fix: select containers if we find multiple

pkg/container/container.go

@@ -0,0 +1,70 @@
+package container
+
+import (
+	"context"
+	"fmt"
+	"strings"
+
+	abraFormatter "coopcloud.tech/abra/cli/formatter"
+	"github.com/AlecAivazis/survey/v2"
+	"github.com/docker/docker/api/types"
+	"github.com/docker/docker/api/types/filters"
+	"github.com/docker/docker/client"
+	"github.com/sirupsen/logrus"
+)
+
+// GetContainer retrieves a container. If prompt is true and the retrievd count
+// of containers does not match expectedN, then a prompt is presented to let
+// the user choose.
+func GetContainer(c context.Context, cl *client.Client, filters filters.Args, prompt bool) (types.Container, error) {
+	containerOpts := types.ContainerListOptions{Filters: filters}
+	containers, err := cl.ContainerList(c, containerOpts)
+	if err != nil {
+		return types.Container{}, err
+	}
+
+	if len(containers) == 0 {
+		filter := filters.Get("name")[0]
+		return types.Container{}, fmt.Errorf("no containers matching the %v filter found?", filter)
+	}
+
+	if len(containers) != 1 {
+		var containersRaw []string
+		for _, container := range containers {
+			containerName := strings.Join(container.Names, " ")
+			trimmed := strings.TrimPrefix(containerName, "/")
+			created := abraFormatter.HumanDuration(container.Created)
+			containersRaw = append(containersRaw, fmt.Sprintf("%s (created %v)", trimmed, created))
+		}
+
+		if !prompt {
+			err := fmt.Errorf("expected 1 container but found %v: %s", len(containers), strings.Join(containersRaw, " "))
+			return types.Container{}, err
+		}
+
+		logrus.Warnf("ambiguous container list received, prompting for input")
+
+		var response string
+		prompt := &survey.Select{
+			Message: "which container are you looking for?",
+			Options: containersRaw,
+		}
+
+		if err := survey.AskOne(prompt, &response); err != nil {
+			return types.Container{}, err
+		}
+
+		chosenContainer := strings.TrimSpace(strings.Split(response, " ")[0])
+		for _, container := range containers {
+			containerName := strings.TrimSpace(strings.Join(container.Names, " "))
+			trimmed := strings.TrimPrefix(containerName, "/")
+			if trimmed == chosenContainer {
+				return container, nil
+			}
+		}
+
+		logrus.Panic("failed to match chosen container")
+	}
+
+	return containers[0], nil
+}