Lagun
A minimal, web-based MySQL/MariaDB GUI editor. Install it, run it, use it.
Features
- Web-based SQL editor with syntax highlighting, autocompletion, and multi-tab support
- Multi-statement execution — run multiple statements at once, each result shown in its own sub-tab
- Schema browser — explore databases, tables, columns, and indexes; resizable sidebar
- Schema management — create, modify, and drop tables, columns, and indexes
- In-line data editing — edit cells, insert rows, delete rows directly in the grid
- Import & export — CSV and SQL formats with streaming for large datasets; export respects active column filters
- Query history — full SQL with word wrap, copy or load any entry back into the editor
- Bookmarks — save and organize frequently used tables
- Connection management — import and export connection configs
- Secure connections — SSL/TLS, credentials stored in OS keyring, encrypted session backup
- LDAP/AD authentication — optional, via ldapgate
Install
pip install lagun
Usage
lagun serve
Opens the GUI in your browser. Connect to any MySQL or MariaDB database from there.
Options:
--host TEXT Bind host. [default: 127.0.0.1]
--port INTEGER Bind port. [default: 8080]
--no-open Don't open the browser automatically.
--ldap-config PATH Path to ldapgate YAML config to enable LDAP authentication.
LDAP Authentication
Lagun can require users to log in via LDAP/AD before accessing the editor. This uses ldapgate as FastAPI middleware — no separate proxy process needed.
pip install 'lagun[ldap]'
lagun serve --ldap-config /path/to/ldapgate.yaml
Shared connections and audit log
For LDAP deployments, an administrator can provide connections centrally and limit each one to selected LDAP usernames:
export LAGUN_DBS_PASSWORD='database-password'
lagun serve --ldap-config /etc/lagun/ldap.yaml --connections-config /etc/lagun/connections.yaml
connections:
- id: dbs-production
name: DBS Production
host: mariadb.internal
port: 3306
username: shared_mariadb_user
password_env: LAGUN_DBS_PASSWORD
default: true
selected_databases: [app, analytics]
allowed_users: [alice, bob]
Listed users can use the connection but cannot edit it. Removing it in the UI
only hides it for that user. LDAP users may also create private connections;
those are visible only to their owner. Edit this file and restart Lagun to
change shared access. Set selected_databases to limit the visible schema
browser/search scope for a managed connection; omit it or use an empty list to
show all non-system schemas the database user can access.
LDAP API activity is recorded in Lagun's local lagun.db, not in MariaDB.
By default that database is ~/.lagun/lagun.db; set LAGUN_DB to relocate the
whole local store (saved connections, settings, and audit events), for example
LAGUN_DB=/var/lib/lagun/lagun.db. Read it from the server with lagun audit and purge old entries with
lagun audit purge --older-than 90.
For direct local HTTP usage, set proxy.secure_cookies: false in the ldapgate
config. Keep secure_cookies: true in production and run Lagun behind HTTPS
with trusted_proxies configured so LDAPGate can honor X-Forwarded-Proto.
When LDAP is enabled, a logout button appears in the top-right corner of the tab bar.
See the ldapgate README for config file documentation.
Screenshots
Development
Requires uv.
git clone https://github.com/anudeepd/lagun
cd lagun
uv sync
uv run lagun serve
License
MIT
1 maintainer
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