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Use node-ip and node-external-ip flags for proper intra node traffic #87

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merged 1 commit into from
Sep 24, 2024
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Use node-ip and node-external-ip flags for proper intra node traffic #87

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18 changes: 11 additions & 7 deletions modules/k3s_cluster/templates/user-data.tftpl
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Original file line number Diff line number Diff line change
Expand Up @@ -200,7 +200,9 @@ install_metallb(){
}

install_k3s(){
apt update && apt install curl -y
# Curl is needed to download the k3s binary
# Jq is needed to parse the Equinix Metal metadata (json format)
apt update && apt install curl jq -y

# Download the K3s installer script
curl -L --output k3s_installer.sh https://get.k3s.io && install -m755 k3s_installer.sh /usr/local/bin/
Expand All @@ -217,25 +219,27 @@ install_k3s(){

export INSTALL_K3S_SKIP_START=false
export K3S_TOKEN="${k3s_token}"
export NODE_IP=$(curl -s https://metadata.platformequinix.com/metadata | jq -r '.network.addresses[] | select(.public == false and .address_family == 4) |.address')
export NODE_EXTERNAL_IP=$(curl -s https://metadata.platformequinix.com/metadata | jq -r '.network.addresses[] | select(.public == true and .address_family == 4) |.address')
%{ if node_type == "all-in-one" ~}
%{ if global_ip_cidr != "" ~}
export INSTALL_K3S_EXEC="server --write-kubeconfig-mode=644 --disable=servicelb"
export INSTALL_K3S_EXEC="server --write-kubeconfig-mode=644 --disable=servicelb --node-ip $${NODE_IP} --node-external-ip $${NODE_EXTERNAL_IP}"
%{ else ~}
%{ if ip_pool != "" ~}
export INSTALL_K3S_EXEC="server --write-kubeconfig-mode=644 --disable=servicelb"
export INSTALL_K3S_EXEC="server --write-kubeconfig-mode=644 --disable=servicelb --node-ip $${NODE_IP} --node-external-ip $${NODE_EXTERNAL_IP}"
%{ else ~}
export INSTALL_K3S_EXEC="server --write-kubeconfig-mode=644"
export INSTALL_K3S_EXEC="server --write-kubeconfig-mode=644 --node-ip $${NODE_IP} --node-external-ip $${NODE_EXTERNAL_IP}"
%{ endif ~}
%{ endif ~}
%{ endif ~}
%{ if node_type == "control-plane-master" ~}
export INSTALL_K3S_EXEC="server --cluster-init --write-kubeconfig-mode=644 --tls-san=${API_IP} --tls-san=${API_IP}.sslip.io --disable=servicelb"
export INSTALL_K3S_EXEC="server --cluster-init --write-kubeconfig-mode=644 --tls-san=${API_IP} --tls-san=${API_IP}.sslip.io --disable=servicelb --node-ip $${NODE_IP} --node-external-ip $${NODE_EXTERNAL_IP}"
%{ endif ~}
%{ if node_type == "control-plane" ~}
export INSTALL_K3S_EXEC="server --server https://${API_IP}:6443 --write-kubeconfig-mode=644"
export INSTALL_K3S_EXEC="server --server https://${API_IP}:6443 --write-kubeconfig-mode=644 --node-ip $${NODE_IP} --node-external-ip $${NODE_EXTERNAL_IP}"
%{ endif ~}
%{ if node_type == "node" ~}
export K3S_URL="https://${API_IP}:6443"
export INSTALL_K3S_EXEC="agent --server https://${API_IP}:6443 --node-ip $${NODE_IP} --node-external-ip $${NODE_EXTERNAL_IP}"
%{ endif ~}
%{ if k3s_version != "" ~}
export INSTALL_K3S_VERSION=${k3s_version}
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