84 lines
2.3 KiB
YAML
84 lines
2.3 KiB
YAML
- name: Check remote IP set
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assert:
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that:
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- netconsole_remote_ip is defined
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- netconsole_remote_port is defined
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fail_msg: "Must set remote host and port"
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- name: Register netconsole target var
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set_fact:
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nc_target: '/sys/kernel/config/netconsole/target1'
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- name: Everything needs root
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become: yes
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block:
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# netconsole requires the device to send packtes from and the
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# destination MAC. This works for hosts on the same subnet, but the
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# way to get packets out to the world is to specify the default gw as
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# the remote destination.
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- name: Get default gateway
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shell: "ip route | grep default | awk '{print $3}'"
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register: default_gw_cmd
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- name: Save default gateway
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set_fact:
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default_gw: '{{ default_gw_cmd.stdout }}'
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- name: Get default gateway MAC
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shell: "arp {{ default_gw }} | grep {{ default_gw }} | awk '{print $3}'"
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register: default_gw_cmd_mac
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- name: Save default gateway MAC
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set_fact:
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default_gw_mac: '{{ default_gw_cmd_mac.stdout }}'
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- name: Get default device
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shell: "ip route | grep default | awk '{print $5}'"
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register: default_gw_cmd_dev
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- name: Save default device
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set_fact:
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default_gw_dev: '{{ default_gw_cmd_dev.stdout }}'
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- name: Install configfs
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command: modprobe configfs
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- name: Install netconsole
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command: modprobe netconsole
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- name: Mount configfs
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mount:
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path: /sys/kernel/config
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fstype: configfs
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src: configfs
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state: mounted
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- name: Make netconsole target directory
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file:
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path: '{{ nc_target }}'
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state: directory
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mode: 0755
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- name: Configure gateway
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shell: 'echo {{ default_gw_dev }} > {{ nc_target }}/dev_name'
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- name: Configure gateway MAC
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shell: 'echo {{ default_gw_mac }} > {{ nc_target }}/remote_mac'
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- name: Configure remote IP
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shell: 'echo {{ netconsole_remote_ip }} > {{ nc_target }}/remote_ip'
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- name: Configure remote port
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shell: 'echo {{ netconsole_remote_port }} > {{ nc_target }}/remote_port'
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- name: Enable netconsole
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shell: 'echo 1 > {{ nc_target }}/enabled'
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- name: Turn up dmesg
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command: dmesg -n 8
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- name: Send a test message
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shell: "echo 'netconsole enabled' > /dev/kmsg"
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