[Bug]: Docker is required to build images error #63
Description
What happened?
Getting error:
ImageError Traceback (most recent call last)
Cell In[3], line 1
----> 1 vm = SmolVM()
File ~/Projects/celesto/SmolVM/src/smolvm/facade.py:159, in SmolVM.__init__(self, config, vm_id, data_dir, socket_dir, backend, mem_size_mib, disk_size_mib, ssh_user, ssh_key_path)
156 image_name = f"{image_name}-{resolved_disk_size_mib}m"
158 # This will download/build if needed (cached otherwise)
--> 159 kernel, rootfs = builder.build_alpine_ssh_key(
160 pub_key,
161 name=image_name,
162 rootfs_size_mb=resolved_disk_size_mib,
163 )
165 # 3. Create Config
166 # Use a unique ID to avoid conflicts with previous runs
167 auto_id = f"vm-{uuid.uuid4().hex[:8]}"
File ~/Projects/celesto/SmolVM/src/smolvm/build.py:242, in ImageBuilder.build_alpine_ssh_key(self, ssh_public_key, name, rootfs_size_mb, kernel_url)
230 """Build Alpine Linux image with key-only SSH access.
231
232 Args:
(...) 239 Tuple of (kernel_path, rootfs_path).
240 """
241 if not self.check_docker():
--> 242 raise ImageError(
...
245 )
247 key_value = self._resolve_public_key(ssh_public_key)
249 image_dir = self.cache_dir / name
ImageError: Docker is required to build images. Install Docker Desktop (macOS) or docker.io (Linux).
Steps to reproduce
from smolvm import SmolVM
vm = SmolVM()Expected behavior
It should run out of the box or if the docker desktop is not running then the error messaging should be clearer.