2019-02-20 23:09:08 +01:00
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{ config, lib, pkgs, test, kubenix, ... }:
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with lib;
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2019-02-12 16:22:18 +01:00
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let
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2019-02-13 12:55:56 +01:00
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cfg = config.kubernetes.api.deployments.nginx;
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2019-02-20 23:09:08 +01:00
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nginxImage = let
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nginxPort = "80";
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nginxConf = pkgs.writeText "nginx.conf" ''
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user nginx nginx;
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daemon off;
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error_log /dev/stdout info;
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pid /dev/null;
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events {}
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http {
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access_log /dev/stdout;
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server {
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listen ${nginxPort};
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index index.html;
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location / {
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root ${nginxWebRoot};
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}
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}
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}
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'';
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nginxWebRoot = pkgs.writeTextDir "index.html" ''
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<html><body><h1>Hello from NGINX</h1></body></html>
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'';
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in pkgs.dockerTools.buildLayeredImage {
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name = "xtruder/nginx";
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tag = "latest";
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contents = [pkgs.nginx];
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extraCommands = ''
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mkdir etc
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chmod u+w etc
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echo "nginx:x:1000:1000::/:" > etc/passwd
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echo "nginx:x:1000:nginx" > etc/group
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'';
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config = {
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Cmd = ["nginx" "-c" nginxConf];
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ExposedPorts = {
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"${nginxPort}/tcp" = {};
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};
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};
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};
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2019-02-12 16:22:18 +01:00
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in {
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imports = [
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kubenix.k8s
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];
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test = {
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2019-02-20 23:09:08 +01:00
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name = "k8s-deployment-simple";
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2019-02-12 16:22:18 +01:00
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description = "Simple k8s testing a simple deployment";
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assertions = [{
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message = "should have correct apiVersion and kind set";
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assertion = cfg.apiVersion == "apps/v1" && cfg.kind == "Deployment";
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} {
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message = "should have replicas set";
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assertion = cfg.spec.replicas == 10;
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}];
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2019-02-20 23:09:08 +01:00
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check = ''
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$kube->waitUntilSucceeds("docker load < ${nginxImage}");
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$kube->waitUntilSucceeds("kubectl apply -f ${toYAML config.kubernetes.generated}");
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$kube->succeed("kubectl get deployment | grep -i nginx");
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$kube->waitUntilSucceeds("kubectl get deployment -o go-template nginx --template={{.status.readyReplicas}} | grep 10");
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$kube->waitUntilSucceeds("${pkgs.curl}/bin/curl http://nginx.default.svc.cluster.local | grep -i hello");
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'';
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2019-02-12 16:22:18 +01:00
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};
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2019-02-13 12:55:56 +01:00
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kubernetes.api.deployments.nginx = {
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2019-02-12 16:22:18 +01:00
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spec = {
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replicas = 10;
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selector.matchLabels.app = "nginx";
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template.metadata.labels.app = "nginx";
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template.spec = {
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containers.nginx = {
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2019-02-20 23:09:08 +01:00
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image = "xtruder/nginx:latest";
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imagePullPolicy = "Never";
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2019-02-12 16:22:18 +01:00
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};
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};
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};
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};
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2019-02-20 23:09:08 +01:00
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kubernetes.api.services.nginx = {
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spec = {
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ports = [{
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name = "http";
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port = 80;
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}];
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selector.app = "nginx";
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};
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};
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2019-02-12 16:22:18 +01:00
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}
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