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ci: k8s: Use vanilla kubectl with k3s

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Let's download the vanilla kubectl binary into `/usr/bin/`, as we need
to avoid hitting issues like:
```sh
error: open /etc/rancher/k3s/k3s.yaml.lock: permission denied
```

The issue basically happens because k3s links `/usr/local/bin/kubectl`
to `/usr/local/bin/k3s`, and that does extra stuff that vanilla
`kubectl` doesn't do.

Also, in order to properly use the k3s.yaml config with the vanilla
kubectl, we're copying it to ~/.kube/config.

Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>
This commit is contained in:
Fabiano Fidêncio 2023-09-07 16:27:21 +02:00
parent ad45ab5d33
commit ada65b988a
1 changed files with 21 additions and 0 deletions
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21
tests/integration/kubernetes/gha-run.sh
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@ -145,6 +145,27 @@ function deploy_k3s() {
# This is an arbitrary value that came up from local tests
sleep 240s
# Download the kubectl binary into /usr/bin and remove /usr/local/bin/kubectl
#
# We need to do this to avoid hitting issues like:
# ```sh
# error: open /etc/rancher/k3s/k3s.yaml.lock: permission denied
# ```
# Which happens basically because k3s links `/usr/local/bin/kubectl`
# to `/usr/local/bin/k3s`, and that does extra stuff that vanilla
# `kubectl` doesn't do.
ARCH=$(uname -m)
if [ "${ARCH}" = "x86_64" ]; then
ARCH=amd64
fi
kubectl_version=$(/usr/local/bin/k3s kubectl version --short 2>/dev/null | grep "Client Version" | sed -e 's/Client Version: //' -e 's/\+k3s1//')
sudo curl -fL --progress-bar -o /usr/bin/kubectl https://storage.googleapis.com/kubernetes-release/release/${kubectl_version}/bin/linux/${ARCH}/kubectl
sudo chmod +x /usr/bin/kubectl
sudo rm -rf /usr/local/bin/kubectl
mkdir -p ~/.kube
cp /etc/rancher/k3s/k3s.yaml ~/.kube/config
}
function deploy_k8s() {