無法與glusterfs

Question

量運行的容器我曾與一個主節點和3個爪牙一個kubernetes集羣，我已經一個glusterfs集羣，kubernetes羣集的每個節點都安裝glusterfs客戶端和工作。 我試圖運行一個POD（一個簡單的MySQL）安裝在/ var/lib中/ MySQL在glusterfs但我看到：

Image: mysql:5.6 is ready, container is creating 

我運行： kubectl得到事件 我看到：

Thu, 18 Feb 2016 10:08:01 +0100 Thu, 18 Feb 2016 10:08:01 +0100 1   mysql-9ym10   Pod         scheduled   {scheduler }    Successfully assigned mysql-9ym10 to nodeXX 
Thu, 18 Feb 2016 10:08:01 +0100 Thu, 18 Feb 2016 10:08:01 +0100 1   mysql    ReplicationController    successfulCreate {replication-controller } Created pod: mysql-9ym10 
Thu, 18 Feb 2016 10:08:02 +0100 Thu, 18 Feb 2016 10:08:12 +0100 2   mysql-9ym10   Pod         failedMount  {kubelet nodeXX} Unable to mount volumes for pod "mysql-9ym10_default": exit status 1 
Thu, 18 Feb 2016 10:08:02 +0100 Thu, 18 Feb 2016 10:08:12 +0100 2   mysql-9ym10   Pod         failedSync   {kubelet nodeXX} Error syncing pod, skipping: exit status 1 

如果我跑 kubectl描述莢的mysql-9ym10 我看到：

Name:       mysql-9ym10 
Namespace:      default 
Image(s):      mysql:5.6 
Node:       nodeXX/nodeXX 
Labels:       app=mysql 
Status:       Pending 
Reason: 
Message: 
IP: 
Replication Controllers:  mysql (1/1 replicas created) 
Containers: 
    mysql: 
    Image:    mysql:5.6 
    State:    Waiting 
     Reason:   Image: mysql:5.6 is ready, container is creating 
    Ready:    False 
    Restart Count:  0 
Conditions: 
    Type   Status 
    Ready   False 
Events: 
    FirstSeen        LastSeen      Count From       SubobjectPath Reason   Message 
    Thu, 18 Feb 2016 10:08:01 +0100  Thu, 18 Feb 2016 10:08:01 +0100 1  {scheduler }         scheduled  Successfully assigned mysql-9ym10 to nodeXX 
    Thu, 18 Feb 2016 10:08:02 +0100  Thu, 18 Feb 2016 10:10:22 +0100 15  {kubelet nodeXX}      failedMount  Unable to mount volumes for pod "mysql-9ym10_default": exit status 1 
    Thu, 18 Feb 2016 10:08:02 +0100  Thu, 18 Feb 2016 10:10:22 +0100 15  {kubelet nodeXX}      failedSync  Error syncing pod, skipping: exit status 1 

這是YAML文件集裝箱：

apiVersion: v1 
kind: ReplicationController 
metadata: 
    name: mysql 
spec: 
    replicas: 1 
    selector: 
    app: mysql 
    template: 
    metadata: 
     name: mysql 
     labels: 
     app: mysql 
    spec: 
     containers: 
     - name: mysql 
     image: mysql:5.6 
     ports: 
     - containerPort: 3306 
     env: 
      - name: MYSQL_ROOT_PASSWORD 
      value: password 
     volumeMounts: 
      - mountPath: /var/lib/mysql 
      name: glusterfsvol 
     volumes: 
     - glusterfs: 
      endpoints: glusterfs-cluster 
      path: glustervolume 
      readOnly: false 
     name: glusterfsvol 

Answer 1

您需要配置端點https://github.com/kubernetes/kubernetes/blob/release-1.1/examples/glusterfs/README.md，否則kubernetes不知道如何訪問您的gluster集羣。

Answer 2

我得和端點配置有glusterfs IP地址。

我知道張貼鏈接，我一直跟着它，但結果是我的第一篇文章！

Answer 3

在第一：要使用你不需要kubernetes節點上安裝glusterfs-客戶端GlusterFS。 Kubernetes默認具有glusterfs的批量安裝選項。

要使用你需要的東西kubernetes一個glusterfs。

1. 一個工作的glusterfs服務器。 glusterfs服務器中的運行卷。我假設你有這些。如果有人不然後創建一個glusterfs服務器並啓動卷使用以下命令

   $ gluster volume create <volume-name> replica 2 transport tcp \ 
       peer1:/directory \ 
       peer2:/directory \ 
       force 
   $ gluster volume start <vonlume-name> 
   $ sudo gluster volume info 
   

2. 如果這是確定的，你需要一個kubernetes端點與吊艙使用。作爲一個例子，終點是這樣的。

   kind: Endpoints 
   apiVersion: v1 
   metadata: 
       name: glusterfs 
   subsets: 
   - addresses: 
       - ip: peer1 
       ports: 
       - port: 1 
   - addresses: 
       - ip: peer2 
       ports: 
       - port: 1 
   

3. 然後在第三個將gfs卷掛載到一個帶有終點的pod上。

    containers: 
        - name: mysql 
        image: mysql:5.6 
        ports: 
        - containerPort: 3306 
        env: 
         - name: MYSQL_ROOT_PASSWORD 
         value: password 
        volumeMounts: 
         - mountPath: /var/lib/mysql 
         name: glusterfsvol 
        volumes: 
        - glusterfs: 
         endpoints: glusterfs-cluster 
         path: <volume-name> 
        name: glusterfsvol 
   

**的路徑必須卷名稱與glusterfs匹配。

這一切應該正常工作。