mirror of
https://github.com/GNS3/gns3-server
synced 2024-12-23 23:38:21 +00:00
Resolve conflicts in docker volumes instead of error. Fixes https://github.com/GNS3/gns3-server/issues/1595
This commit is contained in:
Karim
parent
9cce4de190
commit
af78031322
@ -248,27 +248,32 @@ class DockerVM(BaseNode):
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# We mount our own etc/network
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try:
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network_config = self._create_network_config()
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self._create_network_config()
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except OSError as e:
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raise DockerError("Could not create network config in the container: {}".format(e))
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binds.append("{}:/gns3volumes/etc/network:rw".format(network_config))
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volumes = ["/etc/network"]
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self._volumes = ["/etc/network"]
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volumes = list((image_info.get("Config", {}).get("Volumes") or {}).keys())
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volumes.extend((image_info.get("Config", {}).get("Volumes") or {}).keys())
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for volume in self._extra_volumes:
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if not volume.strip() or volume[0] != "/" or volume.find("..") >= 0:
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raise DockerError("Persistent volume '{}' has invalid format. It must start with a '/' and not contain '..'.".format(volume))
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volumes.extend(self._extra_volumes)
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self._volumes = []
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# define lambdas for validation checks
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nf = lambda x: re.sub(r"//+", "/", (x if x.endswith("/") else x + "/"))
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incompatible = lambda v1, v2: nf(v1).startswith(nf(v2)) or nf(v2).startswith(nf(v1))
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generalises = lambda v1, v2: nf(v2).startswith(nf(v1))
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for volume in volumes:
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if [ v for v in self._volumes if incompatible(v, volume) ] :
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raise DockerError("Duplicate persistent volume {} detected.\n\nVolumes specified in docker image as well as user specified persistent volumes must be unique.".format(volume))
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# remove any mount that is equal or more specific, then append this one
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self._volumes = list(filter(lambda v: not generalises(volume, v), self._volumes))
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# if there is nothing more general, append this mount
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if not [ v for v in self._volumes if generalises(v, volume) ] :
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self._volumes.append(volume)
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for volume in self._volumes:
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source = os.path.join(self.working_dir, os.path.relpath(volume, "/"))
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os.makedirs(source, exist_ok=True)
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binds.append("{}:/gns3volumes{}".format(source, volume))
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self._volumes.append(volume)
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return binds
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@ -99,7 +99,7 @@ def test_create(loop, project, manager):
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"CapAdd": ["ALL"],
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"Binds": [
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"{}:/gns3:ro".format(get_resource("compute/docker/resources")),
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"{}:/gns3volumes/etc/network:rw".format(os.path.join(vm.working_dir, "etc", "network"))
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"{}:/gns3volumes/etc/network".format(os.path.join(vm.working_dir, "etc", "network"))
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],
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"Privileged": True
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},
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@ -138,7 +138,7 @@ def test_create_with_tag(loop, project, manager):
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"CapAdd": ["ALL"],
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"Binds": [
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"{}:/gns3:ro".format(get_resource("compute/docker/resources")),
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"{}:/gns3volumes/etc/network:rw".format(os.path.join(vm.working_dir, "etc", "network"))
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"{}:/gns3volumes/etc/network".format(os.path.join(vm.working_dir, "etc", "network"))
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],
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"Privileged": True
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},
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@ -180,7 +180,7 @@ def test_create_vnc(loop, project, manager):
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"CapAdd": ["ALL"],
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"Binds": [
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"{}:/gns3:ro".format(get_resource("compute/docker/resources")),
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"{}:/gns3volumes/etc/network:rw".format(os.path.join(vm.working_dir, "etc", "network")),
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"{}:/gns3volumes/etc/network".format(os.path.join(vm.working_dir, "etc", "network")),
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'/tmp/.X11-unix/:/tmp/.X11-unix/'
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],
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"Privileged": True
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@ -296,7 +296,7 @@ def test_create_start_cmd(loop, project, manager):
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"CapAdd": ["ALL"],
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"Binds": [
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"{}:/gns3:ro".format(get_resource("compute/docker/resources")),
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"{}:/gns3volumes/etc/network:rw".format(os.path.join(vm.working_dir, "etc", "network"))
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"{}:/gns3volumes/etc/network".format(os.path.join(vm.working_dir, "etc", "network"))
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],
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"Privileged": True
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},
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@ -396,7 +396,7 @@ def test_create_image_not_available(loop, project, manager):
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"CapAdd": ["ALL"],
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"Binds": [
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"{}:/gns3:ro".format(get_resource("compute/docker/resources")),
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"{}:/gns3volumes/etc/network:rw".format(os.path.join(vm.working_dir, "etc", "network"))
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"{}:/gns3volumes/etc/network".format(os.path.join(vm.working_dir, "etc", "network"))
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],
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"Privileged": True
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},
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@ -439,7 +439,7 @@ def test_create_with_user(loop, project, manager):
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"CapAdd": ["ALL"],
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"Binds": [
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"{}:/gns3:ro".format(get_resource("compute/docker/resources")),
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"{}:/gns3volumes/etc/network:rw".format(os.path.join(vm.working_dir, "etc", "network"))
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"{}:/gns3volumes/etc/network".format(os.path.join(vm.working_dir, "etc", "network"))
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],
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"Privileged": True
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},
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@ -509,8 +509,35 @@ def test_create_with_extra_volumes_duplicate_1_image(loop, project, manager):
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with asyncio_patch("gns3server.compute.docker.Docker.list_images", return_value=[{"image": "ubuntu"}]) as mock_list_images:
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with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
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vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu:latest", extra_volumes=["/vol/1"])
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with pytest.raises(DockerError):
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loop.run_until_complete(asyncio.ensure_future(vm.create()))
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loop.run_until_complete(asyncio.ensure_future(vm.create()))
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mock.assert_called_with("POST", "containers/create", data={
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"Tty": True,
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"OpenStdin": True,
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"StdinOnce": False,
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"HostConfig":
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{
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"CapAdd": ["ALL"],
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"Binds": [
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"{}:/gns3:ro".format(get_resource("compute/docker/resources")),
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"{}:/gns3volumes/etc/network".format(os.path.join(vm.working_dir, "etc", "network")),
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"{}:/gns3volumes/vol/1".format(os.path.join(vm.working_dir, "vol", "1")),
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],
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"Privileged": True
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},
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"Volumes": {},
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"NetworkDisabled": True,
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"Name": "test",
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"Hostname": "test",
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"Image": "ubuntu:latest",
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"Env": [
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"container=docker",
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"GNS3_MAX_ETHERNET=eth0",
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"GNS3_VOLUMES=/etc/network:/vol/1"
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],
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"Entrypoint": ["/gns3/init.sh"],
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"Cmd": ["/bin/sh"]
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})
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assert vm._cid == "e90e34656806"
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def test_create_with_extra_volumes_duplicate_2_user(loop, project, manager):
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@ -521,8 +548,35 @@ def test_create_with_extra_volumes_duplicate_2_user(loop, project, manager):
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with asyncio_patch("gns3server.compute.docker.Docker.list_images", return_value=[{"image": "ubuntu"}]) as mock_list_images:
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with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
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vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu:latest", extra_volumes=["/vol/1", "/vol/1"])
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with pytest.raises(DockerError):
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loop.run_until_complete(asyncio.ensure_future(vm.create()))
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loop.run_until_complete(asyncio.ensure_future(vm.create()))
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mock.assert_called_with("POST", "containers/create", data={
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"Tty": True,
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"OpenStdin": True,
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"StdinOnce": False,
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"HostConfig":
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{
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"CapAdd": ["ALL"],
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"Binds": [
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"{}:/gns3:ro".format(get_resource("compute/docker/resources")),
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"{}:/gns3volumes/etc/network".format(os.path.join(vm.working_dir, "etc", "network")),
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"{}:/gns3volumes/vol/1".format(os.path.join(vm.working_dir, "vol", "1")),
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],
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"Privileged": True
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},
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"Volumes": {},
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"NetworkDisabled": True,
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"Name": "test",
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"Hostname": "test",
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"Image": "ubuntu:latest",
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"Env": [
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"container=docker",
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"GNS3_MAX_ETHERNET=eth0",
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"GNS3_VOLUMES=/etc/network:/vol/1"
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],
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"Entrypoint": ["/gns3/init.sh"],
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"Cmd": ["/bin/sh"]
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})
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assert vm._cid == "e90e34656806"
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def test_create_with_extra_volumes_duplicate_3_subdir(loop, project, manager):
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@ -533,8 +587,35 @@ def test_create_with_extra_volumes_duplicate_3_subdir(loop, project, manager):
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with asyncio_patch("gns3server.compute.docker.Docker.list_images", return_value=[{"image": "ubuntu"}]) as mock_list_images:
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with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
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vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu:latest", extra_volumes=["/vol/1/", "/vol"])
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with pytest.raises(DockerError):
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loop.run_until_complete(asyncio.ensure_future(vm.create()))
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loop.run_until_complete(asyncio.ensure_future(vm.create()))
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mock.assert_called_with("POST", "containers/create", data={
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"Tty": True,
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"OpenStdin": True,
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"StdinOnce": False,
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"HostConfig":
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{
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"CapAdd": ["ALL"],
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"Binds": [
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"{}:/gns3:ro".format(get_resource("compute/docker/resources")),
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"{}:/gns3volumes/etc/network".format(os.path.join(vm.working_dir, "etc", "network")),
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"{}:/gns3volumes/vol".format(os.path.join(vm.working_dir, "vol")),
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],
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"Privileged": True
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},
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"Volumes": {},
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"NetworkDisabled": True,
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"Name": "test",
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"Hostname": "test",
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"Image": "ubuntu:latest",
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"Env": [
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"container=docker",
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"GNS3_MAX_ETHERNET=eth0",
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"GNS3_VOLUMES=/etc/network:/vol"
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],
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"Entrypoint": ["/gns3/init.sh"],
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"Cmd": ["/bin/sh"]
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})
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assert vm._cid == "e90e34656806"
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def test_create_with_extra_volumes_duplicate_4_backslash(loop, project, manager):
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@ -545,8 +626,111 @@ def test_create_with_extra_volumes_duplicate_4_backslash(loop, project, manager)
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with asyncio_patch("gns3server.compute.docker.Docker.list_images", return_value=[{"image": "ubuntu"}]) as mock_list_images:
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with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
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vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu:latest", extra_volumes=["/vol//", "/vol"])
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with pytest.raises(DockerError):
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loop.run_until_complete(asyncio.ensure_future(vm.create()))
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loop.run_until_complete(asyncio.ensure_future(vm.create()))
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mock.assert_called_with("POST", "containers/create", data={
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"Tty": True,
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"OpenStdin": True,
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"StdinOnce": False,
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"HostConfig":
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{
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"CapAdd": ["ALL"],
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"Binds": [
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"{}:/gns3:ro".format(get_resource("compute/docker/resources")),
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"{}:/gns3volumes/etc/network".format(os.path.join(vm.working_dir, "etc", "network")),
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"{}:/gns3volumes/vol".format(os.path.join(vm.working_dir, "vol")),
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],
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"Privileged": True
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},
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"Volumes": {},
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"NetworkDisabled": True,
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"Name": "test",
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"Hostname": "test",
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"Image": "ubuntu:latest",
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"Env": [
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"container=docker",
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"GNS3_MAX_ETHERNET=eth0",
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"GNS3_VOLUMES=/etc/network:/vol"
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],
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"Entrypoint": ["/gns3/init.sh"],
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"Cmd": ["/bin/sh"]
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})
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assert vm._cid == "e90e34656806"
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def test_create_with_extra_volumes_duplicate_5_subdir_issue_1595(loop, project, manager):
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response = {
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"Id": "e90e34656806",
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"Warnings": [],
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}
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with asyncio_patch("gns3server.compute.docker.Docker.list_images", return_value=[{"image": "ubuntu"}]) as mock_list_images:
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with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
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vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu:latest", extra_volumes=["/etc"])
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loop.run_until_complete(asyncio.ensure_future(vm.create()))
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mock.assert_called_with("POST", "containers/create", data={
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"Tty": True,
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"OpenStdin": True,
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"StdinOnce": False,
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"HostConfig":
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{
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"CapAdd": ["ALL"],
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"Binds": [
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"{}:/gns3:ro".format(get_resource("compute/docker/resources")),
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"{}:/gns3volumes/etc".format(os.path.join(vm.working_dir, "etc")),
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],
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"Privileged": True
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},
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"Volumes": {},
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"NetworkDisabled": True,
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"Name": "test",
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"Hostname": "test",
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"Image": "ubuntu:latest",
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"Env": [
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"container=docker",
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"GNS3_MAX_ETHERNET=eth0",
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"GNS3_VOLUMES=/etc"
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],
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"Entrypoint": ["/gns3/init.sh"],
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"Cmd": ["/bin/sh"]
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})
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assert vm._cid == "e90e34656806"
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def test_create_with_extra_volumes_duplicate_6_subdir_issue_1595(loop, project, manager):
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response = {
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"Id": "e90e34656806",
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"Warnings": [],
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}
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with asyncio_patch("gns3server.compute.docker.Docker.list_images", return_value=[{"image": "ubuntu"}]) as mock_list_images:
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with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
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vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu:latest", extra_volumes=["/etc/test", "/etc"])
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loop.run_until_complete(asyncio.ensure_future(vm.create()))
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mock.assert_called_with("POST", "containers/create", data={
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"Tty": True,
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"OpenStdin": True,
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"StdinOnce": False,
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"HostConfig":
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{
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"CapAdd": ["ALL"],
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"Binds": [
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"{}:/gns3:ro".format(get_resource("compute/docker/resources")),
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"{}:/gns3volumes/etc".format(os.path.join(vm.working_dir, "etc")),
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],
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"Privileged": True
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},
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"Volumes": {},
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"NetworkDisabled": True,
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"Name": "test",
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"Hostname": "test",
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"Image": "ubuntu:latest",
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"Env": [
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"container=docker",
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"GNS3_MAX_ETHERNET=eth0",
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"GNS3_VOLUMES=/etc"
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],
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"Entrypoint": ["/gns3/init.sh"],
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"Cmd": ["/bin/sh"]
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})
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assert vm._cid == "e90e34656806"
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def test_create_with_extra_volumes(loop, project, manager):
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@ -572,7 +756,7 @@ def test_create_with_extra_volumes(loop, project, manager):
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"CapAdd": ["ALL"],
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"Binds": [
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"{}:/gns3:ro".format(get_resource("compute/docker/resources")),
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"{}:/gns3volumes/etc/network:rw".format(os.path.join(vm.working_dir, "etc", "network")),
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"{}:/gns3volumes/etc/network".format(os.path.join(vm.working_dir, "etc", "network")),
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"{}:/gns3volumes/vol/1".format(os.path.join(vm.working_dir, "vol", "1")),
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"{}:/gns3volumes/vol/2".format(os.path.join(vm.working_dir, "vol", "2")),
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],
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@ -795,7 +979,7 @@ def test_update(loop, vm):
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"CapAdd": ["ALL"],
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"Binds": [
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"{}:/gns3:ro".format(get_resource("compute/docker/resources")),
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"{}:/gns3volumes/etc/network:rw".format(os.path.join(vm.working_dir, "etc", "network"))
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"{}:/gns3volumes/etc/network".format(os.path.join(vm.working_dir, "etc", "network"))
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],
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"Privileged": True
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},
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@ -864,7 +1048,7 @@ def test_update_running(loop, vm):
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"CapAdd": ["ALL"],
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"Binds": [
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"{}:/gns3:ro".format(get_resource("compute/docker/resources")),
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"{}:/gns3volumes/etc/network:rw".format(os.path.join(vm.working_dir, "etc", "network"))
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"{}:/gns3volumes/etc/network".format(os.path.join(vm.working_dir, "etc", "network"))
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],
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"Privileged": True
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},
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@ -1138,7 +1322,7 @@ def test_mount_binds(vm, tmpdir):
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dst = os.path.join(vm.working_dir, "test/experimental")
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assert vm._mount_binds(image_infos) == [
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"{}:/gns3:ro".format(get_resource("compute/docker/resources")),
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"{}:/gns3volumes/etc/network:rw".format(os.path.join(vm.working_dir, "etc", "network")),
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"{}:/gns3volumes/etc/network".format(os.path.join(vm.working_dir, "etc", "network")),
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"{}:/gns3volumes{}".format(dst, "/test/experimental")
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]
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