Aliyun Function Compute#

Lithops with Aliyun Function Compute as serverless compute backend.

Installation#

Install Alibaba Cloud backend dependencies:

python3 -m pip install lithops[aliyun]

Access to your console and activate your Functions service instance.

Configuration#

Navigate to the Cloud Console and create a new AccessKey (If you don’t have one)
Access to your Function Compute dashboard, and choose your preferred region.
Access the Resource Access Management (RAM) Roles dashboard, and create a new Role that contains the AliyunOSSFullAccess permission. Alternatively you can use an already created Role that contains the AliyunOSSFullAccess permission.
Edit your Lithops config and add the following keys:

lithops:
    backend : aliyun_fc

aliyun:
    account_id: <ACCOUNT_ID>
    access_key_id: <ACCESS_KEY_ID>
    access_key_secret: <ACCESS_KEY_SECRET>
    region : <REGION_NAME>

aliyun_fc:
    role_arn: <ROLE_ARN>

Your RAM user needs permissions to create, list, invoke, and delete FC 3.0 functions (for example AliyunFCFullAccess). The role_arn is attached to each Lithops worker function so it can access OSS and other services.

Summary of configuration keys for Aliyun#

Group	Key	Mandatory	Additional info
aliyun	account_id	yes	Alibaba Cloud Account ID
aliyun	access_key_id	yes	Access Key Id
aliyun	access_key_secret	yes	Access Key Secret
aliyun	region	yes	Region name. For example: `eu-west-1`

Summary of configuration keys for Alibaba Functions Compute:#

Group	Key	Default	Mandatory	Additional info
aliyun_fc	role_arn		yes	Role ARN. For example: `acs:ram::5244532493961771:role/aliyunfclogexecutionrole`
aliyun_fc	region		no	Region name. For example: `us-east-1`. Lithops will use the region set under the `aliyun` section if it is not set here
aliyun_fc	max_workers	300	no	Max number of workers. Alibaba limits the number of parallel workers to 300
aliyun_fc	worker_processes	1	no	Number of Lithops processes within a given worker. This can be used to parallelize function activations within a worker
aliyun_fc	runtime		no	Runtime name you built and deployed using the lithops client
aliyun_fc	runtime_memory	256	no	Memory limit in MB. Default 256MB
aliyun_fc	runtime_timeout	300	no	Runtime timeout in seconds. Default 5 minutes
aliyun_fc	invoke_pool_threads	300	no	Number of concurrent threads used for invocation
aliyun_fc	deploy_mode	runtime	no	`runtime` (zip + managed Python) or `custom-container` (Docker image)
aliyun_fc	docker_server	docker.io	no	Container registry host (Docker Hub by default)
aliyun_fc	docker_user		no	Docker Hub user/namespace; required for `custom-container`
aliyun_fc	docker_password		no	Registry password or token used when pushing images

Test Lithops#

Once you have your compute and storage backends configured, you can run a Hello World function with:

lithops hello -b aliyun_fc -s aliyun_oss

Viewing the execution logs#

You can view the function executions logs in your local machine using the lithops client:

lithops logs poll

Aliyun Function Compute

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