feat: Created initial bootstrap script

This commit is contained in:
2025-11-22 06:02:05 +01:00
commit 187c8bd787
2 changed files with 155 additions and 0 deletions

119
bootstrap.sh Executable file
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#!/usr/bin/env bash
set -euo pipefail
tools=(talosctl cilium-cli yq helm)
cilium_version=1.18.4
for tool in "${tools[@]}"; do
command -v ${tool} > /dev/null || (echo "Missing: ${tool}" && exit -1)
done
cluster_name="${1:-}"
if [ -z "${cluster_name}" ]; then
echo "No cluster name has been specified."
exit -1
fi
bootstrap_ip="${2:-}"
if [ -z "${bootstrap_ip}" ]; then
echo "No bootstrap ip has been specified."
exit -1
fi
TALOSCONFIG=${TALOSCONFIG:-}
if [ -z "${TALOSCONFIG}" ]; then
echo "TALOSCONFIG is not set, please make sure to run \`. ./rendered/source.sh\` in the metal repository."
exit -1
fi
if [ ! -f "${TALOSCONFIG}" ]; then
echo "File specified in TALOSCONFIG (${TALOSCONFIG}) does not exist, make sure to generate it using \`./rendered/generate_configs.sh\` in the metal repository."
fi
clusters=($(cat $TALOSCONFIG | yq '.contexts | keys' -o csv | tr ',' ' '))
if [[ ! "${clusters[*]}" =~ "${cluster_name}" ]]; then
echo "Cluster '${cluster_name}' does not exist."
echo "Available clusters:"
for (( i=0; i<${#clusters[@]}; i++ )); do
echo -e "\t${clusters[$i]}"
done
exit -1
fi
KUBECONFIG=${KUBECONFIG:-}
if [ -z "${KUBECONFIG}" ]; then
echo "KUBECONFIG is not set, please make sure to run \`. ./rendered/source.sh\` in the metal repository."
exit -1
fi
KUBECONFIG=$(echo $KUBECONFIG | tr ':' '\n' | grep ${cluster_name}/kubeconfig)
if [ -z "${KUBECONFIG}" ]; then
echo "KUBECONFIG does not contain a path for the current cluster, please make sure to run \`. ./rendered/source.sh\` in the metal repository."
exit -1
fi
vip=$(cat $TALOSCONFIG | yq ".contexts.${cluster_name}.endpoints[0]")
if [ "${vip}" = "null" ]; then
echo "Failed to get VIP of cluster."
exit -1
fi
echo -n "Checking connection to ${bootstrap_ip}... "
if nmap -Pn ${bootstrap_ip} -p 50000 | grep -q 'open'; then
echo "[Success]"
else
echo "[Failure]"
exit -1
fi
count=0
max_retries=20
while ! nmap -Pn ${vip} -p 50000 | grep -q 'open' && [ ${count} -lt ${max_retries} ]; do
if [ $count -eq 0 ]; then
echo -n "Bootstrapping Kubernetes"
fi
echo -n "."
count=$((count+1))
sleep 5
talosctl --context ${cluster_name} -e ${bootstrap_ip} -n ${bootstrap_ip} bootstrap 2> /dev/null || true
done
if [ ${count} -ge ${max_retries} ]; then
echo " [Failure]"
exit -1
elif [ ! $count -eq 0 ]; then
echo " [Success]"
fi
talosctl --context ${cluster_name} -n "${bootstrap_ip}" kubeconfig -f
count=0
max_retries=20
while [ -z "$(kubectl get nodes 2> /dev/null)" ]; do
if [ $count -eq 0 ]; then
echo -n "Waiting for apiserver"
fi
echo -n "."
count=$((count+1))
sleep 15
done
if [ ${count} -ge ${max_retries} ]; then
echo " [Failure]"
exit -1
elif [ ! $count -eq 0 ]; then
echo " [Success]"
fi
if ! helm status -n kube-system cilium &> /dev/null; then
echo "Installing cilium..."
helm repo add cilium https://helm.cilium.io/ > /dev/null
helm repo update > /dev/null
helm install \
cilium \
cilium/cilium \
--version ${cilium_version} \
--namespace kube-system \
--values cilium.yaml
fi
cilium-cli status --wait
# echo "Running connectivity test..."
# cilium-cli connectivity test --namespace-labels pod-security.kubernetes.io/enforce=privileged

36
cilium.yaml Normal file
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ipam:
mode: kubernetes
kubeProxyReplacement: true
securityContext:
capabilities:
ciliumAgent:
- CHOWN
- KILL
- NET_ADMIN
- NET_RAW
- IPC_LOCK
- SYS_ADMIN
- SYS_RESOURCE
- DAC_OVERRIDE
- FOWNER
- SETGID
- SETUID
cleanCiliumState:
- NET_ADMIN
- SYS_ADMIN
- SYS_RESOURCE
cgroup:
autoMount:
enabled: false
hostRoot: /sys/fs/cgroup
k8sServiceHost: localhost
k8sServicePort: 7445
gatewayAPI:
enabled: true
enableAlpn: true
enableAppProtocol: true
operator:
replicas: 1
hubble:
relay:
enabled: true