kaniko/scripts/k3s-setup.sh

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# Copyright 2023 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -ex
export INSTALL_K3S_EXEC="--write-kubeconfig-mode=0644"
# Sometimes there is a residual kubeconfig, export and set this explicitly
mkdir -p $HOME/.kube
export K3S_KUBECONFIG_OUTPUT="$HOME/.kube/config"
export KUBECONFIG="$HOME/.kube/config"
curl -sfL https://get.k3s.io | sh -
export SCRIPT_PATH="$(realpath $(dirname $0))"
timeout 5m bash -c 'until kubectl cluster-info 2>/dev/null | grep "CoreDNS" >/dev/null; do sleep 1; done'
# Install local registry and have it listen on localhost:5000
sudo cp $SCRIPT_PATH/local-registry-helm.yaml /var/lib/rancher/k3s/server/manifests/
# Wait until install of the registry completes
timeout 5m bash -c 'until kubectl get -n kube-system pod 2>/dev/null | grep local-registry | grep Completed >/dev/null; do sleep 1; done'
# Wait until registry becomes available on localhost:5000
timeout 5m bash -c 'until nc -z localhost 5000; do sleep 1; done'
echo "K3s is running and registry is available on localhost:5000"