60 lines
2.3 KiB
YAML
60 lines
2.3 KiB
YAML
- name: Set sysctl settings for ip-forwarding
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copy:
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dest: "/etc/sysctl.d/ip-forwarding.conf"
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content: |
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net.ipv4.ip_forward = 1
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net.ipv6.conf.all.forwarding = 1
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notify: reload_sysctl
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- name: Check if the sysctl configuration file exists
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stat:
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path: "/etc/sysctl.d/ipv6-slaac-address-generation.conf"
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register: sysctl_conf
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- block:
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# - name: Generate IPv6 stable-secret segments
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# set_fact:
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# stable_secret_segments: "{{ stable_secret_segments | default() + '%0x' | format(range(0, 2**(16*2)) | random(seed=ipv6_stable_secret_seed+inventory_hostname+(stable_secret_segments | default()))) }}"
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# loop: "{{ range(4) }}"
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# - name: Format IPv6 stable-secret segments
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# set_fact:
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# ipv6_stable_secret: "{{ stable_secret_segments | regex_replace('(.{4})(?=.)', '\\1:') }}"
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- name: Generate random IPv6 stable-secret
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set_fact:
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ipv6_stable_secret: "{{ 'fd' + (lookup('password', '/dev/null length=30 chars=hex')).split('.')[0][:7] + '::' + (lookup('password', '/dev/null length=4 chars=hex')) }}"
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- name: Set sysctl settings for ipv6-address-generation
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copy:
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dest: "/etc/sysctl.d/ipv6-slaac-address-generation.conf"
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content: |
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{% if ansible_facts.default_ipv6.interface is defined %}
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net.ipv6.conf.{{ ansible_facts.default_ipv6.interface }}.addr_gen_mode = 2
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net.ipv6.conf.{{ ansible_facts.default_ipv6.interface }}.stable_secret = {{ ipv6_stable_secret }}
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{% else %}
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net.ipv6.conf.{{ ansible_facts.default_ipv4.interface }}.addr_gen_mode = 2
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net.ipv6.conf.{{ ansible_facts.default_ipv4.interface }}.stable_secret = {{ ipv6_stable_secret }}
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{% endif %}
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notify: reload_sysctl
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when:
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- ansible_facts.default_ipv6 is defined
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- not sysctl_conf.stat.exists
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- name: Set sysctl settings to override ipv6-slaac with enabled forwarding
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copy:
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dest: "/etc/sysctl.d/ipv6-slaac-override.conf"
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content: |
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net.ipv6.conf.all.accept_ra = 2
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notify: reload_sysctl
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- name: Set sysctl settings for TCP BBR
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copy:
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dest: "/etc/sysctl.d/tcp-bbr.conf"
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content: |
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net.core.default_qdisc = fq
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net.ipv4.tcp_congestion_control = bbr
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when:
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- ansible_kernel is version('4.9', '>=')
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notify: reload_sysctl
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