62 lines
1.7 KiB
YAML
62 lines
1.7 KiB
YAML
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---
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# Check the CURRENT cgroup level; we get this from /proc/cmdline
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- name: check current kernel options
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shell: fgrep systemd.unified_cgroup_hierarchy=0 /proc/cmdline
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register: result
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ignore_errors: true
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- name: determine current cgroups | assume v2
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set_fact: current_cgroups=2
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- name: determine current cgroups | looks like v1
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set_fact: current_cgroups=1
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when: result is succeeded
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- debug:
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msg: "want: v{{ want_cgroups }} actual: v{{ current_cgroups }}"
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# Update grubenv file to reflect the desired cgroup level
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- name: remove cgroup option from kernel flags
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shell:
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cmd: sed -i -e "s/^\(kernelopts=.*\)systemd\.unified_cgroup_hierarchy=.\(.*\)/\1\2/" /boot/grub2/grubenv
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warn: false
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- name: add it with the desired value
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shell:
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cmd: sed -i -e "s/^\(kernelopts=.*\)/\1 systemd.unified_cgroup_hierarchy=0/" /boot/grub2/grubenv
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warn: false
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when: want_cgroups == 1
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# If want != have, reboot
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- name: reboot
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reboot:
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reboot_timeout: 900
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register: back_again
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ignore_errors: yes
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when: want_cgroups|int != current_cgroups|int
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- name: wait and reconnect
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wait_for_connection:
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timeout: 900
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register: back_again2
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when: want_cgroups|int != current_cgroups|int and not back_again.changed
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- set_fact:
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expected_fstype:
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- none
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- tmpfs
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- cgroup2fs
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- name: confirm cgroups setting
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shell: stat -f -c "%T" /sys/fs/cgroup
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register: fstype
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- debug:
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msg: "stat(/sys/fs/cgroup) = {{ fstype.stdout }}"
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- name: system cgroups is the expected type
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assert:
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that:
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- fstype.stdout == expected_fstype[want_cgroups|int]
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fail_msg: "stat(/sys/fs/cgroup) = {{ fstype.stdout }} (expected {{ expected_fstype[want_cgroups|int] }})"
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