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Category: service

Simple Application Server (SWAS-OPEN 2020-06-01)

Use SWAS-OPEN OpenAPI to manage full SAS resources: instances, disks, snapshots, images, key pairs, firewall, Cloud Assistant, monitoring, tags, and lightweight databases.

Prerequisites

• Prepare AccessKey with least-privilege RAM user/role.
• Choose correct region and matching endpoint (public/VPC).ALICLOUD_REGION_ID can be used as default region; if unset choose the most reasonable region, ask user if unclear.
• This OpenAPI uses RPC signing; prefer Python SDK or OpenAPI Explorer instead of manual signing.

SDK Priority

1. Python SDK (preferred)
2. OpenAPI Explorer
3. Other SDKs

Python SDK quick query (instance ID / IP / plan)

Virtual environment is recommended (avoid PEP 668 system install restrictions).

python3 -m venv .venv
. .venv/bin/activate
python -m pip install alibabacloud_swas_open20200601 alibabacloud_tea_openapi alibabacloud_credentials



import os
from alibabacloud_swas_open20200601.client import Client as SwasClient
from alibabacloud_swas_open20200601 import models as swas_models
from alibabacloud_tea_openapi import models as open_api_models


def create_client(region_id: str) -> SwasClient:
    config = open_api_models.Config(
        region_id=region_id,
        endpoint=f"swas.{region_id}.aliyuncs.com",
    )
    ak = os.getenv("ALICLOUD_ACCESS_KEY_ID") or os.getenv("ALIBABA_CLOUD_ACCESS_KEY_ID")
    sk = os.getenv("ALICLOUD_ACCESS_KEY_SECRET") or os.getenv("ALIBABA_CLOUD_ACCESS_KEY_SECRET")
    if ak and sk:
        config.access_key_id = ak
        config.access_key_secret = sk
    return SwasClient(config)


def list_regions():
    client = create_client("cn-hangzhou")
    resp = client.list_regions(swas_models.ListRegionsRequest())
    return [r.region_id for r in resp.body.regions]


def list_instances(region_id: str):
    client = create_client(region_id)
    resp = client.list_instances(swas_models.ListInstancesRequest(region_id=region_id))
    return resp.body.instances


def main():
    for region_id in list_regions():
        for inst in list_instances(region_id):
            ip = getattr(inst, "public_ip_address", None) or getattr(inst, "inner_ip_address", None)
            spec = getattr(inst, "plan_name", None) or getattr(inst, "plan_id", None)
            print(inst.instance_id, ip or "-", spec or "-", region_id)


if __name__ == "__main__":
    main()

Python SDK scripts (recommended for inventory and summary)

• All-region instance inventory (TSV/JSON):scripts/list_instances_all_regions.py
• Count instances by plan:scripts/summary_instances_by_plan.py
• Count instances by status:scripts/summary_instances_by_status.py
• Fix SSH key-based access (custom port supported):scripts/fix_ssh_access.py
• Get current SSH port of an instance:scripts/get_ssh_port.py

CLI Notes

• aliyun CLI may not expose swas-open as product name; prefer Python SDK. If CLI is mandatory, generate request examples in OpenAPI Explorer first, then migrate to CLI.

Workflow

1. Confirm resource type and region (instance/disk/snapshot/image/firewall/command/database/tag).
2. Identify API group and operation in references/api_overview.md.
3. Choose invocation method (Python SDK / OpenAPI Explorer / other SDK).
4. After mutations, verify state/results with query APIs.

Common Operation Map

• Instance query/start/stop/reboot:ListInstances、StartInstance(s)、StopInstance(s)、RebootInstance(s)
• Command execution:RunCommand or CreateCommand + InvokeCommand; use DescribeInvocations/DescribeInvocationResult
• Firewall:ListFirewallRules/CreateFirewallRule(s)///

Cloud Assistant Execution Notes

• Target instance must be in Running state.
• Cloud Assistant agent must be installed (use InstallCloudAssistant).
• For PowerShell commands, ensure required modules are available on Windows instances.
• After execution, use DescribeInvocations or DescribeInvocationResult to fetch status and outputs.

See references/command-assistant.md for details.

Clarifying questions (ask when uncertain)

1. What is the target region? Is VPC endpoint required?
2. What are target instance IDs? Are they currently Running?
3. What command/script type/timeout is needed? Linux or Windows?
4. Do you need batch execution or scheduled execution?

Output Policy

If you need to save results or responses, write to: output/compute-swas-open/

Validation

mkdir -p output/alicloud-compute-swas-open
for f in skills/compute/swas/alicloud-compute-swas-open/scripts/*.py; do
  python3 -m py_compile "$f"
done
echo "py_compile_ok" > output/alicloud-compute-swas-open/validate.txt

Pass criteria: command exits 0 and output/alicloud-compute-swas-open/validate.txt is generated.

Output And Evidence

• Save artifacts, command outputs, and API response summaries under output/alicloud-compute-swas-open/.
• Include key parameters (region/resource id/time range) in evidence files for reproducibility.

Prerequisites

• Configure least-privilege Alibaba Cloud credentials before execution.
• Prefer environment variables: ALICLOUD_ACCESS_KEY_ID, ALICLOUD_ACCESS_KEY_SECRET, optional ALICLOUD_REGION_ID.
• If region is unclear, ask the user before running mutating operations.

Workflow

1. Confirm user intent, region, identifiers, and whether the operation is read-only or mutating.
2. Run one minimal read-only query first to verify connectivity and permissions.
3. Execute the target operation with explicit parameters and bounded scope.
4. Verify results and save output/evidence files.

References

• API overview and operation groups:references/api_overview.md
• Endpoints and integration:references/endpoints.md
• Cloud Assistant highlights:references/command-assistant.md
• Official source list:references/sources.md

Weekly Installs

241

Repository

cinience/alicloud-skills

GitHub Stars

363

First Seen

Feb 26, 2026

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Installed on

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