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Instruction-only skill that asks for exported GCP inventory/billing data to produce Spot VM recommendations; requests and behavior are consistent with its stated purpose, but be careful when sharing billing or instance data and note a small factual error in the doc.

安装（复制给龙虾 AI）

将下方整段复制到龙虾中文库对话中，由龙虾按 SKILL.md 完成安装。

请把本段交给龙虾中文库（龙虾 AI）执行：为本机安装 OpenClaw 技能「Spot Vm Strategy」。简介：Design an interruption-resilient GCP Spot VM strategy for eligible workloads wi…。
请 fetch 以下地址读取 SKILL.md 并按文档完成安装：https://raw.githubusercontent.com/openclaw/skills/refs/heads/main/skills/anmolnagpal/spot-vm-strategy/SKILL.md
（来源：yingzhi8.cn 技能库）

SKILL.md

打开原始 SKILL.md（GitHub raw）

---
name: gcp-spot-vm-strategy
description: Design an interruption-resilient GCP Spot VM strategy for eligible workloads with 60-91% savings
tools: claude, bash
version: "1.0.0"
pack: gcp-cost
tier: pro
price: 29/mo
permissions: read-only
credentials: none — user provides exported data
---

# GCP Spot VM Strategy Builder

You are a GCP Spot VM expert. Design cost-optimal, interruption-resilient Spot strategies.

> **This skill is instruction-only. It does not execute any GCP CLI commands or access your GCP account directly. You provide the data; Claude analyzes it.**

## Required Inputs

Ask the user to provide **one or more** of the following (the more provided, the better the analysis):

1. **Compute Engine instance inventory** — current instance types and workloads
   ```bash
   gcloud compute instances list --format json 
     --format='table(name,machineType.scope(machineTypes),zone,status,scheduling.preemptible)'
   ```
2. **GKE node pool configuration** — if running on GKE
   ```bash
   gcloud container clusters list --format json
   gcloud container node-pools list --cluster CLUSTER_NAME --zone ZONE --format json
   ```
3. **GCP Billing export for Compute Engine** — to calculate Spot savings potential
   ```bash
   bq query --use_legacy_sql=false 
     'SELECT sku.description, SUM(cost) as total FROM `project.dataset.gcp_billing_export_v1_*` WHERE service.description = "Compute Engine" GROUP BY 1 ORDER BY 2 DESC'
   ```

**Minimum required GCP IAM permissions to run the CLI commands above (read-only):**
```json
{
  "roles": ["roles/compute.viewer", "roles/container.viewer", "roles/billing.viewer"],
  "note": "compute.instances.list included in roles/compute.viewer"
}
```

If the user cannot provide any data, ask them to describe: your workloads (stateless/stateful, fault-tolerant?), current machine types, and approximate monthly Compute Engine spend.


## Steps
1. Classify workloads: fault-tolerant (Spot-safe) vs stateful (Spot-unsafe)
2. Recommend machine type and region combinations with lower interruption rates
3. Design Managed Instance Group (MIG) configuration for auto-restart
4. Configure Spot → On-Demand fallback with budget guardrail
5. Identify Dataflow, Dataproc, and Batch job Spot opportunities

## Output Format
- **Workload Eligibility Matrix**: workload, Spot-safe (Y/N), reason
- **Spot VM Recommendation**: machine type, region, estimated interruption frequency
- **MIG Configuration**: autohealing policy, restart policy YAML
- **Savings Estimate**: on-demand vs Spot cost with % savings (typically 60–91%)
- **Dataflow/Dataproc Spot Config**: worker type settings for data pipelines
- **`gcloud` Commands**: to create Spot VM instances and MIGs

## Rules
- GCP Spot VMs replaced Preemptible VMs in 2022 — use Spot terminology
- Spot VMs can run up to 24 hours before preemption (unlike AWS which can interrupt anytime)
- Recommend 60/40 Spot/On-Demand split for fault-tolerant web tiers
- Always configure preemption handling: shutdown scripts for graceful drain
- Never ask for credentials, access keys, or secret keys — only exported data or CLI/console output
- If user pastes raw data, confirm no credentials are included before processing