refactor: create functions in client for removing and listing volumes

client/volumes.go

@@ -0,0 +1,51 @@
+package client
+
+import (
+	"context"
+
+	"github.com/docker/docker/api/types"
+	"github.com/docker/docker/api/types/filters"
+	"github.com/sirupsen/logrus"
+)
+
+func GetVolumes(ctx context.Context, server string, appName string) ([]*types.Volume, error) {
+
+	cl, err := NewClientWithContext(server)
+	if err != nil {
+		return nil, err
+	}
+
+	fs := filters.NewArgs()
+	fs.Add("name", appName)
+
+	volumeListOKBody, err := cl.VolumeList(ctx, fs)
+	volumeList := volumeListOKBody.Volumes
+	if err != nil {
+		logrus.Fatal(err)
+	}
+
+	return volumeList, nil
+}
+
+func GetVolumeNames(volumes []*types.Volume) []string {
+	var volumeNames []string
+	for _, vol := range volumes {
+		volumeNames = append(volumeNames, vol.Name)
+	}
+	return volumeNames
+}
+
+func RemoveVolumes(ctx context.Context, server string, volumeNames []string, force bool) error {
+	cl, err := NewClientWithContext(server)
+	if err != nil {
+		return err
+	}
+	for _, volName := range volumeNames {
+		err := cl.VolumeRemove(ctx, volName, force)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+
+}