【问题标题】:fluentd container not mounting k8 worker directories via yaml (1.2)fluentd 容器未通过 yaml (1.2) 挂载 k8 工作目录
【发布时间】:2016-03-22 19:45:31
【问题描述】:

当我手动运行容器时,我看到了挂载,但通过 yaml,挂载是空的。

apiVersion: v1
kind: Pod
metadata:
  name: fluentd2elasticsearch
  namespace: kube-system
spec:
  containers:
  - name: fluentd-es
    image: gcr.io/google_containers/fluentd-elasticsearch:1.15
    env:
      - name: FLUENTD_ARGS
        value: "-qq"
    volumeMounts:
      - name: containers
        mountPath: /var/lib/docker/containers
      - name: varlog
        mountPath: /var/log
  volumes:
  - name: containers
    source:
      hostDir:
        path: /var/lib/docker/containers
  - name: varlog
    source:
      hostDir:
        path: /var/log

当我连接到容器时,目录为空或仅包含 fluentd pod 文件。 手动运行:

docker run -d -v /var/lib/docker/containers:/var/lib/docker/containers -v /var/log:/var/log gcr.io/google_containers/fluentd-elasticsearch:1.15

一切看起来都很棒,但我需要 kuber 启动容器以使其与 elasticsearch 对话(我有时会看到在 kubernetes 或 k8 中编写)。

docker 检查显示这个:

"Mounts": [
    {
        "Source": "/var/lib/kubelet/pods/1c11495ddc980659911fd7a596a346f8/volumes/kubernetes.io~empty-dir/containers",
        "Destination": "/var/lib/docker/containers",
        "Mode": "",
        "RW": true
    },
    {
        "Source": "/var/lib/kubelet/pods/1c11495ddc980659911fd7a596a346f8/volumes/kubernetes.io~empty-dir/varlog",
        "Destination": "/var/log",
        "Mode": "",
        "RW": true
    },

我猜 kubernetes.io~empty-dir 不是我想在那里看到的。

【问题讨论】:

    标签: kubernetes fluentd


    【解决方案1】:

    卷部分似乎存在一些结构性问题。试试:

    volumes:
      - name: containers
        hostPath:
          path: /var/lib/docker/containers
      - name: varlog
        hostPath:
          path: /var/log
    

    【讨论】:

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