b61988670c
Changes: https://github.com/containerd/typeurl/compare/7f6e6d160d67...v2.1.0 Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
117 lines
3.3 KiB
Go
117 lines
3.3 KiB
Go
/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package sandbox
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import (
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"context"
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"fmt"
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"time"
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"github.com/containerd/containerd/errdefs"
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"github.com/containerd/typeurl/v2"
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)
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// Sandbox is an object stored in metadata database
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type Sandbox struct {
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// ID uniquely identifies the sandbox in a namespace
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ID string
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// Labels provide metadata extension for a sandbox
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Labels map[string]string
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// Runtime shim to use for this sandbox
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Runtime RuntimeOpts
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// Spec carries the runtime specification used to implement the sandbox
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Spec typeurl.Any
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// CreatedAt is the time at which the sandbox was created
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CreatedAt time.Time
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// UpdatedAt is the time at which the sandbox was updated
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UpdatedAt time.Time
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// Extensions stores client-specified metadata
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Extensions map[string]typeurl.Any
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}
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// RuntimeOpts holds runtime specific information
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type RuntimeOpts struct {
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Name string
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Options typeurl.Any
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}
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// Store is a storage interface for sandbox metadata objects
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type Store interface {
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// Create a sandbox record in the store
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Create(ctx context.Context, sandbox Sandbox) (Sandbox, error)
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// Update the sandbox with the provided sandbox object and fields
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Update(ctx context.Context, sandbox Sandbox, fieldpaths ...string) (Sandbox, error)
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// Get sandbox metadata using the id
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Get(ctx context.Context, id string) (Sandbox, error)
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// List returns sandboxes that match one or more of the provided filters
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List(ctx context.Context, filters ...string) ([]Sandbox, error)
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// Delete a sandbox from metadata store using the id
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Delete(ctx context.Context, id string) error
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}
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// AddExtension is a helper function to add sandbox metadata extension.
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func (s *Sandbox) AddExtension(name string, obj interface{}) error {
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if s.Extensions == nil {
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s.Extensions = map[string]typeurl.Any{}
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}
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out, err := typeurl.MarshalAny(obj)
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if err != nil {
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return fmt.Errorf("failed to marshal sandbox extension %q: %w", name, err)
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}
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s.Extensions[name] = out
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return nil
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}
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// AddLabel adds a label to sandbox's labels.
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func (s *Sandbox) AddLabel(name string, value string) {
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if s.Labels == nil {
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s.Labels = map[string]string{}
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}
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s.Labels[name] = value
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}
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// GetExtension retrieves a sandbox extension by name.
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func (s *Sandbox) GetExtension(name string, obj interface{}) error {
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out, ok := s.Extensions[name]
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if !ok {
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return errdefs.ErrNotFound
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}
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if err := typeurl.UnmarshalTo(out, obj); err != nil {
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return fmt.Errorf("failed to unmarshal sandbox extension %q: %w", name, err)
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}
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return nil
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}
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// GetLabel retrieves a sandbox label by name.
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func (s *Sandbox) GetLabel(name string) (string, error) {
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out, ok := s.Labels[name]
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if !ok {
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return "", fmt.Errorf("unable to find label %q in sandbox metadata: %w", name, errdefs.ErrNotFound)
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}
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return out, nil
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}
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