Andrey Smirnov d2fd7c2170
feat: make kubelet service apply changes immediately
The gist is that `kubelet` service code only manages the container
lifecycle, while `kubelet` configuration is managed now in the
controllers and resources.

New resources:

* `secrets.Kubelet` contains Kubelet PKI derived directly from the
machine configuration
* `k8s.KubeletConfig` contains Kubelet non-secret config derived
directly from the machine configuration
* `k8s.NodeIPConfig` contains configuration on picking up Node IP for
the kubelet (from machine configuration)
* `k8s.NodeIP` contains actual Node IPs picked from the node addresses
based on `NodeIPConfig`
* `k8s.KubeletSpec` contains final `kubelet` container configuration,
including merged arguments, KubeletConfig, etc. It is derived from
`KubeletConfig`, `Nodename` and `NodeIP`.

Final controller `KubeletServiceController` writes down configuration
and PKI to disk, and manages restart/start of the `kubelet` service
which is a pure wrapper around container lifecycle.

Signed-off-by: Andrey Smirnov <andrey.smirnov@talos-systems.com>
2021-12-03 23:02:49 +03:00

43 lines
1.1 KiB
Go

// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
package k8s_test
import (
"context"
"testing"
"github.com/cosi-project/runtime/pkg/resource"
"github.com/cosi-project/runtime/pkg/state"
"github.com/cosi-project/runtime/pkg/state/impl/inmem"
"github.com/cosi-project/runtime/pkg/state/impl/namespaced"
"github.com/cosi-project/runtime/pkg/state/registry"
"github.com/stretchr/testify/assert"
"github.com/talos-systems/talos/pkg/machinery/resources/k8s"
)
func TestRegisterResource(t *testing.T) {
ctx := context.TODO()
resources := state.WrapCore(namespaced.NewState(inmem.Build))
resourceRegistry := registry.NewResourceRegistry(resources)
for _, resource := range []resource.Resource{
&k8s.Endpoint{},
&k8s.KubeletConfig{},
&k8s.KubeletSpec{},
&k8s.ManifestStatus{},
&k8s.Manifest{},
&k8s.Nodename{},
&k8s.NodeIP{},
&k8s.NodeIPConfig{},
&k8s.SecretsStatus{},
&k8s.StaticPodStatus{},
&k8s.StaticPod{},
} {
assert.NoError(t, resourceRegistry.Register(ctx, resource))
}
}