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/*
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Copyright © 2020 The k3d Author(s)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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package containerd
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import (
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"context"
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"io"
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"time"
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"github.com/containerd/containerd"
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"github.com/containerd/containerd/containers"
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k3d "github.com/rancher/k3d/v3/pkg/types"
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log "github.com/sirupsen/logrus"
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)
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// CreateNode creates a new k3d node
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func (d Containerd) CreateNode(ctx context.Context, node *k3d.Node) error {
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// create containerd client
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clientOpts := []containerd.ClientOpt{
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containerd.WithDefaultNamespace("k3d"),
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}
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client, err := containerd.New("/run/containerd/containerd.sock", clientOpts...) // TODO: this is the default address on UNIX, different on Windows
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if err != nil {
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log.Errorln("Failed to create containerd client")
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return err
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}
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// create container
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newContainerOpts := []containerd.NewContainerOpts{
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func(ctx context.Context, _ *containerd.Client, c *containers.Container) error {
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c.Image = node.Image
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c.Labels = node.Labels
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return nil
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},
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}
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container, err := client.NewContainer(ctx, node.Name, newContainerOpts...)
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if err != nil {
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log.Errorln("Couldn't create container")
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return err
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}
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/*
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// start container
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task, err := container.NewTask(ctx, cio.NewCreator()) // TODO: how the hell does this work?
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if err != nil {
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log.Errorln("Failed to create task in container", container.ID)
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return err
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}
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task.Start(ctx)
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*/
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log.Infoln("Created container with ID", container.ID())
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return nil
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}
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// DeleteNode deletes an existing k3d node
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func (d Containerd) DeleteNode(ctx context.Context, node *k3d.Node) error {
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clientOpts := []containerd.ClientOpt{
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containerd.WithDefaultNamespace("k3d"),
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}
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client, err := containerd.New("/run/containerd/containerd.sock", clientOpts...) // TODO: this is the default address on UNIX, different on Windows
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if err != nil {
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log.Errorln("Failed to create containerd client")
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return err
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}
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container, err := client.LoadContainer(ctx, node.Name)
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if err != nil {
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log.Errorln("Couldn't load container", node.Name)
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return err
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}
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if err = container.Delete(ctx, []containerd.DeleteOpts{}...); err != nil {
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log.Errorf("Failed to delete container '%s'", container.ID)
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return err
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}
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return nil
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}
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// StartNode starts an existing node
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func (d Containerd) StartNode(ctx context.Context, node *k3d.Node) error {
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return nil // TODO: fill
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}
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// StopNode stops an existing node
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func (d Containerd) StopNode(ctx context.Context, node *k3d.Node) error {
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return nil // TODO: fill
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}
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func (d Containerd) GetNodesByLabel(ctx context.Context, labels map[string]string) ([]*k3d.Node, error) {
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return nil, nil
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}
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// GetNode tries to get a node container by its name
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func (d Containerd) GetNode(ctx context.Context, node *k3d.Node) (*k3d.Node, error) {
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return nil, nil
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}
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// GetNodeLogs returns the logs from a given node
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func (d Containerd) GetNodeLogs(ctx context.Context, node *k3d.Node, since time.Time) (io.ReadCloser, error) {
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return nil, nil
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}
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// ExecInNode execs a command inside a node
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func (d Containerd) ExecInNode(ctx context.Context, node *k3d.Node, cmd []string) error {
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return nil
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}
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