Chris CoutinhoandClaude Opus 4.8
6aa4b3f7b7
- Collapse _init_worker_observability's docstring to one line; the WHY moves to a concise inline comment (per review). - Note that _fake_settings.ingest_queue is unused by the helper (test realism). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
643 lines
22 KiB
Python
643 lines
22 KiB
Python
import logging
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import os
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from importlib.metadata import version
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import click
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import uvicorn
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from nextcloud_mcp_server.config import (
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Settings,
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get_database_url,
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get_settings,
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is_ephemeral_token_db,
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)
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from nextcloud_mcp_server.migrations import (
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create_migration,
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downgrade_database,
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get_current_revision,
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show_migration_history,
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upgrade_database,
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)
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from nextcloud_mcp_server.observability import (
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get_uvicorn_logging_config,
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setup_logging,
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setup_metrics,
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setup_tracing,
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)
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from nextcloud_mcp_server.server import AVAILABLE_APPS
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from .app import get_app
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logger = logging.getLogger(__name__)
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@click.command()
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@click.option(
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"--host", "-h", default="127.0.0.1", show_default=True, help="Server host"
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)
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@click.option(
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"--port", "-p", type=int, default=8000, show_default=True, help="Server port"
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)
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@click.option(
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"--log-level",
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"-l",
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default="info",
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show_default=True,
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type=click.Choice(["critical", "error", "warning", "info", "debug", "trace"]),
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help="Logging level",
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)
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@click.option(
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"--transport",
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"-t",
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default="streamable-http",
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show_default=True,
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type=click.Choice(["streamable-http", "http", "stdio"]),
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help="MCP transport protocol",
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)
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@click.option(
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"--enable-app",
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"-e",
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multiple=True,
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type=click.Choice(sorted(AVAILABLE_APPS.keys())),
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help="Enable specific Nextcloud app APIs. Can be specified multiple times. If not specified, all apps are enabled.",
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)
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@click.option(
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"--oauth/--no-oauth",
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default=None,
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help="Force OAuth mode (if enabled) or BasicAuth mode (if disabled). By default, auto-detected based on environment variables.",
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)
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@click.option(
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"--oauth-client-id",
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envvar="NEXTCLOUD_OIDC_CLIENT_ID",
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help="OAuth client ID (can also use NEXTCLOUD_OIDC_CLIENT_ID env var)",
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)
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@click.option(
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"--oauth-client-secret",
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envvar="NEXTCLOUD_OIDC_CLIENT_SECRET",
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help="OAuth client secret (can also use NEXTCLOUD_OIDC_CLIENT_SECRET env var)",
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)
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@click.option(
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"--mcp-server-url",
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envvar="NEXTCLOUD_MCP_SERVER_URL",
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default="http://localhost:8000",
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show_default=True,
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help="MCP server URL for OAuth callbacks (can also use NEXTCLOUD_MCP_SERVER_URL env var)",
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)
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@click.option(
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"--nextcloud-host",
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envvar="NEXTCLOUD_HOST",
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help="Nextcloud instance URL (can also use NEXTCLOUD_HOST env var)",
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)
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@click.option(
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"--nextcloud-username",
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envvar="NEXTCLOUD_USERNAME",
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help="Nextcloud username for BasicAuth (can also use NEXTCLOUD_USERNAME env var)",
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)
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@click.option(
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"--nextcloud-password",
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envvar="NEXTCLOUD_PASSWORD",
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help="Nextcloud password for BasicAuth (can also use NEXTCLOUD_PASSWORD env var)",
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)
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@click.option(
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"--oauth-scopes",
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envvar="NEXTCLOUD_OIDC_SCOPES",
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default="openid profile email notes.read notes.write calendar.read calendar.write todo.read todo.write contacts.read contacts.write cookbook.read cookbook.write deck.read deck.write tables.read tables.write files.read files.write sharing.read sharing.write",
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show_default=True,
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help="OAuth scopes to request during client registration. These define the maximum allowed scopes for the client. Note: Actual supported scopes are discovered dynamically from MCP tools at runtime. (can also use NEXTCLOUD_OIDC_SCOPES env var)",
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)
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@click.option(
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"--oauth-token-type",
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envvar="NEXTCLOUD_OIDC_TOKEN_TYPE",
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default="bearer",
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show_default=True,
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type=click.Choice(["bearer", "jwt"], case_sensitive=False),
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help="OAuth token type (can also use NEXTCLOUD_OIDC_TOKEN_TYPE env var)",
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)
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@click.option(
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"--public-issuer-url",
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envvar="NEXTCLOUD_PUBLIC_ISSUER_URL",
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help="Public issuer URL for OAuth (can also use NEXTCLOUD_PUBLIC_ISSUER_URL env var)",
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)
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def run(
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host: str,
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port: int,
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log_level: str,
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transport: str,
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enable_app: tuple[str, ...],
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oauth: bool | None,
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oauth_client_id: str | None,
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oauth_client_secret: str | None,
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mcp_server_url: str,
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nextcloud_host: str | None,
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nextcloud_username: str | None,
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nextcloud_password: str | None,
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oauth_scopes: str,
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oauth_token_type: str,
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public_issuer_url: str | None,
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):
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"""
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Run the Nextcloud MCP server.
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\b
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Authentication Modes:
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- BasicAuth: Set NEXTCLOUD_USERNAME and NEXTCLOUD_PASSWORD
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- OAuth: Leave USERNAME/PASSWORD unset (requires OIDC app enabled)
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\b
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Examples:
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# BasicAuth mode with CLI options
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$ nextcloud-mcp-server --nextcloud-host=https://cloud.example.com \\
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--nextcloud-username=admin --nextcloud-password=secret
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# BasicAuth mode with env vars (recommended for credentials)
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$ export NEXTCLOUD_HOST=https://cloud.example.com
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$ export NEXTCLOUD_USERNAME=admin
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$ export NEXTCLOUD_PASSWORD=secret
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$ nextcloud-mcp-server --host 0.0.0.0 --port 8000
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# OAuth mode with auto-registration
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$ nextcloud-mcp-server --nextcloud-host=https://cloud.example.com --oauth
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# OAuth mode with pre-configured client
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$ nextcloud-mcp-server --nextcloud-host=https://cloud.example.com --oauth \\
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--oauth-client-id=xxx --oauth-client-secret=yyy
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# OAuth mode with custom scopes and JWT tokens
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$ nextcloud-mcp-server --nextcloud-host=https://cloud.example.com --oauth \\
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--oauth-scopes="openid notes.read notes.write" --oauth-token-type=jwt
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# OAuth with public issuer URL (for Docker/proxy setups)
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$ nextcloud-mcp-server --nextcloud-host=http://app --oauth \\
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--public-issuer-url=http://localhost:8080
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# stdio transport for local use (e.g. Claude Code)
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$ nextcloud-mcp-server run --transport stdio
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"""
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# Set env vars from CLI options if provided
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if nextcloud_host:
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os.environ["NEXTCLOUD_HOST"] = nextcloud_host
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if nextcloud_username:
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os.environ["NEXTCLOUD_USERNAME"] = nextcloud_username
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if nextcloud_password:
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os.environ["NEXTCLOUD_PASSWORD"] = nextcloud_password
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if oauth_client_id:
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os.environ["NEXTCLOUD_OIDC_CLIENT_ID"] = oauth_client_id
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if oauth_client_secret:
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os.environ["NEXTCLOUD_OIDC_CLIENT_SECRET"] = oauth_client_secret
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if oauth_scopes:
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os.environ["NEXTCLOUD_OIDC_SCOPES"] = oauth_scopes
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if oauth_token_type:
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os.environ["NEXTCLOUD_OIDC_TOKEN_TYPE"] = oauth_token_type
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if mcp_server_url:
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os.environ["NEXTCLOUD_MCP_SERVER_URL"] = mcp_server_url
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if public_issuer_url:
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os.environ["NEXTCLOUD_PUBLIC_ISSUER_URL"] = public_issuer_url
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# Force OAuth mode if explicitly requested
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if oauth is True:
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# Clear username/password to force OAuth mode
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if "NEXTCLOUD_USERNAME" in os.environ:
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click.echo(
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"Warning: --oauth flag set, ignoring NEXTCLOUD_USERNAME", err=True
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)
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del os.environ["NEXTCLOUD_USERNAME"]
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if "NEXTCLOUD_PASSWORD" in os.environ:
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click.echo(
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"Warning: --oauth flag set, ignoring NEXTCLOUD_PASSWORD", err=True
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)
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del os.environ["NEXTCLOUD_PASSWORD"]
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# Validate OAuth configuration
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nextcloud_host = os.getenv("NEXTCLOUD_HOST")
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if not nextcloud_host:
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raise click.ClickException(
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"OAuth mode requires NEXTCLOUD_HOST environment variable to be set"
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)
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# Check if we have client credentials OR if dynamic registration is possible
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has_client_creds = os.getenv("NEXTCLOUD_OIDC_CLIENT_ID") and os.getenv(
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"NEXTCLOUD_OIDC_CLIENT_SECRET"
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)
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if not has_client_creds:
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# No client credentials - will attempt dynamic registration
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# Show helpful message before server starts
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click.echo("", err=True)
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click.echo("OAuth Configuration:", err=True)
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click.echo(" Mode: Dynamic Client Registration", err=True)
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click.echo(" Host: " + nextcloud_host, err=True)
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click.echo(" Storage: SQLite (TOKEN_STORAGE_DB)", err=True)
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click.echo("", err=True)
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click.echo(
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"Note: Make sure 'Dynamic Client Registration' is enabled", err=True
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)
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click.echo(" in your Nextcloud OIDC app settings.", err=True)
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click.echo("", err=True)
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else:
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click.echo("", err=True)
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click.echo("OAuth Configuration:", err=True)
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click.echo(" Mode: Pre-configured Client", err=True)
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click.echo(" Host: " + nextcloud_host, err=True)
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click.echo(
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" Client ID: "
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+ os.getenv("NEXTCLOUD_OIDC_CLIENT_ID", "")[:16]
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+ "...",
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err=True,
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)
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click.echo("", err=True)
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elif oauth is False:
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# Force BasicAuth mode - verify credentials exist
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if not os.getenv("NEXTCLOUD_USERNAME") or not os.getenv("NEXTCLOUD_PASSWORD"):
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raise click.ClickException(
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"--no-oauth flag set but NEXTCLOUD_USERNAME or NEXTCLOUD_PASSWORD not set"
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)
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enabled_apps = list(enable_app) if enable_app else None
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if transport == "stdio":
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if oauth is True:
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raise click.ClickException(
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"stdio transport does not support OAuth mode. "
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"Use single-user BasicAuth with NEXTCLOUD_HOST, "
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"NEXTCLOUD_USERNAME, and NEXTCLOUD_PASSWORD."
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)
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from .stdio import get_stdio_mcp # noqa: PLC0415
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try:
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mcp = get_stdio_mcp(enabled_apps=enabled_apps)
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except ValueError as e:
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raise click.ClickException(str(e)) from e
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mcp.run(transport="stdio")
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return
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app = get_app(transport=transport, enabled_apps=enabled_apps)
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# Get observability settings and create uvicorn logging config
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settings = get_settings()
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uvicorn_log_config = get_uvicorn_logging_config(
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log_format=settings.log_format,
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log_level=settings.log_level,
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include_trace_context=settings.log_include_trace_context,
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)
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uvicorn.run(
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app=app,
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host=host,
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port=port,
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log_level=log_level,
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log_config=uvicorn_log_config,
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)
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def _init_worker_observability(settings: Settings) -> None:
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"""Configure logging, metrics, and tracing for the standalone ingest worker."""
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# Mirrors app.py's lifespan bootstrap; without it the worker's astrolabe_*
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# metrics and document_processor.parse spans are invisible in external mode.
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# Structured logging first, so every subsequent startup line is JSON like
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# the API's — the worker entrypoint never went through uvicorn's log_config.
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setup_logging(
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log_format=settings.log_format,
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log_level=settings.log_level,
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include_trace_context=settings.log_include_trace_context,
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)
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if settings.metrics_enabled:
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setup_metrics(port=settings.metrics_port)
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logger.info(
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"Prometheus metrics enabled on dedicated port %s", settings.metrics_port
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)
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if settings.otel_exporter_otlp_endpoint:
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setup_tracing(
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service_name=settings.otel_service_name,
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otlp_endpoint=settings.otel_exporter_otlp_endpoint,
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otlp_verify_ssl=settings.otel_exporter_verify_ssl,
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sampling_rate=settings.otel_traces_sampler_arg,
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)
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logger.info(
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"OpenTelemetry tracing enabled (endpoint: %s)",
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settings.otel_exporter_otlp_endpoint,
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)
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else:
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logger.info(
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"OpenTelemetry tracing disabled (set OTEL_EXPORTER_OTLP_ENDPOINT to enable)"
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)
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@click.command()
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@click.option(
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"--concurrency",
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"-c",
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type=int,
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default=None,
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help="Max concurrent jobs. Defaults to VECTOR_SYNC_PROCESSOR_WORKERS.",
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)
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def worker(concurrency: int | None):
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"""Run the ingest worker (Deck #183).
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\b
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Drains the per-tenant Postgres ingest queue (procrastinate): for each
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deferred document it fetches the content as the owning user, parses, chunks,
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embeds, and upserts into Qdrant. This is the scale-to-zero ``worker`` role of
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the api/worker split; run it as a separate Deployment from the API pod.
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\b
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Requires INGEST_QUEUE=postgres (a PostgreSQL DATABASE_URL); procrastinate is
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Postgres-only.
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\b
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Example:
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$ export DATABASE_URL=postgresql+asyncpg://mcp:mcp@db/mcp
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$ nextcloud-mcp-server worker -c 4
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"""
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import anyio # noqa: PLC0415
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settings = get_settings()
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if settings.ingest_queue != "postgres":
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raise click.ClickException(
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"worker requires INGEST_QUEUE=postgres (a PostgreSQL DATABASE_URL); "
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f"resolved INGEST_QUEUE={settings.ingest_queue!r}"
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)
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# Initialize observability here, not in a lifespan — the worker never runs
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# uvicorn, so it skips app.py's bootstrap (the WHY lives in the helper's
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# docstring). Done after the queue check so a misconfig fails fast.
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_init_worker_observability(settings)
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from nextcloud_mcp_server.vector.queue.procrastinate import ( # noqa: PLC0415
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INGEST_QUEUE_NAME,
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apply_ingest_queue_schema,
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get_procrastinate_app,
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)
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# This is the consumer side of the distributed (postgres) ingest backend.
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# Unlike the in-process anyio pool, the worker talks to procrastinate's App
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# directly (run_worker_async), so it does NOT go through IngestTransport —
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# DistributedTransport.run_consumers is a deliberate no-op precisely because
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# this separate process is the consumer (see vector/queue/transport.py).
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workers = concurrency or settings.vector_sync_processor_workers
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app = get_procrastinate_app()
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# Register the configured document processors (Unstructured / Tesseract /
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# custom HTTP) in the worker process. The always-on API pod does this in its
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# lifespan; the worker has its own startup path, so without this the worker
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# would silently fall back to the import-time-registered PyMuPDF only.
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from nextcloud_mcp_server.app import initialize_document_processors # noqa: PLC0415
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initialize_document_processors()
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async def _run() -> None:
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# Open the connector pool once and reuse it for both the defensive
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# schema apply (the always-on API pod is the authoritative applier) and
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# the worker loop — manage_connection=False avoids a redundant
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# open/close cycle on startup.
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async with app.open_async():
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await apply_ingest_queue_schema(app, manage_connection=False)
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# Structured log (not click.echo) so it lands in the JSON / OTel
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# pipeline like every other startup message.
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logger.info(
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"Ingest worker started: queue=%s concurrency=%s delete_succeeded=%s",
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INGEST_QUEUE_NAME,
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workers,
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settings.ingest_delete_succeeded_jobs,
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)
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await app.run_worker_async(
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queues=[INGEST_QUEUE_NAME],
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concurrency=workers,
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install_signal_handlers=True,
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# Drop succeeded jobs (default) so the queue table stays lean and
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# the KEDA queue-depth metric reflects only outstanding work; set
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# INGEST_DELETE_SUCCEEDED_JOBS=false to retain them for audit.
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delete_jobs="successful"
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if settings.ingest_delete_succeeded_jobs
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else "never",
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)
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anyio.run(_run)
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@click.group()
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def db():
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"""Database migration management commands."""
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pass
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def _resolve_db_url(database_url: str | None, database_path: str | None) -> str:
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"""Pick the database URL for a CLI subcommand.
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Priority: explicit ``--database-url`` > legacy ``--database-path``
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(treated as a SQLite file) > :func:`get_database_url` (honors
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``DATABASE_URL`` env or falls back to the ephemeral SQLite tempfile).
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"""
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if database_url:
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return database_url
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if database_path:
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return f"sqlite+aiosqlite:///{database_path}"
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return get_database_url()
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def _warn_if_ephemeral(database_url: str) -> None:
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"""Warn when the resolved URL is the per-process SQLite tempfile."""
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if not database_url.startswith(
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"sqlite+aiosqlite:///"
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) and not database_url.startswith("sqlite:///"):
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return
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path = database_url.split("///", 1)[1]
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if is_ephemeral_token_db(path):
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click.echo(
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click.style(
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f"⚠ Using ephemeral tempfile {path}; changes "
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"will be lost on exit. Pass --database-url / --database-path "
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"or set DATABASE_URL / TOKEN_STORAGE_DB to operate on a "
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"persistent database.",
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fg="yellow",
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),
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err=True,
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)
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def _db_target_options(fn):
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"""Attach the shared ``--database-url`` / ``--database-path`` options.
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Using a decorator factory rather than ``**kwargs`` dict-expansion so
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static type checkers (ty) see ``click.option`` called with literal
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keyword arguments, which is the only form it's typed to accept.
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"""
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fn = click.option(
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"--database-path",
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"-d",
|
|
envvar="TOKEN_STORAGE_DB",
|
|
default=None,
|
|
help="SQLite database file path. Equivalent to "
|
|
"--database-url sqlite+aiosqlite:///<path>.",
|
|
)(fn)
|
|
fn = click.option(
|
|
"--database-url",
|
|
"-u",
|
|
envvar="DATABASE_URL",
|
|
default=None,
|
|
help="SQLAlchemy URL (e.g. postgresql+asyncpg://...). Wins over --database-path.",
|
|
)(fn)
|
|
return fn
|
|
|
|
|
|
@db.command()
|
|
@_db_target_options
|
|
@click.option(
|
|
"--revision",
|
|
"-r",
|
|
default="head",
|
|
show_default=True,
|
|
help="Target revision (default: head for latest)",
|
|
)
|
|
def upgrade(database_url: str | None, database_path: str | None, revision: str):
|
|
"""Upgrade database to a specific revision.
|
|
|
|
\b
|
|
Examples:
|
|
# Upgrade to latest version
|
|
$ nextcloud-mcp-server db upgrade
|
|
|
|
# Upgrade a Postgres backend
|
|
$ nextcloud-mcp-server db upgrade -u postgresql+asyncpg://mcp:mcp@db/mcp
|
|
|
|
# Use custom SQLite path
|
|
$ nextcloud-mcp-server db upgrade -d /path/to/tokens.db
|
|
"""
|
|
url = _resolve_db_url(database_url, database_path)
|
|
_warn_if_ephemeral(url)
|
|
try:
|
|
click.echo(f"Upgrading database to revision: {revision}")
|
|
upgrade_database(url, revision)
|
|
# Apply procrastinate's ingest-queue schema on Postgres so a one-shot
|
|
# migration/init job provisions everything the api + worker roles need
|
|
# (Deck #183). Idempotent + lazy import (Postgres-only extra).
|
|
from nextcloud_mcp_server.config import is_sqlite_url # noqa: PLC0415
|
|
|
|
if not is_sqlite_url(url):
|
|
import anyio # noqa: PLC0415
|
|
|
|
from nextcloud_mcp_server.vector.queue.procrastinate import ( # noqa: PLC0415
|
|
apply_ingest_queue_schema,
|
|
build_app_for_url,
|
|
)
|
|
|
|
anyio.run(apply_ingest_queue_schema, build_app_for_url(url))
|
|
click.echo(click.style("✓ Ingest queue schema applied", fg="green"))
|
|
click.echo(click.style("✓ Database upgraded successfully", fg="green"))
|
|
except Exception as e:
|
|
click.echo(click.style(f"✗ Upgrade failed: {e}", fg="red"), err=True)
|
|
raise click.ClickException(str(e))
|
|
|
|
|
|
@db.command()
|
|
@_db_target_options
|
|
@click.option(
|
|
"--revision",
|
|
"-r",
|
|
default="-1",
|
|
show_default=True,
|
|
help="Target revision (default: -1 for previous version)",
|
|
)
|
|
@click.confirmation_option(
|
|
prompt="Are you sure you want to downgrade the database? This may result in data loss."
|
|
)
|
|
def downgrade(database_url: str | None, database_path: str | None, revision: str):
|
|
"""Downgrade database to a specific revision.
|
|
|
|
WARNING: This may result in data loss! Use with caution.
|
|
"""
|
|
url = _resolve_db_url(database_url, database_path)
|
|
_warn_if_ephemeral(url)
|
|
try:
|
|
click.echo(f"Downgrading database to revision: {revision}")
|
|
downgrade_database(url, revision)
|
|
click.echo(click.style("✓ Database downgraded successfully", fg="green"))
|
|
except Exception as e:
|
|
click.echo(click.style(f"✗ Downgrade failed: {e}", fg="red"), err=True)
|
|
raise click.ClickException(str(e))
|
|
|
|
|
|
@db.command()
|
|
@_db_target_options
|
|
def current(database_url: str | None, database_path: str | None):
|
|
"""Show current database revision."""
|
|
url = _resolve_db_url(database_url, database_path)
|
|
_warn_if_ephemeral(url)
|
|
try:
|
|
revision = get_current_revision(url)
|
|
if revision:
|
|
click.echo(f"Current revision: {click.style(revision, fg='cyan')}")
|
|
else:
|
|
click.echo(
|
|
click.style(
|
|
"Database is not versioned (no alembic_version table)", fg="yellow"
|
|
)
|
|
)
|
|
except Exception as e:
|
|
click.echo(
|
|
click.style(f"✗ Failed to get current revision: {e}", fg="red"), err=True
|
|
)
|
|
raise click.ClickException(str(e))
|
|
|
|
|
|
@db.command()
|
|
@_db_target_options
|
|
def history(database_url: str | None, database_path: str | None):
|
|
"""Show migration history."""
|
|
url = _resolve_db_url(database_url, database_path)
|
|
_warn_if_ephemeral(url)
|
|
try:
|
|
click.echo("Migration history:")
|
|
show_migration_history(url)
|
|
except Exception as e:
|
|
click.echo(click.style(f"✗ Failed to show history: {e}", fg="red"), err=True)
|
|
raise click.ClickException(str(e))
|
|
|
|
|
|
@db.command()
|
|
@click.argument("message")
|
|
def migrate(message: str):
|
|
"""Create a new migration script (developers only).
|
|
|
|
The MESSAGE argument describes the changes in this migration.
|
|
|
|
\b
|
|
Examples:
|
|
$ nextcloud-mcp-server db migrate "add user preferences table"
|
|
$ nextcloud-mcp-server db migrate "add index on refresh_tokens.user_id"
|
|
|
|
Note: You must manually edit the generated migration file to add SQL statements.
|
|
"""
|
|
try:
|
|
click.echo(f"Creating new migration: {message}")
|
|
create_migration(message)
|
|
click.echo(click.style("✓ Migration created successfully", fg="green"))
|
|
click.echo(
|
|
"Edit the migration file in alembic/versions/ to add upgrade/downgrade SQL."
|
|
)
|
|
except Exception as e:
|
|
click.echo(
|
|
click.style(f"✗ Failed to create migration: {e}", fg="red"), err=True
|
|
)
|
|
raise click.ClickException(str(e))
|
|
|
|
|
|
# Create CLI group with subcommands
|
|
@click.group()
|
|
@click.version_option(
|
|
version=version("nextcloud-mcp-server"), prog_name="nextcloud-mcp-server"
|
|
)
|
|
def cli():
|
|
pass
|
|
|
|
|
|
cli.add_command(run)
|
|
cli.add_command(worker)
|
|
cli.add_command(db)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
cli()
|