diff options
Diffstat (limited to 'nixos/tests/k3s-single-node-docker.nix')
-rw-r--r-- | nixos/tests/k3s-single-node-docker.nix | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/nixos/tests/k3s-single-node-docker.nix b/nixos/tests/k3s-single-node-docker.nix new file mode 100644 index 0000000000000..7f3d15788b043 --- /dev/null +++ b/nixos/tests/k3s-single-node-docker.nix @@ -0,0 +1,84 @@ +import ./make-test-python.nix ({ pkgs, ... }: + + let + imageEnv = pkgs.buildEnv { + name = "k3s-pause-image-env"; + paths = with pkgs; [ tini (hiPrio coreutils) busybox ]; + }; + pauseImage = pkgs.dockerTools.streamLayeredImage { + name = "test.local/pause"; + tag = "local"; + contents = imageEnv; + config.Entrypoint = [ "/bin/tini" "--" "/bin/sleep" "inf" ]; + }; + # Don't use the default service account because there's a race where it may + # not be created yet; make our own instead. + testPodYaml = pkgs.writeText "test.yml" '' + apiVersion: v1 + kind: ServiceAccount + metadata: + name: test + --- + apiVersion: v1 + kind: Pod + metadata: + name: test + spec: + serviceAccountName: test + containers: + - name: test + image: test.local/pause:local + imagePullPolicy: Never + command: ["sh", "-c", "sleep inf"] + ''; + in + { + name = "k3s"; + meta = with pkgs.lib.maintainers; { + maintainers = [ euank ]; + }; + + machine = { pkgs, ... }: { + environment.systemPackages = with pkgs; [ k3s gzip ]; + + # k3s uses enough resources the default vm fails. + virtualisation.memorySize = 1536; + virtualisation.diskSize = 4096; + + services.k3s = { + enable = true; + role = "server"; + docker = true; + # Slightly reduce resource usage + extraFlags = "--no-deploy coredns,servicelb,traefik,local-storage,metrics-server --pause-image test.local/pause:local"; + }; + + users.users = { + noprivs = { + isNormalUser = true; + description = "Can't access k3s by default"; + password = "*"; + }; + }; + }; + + testScript = '' + start_all() + + machine.wait_for_unit("k3s") + machine.succeed("k3s kubectl cluster-info") + machine.fail("sudo -u noprivs k3s kubectl cluster-info") + # FIXME: this fails with the current nixos kernel config; once it passes, we should uncomment it + # machine.succeed("k3s check-config") + + machine.succeed( + "${pauseImage} | docker load" + ) + + machine.succeed("k3s kubectl apply -f ${testPodYaml}") + machine.succeed("k3s kubectl wait --for 'condition=Ready' pod/test") + machine.succeed("k3s kubectl delete -f ${testPodYaml}") + + machine.shutdown() + ''; + }) |