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#!/usr/bin/env bash
playbook_add() {
local version
version="1.29"
case "${BASHTARD_PLATFORM[key]}" in
linux-debian_gnu_linux)
# Fetch the apt key
info "$BASHTARD_PLAYBOOK" "Adding apt repository"
mkdir -pv -m 755 -- /etc/apt/keyrings
curl -fsSL "https://pkgs.k8s.io/core:/stable:/v$version/deb/Release.key" \
| gpg --dearmor \
> /etc/apt/keyrings/kubernetes-apt-keyring.gpg
printf "deb [signed-by=%s] %s /\n" \
"/etc/apt/keyrings/kubernetes-apt-keyring.gpg" \
"https://pkgs.k8s.io/core:/stable:/v$version/deb/" \
> /etc/apt/sources.list.d/kubernetes.list
apt update
;;
esac
pkg install containerd
pkg install kubeadm
pkg install kubectl
pkg install kubelet
info "$BASHTARD_PLAYBOOK" "Enabling forwarding"
cat <<-EOF > "$(config "fs.etcdir")/sysctl.d/kubernetes.conf"
net.bridge.bridge-nf-call-iptables = 1
net.bridge.bridge-nf-call-ip6tables = 1
net.ipv4.ip_forward = 1
net.ipv6.conf.all.forwarding = 1
EOF
sysctl --system
info "$BASHTARD_PLAYBOOK" "Enabling kernel modules"
cat <<-EOF > "$(config "fs.etcdir")/modules-load.d/kubernetes.conf"
br_netfilter
overlay
EOF
modprobe overlay
modprobe br_netfilter
notice "$BASHTARD_PLAYBOOK" "Creating data directories"
mkdir -pv -- "$(playbook_path "data")/manifests.d"
if [[ "$(config "$BASHTARD_PLAYBOOK.flags.apiserver-advertise-address" "")" != "" ]]
then
notice "$BASHTARD_PLAYBOOK" "Setting node ip in $(config "fs.etcdir")/default/kubelet"
cat <<-EOF > "$(config "fs.etcdir")/default/kubelet"
KUBELET_EXTRA_ARGS="--node-ip=$(config "$BASHTARD_PLAYBOOK.flags.apiserver-advertise-address")"
EOF
fi
notice "$BASHTARD_PLAYBOOK" "Initialize kubeadm"
kubeadm init \
--apiserver-advertise-address="$(config "$BASHTARD_PLAYBOOK.flags.apiserver-advertise-address" "127.0.0.1")" \
--apiserver-bind-port="$(config "$BASHTARD_PLAYBOOK.flags.apiserver-bind-port" "6443")" \
--control-plane-endpoint="$(config "$BASHTARD_PLAYBOOK.flags.control-plane-endpoint" "localhost")" \
--node-name="${BASHTARD_PLATFORM[fqdn]}" \
--service-cidr="$(config "$BASHTARD_PLAYBOOK.flags.service-cidr" "10.96.0.0/12")" \
--service-dns-domain="$(config "$BASHTARD_PLAYBOOK.flags.service-dns-domain" "cluster.local")" \
--pod-network-cidr="$(config "$BASHTARD_PLAYBOOK.flags.pod-network-cidr" "10.0.0.0/12")" \
|| return 1
playbook_sync
return 0
}
playbook_sync() {
local data
local kubeconfig
local manifest_prefix
local values
data="$(playbook_path "data")"
kubeconfig="$(config "fs.etcdir")/kubernetes/admin.conf"
manifest_prefix="$(config "$BASHTARD_PLAYBOOK.manifest-prefix" "")"
notice "$BASHTARD_PLAYBOOK/manifests" "Applying manifests.d"
kubectl --kubeconfig "$kubeconfig" apply --recursive --filename "$data/manifests.d/$manifest_prefix"
}
playbook_del() {
kubeadm reset --force
iptables -F && iptables -t nat -F && iptables -t mangle -F && iptables -X
ipvsadm -C
rm -fr -- \
"$(config "fs.etcdir")/modules-load.d/kubernetes.conf" \
"$(config "fs.etcdir")/sysctl.d/kubernetes.conf" \
"$(config "fs.etcdir")/cni/net.d" \
"$(config "fs.etcdir")/kubernetes" \
"/var/lib/etcd" \
"/var/lib/cni"
pkg uninstall kubectl
pkg uninstall kubeadm
pkg uninstall kubelet
pkg uninstall containerd
case "${BASHTARD_PLATFORM[key]}" in
linux-debian_gnu_linux)
# Fetch the apt key
info "$BASHTARD_PLAYBOOK" "Removing apt repository"
rm -fr -- \
/etc/apt/keyrings/kubernetes-apt-keyring.gpg \
/etc/apt/sources.list.d/kubernetes.list
;;
esac
}
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