spiri-sdk/guiTools/spiri_sdk_guitools/sim_drone.py

311 lines
12 KiB
Python

from loguru import logger
from pathlib import Path
import contextlib
from typing import List
import os
import sh
import subprocess
from nicegui import ui, run, app
import docker
import aiodocker
import asyncio
from spiri_sdk_guitools.video_button import EnableStreamingButton
docker_client = docker.from_env()
from rclpy.executors import ExternalShutdownException
from rclpy.node import Node
import rclpy
import threading
def ros_main() -> None:
rclpy.init()
app.on_startup(lambda: threading.Thread(target=ros_main).start())
@contextlib.contextmanager
def modified_environ(*remove, **update):
"""
Temporarily updates the ``os.environ`` dictionary in-place.
The ``os.environ`` dictionary is updated in-place so that the modification
is sure to work in all situations.
:param remove: Environment variables to remove.
:param update: Dictionary of environment variables and values to add/update.
"""
env = os.environ
update = update or {}
remove = remove or []
# List of environment variables being updated or removed.
stomped = (set(update.keys()) | set(remove)) & set(env.keys())
# Environment variables and values to restore on exit.
update_after = {k: env[k] for k in stomped}
# Environment variables and values to remove on exit.
remove_after = frozenset(k for k in update if k not in env)
try:
env.update(update)
[env.pop(k, None) for k in remove]
yield
finally:
env.update(update_after)
[env.pop(k) for k in remove_after]
robots = set()
async def container_logs(container, element):
adocker = aiodocker.Docker()
with element:
with ui.scroll_area():
acontainer = await adocker.containers.get(container.id)
async for log in acontainer.log(stdout=True, stderr=True, follow=True):
for line in log.splitlines():
ui.label(line)
# ui.html(conv.convert(bytes(log,'utf-8').decode('utf-8', 'xmlcharrefreplace'), full=False))
class Robot:
robot_type = "spiri_mu"
def __init__(self, sysid: int, compose_files: List[Path] | str):
if sysid > 255 or sysid < 0:
raise ValueError("sysid must be between 0 and 255")
self.sysid = int(sysid)
if isinstance(compose_files, str):
compose_files = [
Path(file) for file in compose_files.replace("\n", ",").split(",")
]
self.compose_files = compose_files
self.processes = []
self.video_button = None
robots.add(self)
#Ros doesn't like dashes in node names
self.robot_name = f"{self.robot_type}_{self.sysid}".replace("-","_")
async def ui_containers(self, element):
docker_elements = {}
container_status = {}
with element:
while True:
# Poll for data that changes
for container in self.containers():
try:
health = container.attrs["State"]["Health"]["Status"]
except KeyError:
health = "Unknown"
container_status[container] = (
f"{container.name} {container.status} {health}"
)
if container not in docker_elements:
docker_elements[container] = ui.element().classes("w-full")
with docker_elements[container]:
ui.label().bind_text(container_status, container).classes(
"text-lg"
)
#Show the command the container is running
# ui.label(container.attrs["Config"]["Cmd"])
cmd_widget = ui.codemirror(" ".join(container.attrs["Config"]["Cmd"]), language="bash",theme="basicDark").classes('h-auto max-h-32')
cmd_widget.enabled = False
logelement = (
ui.expansion("Logs")
.style("margin: 10px;")
.classes("w-full outline outline-1")
)
asyncio.create_task(container_logs(container, logelement))
# Check for containers that have been removed
removed = set(docker_elements.keys()) - set(self.containers())
for container in removed:
self.robot_ui.remove(docker_elements[container])
docker_elements.pop(container)
await asyncio.sleep(1)
async def ui_ros(self, element):
with element:
node_dummy = Node("_ros2cli_dummy_to_show_topic_list")
scroll_area = ui.scroll_area()
with scroll_area:
while True:
scroll_area.clear()
#Filter for topics that start with self.robot_name
for topic in node_dummy.get_topic_names_and_types():
if topic[0].startswith(f"/{self.robot_name}/"):
ui.label(topic[0])
await asyncio.sleep(10)
async def ui(self, element):
adocker = aiodocker.Docker()
with element:
self.robot_ui = ui.element().classes("w-full outline p-4")
with self.robot_ui:
ui.label(f"{self.robot_type} {self.sysid}").classes("text-2xl")
ui.label(f"""Sysid: {self.sysid}""")
ui.button("Start", on_click=self.async_start).classes("m-2")
ui.button("Stop", on_click=self.async_stop).classes("m-2")
self.video_button = EnableStreamingButton(sysid=self.sysid).classes(
"m-2"
)
async def delete_robot():
await self.async_stop()
robots.remove(self)
element.remove(self.robot_ui)
ui.button("Delete", on_click=delete_robot).classes("m-2")
with ui.tabs() as tabs:
tab_containers = ui.tab("Containers")
tab_ros = ui.tab("ROS Topics")
with ui.tab_panels(tabs, value=tab_containers):
tab = ui.tab_panel(tab_containers).classes("w-full")
asyncio.create_task(self.ui_containers(tab))
tab = ui.tab_panel(tab_ros).classes("w-full")
asyncio.create_task(self.ui_ros(tab))
async def async_stop(self):
return await run.io_bound(self.stop)
def stop(self):
# If video was enabled, and we stop. Button state is wrong.
# Stop video if it is enabled.
if isinstance(self.video_button, EnableStreamingButton):
self.video_button.stop_video()
# Delete gazebo model
self.delete_gz_model()
# Signal all processes to stop
for process in self.processes:
process.terminate()
process.kill()
self.processes = []
for container in self.containers():
# container.stop()
container.remove(force=True)
def containers(self):
return docker_client.containers.list(
all=True, filters={"name": f"robot-sim-{self.robot_name}"}
)
async def async_start(self):
return await run.io_bound(self.start)
def start(self):
"""Starts the simulated drone with a given sysid,
each drone must have it's own unique ID.
"""
instance = self.sysid - 1
sysid = self.sysid
with logger.contextualize(syd_id=sysid):
env = os.environ
with modified_environ(
SERIAL0_PORT=str(int(env["SERIAL0_PORT"]) + 10 * instance),
MAVROS2_PORT=str(int(env["MAVROS2_PORT"]) + 10 * instance),
MAVROS1_PORT=str(int(env["MAVROS1_PORT"]) + 10 * instance),
FDM_PORT_IN=str(int(env["FDM_PORT_IN"]) + 10 * instance),
GSTREAMER_UDP_PORT=str(int(env["GSTREAMER_UDP_PORT"]) + 10 * instance),
SITL_PORT=str(int(env["SITL_PORT"]) + 10 * instance),
INSTANCE=str(instance),
DRONE_SYS_ID=str(self.sysid),
ROBOT_NAME=self.robot_name,
WORLD_NAME="citadel_hill",
):
self.spawn_gz_model()
logger.info("Starting drone stack, this may take some time")
for compose_file in self.compose_files:
if not isinstance(compose_file, Path):
compose_file = Path(compose_file)
if not compose_file.exists():
raise FileNotFoundError(f"File {compose_file} does not exist")
#Get the folder the compose file is in
compose_folder = compose_file.parent
args = [
"docker-compose",
"--profile",
"uav-sim",
"-p",
f"robot-sim-{self.robot_name}-{compose_folder.name}",
"-f",
compose_file.as_posix(),
"up",
]
command = " ".join(args)
logger.info(f"Starting drone stack with command: {command}")
docker_stack = subprocess.Popen(
args,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
)
def spawn_gz_model(self):
sysid = self.sysid
logger.info("")
env = os.environ
GSTREAMER_UDP_PORT = env["GSTREAMER_UDP_PORT"]
FDM_PORT_IN = env["FDM_PORT_IN"]
WORLD_NAME = env["WORLD_NAME"]
DRONE_MODEL = env["DRONE_MODEL"]
XACRO_CMD = [
"xacro",
f"gstreamer_udp_port:={GSTREAMER_UDP_PORT}",
f"fdm_port_in:={FDM_PORT_IN}",
"model.xacro.sdf",
"-o",
"model.sdf",
]
# This path is breaking if this drone_model folder doesnt exist!
# TODO: fix this model path for minimal code maintenance
ROS2_CMD = f"ros2 run ros_gz_sim create -world {WORLD_NAME} -file /ardupilot_gazebo/models/{DRONE_MODEL}/model.sdf -name {self.robot_name} -x {sysid - 1} -y 0 -z 0.195"
xacro_proc = subprocess.Popen(
XACRO_CMD,
cwd=f"/ardupilot_gazebo/models/{DRONE_MODEL}",
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
)
ros2_gz_create_proc = subprocess.Popen(
ROS2_CMD.split(),
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
)
out, err = ros2_gz_create_proc.communicate(timeout=15)
ros2_gz_create_proc.kill()
return
def delete_gz_model(self):
sysid = self.sysid
env = os.environ
WORLD_NAME = env["WORLD_NAME"]
# http://osrf-distributions.s3.amazonaws.com/gazebo/api/7.1.0/classgazebo_1_1physics_1_1Entity.html
ENTITY_TYPE_MODEL = 0x00000002
REQUEST_ARG = f"name: '{self.robot_name}' type: {ENTITY_TYPE_MODEL}"
GZ_SERVICE_CMD = [
"gz",
"service",
"-s",
f"/world/{WORLD_NAME}/remove",
"--reqtype",
"gz.msgs.Entity",
"--reptype",
"gz.msgs.Boolean",
"--timeout",
"5000",
"--req",
REQUEST_ARG,
]
remove_entity_proc = subprocess.Popen(
GZ_SERVICE_CMD,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
)
out, err = remove_entity_proc.communicate(timeout=15)
remove_entity_proc.kill()