Ludovic Poujol
5cc7c13104
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Ansible Lint |Total|New|Outstanding|Fixed|Trend
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|2627|4|2623|2|:-1:
Reference build: <a href="https://jenkins.evolix.org/job/gitea/job/ansible-roles/job/unstable/326//ansiblelint">Evolix » ansible-roles » unstable #326</a>
gitea/ansible-roles/pipeline/head This commit looks good
94 lines
2.7 KiB
YAML
94 lines
2.7 KiB
YAML
---
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- name: "Use Cloud kernel on virtual servers"
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ansible.builtin.apt:
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name: "linux-image-cloud-amd64"
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state: present
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register: _use_cloud_kernel
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when:
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- ansible_machine == "x86_64"
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- ansible_virtualization_role == "guest"
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- evolinux_kernel_cloud_auto | bool
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- name: "Remove non-Cloud kernel on virtual servers"
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ansible.builtin.apt:
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name: "linux-image-amd64"
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state: absent
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when:
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- ansible_machine == "x86_64"
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- ansible_virtualization_role == "guest"
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- evolinux_kernel_cloud_auto | bool
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- name: "Reboot the server to enable the new kernel"
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ansible.builtin.reboot:
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reboot_timeout: 600
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search_paths: ['/lib/molly-guard', '/sbin']
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when:
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- _use_cloud_kernel is changed
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- evolinux_kernel_cloud_reboot | bool
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- name: Reboot after panic
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ansible.posix.sysctl:
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name: "{{ item.name }}"
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value: "{{ item.value }}"
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sysctl_file: "{{ evolinux_kernel_sysctl_path }}"
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state: present
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reload: yes
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loop:
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- { name: kernel.panic_on_oops, value: 1 }
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- { name: kernel.panic, value: 60 }
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when: evolinux_kernel_reboot_after_panic | bool
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- name: Don't reboot after panic
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ansible.posix.sysctl:
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name: "{{ item }}"
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sysctl_file: "{{ evolinux_kernel_sysctl_path }}"
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state: absent
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reload: yes
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loop:
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- kernel.panic_on_oops
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- kernel.panic
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when: not evolinux_kernel_reboot_after_panic | bool
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- name: Disable net.ipv4.tcp_timestamps
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ansible.posix.sysctl:
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name: net.ipv4.tcp_timestamps
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value: '0'
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sysctl_file: "{{ evolinux_kernel_sysctl_path }}"
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state: present
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reload: yes
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when: evolinux_kernel_disable_tcp_timestamps | bool
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- name: Customize the swappiness
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ansible.posix.sysctl:
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name: vm.swappiness
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value: "{{ evolinux_kernel_swappiness }}"
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sysctl_file: "{{ evolinux_kernel_sysctl_path }}"
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state: present
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reload: yes
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when: evolinux_kernel_customize_swappiness | bool
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- name: Patch for TCP stack vulnerability CVE-2016-5696
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ansible.posix.sysctl:
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name: net.ipv4.tcp_challenge_ack_limit
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value: "1073741823"
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sysctl_file: "{{ evolinux_kernel_sysctl_path }}"
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state: present
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reload: yes
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when: evolinux_kernel_cve20165696 | bool
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- name: Patch for TCP stack vulnerability CVE-2018-5391 (FragmentSmack)
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ansible.posix.sysctl:
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name: "{{ item.name }}"
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value: "{{ item.value }}"
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sysctl_file: "{{ evolinux_kernel_sysctl_path }}"
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state: present
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reload: yes
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loop:
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- { name: "net.ipv4.ipfrag_low_thresh", value: "196608" }
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- { name: "net.ipv6.ip6frag_low_thresh", value: "196608" }
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- { name: "net.ipv4.ipfrag_high_thresh", value: "262144" }
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- { name: "net.ipv6.ip6frag_high_thresh", value: "262144" }
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- ansible.builtin.meta: flush_handlers
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