README.md

Talos OS Debug tools

Image contains tools to debug node that include:

• bpftool
• bpftrace
• btop
• curl
• dmidecode
• dnsutils
• e2fsprogs
• elfutils
• fdisk
• gdb
• gdbserver
• gdisk
• htop
• iftop
• iproute2
• iptables
• iputils-ping
• kmod
• lm-sensors
• lvm2
• ncdu
• nerdctl
• netcat-openbsd
• nftables
• numactl
• nvme-cli
• pciutils
• perf
• rsync
• sg3-utils
• strace
• tcpdump
• thunderbolt-tools
• xfsprogs

Use it:

apiVersion: apps/v1
kind: DaemonSet
metadata:
  labels:
    app: sshd
  name: sshd
  namespace: kube-system
spec:
  revisionHistoryLimit: 3
  selector:
    matchLabels:
      app: sshd
  template:
    metadata:
      labels:
        app: sshd
    spec:
      containers:
        - image: ghcr.io/aarnaud/talos-debug-tools:latest-6.6.29
          imagePullPolicy: IfNotPresent
          name: debug-container
          resources: {}
          securityContext:
            allowPrivilegeEscalation: true
            capabilities:
              add:
                - SYS_ADMIN
            privileged: true
          terminationMessagePath: /dev/termination-log
          terminationMessagePolicy: File
          volumeMounts:
            - mountPath: /run/containerd
              name: run-containerd
            - mountPath: /var/log/pods
              name: var-log-pods
            - mountPath: /root/.ssh/authorized_keys
              name: ssh-dir
              subPath: authorized_keys
            - mountPath: /var/lib/kubelet
              mountPropagation: Bidirectional
              name: kubelet-dir
            - mountPath: /lib/modules
              name: modules-dir
              readOnly: true
            - mountPath: /etc/localtime
              name: localtime
              readOnly: true
            - mountPath: /run/udev
              name: udev-data
            - mountPath: /host
              mountPropagation: Bidirectional
              name: host-dir
            - mountPath: /sys
              name: sys-dir
            - mountPath: /dev
              name: dev-dir
            - mountPath: /sys/firmware/efi/efivars
              name: efivars
      dnsPolicy: ClusterFirstWithHostNet
      hostIPC: true
      hostPID: true
      hostNetwork: true
      restartPolicy: Always
      schedulerName: default-scheduler
      securityContext:
        runAsNonRoot: false
        seccompProfile:
          type: RuntimeDefault
      terminationGracePeriodSeconds: 30
      volumes:
        - hostPath:
            path: /
            type: ""
          name: hostfs
        - hostPath:
            path: /run/containerd
            type: ""
          name: run-containerd
        - hostPath:
            path: /var/lib/kubelet/plugins
            type: Directory
          name: plugins-dir
        - hostPath:
            path: /var/lib/kubelet/plugins_registry
            type: Directory
          name: registration-dir
        - hostPath:
            path: /var/lib/kubelet
            type: Directory
          name: kubelet-dir
        - hostPath:
            path: /dev
            type: Directory
          name: dev-dir
        - hostPath:
            path: /lib/modules
            type: ""
          name: modules-dir
        - hostPath:
            path: /etc/localtime
            type: ""
          name: localtime
        - hostPath:
            path: /run/udev
            type: ""
          name: udev-data
        - hostPath:
            path: /sys
            type: Directory
          name: sys-dir
        - hostPath:
            path: /
            type: Directory
          name: host-dir
        - hostPath:
            path: /var/log/pods
            type: ""
          name: var-log-pods
        - hostPath:
            path: /sys/firmware/efi/efivars
            type: ""
          name: efivars
        - configMap:
            defaultMode: 448
            name: ssh-dir
          name: ssh-dir
  updateStrategy:
    rollingUpdate:
      maxSurge: 0
      maxUnavailable: 1
    type: RollingUpdate

Now you can exec in this containers

Example to use zfs:

chroot /rootfs /usr/local/sbin/zpool status