liyeho 发表于 2019-2-1 14:14:26

k8s 与ceph结合

  一、创建相应的pool
  ceph osd pool create k8s 4096 4096
  二、创建ceph的对k8s pool的用户
  ceph auth get-or-create client.k8s mon 'allow r' osd 'allow class-read object_prefix rbd_children, allow rwx pool=k8s' -o /etc/ceph/ceph.client.k8s.keyring
  #ceph-authtool -n client.radosgw.gateway --cap osd 'allow rwx' --cap mon 'allow rwx' /etc/ceph/ceph.client.radosgw.keyring
  三、对k8s用户进行base64加密
  echo "keyring " | base64
  四、创建基于keyring 的secret资源
root@master:~# cat ceph-secret.yaml apiVersion: v1
kind: Secretmetadata:
name: ceph-secret
data:
key: QVFBbW5SbFgyenJxRFJBQU9pdU9zMnNJSXRHaEFQNnRORGEzVmc9PQo=         #base64后的key  kubectlcreate -f ceph-secret.yaml
  kubectl get secret
  五、编辑一个可用的ReplicationController 让rbdpod跑起来
  apiVersion: v1
  kind: PersistentVolume
  metadata:
  name: ceph-rbd-pv-onduty-redis-data
  namespace: devops
  labels:
  onduty: redis-data
  spec:
  capacity:
  storage: 50Gi
  accessModes:
  - ReadWriteOnce
  rbd:
  monitors:
  - 10.0.0.4:6789
  - 10.0.0.5:6789
  - 10.0.0.6:6789
  pool: k8s
  image: onduty-redis-data
  user: admin
  secretRef:
  name: ceph-secret
  fsType: ext4
  readOnly: false
  persistentVolumeReclaimPolicy: Retain
  




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