mirror of
https://github.com/pomerium/pomerium.git
synced 2025-04-29 10:26:29 +02:00
97 lines
3.1 KiB
Go
97 lines
3.1 KiB
Go
package controlplane
|
|
|
|
import (
|
|
"context"
|
|
"encoding/hex"
|
|
"fmt"
|
|
|
|
envoy_service_discovery_v3 "github.com/envoyproxy/go-control-plane/envoy/service/discovery/v3"
|
|
"golang.org/x/sync/errgroup"
|
|
|
|
"github.com/pomerium/pomerium/internal/log"
|
|
"github.com/pomerium/pomerium/internal/telemetry/trace"
|
|
"github.com/pomerium/pomerium/pkg/cryptutil"
|
|
"github.com/pomerium/pomerium/pkg/protoutil"
|
|
)
|
|
|
|
const (
|
|
clusterTypeURL = "type.googleapis.com/envoy.config.cluster.v3.Cluster"
|
|
listenerTypeURL = "type.googleapis.com/envoy.config.listener.v3.Listener"
|
|
routeConfigurationTypeURL = "type.googleapis.com/envoy.config.route.v3.RouteConfiguration"
|
|
)
|
|
|
|
func (srv *Server) buildDiscoveryResources(ctx context.Context) (map[string][]*envoy_service_discovery_v3.Resource, error) {
|
|
ctx, span := trace.StartSpan(ctx, "controlplane.Server.buildDiscoveryResources")
|
|
defer span.End()
|
|
|
|
cfg := srv.currentConfig.Load()
|
|
|
|
log.Info(ctx).Msg("controlplane: building discovery resources")
|
|
|
|
eg, ctx := errgroup.WithContext(ctx)
|
|
|
|
var clusterResources []*envoy_service_discovery_v3.Resource
|
|
eg.Go(func() error {
|
|
clusters, err := srv.Builder.BuildClusters(ctx, cfg)
|
|
if err != nil {
|
|
return fmt.Errorf("error building clusters: %w", err)
|
|
}
|
|
for _, cluster := range clusters {
|
|
clusterResources = append(clusterResources, &envoy_service_discovery_v3.Resource{
|
|
Name: cluster.Name,
|
|
Version: hex.EncodeToString(cryptutil.HashProto(cluster)),
|
|
Resource: protoutil.NewAny(cluster),
|
|
})
|
|
}
|
|
return nil
|
|
})
|
|
|
|
var listenerResources []*envoy_service_discovery_v3.Resource
|
|
eg.Go(func() error {
|
|
listeners, err := srv.Builder.BuildListeners(ctx, cfg, false)
|
|
if err != nil {
|
|
return fmt.Errorf("error building listeners: %w", err)
|
|
}
|
|
for _, listener := range listeners {
|
|
listenerResources = append(listenerResources, &envoy_service_discovery_v3.Resource{
|
|
Name: listener.Name,
|
|
Version: hex.EncodeToString(cryptutil.HashProto(listener)),
|
|
Resource: protoutil.NewAny(listener),
|
|
})
|
|
}
|
|
return nil
|
|
})
|
|
|
|
var routeConfigurationResources []*envoy_service_discovery_v3.Resource
|
|
eg.Go(func() error {
|
|
routeConfigurations, err := srv.Builder.BuildRouteConfigurations(ctx, cfg)
|
|
if err != nil {
|
|
return fmt.Errorf("error building route configurations: %w", err)
|
|
}
|
|
for _, routeConfiguration := range routeConfigurations {
|
|
routeConfigurationResources = append(routeConfigurationResources, &envoy_service_discovery_v3.Resource{
|
|
Name: routeConfiguration.Name,
|
|
Version: hex.EncodeToString(cryptutil.HashProto(routeConfiguration)),
|
|
Resource: protoutil.NewAny(routeConfiguration),
|
|
})
|
|
}
|
|
return nil
|
|
})
|
|
|
|
err := eg.Wait()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
log.Info(ctx).
|
|
Int("cluster-count", len(clusterResources)).
|
|
Int("listener-count", len(listenerResources)).
|
|
Int("route-configuration-count", len(routeConfigurationResources)).
|
|
Msg("controlplane: built discovery resources")
|
|
|
|
return map[string][]*envoy_service_discovery_v3.Resource{
|
|
clusterTypeURL: clusterResources,
|
|
listenerTypeURL: listenerResources,
|
|
routeConfigurationTypeURL: routeConfigurationResources,
|
|
}, nil
|
|
}
|