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package providermain
import (
"context"
"errors"
"fmt"
"log/slog"
"github.com/johnandersen777/socialweb-computer-kcp/api/v1alpha1"
"github.com/johnandersen777/socialweb-computer-kcp/internal/clusterlink"
"github.com/johnandersen777/socialweb-computer-kcp/internal/clusterprovider"
"github.com/johnandersen777/socialweb-computer-kcp/internal/vault/openbao"
)
type clusterLinkClient interface {
WriteClusterLink(ctx context.Context, logicalCluster string, link v1alpha1.ClusterLink) error
WriteClusterLinkStatus(ctx context.Context, logicalCluster, name string, status v1alpha1.ClusterLinkStatus) (bool, error)
DeleteClusterLink(ctx context.Context, logicalCluster, name string) error
}
type linkRecorder struct {
client clusterLinkClient
registry clusterprovider.Clusters
}
var _ clusterprovider.LinkRecorder = linkRecorder{}
func (r linkRecorder) home(ctx context.Context, cluster string) (string, error) {
ref, err := nodeRefFor(ctx, r.registry, cluster)
if err != nil {
return "", err
}
if ref.Home == "" {
return "", fmt.Errorf("clusterprovider: the Cluster CR for %s was found with no home workspace, "+
"so its ClusterLinks have nowhere to be written", cluster)
}
return ref.Home, nil
}
func (r linkRecorder) WriteLink(ctx context.Context, link v1alpha1.ClusterLink) error {
home, err := r.home(ctx, link.Spec.ClusterRef.Name)
if err != nil {
return err
}
return r.client.WriteClusterLink(ctx, home, link)
}
func (r linkRecorder) WriteLinkStatus(ctx context.Context, cluster, name string, status v1alpha1.ClusterLinkStatus) error {
home, err := r.home(ctx, cluster)
if err != nil {
return err
}
_, err = r.client.WriteClusterLinkStatus(ctx, home, name, status)
return err
}
func (r linkRecorder) remove(ctx context.Context, home, cluster string) error {
var errs []error
for _, service := range clusterlink.Services {
if err := r.client.DeleteClusterLink(ctx, home, clusterlink.Name(cluster, service)); err != nil {
errs = append(errs, err)
}
}
return errors.Join(errs...)
}
func clusterLinks(cfg Config, client clusterLinkClient, registry clusterprovider.Clusters, logins *openbao.Logins, log *slog.Logger) *clusterprovider.Links {
if cfg.Dumbpipe == "" || cfg.ObserveOnly() || client == nil {
return nil
}
return &clusterprovider.Links{
Dumbpipe: cfg.Dumbpipe,
Recorder: linkRecorder{client: client, registry: registry},
Keys: clusterprovider.VaultLinkKeys(logins),
Log: log,
}
}
func (p *Provider) removeLinks(ctx context.Context, ref clusterprovider.Ref, key string) {
if p.links == nil {
return
}
if err := p.links.remove(ctx, ref.Home, key); err != nil {
p.log.Warn("cluster provider: removing the ClusterLinks of a deleted cluster did not complete",
"cluster", ref.Name, "key", key, "home", ref.Home, "error", err.Error(),
"keys", "left in the cluster's own vault at "+clusterlink.Mount+", which goes with its data")
return
}
p.log.Info("cluster provider: removed the ClusterLinks of a deleted cluster",
"cluster", ref.Name, "key", key, "home", ref.Home)
}
