[QUESTION]:在 microk8s上没有按照期待的收集到日志

[0xBB2B]

在 microk8s 的单测试节点上 按照教程配置文件(去除了 SLS 相关参数)

---
apiVersion: v1
kind: Namespace
metadata:
  name: ilogtail

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: ilogtail-user-cm
  namespace: ilogtail
data:
  nginx_stdout.yaml: |
    enable: true
    inputs:
      - Type: service_docker_stdout
        Stderr: false
        Stdout: true                # only collect stdout
        IncludeK8sLabel:
          app: nginx                # choose containers with this label
    processors:
      - Type: processor_regex       # structure log
        SourceKey: content
        Regex: '([\d\.:]+) - (\S+) \[(\S+) \S+\] \"(\S+) (\S+) ([^\\"]+)\" (\d+) (\d+) \"([^\\"]*)\" \"([^\\"]*)\" \"([^\\"]*)\"'
        Keys:
          - remote_addr
          - remote_user
          - time_local
          - method
          - url
          - protocol
          - status
          - body_bytes_sent
          - http_referer
          - http_user_agent
          - http_x_forwarded_for
    flushers:
      - Type: flusher_stdout
        OnlyStdout: true

---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: ilogtail-ds
  namespace: ilogtail
  labels:
    k8s-app: logtail-ds
spec:
  selector:
    matchLabels:
      k8s-app: logtail-ds
  template:
    metadata:
      labels:
        k8s-app: logtail-ds
    spec:
      tolerations:
        - operator: Exists                    # deploy on all nodes
      containers:
        - name: logtail
          env:
            - name: ALIYUN_LOG_ENV_TAGS       # add log tags from env
              value: _node_name_|_node_ip_
            - name: _node_name_
              valueFrom:
                fieldRef:
                  apiVersion: v1
                  fieldPath: spec.nodeName
            - name: _node_ip_
              valueFrom:
                fieldRef:
                  apiVersion: v1
                  fieldPath: status.hostIP
            - name: cpu_usage_limit           # iLogtail's self monitor cpu limit
              value: "1"
            - name: mem_usage_limit           # iLogtail's self monitor mem limit
              value: "512"
          image: >-
            sls-opensource-registry.cn-shanghai.cr.aliyuncs.com/ilogtail-community-edition/ilogtail:latest
          imagePullPolicy: IfNotPresent
          resources:
            limits:
              cpu: 1000m
              memory: 1Gi
            requests:
              cpu: 400m
              memory: 384Mi
          volumeMounts:
            - mountPath: /var/run                       # for container runtime socket
              name: run
            - mountPath: /logtail_host                  # for log access on the node
              mountPropagation: HostToContainer
              name: root
              readOnly: true
            - mountPath: /usr/local/ilogtail/checkpoint # for checkpoint between container restart
              name: checkpoint
            - mountPath: /usr/local/ilogtail/config/local # mount config dir
              name: user-config
              readOnly: true
      dnsPolicy: ClusterFirstWithHostNet
      hostNetwork: true
      volumes:
        - hostPath:
            path: /var/run
            type: Directory
          name: run
        - hostPath:
            path: /
            type: Directory
          name: root
        - hostPath:
            path: /etc/ilogtail-ilogtail-ds/checkpoint
            type: DirectoryOrCreate
          name: checkpoint
        - configMap:
            defaultMode: 420
            name: ilogtail-user-cm
          name: user-config

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx
  namespace: default
  labels:
    app: nginx
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
        - image: 'nginx:latest'
          name: nginx
          ports:
            - containerPort: 80
              name: http
              protocol: TCP
          resources:
            requests:
              cpu: 100m
              memory: 100Mi

apply 上述 yaml 文件之后

❯ kubectl exec nginx-788df4555b-66k4n -- curl localhost/test                                
<html>
<head><title>404 Not Found</title></head>
<body>
<center><h1>404 Not Found</h1></center>
<hr><center>nginx/1.25.4</center>
</body>
</html>
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   153  100   153    0     0   228k      0 --:--:-- --:--:-- --:--:--  149k

并没有采集到 nginx 的标准输出

❯ kubectl logs ilogtail-ds-gv9vz -n ilogtail                 
ilogtail started. pid: 11
register fun v2 0x831d20 0x837880 0x836ed0 0x836580
2024/03/03 11:38:34 DEBUG Now using Go's stdlib log package (via loggers/mappers/stdlib).
load log config /usr/local/ilogtail/plugin_logger.xml 
recover stdout
recover stderr

[0xBB2B]

k3s上也没法采集到日志

[linrunqi08]

@0xBB2B 你的容器运行时是什么，containerd吗

[0xBB2B]

@0xBB2B 你的容器运行时是什么，containerd吗

如果我没记错的话 microk8s 默认的运行时就是 containerd 并且是通过 snap 一起打包好的