mirror of
https://github.com/GNS3/gns3-server
synced 2024-11-28 11:18:11 +00:00
Merge pull request #1800 from GNS3/docker-resource-constraints
Resource constraints for Docker VMs.
This commit is contained in:
Jeremy Grossmann
GitHub
commit
00a6765405
@ -71,7 +71,7 @@ class DockerVM(BaseNode):
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def __init__(self, name, node_id, project, manager, image, console=None, aux=None, start_command=None,
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adapters=None, environment=None, console_type="telnet", console_resolution="1024x768",
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console_http_port=80, console_http_path="/", extra_hosts=None, extra_volumes=[]):
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console_http_port=80, console_http_path="/", extra_hosts=None, extra_volumes=[], memory=0, cpus=0):
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super().__init__(name, node_id, project, manager, console=console, aux=aux, allocate_aux=True, console_type=console_type)
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@ -94,6 +94,8 @@ class DockerVM(BaseNode):
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self._console_websocket = None
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self._extra_hosts = extra_hosts
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self._extra_volumes = extra_volumes or []
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self._memory = memory
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self._cpus = cpus
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self._permissions_fixed = False
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self._display = None
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self._closing = False
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@ -132,6 +134,8 @@ class DockerVM(BaseNode):
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"node_directory": self.working_path,
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"extra_hosts": self.extra_hosts,
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"extra_volumes": self.extra_volumes,
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"memory": self.memory,
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"cpus": self.cpus
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}
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def _get_free_display_port(self):
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@ -211,6 +215,22 @@ class DockerVM(BaseNode):
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def extra_volumes(self, extra_volumes):
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self._extra_volumes = extra_volumes
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@property
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def memory(self):
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return self._memory
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@memory.setter
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def memory(self, memory):
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self._memory = memory
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@property
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def cpus(self):
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return self._cpus
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@cpus.setter
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def cpus(self, cpus):
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self._cpus = cpus
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async def _get_container_state(self):
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"""
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Returns the container state (e.g. running, paused etc.)
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@ -328,6 +348,10 @@ class DockerVM(BaseNode):
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if image_infos is None:
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raise DockerError("Cannot get information for image '{}', please try again.".format(self._image))
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available_cpus = psutil.cpu_count(logical=True)
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if self._cpus > available_cpus:
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raise DockerError("You have allocated too many CPUs for the Docker container (max available is {} CPUs)".format(available_cpus))
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params = {
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"Hostname": self._name,
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"Name": self._name,
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@ -340,6 +364,8 @@ class DockerVM(BaseNode):
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"CapAdd": ["ALL"],
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"Privileged": True,
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"Binds": self._mount_binds(image_infos),
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"Memory": self._memory * (1024 * 1024), # convert memory to bytes
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"NanoCpus": int(self._cpus * 1e9) # convert cpus to nano cpus
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},
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"Volumes": {},
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"Env": ["container=docker"], # Systemd compliant: https://github.com/GNS3/gns3-server/issues/573
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@ -62,7 +62,9 @@ class DockerHandler:
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console_http_path=request.json.get("console_http_path", "/"),
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aux=request.json.get("aux"),
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extra_hosts=request.json.get("extra_hosts"),
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extra_volumes=request.json.get("extra_volumes"))
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extra_volumes=request.json.get("extra_volumes"),
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memory=request.json.get("memory", 0),
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cpus=request.json.get("cpus", 0))
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for name, value in request.json.items():
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if name != "node_id":
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if hasattr(container, name) and getattr(container, name) != value:
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@ -317,7 +319,8 @@ class DockerHandler:
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props = [
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"name", "console", "aux", "console_type", "console_resolution",
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"console_http_port", "console_http_path", "start_command",
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"environment", "adapters", "extra_hosts", "extra_volumes"
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"environment", "adapters", "extra_hosts", "extra_volumes",
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"memory", "cpus"
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]
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changed = False
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@ -103,6 +103,14 @@ DOCKER_CREATE_SCHEMA = {
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"type": "string"
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}
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},
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"memory": {
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"description": "Maximum amount of memory the container can use in MB",
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"type": "integer",
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},
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"cpus": {
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"description": "Maximum amount of CPU resources the container can use",
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"type": "number",
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},
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"container_id": {
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"description": "Docker container ID Read only",
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"type": "string",
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@ -214,6 +222,14 @@ DOCKER_OBJECT_SCHEMA = {
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"type": "string",
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}
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},
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"memory": {
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"description": "Maximum amount of memory the container can use in MB",
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"type": "integer",
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},
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"cpus": {
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"description": "Maximum amount of CPU resources the container can use",
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"type": "number",
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},
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"node_directory": {
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"description": "Path to the node working directory Read only",
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"type": "string"
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@ -82,6 +82,16 @@ DOCKER_TEMPLATE_PROPERTIES = {
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"type": "array",
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"default": []
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},
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"memory": {
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"description": "Maximum amount of memory the container can use in MB",
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"type": "integer",
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"default": 0
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},
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"cpus": {
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"description": "Maximum amount of CPU resources the container can use",
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"type": "number",
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"default": 0
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},
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"custom_adapters": CUSTOM_ADAPTERS_ARRAY_SCHEMA
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}
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@ -66,6 +66,8 @@ def test_json(vm, compute_project):
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'console_http_path': '/',
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'extra_hosts': None,
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'extra_volumes': [],
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'memory': 0,
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'cpus': 0,
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'aux': vm.aux,
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'start_command': vm.start_command,
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'environment': vm.environment,
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@ -104,7 +106,9 @@ async def test_create(compute_project, manager):
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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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],
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"Privileged": True
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"Privileged": True,
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"Memory": 0,
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"NanoCpus": 0
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},
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"Volumes": {},
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"NetworkDisabled": True,
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@ -143,7 +147,9 @@ async def test_create_with_tag(compute_project, manager):
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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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],
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"Privileged": True
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"Privileged": True,
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"Memory": 0,
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"NanoCpus": 0
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},
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"Volumes": {},
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"NetworkDisabled": True,
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@ -186,7 +192,9 @@ async def test_create_vnc(compute_project, manager):
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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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"Privileged": True,
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"Memory": 0,
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"NanoCpus": 0
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},
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"Volumes": {},
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"NetworkDisabled": True,
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@ -301,7 +309,9 @@ async def test_create_start_cmd(compute_project, manager):
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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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],
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"Privileged": True
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"Privileged": True,
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"Memory": 0,
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"NanoCpus": 0
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},
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"Volumes": {},
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"Entrypoint": ["/gns3/init.sh"],
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@ -400,7 +410,9 @@ async def test_create_image_not_available(compute_project, manager):
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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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],
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"Privileged": True
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"Privileged": True,
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"Memory": 0,
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"NanoCpus": 0
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},
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"Volumes": {},
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"NetworkDisabled": True,
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@ -444,7 +456,9 @@ async def test_create_with_user(compute_project, manager):
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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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],
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"Privileged": True
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"Privileged": True,
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"Memory": 0,
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"NanoCpus": 0
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},
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"Volumes": {},
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"NetworkDisabled": True,
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@ -528,7 +542,9 @@ async def test_create_with_extra_volumes_duplicate_1_image(compute_project, mana
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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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"Privileged": True,
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"Memory": 0,
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"NanoCpus": 0
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},
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"Volumes": {},
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"NetworkDisabled": True,
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@ -568,7 +584,9 @@ async def test_create_with_extra_volumes_duplicate_2_user(compute_project, manag
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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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"Privileged": True,
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"Memory": 0,
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"NanoCpus": 0
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},
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"Volumes": {},
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"NetworkDisabled": True,
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@ -608,7 +626,9 @@ async def test_create_with_extra_volumes_duplicate_3_subdir(compute_project, man
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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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"Privileged": True,
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"Memory": 0,
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"NanoCpus": 0
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},
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"Volumes": {},
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"NetworkDisabled": True,
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@ -648,7 +668,9 @@ async def test_create_with_extra_volumes_duplicate_4_backslash(compute_project,
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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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"Privileged": True,
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"Memory": 0,
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"NanoCpus": 0
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},
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"Volumes": {},
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"NetworkDisabled": True,
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@ -687,7 +709,9 @@ async def test_create_with_extra_volumes_duplicate_5_subdir_issue_1595(compute_p
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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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"Privileged": True,
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"Memory": 0,
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"NanoCpus": 0
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},
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"Volumes": {},
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"NetworkDisabled": True,
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@ -726,7 +750,9 @@ async def test_create_with_extra_volumes_duplicate_6_subdir_issue_1595(compute_p
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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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"Privileged": True,
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"Memory": 0,
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"NanoCpus": 0
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},
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"Volumes": {},
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"NetworkDisabled": True,
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@ -773,7 +799,9 @@ async def test_create_with_extra_volumes(compute_project, manager):
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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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"Privileged": True
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"Privileged": True,
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"Memory": 0,
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"NanoCpus": 0
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},
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"Volumes": {},
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"NetworkDisabled": True,
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@ -996,7 +1024,9 @@ async def test_update(vm):
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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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],
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"Privileged": True
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"Privileged": True,
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"Memory": 0,
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"NanoCpus": 0
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},
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"Volumes": {},
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"NetworkDisabled": True,
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@ -1065,7 +1095,9 @@ async def test_update_running(vm):
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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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],
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"Privileged": True
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"Privileged": True,
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"Memory": 0,
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"NanoCpus": 0
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},
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"Volumes": {},
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"NetworkDisabled": True,
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@ -1422,3 +1454,85 @@ async def test_read_console_output_with_binary_mode(vm):
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with asyncio_patch('gns3server.compute.docker.docker_vm.DockerVM.stop'):
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await vm._read_console_output(input_stream, output_stream)
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output_stream.feed_data.assert_called_once_with(b"test")
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async def test_cpus(compute_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"}]):
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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()), compute_project, manager, "ubuntu:latest", cpus=0.5)
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await 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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],
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"Privileged": True,
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"Memory": 0,
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"NanoCpus": 500000000
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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"
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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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async def test_memory(compute_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"}]):
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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()), compute_project, manager, "ubuntu:latest", memory=32)
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await 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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],
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"Privileged": True,
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"Memory": 33554432, # 32MB in bytes
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"NanoCpus": 0
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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"
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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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