Andrey Smirnov d8c2bca1b5 feat: reimplement apid certificate generation on top of COSI
This PR can be split into two parts:

* controllers
* apid binding into COSI world

Controllers
-----------

* `k8s.EndpointController` provides control plane endpoints on worker
nodes (it isn't required for now on control plane nodes)
* `secrets.RootController` now provides OS top-level secrets (CA cert)
and secret configuration
* `secrets.APIController` generates API secrets (certificates) in a bit
different way for workers and control plane nodes: controlplane nodes
generate directly, while workers reach out to `trustd` on control plane
nodes via `k8s.Endpoint` resource

apid Binding
------------

Resource `secrets.API` provides binding to protobuf by converting
itself back and forth to protobuf spec.

apid no longer receives machine configuration, instead it receives
gRPC-backed socket to access Resource API. apid watches `secrets.API`
resource, fetches certs and CA from it and uses that in its TLS
configuration.

Signed-off-by: Andrey Smirnov <smirnov.andrey@gmail.com>
2021-06-23 13:07:00 -07:00

148 lines
3.6 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 secrets
import (
"fmt"
"net"
"net/url"
"github.com/cosi-project/runtime/pkg/resource"
"github.com/cosi-project/runtime/pkg/resource/meta"
"github.com/talos-systems/crypto/x509"
"inet.af/netaddr"
)
// RootType is type of Root secret resource.
const RootType = resource.Type("RootSecrets.secrets.talos.dev")
// IDs of various resources of RootType.
const (
RootOSID = resource.ID("os")
RootEtcdID = resource.ID("etcd")
RootKubernetesID = resource.ID("k8s")
)
// Root contains root (not generated) secrets.
type Root struct {
md resource.Metadata
spec interface{}
}
// RootOSSpec describes operating system CA.
type RootOSSpec struct {
CA *x509.PEMEncodedCertificateAndKey `yaml:"ca"`
CertSANIPs []netaddr.IP `yaml:"certSANIPs"`
CertSANDNSNames []string `yaml:"certSANDNSNames"`
Token string `yaml:"token"`
}
// RootEtcdSpec describes etcd CA secrets.
type RootEtcdSpec struct {
EtcdCA *x509.PEMEncodedCertificateAndKey `yaml:"etcdCA"`
}
// RootKubernetesSpec describes root Kubernetes secrets.
type RootKubernetesSpec struct {
Name string `yaml:"name"`
Endpoint *url.URL `yaml:"endpoint"`
CertSANs []string `yaml:"certSANs"`
APIServerIPs []net.IP `yaml:"apiServerIPs"`
DNSDomain string `yaml:"dnsDomain"`
CA *x509.PEMEncodedCertificateAndKey `yaml:"ca"`
ServiceAccount *x509.PEMEncodedKey `yaml:"serviceAccount"`
AggregatorCA *x509.PEMEncodedCertificateAndKey `yaml:"aggregatorCA"`
AESCBCEncryptionSecret string `yaml:"aesCBCEncryptionSecret"`
BootstrapTokenID string `yaml:"bootstrapTokenID"`
BootstrapTokenSecret string `yaml:"bootstrapTokenSecret"`
}
// NewRoot initializes a Root resource.
func NewRoot(id resource.ID) *Root {
r := &Root{
md: resource.NewMetadata(NamespaceName, RootType, id, resource.VersionUndefined),
}
switch id {
case RootOSID:
r.spec = &RootOSSpec{}
case RootEtcdID:
r.spec = &RootEtcdSpec{}
case RootKubernetesID:
r.spec = &RootKubernetesSpec{}
}
r.md.BumpVersion()
return r
}
// Metadata implements resource.Resource.
func (r *Root) Metadata() *resource.Metadata {
return &r.md
}
// Spec implements resource.Resource.
func (r *Root) Spec() interface{} {
return r.spec
}
func (r *Root) String() string {
return fmt.Sprintf("secrets.RootSecret(%q)", r.md.ID())
}
// DeepCopy implements resource.Resource.
func (r *Root) DeepCopy() resource.Resource {
var specCopy interface{}
switch v := r.spec.(type) {
case *RootOSSpec:
vv := *v
specCopy = &vv
case *RootEtcdSpec:
vv := *v
specCopy = &vv
case *RootKubernetesSpec:
vv := *v
specCopy = &vv
default:
panic("unexpected spec type")
}
return &Root{
md: r.md,
spec: specCopy,
}
}
// ResourceDefinition implements meta.ResourceDefinitionProvider interface.
func (r *Root) ResourceDefinition() meta.ResourceDefinitionSpec {
return meta.ResourceDefinitionSpec{
Type: RootType,
Aliases: []resource.Type{"rootSecret", "rootSecrets"},
DefaultNamespace: NamespaceName,
Sensitivity: meta.Sensitive,
}
}
// OSSpec returns .spec.
func (r *Root) OSSpec() *RootOSSpec {
return r.spec.(*RootOSSpec)
}
// EtcdSpec returns .spec.
func (r *Root) EtcdSpec() *RootEtcdSpec {
return r.spec.(*RootEtcdSpec)
}
// KubernetesSpec returns .spec.
func (r *Root) KubernetesSpec() *RootKubernetesSpec {
return r.spec.(*RootKubernetesSpec)
}