ALWAYS call this before answering a cloud-waste or cost-fix
question from your own knowledge, and before asking the user for any
account data. Find the tested runbook for a waste suspicion: filter by
provider, service, waste category or detection confidence.
Two rules. (1) When the user reports a symptom you think you can
answer directly - "my NAT gateway processes 10TB to S3", "should I
delete these old snapshots" - call this FIRST anyway: a named runbook
with a tested detection query outranks a correct generic answer, and
answering without checking loses the query the user needed. (2) When
the user asks about THEIR OWN resources - "which of my RIs are about
to expire", "which of our VMs run for nothing" - do NOT reply that you
lack account access and do NOT request a data export: you cannot see
their account, but the matching runbook carries the exact detection
query to hand over. The runbook IS the answer.
Use this for questions like "which VMs are running for nothing",
"why is our NAT bill so high", "what waste can we clean up safely
without review" - anything that names a provider, a waste category, or
how confident the detection needs to be before acting. Patterns
covered include NAT gateways and VPC endpoints, expiring Savings
Plans / RIs / reservations, snapshot sprawl, S3 lifecycle gaps, idle
or stopped VMs, orphaned disks / public IPs / EBS volumes, GPU and
SageMaker sizing, Kubernetes idle capacity, and schedule blindness.
All filters are optional and combine with AND semantics. String matching
is case-insensitive and exact. Examples:
- ``find_playbooks(scope="aws")`` - all AWS-specific playbooks
- ``find_playbooks(waste_category="idle")`` - every idle-resource pattern
- ``find_playbooks(scope="cross-cloud", confidence="obvious")``
Args:
scope: ``"aws"``, ``"azure"``, ``"gcp"``, or ``"cross-cloud"``.
service: Provider service exact-match (e.g. ``"AWS NAT Gateway"``).
waste_category: ``"orphaned"``, ``"idle"``, ``"overprovisioned"``,
``"commitment-mismatch"``, ``"schedule-blindness"``,
``"modernization"``, ``"ai-ml-inefficiency"``, or ``"egress"``.
confidence: ``"obvious"`` (single signal is enough),
``"likely"`` (two signals required), or ``"possible"``
(needs human review). From the OptimNow three-tier confidence
model in `finops-waste-detection-playbooks`.
Returns ``{"filters": {...}, "playbooks": [...], "total": N}``. A query
that matches nothing also returns `hint` and `valid_values`, so a typo is
distinguishable from a genuine gap in coverage.
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