "image-store" : mountcommand failed, status: Failure, reason: failed to mount filesystem myfs to /var/lib/kubelet/pods/f66fe5fe-77ed-11e9-a7e7-0242ac110082/volumes/ceph.rook.io~rook/image-store with monitor 10.100.26.43:6789,10.104.161.253:6789,10.103.117.82:6789:/ and options [name=admin secret=AQD6fN1cbv0TBBAAvHJjvGRcTGN6mxcErO8UiA==]: mount failed: exit status 32
Mounting command: systemd-run
Mounting arguments: --description=Kubernetes transient mount for /var/lib/kubelet/pods/f66fe5fe-77ed-11e9-a7e7-0242ac110082/volumes/ceph.rook.io~rook/image-store --scope -- mount -t ceph -o name=admin,secret=AQD6fN1cbv0TBBAAvHJjvGRcTGN6mxcErO8UiA== 10.100.26.43:6789,10.104.161.253:6789,10.103.117.82:6789:/ /var/lib/kubelet/pods/f66fe5fe-77ed-11e9-a7e7-0242ac110082/volumes/ceph.rook.io~rook/image-store
Output: Running scope as unit run-rddc4a13838c24ee58112f543ee5db041.scope.
mount: mount 10.100.26.43:6789,10.104.161.253:6789,10.103.117.82:6789:/ on /var/lib/kubelet/pods/f66fe5fe-77ed-11e9-a7e7-0242ac110082/volumes/ceph.rook.io~rook/image-store failed: Connection timed out
Warning FailedMount 2m (x2 over 4m) kubelet, master Unable to mount volumes for pod "kube-registry-58db869599-fxcmw_kube-system(f66fe5fe-77ed-11e9-a7e7-0242ac110082)": timeout expired waiting for volumes to attach or mount for pod "kube-system"/"kube-registry-58db869599-fxcmw". list of unmounted volumes=[image-store]. list of unattached volumes=[image-store default-token-2g4pf]
Warning FailedMount 22s kubelet, master MountVolume.SetUp failed for volume "image-store" : mount command failed, status: Failure, reason: failed to mount filesystem myfs to /var/lib/kubelet/pods/f66fe5fe-77ed-11e9-a7e7-0242ac110082/volumes/ceph.rook.io~rook/image-store with monitor 10.104.161.253:6789,10.103.117.82:6789,10.100.26.43:6789:/ and options [name=admin secret=AQD6fN1cbv0TBBAAvHJjvGRcTGN6mxcErO8UiA==]: mount failed: exit status 32
Mounting command: systemd-run
Mounting arguments: --description=Kubernetes transient mount for /var/lib/kubelet/pods/f66fe5fe-77ed-11e9-a7e7-0242ac110082/volumes/ceph.rook.io~rook/image-store --scope -- mount -t ceph -o name=admin,secret=AQD6fN1cbv0TBBAAvHJjvGRcTGN6mxcErO8UiA== 10.104.161.253:6789,10.103.117.82:6789,10.100.26.43:6789:/ /var/lib/kubelet/pods/f66fe5fe-77ed-11e9-a7e7-0242ac110082/volumes/ceph.rook.io~rook/image-store
Output: Running scope as unit run-r72b0887c8cd1427d9733071104bd8cc6.scope.
mount: mount 10.104.161.253:6789,10.103.117.82:6789,10.100.26.43:6789:/ on /var/lib/kubelet/pods/f66fe5fe-77ed-11e9-a7e7-0242ac110082/volumes/ceph.rook.io~rook/image-store failed: Connection timed out
如何毫无问题地部署注册表？