158 lines
4.4 KiB
Go
158 lines
4.4 KiB
Go
// Copyright 2020 the Pinniped contributors. All Rights Reserved.
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
package supervisorconfig
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
|
|
"go.pinniped.dev/internal/multierror"
|
|
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/labels"
|
|
"k8s.io/apimachinery/pkg/util/clock"
|
|
"k8s.io/client-go/util/retry"
|
|
"k8s.io/klog/v2"
|
|
|
|
configv1alpha1 "go.pinniped.dev/generated/1.19/apis/config/v1alpha1"
|
|
pinnipedclientset "go.pinniped.dev/generated/1.19/client/clientset/versioned"
|
|
configinformers "go.pinniped.dev/generated/1.19/client/informers/externalversions/config/v1alpha1"
|
|
pinnipedcontroller "go.pinniped.dev/internal/controller"
|
|
"go.pinniped.dev/internal/controllerlib"
|
|
"go.pinniped.dev/internal/oidc/provider"
|
|
)
|
|
|
|
// ProvidersSetter can be notified of all known valid providers with its SetIssuer function.
|
|
// If there are no longer any valid issuers, then it can be called with no arguments.
|
|
// Implementations of this type should be thread-safe to support calls from multiple goroutines.
|
|
type ProvidersSetter interface {
|
|
SetProviders(oidcProviders ...*provider.OIDCProvider)
|
|
}
|
|
|
|
type oidcProviderConfigWatcherController struct {
|
|
providerSetter ProvidersSetter
|
|
clock clock.Clock
|
|
client pinnipedclientset.Interface
|
|
opcInformer configinformers.OIDCProviderConfigInformer
|
|
}
|
|
|
|
// NewOIDCProviderConfigWatcherController creates a controllerlib.Controller that watches
|
|
// OIDCProviderConfig objects and notifies a callback object of the collection of provider configs.
|
|
func NewOIDCProviderConfigWatcherController(
|
|
providerSetter ProvidersSetter,
|
|
clock clock.Clock,
|
|
client pinnipedclientset.Interface,
|
|
opcInformer configinformers.OIDCProviderConfigInformer,
|
|
withInformer pinnipedcontroller.WithInformerOptionFunc,
|
|
) controllerlib.Controller {
|
|
return controllerlib.New(
|
|
controllerlib.Config{
|
|
Name: "OIDCProviderConfigWatcherController",
|
|
Syncer: &oidcProviderConfigWatcherController{
|
|
providerSetter: providerSetter,
|
|
clock: clock,
|
|
client: client,
|
|
opcInformer: opcInformer,
|
|
},
|
|
},
|
|
withInformer(
|
|
opcInformer,
|
|
pinnipedcontroller.NoOpFilter(),
|
|
controllerlib.InformerOption{},
|
|
),
|
|
)
|
|
}
|
|
|
|
// Sync implements controllerlib.Syncer.
|
|
func (c *oidcProviderConfigWatcherController) Sync(ctx controllerlib.Context) error {
|
|
all, err := c.opcInformer.Lister().List(labels.Everything())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
issuerCounts := make(map[string]int)
|
|
for _, opc := range all {
|
|
issuerCounts[opc.Spec.Issuer]++
|
|
}
|
|
|
|
errs := multierror.New()
|
|
|
|
oidcProviders := make([]*provider.OIDCProvider, 0)
|
|
for _, opc := range all {
|
|
if issuerCount := issuerCounts[opc.Spec.Issuer]; issuerCount > 1 {
|
|
if err := c.updateStatus(
|
|
ctx.Context,
|
|
opc.Namespace,
|
|
opc.Name,
|
|
configv1alpha1.DuplicateOIDCProviderStatus,
|
|
"Duplicate issuer",
|
|
); err != nil {
|
|
errs.Add(fmt.Errorf("could not update status: %w", err))
|
|
}
|
|
continue
|
|
}
|
|
|
|
oidcProvider, err := provider.NewOIDCProvider(opc.Spec.Issuer)
|
|
if err != nil {
|
|
if err := c.updateStatus(
|
|
ctx.Context,
|
|
opc.Namespace,
|
|
opc.Name,
|
|
configv1alpha1.InvalidOIDCProviderStatus,
|
|
"Invalid: "+err.Error(),
|
|
); err != nil {
|
|
errs.Add(fmt.Errorf("could not update status: %w", err))
|
|
}
|
|
continue
|
|
}
|
|
|
|
oidcProviders = append(oidcProviders, oidcProvider)
|
|
if err := c.updateStatus(
|
|
ctx.Context,
|
|
opc.Namespace,
|
|
opc.Name,
|
|
configv1alpha1.SuccessOIDCProviderStatus,
|
|
"Provider successfully created",
|
|
); err != nil {
|
|
errs.Add(fmt.Errorf("could not update status: %w", err))
|
|
}
|
|
}
|
|
|
|
c.providerSetter.SetProviders(oidcProviders...)
|
|
|
|
return errs.ErrOrNil()
|
|
}
|
|
|
|
func (c *oidcProviderConfigWatcherController) updateStatus(
|
|
ctx context.Context,
|
|
namespace, name string,
|
|
status configv1alpha1.OIDCProviderStatus,
|
|
message string,
|
|
) error {
|
|
return retry.RetryOnConflict(retry.DefaultRetry, func() error {
|
|
opc, err := c.client.ConfigV1alpha1().OIDCProviderConfigs(namespace).Get(ctx, name, metav1.GetOptions{})
|
|
if err != nil {
|
|
return fmt.Errorf("get failed: %w", err)
|
|
}
|
|
|
|
if opc.Status.Status == status && opc.Status.Message == message {
|
|
return nil
|
|
}
|
|
|
|
klog.InfoS(
|
|
"attempting status update",
|
|
"openidproviderconfig",
|
|
klog.KRef(namespace, name),
|
|
"status",
|
|
status,
|
|
"message",
|
|
message,
|
|
)
|
|
opc.Status.Status = status
|
|
opc.Status.Message = message
|
|
_, err = c.client.ConfigV1alpha1().OIDCProviderConfigs(namespace).Update(ctx, opc, metav1.UpdateOptions{})
|
|
return err
|
|
})
|
|
}
|