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feat: k3s role

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NaeiKinDus 2024-02-04 14:48:13 +00:00
parent b7a09296bc
commit 83c6ce3513
16 changed files with 285 additions and 0 deletions
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22
collections/ansible_collections/nullified/infrastructure/roles/k3s/templates/nftables.d/k3s_agents.nft.j2 Normal file
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# K3S source: agents
table inet filter {
chain input {
# inter-node communication
## UDP
{%+ if k3s_nft_servers4 or k3s_nft_agents4 %}ip saddr { {{ (k3s_nft_servers4 + k3s_nft_agents4) | join(', ') }} } udp dport { 8472, 51820 } accept{%- endif +%}
{%+ if k3s_nft_servers6 or k3s_nft_agents6 %}ip6 saddr { {{ (k3s_nft_servers6 + k3s_nft_agents6) | join(', ') }} } udp dport { 8472, 51821 } accept{%- endif +%}
## TCP
{%+ if k3s_nft_servers4 or k3s_nft_agents4 %}ip saddr { {{ (k3s_nft_servers4 + k3s_nft_agents4) | join(', ') }} } tcp dport { 5001, 6443, 10250 } accept{%- endif +%}
{%+ if k3s_nft_servers6 or k3s_nft_agents6 %}ip6 saddr { {{ (k3s_nft_servers6 + k3s_nft_agents6) | join(', ') }} } tcp dport { 5001, 6443, 10250 } accept{%- endif +%}
}
chain output {
# inter-node communication
## UDP
{%+ if k3s_nft_servers4 or k3s_nft_agents4 %}ip daddr { {{ (k3s_nft_servers4 + k3s_nft_agents4) | join(', ') }} } udp dport { 8472, 51820 } accept{%- endif +%}
{%+ if k3s_nft_servers6 or k3s_nft_agents6 %}ip6 daddr { {{ (k3s_nft_servers6 + k3s_nft_agents6) | join(', ') }} } udp dport { 8472, 51821 } accept{%- endif +%}
## TCP
{%+ if k3s_nft_servers4 or k3s_nft_agents4 %}ip daddr { {{ (k3s_nft_servers4 + k3s_nft_agents4) | join(', ') }} } tcp dport { 5001, 6443, 10250 } accept{%- endif +%}
{%+ if k3s_nft_servers6 or k3s_nft_agents6 %}ip6 daddr { {{ (k3s_nft_servers6 + k3s_nft_agents6) | join(', ') }} } tcp dport { 5001, 6443, 10250 } accept{%- endif +%}
}
}

44
collections/ansible_collections/nullified/infrastructure/roles/k3s/templates/nftables.d/k3s_servers.nft.j2 Normal file
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# K3S source: servers
table inet filter {
chain input {
# operators access
{%+ if k3s_nft_operators4 %}ip saddr { {{ k3s_nft_operators4 | join(', ') }} } tcp dport { 6443 } accept{%- endif +%}
{%+ if k3s_nft_operators6 %}ip saddr { {{ k3s_nft_operators6 | join(', ') }} } tcp dport { 6443 } accept{%- endif +%}
# required only for HA with embedded etcd
{%+ if k3s_nft_servers4 %}ip saddr { {{ k3s_nft_servers4 | join(',') }} } tcp dport { 2379, 2380 } accept{%- endif +%}
{%+ if k3s_nft_servers6 %}ip6 saddr { {{ k3s_nft_servers6 | join(',') }} } tcp dport { 2379, 2380 } accept{%- endif +%}
# inter-node communication
## UDP
{%+ if k3s_nft_servers4 or k3s_nft_agents4 %}ip saddr { {{ (k3s_nft_servers4 + k3s_nft_agents4) | join(', ') }} } udp dport { 8472, 51820 } accept{%- endif +%}
{%+ if k3s_nft_servers6 or k3s_nft_agents6 %}ip6 saddr { {{ (k3s_nft_servers6 + k3s_nft_agents6) | join(', ') }} } udp dport { 8472, 51821 } accept{%- endif +%}
## TCP
{%+ if k3s_nft_servers4 or k3s_nft_agents4 %}ip saddr { {{ (k3s_nft_servers4 + k3s_nft_agents4) | join(', ') }} } tcp dport { 5001, 6443, 10250 } accept{%- endif +%}
{%+ if k3s_nft_servers6 or k3s_nft_agents6 %}ip6 saddr { {{ (k3s_nft_servers6 + k3s_nft_agents6) | join(', ') }} } tcp dport { 5001, 6443, 10250 } accept{%- endif +%}
{%+ if k3s_cluster_cidr | ansible.utils.ipv4 %}ip saddr {{ k3s_cluster_cidr }} meta l4proto { tcp, udp } accept{%- endif +%}
{%+ if k3s_cluster_cidr | ansible.utils.ipv6 %}ip6 saddr {{ k3s_cluster_cidr }} meta l4proto { tcp, udp } accept{%- endif +%}
{%+ if k3s_service_cidr | ansible.utils.ipv4 %}ip saddr {{ k3s_service_cidr }} meta l4proto { tcp, udp } accept{%- endif +%}
{%+ if k3s_service_cidr | ansible.utils.ipv6 %}ip6 saddr {{ k3s_service_cidr }} meta l4proto { tcp, udp } accept{%- endif +%}
}
chain output {
# required only for HA with embedded etcd
{%+ if k3s_nft_servers4 %}ip daddr { {{ k3s_nft_servers4 | join(',') }} } tcp dport { 2379, 2380 } accept{%- endif +%}
{%+ if k3s_nft_servers6 %}ip6 daddr { {{ k3s_nft_servers6 | join(',') }} } tcp dport { 2379, 2380 } accept{%- endif +%}
# inter-node communication
## UDP
{%+ if k3s_nft_servers4 or k3s_nft_agents4 %}ip daddr { {{ (k3s_nft_servers4 + k3s_nft_agents4) | join(', ') }} } udp dport { 8472, 51820 } accept{%- endif +%}
{%+ if k3s_nft_servers6 or k3s_nft_agents6 %}ip6 daddr { {{ (k3s_nft_servers6 + k3s_nft_agents6) | join(', ') }} } udp dport { 8472, 51821 } accept{%- endif +%}
## TCP
{%+ if k3s_nft_servers4 or k3s_nft_agents4 %}ip daddr { {{ (k3s_nft_servers4 + k3s_nft_agents4) | join(', ') }} } tcp dport { 5001, 6443, 10250 } accept{%- endif +%}
{%+ if k3s_nft_servers6 or k3s_nft_agents6 %}ip6 daddr { {{ (k3s_nft_servers6 + k3s_nft_agents6) | join(', ') }} } tcp dport { 5001, 6443, 10250 } accept{%- endif +%}
{%+ if k3s_cluster_cidr | ansible.utils.ipv4 %}ip daddr {{ k3s_cluster_cidr }} meta l4proto { tcp, udp } accept{%- endif +%}
{%+ if k3s_cluster_cidr | ansible.utils.ipv6 %}ip6 daddr {{ k3s_cluster_cidr }} meta l4proto { tcp, udp } accept{%- endif +%}
{%+ if k3s_service_cidr | ansible.utils.ipv4 %}ip daddr {{ k3s_service_cidr }} meta l4proto { tcp, udp } accept{%- endif +%}
{%+ if k3s_service_cidr | ansible.utils.ipv6 %}ip6 daddr {{ k3s_service_cidr }} meta l4proto { tcp, udp } accept{%- endif +%}
}
}