feat: add automation and inspection scripts for Nginx Proxy Manager and Authentik integration

This commit is contained in:
2026-11-12 17:08:14 -05:00
parent 5a70460e89
commit 113ebdc7c5
8 changed files with 262 additions and 7 deletions

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import paramiko
c = paramiko.SSHClient()
c.set_missing_host_key_policy(paramiko.AutoAddPolicy())
c.connect("140.44.4.71", username="root", key_filename=r'C:\Users\Snarf\.ssh\id_ed25519_snarfnet', timeout=10)
adv_config = """# Buffer tuning for Authentik headers
proxy_buffers 8 16k;
proxy_buffer_size 32k;
# Outpost verification route - plain HTTP to internal VIP
location /outpost.goauthentik.io {
auth_request off;
proxy_pass http://140.44.4.29:9000/outpost.goauthentik.io;
proxy_set_header Host authentik.snarfnet.net;
proxy_set_header X-Original-URL $scheme://$http_host$request_uri;
add_header Set-Cookie $auth_cookie;
auth_request_set $auth_cookie $upstream_http_set_cookie;
proxy_pass_request_body off;
proxy_set_header Content-Length "";
}
# Redirect to Authentik when unauthenticated
location @goauthentik_proxy_signin {
internal;
auth_request off;
add_header Set-Cookie $auth_cookie;
return 302 https://authentik.snarfnet.net/outpost.goauthentik.io/start?rd=$scheme://$http_host$request_uri;
}
# Protected Topology HTML (Interactive)
location = /topology.html {
auth_request /outpost.goauthentik.io/auth/nginx;
error_page 401 = @goauthentik_proxy_signin;
auth_request_set $auth_cookie $upstream_http_set_cookie;
add_header Set-Cookie $auth_cookie;
alias /data/topology/snarfnet_homelab_topology.html;
default_type text/html;
}
# Protected Topology PNG (High-Res Image)
location = /topology.png {
auth_request /outpost.goauthentik.io/auth/nginx;
error_page 401 = @goauthentik_proxy_signin;
auth_request_set $auth_cookie $upstream_http_set_cookie;
add_header Set-Cookie $auth_cookie;
alias /data/topology/snarfnet_homelab_topology.png;
default_type image/png;
}
location = /snarfnet_homelab_topology.html {
auth_request /outpost.goauthentik.io/auth/nginx;
error_page 401 = @goauthentik_proxy_signin;
auth_request_set $auth_cookie $upstream_http_set_cookie;
add_header Set-Cookie $auth_cookie;
alias /data/topology/snarfnet_homelab_topology.html;
default_type text/html;
}
location = /snarfnet_homelab_topology.png {
auth_request /outpost.goauthentik.io/auth/nginx;
error_page 401 = @goauthentik_proxy_signin;
auth_request_set $auth_cookie $upstream_http_set_cookie;
add_header Set-Cookie $auth_cookie;
alias /data/topology/snarfnet_homelab_topology.png;
default_type image/png;
}
"""
# Upload adv_config to a file on remote
stdin, stdout, stderr = c.exec_command("cat > /tmp/adv_config_h21.txt")
stdin.write(adv_config)
stdin.close()
stdout.read()
remote_script = """import sqlite3, shutil, os
db_path = '/var/lib/docker/volumes/nginx-proxy-manager_nginx-data/_data/database.sqlite'
conf_path = '/var/lib/docker/volumes/nginx-proxy-manager_nginx-data/_data/nginx/proxy_host/21.conf'
with open('/tmp/adv_config_h21.txt', 'r') as f:
adv = f.read()
# 1. Backup
shutil.copy(db_path, db_path + '.bak_authentik')
shutil.copy(conf_path, conf_path + '.bak_authentik')
# 2. Update DB
conn = sqlite3.connect(db_path)
cur = conn.cursor()
cur.execute("UPDATE proxy_host SET advanced_config = ? WHERE id = 21", (adv,))
conn.commit()
conn.close()
print("Updated database for host 21.")
# 3. Read conf, replace or insert adv
with open(conf_path, 'r') as f:
conf = f.read()
if '# Buffer tuning for Authentik headers' not in conf:
idx = conf.find('location / {')
if idx != -1:
new_conf = conf[:idx] + adv + "\\n\\n " + conf[idx:]
else:
new_conf = conf.rstrip().rstrip('}') + "\\n\\n" + adv + "\\n}\\n"
with open(conf_path, 'w') as f:
f.write(new_conf)
print("Updated 21.conf.")
else:
print("21.conf already has Authentik configuration.")
"""
stdin, stdout, stderr = c.exec_command("cat > /tmp/apply_h21.py")
stdin.write(remote_script)
stdin.close()
stdout.read()
stdin, stdout, stderr = c.exec_command("python3 /tmp/apply_h21.py")
print("Remote python stdout:", stdout.read().decode())
print("Remote python stderr:", stderr.read().decode())
# Test nginx config inside container
stdin, stdout, stderr = c.exec_command("docker exec $(docker ps -q --filter 'name=nginx-proxy-manager_app') nginx -t")
out = stdout.read().decode()
err = stderr.read().decode()
print("nginx -t stdout:", out)
print("nginx -t stderr:", err)
if "successful" in out or "successful" in err:
print("Nginx syntax OK! Reloading nginx...")
stdin, stdout, stderr = c.exec_command("docker exec $(docker ps -q --filter 'name=nginx-proxy-manager_app') nginx -s reload")
print("Reload stdout:", stdout.read().decode())
print("Reload stderr:", stderr.read().decode())
else:
print("FAILED nginx -t test! Restoring backups...")
c.exec_command("cp /var/lib/docker/volumes/nginx-proxy-manager_nginx-data/_data/nginx/proxy_host/21.conf.bak_authentik /var/lib/docker/volumes/nginx-proxy-manager_nginx-data/_data/nginx/proxy_host/21.conf")
c.exec_command("cp /var/lib/docker/volumes/nginx-proxy-manager_nginx-data/_data/database.sqlite.bak_authentik /var/lib/docker/volumes/nginx-proxy-manager_nginx-data/_data/database.sqlite")
c.close()

9
scripts/cat_21_conf.py Normal file
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import paramiko
c = paramiko.SSHClient()
c.set_missing_host_key_policy(paramiko.AutoAddPolicy())
c.connect('140.44.4.71', username='root', key_filename=r'C:\Users\Snarf\.ssh\id_ed25519_snarfnet', timeout=10)
cmd = "docker exec $(docker ps -q --filter name=nginx-proxy-manager_app) cat /data/nginx/proxy_host/21.conf"
_, o, _ = c.exec_command(cmd)
print(o.read().decode())
c.close()

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import urllib.request, ssl, re
ctx = ssl.create_default_context()
ctx.check_hostname = False
ctx.verify_mode = ssl.CERT_NONE
req = urllib.request.Request('https://homepage.snarfnet.net/', headers={'User-Agent': 'Mozilla/5.0'})
resp = urllib.request.urlopen(req, context=ctx)
html = resp.read().decode('utf-8')
for pat in [r'href="([^"]+)"', r'src="([^"]+)"']:
matches = re.findall(pat, html)
for m in matches:
if any(k in m for k in ['argo', 'tempest', 'weather', 'icon', 'png', 'svg']):
print(m)

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@@ -2,14 +2,14 @@ import paramiko
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect('140.44.4.71', username='snarf', key_filename=r'C:\Users\Snarf\.ssh\id_ed25519_snarfnet', timeout=10)
ssh.connect('140.44.4.71', username='root', key_filename=r'C:\Users\Snarf\.ssh\id_ed25519_snarfnet', timeout=10)
cmd = "sudo docker exec $(sudo docker ps -q --filter 'name=nginx-proxy-manager_app') sh -c \"python3 -c \\\"import sqlite3; con = sqlite3.connect('/data/database.sqlite'); cur = con.cursor(); print('\\n'.join(str(r) for r in cur.execute('SELECT id, domain_names, forward_host, forward_port, forward_scheme, enabled FROM proxy_host WHERE is_deleted=0')))\\\"\""
stdin, stdout, stderr = ssh.exec_command(cmd)
stdin, stdout, stderr = ssh.exec_command("docker exec $(docker ps -q --filter 'name=nginx-proxy-manager_app') cat /app/templates/proxy_host.conf")
print("--- TEMPLATE ---")
print(stdout.read().decode())
stdin, stdout, stderr = ssh.exec_command("cat /var/lib/docker/volumes/nginx-proxy-manager_nginx-data/_data/nginx/proxy_host/21.conf")
print("--- 21.CONF ---")
print(stdout.read().decode())
err = stderr.read().decode()
if err:
print("ERR:", err)
ssh.close()

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import paramiko
c = paramiko.SSHClient()
c.set_missing_host_key_policy(paramiko.AutoAddPolicy())
c.connect("140.44.4.71", username="root", key_filename=r'C:\Users\Snarf\.ssh\id_ed25519_snarfnet', timeout=10)
# Create /data/topology directory on host
c.exec_command("mkdir -p /var/lib/docker/volumes/nginx-proxy-manager_nginx-data/_data/topology")
# Read topology files locally
with open('docs/snarfnet_homelab_topology.html', 'r', encoding='utf-8') as f:
html_data = f.read()
with open('docs/snarfnet_homelab_topology.png', 'rb') as f:
png_data = f.read()
# Send html
stdin, stdout, stderr = c.exec_command("cat > /var/lib/docker/volumes/nginx-proxy-manager_nginx-data/_data/topology/snarfnet_homelab_topology.html")
stdin.write(html_data)
stdin.close()
stdout.read()
# Send png
stdin, stdout, stderr = c.exec_command("cat > /var/lib/docker/volumes/nginx-proxy-manager_nginx-data/_data/topology/snarfnet_homelab_topology.png")
stdin.write(png_data)
stdin.close()
stdout.read()
# Verify files inside NPM container
cmd = "docker exec $(docker ps -q --filter name=nginx-proxy-manager_app) ls -la /data/topology"
_, o, e = c.exec_command(cmd)
print("Files inside NPM container at /data/topology:\n" + o.read().decode())
print("Stderr:\n" + e.read().decode())
c.close()

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scripts/inspect_host21.py Normal file
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import paramiko
c = paramiko.SSHClient()
c.set_missing_host_key_policy(paramiko.AutoAddPolicy())
c.connect("140.44.4.71", username="root", key_filename=r'C:\Users\Snarf\.ssh\id_ed25519_snarfnet', timeout=10)
py_script = """import sqlite3
conn = sqlite3.connect('/var/lib/docker/volumes/nginx-proxy-manager_nginx-data/_data/database.sqlite')
cur = conn.cursor()
cur.execute('SELECT id, domain_names, forward_host, forward_port, advanced_config FROM proxy_host WHERE id = 21')
r = cur.fetchone()
print('Host 21:', r[1], '->', r[2], r[3])
print('Advanced config length:', len(r[4]) if r[4] else 0)
if r[4]:
print(r[4])
conn.close()
"""
stdin, stdout, stderr = c.exec_command("cat > /tmp/check_h21.py")
stdin.write(py_script)
stdin.close()
stdout.read()
stdin, stdout, stderr = c.exec_command("python3 /tmp/check_h21.py")
print(stdout.read().decode())
print(stderr.read().decode())
c.close()

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import paramiko
c = paramiko.SSHClient()
c.set_missing_host_key_policy(paramiko.AutoAddPolicy())
c.connect('140.44.4.71', username='root', key_filename=r'C:\Users\Snarf\.ssh\id_ed25519_snarfnet', timeout=10)
_, o, _ = c.exec_command('docker ps --filter name=nginx')
print("Docker ps:\n" + o.read().decode())
cmd = "docker inspect $(docker ps -q --filter name=nginx-proxy-manager_app) --format '{{json .Mounts}}'"
_, o, _ = c.exec_command(cmd)
print("Mounts:\n" + o.read().decode())
c.close()

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scripts/test_npm_exec.py Normal file
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import paramiko
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect('140.44.4.71', username='root', key_filename=r'C:\Users\Snarf\.ssh\id_ed25519_snarfnet', timeout=10)
cmd = "docker exec $(docker ps -q --filter 'name=nginx-proxy-manager_app') ls -la /data/topology"
stdin, stdout, stderr = ssh.exec_command(cmd)
print("ls /data/topology:", stdout.read().decode())
ssh.close()