pup（小狗）

Purpose

Use this skill when you need to query Datadog for observability data: searching logs, querying time-series metrics, aggregating log statistics, listing available metrics, or inspecting metric metadata. pup is a CLI wrapper around Datadog APIs.

When to use what

Metrics

• pup metrics query: Query time-series metric data with aggregation, filtering, and grouping. Primary command for metric analysis.
• pup metrics search: Same query syntax as query but uses the simpler v1 API. Use when you don't need v2 timeseries formula semantics.
• pup metrics list: Discover available metric names. Use with --filter to narrow by pattern.
• pup metrics metadata get: Read metadata (description, unit, type) for a specific metric.
• pup metrics tags list: List available tags for a specific metric.

Logs

• pup logs query: Query logs using the v2 API (recommended). Supports timezone and flexible sorting.
• pup logs search: Search logs using the v1 API. Simpler but less capable than query.
• pup logs list: List logs with basic filtering. Lightest-weight log retrieval.
• pup logs aggregate: Statistical analysis on logs -- count, avg, percentile, cardinality, grouped by field.

Core concepts

• Output format: Use -o table for human-readable output, -o json for machine-readable. Default is json.
• Time ranges: --from and --to accept relative values (1h, 30m, 7d, 1w, 1M) or absolute unix timestamps. --to defaults to now.
• Metric query syntax: <aggregation>:<metric_name>{<filter>} [by {<group>}]

- Aggregations: avg, sum, min, max, count - Filters: tag key-value pairs like {env:prod}, {host:web-*}, or {*} for all - Grouping: by {service}, by {host,env}

• Log query syntax: Uses Datadog search syntax

- By field: status:error, service:web-app, host:i-* - By attribute: @http.status_code:500, @user.id:12345 - Boolean: AND, OR, NOT, negation with -status:info - Phrase: "exact phrase" - Wildcard: host:i-*

Recommended workflow

Investigating a metric

1. Discover metrics: pup metrics list --filter="<pattern>" to find relevant metric names.
2. Inspect metadata: pup metrics metadata get <metric> to understand unit and type.
3. Check tags: pup metrics tags list <metric> to see available dimensions.
4. Query data: pup metrics query --query="avg:<metric>{<filter>} by {<group>}" --from="1h"

Investigating logs

1. Start broad: pup logs search --query="status:error" --from="1h" --limit=10 to see recent errors.
2. Narrow down: Add filters like service:X AND @http.status_code:500.
3. Aggregate for patterns: pup logs aggregate --query="status:error" --from="1h" --compute="count" --group-by="service" to find which services are failing.
4. Deep dive: pup logs query --query="service:failing-svc AND status:error" --from="1h" --limit=100 for full log details.

Important tips

• Prefer -o json when processing output programmatically; use -o table when presenting to users.
• For log searches, --limit defaults to 50 (max 1000 for search, configurable for query/list).
• Metric queries return time-series arrays with timestamps -- the data points are in the series field of the JSON output.
• Log aggregate --compute supports: count, avg(@field), sum(@field), min(@field), max(@field), cardinality(@field), percentile(@field, N).
• Use --group-by with aggregate to break down results by any log field or attribute.
• Time ranges are relative to now: 1h means "1 hour ago to now", 7d means "7 days ago to now".