497 lines
16 KiB
Python
497 lines
16 KiB
Python
import inspect
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import itertools
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import os
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import sys
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import threading
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import time
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from contextlib import contextmanager
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from enum import Enum
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from pathlib import Path
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from tempfile import NamedTemporaryFile
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from typing import Optional
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from invoke import task, Context
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DAEMON_DIR: str = "daemon"
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DEFAULT_PREFIX: str = "/usr/local"
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class Progress:
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cycles = itertools.cycle(["-", "/", "|", "\\"])
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def __init__(self, verbose: bool) -> None:
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self.verbose: bool = verbose
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self.thread: Optional[threading.Thread] = None
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self.running: bool = False
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@contextmanager
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def start(self, message: str) -> None:
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if not self.verbose:
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print(f"{message} ... ", end="")
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self.running = True
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self.thread = threading.Thread(target=self.run, daemon=True)
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self.thread.start()
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yield
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self.stop()
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def run(self) -> None:
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while self.running:
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sys.stdout.write(next(self.cycles))
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sys.stdout.flush()
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sys.stdout.write("\b")
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time.sleep(0.1)
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def stop(self) -> None:
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if not self.verbose:
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print("done")
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if self.thread:
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self.running = False
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self.thread.join()
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self.thread = None
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class OsName(Enum):
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UBUNTU = "ubuntu"
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CENTOS = "centos"
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class OsLike(Enum):
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DEBIAN = "debian"
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REDHAT = "rhel fedora"
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class OsInfo:
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def __init__(self, name: OsName, like: OsLike, version: float) -> None:
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self.name: OsName = name
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self.like: OsLike = like
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self.version: float = version
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def get_python(c: Context, warn: bool = False) -> str:
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with c.cd(DAEMON_DIR):
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r = c.run("poetry env info -p", warn=warn, hide=True)
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if r.ok:
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venv = r.stdout.strip()
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return os.path.join(venv, "bin", "python")
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else:
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return ""
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def get_pytest(c: Context) -> str:
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with c.cd(DAEMON_DIR):
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venv = c.run("poetry env info -p", hide=True).stdout.strip()
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return os.path.join(venv, "bin", "pytest")
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def get_os() -> OsInfo:
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d = {}
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with open("/etc/os-release", "r") as f:
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for line in f.readlines():
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line = line.strip()
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if not line:
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continue
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key, value = line.split("=")
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d[key] = value.strip("\"")
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name_value = d["ID"]
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like_value = d["ID_LIKE"]
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version_value = d["VERSION_ID"]
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try:
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name = OsName(name_value)
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like = OsLike(like_value)
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version = float(version_value)
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except ValueError:
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print(
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f"unsupported os({name_value}) like({like_value}) version({version_value}"
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)
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sys.exit(1)
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return OsInfo(name, like, version)
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def check_existing_core(c: Context, hide: bool) -> None:
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if c.run("python -c \"import core\"", warn=True, hide=hide):
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raise SystemError("existing python2 core installation detected, please remove")
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if c.run("python3 -c \"import core\"", warn=True, hide=hide):
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raise SystemError("existing python3 core installation detected, please remove")
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if c.run("which core-daemon", warn=True, hide=hide):
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raise SystemError("core scripts found, please remove old installation")
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def install_system(c: Context, os_info: OsInfo, hide: bool) -> None:
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if os_info.like == OsLike.DEBIAN:
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c.run(
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"sudo apt install -y automake pkg-config gcc libev-dev ebtables "
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"iproute2 ethtool tk python3-tk bash",
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hide=hide
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)
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elif os_info.like == OsLike.REDHAT:
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c.run(
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"sudo yum install -y automake pkgconf-pkg-config gcc gcc-c++ "
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"libev-devel iptables-ebtables iproute python3-devel python3-tkinter "
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"tk ethtool make bash",
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hide=hide
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)
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# centos 8+ does not support netem by default
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if os_info.name == OsName.CENTOS and os_info.version >= 8:
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c.run("sudo yum install -y kernel-modules-extra", hide=hide)
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if not c.run("sudo modprobe sch_netem", warn=True, hide=hide):
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print("\nERROR: you need to install the latest kernel")
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print("run the following, restart, and try again")
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print("sudo yum update")
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sys.exit(1)
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# attempt to setup legacy ebtables when an nftables based version is found
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r = c.run("ebtables -V", hide=hide)
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if "nf_tables" in r.stdout:
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if not c.run(
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"sudo update-alternatives --set ebtables /usr/sbin/ebtables-legacy",
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warn=True,
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hide=hide
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):
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print(
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"\nWARNING: unable to setup ebtables-legacy, WLAN will not work"
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)
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def install_grpcio(c: Context, hide: bool) -> None:
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c.run(
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"python3 -m pip install --user grpcio==1.27.2 grpcio-tools==1.27.2",
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hide=hide,
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)
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def build_core(c: Context, hide: bool, prefix: str = DEFAULT_PREFIX) -> None:
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c.run("./bootstrap.sh", hide=hide)
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c.run(f"./configure --prefix={prefix}", hide=hide)
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c.run("make -j$(nproc)", hide=hide)
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def install_core(c: Context, hide: bool) -> None:
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c.run("sudo make install", hide=hide)
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def install_poetry(c: Context, dev: bool, hide: bool) -> None:
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c.run("pipx install poetry", hide=hide)
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args = "" if dev else "--no-dev"
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with c.cd(DAEMON_DIR):
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c.run(f"poetry install {args}", hide=hide)
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if dev:
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c.run("poetry run pre-commit install", hide=hide)
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def install_ospf_mdr(c: Context, os_info: OsInfo, hide: bool) -> None:
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if c.run("which zebra", warn=True, hide=hide):
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print("\nquagga already installed, skipping ospf mdr")
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return
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if os_info.like == OsLike.DEBIAN:
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c.run("sudo apt install -y libtool gawk libreadline-dev git", hide=hide)
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elif os_info.like == OsLike.REDHAT:
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c.run("sudo yum install -y libtool gawk readline-devel git", hide=hide)
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ospf_dir = "../ospf-mdr"
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ospf_url = "https://github.com/USNavalResearchLaboratory/ospf-mdr.git"
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c.run(f"git clone {ospf_url} {ospf_dir}", hide=hide)
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with c.cd(ospf_dir):
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c.run("git checkout 26fe5a4401a26760c553fcadfde5311199e89450", hide=hide)
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c.run("./bootstrap.sh", hide=hide)
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c.run(
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"./configure --disable-doc --enable-user=root --enable-group=root "
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"--with-cflags=-ggdb --sysconfdir=/usr/local/etc/quagga --enable-vtysh "
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"--localstatedir=/var/run/quagga",
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hide=hide
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)
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c.run("make -j$(nproc)", hide=hide)
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c.run("sudo make install", hide=hide)
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@task(
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help={
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"verbose": "enable verbose",
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"prefix": f"prefix where scripts are installed, default is {DEFAULT_PREFIX}"
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},
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)
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def install_service(c, verbose=False, prefix=DEFAULT_PREFIX):
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"""
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install systemd core service
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"""
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hide = not verbose
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bin_dir = Path(prefix).joinpath("bin")
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systemd_dir = Path("/lib/systemd/system/")
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service_file = systemd_dir.joinpath("core-daemon.service")
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if systemd_dir.exists():
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service_data = inspect.cleandoc(f"""
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[Unit]
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Description=Common Open Research Emulator Service
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After=network.target
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[Service]
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Type=simple
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ExecStart={bin_dir}/core-daemon
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TasksMax=infinity
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[Install]
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WantedBy=multi-user.target
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""")
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temp = NamedTemporaryFile("w", delete=False)
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temp.write(service_data)
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temp.close()
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c.run(f"sudo cp {temp.name} {service_file}", hide=hide)
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else:
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print(f"ERROR: systemd service path not found: {systemd_dir}")
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@task(
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help={
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"verbose": "enable verbose",
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"prefix": f"prefix where scripts are installed, default is {DEFAULT_PREFIX}"
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},
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)
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def install_scripts(c, verbose=False, prefix=DEFAULT_PREFIX):
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"""
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install core script files, modified to leverage virtual environment
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"""
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hide = not verbose
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python = get_python(c)
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bin_dir = Path(prefix).joinpath("bin")
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for script in Path("daemon/scripts").iterdir():
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dest = bin_dir.joinpath(script.name)
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with open(script, "r") as f:
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lines = f.readlines()
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first = lines[0].strip()
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# modify python scripts to point to virtual environment
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if first == "#!/usr/bin/env python3":
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lines[0] = f"#!{python}\n"
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temp = NamedTemporaryFile("w", delete=False)
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for line in lines:
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temp.write(line)
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temp.close()
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c.run(f"sudo cp {temp.name} {dest}", hide=hide)
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c.run(f"sudo chmod 755 {dest}", hide=hide)
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os.unlink(temp.name)
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# copy normal links
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else:
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c.run(f"sudo cp {script} {dest}", hide=hide)
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# setup core python helper
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core_python = bin_dir.joinpath("core-python")
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temp = NamedTemporaryFile("w", delete=False)
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temp.writelines([
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"#!/bin/bash\n",
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f'exec "{python}" "$@"\n',
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])
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temp.close()
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c.run(f"sudo cp {temp.name} {core_python}", hide=hide)
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c.run(f"sudo chmod 755 {core_python}", hide=hide)
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os.unlink(temp.name)
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# install core configuration file
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config_dir = "/etc/core"
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c.run(f"sudo mkdir -p {config_dir}", hide=hide)
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c.run(f"sudo cp -n daemon/data/core.conf {config_dir}", hide=hide)
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c.run(f"sudo cp -n daemon/data/logging.conf {config_dir}", hide=hide)
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@task(
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help={
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"dev": "install development mode",
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"verbose": "enable verbose",
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"prefix": f"prefix where scripts are installed, default is {DEFAULT_PREFIX}"
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},
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)
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def install(c, dev=False, verbose=False, prefix=DEFAULT_PREFIX):
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"""
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install core, poetry, scripts, service, and ospf mdr
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"""
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print(f"installing core with prefix: {prefix}")
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c.run("sudo -v", hide=True)
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p = Progress(verbose)
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hide = not verbose
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os_info = get_os()
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with p.start("checking for old installations"):
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check_existing_core(c, hide)
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with p.start("installing system dependencies"):
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install_system(c, os_info, hide)
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with p.start("installing system grpcio-tools"):
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install_grpcio(c, hide)
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with p.start("building core"):
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build_core(c, hide, prefix)
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with p.start("installing vcmd/gui"):
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install_core(c, hide)
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with p.start("installing poetry virtual environment"):
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install_poetry(c, dev, hide)
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with p.start("installing scripts and /etc/core"):
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install_scripts(c, hide, prefix)
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with p.start("installing systemd service"):
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install_service(c, hide, prefix)
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with p.start("installing ospf mdr"):
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install_ospf_mdr(c, os_info, hide)
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print("\ninstall complete!")
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@task(
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help={
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"verbose": "enable verbose",
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},
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)
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def install_emane(c, verbose=False):
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"""
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install emane and the python bindings
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"""
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c.run("sudo -v", hide=True)
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p = Progress(verbose)
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hide = not verbose
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os_info = get_os()
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emane_dir = "/tmp/emane"
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with p.start("installing system dependencies"):
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if os_info.like == OsLike.DEBIAN:
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c.run(
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"sudo apt install -y gcc g++ automake libtool libxml2-dev "
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"libprotobuf-dev libpcap-dev libpcre3-dev uuid-dev pkg-config "
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"protobuf-compiler git python3-protobuf python3-setuptools",
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hide=hide,
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)
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elif os_info.like == OsLike.REDHAT:
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if os_info.name == OsName.CENTOS and os_info.version >= 8:
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c.run("sudo yum config-manager --set-enabled PowerTools", hide=hide)
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c.run(
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"sudo yum install -y autoconf automake git libtool libxml2-devel "
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"libpcap-devel pcre-devel libuuid-devel make gcc-c++ protobuf-compiler "
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"protobuf-devel python3-setuptools",
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hide=hide,
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)
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with p.start("cloning emane"):
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c.run(
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f"git clone https://github.com/adjacentlink/emane.git {emane_dir}",
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hide=hide
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)
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with p.start("building emane"):
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with c.cd(emane_dir):
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c.run("./autogen.sh", hide=hide)
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c.run("PYTHON=python3 ./configure --prefix=/usr", hide=hide)
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c.run("make -j$(nproc)", hide=hide)
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with p.start("installing emane"):
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with c.cd(emane_dir):
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c.run("sudo make install", hide=hide)
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with p.start("installing python binding for core"):
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with c.cd(DAEMON_DIR):
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c.run(f"poetry run pip install {emane_dir}/src/python", hide=hide)
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@task(
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help={
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"dev": "uninstall development mode",
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"verbose": "enable verbose",
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"prefix": f"prefix where scripts are installed, default is {DEFAULT_PREFIX}"
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},
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)
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def uninstall(c, dev=False, verbose=False, prefix=DEFAULT_PREFIX):
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"""
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uninstall core, scripts, service, virtual environment, and clean build directory
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"""
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print(f"uninstalling core with prefix: {prefix}")
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hide = not verbose
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p = Progress(verbose)
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c.run("sudo -v", hide=True)
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with p.start("uninstalling core"):
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c.run("sudo make uninstall", hide=hide)
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with p.start("cleaning build directory"):
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c.run("make clean", hide=hide)
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c.run("./bootstrap.sh clean", hide=hide)
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python = get_python(c, warn=True)
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if python:
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with c.cd(DAEMON_DIR):
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if dev:
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with p.start("uninstalling pre-commit"):
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c.run("poetry run pre-commit uninstall", hide=hide)
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with p.start("uninstalling poetry virtual environment"):
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c.run(f"poetry env remove {python}", hide=hide)
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# remove installed files
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bin_dir = Path(prefix).joinpath("bin")
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with p.start("uninstalling script files"):
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for script in Path("daemon/scripts").iterdir():
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dest = bin_dir.joinpath(script.name)
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c.run(f"sudo rm -f {dest}", hide=hide)
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# remove core-python symlink
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core_python = bin_dir.joinpath("core-python")
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c.run(f"sudo rm -f {core_python}", hide=hide)
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# install service
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systemd_dir = Path("/lib/systemd/system/")
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service_name = "core-daemon.service"
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service_file = systemd_dir.joinpath(service_name)
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if service_file.exists():
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with p.start(f"uninstalling service {service_file}"):
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c.run(f"sudo systemctl disable {service_name}", hide=hide)
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c.run(f"sudo rm -f {service_file}", hide=hide)
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@task(
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help={
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"dev": "reinstall development mode",
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"verbose": "enable verbose",
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"prefix": f"prefix where scripts are installed, default is {DEFAULT_PREFIX}",
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"branch": "branch to install latest code from, default is current branch"
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},
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)
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def reinstall(c, dev=False, verbose=False, prefix=DEFAULT_PREFIX, branch=None):
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"""
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run the uninstall task, get latest from specified branch, and run install task
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"""
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uninstall(c, dev, verbose, prefix)
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hide = not verbose
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p = Progress(verbose)
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with p.start("pulling latest code"):
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current = c.run("git rev-parse --abbrev-ref HEAD", hide=hide).stdout.strip()
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if branch and branch != current:
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c.run(f"git checkout {branch}")
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else:
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branch = current
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c.run("git pull", hide=hide)
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if not Path("tasks.py").exists():
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raise FileNotFoundError(f"missing tasks.py on branch: {branch}")
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install(c, dev, verbose, prefix)
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@task
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def daemon(c):
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"""
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start core-daemon
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"""
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python = get_python(c)
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with c.cd(DAEMON_DIR):
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c.run(
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f"sudo {python} scripts/core-daemon "
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"-f data/core.conf -l data/logging.conf",
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pty=True
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)
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@task
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def test(c):
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"""
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run core tests
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"""
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pytest = get_pytest(c)
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with c.cd(DAEMON_DIR):
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c.run(f"sudo {pytest} -v --lf -x tests", pty=True)
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@task
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def test_mock(c):
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"""
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run core tests using mock to avoid running as sudo
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"""
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with c.cd(DAEMON_DIR):
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c.run("poetry run pytest -v --mock --lf -x tests", pty=True)
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@task
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def test_emane(c):
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"""
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run core emane tests
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"""
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pytest = get_pytest(c)
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with c.cd(DAEMON_DIR):
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c.run(f"sudo {pytest} -v --lf -x tests/emane", pty=True)
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