feat: list containers

internal/agent/service/docker_service/docker.go

@@ -0,0 +1,31 @@
+package docker_service
+
+import (
+	"context"
+
+	"github.com/moby/moby/api/types"
+	"github.com/moby/moby/api/types/container"
+)
+
+type dockerAPI interface {
+	Ping(ctx context.Context) (types.Ping, error)
+	ContainerList(ctx context.Context, opts container.ListOptions) ([]container.Summary, error)
+}
+
+type DockerService struct {
+	dockerClient dockerAPI
+}
+
+func NewDockerService(api dockerAPI) *DockerService {
+	return &DockerService{dockerClient: api}
+}
+
+func (d *DockerService) CheckDockerDaemon(ctx context.Context) error {
+	_, err := d.dockerClient.Ping(ctx)
+	return err
+}
+
+func (d *DockerService) ContainersList(ctx context.Context) ([]container.Summary, error) {
+	ContainersList, err := d.dockerClient.ContainerList(ctx, container.ListOptions{})
+	return ContainersList, err
+}