forked from mirrors/thatmattlove-hyperglass
implement CLI setup wizard
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parent
bf31d74c35
commit
dbf6628e8b
2 changed files with 199 additions and 54 deletions
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@ -1,19 +1,22 @@
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"""CLI utility functions."""
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# Standard Library
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import os
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import shutil
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from typing import Iterable
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from pathlib import Path
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# Third Party
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import click
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from click import echo, style
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# Project
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from hyperglass.cli.echo import info, error, status, success
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from hyperglass.cli.static import CL, NL, WS, VALUE, SUCCESS, E
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from hyperglass.cli.echo import info, error, status, success, warning
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from hyperglass.cli.static import CL, NL, WS, E
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PROJECT_ROOT = Path(__file__).parent.parent
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def async_command(func):
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"""Decororator for to make async functions runable from syncronous code."""
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"""Decororator for to make async functions runable from synchronous code."""
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import asyncio
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from functools import update_wrapper
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@ -44,9 +47,9 @@ def fix_ownership(user, group, directory):
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os.chown(full_path, uid, gid)
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os.chown(root, uid, gid)
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except Exception as e:
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error("Failed to change 'hyperglass/' ownership", e)
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error("Failed to change '{d}' ownership: {e}", d="hyperglass/", e=e)
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success("Successfully changed 'hyperglass/' ownership")
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success("Successfully changed '{d}' ownership", d="hyperglass/")
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def fix_permissions(directory):
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@ -63,9 +66,9 @@ def fix_permissions(directory):
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os.chmod(full_path, 0o744)
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os.chmod(root, 0o744)
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except Exception as e:
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error("Failed to change 'hyperglass/' permissions", e)
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error("Failed to change '{d}' ownership: {e}", d="hyperglass/", e=e)
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success("Successfully changed 'hyperglass/' permissions")
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success("Successfully changed '{d}' ownership", d="hyperglass/")
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def start_web_server(start, params):
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@ -76,18 +79,18 @@ def start_web_server(start, params):
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msg_port = str(params["port"])
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msg_len = len("".join([msg_start, WS[1], msg_uri, msg_host, CL[1], msg_port]))
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try:
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click.echo(
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echo(
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NL[1]
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+ WS[msg_len + 8]
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+ E.ROCKET
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+ NL[1]
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+ E.CHECK
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+ click.style(msg_start, fg="green", bold=True)
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+ style(msg_start, fg="green", bold=True)
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+ WS[1]
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+ click.style(msg_uri, fg="white")
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+ click.style(msg_host, fg="blue", bold=True)
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+ click.style(CL[1], fg="white")
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+ click.style(msg_port, fg="magenta", bold=True)
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+ style(msg_uri, fg="white")
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+ style(msg_host, fg="blue", bold=True)
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+ style(CL[1], fg="white")
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+ style(msg_port, fg="magenta", bold=True)
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+ WS[1]
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+ E.ROCKET
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+ NL[1]
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@ -97,7 +100,7 @@ def start_web_server(start, params):
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start()
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except Exception as e:
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error("Failed to start test server", e)
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error("Failed to start web server: {e}", e=e)
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def migrate_config(config_dir):
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@ -112,25 +115,25 @@ def migrate_config(config_dir):
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config_dir = Path(config_dir)
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if not config_dir.exists():
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error(f"{str(config_dir)} does not exist")
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error("'{d}' does not exist", d=str(config_dir))
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migrated = 0
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for file in examples:
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target_file = config_dir / file.with_suffix("").name
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try:
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if target_file.exists():
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info(f"{str(target_file)} already exists")
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info("{f} already exists", f=str(target_file))
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else:
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shutil.copyfile(file, target_file)
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migrated += 1
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info(f"Migrated {str(target_file)}")
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info("Migrated {f}", f=str(target_file))
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except Exception as e:
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error(f"Failed to migrate {str(target_file)}", e)
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error("Failed to migrate '{f}': {e}", f=str(target_file), e=e)
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if migrated == 0:
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info(f"Migrated {migrated} example config files")
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info("Migrated {n} example config files", n=migrated)
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elif migrated > 0:
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success(f"Successfully migrated {migrated} example config files")
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success("Successfully migrated {n} example config files", n=migrated)
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def migrate_systemd(source, destination):
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@ -145,28 +148,28 @@ def migrate_systemd(source, destination):
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status("Migrating example systemd service...")
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if os.path.exists(newfile):
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info(f"{newfile} already exists")
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info("'{f}' already exists", f=str(newfile))
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else:
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shutil.copyfile(source, newfile)
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except Exception as e:
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error("Error migrating example systemd service", e)
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error("Error migrating example systemd service: {e}", e=e)
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success(f"Successfully migrated systemd service to: {newfile}")
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success("Successfully migrated systemd service to: {f}", f=str(newfile))
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def build_ui():
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"""Create a new UI build.
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Raises:
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click.ClickException: Raised on any errors.
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ClickException: Raised on any errors.
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"""
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try:
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import asyncio
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from hyperglass.configuration import params, frontend_params
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from hyperglass.configuration import params, frontend_params, CONFIG_PATH
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from hyperglass.util import build_frontend
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except ImportError as e:
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error("Error importing UI builder", e)
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error("Error importing UI builder: {e}", e=e)
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status("Starting new UI build...")
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@ -176,27 +179,182 @@ def build_ui():
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dev_mode = "development"
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try:
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success = asyncio.run(
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build_success = asyncio.run(
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build_frontend(
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dev_mode=params.developer_mode,
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dev_url=f"http://localhost:{str(params.listen_port)}/api/",
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dev_url=f"http://localhost:{str(params.listen_port)}/",
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prod_url="/api/",
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params=frontend_params,
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force=True,
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app_path=CONFIG_PATH,
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)
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)
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if success:
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click.echo(
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NL[1]
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+ E.CHECK
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+ click.style("Completed UI build in", **SUCCESS)
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+ WS[1]
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+ click.style(dev_mode, **VALUE)
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+ WS[1]
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+ click.style("mode", **SUCCESS)
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+ NL[1]
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)
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if build_success:
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success("Completed UI build in {m} mode", m=dev_mode)
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except Exception as e:
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error("Error building UI", e)
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error("Error building UI: {e}", e=e)
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return True
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def create_dir(path, **kwargs):
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"""Validate and attempt to create a directory, if it does not exist."""
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if not isinstance(path, Path):
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# If input path is not a path object, try to make it one
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try:
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path = Path(path)
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except TypeError:
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error("{p} is not a valid path", p=path)
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if not path.exists():
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# If path does not exist, try to create it
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try:
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path.mkdir(**kwargs)
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except PermissionError:
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error(
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"{u} does not have permission to create {p}. Try running with sudo?",
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u=os.getlogin(),
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p=path,
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)
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if path.exists():
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# Verify the path was actually created
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success("Created {p}", p=path)
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elif path.exists():
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# If the path already exists, inform the user
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info("{p} already exists", p=path)
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return True
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def move_files(src, dst, files): # noqa: C901
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"""Move iterable of files from source to destination.
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Arguments:
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src {Path} -- Current directory of files
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dst {Path} -- Target destination directory
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files {Iterable} -- Iterable of files
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"""
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if not isinstance(src, Path):
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try:
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src = Path(src)
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except TypeError:
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error("{p} is not a valid path", p=src)
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if not isinstance(dst, Path):
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try:
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dst = Path(dst)
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except TypeError:
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error("{p} is not a valid path", p=dst)
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if not isinstance(files, Iterable):
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error(
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"{fa} must be an iterable (list, tuple, or generator). Received {f}",
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fa="Files argument",
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f=files,
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)
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for path in (src, dst):
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if not path.exists():
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error("{p} does not exist", p=str(path))
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migrated = 0
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for file in files:
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dst_file = dst / file.name
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if not file.exists():
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error("{f} does not exist", f=file)
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try:
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if dst_file.exists():
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warning("{f} already exists", f=dst_file)
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else:
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shutil.copyfile(file, dst_file)
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migrated += 1
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info("Migrated {f}", f=dst_file)
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except Exception as e:
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error("Failed to migrate {f}: {e}", f=dst_file, e=e)
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if migrated == 0:
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warning("Migrated {n} files", n=migrated)
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elif migrated > 0:
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success("Successfully migrated {n} files", n=migrated)
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return True
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def make_systemd(user):
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"""Generate a systemd file based on the local system.
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Arguments:
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user {str} -- User hyperglass needs to be run as
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Returns:
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{str} -- Generated systemd template
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"""
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import platform
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template = """
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[Unit]
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Description=hyperglass
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After=network.target
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Requires={redis_name}
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[Service]
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User={user}
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Group={group}
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ExecStart={hyperglass_path} start
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[Install]
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WantedBy=multi-user.target
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"""
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known_rhel = ("rhel", "centos")
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distro = platform.linux_distribution()
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if distro[0] in known_rhel:
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redis_name = "redis"
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else:
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redis_name = "redis-server"
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hyperglass_path = shutil.which("hyperglass")
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if not hyperglass_path:
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hyperglass_path = "python3 -m hyperglass.console"
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warning("hyperglass executable not found, using {h}", h=hyperglass_path)
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systemd = template.format(
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redis_name=redis_name, user=user, group=user, hyperglass_path=hyperglass_path
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)
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info(f"Generated systemd service:\n{systemd}")
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return systemd
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def write_to_file(file, data):
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"""Write string data to a file.
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Arguments:
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file {Path} -- File path
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data {str} -- String data to write
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Returns:
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{bool} -- True if successful
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"""
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try:
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with file.open("w+") as f:
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f.write(data.strip())
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except PermissionError:
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error(
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"{u} does not have permission to write to {f}. Try running with sudo?",
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u=os.getlogin(),
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f=file,
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)
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if not file.exists():
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error("Error writing file {f}", f=file)
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elif file.exists():
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success("Wrote systemd file {f}", f=file)
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return True
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@ -1,13 +0,0 @@
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[Unit]
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Description=hyperglass
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After=network.target
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Requires=redis-server.service
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[Service]
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User=www-data
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Group=www-data
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WorkingDirectory=/opt/hyperglass
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ExecStart=/usr/local/bin/python3 -m sanic hyperglass.web.app
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[Install]
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WantedBy=multi-user.target
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