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nixos/k8s: Enable Node authorizer and NodeRestriction by default

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This commit is contained in:
Sarah Brofeldt 2018-02-04 21:23:36 +01:00
parent f63604a598
commit bf58890a5a
5 changed files with 13 additions and 12 deletions
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6
nixos/modules/services/cluster/kubernetes/default.nix
View File

@ -301,8 +301,8 @@ in {
Kubernetes apiserver authorization mode (AlwaysAllow/AlwaysDeny/ABAC/RBAC). See
<link xlink:href="http://kubernetes.io/docs/admin/authorization.html"/>
'';
default = ["RBAC"];
type = types.listOf (types.enum ["AlwaysAllow" "AlwaysDeny" "ABAC" "RBAC"]);
default = ["RBAC" "Node"];
type = types.listOf (types.enum ["AlwaysAllow" "AlwaysDeny" "ABAC" "RBAC" "Node"]);
};
authorizationPolicy = mkOption {
@ -344,7 +344,7 @@ in {
Kubernetes admission control plugins to use. See
<link xlink:href="http://kubernetes.io/docs/admin/admission-controllers/"/>
'';
default = ["NamespaceLifecycle" "LimitRanger" "ServiceAccount" "ResourceQuota" "DefaultStorageClass" "DefaultTolerationSeconds"];
default = ["NamespaceLifecycle" "LimitRanger" "ServiceAccount" "ResourceQuota" "DefaultStorageClass" "DefaultTolerationSeconds" "NodeRestriction"];
example = [
"NamespaceLifecycle" "NamespaceExists" "LimitRanger"
"SecurityContextDeny" "ServiceAccount" "ResourceQuota"

2
nixos/tests/kubernetes/base.nix
View File

@ -8,7 +8,7 @@ let
mkKubernetesBaseTest =
{ name, domain ? "my.zyx", test, machines
, pkgs ? import <nixpkgs> { inherit system; }
, certs ? import ./certs.nix { inherit pkgs; externalDomain = domain; }
, 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));

11
nixos/tests/kubernetes/certs.nix
View File

@ -2,7 +2,8 @@
pkgs ? import <nixpkgs> {},
internalDomain ? "cloud.yourdomain.net",
externalDomain ? "myawesomecluster.cluster.yourdomain.net",
serviceClusterIp ? "10.0.0.1"
serviceClusterIp ? "10.0.0.1",
kubelets
}:
let
runWithCFSSL = name: cmd:
@ -123,9 +124,10 @@ let
};
apiserver-client = {
kubelet = createClientCertKey {
kubelet = hostname: createClientCertKey {
inherit ca;
cn = "apiserver-client-kubelet";
name = "apiserver-client-kubelet-${hostname}";
cn = "system:node:${hostname}.${externalDomain}";
groups = ["system:nodes"];
};
@ -175,10 +177,9 @@ in {
paths = [
(writeCFSSL (noKey ca))
(writeCFSSL kubelet)
(writeCFSSL apiserver-client.kubelet)
(writeCFSSL apiserver-client.kube-proxy)
(writeCFSSL etcd-client)
];
] ++ map (hostname: writeCFSSL (apiserver-client.kubelet hostname)) kubelets;
};
admin = writeCFSSL apiserver-client.admin;

2
nixos/tests/kubernetes/dns.nix
View File

@ -3,7 +3,7 @@ with import ./base.nix { inherit system; };
let
domain = "my.zyx";
certs = import ./certs.nix { externalDomain = domain; };
certs = import ./certs.nix { externalDomain = domain; kubelets = [ "machine1" "machine2" ]; };
redisPod = pkgs.writeText "redis-pod.json" (builtins.toJSON {
kind = "Pod";

4
nixos/tests/kubernetes/kubernetes-common.nix
View File

@ -29,8 +29,8 @@ let
tlsKeyFile = "${certs.worker}/kubelet-key.pem";
hostname = "${config.networking.hostName}.${config.networking.domain}";
kubeconfig = {
certFile = "${certs.worker}/apiserver-client-kubelet.pem";
keyFile = "${certs.worker}/apiserver-client-kubelet-key.pem";
certFile = "${certs.worker}/apiserver-client-kubelet-${config.networking.hostName}.pem";
keyFile = "${certs.worker}/apiserver-client-kubelet-${config.networking.hostName}-key.pem";
};
};
controllerManager = {