安装calico的时候报 “apparmor_parser“: executable file not found in $PATH

在安装calico网络插件时遇到控制节点容器创建失败的问题,由于apparmor启用但相关路径未找到,导致错误。通过修改containerd的配置文件禁用apparmor检查,然后重启containerd服务,成功解决了问题。

k8s集群已经安装好了,在通过yaml方式安装calico网络插件的时候,有一个控制节点容器无法创建,查看日志报错,Error: failed to create containerd container: get apparmor_parser version: exec: “apparmor_parser”: executable file not found in $PATH
在这里插入图片描述
查了很久,网上说是apparmor开启了,只要关闭就行,cat /sys/module/apparmor/parameters/enabled发现是Y,就表示以开启,要把这个改成N,但是这个是只读文件,就算修改了权限也无法修改,这个方法只能放弃。
最后发现是Containerd默认回去检测/sys/module/apparmor/parameters/enabled这个文件的值,如果是Y就会去启动apparmor他,但是启动的时候又找不到路径,所以报错了。
我的containerd的版本是1.6.1, Containerd提供了一个配置,可以不去检查/sys/module/apparmor/parameters/enabled他的值,修改配置/etc/containerd/config.toml,在cri节点增加disable_apparmor = true,如下图
在这里插入图片描述
添加之后重启containerd

systemctl daemon-reload
systemctl restart containerd

在重新安装calico,就能成功了。

--- # Source: calico/templates/calico-kube-controllers.yaml # This manifest creates a Pod Disruption Budget for Controller to allow K8s Cluster Autoscaler to evict apiVersion: policy/v1 kind: PodDisruptionBudget metadata: name: calico-kube-controllers namespace: kube-system labels: k8s-app: calico-kube-controllers spec: maxUnavailable: 1 selector: matchLabels: k8s-app: calico-kube-controllers --- # Source: calico/templates/calico-kube-controllers.yaml apiVersion: v1 kind: ServiceAccount metadata: name: calico-kube-controllers namespace: kube-system --- # Source: calico/templates/calico-node.yaml apiVersion: v1 kind: ServiceAccount metadata: name: calico-node namespace: kube-system --- # Source: calico/templates/calico-config.yaml # This ConfigMap is used to configure a self-hosted Calico installation. kind: ConfigMap apiVersion: v1 metadata: name: calico-config namespace: kube-system data: # Typha is disabled. typha_service_name: "none" # Configure the backend to use. calico_backend: "bird" # Configure the MTU to use for workload interfaces and tunnels. # By default, MTU is auto-detected, and explicitly setting this field should not be required. # You can override auto-detection by providing a non-zero value. veth_mtu: "0" # The CNI network configuration to install on each node. The special # values in this config will be automatically populated. cni_network_config: |- { "name": "k8s-pod-network", "cniVersion": "0.3.1", "plugins": [ { "type": "calico", "log_level": "info", "log_file_path": "/var/log/calico/cni/cni.log", "datastore_type": "kubernetes", "nodename": "__KUBERNETES_NODE_NAME__", "mtu": __CNI_MTU__, "ipam": { "type": "calico-ipam" }, "policy": { "type": "k8s" }, "kubernetes": { "kubeconfig": "__KUBECONFIG_FILEPATH__"
03-20
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