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anubis-mirror/test/k3k/create-cluster.sh
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2026-05-16 03:20:39 -04:00

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#!/usr/bin/env bash
# Create a k3k cluster, wait for it to be Ready, and write its kubeconfig.
# Prints the generated cluster name to stdout on success.
#
# Required env:
# NAMESPACE Kubernetes namespace to create the cluster in
# KUBECONFIG_OUT Path to write the resulting kubeconfig
#
# Optional env (set under Tekton to enable ownerReference-based GC + labels):
# PIPELINE_NAME Tekton Pipeline name
# PIPELINERUN_NAME Tekton PipelineRun name
# PIPELINERUN_UID Tekton PipelineRun UID
set -euo pipefail
: "${NAMESPACE:?NAMESPACE must be set}"
: "${KUBECONFIG_OUT:?KUBECONFIG_OUT must be set}"
script_dir=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)
cluster_name=$(kubectl create -n "${NAMESPACE}" -f "${script_dir}/test-cluster.yaml" -ojson | jq -r '.metadata.name')
if [[ -n "${PIPELINERUN_NAME:-}" && -n "${PIPELINERUN_UID:-}" ]]; then
owner_ref=$(jo \
apiVersion=tekton.dev/v1 \
kind=PipelineRun \
name="${PIPELINERUN_NAME}" \
uid="${PIPELINERUN_UID}" \
blockOwnerDeletion=false)
patch=$(jo metadata=$(jo "ownerReferences[]=${owner_ref}"))
kubectl patch -n "${NAMESPACE}" "clusters.k3k.io/${cluster_name}" --type=merge -p "${patch}" >&2
kubectl label -n "${NAMESPACE}" "clusters.k3k.io/${cluster_name}" \
"tekton.dev/memberOf=tasks" \
"tekton.dev/pipeline=${PIPELINE_NAME:-}" \
"tekton.dev/pipelineRun=${PIPELINERUN_NAME}" \
"tekton.dev/pipelineRunUID=${PIPELINERUN_UID}" >&2
fi
kubectl wait --for=condition=Ready "clusters.k3k.io/${cluster_name}" -n "${NAMESPACE}" --timeout 5m >&2
kubectl wait --for=create "secret/k3k-${cluster_name}-kubeconfig" -n "${NAMESPACE}" --timeout 5m >&2
mkdir -p "$(dirname "${KUBECONFIG_OUT}")"
kubectl get -ojson -n "${NAMESPACE}" "secret/k3k-${cluster_name}-kubeconfig" \
| jq -r '.data["kubeconfig.yaml"]' \
| base64 -d > "${KUBECONFIG_OUT}"
echo "${cluster_name}"