104 lines
3.4 KiB
Python
104 lines
3.4 KiB
Python
# ssh_manager/edit_host.py
|
|
|
|
import os
|
|
from collections import OrderedDict
|
|
from .utils import print_error, print_warning, print_info
|
|
|
|
def load_config_file(file_path):
|
|
"""
|
|
Parse the given config file into a list of host blocks (OrderedDict).
|
|
"""
|
|
blocks = []
|
|
host_data = None
|
|
|
|
try:
|
|
with open(file_path, 'r') as f:
|
|
lines = f.readlines()
|
|
except Exception as e:
|
|
print_error(f"Error reading SSH config file {file_path}: {e}")
|
|
return blocks
|
|
|
|
for line in lines:
|
|
stripped_line = line.strip()
|
|
if not stripped_line or stripped_line.startswith('#'):
|
|
continue
|
|
|
|
if stripped_line.lower().startswith('host '):
|
|
host_labels = stripped_line.split()[1:]
|
|
for label in host_labels:
|
|
if '*' not in label:
|
|
if host_data:
|
|
blocks.append(host_data)
|
|
host_data = OrderedDict({'Host': label})
|
|
break
|
|
elif host_data:
|
|
if ' ' in stripped_line:
|
|
key, value = stripped_line.split(None, 1)
|
|
host_data[key] = value.strip()
|
|
|
|
if host_data:
|
|
blocks.append(host_data)
|
|
return blocks
|
|
|
|
def edit_host(conf_dir):
|
|
"""
|
|
Let the user update fields for an existing host in ~/.ssh/conf/<label>/config.
|
|
"""
|
|
host_label = input("Enter the Host label to edit: ").strip()
|
|
if not host_label:
|
|
print_error("Host label cannot be empty.")
|
|
return
|
|
|
|
host_dir = os.path.join(conf_dir, host_label)
|
|
config_path = os.path.join(host_dir, "config")
|
|
if not os.path.isfile(config_path):
|
|
print_warning(f"No config file found at {config_path}; cannot edit this host.")
|
|
return
|
|
|
|
blocks = load_config_file(config_path)
|
|
if not blocks:
|
|
print_warning(f"No valid Host blocks found in {config_path}")
|
|
return
|
|
|
|
target_block = None
|
|
for b in blocks:
|
|
if b.get("Host") == host_label:
|
|
target_block = b
|
|
break
|
|
|
|
if not target_block:
|
|
print_warning(f"No matching Host '{host_label}' found in {config_path}")
|
|
return
|
|
|
|
old_hostname = target_block.get("HostName", "")
|
|
old_user = target_block.get("User", "")
|
|
old_port = target_block.get("Port", "22")
|
|
old_identity = target_block.get("IdentityFile", "")
|
|
|
|
print_info("Leave a field blank to keep its current value.")
|
|
new_hostname = input(f"Enter new HostName [{old_hostname}]: ").strip()
|
|
new_user = input(f"Enter new User [{old_user}]: ").strip()
|
|
new_port = input(f"Enter new Port [{old_port}]: ").strip()
|
|
new_ident = input(f"Enter new IdentityFile [{old_identity}]: ").strip()
|
|
|
|
final_hostname = new_hostname if new_hostname else old_hostname
|
|
final_user = new_user if new_user else old_user
|
|
final_port = new_port if new_port else old_port
|
|
final_ident = new_ident if new_ident else old_identity
|
|
|
|
new_config_lines = [
|
|
f"Host {host_label}",
|
|
f" HostName {final_hostname}",
|
|
f" User {final_user}",
|
|
f" Port {final_port}"
|
|
]
|
|
if final_ident:
|
|
new_config_lines.append(f" IdentityFile {final_ident}")
|
|
|
|
try:
|
|
with open(config_path, "w") as f:
|
|
for line in new_config_lines:
|
|
f.write(line + "\n")
|
|
print_info(f"Updated config at: {config_path}")
|
|
except Exception as e:
|
|
print_error(f"Failed to update config: {e}")
|