uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead
https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948 this can do it nicely. Signed-off-by: Anton Arapov <anton@deadbeef.mx>
This commit is contained in:
Anton Arapov
Alan Daniels
commit
56de2bcd43
30691 changed files with 3076956 additions and 0 deletions
171
nixos/modules/services/cluster/kubernetes/addon-manager.nix
Normal file
171
nixos/modules/services/cluster/kubernetes/addon-manager.nix
Normal file
|
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@ -0,0 +1,171 @@
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{ config, lib, pkgs, ... }:
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with lib;
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let
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top = config.services.kubernetes;
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cfg = top.addonManager;
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isRBACEnabled = elem "RBAC" top.apiserver.authorizationMode;
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addons = pkgs.runCommand "kubernetes-addons" { } ''
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mkdir -p $out
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# since we are mounting the addons to the addon manager, they need to be copied
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${concatMapStringsSep ";" (a: "cp -v ${a}/* $out/") (mapAttrsToList (name: addon:
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pkgs.writeTextDir "${name}.json" (builtins.toJSON addon)
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) (cfg.addons))}
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'';
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in
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{
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###### interface
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options.services.kubernetes.addonManager = with lib.types; {
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bootstrapAddons = mkOption {
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description = ''
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Bootstrap addons are like regular addons, but they are applied with cluster-admin rigths.
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They are applied at addon-manager startup only.
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'';
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default = { };
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type = attrsOf attrs;
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example = literalExpression ''
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{
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"my-service" = {
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"apiVersion" = "v1";
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"kind" = "Service";
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"metadata" = {
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"name" = "my-service";
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"namespace" = "default";
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};
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"spec" = { ... };
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};
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}
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'';
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};
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addons = mkOption {
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description = "Kubernetes addons (any kind of Kubernetes resource can be an addon).";
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default = { };
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type = attrsOf (either attrs (listOf attrs));
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example = literalExpression ''
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{
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"my-service" = {
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"apiVersion" = "v1";
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"kind" = "Service";
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"metadata" = {
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"name" = "my-service";
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"namespace" = "default";
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};
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"spec" = { ... };
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};
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}
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// import <nixpkgs/nixos/modules/services/cluster/kubernetes/dns.nix> { cfg = config.services.kubernetes; };
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'';
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};
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enable = mkEnableOption "Kubernetes addon manager.";
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};
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###### implementation
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config = mkIf cfg.enable {
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environment.etc."kubernetes/addons".source = "${addons}/";
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systemd.services.kube-addon-manager = {
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description = "Kubernetes addon manager";
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wantedBy = [ "kubernetes.target" ];
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after = [ "kube-apiserver.service" ];
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environment.ADDON_PATH = "/etc/kubernetes/addons/";
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path = [ pkgs.gawk ];
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serviceConfig = {
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Slice = "kubernetes.slice";
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ExecStart = "${top.package}/bin/kube-addons";
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WorkingDirectory = top.dataDir;
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User = "kubernetes";
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Group = "kubernetes";
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Restart = "on-failure";
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RestartSec = 10;
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||||
};
|
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unitConfig = {
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StartLimitIntervalSec = 0;
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};
|
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};
|
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|
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services.kubernetes.addonManager.bootstrapAddons = mkIf isRBACEnabled
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(let
|
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name = "system:kube-addon-manager";
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namespace = "kube-system";
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in
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{
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||||
|
||||
kube-addon-manager-r = {
|
||||
apiVersion = "rbac.authorization.k8s.io/v1";
|
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kind = "Role";
|
||||
metadata = {
|
||||
inherit name namespace;
|
||||
};
|
||||
rules = [{
|
||||
apiGroups = ["*"];
|
||||
resources = ["*"];
|
||||
verbs = ["*"];
|
||||
}];
|
||||
};
|
||||
|
||||
kube-addon-manager-rb = {
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apiVersion = "rbac.authorization.k8s.io/v1";
|
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kind = "RoleBinding";
|
||||
metadata = {
|
||||
inherit name namespace;
|
||||
};
|
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roleRef = {
|
||||
apiGroup = "rbac.authorization.k8s.io";
|
||||
kind = "Role";
|
||||
inherit name;
|
||||
};
|
||||
subjects = [{
|
||||
apiGroup = "rbac.authorization.k8s.io";
|
||||
kind = "User";
|
||||
inherit name;
|
||||
}];
|
||||
};
|
||||
|
||||
kube-addon-manager-cluster-lister-cr = {
|
||||
apiVersion = "rbac.authorization.k8s.io/v1";
|
||||
kind = "ClusterRole";
|
||||
metadata = {
|
||||
name = "${name}:cluster-lister";
|
||||
};
|
||||
rules = [{
|
||||
apiGroups = ["*"];
|
||||
resources = ["*"];
|
||||
verbs = ["list"];
|
||||
}];
|
||||
};
|
||||
|
||||
kube-addon-manager-cluster-lister-crb = {
|
||||
apiVersion = "rbac.authorization.k8s.io/v1";
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kind = "ClusterRoleBinding";
|
||||
metadata = {
|
||||
name = "${name}:cluster-lister";
|
||||
};
|
||||
roleRef = {
|
||||
apiGroup = "rbac.authorization.k8s.io";
|
||||
kind = "ClusterRole";
|
||||
name = "${name}:cluster-lister";
|
||||
};
|
||||
subjects = [{
|
||||
kind = "User";
|
||||
inherit name;
|
||||
}];
|
||||
};
|
||||
});
|
||||
|
||||
services.kubernetes.pki.certs = {
|
||||
addonManager = top.lib.mkCert {
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||||
name = "kube-addon-manager";
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CN = "system:kube-addon-manager";
|
||||
action = "systemctl restart kube-addon-manager.service";
|
||||
};
|
||||
};
|
||||
};
|
||||
|
||||
meta.buildDocsInSandbox = false;
|
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}
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368
nixos/modules/services/cluster/kubernetes/addons/dns.nix
Normal file
368
nixos/modules/services/cluster/kubernetes/addons/dns.nix
Normal file
|
|
@ -0,0 +1,368 @@
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|||
{ config, options, pkgs, lib, ... }:
|
||||
|
||||
with lib;
|
||||
|
||||
let
|
||||
version = "1.7.1";
|
||||
cfg = config.services.kubernetes.addons.dns;
|
||||
ports = {
|
||||
dns = 10053;
|
||||
health = 10054;
|
||||
metrics = 10055;
|
||||
};
|
||||
in {
|
||||
options.services.kubernetes.addons.dns = {
|
||||
enable = mkEnableOption "kubernetes dns addon";
|
||||
|
||||
clusterIp = mkOption {
|
||||
description = "Dns addon clusterIP";
|
||||
|
||||
# this default is also what kubernetes users
|
||||
default = (
|
||||
concatStringsSep "." (
|
||||
take 3 (splitString "." config.services.kubernetes.apiserver.serviceClusterIpRange
|
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))
|
||||
) + ".254";
|
||||
defaultText = literalDocBook ''
|
||||
The <literal>x.y.z.254</literal> IP of
|
||||
<literal>config.${options.services.kubernetes.apiserver.serviceClusterIpRange}</literal>.
|
||||
'';
|
||||
type = types.str;
|
||||
};
|
||||
|
||||
clusterDomain = mkOption {
|
||||
description = "Dns cluster domain";
|
||||
default = "cluster.local";
|
||||
type = types.str;
|
||||
};
|
||||
|
||||
replicas = mkOption {
|
||||
description = "Number of DNS pod replicas to deploy in the cluster.";
|
||||
default = 2;
|
||||
type = types.int;
|
||||
};
|
||||
|
||||
reconcileMode = mkOption {
|
||||
description = ''
|
||||
Controls the addon manager reconciliation mode for the DNS addon.
|
||||
|
||||
Setting reconcile mode to EnsureExists makes it possible to tailor DNS behavior by editing the coredns ConfigMap.
|
||||
|
||||
See: <link xlink:href="https://github.com/kubernetes/kubernetes/blob/master/cluster/addons/addon-manager/README.md"/>.
|
||||
'';
|
||||
default = "Reconcile";
|
||||
type = types.enum [ "Reconcile" "EnsureExists" ];
|
||||
};
|
||||
|
||||
coredns = mkOption {
|
||||
description = "Docker image to seed for the CoreDNS container.";
|
||||
type = types.attrs;
|
||||
default = {
|
||||
imageName = "coredns/coredns";
|
||||
imageDigest = "sha256:4a6e0769130686518325b21b0c1d0688b54e7c79244d48e1b15634e98e40c6ef";
|
||||
finalImageTag = version;
|
||||
sha256 = "02r440xcdsgi137k5lmmvp0z5w5fmk8g9mysq5pnysq1wl8sj6mw";
|
||||
};
|
||||
};
|
||||
|
||||
corefile = mkOption {
|
||||
description = ''
|
||||
Custom coredns corefile configuration.
|
||||
|
||||
See: <link xlink:href="https://coredns.io/manual/toc/#configuration"/>.
|
||||
'';
|
||||
type = types.str;
|
||||
default = ''
|
||||
.:${toString ports.dns} {
|
||||
errors
|
||||
health :${toString ports.health}
|
||||
kubernetes ${cfg.clusterDomain} in-addr.arpa ip6.arpa {
|
||||
pods insecure
|
||||
fallthrough in-addr.arpa ip6.arpa
|
||||
}
|
||||
prometheus :${toString ports.metrics}
|
||||
forward . /etc/resolv.conf
|
||||
cache 30
|
||||
loop
|
||||
reload
|
||||
loadbalance
|
||||
}'';
|
||||
defaultText = literalExpression ''
|
||||
'''
|
||||
.:${toString ports.dns} {
|
||||
errors
|
||||
health :${toString ports.health}
|
||||
kubernetes ''${config.services.kubernetes.addons.dns.clusterDomain} in-addr.arpa ip6.arpa {
|
||||
pods insecure
|
||||
fallthrough in-addr.arpa ip6.arpa
|
||||
}
|
||||
prometheus :${toString ports.metrics}
|
||||
forward . /etc/resolv.conf
|
||||
cache 30
|
||||
loop
|
||||
reload
|
||||
loadbalance
|
||||
}
|
||||
'''
|
||||
'';
|
||||
};
|
||||
};
|
||||
|
||||
config = mkIf cfg.enable {
|
||||
services.kubernetes.kubelet.seedDockerImages =
|
||||
singleton (pkgs.dockerTools.pullImage cfg.coredns);
|
||||
|
||||
services.kubernetes.addonManager.bootstrapAddons = {
|
||||
coredns-cr = {
|
||||
apiVersion = "rbac.authorization.k8s.io/v1";
|
||||
kind = "ClusterRole";
|
||||
metadata = {
|
||||
labels = {
|
||||
"addonmanager.kubernetes.io/mode" = "Reconcile";
|
||||
k8s-app = "kube-dns";
|
||||
"kubernetes.io/cluster-service" = "true";
|
||||
"kubernetes.io/bootstrapping" = "rbac-defaults";
|
||||
};
|
||||
name = "system:coredns";
|
||||
};
|
||||
rules = [
|
||||
{
|
||||
apiGroups = [ "" ];
|
||||
resources = [ "endpoints" "services" "pods" "namespaces" ];
|
||||
verbs = [ "list" "watch" ];
|
||||
}
|
||||
{
|
||||
apiGroups = [ "" ];
|
||||
resources = [ "nodes" ];
|
||||
verbs = [ "get" ];
|
||||
}
|
||||
];
|
||||
};
|
||||
|
||||
coredns-crb = {
|
||||
apiVersion = "rbac.authorization.k8s.io/v1";
|
||||
kind = "ClusterRoleBinding";
|
||||
metadata = {
|
||||
annotations = {
|
||||
"rbac.authorization.kubernetes.io/autoupdate" = "true";
|
||||
};
|
||||
labels = {
|
||||
"addonmanager.kubernetes.io/mode" = "Reconcile";
|
||||
k8s-app = "kube-dns";
|
||||
"kubernetes.io/cluster-service" = "true";
|
||||
"kubernetes.io/bootstrapping" = "rbac-defaults";
|
||||
};
|
||||
name = "system:coredns";
|
||||
};
|
||||
roleRef = {
|
||||
apiGroup = "rbac.authorization.k8s.io";
|
||||
kind = "ClusterRole";
|
||||
name = "system:coredns";
|
||||
};
|
||||
subjects = [
|
||||
{
|
||||
kind = "ServiceAccount";
|
||||
name = "coredns";
|
||||
namespace = "kube-system";
|
||||
}
|
||||
];
|
||||
};
|
||||
};
|
||||
|
||||
services.kubernetes.addonManager.addons = {
|
||||
coredns-sa = {
|
||||
apiVersion = "v1";
|
||||
kind = "ServiceAccount";
|
||||
metadata = {
|
||||
labels = {
|
||||
"addonmanager.kubernetes.io/mode" = "Reconcile";
|
||||
k8s-app = "kube-dns";
|
||||
"kubernetes.io/cluster-service" = "true";
|
||||
};
|
||||
name = "coredns";
|
||||
namespace = "kube-system";
|
||||
};
|
||||
};
|
||||
|
||||
coredns-cm = {
|
||||
apiVersion = "v1";
|
||||
kind = "ConfigMap";
|
||||
metadata = {
|
||||
labels = {
|
||||
"addonmanager.kubernetes.io/mode" = cfg.reconcileMode;
|
||||
k8s-app = "kube-dns";
|
||||
"kubernetes.io/cluster-service" = "true";
|
||||
};
|
||||
name = "coredns";
|
||||
namespace = "kube-system";
|
||||
};
|
||||
data = {
|
||||
Corefile = cfg.corefile;
|
||||
};
|
||||
};
|
||||
|
||||
coredns-deploy = {
|
||||
apiVersion = "apps/v1";
|
||||
kind = "Deployment";
|
||||
metadata = {
|
||||
labels = {
|
||||
"addonmanager.kubernetes.io/mode" = cfg.reconcileMode;
|
||||
k8s-app = "kube-dns";
|
||||
"kubernetes.io/cluster-service" = "true";
|
||||
"kubernetes.io/name" = "CoreDNS";
|
||||
};
|
||||
name = "coredns";
|
||||
namespace = "kube-system";
|
||||
};
|
||||
spec = {
|
||||
replicas = cfg.replicas;
|
||||
selector = {
|
||||
matchLabels = { k8s-app = "kube-dns"; };
|
||||
};
|
||||
strategy = {
|
||||
rollingUpdate = { maxUnavailable = 1; };
|
||||
type = "RollingUpdate";
|
||||
};
|
||||
template = {
|
||||
metadata = {
|
||||
labels = {
|
||||
k8s-app = "kube-dns";
|
||||
};
|
||||
};
|
||||
spec = {
|
||||
containers = [
|
||||
{
|
||||
args = [ "-conf" "/etc/coredns/Corefile" ];
|
||||
image = with cfg.coredns; "${imageName}:${finalImageTag}";
|
||||
imagePullPolicy = "Never";
|
||||
livenessProbe = {
|
||||
failureThreshold = 5;
|
||||
httpGet = {
|
||||
path = "/health";
|
||||
port = ports.health;
|
||||
scheme = "HTTP";
|
||||
};
|
||||
initialDelaySeconds = 60;
|
||||
successThreshold = 1;
|
||||
timeoutSeconds = 5;
|
||||
};
|
||||
name = "coredns";
|
||||
ports = [
|
||||
{
|
||||
containerPort = ports.dns;
|
||||
name = "dns";
|
||||
protocol = "UDP";
|
||||
}
|
||||
{
|
||||
containerPort = ports.dns;
|
||||
name = "dns-tcp";
|
||||
protocol = "TCP";
|
||||
}
|
||||
{
|
||||
containerPort = ports.metrics;
|
||||
name = "metrics";
|
||||
protocol = "TCP";
|
||||
}
|
||||
];
|
||||
resources = {
|
||||
limits = {
|
||||
memory = "170Mi";
|
||||
};
|
||||
requests = {
|
||||
cpu = "100m";
|
||||
memory = "70Mi";
|
||||
};
|
||||
};
|
||||
securityContext = {
|
||||
allowPrivilegeEscalation = false;
|
||||
capabilities = {
|
||||
drop = [ "all" ];
|
||||
};
|
||||
readOnlyRootFilesystem = true;
|
||||
};
|
||||
volumeMounts = [
|
||||
{
|
||||
mountPath = "/etc/coredns";
|
||||
name = "config-volume";
|
||||
readOnly = true;
|
||||
}
|
||||
];
|
||||
}
|
||||
];
|
||||
dnsPolicy = "Default";
|
||||
nodeSelector = {
|
||||
"beta.kubernetes.io/os" = "linux";
|
||||
};
|
||||
serviceAccountName = "coredns";
|
||||
tolerations = [
|
||||
{
|
||||
effect = "NoSchedule";
|
||||
key = "node-role.kubernetes.io/master";
|
||||
}
|
||||
{
|
||||
key = "CriticalAddonsOnly";
|
||||
operator = "Exists";
|
||||
}
|
||||
];
|
||||
volumes = [
|
||||
{
|
||||
configMap = {
|
||||
items = [
|
||||
{
|
||||
key = "Corefile";
|
||||
path = "Corefile";
|
||||
}
|
||||
];
|
||||
name = "coredns";
|
||||
};
|
||||
name = "config-volume";
|
||||
}
|
||||
];
|
||||
};
|
||||
};
|
||||
};
|
||||
};
|
||||
|
||||
coredns-svc = {
|
||||
apiVersion = "v1";
|
||||
kind = "Service";
|
||||
metadata = {
|
||||
annotations = {
|
||||
"prometheus.io/port" = toString ports.metrics;
|
||||
"prometheus.io/scrape" = "true";
|
||||
};
|
||||
labels = {
|
||||
"addonmanager.kubernetes.io/mode" = "Reconcile";
|
||||
k8s-app = "kube-dns";
|
||||
"kubernetes.io/cluster-service" = "true";
|
||||
"kubernetes.io/name" = "CoreDNS";
|
||||
};
|
||||
name = "kube-dns";
|
||||
namespace = "kube-system";
|
||||
};
|
||||
spec = {
|
||||
clusterIP = cfg.clusterIp;
|
||||
ports = [
|
||||
{
|
||||
name = "dns";
|
||||
port = 53;
|
||||
targetPort = ports.dns;
|
||||
protocol = "UDP";
|
||||
}
|
||||
{
|
||||
name = "dns-tcp";
|
||||
port = 53;
|
||||
targetPort = ports.dns;
|
||||
protocol = "TCP";
|
||||
}
|
||||
];
|
||||
selector = { k8s-app = "kube-dns"; };
|
||||
};
|
||||
};
|
||||
};
|
||||
|
||||
services.kubernetes.kubelet.clusterDns = mkDefault cfg.clusterIp;
|
||||
};
|
||||
|
||||
meta.buildDocsInSandbox = false;
|
||||
}
|
||||
500
nixos/modules/services/cluster/kubernetes/apiserver.nix
Normal file
500
nixos/modules/services/cluster/kubernetes/apiserver.nix
Normal file
|
|
@ -0,0 +1,500 @@
|
|||
{ config, lib, options, pkgs, ... }:
|
||||
|
||||
with lib;
|
||||
|
||||
let
|
||||
top = config.services.kubernetes;
|
||||
otop = options.services.kubernetes;
|
||||
cfg = top.apiserver;
|
||||
|
||||
isRBACEnabled = elem "RBAC" cfg.authorizationMode;
|
||||
|
||||
apiserverServiceIP = (concatStringsSep "." (
|
||||
take 3 (splitString "." cfg.serviceClusterIpRange
|
||||
)) + ".1");
|
||||
in
|
||||
{
|
||||
|
||||
imports = [
|
||||
(mkRenamedOptionModule [ "services" "kubernetes" "apiserver" "admissionControl" ] [ "services" "kubernetes" "apiserver" "enableAdmissionPlugins" ])
|
||||
(mkRenamedOptionModule [ "services" "kubernetes" "apiserver" "address" ] ["services" "kubernetes" "apiserver" "bindAddress"])
|
||||
(mkRenamedOptionModule [ "services" "kubernetes" "apiserver" "port" ] ["services" "kubernetes" "apiserver" "insecurePort"])
|
||||
(mkRemovedOptionModule [ "services" "kubernetes" "apiserver" "publicAddress" ] "")
|
||||
(mkRenamedOptionModule [ "services" "kubernetes" "etcd" "servers" ] [ "services" "kubernetes" "apiserver" "etcd" "servers" ])
|
||||
(mkRenamedOptionModule [ "services" "kubernetes" "etcd" "keyFile" ] [ "services" "kubernetes" "apiserver" "etcd" "keyFile" ])
|
||||
(mkRenamedOptionModule [ "services" "kubernetes" "etcd" "certFile" ] [ "services" "kubernetes" "apiserver" "etcd" "certFile" ])
|
||||
(mkRenamedOptionModule [ "services" "kubernetes" "etcd" "caFile" ] [ "services" "kubernetes" "apiserver" "etcd" "caFile" ])
|
||||
];
|
||||
|
||||
###### interface
|
||||
options.services.kubernetes.apiserver = with lib.types; {
|
||||
|
||||
advertiseAddress = mkOption {
|
||||
description = ''
|
||||
Kubernetes apiserver IP address on which to advertise the apiserver
|
||||
to members of the cluster. This address must be reachable by the rest
|
||||
of the cluster.
|
||||
'';
|
||||
default = null;
|
||||
type = nullOr str;
|
||||
};
|
||||
|
||||
allowPrivileged = mkOption {
|
||||
description = "Whether to allow privileged containers on Kubernetes.";
|
||||
default = false;
|
||||
type = bool;
|
||||
};
|
||||
|
||||
authorizationMode = mkOption {
|
||||
description = ''
|
||||
Kubernetes apiserver authorization mode (AlwaysAllow/AlwaysDeny/ABAC/Webhook/RBAC/Node). See
|
||||
<link xlink:href="https://kubernetes.io/docs/reference/access-authn-authz/authorization/"/>
|
||||
'';
|
||||
default = ["RBAC" "Node"]; # Enabling RBAC by default, although kubernetes default is AllowAllow
|
||||
type = listOf (enum ["AlwaysAllow" "AlwaysDeny" "ABAC" "Webhook" "RBAC" "Node"]);
|
||||
};
|
||||
|
||||
authorizationPolicy = mkOption {
|
||||
description = ''
|
||||
Kubernetes apiserver authorization policy file. See
|
||||
<link xlink:href="https://kubernetes.io/docs/reference/access-authn-authz/authorization/"/>
|
||||
'';
|
||||
default = [];
|
||||
type = listOf attrs;
|
||||
};
|
||||
|
||||
basicAuthFile = mkOption {
|
||||
description = ''
|
||||
Kubernetes apiserver basic authentication file. See
|
||||
<link xlink:href="https://kubernetes.io/docs/reference/access-authn-authz/authentication"/>
|
||||
'';
|
||||
default = null;
|
||||
type = nullOr path;
|
||||
};
|
||||
|
||||
bindAddress = mkOption {
|
||||
description = ''
|
||||
The IP address on which to listen for the --secure-port port.
|
||||
The associated interface(s) must be reachable by the rest
|
||||
of the cluster, and by CLI/web clients.
|
||||
'';
|
||||
default = "0.0.0.0";
|
||||
type = str;
|
||||
};
|
||||
|
||||
clientCaFile = mkOption {
|
||||
description = "Kubernetes apiserver CA file for client auth.";
|
||||
default = top.caFile;
|
||||
defaultText = literalExpression "config.${otop.caFile}";
|
||||
type = nullOr path;
|
||||
};
|
||||
|
||||
disableAdmissionPlugins = mkOption {
|
||||
description = ''
|
||||
Kubernetes admission control plugins to disable. See
|
||||
<link xlink:href="https://kubernetes.io/docs/admin/admission-controllers/"/>
|
||||
'';
|
||||
default = [];
|
||||
type = listOf str;
|
||||
};
|
||||
|
||||
enable = mkEnableOption "Kubernetes apiserver";
|
||||
|
||||
enableAdmissionPlugins = mkOption {
|
||||
description = ''
|
||||
Kubernetes admission control plugins to enable. See
|
||||
<link xlink:href="https://kubernetes.io/docs/admin/admission-controllers/"/>
|
||||
'';
|
||||
default = [
|
||||
"NamespaceLifecycle" "LimitRanger" "ServiceAccount"
|
||||
"ResourceQuota" "DefaultStorageClass" "DefaultTolerationSeconds"
|
||||
"NodeRestriction"
|
||||
];
|
||||
example = [
|
||||
"NamespaceLifecycle" "NamespaceExists" "LimitRanger"
|
||||
"SecurityContextDeny" "ServiceAccount" "ResourceQuota"
|
||||
"PodSecurityPolicy" "NodeRestriction" "DefaultStorageClass"
|
||||
];
|
||||
type = listOf str;
|
||||
};
|
||||
|
||||
etcd = {
|
||||
servers = mkOption {
|
||||
description = "List of etcd servers.";
|
||||
default = ["http://127.0.0.1:2379"];
|
||||
type = types.listOf types.str;
|
||||
};
|
||||
|
||||
keyFile = mkOption {
|
||||
description = "Etcd key file.";
|
||||
default = null;
|
||||
type = types.nullOr types.path;
|
||||
};
|
||||
|
||||
certFile = mkOption {
|
||||
description = "Etcd cert file.";
|
||||
default = null;
|
||||
type = types.nullOr types.path;
|
||||
};
|
||||
|
||||
caFile = mkOption {
|
||||
description = "Etcd ca file.";
|
||||
default = top.caFile;
|
||||
defaultText = literalExpression "config.${otop.caFile}";
|
||||
type = types.nullOr types.path;
|
||||
};
|
||||
};
|
||||
|
||||
extraOpts = mkOption {
|
||||
description = "Kubernetes apiserver extra command line options.";
|
||||
default = "";
|
||||
type = separatedString " ";
|
||||
};
|
||||
|
||||
extraSANs = mkOption {
|
||||
description = "Extra x509 Subject Alternative Names to be added to the kubernetes apiserver tls cert.";
|
||||
default = [];
|
||||
type = listOf str;
|
||||
};
|
||||
|
||||
featureGates = mkOption {
|
||||
description = "List set of feature gates";
|
||||
default = top.featureGates;
|
||||
defaultText = literalExpression "config.${otop.featureGates}";
|
||||
type = listOf str;
|
||||
};
|
||||
|
||||
insecureBindAddress = mkOption {
|
||||
description = "The IP address on which to serve the --insecure-port.";
|
||||
default = "127.0.0.1";
|
||||
type = str;
|
||||
};
|
||||
|
||||
insecurePort = mkOption {
|
||||
description = "Kubernetes apiserver insecure listening port. (0 = disabled)";
|
||||
default = 0;
|
||||
type = int;
|
||||
};
|
||||
|
||||
kubeletClientCaFile = mkOption {
|
||||
description = "Path to a cert file for connecting to kubelet.";
|
||||
default = top.caFile;
|
||||
defaultText = literalExpression "config.${otop.caFile}";
|
||||
type = nullOr path;
|
||||
};
|
||||
|
||||
kubeletClientCertFile = mkOption {
|
||||
description = "Client certificate to use for connections to kubelet.";
|
||||
default = null;
|
||||
type = nullOr path;
|
||||
};
|
||||
|
||||
kubeletClientKeyFile = mkOption {
|
||||
description = "Key to use for connections to kubelet.";
|
||||
default = null;
|
||||
type = nullOr path;
|
||||
};
|
||||
|
||||
preferredAddressTypes = mkOption {
|
||||
description = "List of the preferred NodeAddressTypes to use for kubelet connections.";
|
||||
type = nullOr str;
|
||||
default = null;
|
||||
};
|
||||
|
||||
proxyClientCertFile = mkOption {
|
||||
description = "Client certificate to use for connections to proxy.";
|
||||
default = null;
|
||||
type = nullOr path;
|
||||
};
|
||||
|
||||
proxyClientKeyFile = mkOption {
|
||||
description = "Key to use for connections to proxy.";
|
||||
default = null;
|
||||
type = nullOr path;
|
||||
};
|
||||
|
||||
runtimeConfig = mkOption {
|
||||
description = ''
|
||||
Api runtime configuration. See
|
||||
<link xlink:href="https://kubernetes.io/docs/tasks/administer-cluster/cluster-management/"/>
|
||||
'';
|
||||
default = "authentication.k8s.io/v1beta1=true";
|
||||
example = "api/all=false,api/v1=true";
|
||||
type = str;
|
||||
};
|
||||
|
||||
storageBackend = mkOption {
|
||||
description = ''
|
||||
Kubernetes apiserver storage backend.
|
||||
'';
|
||||
default = "etcd3";
|
||||
type = enum ["etcd2" "etcd3"];
|
||||
};
|
||||
|
||||
securePort = mkOption {
|
||||
description = "Kubernetes apiserver secure port.";
|
||||
default = 6443;
|
||||
type = int;
|
||||
};
|
||||
|
||||
apiAudiences = mkOption {
|
||||
description = ''
|
||||
Kubernetes apiserver ServiceAccount issuer.
|
||||
'';
|
||||
default = "api,https://kubernetes.default.svc";
|
||||
type = str;
|
||||
};
|
||||
|
||||
serviceAccountIssuer = mkOption {
|
||||
description = ''
|
||||
Kubernetes apiserver ServiceAccount issuer.
|
||||
'';
|
||||
default = "https://kubernetes.default.svc";
|
||||
type = str;
|
||||
};
|
||||
|
||||
serviceAccountSigningKeyFile = mkOption {
|
||||
description = ''
|
||||
Path to the file that contains the current private key of the service
|
||||
account token issuer. The issuer will sign issued ID tokens with this
|
||||
private key.
|
||||
'';
|
||||
type = path;
|
||||
};
|
||||
|
||||
serviceAccountKeyFile = mkOption {
|
||||
description = ''
|
||||
File containing PEM-encoded x509 RSA or ECDSA private or public keys,
|
||||
used to verify ServiceAccount tokens. The specified file can contain
|
||||
multiple keys, and the flag can be specified multiple times with
|
||||
different files. If unspecified, --tls-private-key-file is used.
|
||||
Must be specified when --service-account-signing-key is provided
|
||||
'';
|
||||
type = path;
|
||||
};
|
||||
|
||||
serviceClusterIpRange = mkOption {
|
||||
description = ''
|
||||
A CIDR notation IP range from which to assign service cluster IPs.
|
||||
This must not overlap with any IP ranges assigned to nodes for pods.
|
||||
'';
|
||||
default = "10.0.0.0/24";
|
||||
type = str;
|
||||
};
|
||||
|
||||
tlsCertFile = mkOption {
|
||||
description = "Kubernetes apiserver certificate file.";
|
||||
default = null;
|
||||
type = nullOr path;
|
||||
};
|
||||
|
||||
tlsKeyFile = mkOption {
|
||||
description = "Kubernetes apiserver private key file.";
|
||||
default = null;
|
||||
type = nullOr path;
|
||||
};
|
||||
|
||||
tokenAuthFile = mkOption {
|
||||
description = ''
|
||||
Kubernetes apiserver token authentication file. See
|
||||
<link xlink:href="https://kubernetes.io/docs/reference/access-authn-authz/authentication"/>
|
||||
'';
|
||||
default = null;
|
||||
type = nullOr path;
|
||||
};
|
||||
|
||||
verbosity = mkOption {
|
||||
description = ''
|
||||
Optional glog verbosity level for logging statements. See
|
||||
<link xlink:href="https://github.com/kubernetes/community/blob/master/contributors/devel/logging.md"/>
|
||||
'';
|
||||
default = null;
|
||||
type = nullOr int;
|
||||
};
|
||||
|
||||
webhookConfig = mkOption {
|
||||
description = ''
|
||||
Kubernetes apiserver Webhook config file. It uses the kubeconfig file format.
|
||||
See <link xlink:href="https://kubernetes.io/docs/reference/access-authn-authz/webhook/"/>
|
||||
'';
|
||||
default = null;
|
||||
type = nullOr path;
|
||||
};
|
||||
|
||||
};
|
||||
|
||||
|
||||
###### implementation
|
||||
config = mkMerge [
|
||||
|
||||
(mkIf cfg.enable {
|
||||
systemd.services.kube-apiserver = {
|
||||
description = "Kubernetes APIServer Service";
|
||||
wantedBy = [ "kubernetes.target" ];
|
||||
after = [ "network.target" ];
|
||||
serviceConfig = {
|
||||
Slice = "kubernetes.slice";
|
||||
ExecStart = ''${top.package}/bin/kube-apiserver \
|
||||
--allow-privileged=${boolToString cfg.allowPrivileged} \
|
||||
--authorization-mode=${concatStringsSep "," cfg.authorizationMode} \
|
||||
${optionalString (elem "ABAC" cfg.authorizationMode)
|
||||
"--authorization-policy-file=${
|
||||
pkgs.writeText "kube-auth-policy.jsonl"
|
||||
(concatMapStringsSep "\n" (l: builtins.toJSON l) cfg.authorizationPolicy)
|
||||
}"
|
||||
} \
|
||||
${optionalString (elem "Webhook" cfg.authorizationMode)
|
||||
"--authorization-webhook-config-file=${cfg.webhookConfig}"
|
||||
} \
|
||||
--bind-address=${cfg.bindAddress} \
|
||||
${optionalString (cfg.advertiseAddress != null)
|
||||
"--advertise-address=${cfg.advertiseAddress}"} \
|
||||
${optionalString (cfg.clientCaFile != null)
|
||||
"--client-ca-file=${cfg.clientCaFile}"} \
|
||||
--disable-admission-plugins=${concatStringsSep "," cfg.disableAdmissionPlugins} \
|
||||
--enable-admission-plugins=${concatStringsSep "," cfg.enableAdmissionPlugins} \
|
||||
--etcd-servers=${concatStringsSep "," cfg.etcd.servers} \
|
||||
${optionalString (cfg.etcd.caFile != null)
|
||||
"--etcd-cafile=${cfg.etcd.caFile}"} \
|
||||
${optionalString (cfg.etcd.certFile != null)
|
||||
"--etcd-certfile=${cfg.etcd.certFile}"} \
|
||||
${optionalString (cfg.etcd.keyFile != null)
|
||||
"--etcd-keyfile=${cfg.etcd.keyFile}"} \
|
||||
${optionalString (cfg.featureGates != [])
|
||||
"--feature-gates=${concatMapStringsSep "," (feature: "${feature}=true") cfg.featureGates}"} \
|
||||
${optionalString (cfg.basicAuthFile != null)
|
||||
"--basic-auth-file=${cfg.basicAuthFile}"} \
|
||||
${optionalString (cfg.kubeletClientCaFile != null)
|
||||
"--kubelet-certificate-authority=${cfg.kubeletClientCaFile}"} \
|
||||
${optionalString (cfg.kubeletClientCertFile != null)
|
||||
"--kubelet-client-certificate=${cfg.kubeletClientCertFile}"} \
|
||||
${optionalString (cfg.kubeletClientKeyFile != null)
|
||||
"--kubelet-client-key=${cfg.kubeletClientKeyFile}"} \
|
||||
${optionalString (cfg.preferredAddressTypes != null)
|
||||
"--kubelet-preferred-address-types=${cfg.preferredAddressTypes}"} \
|
||||
${optionalString (cfg.proxyClientCertFile != null)
|
||||
"--proxy-client-cert-file=${cfg.proxyClientCertFile}"} \
|
||||
${optionalString (cfg.proxyClientKeyFile != null)
|
||||
"--proxy-client-key-file=${cfg.proxyClientKeyFile}"} \
|
||||
--insecure-bind-address=${cfg.insecureBindAddress} \
|
||||
--insecure-port=${toString cfg.insecurePort} \
|
||||
${optionalString (cfg.runtimeConfig != "")
|
||||
"--runtime-config=${cfg.runtimeConfig}"} \
|
||||
--secure-port=${toString cfg.securePort} \
|
||||
--api-audiences=${toString cfg.apiAudiences} \
|
||||
--service-account-issuer=${toString cfg.serviceAccountIssuer} \
|
||||
--service-account-signing-key-file=${cfg.serviceAccountSigningKeyFile} \
|
||||
--service-account-key-file=${cfg.serviceAccountKeyFile} \
|
||||
--service-cluster-ip-range=${cfg.serviceClusterIpRange} \
|
||||
--storage-backend=${cfg.storageBackend} \
|
||||
${optionalString (cfg.tlsCertFile != null)
|
||||
"--tls-cert-file=${cfg.tlsCertFile}"} \
|
||||
${optionalString (cfg.tlsKeyFile != null)
|
||||
"--tls-private-key-file=${cfg.tlsKeyFile}"} \
|
||||
${optionalString (cfg.tokenAuthFile != null)
|
||||
"--token-auth-file=${cfg.tokenAuthFile}"} \
|
||||
${optionalString (cfg.verbosity != null) "--v=${toString cfg.verbosity}"} \
|
||||
${cfg.extraOpts}
|
||||
'';
|
||||
WorkingDirectory = top.dataDir;
|
||||
User = "kubernetes";
|
||||
Group = "kubernetes";
|
||||
AmbientCapabilities = "cap_net_bind_service";
|
||||
Restart = "on-failure";
|
||||
RestartSec = 5;
|
||||
};
|
||||
|
||||
unitConfig = {
|
||||
StartLimitIntervalSec = 0;
|
||||
};
|
||||
};
|
||||
|
||||
services.etcd = {
|
||||
clientCertAuth = mkDefault true;
|
||||
peerClientCertAuth = mkDefault true;
|
||||
listenClientUrls = mkDefault ["https://0.0.0.0:2379"];
|
||||
listenPeerUrls = mkDefault ["https://0.0.0.0:2380"];
|
||||
advertiseClientUrls = mkDefault ["https://${top.masterAddress}:2379"];
|
||||
initialCluster = mkDefault ["${top.masterAddress}=https://${top.masterAddress}:2380"];
|
||||
name = mkDefault top.masterAddress;
|
||||
initialAdvertisePeerUrls = mkDefault ["https://${top.masterAddress}:2380"];
|
||||
};
|
||||
|
||||
services.kubernetes.addonManager.bootstrapAddons = mkIf isRBACEnabled {
|
||||
|
||||
apiserver-kubelet-api-admin-crb = {
|
||||
apiVersion = "rbac.authorization.k8s.io/v1";
|
||||
kind = "ClusterRoleBinding";
|
||||
metadata = {
|
||||
name = "system:kube-apiserver:kubelet-api-admin";
|
||||
};
|
||||
roleRef = {
|
||||
apiGroup = "rbac.authorization.k8s.io";
|
||||
kind = "ClusterRole";
|
||||
name = "system:kubelet-api-admin";
|
||||
};
|
||||
subjects = [{
|
||||
kind = "User";
|
||||
name = "system:kube-apiserver";
|
||||
}];
|
||||
};
|
||||
|
||||
};
|
||||
|
||||
services.kubernetes.pki.certs = with top.lib; {
|
||||
apiServer = mkCert {
|
||||
name = "kube-apiserver";
|
||||
CN = "kubernetes";
|
||||
hosts = [
|
||||
"kubernetes.default.svc"
|
||||
"kubernetes.default.svc.${top.addons.dns.clusterDomain}"
|
||||
cfg.advertiseAddress
|
||||
top.masterAddress
|
||||
apiserverServiceIP
|
||||
"127.0.0.1"
|
||||
] ++ cfg.extraSANs;
|
||||
action = "systemctl restart kube-apiserver.service";
|
||||
};
|
||||
apiserverProxyClient = mkCert {
|
||||
name = "kube-apiserver-proxy-client";
|
||||
CN = "front-proxy-client";
|
||||
action = "systemctl restart kube-apiserver.service";
|
||||
};
|
||||
apiserverKubeletClient = mkCert {
|
||||
name = "kube-apiserver-kubelet-client";
|
||||
CN = "system:kube-apiserver";
|
||||
action = "systemctl restart kube-apiserver.service";
|
||||
};
|
||||
apiserverEtcdClient = mkCert {
|
||||
name = "kube-apiserver-etcd-client";
|
||||
CN = "etcd-client";
|
||||
action = "systemctl restart kube-apiserver.service";
|
||||
};
|
||||
clusterAdmin = mkCert {
|
||||
name = "cluster-admin";
|
||||
CN = "cluster-admin";
|
||||
fields = {
|
||||
O = "system:masters";
|
||||
};
|
||||
privateKeyOwner = "root";
|
||||
};
|
||||
etcd = mkCert {
|
||||
name = "etcd";
|
||||
CN = top.masterAddress;
|
||||
hosts = [
|
||||
"etcd.local"
|
||||
"etcd.${top.addons.dns.clusterDomain}"
|
||||
top.masterAddress
|
||||
cfg.advertiseAddress
|
||||
];
|
||||
privateKeyOwner = "etcd";
|
||||
action = "systemctl restart etcd.service";
|
||||
};
|
||||
};
|
||||
|
||||
})
|
||||
|
||||
];
|
||||
|
||||
meta.buildDocsInSandbox = false;
|
||||
}
|
||||
176
nixos/modules/services/cluster/kubernetes/controller-manager.nix
Normal file
176
nixos/modules/services/cluster/kubernetes/controller-manager.nix
Normal file
|
|
@ -0,0 +1,176 @@
|
|||
{ config, lib, options, pkgs, ... }:
|
||||
|
||||
with lib;
|
||||
|
||||
let
|
||||
top = config.services.kubernetes;
|
||||
otop = options.services.kubernetes;
|
||||
cfg = top.controllerManager;
|
||||
in
|
||||
{
|
||||
imports = [
|
||||
(mkRenamedOptionModule [ "services" "kubernetes" "controllerManager" "address" ] ["services" "kubernetes" "controllerManager" "bindAddress"])
|
||||
(mkRenamedOptionModule [ "services" "kubernetes" "controllerManager" "port" ] ["services" "kubernetes" "controllerManager" "insecurePort"])
|
||||
];
|
||||
|
||||
###### interface
|
||||
options.services.kubernetes.controllerManager = with lib.types; {
|
||||
|
||||
allocateNodeCIDRs = mkOption {
|
||||
description = "Whether to automatically allocate CIDR ranges for cluster nodes.";
|
||||
default = true;
|
||||
type = bool;
|
||||
};
|
||||
|
||||
bindAddress = mkOption {
|
||||
description = "Kubernetes controller manager listening address.";
|
||||
default = "127.0.0.1";
|
||||
type = str;
|
||||
};
|
||||
|
||||
clusterCidr = mkOption {
|
||||
description = "Kubernetes CIDR Range for Pods in cluster.";
|
||||
default = top.clusterCidr;
|
||||
defaultText = literalExpression "config.${otop.clusterCidr}";
|
||||
type = str;
|
||||
};
|
||||
|
||||
enable = mkEnableOption "Kubernetes controller manager";
|
||||
|
||||
extraOpts = mkOption {
|
||||
description = "Kubernetes controller manager extra command line options.";
|
||||
default = "";
|
||||
type = separatedString " ";
|
||||
};
|
||||
|
||||
featureGates = mkOption {
|
||||
description = "List set of feature gates";
|
||||
default = top.featureGates;
|
||||
defaultText = literalExpression "config.${otop.featureGates}";
|
||||
type = listOf str;
|
||||
};
|
||||
|
||||
insecurePort = mkOption {
|
||||
description = "Kubernetes controller manager insecure listening port.";
|
||||
default = 0;
|
||||
type = int;
|
||||
};
|
||||
|
||||
kubeconfig = top.lib.mkKubeConfigOptions "Kubernetes controller manager";
|
||||
|
||||
leaderElect = mkOption {
|
||||
description = "Whether to start leader election before executing main loop.";
|
||||
type = bool;
|
||||
default = true;
|
||||
};
|
||||
|
||||
rootCaFile = mkOption {
|
||||
description = ''
|
||||
Kubernetes controller manager certificate authority file included in
|
||||
service account's token secret.
|
||||
'';
|
||||
default = top.caFile;
|
||||
defaultText = literalExpression "config.${otop.caFile}";
|
||||
type = nullOr path;
|
||||
};
|
||||
|
||||
securePort = mkOption {
|
||||
description = "Kubernetes controller manager secure listening port.";
|
||||
default = 10252;
|
||||
type = int;
|
||||
};
|
||||
|
||||
serviceAccountKeyFile = mkOption {
|
||||
description = ''
|
||||
Kubernetes controller manager PEM-encoded private RSA key file used to
|
||||
sign service account tokens
|
||||
'';
|
||||
default = null;
|
||||
type = nullOr path;
|
||||
};
|
||||
|
||||
tlsCertFile = mkOption {
|
||||
description = "Kubernetes controller-manager certificate file.";
|
||||
default = null;
|
||||
type = nullOr path;
|
||||
};
|
||||
|
||||
tlsKeyFile = mkOption {
|
||||
description = "Kubernetes controller-manager private key file.";
|
||||
default = null;
|
||||
type = nullOr path;
|
||||
};
|
||||
|
||||
verbosity = mkOption {
|
||||
description = ''
|
||||
Optional glog verbosity level for logging statements. See
|
||||
<link xlink:href="https://github.com/kubernetes/community/blob/master/contributors/devel/logging.md"/>
|
||||
'';
|
||||
default = null;
|
||||
type = nullOr int;
|
||||
};
|
||||
|
||||
};
|
||||
|
||||
###### implementation
|
||||
config = mkIf cfg.enable {
|
||||
systemd.services.kube-controller-manager = {
|
||||
description = "Kubernetes Controller Manager Service";
|
||||
wantedBy = [ "kubernetes.target" ];
|
||||
after = [ "kube-apiserver.service" ];
|
||||
serviceConfig = {
|
||||
RestartSec = "30s";
|
||||
Restart = "on-failure";
|
||||
Slice = "kubernetes.slice";
|
||||
ExecStart = ''${top.package}/bin/kube-controller-manager \
|
||||
--allocate-node-cidrs=${boolToString cfg.allocateNodeCIDRs} \
|
||||
--bind-address=${cfg.bindAddress} \
|
||||
${optionalString (cfg.clusterCidr!=null)
|
||||
"--cluster-cidr=${cfg.clusterCidr}"} \
|
||||
${optionalString (cfg.featureGates != [])
|
||||
"--feature-gates=${concatMapStringsSep "," (feature: "${feature}=true") cfg.featureGates}"} \
|
||||
--kubeconfig=${top.lib.mkKubeConfig "kube-controller-manager" cfg.kubeconfig} \
|
||||
--leader-elect=${boolToString cfg.leaderElect} \
|
||||
${optionalString (cfg.rootCaFile!=null)
|
||||
"--root-ca-file=${cfg.rootCaFile}"} \
|
||||
--port=${toString cfg.insecurePort} \
|
||||
--secure-port=${toString cfg.securePort} \
|
||||
${optionalString (cfg.serviceAccountKeyFile!=null)
|
||||
"--service-account-private-key-file=${cfg.serviceAccountKeyFile}"} \
|
||||
${optionalString (cfg.tlsCertFile!=null)
|
||||
"--tls-cert-file=${cfg.tlsCertFile}"} \
|
||||
${optionalString (cfg.tlsKeyFile!=null)
|
||||
"--tls-private-key-file=${cfg.tlsKeyFile}"} \
|
||||
${optionalString (elem "RBAC" top.apiserver.authorizationMode)
|
||||
"--use-service-account-credentials"} \
|
||||
${optionalString (cfg.verbosity != null) "--v=${toString cfg.verbosity}"} \
|
||||
${cfg.extraOpts}
|
||||
'';
|
||||
WorkingDirectory = top.dataDir;
|
||||
User = "kubernetes";
|
||||
Group = "kubernetes";
|
||||
};
|
||||
unitConfig = {
|
||||
StartLimitIntervalSec = 0;
|
||||
};
|
||||
path = top.path;
|
||||
};
|
||||
|
||||
services.kubernetes.pki.certs = with top.lib; {
|
||||
controllerManager = mkCert {
|
||||
name = "kube-controller-manager";
|
||||
CN = "kube-controller-manager";
|
||||
action = "systemctl restart kube-controller-manager.service";
|
||||
};
|
||||
controllerManagerClient = mkCert {
|
||||
name = "kube-controller-manager-client";
|
||||
CN = "system:kube-controller-manager";
|
||||
action = "systemctl restart kube-controller-manager.service";
|
||||
};
|
||||
};
|
||||
|
||||
services.kubernetes.controllerManager.kubeconfig.server = mkDefault top.apiserverAddress;
|
||||
};
|
||||
|
||||
meta.buildDocsInSandbox = false;
|
||||
}
|
||||
315
nixos/modules/services/cluster/kubernetes/default.nix
Normal file
315
nixos/modules/services/cluster/kubernetes/default.nix
Normal file
|
|
@ -0,0 +1,315 @@
|
|||
{ config, lib, options, pkgs, ... }:
|
||||
|
||||
with lib;
|
||||
|
||||
let
|
||||
cfg = config.services.kubernetes;
|
||||
opt = options.services.kubernetes;
|
||||
|
||||
defaultContainerdSettings = {
|
||||
version = 2;
|
||||
root = "/var/lib/containerd";
|
||||
state = "/run/containerd";
|
||||
oom_score = 0;
|
||||
|
||||
grpc = {
|
||||
address = "/run/containerd/containerd.sock";
|
||||
};
|
||||
|
||||
plugins."io.containerd.grpc.v1.cri" = {
|
||||
sandbox_image = "pause:latest";
|
||||
|
||||
cni = {
|
||||
bin_dir = "/opt/cni/bin";
|
||||
max_conf_num = 0;
|
||||
};
|
||||
|
||||
containerd.runtimes.runc = {
|
||||
runtime_type = "io.containerd.runc.v2";
|
||||
options.SystemdCgroup = true;
|
||||
};
|
||||
};
|
||||
};
|
||||
|
||||
mkKubeConfig = name: conf: pkgs.writeText "${name}-kubeconfig" (builtins.toJSON {
|
||||
apiVersion = "v1";
|
||||
kind = "Config";
|
||||
clusters = [{
|
||||
name = "local";
|
||||
cluster.certificate-authority = conf.caFile or cfg.caFile;
|
||||
cluster.server = conf.server;
|
||||
}];
|
||||
users = [{
|
||||
inherit name;
|
||||
user = {
|
||||
client-certificate = conf.certFile;
|
||||
client-key = conf.keyFile;
|
||||
};
|
||||
}];
|
||||
contexts = [{
|
||||
context = {
|
||||
cluster = "local";
|
||||
user = name;
|
||||
};
|
||||
name = "local";
|
||||
}];
|
||||
current-context = "local";
|
||||
});
|
||||
|
||||
caCert = secret "ca";
|
||||
|
||||
etcdEndpoints = ["https://${cfg.masterAddress}:2379"];
|
||||
|
||||
mkCert = { name, CN, hosts ? [], fields ? {}, action ? "",
|
||||
privateKeyOwner ? "kubernetes" }: rec {
|
||||
inherit name caCert CN hosts fields action;
|
||||
cert = secret name;
|
||||
key = secret "${name}-key";
|
||||
privateKeyOptions = {
|
||||
owner = privateKeyOwner;
|
||||
group = "nogroup";
|
||||
mode = "0600";
|
||||
path = key;
|
||||
};
|
||||
};
|
||||
|
||||
secret = name: "${cfg.secretsPath}/${name}.pem";
|
||||
|
||||
mkKubeConfigOptions = prefix: {
|
||||
server = mkOption {
|
||||
description = "${prefix} kube-apiserver server address.";
|
||||
type = types.str;
|
||||
};
|
||||
|
||||
caFile = mkOption {
|
||||
description = "${prefix} certificate authority file used to connect to kube-apiserver.";
|
||||
type = types.nullOr types.path;
|
||||
default = cfg.caFile;
|
||||
defaultText = literalExpression "config.${opt.caFile}";
|
||||
};
|
||||
|
||||
certFile = mkOption {
|
||||
description = "${prefix} client certificate file used to connect to kube-apiserver.";
|
||||
type = types.nullOr types.path;
|
||||
default = null;
|
||||
};
|
||||
|
||||
keyFile = mkOption {
|
||||
description = "${prefix} client key file used to connect to kube-apiserver.";
|
||||
type = types.nullOr types.path;
|
||||
default = null;
|
||||
};
|
||||
};
|
||||
in {
|
||||
|
||||
imports = [
|
||||
(mkRemovedOptionModule [ "services" "kubernetes" "addons" "dashboard" ] "Removed due to it being an outdated version")
|
||||
(mkRemovedOptionModule [ "services" "kubernetes" "verbose" ] "")
|
||||
];
|
||||
|
||||
###### interface
|
||||
|
||||
options.services.kubernetes = {
|
||||
roles = mkOption {
|
||||
description = ''
|
||||
Kubernetes role that this machine should take.
|
||||
|
||||
Master role will enable etcd, apiserver, scheduler, controller manager
|
||||
addon manager, flannel and proxy services.
|
||||
Node role will enable flannel, docker, kubelet and proxy services.
|
||||
'';
|
||||
default = [];
|
||||
type = types.listOf (types.enum ["master" "node"]);
|
||||
};
|
||||
|
||||
package = mkOption {
|
||||
description = "Kubernetes package to use.";
|
||||
type = types.package;
|
||||
default = pkgs.kubernetes;
|
||||
defaultText = literalExpression "pkgs.kubernetes";
|
||||
};
|
||||
|
||||
kubeconfig = mkKubeConfigOptions "Default kubeconfig";
|
||||
|
||||
apiserverAddress = mkOption {
|
||||
description = ''
|
||||
Clusterwide accessible address for the kubernetes apiserver,
|
||||
including protocol and optional port.
|
||||
'';
|
||||
example = "https://kubernetes-apiserver.example.com:6443";
|
||||
type = types.str;
|
||||
};
|
||||
|
||||
caFile = mkOption {
|
||||
description = "Default kubernetes certificate authority";
|
||||
type = types.nullOr types.path;
|
||||
default = null;
|
||||
};
|
||||
|
||||
dataDir = mkOption {
|
||||
description = "Kubernetes root directory for managing kubelet files.";
|
||||
default = "/var/lib/kubernetes";
|
||||
type = types.path;
|
||||
};
|
||||
|
||||
easyCerts = mkOption {
|
||||
description = "Automatically setup x509 certificates and keys for the entire cluster.";
|
||||
default = false;
|
||||
type = types.bool;
|
||||
};
|
||||
|
||||
featureGates = mkOption {
|
||||
description = "List set of feature gates.";
|
||||
default = [];
|
||||
type = types.listOf types.str;
|
||||
};
|
||||
|
||||
masterAddress = mkOption {
|
||||
description = "Clusterwide available network address or hostname for the kubernetes master server.";
|
||||
example = "master.example.com";
|
||||
type = types.str;
|
||||
};
|
||||
|
||||
path = mkOption {
|
||||
description = "Packages added to the services' PATH environment variable. Both the bin and sbin subdirectories of each package are added.";
|
||||
type = types.listOf types.package;
|
||||
default = [];
|
||||
};
|
||||
|
||||
clusterCidr = mkOption {
|
||||
description = "Kubernetes controller manager and proxy CIDR Range for Pods in cluster.";
|
||||
default = "10.1.0.0/16";
|
||||
type = types.nullOr types.str;
|
||||
};
|
||||
|
||||
lib = mkOption {
|
||||
description = "Common functions for the kubernetes modules.";
|
||||
default = {
|
||||
inherit mkCert;
|
||||
inherit mkKubeConfig;
|
||||
inherit mkKubeConfigOptions;
|
||||
};
|
||||
type = types.attrs;
|
||||
};
|
||||
|
||||
secretsPath = mkOption {
|
||||
description = "Default location for kubernetes secrets. Not a store location.";
|
||||
type = types.path;
|
||||
default = cfg.dataDir + "/secrets";
|
||||
defaultText = literalExpression ''
|
||||
config.${opt.dataDir} + "/secrets"
|
||||
'';
|
||||
};
|
||||
};
|
||||
|
||||
###### implementation
|
||||
|
||||
config = mkMerge [
|
||||
|
||||
(mkIf cfg.easyCerts {
|
||||
services.kubernetes.pki.enable = mkDefault true;
|
||||
services.kubernetes.caFile = caCert;
|
||||
})
|
||||
|
||||
(mkIf (elem "master" cfg.roles) {
|
||||
services.kubernetes.apiserver.enable = mkDefault true;
|
||||
services.kubernetes.scheduler.enable = mkDefault true;
|
||||
services.kubernetes.controllerManager.enable = mkDefault true;
|
||||
services.kubernetes.addonManager.enable = mkDefault true;
|
||||
services.kubernetes.proxy.enable = mkDefault true;
|
||||
services.etcd.enable = true; # Cannot mkDefault because of flannel default options
|
||||
services.kubernetes.kubelet = {
|
||||
enable = mkDefault true;
|
||||
taints = mkIf (!(elem "node" cfg.roles)) {
|
||||
master = {
|
||||
key = "node-role.kubernetes.io/master";
|
||||
value = "true";
|
||||
effect = "NoSchedule";
|
||||
};
|
||||
};
|
||||
};
|
||||
})
|
||||
|
||||
|
||||
(mkIf (all (el: el == "master") cfg.roles) {
|
||||
# if this node is only a master make it unschedulable by default
|
||||
services.kubernetes.kubelet.unschedulable = mkDefault true;
|
||||
})
|
||||
|
||||
(mkIf (elem "node" cfg.roles) {
|
||||
services.kubernetes.kubelet.enable = mkDefault true;
|
||||
services.kubernetes.proxy.enable = mkDefault true;
|
||||
})
|
||||
|
||||
# Using "services.kubernetes.roles" will automatically enable easyCerts and flannel
|
||||
(mkIf (cfg.roles != []) {
|
||||
services.kubernetes.flannel.enable = mkDefault true;
|
||||
services.flannel.etcd.endpoints = mkDefault etcdEndpoints;
|
||||
services.kubernetes.easyCerts = mkDefault true;
|
||||
})
|
||||
|
||||
(mkIf cfg.apiserver.enable {
|
||||
services.kubernetes.pki.etcClusterAdminKubeconfig = mkDefault "kubernetes/cluster-admin.kubeconfig";
|
||||
services.kubernetes.apiserver.etcd.servers = mkDefault etcdEndpoints;
|
||||
})
|
||||
|
||||
(mkIf cfg.kubelet.enable {
|
||||
virtualisation.containerd = {
|
||||
enable = mkDefault true;
|
||||
settings = mapAttrsRecursive (name: mkDefault) defaultContainerdSettings;
|
||||
};
|
||||
})
|
||||
|
||||
(mkIf (cfg.apiserver.enable || cfg.controllerManager.enable) {
|
||||
services.kubernetes.pki.certs = {
|
||||
serviceAccount = mkCert {
|
||||
name = "service-account";
|
||||
CN = "system:service-account-signer";
|
||||
action = ''
|
||||
systemctl reload \
|
||||
kube-apiserver.service \
|
||||
kube-controller-manager.service
|
||||
'';
|
||||
};
|
||||
};
|
||||
})
|
||||
|
||||
(mkIf (
|
||||
cfg.apiserver.enable ||
|
||||
cfg.scheduler.enable ||
|
||||
cfg.controllerManager.enable ||
|
||||
cfg.kubelet.enable ||
|
||||
cfg.proxy.enable ||
|
||||
cfg.addonManager.enable
|
||||
) {
|
||||
systemd.targets.kubernetes = {
|
||||
description = "Kubernetes";
|
||||
wantedBy = [ "multi-user.target" ];
|
||||
};
|
||||
|
||||
systemd.tmpfiles.rules = [
|
||||
"d /opt/cni/bin 0755 root root -"
|
||||
"d /run/kubernetes 0755 kubernetes kubernetes -"
|
||||
"d /var/lib/kubernetes 0755 kubernetes kubernetes -"
|
||||
];
|
||||
|
||||
users.users.kubernetes = {
|
||||
uid = config.ids.uids.kubernetes;
|
||||
description = "Kubernetes user";
|
||||
group = "kubernetes";
|
||||
home = cfg.dataDir;
|
||||
createHome = true;
|
||||
};
|
||||
users.groups.kubernetes.gid = config.ids.gids.kubernetes;
|
||||
|
||||
# dns addon is enabled by default
|
||||
services.kubernetes.addons.dns.enable = mkDefault true;
|
||||
|
||||
services.kubernetes.apiserverAddress = mkDefault ("https://${if cfg.apiserver.advertiseAddress != null
|
||||
then cfg.apiserver.advertiseAddress
|
||||
else "${cfg.masterAddress}:${toString cfg.apiserver.securePort}"}");
|
||||
})
|
||||
];
|
||||
|
||||
meta.buildDocsInSandbox = false;
|
||||
}
|
||||
100
nixos/modules/services/cluster/kubernetes/flannel.nix
Normal file
100
nixos/modules/services/cluster/kubernetes/flannel.nix
Normal file
|
|
@ -0,0 +1,100 @@
|
|||
{ config, lib, pkgs, ... }:
|
||||
|
||||
with lib;
|
||||
|
||||
let
|
||||
top = config.services.kubernetes;
|
||||
cfg = top.flannel;
|
||||
|
||||
# we want flannel to use kubernetes itself as configuration backend, not direct etcd
|
||||
storageBackend = "kubernetes";
|
||||
in
|
||||
{
|
||||
###### interface
|
||||
options.services.kubernetes.flannel = {
|
||||
enable = mkEnableOption "enable flannel networking";
|
||||
};
|
||||
|
||||
###### implementation
|
||||
config = mkIf cfg.enable {
|
||||
services.flannel = {
|
||||
|
||||
enable = mkDefault true;
|
||||
network = mkDefault top.clusterCidr;
|
||||
inherit storageBackend;
|
||||
nodeName = config.services.kubernetes.kubelet.hostname;
|
||||
};
|
||||
|
||||
services.kubernetes.kubelet = {
|
||||
networkPlugin = mkDefault "cni";
|
||||
cni.config = mkDefault [{
|
||||
name = "mynet";
|
||||
type = "flannel";
|
||||
cniVersion = "0.3.1";
|
||||
delegate = {
|
||||
isDefaultGateway = true;
|
||||
bridge = "mynet";
|
||||
};
|
||||
}];
|
||||
};
|
||||
|
||||
networking = {
|
||||
firewall.allowedUDPPorts = [
|
||||
8285 # flannel udp
|
||||
8472 # flannel vxlan
|
||||
];
|
||||
dhcpcd.denyInterfaces = [ "mynet*" "flannel*" ];
|
||||
};
|
||||
|
||||
services.kubernetes.pki.certs = {
|
||||
flannelClient = top.lib.mkCert {
|
||||
name = "flannel-client";
|
||||
CN = "flannel-client";
|
||||
action = "systemctl restart flannel.service";
|
||||
};
|
||||
};
|
||||
|
||||
# give flannel som kubernetes rbac permissions if applicable
|
||||
services.kubernetes.addonManager.bootstrapAddons = mkIf ((storageBackend == "kubernetes") && (elem "RBAC" top.apiserver.authorizationMode)) {
|
||||
|
||||
flannel-cr = {
|
||||
apiVersion = "rbac.authorization.k8s.io/v1";
|
||||
kind = "ClusterRole";
|
||||
metadata = { name = "flannel"; };
|
||||
rules = [{
|
||||
apiGroups = [ "" ];
|
||||
resources = [ "pods" ];
|
||||
verbs = [ "get" ];
|
||||
}
|
||||
{
|
||||
apiGroups = [ "" ];
|
||||
resources = [ "nodes" ];
|
||||
verbs = [ "list" "watch" ];
|
||||
}
|
||||
{
|
||||
apiGroups = [ "" ];
|
||||
resources = [ "nodes/status" ];
|
||||
verbs = [ "patch" ];
|
||||
}];
|
||||
};
|
||||
|
||||
flannel-crb = {
|
||||
apiVersion = "rbac.authorization.k8s.io/v1";
|
||||
kind = "ClusterRoleBinding";
|
||||
metadata = { name = "flannel"; };
|
||||
roleRef = {
|
||||
apiGroup = "rbac.authorization.k8s.io";
|
||||
kind = "ClusterRole";
|
||||
name = "flannel";
|
||||
};
|
||||
subjects = [{
|
||||
kind = "User";
|
||||
name = "flannel-client";
|
||||
}];
|
||||
};
|
||||
|
||||
};
|
||||
};
|
||||
|
||||
meta.buildDocsInSandbox = false;
|
||||
}
|
||||
398
nixos/modules/services/cluster/kubernetes/kubelet.nix
Normal file
398
nixos/modules/services/cluster/kubernetes/kubelet.nix
Normal file
|
|
@ -0,0 +1,398 @@
|
|||
{ config, lib, options, pkgs, ... }:
|
||||
|
||||
with lib;
|
||||
|
||||
let
|
||||
top = config.services.kubernetes;
|
||||
otop = options.services.kubernetes;
|
||||
cfg = top.kubelet;
|
||||
|
||||
cniConfig =
|
||||
if cfg.cni.config != [] && cfg.cni.configDir != null then
|
||||
throw "Verbatim CNI-config and CNI configDir cannot both be set."
|
||||
else if cfg.cni.configDir != null then
|
||||
cfg.cni.configDir
|
||||
else
|
||||
(pkgs.buildEnv {
|
||||
name = "kubernetes-cni-config";
|
||||
paths = imap (i: entry:
|
||||
pkgs.writeTextDir "${toString (10+i)}-${entry.type}.conf" (builtins.toJSON entry)
|
||||
) cfg.cni.config;
|
||||
});
|
||||
|
||||
infraContainer = pkgs.dockerTools.buildImage {
|
||||
name = "pause";
|
||||
tag = "latest";
|
||||
contents = top.package.pause;
|
||||
config.Cmd = ["/bin/pause"];
|
||||
};
|
||||
|
||||
kubeconfig = top.lib.mkKubeConfig "kubelet" cfg.kubeconfig;
|
||||
|
||||
manifestPath = "kubernetes/manifests";
|
||||
|
||||
taintOptions = with lib.types; { name, ... }: {
|
||||
options = {
|
||||
key = mkOption {
|
||||
description = "Key of taint.";
|
||||
default = name;
|
||||
defaultText = literalDocBook "Name of this submodule.";
|
||||
type = str;
|
||||
};
|
||||
value = mkOption {
|
||||
description = "Value of taint.";
|
||||
type = str;
|
||||
};
|
||||
effect = mkOption {
|
||||
description = "Effect of taint.";
|
||||
example = "NoSchedule";
|
||||
type = enum ["NoSchedule" "PreferNoSchedule" "NoExecute"];
|
||||
};
|
||||
};
|
||||
};
|
||||
|
||||
taints = concatMapStringsSep "," (v: "${v.key}=${v.value}:${v.effect}") (mapAttrsToList (n: v: v) cfg.taints);
|
||||
in
|
||||
{
|
||||
imports = [
|
||||
(mkRemovedOptionModule [ "services" "kubernetes" "kubelet" "applyManifests" ] "")
|
||||
(mkRemovedOptionModule [ "services" "kubernetes" "kubelet" "cadvisorPort" ] "")
|
||||
(mkRemovedOptionModule [ "services" "kubernetes" "kubelet" "allowPrivileged" ] "")
|
||||
];
|
||||
|
||||
###### interface
|
||||
options.services.kubernetes.kubelet = with lib.types; {
|
||||
|
||||
address = mkOption {
|
||||
description = "Kubernetes kubelet info server listening address.";
|
||||
default = "0.0.0.0";
|
||||
type = str;
|
||||
};
|
||||
|
||||
clusterDns = mkOption {
|
||||
description = "Use alternative DNS.";
|
||||
default = "10.1.0.1";
|
||||
type = str;
|
||||
};
|
||||
|
||||
clusterDomain = mkOption {
|
||||
description = "Use alternative domain.";
|
||||
default = config.services.kubernetes.addons.dns.clusterDomain;
|
||||
defaultText = literalExpression "config.${options.services.kubernetes.addons.dns.clusterDomain}";
|
||||
type = str;
|
||||
};
|
||||
|
||||
clientCaFile = mkOption {
|
||||
description = "Kubernetes apiserver CA file for client authentication.";
|
||||
default = top.caFile;
|
||||
defaultText = literalExpression "config.${otop.caFile}";
|
||||
type = nullOr path;
|
||||
};
|
||||
|
||||
cni = {
|
||||
packages = mkOption {
|
||||
description = "List of network plugin packages to install.";
|
||||
type = listOf package;
|
||||
default = [];
|
||||
};
|
||||
|
||||
config = mkOption {
|
||||
description = "Kubernetes CNI configuration.";
|
||||
type = listOf attrs;
|
||||
default = [];
|
||||
example = literalExpression ''
|
||||
[{
|
||||
"cniVersion": "0.3.1",
|
||||
"name": "mynet",
|
||||
"type": "bridge",
|
||||
"bridge": "cni0",
|
||||
"isGateway": true,
|
||||
"ipMasq": true,
|
||||
"ipam": {
|
||||
"type": "host-local",
|
||||
"subnet": "10.22.0.0/16",
|
||||
"routes": [
|
||||
{ "dst": "0.0.0.0/0" }
|
||||
]
|
||||
}
|
||||
} {
|
||||
"cniVersion": "0.3.1",
|
||||
"type": "loopback"
|
||||
}]
|
||||
'';
|
||||
};
|
||||
|
||||
configDir = mkOption {
|
||||
description = "Path to Kubernetes CNI configuration directory.";
|
||||
type = nullOr path;
|
||||
default = null;
|
||||
};
|
||||
};
|
||||
|
||||
containerRuntime = mkOption {
|
||||
description = "Which container runtime type to use";
|
||||
type = enum ["docker" "remote"];
|
||||
default = "remote";
|
||||
};
|
||||
|
||||
containerRuntimeEndpoint = mkOption {
|
||||
description = "Endpoint at which to find the container runtime api interface/socket";
|
||||
type = str;
|
||||
default = "unix:///run/containerd/containerd.sock";
|
||||
};
|
||||
|
||||
enable = mkEnableOption "Kubernetes kubelet.";
|
||||
|
||||
extraOpts = mkOption {
|
||||
description = "Kubernetes kubelet extra command line options.";
|
||||
default = "";
|
||||
type = separatedString " ";
|
||||
};
|
||||
|
||||
featureGates = mkOption {
|
||||
description = "List set of feature gates";
|
||||
default = top.featureGates;
|
||||
defaultText = literalExpression "config.${otop.featureGates}";
|
||||
type = listOf str;
|
||||
};
|
||||
|
||||
healthz = {
|
||||
bind = mkOption {
|
||||
description = "Kubernetes kubelet healthz listening address.";
|
||||
default = "127.0.0.1";
|
||||
type = str;
|
||||
};
|
||||
|
||||
port = mkOption {
|
||||
description = "Kubernetes kubelet healthz port.";
|
||||
default = 10248;
|
||||
type = int;
|
||||
};
|
||||
};
|
||||
|
||||
hostname = mkOption {
|
||||
description = "Kubernetes kubelet hostname override.";
|
||||
default = config.networking.hostName;
|
||||
defaultText = literalExpression "config.networking.hostName";
|
||||
type = str;
|
||||
};
|
||||
|
||||
kubeconfig = top.lib.mkKubeConfigOptions "Kubelet";
|
||||
|
||||
manifests = mkOption {
|
||||
description = "List of manifests to bootstrap with kubelet (only pods can be created as manifest entry)";
|
||||
type = attrsOf attrs;
|
||||
default = {};
|
||||
};
|
||||
|
||||
networkPlugin = mkOption {
|
||||
description = "Network plugin to use by Kubernetes.";
|
||||
type = nullOr (enum ["cni" "kubenet"]);
|
||||
default = "kubenet";
|
||||
};
|
||||
|
||||
nodeIp = mkOption {
|
||||
description = "IP address of the node. If set, kubelet will use this IP address for the node.";
|
||||
default = null;
|
||||
type = nullOr str;
|
||||
};
|
||||
|
||||
registerNode = mkOption {
|
||||
description = "Whether to auto register kubelet with API server.";
|
||||
default = true;
|
||||
type = bool;
|
||||
};
|
||||
|
||||
port = mkOption {
|
||||
description = "Kubernetes kubelet info server listening port.";
|
||||
default = 10250;
|
||||
type = int;
|
||||
};
|
||||
|
||||
seedDockerImages = mkOption {
|
||||
description = "List of docker images to preload on system";
|
||||
default = [];
|
||||
type = listOf package;
|
||||
};
|
||||
|
||||
taints = mkOption {
|
||||
description = "Node taints (https://kubernetes.io/docs/concepts/configuration/assign-pod-node/).";
|
||||
default = {};
|
||||
type = attrsOf (submodule [ taintOptions ]);
|
||||
};
|
||||
|
||||
tlsCertFile = mkOption {
|
||||
description = "File containing x509 Certificate for HTTPS.";
|
||||
default = null;
|
||||
type = nullOr path;
|
||||
};
|
||||
|
||||
tlsKeyFile = mkOption {
|
||||
description = "File containing x509 private key matching tlsCertFile.";
|
||||
default = null;
|
||||
type = nullOr path;
|
||||
};
|
||||
|
||||
unschedulable = mkOption {
|
||||
description = "Whether to set node taint to unschedulable=true as it is the case of node that has only master role.";
|
||||
default = false;
|
||||
type = bool;
|
||||
};
|
||||
|
||||
verbosity = mkOption {
|
||||
description = ''
|
||||
Optional glog verbosity level for logging statements. See
|
||||
<link xlink:href="https://github.com/kubernetes/community/blob/master/contributors/devel/logging.md"/>
|
||||
'';
|
||||
default = null;
|
||||
type = nullOr int;
|
||||
};
|
||||
|
||||
};
|
||||
|
||||
###### implementation
|
||||
config = mkMerge [
|
||||
(mkIf cfg.enable {
|
||||
|
||||
environment.etc."cni/net.d".source = cniConfig;
|
||||
|
||||
services.kubernetes.kubelet.seedDockerImages = [infraContainer];
|
||||
|
||||
boot.kernel.sysctl = {
|
||||
"net.bridge.bridge-nf-call-iptables" = 1;
|
||||
"net.ipv4.ip_forward" = 1;
|
||||
"net.bridge.bridge-nf-call-ip6tables" = 1;
|
||||
};
|
||||
|
||||
systemd.services.kubelet = {
|
||||
description = "Kubernetes Kubelet Service";
|
||||
wantedBy = [ "kubernetes.target" ];
|
||||
after = [ "containerd.service" "network.target" "kube-apiserver.service" ];
|
||||
path = with pkgs; [
|
||||
gitMinimal
|
||||
openssh
|
||||
util-linux
|
||||
iproute2
|
||||
ethtool
|
||||
thin-provisioning-tools
|
||||
iptables
|
||||
socat
|
||||
] ++ lib.optional config.boot.zfs.enabled config.boot.zfs.package ++ top.path;
|
||||
preStart = ''
|
||||
${concatMapStrings (img: ''
|
||||
echo "Seeding container image: ${img}"
|
||||
${if (lib.hasSuffix "gz" img) then
|
||||
''${pkgs.gzip}/bin/zcat "${img}" | ${pkgs.containerd}/bin/ctr -n k8s.io image import --all-platforms -''
|
||||
else
|
||||
''${pkgs.coreutils}/bin/cat "${img}" | ${pkgs.containerd}/bin/ctr -n k8s.io image import --all-platforms -''
|
||||
}
|
||||
'') cfg.seedDockerImages}
|
||||
|
||||
rm /opt/cni/bin/* || true
|
||||
${concatMapStrings (package: ''
|
||||
echo "Linking cni package: ${package}"
|
||||
ln -fs ${package}/bin/* /opt/cni/bin
|
||||
'') cfg.cni.packages}
|
||||
'';
|
||||
serviceConfig = {
|
||||
Slice = "kubernetes.slice";
|
||||
CPUAccounting = true;
|
||||
MemoryAccounting = true;
|
||||
Restart = "on-failure";
|
||||
RestartSec = "1000ms";
|
||||
ExecStart = ''${top.package}/bin/kubelet \
|
||||
--address=${cfg.address} \
|
||||
--authentication-token-webhook \
|
||||
--authentication-token-webhook-cache-ttl="10s" \
|
||||
--authorization-mode=Webhook \
|
||||
${optionalString (cfg.clientCaFile != null)
|
||||
"--client-ca-file=${cfg.clientCaFile}"} \
|
||||
${optionalString (cfg.clusterDns != "")
|
||||
"--cluster-dns=${cfg.clusterDns}"} \
|
||||
${optionalString (cfg.clusterDomain != "")
|
||||
"--cluster-domain=${cfg.clusterDomain}"} \
|
||||
--cni-conf-dir=${cniConfig} \
|
||||
${optionalString (cfg.featureGates != [])
|
||||
"--feature-gates=${concatMapStringsSep "," (feature: "${feature}=true") cfg.featureGates}"} \
|
||||
--hairpin-mode=hairpin-veth \
|
||||
--healthz-bind-address=${cfg.healthz.bind} \
|
||||
--healthz-port=${toString cfg.healthz.port} \
|
||||
--hostname-override=${cfg.hostname} \
|
||||
--kubeconfig=${kubeconfig} \
|
||||
${optionalString (cfg.networkPlugin != null)
|
||||
"--network-plugin=${cfg.networkPlugin}"} \
|
||||
${optionalString (cfg.nodeIp != null)
|
||||
"--node-ip=${cfg.nodeIp}"} \
|
||||
--pod-infra-container-image=pause \
|
||||
${optionalString (cfg.manifests != {})
|
||||
"--pod-manifest-path=/etc/${manifestPath}"} \
|
||||
--port=${toString cfg.port} \
|
||||
--register-node=${boolToString cfg.registerNode} \
|
||||
${optionalString (taints != "")
|
||||
"--register-with-taints=${taints}"} \
|
||||
--root-dir=${top.dataDir} \
|
||||
${optionalString (cfg.tlsCertFile != null)
|
||||
"--tls-cert-file=${cfg.tlsCertFile}"} \
|
||||
${optionalString (cfg.tlsKeyFile != null)
|
||||
"--tls-private-key-file=${cfg.tlsKeyFile}"} \
|
||||
${optionalString (cfg.verbosity != null) "--v=${toString cfg.verbosity}"} \
|
||||
--container-runtime=${cfg.containerRuntime} \
|
||||
--container-runtime-endpoint=${cfg.containerRuntimeEndpoint} \
|
||||
--cgroup-driver=systemd \
|
||||
${cfg.extraOpts}
|
||||
'';
|
||||
WorkingDirectory = top.dataDir;
|
||||
};
|
||||
unitConfig = {
|
||||
StartLimitIntervalSec = 0;
|
||||
};
|
||||
};
|
||||
|
||||
# Allways include cni plugins
|
||||
services.kubernetes.kubelet.cni.packages = [pkgs.cni-plugins pkgs.cni-plugin-flannel];
|
||||
|
||||
boot.kernelModules = ["br_netfilter" "overlay"];
|
||||
|
||||
services.kubernetes.kubelet.hostname = with config.networking;
|
||||
mkDefault (hostName + optionalString (domain != null) ".${domain}");
|
||||
|
||||
services.kubernetes.pki.certs = with top.lib; {
|
||||
kubelet = mkCert {
|
||||
name = "kubelet";
|
||||
CN = top.kubelet.hostname;
|
||||
action = "systemctl restart kubelet.service";
|
||||
|
||||
};
|
||||
kubeletClient = mkCert {
|
||||
name = "kubelet-client";
|
||||
CN = "system:node:${top.kubelet.hostname}";
|
||||
fields = {
|
||||
O = "system:nodes";
|
||||
};
|
||||
action = "systemctl restart kubelet.service";
|
||||
};
|
||||
};
|
||||
|
||||
services.kubernetes.kubelet.kubeconfig.server = mkDefault top.apiserverAddress;
|
||||
})
|
||||
|
||||
(mkIf (cfg.enable && cfg.manifests != {}) {
|
||||
environment.etc = mapAttrs' (name: manifest:
|
||||
nameValuePair "${manifestPath}/${name}.json" {
|
||||
text = builtins.toJSON manifest;
|
||||
mode = "0755";
|
||||
}
|
||||
) cfg.manifests;
|
||||
})
|
||||
|
||||
(mkIf (cfg.unschedulable && cfg.enable) {
|
||||
services.kubernetes.kubelet.taints.unschedulable = {
|
||||
value = "true";
|
||||
effect = "NoSchedule";
|
||||
};
|
||||
})
|
||||
|
||||
];
|
||||
|
||||
meta.buildDocsInSandbox = false;
|
||||
}
|
||||
406
nixos/modules/services/cluster/kubernetes/pki.nix
Normal file
406
nixos/modules/services/cluster/kubernetes/pki.nix
Normal file
|
|
@ -0,0 +1,406 @@
|
|||
{ config, lib, pkgs, ... }:
|
||||
|
||||
with lib;
|
||||
|
||||
let
|
||||
top = config.services.kubernetes;
|
||||
cfg = top.pki;
|
||||
|
||||
csrCA = pkgs.writeText "kube-pki-cacert-csr.json" (builtins.toJSON {
|
||||
key = {
|
||||
algo = "rsa";
|
||||
size = 2048;
|
||||
};
|
||||
names = singleton cfg.caSpec;
|
||||
});
|
||||
|
||||
csrCfssl = pkgs.writeText "kube-pki-cfssl-csr.json" (builtins.toJSON {
|
||||
key = {
|
||||
algo = "rsa";
|
||||
size = 2048;
|
||||
};
|
||||
CN = top.masterAddress;
|
||||
hosts = [top.masterAddress] ++ cfg.cfsslAPIExtraSANs;
|
||||
});
|
||||
|
||||
cfsslAPITokenBaseName = "apitoken.secret";
|
||||
cfsslAPITokenPath = "${config.services.cfssl.dataDir}/${cfsslAPITokenBaseName}";
|
||||
certmgrAPITokenPath = "${top.secretsPath}/${cfsslAPITokenBaseName}";
|
||||
cfsslAPITokenLength = 32;
|
||||
|
||||
clusterAdminKubeconfig = with cfg.certs.clusterAdmin;
|
||||
top.lib.mkKubeConfig "cluster-admin" {
|
||||
server = top.apiserverAddress;
|
||||
certFile = cert;
|
||||
keyFile = key;
|
||||
};
|
||||
|
||||
remote = with config.services; "https://${kubernetes.masterAddress}:${toString cfssl.port}";
|
||||
in
|
||||
{
|
||||
###### interface
|
||||
options.services.kubernetes.pki = with lib.types; {
|
||||
|
||||
enable = mkEnableOption "easyCert issuer service";
|
||||
|
||||
certs = mkOption {
|
||||
description = "List of certificate specs to feed to cert generator.";
|
||||
default = {};
|
||||
type = attrs;
|
||||
};
|
||||
|
||||
genCfsslCACert = mkOption {
|
||||
description = ''
|
||||
Whether to automatically generate cfssl CA certificate and key,
|
||||
if they don't exist.
|
||||
'';
|
||||
default = true;
|
||||
type = bool;
|
||||
};
|
||||
|
||||
genCfsslAPICerts = mkOption {
|
||||
description = ''
|
||||
Whether to automatically generate cfssl API webserver TLS cert and key,
|
||||
if they don't exist.
|
||||
'';
|
||||
default = true;
|
||||
type = bool;
|
||||
};
|
||||
|
||||
cfsslAPIExtraSANs = mkOption {
|
||||
description = ''
|
||||
Extra x509 Subject Alternative Names to be added to the cfssl API webserver TLS cert.
|
||||
'';
|
||||
default = [];
|
||||
example = [ "subdomain.example.com" ];
|
||||
type = listOf str;
|
||||
};
|
||||
|
||||
genCfsslAPIToken = mkOption {
|
||||
description = ''
|
||||
Whether to automatically generate cfssl API-token secret,
|
||||
if they doesn't exist.
|
||||
'';
|
||||
default = true;
|
||||
type = bool;
|
||||
};
|
||||
|
||||
pkiTrustOnBootstrap = mkOption {
|
||||
description = "Whether to always trust remote cfssl server upon initial PKI bootstrap.";
|
||||
default = true;
|
||||
type = bool;
|
||||
};
|
||||
|
||||
caCertPathPrefix = mkOption {
|
||||
description = ''
|
||||
Path-prefrix for the CA-certificate to be used for cfssl signing.
|
||||
Suffixes ".pem" and "-key.pem" will be automatically appended for
|
||||
the public and private keys respectively.
|
||||
'';
|
||||
default = "${config.services.cfssl.dataDir}/ca";
|
||||
defaultText = literalExpression ''"''${config.services.cfssl.dataDir}/ca"'';
|
||||
type = str;
|
||||
};
|
||||
|
||||
caSpec = mkOption {
|
||||
description = "Certificate specification for the auto-generated CAcert.";
|
||||
default = {
|
||||
CN = "kubernetes-cluster-ca";
|
||||
O = "NixOS";
|
||||
OU = "services.kubernetes.pki.caSpec";
|
||||
L = "auto-generated";
|
||||
};
|
||||
type = attrs;
|
||||
};
|
||||
|
||||
etcClusterAdminKubeconfig = mkOption {
|
||||
description = ''
|
||||
Symlink a kubeconfig with cluster-admin privileges to environment path
|
||||
(/etc/<path>).
|
||||
'';
|
||||
default = null;
|
||||
type = nullOr str;
|
||||
};
|
||||
|
||||
};
|
||||
|
||||
###### implementation
|
||||
config = mkIf cfg.enable
|
||||
(let
|
||||
cfsslCertPathPrefix = "${config.services.cfssl.dataDir}/cfssl";
|
||||
cfsslCert = "${cfsslCertPathPrefix}.pem";
|
||||
cfsslKey = "${cfsslCertPathPrefix}-key.pem";
|
||||
in
|
||||
{
|
||||
|
||||
services.cfssl = mkIf (top.apiserver.enable) {
|
||||
enable = true;
|
||||
address = "0.0.0.0";
|
||||
tlsCert = cfsslCert;
|
||||
tlsKey = cfsslKey;
|
||||
configFile = toString (pkgs.writeText "cfssl-config.json" (builtins.toJSON {
|
||||
signing = {
|
||||
profiles = {
|
||||
default = {
|
||||
usages = ["digital signature"];
|
||||
auth_key = "default";
|
||||
expiry = "720h";
|
||||
};
|
||||
};
|
||||
};
|
||||
auth_keys = {
|
||||
default = {
|
||||
type = "standard";
|
||||
key = "file:${cfsslAPITokenPath}";
|
||||
};
|
||||
};
|
||||
}));
|
||||
};
|
||||
|
||||
systemd.services.cfssl.preStart = with pkgs; with config.services.cfssl; mkIf (top.apiserver.enable)
|
||||
(concatStringsSep "\n" [
|
||||
"set -e"
|
||||
(optionalString cfg.genCfsslCACert ''
|
||||
if [ ! -f "${cfg.caCertPathPrefix}.pem" ]; then
|
||||
${cfssl}/bin/cfssl genkey -initca ${csrCA} | \
|
||||
${cfssl}/bin/cfssljson -bare ${cfg.caCertPathPrefix}
|
||||
fi
|
||||
'')
|
||||
(optionalString cfg.genCfsslAPICerts ''
|
||||
if [ ! -f "${dataDir}/cfssl.pem" ]; then
|
||||
${cfssl}/bin/cfssl gencert -ca "${cfg.caCertPathPrefix}.pem" -ca-key "${cfg.caCertPathPrefix}-key.pem" ${csrCfssl} | \
|
||||
${cfssl}/bin/cfssljson -bare ${cfsslCertPathPrefix}
|
||||
fi
|
||||
'')
|
||||
(optionalString cfg.genCfsslAPIToken ''
|
||||
if [ ! -f "${cfsslAPITokenPath}" ]; then
|
||||
head -c ${toString (cfsslAPITokenLength / 2)} /dev/urandom | od -An -t x | tr -d ' ' >"${cfsslAPITokenPath}"
|
||||
fi
|
||||
chown cfssl "${cfsslAPITokenPath}" && chmod 400 "${cfsslAPITokenPath}"
|
||||
'')]);
|
||||
|
||||
systemd.services.kube-certmgr-bootstrap = {
|
||||
description = "Kubernetes certmgr bootstrapper";
|
||||
wantedBy = [ "certmgr.service" ];
|
||||
after = [ "cfssl.target" ];
|
||||
script = concatStringsSep "\n" [''
|
||||
set -e
|
||||
|
||||
# If there's a cfssl (cert issuer) running locally, then don't rely on user to
|
||||
# manually paste it in place. Just symlink.
|
||||
# otherwise, create the target file, ready for users to insert the token
|
||||
|
||||
mkdir -p "$(dirname "${certmgrAPITokenPath}")"
|
||||
if [ -f "${cfsslAPITokenPath}" ]; then
|
||||
ln -fs "${cfsslAPITokenPath}" "${certmgrAPITokenPath}"
|
||||
else
|
||||
touch "${certmgrAPITokenPath}" && chmod 600 "${certmgrAPITokenPath}"
|
||||
fi
|
||||
''
|
||||
(optionalString (cfg.pkiTrustOnBootstrap) ''
|
||||
if [ ! -f "${top.caFile}" ] || [ $(cat "${top.caFile}" | wc -c) -lt 1 ]; then
|
||||
${pkgs.curl}/bin/curl --fail-early -f -kd '{}' ${remote}/api/v1/cfssl/info | \
|
||||
${pkgs.cfssl}/bin/cfssljson -stdout >${top.caFile}
|
||||
fi
|
||||
'')
|
||||
];
|
||||
serviceConfig = {
|
||||
RestartSec = "10s";
|
||||
Restart = "on-failure";
|
||||
};
|
||||
};
|
||||
|
||||
services.certmgr = {
|
||||
enable = true;
|
||||
package = pkgs.certmgr-selfsigned;
|
||||
svcManager = "command";
|
||||
specs =
|
||||
let
|
||||
mkSpec = _: cert: {
|
||||
inherit (cert) action;
|
||||
authority = {
|
||||
inherit remote;
|
||||
file.path = cert.caCert;
|
||||
root_ca = cert.caCert;
|
||||
profile = "default";
|
||||
auth_key_file = certmgrAPITokenPath;
|
||||
};
|
||||
certificate = {
|
||||
path = cert.cert;
|
||||
};
|
||||
private_key = cert.privateKeyOptions;
|
||||
request = {
|
||||
hosts = [cert.CN] ++ cert.hosts;
|
||||
inherit (cert) CN;
|
||||
key = {
|
||||
algo = "rsa";
|
||||
size = 2048;
|
||||
};
|
||||
names = [ cert.fields ];
|
||||
};
|
||||
};
|
||||
in
|
||||
mapAttrs mkSpec cfg.certs;
|
||||
};
|
||||
|
||||
#TODO: Get rid of kube-addon-manager in the future for the following reasons
|
||||
# - it is basically just a shell script wrapped around kubectl
|
||||
# - it assumes that it is clusterAdmin or can gain clusterAdmin rights through serviceAccount
|
||||
# - it is designed to be used with k8s system components only
|
||||
# - it would be better with a more Nix-oriented way of managing addons
|
||||
systemd.services.kube-addon-manager = mkIf top.addonManager.enable (mkMerge [{
|
||||
environment.KUBECONFIG = with cfg.certs.addonManager;
|
||||
top.lib.mkKubeConfig "addon-manager" {
|
||||
server = top.apiserverAddress;
|
||||
certFile = cert;
|
||||
keyFile = key;
|
||||
};
|
||||
}
|
||||
|
||||
(optionalAttrs (top.addonManager.bootstrapAddons != {}) {
|
||||
serviceConfig.PermissionsStartOnly = true;
|
||||
preStart = with pkgs;
|
||||
let
|
||||
files = mapAttrsToList (n: v: writeText "${n}.json" (builtins.toJSON v))
|
||||
top.addonManager.bootstrapAddons;
|
||||
in
|
||||
''
|
||||
export KUBECONFIG=${clusterAdminKubeconfig}
|
||||
${kubernetes}/bin/kubectl apply -f ${concatStringsSep " \\\n -f " files}
|
||||
'';
|
||||
})]);
|
||||
|
||||
environment.etc.${cfg.etcClusterAdminKubeconfig}.source = mkIf (!isNull cfg.etcClusterAdminKubeconfig)
|
||||
clusterAdminKubeconfig;
|
||||
|
||||
environment.systemPackages = mkIf (top.kubelet.enable || top.proxy.enable) [
|
||||
(pkgs.writeScriptBin "nixos-kubernetes-node-join" ''
|
||||
set -e
|
||||
exec 1>&2
|
||||
|
||||
if [ $# -gt 0 ]; then
|
||||
echo "Usage: $(basename $0)"
|
||||
echo ""
|
||||
echo "No args. Apitoken must be provided on stdin."
|
||||
echo "To get the apitoken, execute: 'sudo cat ${certmgrAPITokenPath}' on the master node."
|
||||
exit 1
|
||||
fi
|
||||
|
||||
if [ $(id -u) != 0 ]; then
|
||||
echo "Run as root please."
|
||||
exit 1
|
||||
fi
|
||||
|
||||
read -r token
|
||||
if [ ''${#token} != ${toString cfsslAPITokenLength} ]; then
|
||||
echo "Token must be of length ${toString cfsslAPITokenLength}."
|
||||
exit 1
|
||||
fi
|
||||
|
||||
echo $token > ${certmgrAPITokenPath}
|
||||
chmod 600 ${certmgrAPITokenPath}
|
||||
|
||||
echo "Restarting certmgr..." >&1
|
||||
systemctl restart certmgr
|
||||
|
||||
echo "Waiting for certs to appear..." >&1
|
||||
|
||||
${optionalString top.kubelet.enable ''
|
||||
while [ ! -f ${cfg.certs.kubelet.cert} ]; do sleep 1; done
|
||||
echo "Restarting kubelet..." >&1
|
||||
systemctl restart kubelet
|
||||
''}
|
||||
|
||||
${optionalString top.proxy.enable ''
|
||||
while [ ! -f ${cfg.certs.kubeProxyClient.cert} ]; do sleep 1; done
|
||||
echo "Restarting kube-proxy..." >&1
|
||||
systemctl restart kube-proxy
|
||||
''}
|
||||
|
||||
${optionalString top.flannel.enable ''
|
||||
while [ ! -f ${cfg.certs.flannelClient.cert} ]; do sleep 1; done
|
||||
echo "Restarting flannel..." >&1
|
||||
systemctl restart flannel
|
||||
''}
|
||||
|
||||
echo "Node joined succesfully"
|
||||
'')];
|
||||
|
||||
# isolate etcd on loopback at the master node
|
||||
# easyCerts doesn't support multimaster clusters anyway atm.
|
||||
services.etcd = with cfg.certs.etcd; {
|
||||
listenClientUrls = ["https://127.0.0.1:2379"];
|
||||
listenPeerUrls = ["https://127.0.0.1:2380"];
|
||||
advertiseClientUrls = ["https://etcd.local:2379"];
|
||||
initialCluster = ["${top.masterAddress}=https://etcd.local:2380"];
|
||||
initialAdvertisePeerUrls = ["https://etcd.local:2380"];
|
||||
certFile = mkDefault cert;
|
||||
keyFile = mkDefault key;
|
||||
trustedCaFile = mkDefault caCert;
|
||||
};
|
||||
networking.extraHosts = mkIf (config.services.etcd.enable) ''
|
||||
127.0.0.1 etcd.${top.addons.dns.clusterDomain} etcd.local
|
||||
'';
|
||||
|
||||
services.flannel = with cfg.certs.flannelClient; {
|
||||
kubeconfig = top.lib.mkKubeConfig "flannel" {
|
||||
server = top.apiserverAddress;
|
||||
certFile = cert;
|
||||
keyFile = key;
|
||||
};
|
||||
};
|
||||
|
||||
services.kubernetes = {
|
||||
|
||||
apiserver = mkIf top.apiserver.enable (with cfg.certs.apiServer; {
|
||||
etcd = with cfg.certs.apiserverEtcdClient; {
|
||||
servers = ["https://etcd.local:2379"];
|
||||
certFile = mkDefault cert;
|
||||
keyFile = mkDefault key;
|
||||
caFile = mkDefault caCert;
|
||||
};
|
||||
clientCaFile = mkDefault caCert;
|
||||
tlsCertFile = mkDefault cert;
|
||||
tlsKeyFile = mkDefault key;
|
||||
serviceAccountKeyFile = mkDefault cfg.certs.serviceAccount.cert;
|
||||
serviceAccountSigningKeyFile = mkDefault cfg.certs.serviceAccount.key;
|
||||
kubeletClientCaFile = mkDefault caCert;
|
||||
kubeletClientCertFile = mkDefault cfg.certs.apiserverKubeletClient.cert;
|
||||
kubeletClientKeyFile = mkDefault cfg.certs.apiserverKubeletClient.key;
|
||||
proxyClientCertFile = mkDefault cfg.certs.apiserverProxyClient.cert;
|
||||
proxyClientKeyFile = mkDefault cfg.certs.apiserverProxyClient.key;
|
||||
});
|
||||
controllerManager = mkIf top.controllerManager.enable {
|
||||
serviceAccountKeyFile = mkDefault cfg.certs.serviceAccount.key;
|
||||
rootCaFile = cfg.certs.controllerManagerClient.caCert;
|
||||
kubeconfig = with cfg.certs.controllerManagerClient; {
|
||||
certFile = mkDefault cert;
|
||||
keyFile = mkDefault key;
|
||||
};
|
||||
};
|
||||
scheduler = mkIf top.scheduler.enable {
|
||||
kubeconfig = with cfg.certs.schedulerClient; {
|
||||
certFile = mkDefault cert;
|
||||
keyFile = mkDefault key;
|
||||
};
|
||||
};
|
||||
kubelet = mkIf top.kubelet.enable {
|
||||
clientCaFile = mkDefault cfg.certs.kubelet.caCert;
|
||||
tlsCertFile = mkDefault cfg.certs.kubelet.cert;
|
||||
tlsKeyFile = mkDefault cfg.certs.kubelet.key;
|
||||
kubeconfig = with cfg.certs.kubeletClient; {
|
||||
certFile = mkDefault cert;
|
||||
keyFile = mkDefault key;
|
||||
};
|
||||
};
|
||||
proxy = mkIf top.proxy.enable {
|
||||
kubeconfig = with cfg.certs.kubeProxyClient; {
|
||||
certFile = mkDefault cert;
|
||||
keyFile = mkDefault key;
|
||||
};
|
||||
};
|
||||
};
|
||||
});
|
||||
|
||||
meta.buildDocsInSandbox = false;
|
||||
}
|
||||
102
nixos/modules/services/cluster/kubernetes/proxy.nix
Normal file
102
nixos/modules/services/cluster/kubernetes/proxy.nix
Normal file
|
|
@ -0,0 +1,102 @@
|
|||
{ config, lib, options, pkgs, ... }:
|
||||
|
||||
with lib;
|
||||
|
||||
let
|
||||
top = config.services.kubernetes;
|
||||
otop = options.services.kubernetes;
|
||||
cfg = top.proxy;
|
||||
in
|
||||
{
|
||||
imports = [
|
||||
(mkRenamedOptionModule [ "services" "kubernetes" "proxy" "address" ] ["services" "kubernetes" "proxy" "bindAddress"])
|
||||
];
|
||||
|
||||
###### interface
|
||||
options.services.kubernetes.proxy = with lib.types; {
|
||||
|
||||
bindAddress = mkOption {
|
||||
description = "Kubernetes proxy listening address.";
|
||||
default = "0.0.0.0";
|
||||
type = str;
|
||||
};
|
||||
|
||||
enable = mkEnableOption "Kubernetes proxy";
|
||||
|
||||
extraOpts = mkOption {
|
||||
description = "Kubernetes proxy extra command line options.";
|
||||
default = "";
|
||||
type = separatedString " ";
|
||||
};
|
||||
|
||||
featureGates = mkOption {
|
||||
description = "List set of feature gates";
|
||||
default = top.featureGates;
|
||||
defaultText = literalExpression "config.${otop.featureGates}";
|
||||
type = listOf str;
|
||||
};
|
||||
|
||||
hostname = mkOption {
|
||||
description = "Kubernetes proxy hostname override.";
|
||||
default = config.networking.hostName;
|
||||
defaultText = literalExpression "config.networking.hostName";
|
||||
type = str;
|
||||
};
|
||||
|
||||
kubeconfig = top.lib.mkKubeConfigOptions "Kubernetes proxy";
|
||||
|
||||
verbosity = mkOption {
|
||||
description = ''
|
||||
Optional glog verbosity level for logging statements. See
|
||||
<link xlink:href="https://github.com/kubernetes/community/blob/master/contributors/devel/logging.md"/>
|
||||
'';
|
||||
default = null;
|
||||
type = nullOr int;
|
||||
};
|
||||
|
||||
};
|
||||
|
||||
###### implementation
|
||||
config = mkIf cfg.enable {
|
||||
systemd.services.kube-proxy = {
|
||||
description = "Kubernetes Proxy Service";
|
||||
wantedBy = [ "kubernetes.target" ];
|
||||
after = [ "kube-apiserver.service" ];
|
||||
path = with pkgs; [ iptables conntrack-tools ];
|
||||
serviceConfig = {
|
||||
Slice = "kubernetes.slice";
|
||||
ExecStart = ''${top.package}/bin/kube-proxy \
|
||||
--bind-address=${cfg.bindAddress} \
|
||||
${optionalString (top.clusterCidr!=null)
|
||||
"--cluster-cidr=${top.clusterCidr}"} \
|
||||
${optionalString (cfg.featureGates != [])
|
||||
"--feature-gates=${concatMapStringsSep "," (feature: "${feature}=true") cfg.featureGates}"} \
|
||||
--hostname-override=${cfg.hostname} \
|
||||
--kubeconfig=${top.lib.mkKubeConfig "kube-proxy" cfg.kubeconfig} \
|
||||
${optionalString (cfg.verbosity != null) "--v=${toString cfg.verbosity}"} \
|
||||
${cfg.extraOpts}
|
||||
'';
|
||||
WorkingDirectory = top.dataDir;
|
||||
Restart = "on-failure";
|
||||
RestartSec = 5;
|
||||
};
|
||||
unitConfig = {
|
||||
StartLimitIntervalSec = 0;
|
||||
};
|
||||
};
|
||||
|
||||
services.kubernetes.proxy.hostname = with config.networking; mkDefault hostName;
|
||||
|
||||
services.kubernetes.pki.certs = {
|
||||
kubeProxyClient = top.lib.mkCert {
|
||||
name = "kube-proxy-client";
|
||||
CN = "system:kube-proxy";
|
||||
action = "systemctl restart kube-proxy.service";
|
||||
};
|
||||
};
|
||||
|
||||
services.kubernetes.proxy.kubeconfig.server = mkDefault top.apiserverAddress;
|
||||
};
|
||||
|
||||
meta.buildDocsInSandbox = false;
|
||||
}
|
||||
101
nixos/modules/services/cluster/kubernetes/scheduler.nix
Normal file
101
nixos/modules/services/cluster/kubernetes/scheduler.nix
Normal file
|
|
@ -0,0 +1,101 @@
|
|||
{ config, lib, options, pkgs, ... }:
|
||||
|
||||
with lib;
|
||||
|
||||
let
|
||||
top = config.services.kubernetes;
|
||||
otop = options.services.kubernetes;
|
||||
cfg = top.scheduler;
|
||||
in
|
||||
{
|
||||
###### interface
|
||||
options.services.kubernetes.scheduler = with lib.types; {
|
||||
|
||||
address = mkOption {
|
||||
description = "Kubernetes scheduler listening address.";
|
||||
default = "127.0.0.1";
|
||||
type = str;
|
||||
};
|
||||
|
||||
enable = mkEnableOption "Kubernetes scheduler";
|
||||
|
||||
extraOpts = mkOption {
|
||||
description = "Kubernetes scheduler extra command line options.";
|
||||
default = "";
|
||||
type = separatedString " ";
|
||||
};
|
||||
|
||||
featureGates = mkOption {
|
||||
description = "List set of feature gates";
|
||||
default = top.featureGates;
|
||||
defaultText = literalExpression "config.${otop.featureGates}";
|
||||
type = listOf str;
|
||||
};
|
||||
|
||||
kubeconfig = top.lib.mkKubeConfigOptions "Kubernetes scheduler";
|
||||
|
||||
leaderElect = mkOption {
|
||||
description = "Whether to start leader election before executing main loop.";
|
||||
type = bool;
|
||||
default = true;
|
||||
};
|
||||
|
||||
port = mkOption {
|
||||
description = "Kubernetes scheduler listening port.";
|
||||
default = 10251;
|
||||
type = int;
|
||||
};
|
||||
|
||||
verbosity = mkOption {
|
||||
description = ''
|
||||
Optional glog verbosity level for logging statements. See
|
||||
<link xlink:href="https://github.com/kubernetes/community/blob/master/contributors/devel/logging.md"/>
|
||||
'';
|
||||
default = null;
|
||||
type = nullOr int;
|
||||
};
|
||||
|
||||
};
|
||||
|
||||
###### implementation
|
||||
config = mkIf cfg.enable {
|
||||
systemd.services.kube-scheduler = {
|
||||
description = "Kubernetes Scheduler Service";
|
||||
wantedBy = [ "kubernetes.target" ];
|
||||
after = [ "kube-apiserver.service" ];
|
||||
serviceConfig = {
|
||||
Slice = "kubernetes.slice";
|
||||
ExecStart = ''${top.package}/bin/kube-scheduler \
|
||||
--bind-address=${cfg.address} \
|
||||
${optionalString (cfg.featureGates != [])
|
||||
"--feature-gates=${concatMapStringsSep "," (feature: "${feature}=true") cfg.featureGates}"} \
|
||||
--kubeconfig=${top.lib.mkKubeConfig "kube-scheduler" cfg.kubeconfig} \
|
||||
--leader-elect=${boolToString cfg.leaderElect} \
|
||||
--secure-port=${toString cfg.port} \
|
||||
${optionalString (cfg.verbosity != null) "--v=${toString cfg.verbosity}"} \
|
||||
${cfg.extraOpts}
|
||||
'';
|
||||
WorkingDirectory = top.dataDir;
|
||||
User = "kubernetes";
|
||||
Group = "kubernetes";
|
||||
Restart = "on-failure";
|
||||
RestartSec = 5;
|
||||
};
|
||||
unitConfig = {
|
||||
StartLimitIntervalSec = 0;
|
||||
};
|
||||
};
|
||||
|
||||
services.kubernetes.pki.certs = {
|
||||
schedulerClient = top.lib.mkCert {
|
||||
name = "kube-scheduler-client";
|
||||
CN = "system:kube-scheduler";
|
||||
action = "systemctl restart kube-scheduler.service";
|
||||
};
|
||||
};
|
||||
|
||||
services.kubernetes.scheduler.kubeconfig.server = mkDefault top.apiserverAddress;
|
||||
};
|
||||
|
||||
meta.buildDocsInSandbox = false;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue