Initial push

internal/dkr/inventory_live_test.go

@@ -0,0 +1,49 @@
+package dkr
+
+import (
+	"context"
+	"encoding/json"
+	"os"
+	"testing"
+	"time"
+
+	"github.com/arescom/docker-migrate/internal/spec"
+)
+
+// TestLiveInventory is a smoke test against whatever daemon the environment
+// points at. It is skipped unless DOCKER_MIGRATE_LIVE_TEST is set, because it
+// needs a real Docker host.
+func TestLiveInventory(t *testing.T) {
+	if os.Getenv("DOCKER_MIGRATE_LIVE_TEST") == "" {
+		t.Skip("set DOCKER_MIGRATE_LIVE_TEST=1 to run against the local daemon")
+	}
+	c, err := New("")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer c.Close()
+
+	ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
+	defer cancel()
+
+	inv, err := c.Inventory(ctx)
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Logf("host=%s docker=%s containers=%d volumes=%d networks=%d warnings=%v",
+		inv.Host, inv.DockerVersion, len(inv.Containers), len(inv.Volumes), len(inv.Networks), inv.Warnings)
+
+	for i := range inv.Containers {
+		ct := &inv.Containers[i]
+		args := ct.CreateArgs(spec.RenderOptions{})
+		t.Logf("%s [%s] -> docker %s", ct.Name, ct.State, spec.ShellQuoteAll(args))
+		for _, m := range ct.DataMounts() {
+			t.Logf("    mount %-8s %-40s restore-into %s", m.Kind, m.Destination, RestorePath(m.Destination))
+		}
+		for _, w := range ct.Warnings {
+			t.Logf("    warn: %s", w)
+		}
+	}
+	b, _ := json.MarshalIndent(inv, "", "  ")
+	t.Logf("inventory bytes: %d", len(b))
+}