feat: expand free IP discovery to 10.32.70.x - 10.32.80.x range
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2 changed files with 43 additions and 20 deletions
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@ -57,23 +57,46 @@ class DNSManager:
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dns = self.exec_lxc(f"cat {self.dns_file}").stdout
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return {"hosts": hosts, "dns": dns}
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def get_free_ips(self, range_start=1, range_end=254, subnet="10.32.70"):
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"""Finds free IPs in the specified range by checking both static and dynamic leases"""
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# 1. Get all static IPs from dhcp-hosts.conf and dynamic-hosts.conf
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static_configs = self.exec_lxc(f"cat /etc/dnsmasq.d/dhcp-hosts.conf {self.hosts_file} 2>/dev/null").stdout
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import re
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used_ips = set(re.findall(r'[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}', static_configs))
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# 2. Get all active dynamic leases
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leases = self.exec_lxc("cat /var/lib/misc/dnsmasq.leases 2>/dev/null").stdout
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used_ips.update(set(re.findall(r'[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}', leases)))
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def get_free_ips(self, start_subnet=70, end_subnet=80):
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# 3. Find first available in the agent range
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free_ips = []
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for i in range(range_start, range_end + 1):
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candidate = f"{subnet}.{i}"
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if candidate not in used_ips:
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free_ips.append(candidate)
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if len(free_ips) >= 10: # Just return the top 10
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break
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return free_ips
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"""Finds free IPs in the range 10.32.[70-80].1-254 by checking both static and dynamic leases"""
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# 1. Get all static IPs from dhcp-hosts.conf and dynamic-hosts.conf
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static_configs = self.exec_lxc(f"cat /etc/dnsmasq.d/dhcp-hosts.conf {self.hosts_file} 2>/dev/null").stdout
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import re
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used_ips = set(re.findall(r'10\.32\.[0-9]{1,3}\.[0-9]{1,3}', static_configs))
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# 2. Get all active dynamic leases
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leases = self.exec_lxc("cat /var/lib/misc/dnsmasq.leases 2>/dev/null").stdout
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used_ips.update(set(re.findall(r'10\.32\.[0-9]{1,3}\.[0-9]{1,3}', leases)))
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# 3. Find first available in the expanded agent range
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free_ips = []
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for subnet_idx in range(start_subnet, end_subnet + 1):
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for host_idx in range(1, 255):
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candidate = f"10.32.{subnet_idx}.{host_idx}"
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if candidate not in used_ips:
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free_ips.append(candidate)
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if len(free_ips) >= 10: # Return top 10
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return free_ips
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return free_ips
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