Get inventory hosts and their metadata, optionally filtered.

Args: filter_criteria: Dictionary of key-value pairs to filter hosts (e.g. {"name": "router1"} or {"role": "core", "site": "tokyo"}). Matches host attributes or data fields.

Run a show command concurrently on multiple hosts via Netmiko.

Args: command: The CLI command to execute (e.g., 'show version'). filter_criteria: Dictionary of key-value pairs to filter target hosts. If empty, runs on ALL hosts! use_textfsm: If True, attempts to parse output into structured data using ntc-templates.

Run an HTTP API request (REST) concurrently on multiple hosts.

Args: method: HTTP method (e.g., 'GET', 'POST', 'PUT'). path: API path to request (e.g., '/api/v1/system'). filter_criteria: Dictionary to filter target hosts. json_data: Optional JSON payload for POST/PUT requests.

Run a CLI command on devices via direct Serial connection (using Netmiko).

Note: Physical serial ports generally cannot be used concurrently by multiple threads, so hosts are processed sequentially (one at a time).

Args: command: The CLI command to execute (e.g., 'show version'). filter_criteria: Dictionary to filter target hosts.

Generate configuration from a Jinja2 template string for each target host. Does NOT deploy the configuration; useful for dry-runs and auditing.

Args: template_string: Jinja2 template string. Available variables: {{ host.name }}, {{ host.hostname }}, {{ host.platform }}, {{ host.groups }}, {{ host.data['key'] }}. Other host attributes (e.g. credentials) are not exposed. filter_criteria: Dictionary to filter target hosts.

WRITE OPERATION: modifies device configuration. Deploy configuration commands concurrently to multiple hosts via Netmiko. Confirm with the user before calling this tool.

Args: commands: List of configuration commands to execute. filter_criteria: Dictionary to filter target hosts.