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registry_serve.go
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registry_serve.go
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/***************************************************************
*
* Copyright (C) 2024, Pelican Project, Morgridge Institute for Research
*
* Licensed under the Apache License, Version 2.0 (the "License"); you
* may not use this file except in compliance with the License. You may
* obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
***************************************************************/
package launchers
import (
"context"
"github.com/gin-gonic/gin"
"github.com/pkg/errors"
log "github.com/sirupsen/logrus"
"golang.org/x/sync/errgroup"
"github.com/pelicanplatform/pelican/config"
"github.com/pelicanplatform/pelican/metrics"
"github.com/pelicanplatform/pelican/param"
"github.com/pelicanplatform/pelican/registry"
)
func RegistryServe(ctx context.Context, engine *gin.Engine, egrp *errgroup.Group) error {
log.Info("Initializing the namespace registry's database...")
// Initialize the registry's sqlite database
err := registry.InitializeDB(ctx)
if err != nil {
return errors.Wrap(err, "Unable to initialize the namespace registry database")
}
if param.Server_EnableUI.GetBool() {
registry.InitOptionsCache(ctx, egrp)
if err = registry.InitCustomRegistrationFields(); err != nil {
return err
}
if err := registry.InitInstConfig(ctx, egrp); err != nil {
return err
}
}
if config.GetPreferredPrefix() == config.OsdfPrefix {
metrics.SetComponentHealthStatus(metrics.DirectorRegistry_Topology, metrics.StatusWarning, "Start requesting from topology, status unknown")
log.Info("Populating registry with namespaces from OSG topology service...")
if err := registry.PopulateTopology(); err != nil {
panic(errors.Wrap(err, "Unable to populate topology table"))
}
// Checks topology for updates every 10 minutes
go registry.PeriodicTopologyReload()
}
rootRouterGroup := engine.Group("/")
// Register routes for server/Pelican client facing APIs
registry.RegisterRegistryAPI(rootRouterGroup)
// Register routes for APIs to registry Web UI
if err := registry.RegisterRegistryWebAPI(rootRouterGroup); err != nil {
return err
}
egrp.Go(func() error {
<-ctx.Done()
return registry.ShutdownDB()
})
return nil
}