def _export_deployment_manifest(self, deployment, deployment_dir):
deployment_dir.mkdir(parents=True, exist_ok=True)
deployment_manifest_file = deployment_dir / UvnDefaults["registry"][
"deployment_file"]
db_args = self.identity_db.get_export_args()
yml(deployment, to_file=deployment_manifest_file, **db_args)
# Generate a human-readable summary
report_file = deployment_dir / UvnDefaults["registry"][
"deployment_report"]
deployment_summary = UvnDeploymentSummary(self, deployment)
render(deployment_summary, "human", to_file=report_file)
logger.activity("generated deployment summary: {}", report_file)
def start(self, cfg_name=None, cfg=None):
# Generate configuration
if not cfg_name:
if not self.cfg_name:
raise ValueError("no configuration name specified")
cfg_name = self.cfg_name
if not cfg:
if not self._cfg:
raise RuntimeError("no configuration object specified")
cfg = self._cfg
render(cfg, "rs-config", to_file=self.cfg_file)
self.cfg_name = cfg_name
self._cfg = cfg
threading.Thread.start(self)
def reload(self):
if self.dnsmasq_enabled:
logger.trace("[dnsmasq] reloading")
self._generate_dnsmasq_config(
db_only=True,
upstream_servers=self.upstream_servers,
noupstream=self.noupstream,
except_interfaces=self.except_interfaces,
localhost_only=self.localhost_only)
db_dir = pathlib.Path(UvnDefaults["nameserver"]["db_dir"])
db_file = db_dir / UvnDefaults["nameserver"]["db_file"]
render(self, "dnsmasq-db", to_file=db_file)
# dnsmasq_reload()
self.dnsmaq_monitor.trigger()
def render(self, base_dir):
base_dir = pathlib.Path(base_dir)
for cell_name, cfg in self.configs.items():
cfg_file = base_dir / UvnDefaults["registry"]["vpn"][
"particles"]["particle_cfg_fmt"].format(
cfg.registry_address, cfg.cell_name, self.name)
qr_file = base_dir / UvnDefaults["registry"][
"vpn"]["particles"]["particle_qr_fmt"].format(
cfg.registry_address, cfg.cell_name, self.name)
render(cfg, "wireguard-cfg", to_file=cfg_file)
qr.encode_file(cfg_file, qr_file, format="png")
logger.debug("generated particle: {} -> {}", self.name,
cfg.cell_name)
manifest_file = base_dir / UvnDefaults["particle"]["manifest"]
render(self, "manifest", to_file=manifest_file, manifest=True)
def _create_particles_connection(self):
wg_config = render(self.cell.particles_vpn, "wireguard-cfg")
wgi = WireGuardInterface(self.cell.particles_vpn.interface,
self.cell.particles_vpn.addr_local,
self.cell.particles_vpn.network.prefixlen,
wg_config,
keep=self.keep)
return wgi
def _create_participant(self, cls, extra):
logger.debug("agent participant: {}", cls)
cfg_dir = self._basedir / UvnDefaults["dds"]["dir"]
profile_file = cfg_dir / UvnDefaults["dds"]["profile_file"]
with StaticData.dds_profile_file().open() as profile_file_tmplt:
render({
"registry_address": self.registry.address,
"cell_name": self.registry.deployed_cell.id.name
if self.registry.packaged
else self.agent_id(),
"deployment_id": self.registry.latest_deployment.id
if self.registry.latest_deployment else
UvnDefaults["registry"]["deployment_bootstrap"]
}, profile_file_tmplt.read(),
to_file=profile_file,
inline=True)
return cls(self._basedir, self.registry,
listener=self, profile_file=str(profile_file), **extra)
def _create_root_connection(self):
wg_config = render(self.cell.registry_vpn, "wireguard-cfg")
wgi = WireGuardInterface(
self.cell.registry_vpn.interface,
self.cell.registry_vpn.cell_ip,
UvnDefaults["registry"]["vpn"]["registry"]["netmask"],
wg_config,
keep=self.keep,
allowed_ips={
ipaddress.ip_network("{}/{}".format(
UvnDefaults["registry"]["vpn"]["registry"]["base_ip"],
UvnDefaults["registry"]["vpn"]["registry"]["netmask"]))
})
return wgi
def _create_router_connections(self):
port_config = CellRouterPortWireguardConfig(self.registry, self.cell)
wg_config = render(port_config, "wireguard-cfg")
wgi = WireGuardInterface(
self.cell.router_port.interface,
self.cell.router_port.addr_local,
UvnDefaults["registry"]["vpn"]["router"]["netmask"],
wg_config,
keep=self.keep,
allowed_ips={
ipaddress.ip_network(a)
for a in UvnDefaults["registry"]["vpn"]["router"]
["allowed_ips"]
})
return [wgi]
def _generate_dnsmasq_config(
self,
db_only=False,
upstream_servers=UvnDefaults["nameserver"]["upstream_servers"],
localhost_only=False,
except_interfaces=[],
noupstream=False):
db_dir = self._basedir / UvnDefaults["nameserver"]["db_dir"]
hosts_dir = self._basedir / UvnDefaults["nameserver"]["hosts_dir"]
hosts_file = hosts_dir / UvnDefaults["nameserver"]["hosts_file"]
db_file = db_dir / UvnDefaults["nameserver"]["db_file"]
conf_file = UvnDefaults["nameserver"]["conf_file"]
logger.trace(
"[dnsmasq][generating] configuration: conf_file={}, hosts_file={}",
conf_file, hosts_file)
db_dir.mkdir(parents=True, exist_ok=True)
# render(self, "dnsmasq-db", to_file=db_file)
render(self, "dnsmasq-hosts", to_file=hosts_file, export_all=True)
if not db_only:
render(self,
"dnsmasq-conf",
to_file=conf_file,
context={
"except_interfaces":
except_interfaces,
"upstream_servers":
upstream_servers if not noupstream else [],
"hosts_dir":
hosts_dir,
"hosts_file":
hosts_file,
"db_dir":
db_dir,
"db_file":
db_file,
"local_only":
localhost_only,
"noupstream":
noupstream
})
resolv_conf = pathlib.Path("/etc/resolv.conf")
resolv_conf_bkp = pathlib.Path("/etc/resolv.conf.uno.bkp")
if not resolv_conf_bkp.exists():
shutil.copy2(str(resolv_conf), str(resolv_conf_bkp))
else:
logger.warning("not overwritten: {}", resolv_conf_bkp)
render(self,
"resolv-conf",
to_file=resolv_conf,
context={"noupstream": noupstream})
self.except_interfaces = list(except_interfaces)
self.upstream_servers = list(upstream_servers)
self.noupstream = noupstream
self.localhost_only = localhost_only
def _create_backbone(self):
wg_backbone = []
if self.cell_cfg is not None:
for b in self.cell_cfg.backbone:
wg_config = render(b, "wireguard-cfg")
wgi = WireGuardInterface(
b.interface,
b.addr_local,
UvnDefaults["registry"]["vpn"]["backbone2"]["netmask"],
wg_config,
keep=self.keep,
allowed_ips={
ipaddress.ip_network(a)
for a in UvnDefaults["registry"]["vpn"]["router"]
["allowed_ips"]
})
wg_backbone.append(wgi)
return wg_backbone
def _initialize_runner_context(tmp_dir,
basedir,
dockerfile,
container_arch,
connext_helper,
keep=False,
copy_uno=False,
copy_uvn=False,
build_wheel=False,
dev=False,
connext=False):
logger.activity("[context] initializing: {}", tmp_dir)
context_data = []
extra_args = {}
if copy_uno and not dev:
repo_dir = DockerController._clone_uno(tmp_dir, keep=keep, dev=dev)
context_data.append(repo_dir.name)
if copy_uvn:
uvn_dir = DockerController._clone_uvn(tmp_dir, basedir, keep=keep)
context_data.append(uvn_dir.name)
# Retrieve a pre-built wheel file to install connextdds-py
connextdds_wheel = None
if not build_wheel:
try:
connextdds_wheel = StaticData.connextdds_wheel(container_arch)
except Exception as e:
logger.warning(
"no prebuilt connextdds-py wheel found for architecture {}"
)
if not connextdds_wheel or build_wheel:
connextdds_wheel = connext_helper.py.build(container_arch)
dds_whl_path = tmp_dir / connextdds_wheel.name
connextdds_wheel.copy_to(dds_whl_path)
context_data.append(dds_whl_path.name)
extra_args["CONNEXTDDS_WHEEL"] = connextdds_wheel.name
if connext:
# Copy Connext DDS libraries and routing service
dds_path = tmp_dir / UvnDefaults["dds"]["home"]
connextdds_arc = UvnDefaults["dds"]["connext"]["arch"][
container_arch]
connext_helper.copy_to(dds_path, archs=[connextdds_arc])
context_data.append(dds_path.name)
# Instantiate Dockerfile
dockerfile_path = tmp_dir / "Dockerfile"
base_image = None
if container_arch == "x86_64":
if sys.version_info.minor == 6:
base_image = "ubuntu:18.04"
elif sys.version_info.minor == 8:
base_image = "ubuntu:20.04"
elif container_arch == "armv7l":
if sys.version_info.minor == 7:
base_image = "balenalib/raspberry-pi-debian:latest"
else:
raise ValueError(
f"unsupported container architecture: {container_arch}")
if not base_image:
raise RuntimeError(
f"Python 3.{sys.version_info.minor} not supported in {container_arch} uno containers yet"
)
dockerfile_tmplt = Dockerfile(base_image=base_image,
dev=dev,
ndds=False,
rpi_extra=container_arch == "armv7l")
render(dockerfile_tmplt, "Dockerfile", to_file=dockerfile_path)
context_data.append("Dockerfile")
# Instantiate entrypoint script
entrypoint_path = tmp_dir / "entrypoint.sh"
with entrypoint_path.open("w") as output:
entrypoint_stream = StaticData.script("entrypoint.sh",
binary=False)
shutil.copyfileobj(entrypoint_stream, output)
context_data.append("entrypoint.sh")
# Create a tar containing the custom build context
context_tar = tmp_dir / UvnDefaults["docker"]["context"]["tar"]
cmd_args = ["tar", "cvf", context_tar]
cmd_args.extend(context_data)
exec_command(
cmd_args,
cwd=tmp_dir,
fail_msg="failed to archive build context: {}".format(context_tar))
return context_tar, extra_args
def _quagga_start(self, cfg):
# Make sure services are stopped
self._quagga_stop()
try:
pid_zebra = self._basedir / UvnDefaults["router"]["zebra"]["pid"]
pid_ospfd = self._basedir / UvnDefaults["router"]["ospfd"]["pid"]
conf_zebra = self._basedir / UvnDefaults["router"]["zebra"]["conf"]
conf_ospfd = self._basedir / UvnDefaults["router"]["ospfd"]["conf"]
# Generate configuration files
render(cfg,
"ospfd.conf",
to_file=conf_ospfd,
context={"basedir": self._basedir})
render(cfg,
"zebra.conf",
to_file=conf_zebra,
context={"basedir": self._basedir})
# Create log directories
ospfd_log = self._basedir / UvnDefaults["router"]["ospfd"]["log"]
ospfd_log.parent.mkdir(exist_ok=True, parents=True)
zebra_log = self._basedir / UvnDefaults["router"]["zebra"]["log"]
zebra_log.parent.mkdir(exist_ok=True, parents=True)
# Create directory for socket file
zebra_socket = self._basedir / UvnDefaults["router"]["zebra"][
"socket"]
zebra_socket.parent.mkdir(exist_ok=True, parents=True)
# Create directory for vty sockets
vty_dir = pathlib.Path(UvnDefaults["router"]["vty"]["dir"])
vty_dir.mkdir(exist_ok=True, parents=True)
# Create config file for vtysh
vtysh_conf = pathlib.Path(UvnDefaults["router"]["vty"]["conf"])
render(cfg, "vtysh.conf", to_file=vtysh_conf)
q_user = UvnDefaults["router"]["user"]
q_group = UvnDefaults["router"]["group"]
# Change permissions of file and directories accessed by daemons
chown(f"{q_user}:{q_group}", zebra_socket.parent, vty_dir)
for f in [ospfd_log, zebra_log, pid_ospfd, pid_zebra]:
touch(str(f))
chown(f"{q_user}:{q_group}", str(f))
self._zebra = QuaggaThread("zebra", conf_zebra, pid_zebra,
zebra_socket, q_user, q_group)
self._ospfd = QuaggaThread("ospfd", conf_ospfd, pid_ospfd,
zebra_socket, q_user, q_group)
self._zebra.start()
# Wait a few seconds for zebra to start and create its socket
time.sleep(UvnDefaults["router"]["start_wait"])
self._ospfd.start()
time.sleep(UvnDefaults["router"]["start_wait"])
self._started = True
except Exception as e:
logger.exception(e)
logger.error("failed to start quagga daemons")
# Try to reset state to stopped
self.stop()
raise e
return self._zebra, self._ospfd
