buildkit/util/leaseutil/manager.go

76 lines
2.1 KiB
Go

package leaseutil
import (
"context"
"time"
"github.com/containerd/containerd/leases"
"github.com/containerd/containerd/namespaces"
)
func WithLease(ctx context.Context, ls leases.Manager, opts ...leases.Opt) (context.Context, func(context.Context) error, error) {
_, ok := leases.FromContext(ctx)
if ok {
return ctx, func(context.Context) error {
return nil
}, nil
}
l, err := ls.Create(ctx, append([]leases.Opt{leases.WithRandomID(), leases.WithExpiration(time.Hour)}, opts...)...)
if err != nil {
return nil, nil, err
}
ctx = leases.WithLease(ctx, l.ID)
return ctx, func(ctx context.Context) error {
return ls.Delete(ctx, l)
}, nil
}
func MakeTemporary(l *leases.Lease) error {
if l.Labels == nil {
l.Labels = map[string]string{}
}
l.Labels["buildkit/lease.temporary"] = time.Now().UTC().Format(time.RFC3339Nano)
return nil
}
func WithNamespace(lm leases.Manager, ns string) leases.Manager {
return &nsLM{manager: lm, ns: ns}
}
type nsLM struct {
manager leases.Manager
ns string
}
func (l *nsLM) Create(ctx context.Context, opts ...leases.Opt) (leases.Lease, error) {
ctx = namespaces.WithNamespace(ctx, l.ns)
return l.manager.Create(ctx, opts...)
}
func (l *nsLM) Delete(ctx context.Context, lease leases.Lease, opts ...leases.DeleteOpt) error {
ctx = namespaces.WithNamespace(ctx, l.ns)
return l.manager.Delete(ctx, lease, opts...)
}
func (l *nsLM) List(ctx context.Context, filters ...string) ([]leases.Lease, error) {
ctx = namespaces.WithNamespace(ctx, l.ns)
return l.manager.List(ctx, filters...)
}
func (l *nsLM) AddResource(ctx context.Context, lease leases.Lease, resource leases.Resource) error {
ctx = namespaces.WithNamespace(ctx, l.ns)
return l.manager.AddResource(ctx, lease, resource)
}
func (l *nsLM) DeleteResource(ctx context.Context, lease leases.Lease, resource leases.Resource) error {
ctx = namespaces.WithNamespace(ctx, l.ns)
return l.manager.DeleteResource(ctx, lease, resource)
}
func (l *nsLM) ListResources(ctx context.Context, lease leases.Lease) ([]leases.Resource, error) {
ctx = namespaces.WithNamespace(ctx, l.ns)
return l.manager.ListResources(ctx, lease)
}