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feat(testing): e2e testing improvements

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This commit is contained in:
Jaka Hudoklin 2019-02-20 23:09:08 +01:00
parent b43748a3a5
commit f2c6d6a40d
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6 changed files with 223 additions and 124 deletions
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2
tests/k8s/1.13/crd.nix
View file

@ -10,7 +10,7 @@ in {
];
test = {
name = "k8s/1.13/crd";
name = "k8s-1.13-crd";
description = "Simple test tesing CRD for k8s 1.13";
enable = builtins.compareVersions config.kubernetes.version "1.13" >= 0;
assertions = [{

2
tests/k8s/crd.nix
View file

@ -10,7 +10,7 @@ in {
];
test = {
name = "k8s.crd";
name = "k8s-crd";
description = "Simple test tesing CRD";
enable = builtins.compareVersions config.kubernetes.version "1.8" >= 0;
assertions = [{

67
tests/k8s/deployment.nix
View file

@ -1,14 +1,56 @@
{ config, test, kubenix, ... }:
{ config, lib, pkgs, test, kubenix, ... }:
with lib;
let
cfg = config.kubernetes.api.deployments.nginx;
nginxImage = let
nginxPort = "80";
nginxConf = pkgs.writeText "nginx.conf" ''
user nginx nginx;
daemon off;
error_log /dev/stdout info;
pid /dev/null;
events {}
http {
access_log /dev/stdout;
server {
listen ${nginxPort};
index index.html;
location / {
root ${nginxWebRoot};
}
}
}
'';
nginxWebRoot = pkgs.writeTextDir "index.html" ''
<html><body><h1>Hello from NGINX</h1></body></html>
'';
in pkgs.dockerTools.buildLayeredImage {
name = "xtruder/nginx";
tag = "latest";
contents = [pkgs.nginx];
extraCommands = ''
mkdir etc
chmod u+w etc
echo "nginx:x:1000:1000::/:" > etc/passwd
echo "nginx:x:1000:nginx" > etc/group
'';
config = {
Cmd = ["nginx" "-c" nginxConf];
ExposedPorts = {
"${nginxPort}/tcp" = {};
};
};
};
in {
imports = [
kubenix.k8s
];
test = {
name = "k8s/deployment/simple";
name = "k8s-deployment-simple";
description = "Simple k8s testing a simple deployment";
assertions = [{
message = "should have correct apiVersion and kind set";
@ -17,6 +59,14 @@ in {
message = "should have replicas set";
assertion = cfg.spec.replicas == 10;
}];
check = ''
$kube->waitUntilSucceeds("docker load < ${nginxImage}");
$kube->waitUntilSucceeds("kubectl apply -f ${toYAML config.kubernetes.generated}");
$kube->succeed("kubectl get deployment | grep -i nginx");
$kube->waitUntilSucceeds("kubectl get deployment -o go-template nginx --template={{.status.readyReplicas}} | grep 10");
$kube->waitUntilSucceeds("${pkgs.curl}/bin/curl http://nginx.default.svc.cluster.local | grep -i hello");
'';
};
kubernetes.api.deployments.nginx = {
@ -26,9 +76,20 @@ in {
template.metadata.labels.app = "nginx";
template.spec = {
containers.nginx = {
image = "nginx";
image = "xtruder/nginx:latest";
imagePullPolicy = "Never";
};
};
};
};
kubernetes.api.services.nginx = {
spec = {
ports = [{
name = "http";
port = 80;
}];
selector.app = "nginx";
};
};
}

2
tests/k8s/simple.nix
View file

@ -10,7 +10,7 @@ in {
];
test = {
name = "k8s/simple";
name = "k8s-simple";
description = "Simple k8s testing wheter name, apiVersion and kind are preset";
assertions = [{
message = "should have apiVersion and kind set";