plugin-barman-cloud/internal/cnpgi/instance/manager.go
Leonardo Cecchi ea6ee30d2e
feat: sidecar injection and loading (#22)
Signed-off-by: Leonardo Cecchi <leonardo.cecchi@enterprisedb.com>
2024-10-02 13:21:04 +02:00

89 lines
2.3 KiB
Go

package instance
import (
"context"
"os"
"path"
cnpgv1 "github.com/cloudnative-pg/cloudnative-pg/api/v1"
"github.com/spf13/viper"
"k8s.io/apimachinery/pkg/fields"
"k8s.io/apimachinery/pkg/runtime"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/cache"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/log"
barmancloudv1 "github.com/cloudnative-pg/plugin-barman-cloud/api/v1"
)
var scheme = runtime.NewScheme()
func init() {
utilruntime.Must(barmancloudv1.AddToScheme(scheme))
utilruntime.Must(cnpgv1.AddToScheme(scheme))
}
// Start starts the sidecar informers and CNPG-i server
func Start(ctx context.Context) error {
setupLog := log.FromContext(ctx)
setupLog.Info("Starting barman cloud instance plugin")
namespace := viper.GetString("namespace")
boName := viper.GetString("barman-object-name")
clusterName := viper.GetString("cluster-name")
podName := viper.GetString("pod-name")
mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
Scheme: scheme,
Cache: cache.Options{
ByObject: map[client.Object]cache.ByObject{
&barmancloudv1.ObjectStore{}: {
Field: fields.OneTermEqualSelector("metadata.name", boName),
Namespaces: map[string]cache.Config{
namespace: {},
},
},
&cnpgv1.Cluster{}: {
Field: fields.OneTermEqualSelector("metadata.name", clusterName),
Namespaces: map[string]cache.Config{
namespace: {},
},
},
},
},
})
if err != nil {
setupLog.Error(err, "unable to start manager")
os.Exit(1)
}
if err := mgr.Add(&CNPGI{
Client: mgr.GetClient(),
ClusterObjectKey: client.ObjectKey{
Namespace: namespace,
Name: clusterName,
},
BarmanObjectKey: client.ObjectKey{
Namespace: namespace,
Name: boName,
},
InstanceName: podName,
// TODO: improve
PGDataPath: viper.GetString("pgdata"),
PGWALPath: path.Join(viper.GetString("pgdata"), "pg_wal"),
SpoolDirectory: viper.GetString("spool-directory"),
PluginPath: viper.GetString("plugin-path"),
}); err != nil {
setupLog.Error(err, "unable to create CNPGI runnable")
return err
}
if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil {
setupLog.Error(err, "problem running manager")
return err
}
return nil
}