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|
# Tests whether container images are imported and auto deploying manifests work
import ../make-test-python.nix (
{
pkgs,
lib,
k3s,
...
}:
let
pauseImageEnv = pkgs.buildEnv {
name = "k3s-pause-image-env";
paths = with pkgs; [
tini
(hiPrio coreutils)
busybox
];
};
pauseImage = pkgs.dockerTools.buildImage {
name = "test.local/pause";
tag = "local";
copyToRoot = pauseImageEnv;
config.Entrypoint = [
"/bin/tini"
"--"
"/bin/sleep"
"inf"
];
};
helloImage = pkgs.dockerTools.buildImage {
name = "test.local/hello";
tag = "local";
copyToRoot = pkgs.hello;
config.Entrypoint = [ "${pkgs.hello}/bin/hello" ];
};
in
{
name = "${k3s.name}-auto-deploy";
nodes.machine =
{ pkgs, ... }:
{
environment.systemPackages = [ k3s ];
# k3s uses enough resources the default vm fails.
virtualisation.memorySize = 1536;
virtualisation.diskSize = 4096;
services.k3s.enable = true;
services.k3s.role = "server";
services.k3s.package = k3s;
# Slightly reduce resource usage
services.k3s.extraFlags = builtins.toString [
"--disable coredns"
"--disable local-storage"
"--disable metrics-server"
"--disable servicelb"
"--disable traefik"
"--pause-image test.local/pause:local"
];
services.k3s.images = [
pauseImage
helloImage
];
services.k3s.manifests = {
absent = {
enable = false;
content = {
apiVersion = "v1";
kind = "Namespace";
metadata.name = "absent";
};
};
present = {
target = "foo-namespace.yaml";
content = {
apiVersion = "v1";
kind = "Namespace";
metadata.name = "foo";
};
};
hello.content = {
apiVersion = "batch/v1";
kind = "Job";
metadata.name = "hello";
spec = {
template.spec = {
containers = [
{
name = "hello";
image = "test.local/hello:local";
}
];
restartPolicy = "OnFailure";
};
};
};
};
};
testScript = ''
start_all()
machine.wait_for_unit("k3s")
# check existence of the manifest files
machine.fail("ls /var/lib/rancher/k3s/server/manifests/absent.yaml")
machine.succeed("ls /var/lib/rancher/k3s/server/manifests/foo-namespace.yaml")
machine.succeed("ls /var/lib/rancher/k3s/server/manifests/hello.yaml")
# check if container images got imported
machine.wait_until_succeeds("crictl img | grep 'test\.local/pause'")
machine.wait_until_succeeds("crictl img | grep 'test\.local/hello'")
# check if resources of manifests got created
machine.wait_until_succeeds("kubectl get ns foo")
machine.wait_until_succeeds("kubectl wait --for=condition=complete job/hello")
machine.fail("kubectl get ns absent")
machine.shutdown()
'';
meta.maintainers = lib.teams.k3s.members;
}
)
|
