feat(ipxe): adding configurations for ipxe support

This commit is contained in:
Philippe Caseiro 2022-12-01 17:59:08 +01:00
parent fc2c9a2a5f
commit d00e26ac3d
10 changed files with 525 additions and 8 deletions

209
butane/k8s-leader.yaml Normal file
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@ -0,0 +1,209 @@
variant: flatcar
version: 1.0.0
passwd:
users:
- name: cadoles
password_hash: "$y$j9T$7dNoyJBSiQ5dJ6.kLs17I0$G9VVQkBUddW2E6TVQchecSE94jNxLz4F3wguz5QkvD8"
groups:
- wheel
- sudo
ssh_authorized_keys:
- "ssh-rsa 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 Philippe Caseiro"
systemd:
units:
- name: install-cni.service
enabled: true
contents: |
[Unit]
Description=Install CNI plugins K8S
Wants = network-online.target
After = network.target network-online.target
ConditionPathExists=!/opt/cni/bin/firewall
[Service]
Type=forking
TimeoutStartSec=180
RemainAfterExit=yes
KillMode=process
Environment="CNI_VERSION=v0.8.2"
Environment="ARCH=amd64"
Environment="URL=https://github.com/containernetworking/plugins/releases/download/${CNI_VERSION}/cni-plugins-linux-${ARCH}-${CNI_VERSION}.tgz"
ExecStartPre=/bin/mkdir -p /opt/cni/bin
ExecStart=/bin/sh -c "/usr/bin/curl -L ${URL} | /usr/bin/tar -C /opt/cni/bin -xz"
[Install]
WantedBy=multi-user.target
- name: install-crictl.service
enabled: true
contents: |
[Unit]
Description=Install crictl
Wants = network-online.target
After = network.target network-online.target
ConditionPathExists=!/opt/bin/crictl
[Service]
Type=forking
TimeoutStartSec=180
RemainAfterExit=yes
KillMode=process
Environment="DOWNLOAD_DIR=/opt/bin"
Environment="CRICTL_VERSION=v1.22.0"
Environment="ARCH=amd64"
Environment="URL=https://github.com/kubernetes-sigs/cri-tools/releases/download/${CRICTL_VERSION}/crictl-${CRICTL_VERSION}-linux-${ARCH}.tar.gz"
ExecStartPre=/bin/mkdir -p ${DOWNLOAD_DIR}
ExecStart=/bin/sh -c "/usr/bin/curl -L ${URL} | /usr/bin/tar -C $DOWNLOAD_DIR -xz"
[Install]
WantedBy=multi-user.target
- name: install-kubernetes.service
enabled: true
contents: |
[Unit]
Description=Install K8S
Wants = network-online.target
After = network.target network-online.target
ConditionPathExists=!/opt/bin/kubelet
[Service]
WorkingDirectory=/opt/bin
Type=forking
TimeoutStartSec=180
RemainAfterExit=yes
KillMode=process
Environment="KUBE_RELEASE=v1.25.4"
Environment="ARCH=amd64"
Environment="DOWNLOAD_DIR=/opt/bin"
Environment="URL=https://storage.googleapis.com/kubernetes-release/release/${KUBE_RELEASE}/bin/linux/${ARCH}"
ExecStartPre=/bin/mkdir -p ${DOWNLOAD_DIR}
ExecStart=/bin/sh -c "/usr/bin/curl -L --remote-name-all ${URL}/{kubeadm,kubelet,kubectl}"
ExecStartPost=/bin/sh -c "/bin/chmod +x ${DOWNLOAD_DIR}/{kubeadm,kubelet,kubectl}"
[Install]
WantedBy=multi-user.target
- name: install-cilium.service
enabled: false
contents: |
[Unit]
Description=Install Cilium client
Wants = network-online.target
After = network.target network-online.target
ConditionPathExists=!/opt/bin/cilium
[Service]
WorkingDirectory=/opt/bin
Type=forking
TimeoutStartSec=180
RemainAfterExit=yes
KillMode=process
Environment="CILIUM_RELEASE=v0.12.8"
Environment="ARCH=amd64"
Environment="DOWNLOAD_DIR=/opt/bin"
Environment="URL=https://github.com/cilium/cilium-cli/releases/download/${CILIUM_RELEASE}/cilium-linux-${ARCH}.tar.gz
ExecStartPre=/bin/mkdir -p ${DOWNLOAD_DIR}
ExecStart=/bin/sh -c "/usr/bin/curl -L ${URL} | /usr/bin/tar -C ${DOWNLOAD_DIR} -xz"
[Install]
WantedBy=multi-user.target
- name: kubelet.service
enabled: true
contents: |
[Unit]
Description=The Kubernetes Node Agent
Documentation=https://kubernetes.io/docs/home/
Wants=network-online.target
After=network-online.target
[Service]
ExecStart=/opt/bin/kubelet
Restart=always
StartLimitInterval=0
RestartSec=10
[Install]
WantedBy=multi-user.target
dropins:
- name: 10-kubeadm.conf
contents: |
[Service]
Environment="KUBELET_KUBECONFIG_ARGS=--bootstrap-kubeconfig=/etc/kubernetes/bootstrap-kubelet.conf --kubeconfig=/etc/kubernetes/kubelet.conf"
Environment="KUBELET_CONFIG_ARGS=--config=/var/lib/kubelet/config.yaml"
EnvironmentFile=-/var/lib/kubelet/kubeadm-flags.env
EnvironmentFile=-/etc/default/kubelet
ExecStart=
ExecStart=/opt/bin/kubelet $KUBELET_KUBECONFIG_ARGS $KUBELET_CONFIG_ARGS $KUBELET_KUBEADM_ARGS $KUBELET_EXTRA_ARGS
- name: init-cluster.service
enabled: true
contents: |
[Unit]
Description=Kubernetes cluster init
Documentation=https://kubernetes.io/docs/home/
Wants=network-online.target
After=network-online.target install-kubernetes.service
ConditionPathExists=!/opt/libexec/kubernetes/kubelet-plugins/volume/exec/
[Service]
WorkingDirectory=/opt/bin
Type=forking
TimeoutStartSec=360
RemainAfterExit=yes
KillMode=process
Environment="caSecretKey=$(date | sha256sum | awk \'{print $1}`')"
Environment="SET_HOSTNAME=leader.ks.cadoles.com"
Environment="PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/opt/bin"
Environment="KUBECONFIG=/etc/kubernetes/admin.conf"
ExecStartPre=/bin/sh -c "/usr/bin/hostnamectl hostname ${SET_HOSTNAME}"
ExecStart=/opt/bin/kubeadm init --config /root/kubeadm-config.yaml --upload-certs
ExecStartPost=/bin/sh -c "/bin/mkdir -p /home/cadoles/.kube"
ExecStartPost=/bin/sh -c "/bin/cp -i /etc/kubernetes/admin.conf /home/cadoles/.kube/config"
ExecStartPost=/bin/sh -c "/bin/chown cadoles:cadoles /home/cadoles/.kube/config"
[Install]
WantedBy=multi-user.target
- name: install-network-cni.service
enabled: true
contents: |
[Unit]
Description=Install network CNI (calico)
Documentation=https://kubernetes.io/docs/home/
Wants=network-online.target
After=network-online.target init-cluster.service
ConditionPathExists=!/opt/cni/bin/calico
[Service]
WorkingDirectory=/opt/bin
Type=forking
TimeoutStartSec=360
RemainAfterExit=yes
KillMode=process
Environment="KUBECONFIG=/etc/kubernetes/admin.conf"
Environment="CIDR=10.244.0.0/16"
Environment="URL=https://raw.githubusercontent.com/projectcalico/calico/v3.24.5/manifests/calico.yaml"
ExecStart=/opt/bin/kubectl apply -f ${URL}
[Install]
WantedBy=multi-user.target
storage:
files:
- path: /etc/sysctl.d/k8s.conf
mode: 0600
contents:
inline: |
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
- path: /root/kubeadm-config.yaml
mode: 0644
contents:
inline: |
apiVersion: kubeadm.k8s.io/v1beta3
kind: InitConfiguration
certificateKey: b4edd5fb7aec1b90e06c68e090213621f621e31353a165dabeed0f8617c341b6
nodeRegistration:
name: leader.ks.cadoles.com
kubeletExtraArgs:
volume-plugin-dir: "/opt/libexec/kubernetes/kubelet-plugins/volume/exec/"
---
apiVersion: kubeadm.k8s.io/v1beta3
kind: ClusterConfiguration
networking:
podSubnet: 10.244.0.0/16
controllerManager:
extraArgs:
flex-volume-plugin-dir: "/opt/libexec/kubernetes/kubelet-plugins/volume/exec/"
---
apiVersion: kubeproxy.config.k8s.io/v1alpha1
kind: KubeProxyConfiguration
mode: "ipvs"
ipvs:
strictARP: true
---
kind: KubeletConfiguration
apiVersion: kubelet.config.k8s.io/v1beta1
cgroupDriver: systemd

View File

@ -66,14 +66,13 @@ systemd:
TimeoutStartSec=180
RemainAfterExit=yes
KillMode=process
Environment="RELEASE_VERSION=0.6.0"
Environment="RELEASE=v1.25.4"
Environment="KUBE_RELEASE=v1.25.4"
Environment="ARCH=amd64"
Environment="DOWNLOAD_DIR=/opt/bin"
Environment="URL=https://storage.googleapis.com/kubernetes-release/release/${RELEASE}/bin/linux/${ARCH}"
Environment="URL=https://storage.googleapis.com/kubernetes-release/release/${KUBE_RELEASE}/bin/linux/${ARCH}"
ExecStartPre=/bin/mkdir -p ${DOWNLOAD_DIR}
ExecStart=/bin/sh -c "/usr/bin/curl -L --remote-name-all ${URL}/{kubeadm,kubelet,kubectl}"
ExecStartPost=/bin/chmod +x ${DOWNLOAD_DIR}/{kubeadm,kubelet,kubectl}
ExecStartPost=/bin/sh -c "/bin/chmod +x ${DOWNLOAD_DIR}/{kubeadm,kubelet,kubectl}"
[Install]
WantedBy=multi-user.target
- name: kubelet.service
@ -100,16 +99,16 @@ systemd:
EnvironmentFile=-/var/lib/kubelet/kubeadm-flags.env
EnvironmentFile=-/etc/default/kubelet
ExecStart=
ExecStart=/usr/bin/kubelet $KUBELET_KUBECONFIG_ARGS $KUBELET_CONFIG_ARGS $KUBELET_KUBEADM_ARGS $KUBELET_EXTRA_ARGS
ExecStart=/opt/bin/kubelet $KUBELET_KUBECONFIG_ARGS $KUBELET_CONFIG_ARGS $KUBELET_KUBEADM_ARGS $KUBELET_EXTRA_ARGS
storage:
files:
- path: /etc/hostname
mode: 0644
mode: 0640
contents:
inline: node1
inline: worker.ks.cadoles.com
- path: /etc/sysctl.d/k8s.conf
mode: 0600
contents:
inline: |
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
net.bridge.bridge-nf-call-iptables = 1

40
butane/k8s.hcl Normal file
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@ -0,0 +1,40 @@
KubeCluster = {
Domain = "ks.cadoles.com"
PodCIDR = "10.244.0.0/16"
Users = [
{
Name = "cadoles"
PassHash = "$y$j9T$7dNoyJBSiQ5dJ6.kLs17I0$G9VVQkBUddW2E6TVQchecSE94jNxLz4F3wguz5QkvD8"
Groups = [
"wheel"
"sudo"
]
}
]
SSHAuthorizedKeys = [
"ssh-rsa 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 Philippe Caseiro"
]
Nodes = [
{
Name = "master0"
Role = "leader"
IP = "192.168.10.240/24"
Gateway = "192.168.10.254"
DNS = "192.168.5.53"
}
{
Name = "worker1"
Role = "worker"
IP = "192.168.10.241/24"
Gateway = "192.168.10.254"
DNS = "192.168.5.53"
}
{
Name = "worker2"
Role = "worker"
IP = "192.168.10.242/24"
Gateway = "192.168.10.254"
DNS = "192.168.5.53"
}
]
}

1
butane/k8s.json Normal file

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203
butane/k8s.yaml.hcl Normal file
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@ -0,0 +1,203 @@
variant: flatcar
version: 1.0.0
passwd:
users:
- name: cadoles
password_hash: "$y$j9T$7dNoyJBSiQ5dJ6.kLs17I0$G9VVQkBUddW2E6TVQchecSE94jNxLz4F3wguz5QkvD8"
groups:
- wheel
- sudo
ssh_authorized_keys:
- "ssh-rsa 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 Philippe Caseiro"
systemd:
units:
- name: install-cni.service
enabled: true
contents: |
[Unit]
Description=Install CNI plugins K8S
Wants = network-online.target
After = network.target network-online.target
ConditionPathExists=!/opt/cni/bin/firewall
[Service]
Type=forking
TimeoutStartSec=180
RemainAfterExit=yes
KillMode=process
Environment="CNI_VERSION=v0.8.2"
Environment="ARCH=amd64"
Environment="URL=https://github.com/containernetworking/plugins/releases/download/${CNI_VERSION}/cni-plugins-linux-${ARCH}-${CNI_VERSION}.tgz"
ExecStartPre=/bin/mkdir -p /opt/cni/bin
ExecStart=/bin/sh -c "/usr/bin/curl -L ${URL} | /usr/bin/tar -C /opt/cni/bin -xz"
[Install]
WantedBy=multi-user.target
- name: install-crictl.service
enabled: true
contents: |
[Unit]
Description=Install crictl
Wants = network-online.target
After = network.target network-online.target
ConditionPathExists=!/opt/bin/crictl
[Service]
Type=forking
TimeoutStartSec=180
RemainAfterExit=yes
KillMode=process
Environment="DOWNLOAD_DIR=/opt/bin"
Environment="CRICTL_VERSION=v1.22.0"
Environment="ARCH=amd64"
Environment="URL=https://github.com/kubernetes-sigs/cri-tools/releases/download/${CRICTL_VERSION}/crictl-${CRICTL_VERSION}-linux-${ARCH}.tar.gz"
ExecStartPre=/bin/mkdir -p ${DOWNLOAD_DIR}
ExecStart=/bin/sh -c "/usr/bin/curl -L ${URL} | /usr/bin/tar -C $DOWNLOAD_DIR -xz"
[Install]
WantedBy=multi-user.target
- name: install-kubernetes.service
enabled: true
contents: |
[Unit]
Description=Install K8S
Wants = network-online.target
After = network.target network-online.target
ConditionPathExists=!/opt/bin/kubelet
[Service]
WorkingDirectory=/opt/bin
Type=forking
TimeoutStartSec=180
RemainAfterExit=yes
KillMode=process
Environment="KUBE_RELEASE=v1.25.4"
Environment="ARCH=amd64"
Environment="DOWNLOAD_DIR=/opt/bin"
Environment="URL=https://storage.googleapis.com/kubernetes-release/release/${KUBE_RELEASE}/bin/linux/${ARCH}"
ExecStartPre=/bin/mkdir -p ${DOWNLOAD_DIR}
ExecStart=/bin/sh -c "/usr/bin/curl -L --remote-name-all ${URL}/{kubeadm,kubelet,kubectl}"
ExecStartPost=/bin/sh -c "/bin/chmod +x ${DOWNLOAD_DIR}/{kubeadm,kubelet,kubectl}"
[Install]
WantedBy=multi-user.target
- name: install-cilium.service
enabled: false
contents: |
[Unit]
Description=Install Cilium client
Wants = network-online.target
After = network.target network-online.target
ConditionPathExists=!/opt/bin/cilium
[Service]
WorkingDirectory=/opt/bin
Type=forking
TimeoutStartSec=180
RemainAfterExit=yes
KillMode=process
Environment="CILIUM_RELEASE=v0.12.8"
Environment="ARCH=amd64"
Environment="DOWNLOAD_DIR=/opt/bin"
Environment="URL=https://github.com/cilium/cilium-cli/releases/download/${CILIUM_RELEASE}/cilium-linux-${ARCH}.tar.gz
ExecStartPre=/bin/mkdir -p ${DOWNLOAD_DIR}
ExecStart=/bin/sh -c "/usr/bin/curl -L ${URL} | /usr/bin/tar -C ${DOWNLOAD_DIR} -xz"
[Install]
WantedBy=multi-user.target
- name: kubelet.service
enabled: true
contents: |
[Unit]
Description=The Kubernetes Node Agent
Documentation=https://kubernetes.io/docs/home/
Wants=network-online.target
After=network-online.target
[Service]
ExecStart=/opt/bin/kubelet
Restart=always
StartLimitInterval=0
RestartSec=10
[Install]
WantedBy=multi-user.target
dropins:
- name: 10-kubeadm.conf
contents: |
[Service]
Environment="KUBELET_KUBECONFIG_ARGS=--bootstrap-kubeconfig=/etc/kubernetes/bootstrap-kubelet.conf --kubeconfig=/etc/kubernetes/kubelet.conf"
Environment="KUBELET_CONFIG_ARGS=--config=/var/lib/kubelet/config.yaml"
EnvironmentFile=-/var/lib/kubelet/kubeadm-flags.env
EnvironmentFile=-/etc/default/kubelet
ExecStart=
ExecStart=/opt/bin/kubelet $KUBELET_KUBECONFIG_ARGS $KUBELET_CONFIG_ARGS $KUBELET_KUBEADM_ARGS $KUBELET_EXTRA_ARGS
- name: init-cluster.service
enabled: true
contents: |
[Unit]
Description=Kubernetes cluster init
Documentation=https://kubernetes.io/docs/home/
Wants=network-online.target
After=network-online.target install-kubernetes.service
ConditionPathExists=!/opt/libexec/kubernetes/kubelet-plugins/volume/exec/
[Service]
WorkingDirectory=/opt/bin
Type=forking
TimeoutStartSec=360
RemainAfterExit=yes
KillMode=process
Environment="caSecretKey=$(date | sha256sum | awk \'{print $1}`')"
Environment="SET_HOSTNAME=leader.ks.cadoles.com"
Environment="PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/opt/bin"
Environment="KUBECONFIG=/etc/kubernetes/admin.conf"
ExecStartPre=/bin/sh -c "/usr/bin/hostnamectl hostname ${SET_HOSTNAME}"
ExecStart=/opt/bin/kubeadm init --config /root/kubeadm-config.yaml --upload-certs
ExecStartPost=/bin/sh -c "/bin/mkdir -p /home/cadoles/.kube"
ExecStartPost=/bin/sh -c "/bin/cp -i /etc/kubernetes/admin.conf /home/cadoles/.kube/config"
ExecStartPost=/bin/sh -c "/bin/chown cadoles:cadoles /home/cadoles/.kube/config"
[Install]
WantedBy=multi-user.target
- name: install-network-cni.service
enabled: true
contents: |
[Unit]
Description=Install network CNI (calico)
Documentation=https://kubernetes.io/docs/home/
Wants=network-online.target
After=network-online.target init-cluster.service
ConditionPathExists=!/opt/cni/bin/calico
[Service]
WorkingDirectory=/opt/bin
Type=forking
TimeoutStartSec=360
RemainAfterExit=yes
KillMode=process
Environment="KUBECONFIG=/etc/kubernetes/admin.conf"
Environment="CIDR=10.244.0.0/16"
Environment="URL=https://raw.githubusercontent.com/projectcalico/calico/v3.24.5/manifests/calico.yaml"
ExecStart=/opt/bin/kubectl apply -f ${URL}
[Install]
WantedBy=multi-user.target
storage:
files:
- path: /etc/sysctl.d/k8s.conf
mode: 0600
contents:
inline: |
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
- path: /root/kubeadm-config.yaml
mode: 0644
contents:
inline: |
apiVersion: kubeadm.k8s.io/v1beta3
kind: InitConfiguration
certificateKey: b4edd5fb7aec1b90e06c68e090213621f621e31353a165dabeed0f8617c341b6
nodeRegistration:
name: leader.ks.cadoles.com
kubeletExtraArgs:
volume-plugin-dir: "/opt/libexec/kubernetes/kubelet-plugins/volume/exec/"
---
apiVersion: kubeadm.k8s.io/v1beta3
kind: ClusterConfiguration
networking:
podSubnet: 10.244.0.0/16
controllerManager:
extraArgs:
flex-volume-plugin-dir: "/opt/libexec/kubernetes/kubelet-plugins/volume/exec/"
---
kind: KubeletConfiguration
apiVersion: kubelet.config.k8s.io/v1beta1
cgroupDriver: systemd

1
butane/leader.json Normal file

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1
butane/worker.json Normal file
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@ -0,0 +1 @@
{"ignition":{"version":"3.3.0"},"passwd":{"users":[{"groups":["wheel","sudo"],"name":"cadoles","passwordHash":"$y$j9T$7dNoyJBSiQ5dJ6.kLs17I0$G9VVQkBUddW2E6TVQchecSE94jNxLz4F3wguz5QkvD8","sshAuthorizedKeys":["ssh-rsa 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 Philippe Caseiro"]}]},"storage":{"files":[{"path":"/etc/hostname","contents":{"compression":"","source":"data:,worker.ks.cadoles.com"},"mode":416},{"path":"/etc/sysctl.d/k8s.conf","contents":{"compression":"","source":"data:,net.bridge.bridge-nf-call-ip6tables%20%3D%201%0Anet.bridge.bridge-nf-call-iptables%20%3D%201"},"mode":384}]},"systemd":{"units":[{"contents":"[Unit]\nDescription=Install CNI plugins K8S\nWants = network-online.target\nAfter = network.target network-online.target\nConditionPathExists=!/opt/cni/bin/firewall\n[Service]\nType=forking\nTimeoutStartSec=180\nRemainAfterExit=yes\nKillMode=process\nEnvironment=\"CNI_VERSION=v0.8.2\"\nEnvironment=\"ARCH=amd64\"\nEnvironment=\"URL=https://github.com/containernetworking/plugins/releases/download/${CNI_VERSION}/cni-plugins-linux-${ARCH}-${CNI_VERSION}.tgz\"\nExecStartPre=/bin/mkdir -p /opt/cni/bin\nExecStart=/bin/sh -c \"/usr/bin/curl -L ${URL} | /usr/bin/tar -C /opt/cni/bin -xz\"\n[Install]\nWantedBy=multi-user.target\n","enabled":true,"name":"install-cni.service"},{"contents":"[Unit]\nDescription=Install crictl\nWants = network-online.target\nAfter = network.target network-online.target\nConditionPathExists=!/opt/bin/crictl\n[Service]\nType=forking\nTimeoutStartSec=180\nRemainAfterExit=yes\nKillMode=process\nEnvironment=\"DOWNLOAD_DIR=/opt/bin\"\nEnvironment=\"CRICTL_VERSION=v1.22.0\"\nEnvironment=\"ARCH=amd64\"\nEnvironment=\"URL=https://github.com/kubernetes-sigs/cri-tools/releases/download/${CRICTL_VERSION}/crictl-${CRICTL_VERSION}-linux-${ARCH}.tar.gz\"\nExecStartPre=/bin/mkdir -p ${DOWNLOAD_DIR}\nExecStart=/bin/sh -c \"/usr/bin/curl -L ${URL} | /usr/bin/tar -C $DOWNLOAD_DIR -xz\"\n[Install]\nWantedBy=multi-user.target\n","enabled":true,"name":"install-crictl.service"},{"contents":"[Unit]\nDescription=Install K8S\nWants = network-online.target\nAfter = network.target network-online.target\nConditionPathExists=!/opt/bin/kubelet\n[Service]\nWorkingDirectory=/opt/bin\nType=forking\nTimeoutStartSec=180\nRemainAfterExit=yes\nKillMode=process\nEnvironment=\"KUBE_RELEASE=v1.25.4\"\nEnvironment=\"ARCH=amd64\"\nEnvironment=\"DOWNLOAD_DIR=/opt/bin\"\nEnvironment=\"URL=https://storage.googleapis.com/kubernetes-release/release/${KUBE_RELEASE}/bin/linux/${ARCH}\"\nExecStartPre=/bin/mkdir -p ${DOWNLOAD_DIR}\nExecStart=/bin/sh -c \"/usr/bin/curl -L --remote-name-all ${URL}/{kubeadm,kubelet,kubectl}\"\nExecStartPost=/bin/sh -c \"/bin/chmod +x ${DOWNLOAD_DIR}/{kubeadm,kubelet,kubectl}\"\n[Install]\nWantedBy=multi-user.target\n","enabled":true,"name":"install-kubernetes.service"},{"contents":"[Unit]\nDescription=The Kubernetes Node Agent\nDocumentation=https://kubernetes.io/docs/home/\nWants=network-online.target\nAfter=network-online.target\n[Service]\nExecStart=/opt/bin/kubelet\nRestart=always\nStartLimitInterval=0\nRestartSec=10\n[Install]\nWantedBy=multi-user.target\n","dropins":[{"contents":"[Service]\nEnvironment=\"KUBELET_KUBECONFIG_ARGS=--bootstrap-kubeconfig=/etc/kubernetes/bootstrap-kubelet.conf --kubeconfig=/etc/kubernetes/kubelet.conf\"\nEnvironment=\"KUBELET_CONFIG_ARGS=--config=/var/lib/kubelet/config.yaml\"\nEnvironmentFile=-/var/lib/kubelet/kubeadm-flags.env\nEnvironmentFile=-/etc/default/kubelet\nExecStart=\nExecStart=/opt/bin/kubelet $KUBELET_KUBECONFIG_ARGS $KUBELET_CONFIG_ARGS $KUBELET_KUBEADM_ARGS $KUBELET_EXTRA_ARGS\n","name":"10-kubeadm.conf"}],"enabled":true,"name":"kubelet.service"}]}}

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log-queries
log-dhcp
port=0
listen-address=0.0.0.0
interface=eth0
enable-tftp
tftp-root=/srv/tftpboot
dhcp-no-override
pxe-prompt="Cadoles PXE Boot in",5
pxe-service=X86PC,"Booting from network the Cadoles way",menu/boot.ipxe
dhcp-range=192.168.40.20,proxy
dhcp-match=set:ipxe,175
dhcp-vendorclass=BIOS,PXEClient:Arch:00000
dhcp-boot=tag:!ipxe,tag:BIOS,undionly.kpxe,192.168.40.20
dhcp-boot=tag:!ipxe,tag:!BIOS,ipxe.efi,192.168.40.20
dhcp-boot=tag:ipxe,menu/boot.ipxe

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port=80
user=minihttpd
dir=/srv/os/butane
nochroot

38
ipxe/tftpboot/menu.ipxe Normal file
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#!ipxe
:start
menu Cadoles PXE Boot Options
item shell iPXE shell
item klead CadolesKube Leader
item kmaster CadolesKube Master
item knode CadolesKube Node
item exit Exit to BIOS
choose --default exit --timeout 10000 option && goto ${option}
:shell
shell
:klead
set base-url http://stable.release.flatcar-linux.net/amd64-usr/current
set ignition-url http://192.168.10.177:8001/leader.json
kernel ${base-url}/flatcar_production_pxe.vmlinuz initrd=flatcar_production_pxe_image.cpio.gz flatcar.first_boot=1 ignition.config.url=${ignition-url}
initrd ${base-url}/flatcar_production_pxe_image.cpio.gz
boot
:kmaster
set base-url http://stable.release.flatcar-linux.net/amd64-usr/current
set ignition-url http://192.168.10.177:8001/master.json
kernel ${base-url}/flatcar_production_pxe.vmlinuz initrd=flatcar_production_pxe_image.cpio.gz flatcar.first_boot=1 ignition.config.url=${ignition-url}
initrd ${base-url}/flatcar_production_pxe_image.cpio.gz
:knode
set base-url http://stable.release.flatcar-linux.net/amd64-usr/current
set ignition-url http://192.168.10.177:8001/worker.json
kernel ${base-url}/flatcar_production_pxe.vmlinuz initrd=flatcar_production_pxe_image.cpio.gz flatcar.first_boot=1 ignition.config.url=${ignition-url}
initrd ${base-url}/flatcar_production_pxe_image.cpio.gz
:exit
exit