feat: add cert resolve command and improve discovery logic

This commit is contained in:
Fredrick Amnehagen 2026-02-05 21:04:08 +01:00
parent 6d2dde9a60
commit 069441d3eb
3 changed files with 118 additions and 28 deletions

View file

@ -1,8 +1,10 @@
from .ssh import SSHClient
import fnmatch
import os
import re
class CertificateManager:
def __init__(self, config):
# Certificate manager is on la-vmh-11 (LXC 11215)
node = config.get_node('la-vmh-11')
if not node:
raise ValueError("Node 'la-vmh-11' not found in config")
@ -16,25 +18,50 @@ class CertificateManager:
self.shared_path = "/shared-certs"
def exec_cert(self, cmd):
return self.client.run(f"pct exec {self.lxc_id} -- {cmd}")
# Using bash -c to ensure globbing works if needed, though find is better
return self.client.run(f"pct exec {self.lxc_id} -- bash -c '{cmd}'")
def list_certs(self):
res = self.exec_cert(f"ls -lh {self.shared_path}")
return res.stdout
# Find all .pem files in the root of shared_path
res = self.exec_cert(f"find {self.shared_path} -maxdepth 1 -name \"*.pem\"")
files = [os.path.basename(c) for c in res.stdout.strip().split('\n') if c.strip()]
return "\n".join(sorted(files))
def get_sans(self, cert_filename):
cmd = f"openssl x509 -text -noout -in {self.shared_path}/{cert_filename}"
res = self.exec_cert(cmd)
sans = re.findall(r'DNS:([^, \n]+)', res.stdout)
return sans
def resolve_cert_for_domain(self, domain):
"""Finds which .pem file covers the given domain"""
res = self.exec_cert(f"find {self.shared_path} -maxdepth 1 -name \"*.pem\"")
certs = [os.path.basename(c) for c in res.stdout.strip().split('\n') if c.strip()]
for filename in certs:
sans = self.get_sans(filename)
for san in sans:
# Direct match
if domain.lower() == san.lower():
return filename
# Wildcard match
if san.startswith('*.'):
# Replace *. with nothing for base domain check, or use fnmatch
if fnmatch.fnmatch(domain.lower(), san.lower()):
return filename
return None
def renew(self, force=False):
script_path = "/root/local-config/infra-cert-mgr/scripts/dynamic-san-manager.sh"
cmd = f"bash {script_path}"
if force:
cmd += " --force-update"
res = self.exec_cert(cmd)
if res.returncode != 0:
raise RuntimeError(f"Certificate renewal failed: {res.stderr}")
return res.stdout
def check_expiry(self):
# Checks expiry of the main wildcard cert
cmd = f"openssl x509 -enddate -noout -in {self.shared_path}/loopaware.com.pem"
res = self.exec_cert(cmd)
return res.stdout.strip()

View file

@ -9,6 +9,7 @@ from .cloudflare import CloudflareManager
from .database import DatabaseManager
from .cert import CertificateManager
import sys
import os
@click.group()
@click.option('--config', help='Path to config file')
@ -21,30 +22,45 @@ def cli(ctx, config):
click.echo(f"Error: {e}", err=True)
sys.exit(1)
@cli.group()
def cert():
"""Manage SSL/TLS Certificates"""
pass
@cert.command(name='list')
@cli.command()
@click.option('--domain', help='Public domain to remove from HAProxy and DNS')
@click.option('--mac', help='MAC address to remove from DHCP')
@click.option('--vmid', type=int, help='LXC VMID to destroy')
@click.option('--node', help='Proxmox node for the VMID')
@click.option('--port-name', help='Router port forward section name to delete')
@click.pass_obj
def cert_list(config):
mgr = CertificateManager(config)
click.echo(mgr.list_certs())
def decommission(config, domain, mac, vmid, node, port_name):
"""Orchestrated removal of a service from all infrastructure layers"""
if domain:
click.echo(f"Removing Ingress/DNS for {domain}...")
try:
IngressManager(config).remove(domain)
DNSManager(config).remove_dns(domain)
except Exception as e:
click.echo(f"Warning: Ingress/DNS cleanup failed: {e}")
@cert.command(name='status')
@click.pass_obj
def cert_status(config):
mgr = CertificateManager(config)
click.echo(f"Main Certificate Expiry: {mgr.check_expiry()}")
if mac:
click.echo(f"Removing DHCP reservation for {mac}...")
try:
DNSManager(config).remove_host(mac)
except Exception as e:
click.echo(f"Warning: DHCP cleanup failed: {e}")
@cert.command(name='renew')
@click.option('--force', is_flag=True, help='Force full SAN discovery and renewal')
@click.pass_obj
def cert_renew(config, force):
mgr = CertificateManager(config)
click.echo("Running dynamic SAN manager...")
click.echo(mgr.renew(force))
if port_name:
click.echo(f"Removing Router Port Forward {port_name}...")
try:
RouterManager(config).remove_forward(port_name)
except Exception as e:
click.echo(f"Warning: Router cleanup failed: {e}")
if vmid:
click.echo(f"Destroying LXC {vmid} on {node or 'default node'}...")
try:
ProxmoxManager(config, node).delete_lxc(vmid)
except Exception as e:
click.echo(f"Warning: Proxmox cleanup failed: {e}")
click.echo("Decommission process complete.")
@cli.group()
def db():
@ -332,8 +348,46 @@ def router_list(config):
for rule in mgr.list():
click.echo(f"[{rule['section']}] {rule['name']}: {rule['proto']} {rule['port']} -> {rule['dest']}")
@cli.group()
def cert():
"""Manage SSL/TLS Certificates"""
pass
@cert.command(name='list')
@click.pass_obj
def cert_list(config):
mgr = CertificateManager(config)
click.echo(mgr.list_certs())
@cert.command(name='status')
@click.pass_obj
def cert_status(config):
mgr = CertificateManager(config)
click.echo(f"Main Certificate Expiry: {mgr.check_expiry()}")
@cert.command(name='renew')
@click.option('--force', is_flag=True, help='Force full SAN discovery and renewal')
@click.pass_obj
def cert_renew(config, force):
mgr = CertificateManager(config)
click.echo("Running dynamic SAN manager...")
click.echo(mgr.renew(force))
@cert.command(name='resolve')
@click.argument('domain')
@click.pass_obj
def cert_resolve(config, domain):
"""Find the certificate file covering a specific domain"""
mgr = CertificateManager(config)
cert_file = mgr.resolve_cert_for_domain(domain)
if cert_file:
click.echo(cert_file)
else:
click.echo(f"Error: No certificate found covering {domain}", err=True)
sys.exit(1)
def main():
cli(obj={})
if __name__ == "__main__":
main()
main()

View file

@ -100,6 +100,15 @@ def test_cert_cli():
assert res.returncode == 0
assert "notAfter" in res.stdout
# 3. Resolve
res = run_infra(["cert", "resolve", "loopaware.com"])
assert res.returncode == 0
assert "loopaware.com.pem" in res.stdout
res = run_infra(["cert", "resolve", "wiki.loopaware.com"])
assert res.returncode == 0
assert "loopaware.com.pem" in res.stdout
def test_ip_discovery():
res = run_infra(["ip", "next-free"])
assert res.returncode == 0