116 lines
3.2 KiB
Nix
116 lines
3.2 KiB
Nix
# A test that runs a single node k3s cluster and verify a pod can run
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import ../make-test-python.nix (
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{
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pkgs,
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lib,
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k3s,
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...
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}:
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let
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imageEnv = pkgs.buildEnv {
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name = "k3s-pause-image-env";
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paths = with pkgs; [
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tini
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(hiPrio coreutils)
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busybox
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];
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};
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pauseImage = pkgs.dockerTools.streamLayeredImage {
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name = "test.local/pause";
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tag = "local";
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contents = imageEnv;
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config.Entrypoint = [
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"/bin/tini"
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"--"
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"/bin/sleep"
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"inf"
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];
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};
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testPodYaml = pkgs.writeText "test.yml" ''
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apiVersion: v1
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kind: Pod
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metadata:
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name: test
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spec:
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containers:
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- name: test
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image: test.local/pause:local
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imagePullPolicy: Never
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command: ["sh", "-c", "sleep inf"]
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'';
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in
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{
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name = "${k3s.name}-single-node";
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nodes.machine =
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{ pkgs, ... }:
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{
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environment.systemPackages = with pkgs; [
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k3s
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gzip
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];
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# k3s uses enough resources the default vm fails.
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virtualisation.memorySize = 1536;
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virtualisation.diskSize = 4096;
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services.k3s.enable = true;
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services.k3s.role = "server";
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services.k3s.package = k3s;
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# Slightly reduce resource usage
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services.k3s.extraFlags = [
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"--disable coredns"
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"--disable local-storage"
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"--disable metrics-server"
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"--disable servicelb"
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"--disable traefik"
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"--pause-image test.local/pause:local"
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];
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users.users = {
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noprivs = {
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isNormalUser = true;
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description = "Can't access k3s by default";
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password = "*";
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};
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};
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};
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testScript = ''
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start_all()
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machine.wait_for_unit("k3s")
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machine.succeed("kubectl cluster-info")
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machine.fail("sudo -u noprivs kubectl cluster-info")
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machine.succeed("k3s check-config")
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machine.succeed(
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"${pauseImage} | ctr image import -"
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)
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# Also wait for our service account to show up; it takes a sec
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machine.wait_until_succeeds("kubectl get serviceaccount default")
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machine.succeed("kubectl apply -f ${testPodYaml}")
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machine.succeed("kubectl wait --for 'condition=Ready' pod/test")
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machine.succeed("kubectl delete -f ${testPodYaml}")
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# regression test for #176445
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machine.fail("journalctl -o cat -u k3s.service | grep 'ipset utility not found'")
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with subtest("Run k3s-killall"):
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# Call the killall script with a clean path to assert that
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# all required commands are wrapped
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output = machine.succeed("PATH= ${k3s}/bin/k3s-killall.sh 2>&1 | tee /dev/stderr")
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assert "command not found" not in output, "killall script contains unknown command"
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# Check that killall cleaned up properly
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machine.fail("systemctl is-active k3s.service")
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machine.fail("systemctl list-units | grep containerd")
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machine.fail("ip link show | awk -F': ' '{print $2}' | grep -e flannel -e cni0")
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machine.fail("ip netns show | grep cni-")
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machine.shutdown()
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'';
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meta.maintainers = lib.teams.k3s.members;
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}
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)
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