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#cloud - config
%{ if length(extra_ssh_keys) > 0 }
ssh_authorized_keys:
%{ for ssh_key in extra_ssh_keys }
- ${ ssh_key }
%{ endfor }
%{ endif }
runcmd:
- echo "net.ipv4.neigh.default.gc_interval = 3600" >> /etc/sysctl.conf
- echo "net.ipv4.neigh.default.gc_stale_time = 3600" >> /etc/sysctl.conf
- echo "net.ipv4.neigh.default.gc_thresh3 = 16384" >> /etc/sysctl.conf
- echo "net.ipv4.neigh.default.gc_thresh2 = 8192" >> /etc/sysctl.conf
- echo "net.ipv4.neigh.default.gc_thresh1 = 4096" >> /etc/sysctl.conf
- echo "fs.file-max = 12000500" >> /etc/sysctl.conf
- echo "fs.nr_open = 20000500" >> /etc/sysctl.conf
- echo "net.ipv4.tcp_mem = '10000000 10000000 10000000'" >> /etc/sysctl.conf
- echo "net.ipv4.tcp_rmem = '1024 4096 16384'" >> /etc/sysctl.conf
- echo "net.ipv4.tcp_wmem = '1024 4096 16384'" >> /etc/sysctl.conf
- echo "net.core.rmem_max = 16384" >> /etc/sysctl.conf
- echo "net.core.wmem_max = 16384" >> /etc/sysctl.conf
- ulimit -n 20000
- echo " # <domain> <type> <item> <value>" >> /etc/security/limits.d/limits.conf
- echo " * soft nofile 20000" >> /etc/security/limits.d/limits.conf
- echo " * hard nofile 20000" >> /etc/security/limits.d/limits.conf
- sysctl -p
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- wget https://raw.githubusercontent.com/galal-hussein/k3s/scale_test/k3s
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- cp k3s /usr/local/bin/k3s
- chmod +x /usr/local/bin/k3s
- until (curl -sfL https://get.k3s.io | INSTALL_K3S_VERSION= ${ install_k3s_version } INSTALL_K3S_EXEC=" ${ k3s_exec } " K3S_URL=https:// ${ k3s_url } :6443 K3S_CLUSTER_SECRET=" ${ k3s_cluster_secret } " sh -); do echo 'k3s did not install correctly'; sleep 1; done
