aspire otel logs command

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Name

aspire otel logs - View structured logs from the Dashboard telemetry API.

Synopsis

aspire otel logs [resource] [options]

Description

The aspire otel logs command retrieves and displays structured logs collected by the Aspire Dashboard. You can filter logs by resource name, trace ID, or severity level. Use --follow to stream logs in real-time as they arrive.

Arguments

[resource]

Filter by resource name. When specified, only logs from the matching resource are shown. Supports both exact instance names and base resource names (which match all replicas).

Options

The following options are available:

--apphost <apphost>

The path to the Aspire AppHost project file. Mutually exclusive with --dashboard-url.
--dashboard-url <url>

The URL of a standalone Aspire Dashboard to query instead of discovering one from an AppHost. Accepts a base URL (for example, http://localhost:18888) or a full login URL including a browser token (for example, http://localhost:18888/login?t=<token>). When a login URL is provided, the token is automatically exchanged for an API key. Mutually exclusive with --apphost.
--api-key <key>

The API key used to authenticate with the dashboard’s Telemetry API. Only required when --dashboard-url is specified and the dashboard is configured with ApiKey authentication and no login URL is provided.
-f, --follow

Stream telemetry in real-time as it arrives.
--format <Table|Json>

Output format (Table or Json).
-n, --limit <limit>

Maximum number of items to return.
--trace-id <trace-id>

Filter by trace ID.
--severity <severity>

Filter logs by minimum severity (Trace, Debug, Information, Warning, Error, Critical).
-?, -h, --help

Prints help and usage documentation for the available commands and options.
-l, --log-level <Critical|Debug|Error|Information|None|Trace|Warning>

Set the minimum log level for console output. Use this option to increase diagnostics while troubleshooting or reduce output in scripted runs.
--non-interactive

Run the command in non-interactive mode, disabling all interactive prompts and spinners.
--nologo

Suppress the startup banner and telemetry notice.
--banner

Display the animated Aspire CLI welcome banner.
--wait-for-debugger

Wait for a debugger to attach before running a command.

Examples

View all structured logs:
Aspire CLI
```
aspire otel logs
```
View logs for a specific resource:
Aspire CLI
```
aspire otel logs apiservice
```
Stream logs in real-time:
Aspire CLI
```
aspire otel logs --follow
```

View only error-level logs in JSON format:

aspire otel logs --severity Error --format Json

View the last 50 logs for a resource:
Aspire CLI
```
aspire otel logs apiservice --limit 50
```
View logs from a standalone dashboard using the login URL (token is automatically exchanged for an API key):
Aspire CLI
```
aspire otel logs --dashboard-url "http://localhost:18888/login?t=<token>"
```

View logs from a secured standalone Aspire Dashboard:

aspire otel logs --dashboard-url "http://localhost:18888" --api-key "<your-api-key>"