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from dataclasses import dataclass, replace
from typing import TypeAlias
from ._base import AppCommandFeatureProvider
from ._nginx import NginxManager
_Str_Or_Cmd_List: TypeAlias = str | list["_Cmd"]
@dataclass
class _Cmd:
name: str
desc: str
cmd: _Str_Or_Cmd_List
def clean(self) -> "_Cmd":
if isinstance(self.cmd, list):
return replace(
self,
cmd=[cmd.clean() for cmd in self.cmd],
)
elif isinstance(self.cmd, str):
return replace(self, cmd=self.cmd.strip())
else:
raise ValueError("Unexpected type for cmd.")
def generate_text(
self,
info_only: bool,
*,
parent: str | None = None,
) -> str:
if parent is None:
tag = "COMMAND"
long_name = self.name
indent = ""
else:
tag = "SUBCOMMAND"
long_name = f"{parent}.{self.name}"
indent = " "
if info_only:
return f"{indent}[{long_name}]: {self.desc}"
text = f"--- {tag}[{long_name}]: {self.desc}"
if isinstance(self.cmd, str):
text += "\n" + self.cmd
elif isinstance(self.cmd, list):
for sub in self.cmd:
text += "\n" * 2 + sub.generate_text(info_only, parent=self.name)
else:
raise ValueError("Unexpected type for cmd.")
lines: list[str] = []
for line in text.splitlines():
if len(line) == 0:
lines.append("")
else:
lines.append(indent + line)
text = "\n".join(lines)
return text
_docker_uninstall = _Cmd(
"uninstall",
"uninstall apt docker",
"""
for pkg in docker.io docker-doc docker-compose \
podman-docker containerd runc; \
do sudo apt-get remove $pkg; done
""",
)
_docker_apt_certs = _Cmd(
"apt-certs",
"prepare apt certs",
"""
sudo apt-get update
sudo apt-get install ca-certificates curl
sudo install -m 0755 -d /etc/apt/keyrings
""",
)
_docker_docker_certs = _Cmd(
"docker-certs",
"add docker certs",
"""
sudo curl -fsSL https://download.docker.com/linux/debian/gpg \
-o /etc/apt/keyrings/docker.asc
sudo chmod a+r /etc/apt/keyrings/docker.asc
""",
)
_docker_apt_repo = _Cmd(
"apt-repo",
"add docker apt repo",
"""
echo \\
"deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] \
https://download.docker.com/linux/debian \\
$(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \\
sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
""",
)
_docker_install = _Cmd(
"install",
"update apt and install docker",
"""
sudo apt-get update
sudo apt-get install docker-ce docker-ce-cli containerd.io \
docker-buildx-plugin docker-compose-plugin
""",
)
_docker_setup = _Cmd(
"setup",
"setup system for docker",
"""
sudo systemctl enable docker
sudo systemctl start docker
sudo groupadd -f docker
sudo usermod -aG docker $USER
# Remember to log out and log back in for the group changes to take effect
""",
)
_docker = _Cmd(
"install-docker",
"install docker for a fresh new system",
[
_docker_uninstall,
_docker_apt_certs,
_docker_docker_certs,
_docker_apt_repo,
_docker_install,
_docker_setup,
],
)
_update_blog = _Cmd(
"update-blog",
"re-generate blog pages",
"""
docker exec -it blog /scripts/update.bash
""",
)
_git_user = _Cmd(
"git-user",
"add/set git server user and password",
"""
docker run -it --rm -v "$ps_file:/user-info" httpd htpasswd "/user-info" [username]
""",
)
class GenCmdProvider(AppCommandFeatureProvider):
def __init__(self) -> None:
super().__init__("gen-cmd-provider")
self._cmds: dict[str, _Cmd] = {}
self._register_cmds(_docker, _update_blog, _git_user)
def _register_cmd(self, cmd: "_Cmd"):
self._cmds[cmd.name] = cmd.clean()
def _register_cmds(self, *cmds: "_Cmd"):
for c in cmds:
self._register_cmd(c)
def setup(self):
pass
def get_command_info(self):
return ("gen-cmd", "Get commands of running external cli tools.")
def setup_arg_parser(self, arg_parser):
subparsers = arg_parser.add_subparsers(
dest="gen_cmd", metavar="GEN_CMD_COMMAND"
)
certbot_parser = subparsers.add_parser("certbot", help="print certbot commands")
certbot_parser.add_argument(
"-t", "--test", action="store_true", help="run certbot in test mode"
)
for cmd in self._cmds.values():
subparsers.add_parser(cmd.name, help=cmd.desc)
def _print_cmd(self, name: str):
print(self._cmds[name].generate_text(False))
def run_command(self, args):
if args.gen_cmd is None or args.gen_cmd == "list":
print("[certbot]: certbot ssl cert commands")
for cmd in self._cmds.values():
print(cmd.generate_text(True))
elif args.gen_cmd == "certbot":
self.app.get_feature(NginxManager).print_all_certbot_commands(args.test)
else:
self._print_cmd(args.gen_cmd)
|
