Files
uncloud/internal/cli/client/operation.go
T

105 lines
2.9 KiB
Go

package client
import (
"context"
"fmt"
"github.com/docker/docker/api/types/container"
"strings"
"uncloud/internal/api"
)
// Operation represents a single atomic operation in a deployment process.
// Operations can be composed to form complex deployment strategies.
type Operation interface {
Execute(ctx context.Context, cli *Client) error
String() string
}
// RunContainerOperation creates and starts a new container on a specific machine.
type RunContainerOperation struct {
ServiceID string
Spec api.ServiceSpec
MachineID string
}
func (o *RunContainerOperation) Execute(ctx context.Context, cli *Client) error {
resp, err := cli.CreateContainer(ctx, o.ServiceID, o.Spec, o.MachineID)
if err != nil {
return fmt.Errorf("create container: %w", err)
}
if err = cli.StartContainer(ctx, o.ServiceID, resp.ID); err != nil {
return fmt.Errorf("start container: %w", err)
}
// TODO: wait for the container to become healthy
return nil
}
func (o *RunContainerOperation) String() string {
return fmt.Sprintf("RunContainerOperation[%s, %s, %s]", o.ServiceID, o.Spec.Name, o.MachineID)
}
// StopContainerOperation stops a container on a specific machine.
type StopContainerOperation struct {
ServiceID string
ContainerID string
MachineID string
}
func (o *StopContainerOperation) Execute(ctx context.Context, cli *Client) error {
if err := cli.StopContainer(ctx, o.ServiceID, o.ContainerID, container.StopOptions{}); err != nil {
return fmt.Errorf("stop container: %w", err)
}
return nil
}
func (o *StopContainerOperation) String() string {
return fmt.Sprintf("StopContainerOperation[%s, %s, %s]", o.ServiceID, o.ContainerID, o.MachineID)
}
// RemoveContainerOperation stops and removes a container from a specific machine.
type RemoveContainerOperation struct {
ServiceID string
ContainerID string
MachineID string
}
func (o *RemoveContainerOperation) Execute(ctx context.Context, cli *Client) error {
if err := cli.StopContainer(ctx, o.ServiceID, o.ContainerID, container.StopOptions{}); err != nil {
return fmt.Errorf("stop container: %w", err)
}
if err := cli.RemoveContainer(ctx, o.ServiceID, o.ContainerID, container.RemoveOptions{}); err != nil {
return fmt.Errorf("remove container: %w", err)
}
return nil
}
func (o *RemoveContainerOperation) String() string {
return fmt.Sprintf("RemoveContainerOperation[%s, %s, %s]", o.ServiceID, o.ContainerID, o.MachineID)
}
// SequenceOperation is a composite operation that executes a sequence of operations in order.
type SequenceOperation struct {
Operations []Operation
}
func (o *SequenceOperation) Execute(ctx context.Context, cli *Client) error {
for _, op := range o.Operations {
if err := op.Execute(ctx, cli); err != nil {
return err
}
}
return nil
}
func (o *SequenceOperation) String() string {
ops := make([]string, len(o.Operations))
for i, op := range o.Operations {
ops[i] = op.String()
}
return fmt.Sprintf("SequenceOperation[%s]", strings.Join(ops, ", "))
}