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|
{ system ? builtins.currentSystem }:
with import ../../lib/testing.nix { inherit system; };
with pkgs.lib;
let
mkKubernetesBaseTest =
{ name, domain ? "my.zyx", test, machines
, pkgs ? import <nixpkgs> { inherit system; }
, certs ? import ./certs.nix { inherit pkgs; externalDomain = domain; kubelets = attrNames machines; }
, extraConfiguration ? null }:
let
masterName = head (filter (machineName: any (role: role == "master") machines.${machineName}.roles) (attrNames machines));
master = machines.${masterName};
extraHosts = ''
${master.ip} etcd.${domain}
${master.ip} api.${domain}
${concatMapStringsSep "\n" (machineName: "${machines.${machineName}.ip} ${machineName}.${domain}") (attrNames machines)}
'';
in makeTest {
inherit name;
nodes = mapAttrs (machineName: machine:
{ config, pkgs, lib, nodes, ... }:
mkMerge [
{
virtualisation.memorySize = mkDefault 1536;
virtualisation.diskSize = mkDefault 4096;
networking = {
inherit domain extraHosts;
primaryIPAddress = mkForce machine.ip;
firewall = {
allowedTCPPorts = [
10250 # kubelet
];
trustedInterfaces = ["docker0"];
extraCommands = concatMapStrings (node: ''
iptables -A INPUT -s ${node.config.networking.primaryIPAddress} -j ACCEPT
'') (attrValues nodes);
};
};
programs.bash.enableCompletion = true;
environment.variables = {
ETCDCTL_CERT_FILE = "${certs.worker}/etcd-client.pem";
ETCDCTL_KEY_FILE = "${certs.worker}/etcd-client-key.pem";
ETCDCTL_CA_FILE = "${certs.worker}/ca.pem";
ETCDCTL_PEERS = "https://etcd.${domain}:2379";
};
services.flannel.iface = "eth1";
services.kubernetes.apiserver.advertiseAddress = master.ip;
}
(optionalAttrs (any (role: role == "master") machine.roles) {
networking.firewall.allowedTCPPorts = [
2379 2380 # etcd
443 # kubernetes apiserver
];
services.etcd = {
enable = true;
certFile = "${certs.master}/etcd.pem";
keyFile = "${certs.master}/etcd-key.pem";
trustedCaFile = "${certs.master}/ca.pem";
peerClientCertAuth = true;
listenClientUrls = ["https://0.0.0.0:2379"];
listenPeerUrls = ["https://0.0.0.0:2380"];
advertiseClientUrls = ["https://etcd.${config.networking.domain}:2379"];
initialCluster = ["${masterName}=https://etcd.${config.networking.domain}:2380"];
initialAdvertisePeerUrls = ["https://etcd.${config.networking.domain}:2380"];
};
})
(import ./kubernetes-common.nix { inherit (machine) roles; inherit pkgs config certs; })
(optionalAttrs (machine ? "extraConfiguration") (machine.extraConfiguration { inherit config pkgs lib nodes; }))
(optionalAttrs (extraConfiguration != null) (extraConfiguration { inherit config pkgs lib nodes; }))
]
) machines;
testScript = ''
startAll;
${test}
'';
};
mkKubernetesMultiNodeTest = attrs: mkKubernetesBaseTest ({
machines = {
machine1 = {
roles = ["master"];
ip = "192.168.1.1";
};
machine2 = {
roles = ["node"];
ip = "192.168.1.2";
};
};
} // attrs // {
name = "kubernetes-${attrs.name}-multinode";
});
mkKubernetesSingleNodeTest = attrs: mkKubernetesBaseTest ({
machines = {
machine1 = {
roles = ["master" "node"];
ip = "192.168.1.1";
};
};
} // attrs // {
name = "kubernetes-${attrs.name}-singlenode";
});
in {
inherit mkKubernetesBaseTest mkKubernetesSingleNodeTest mkKubernetesMultiNodeTest;
}
|