Huawei Invoke

Huawei Invoke
Certified
Synchronously invoke a Huawei Cloud FunctionGraph function

Invokes a FunctionGraph function synchronously and captures its response. The function output is stored in Kestra internal storage and accessible via {{ outputs.<taskId>.uri }}.

Authentication uses AK/SK request signing. Provide accessKeyId and secretAccessKey via {{ secret('NAME') }}, or configure temporaryCredentials for inline IAM credential exchange.

Set fetchLogs: true to also capture the last ~4 KB of the function's execution logs in the logs output; for full, durable logs use LTS.

If the function runtime reports an error (a non-2xx function execution status), the task throws FunctionGraphInvokeException with a message pointing to the LTS logs. HTTP-level failures (4xx/5xx) are also surfaced as FunctionGraphInvokeException.

yaml
type: io.kestra.plugin.huawei.functiongraph.Invoke

Examples

Invoke a FunctionGraph function with a payload.

yaml
id: functiongraph_invoke
namespace: company.team

tasks:
  - id: invoke
    type: io.kestra.plugin.huawei.functiongraph.Invoke
    accessKeyId: "{{ secret('HUAWEI_AK') }}"
    secretAccessKey: "{{ secret('HUAWEI_SK') }}"
    region: eu-west-101
    functionUrn: "urn:fss:eu-west-101:abc123:function:default:my-fn:latest"
    functionPayload:
      key: value
      date: "2024-01-01"

Invoke a function using the European sovereign cloud endpoint suffix.

yaml
id: functiongraph_invoke_eu
namespace: company.team

tasks:
  - id: invoke
    type: io.kestra.plugin.huawei.functiongraph.Invoke
    accessKeyId: "{{ secret('HUAWEI_AK') }}"
    secretAccessKey: "{{ secret('HUAWEI_SK') }}"
    region: eu-west-101
    endpointSuffix: myhuaweicloud.eu
    functionUrn: "urn:fss:eu-west-101:abc123:function:default:my-fn:latest"

Properties

functionUrn *string

Full URN of the function to invoke

The function URN uniquely identifies the function and version to invoke. Format: urn: fss: <region>: <project_id>: function: <pkg>: <name>: <qualifier>

Example: urn: fss: eu-west-101: abc123: function: default: my-fn: latest

Find the URN in the FunctionGraph console under the function's Configuration tab.

accessKeyId string

Access Key (AK) used to authenticate with Huawei Cloud

Huawei Cloud access key used together with secretAccessKey to sign API requests. Required for AK/SK-based authentication; not required when providing a pre-obtained securityToken. Sensitive — always provide via {{ secret('NAME') }}.

domainId string

Huawei Cloud Account Domain ID

Identifies the Huawei Cloud account (domain). Required when authenticating against global services such as IAM, or when requesting a domain-scoped IAM token.

endpointOverride string

FunctionGraph endpoint URL override

Overrides the default endpoint derived from region and endpointSuffix. Use this for private endpoints, non-standard deployments, or tests. When set, endpointSuffix is ignored.

Format: https://functiongraph.<region>.myhuaweicloud.com (without trailing slash).

endpointSuffix string

Huawei Cloud domain suffix

Controls the top-level domain used when deriving the FunctionGraph endpoint from region. Defaults to myhuaweicloud.com. Set to myhuaweicloud.eu for the Huawei Cloud European sovereign cloud.

Ignored when endpointOverride is set.

fetchLogs booleanstring

Defaultfalse

Capture the function's execution logs

When true, requests the last ~4 KB of the function's execution logs (stdout/stderr) via the X-Cff-Log-Type: tail header. The logs are emitted to the task logs at INFO level and exposed in the logs output. For full, durable logs use LTS instead.

Defaults to false to keep the common invocation path lean.

functionPayload object

Input payload passed to the function

JSON-serializable map sent as the event body to the function. The function receives it as its event parameter. When omitted, an empty body is sent.

pluginDefaultsRef string

Reference (ref) of the pluginDefaults to apply to this task.

projectId string

Huawei Cloud Project ID

Identifies the region-scoped project against which most regional services authenticate. Mutually exclusive with domainId for global services such as IAM.

region string

Huawei Cloud region

Region identifier such as eu-west-101, ap-southeast-1, or cn-north-4.

secretAccessKey string

Secret Key (SK) used to authenticate with Huawei Cloud

Huawei Cloud secret key paired with accessKeyId. Required for AK/SK-based authentication. Sensitive — always provide via {{ secret('NAME') }}.

securityToken string

Pre-obtained Huawei Cloud IAM token used as bearer credential for downstream API calls

When set, downstream Huawei tasks send this value in the X-Auth-Token header instead of signing requests with AK/SK. Sensitive.

temporaryCredentials string

Inline IAM credential exchange

When set, the connection layer calls the Huawei IAM STS API once per task execution and uses the returned temporary AK/SK + security token instead of the static accessKeyId and secretAccessKey properties.

Configure once via pluginDefaults to apply transparently to every task in a namespace without per-task credential wiring:

pluginDefaults: 
  - type: io.kestra.plugin.huawei.obs
    values: 
      region: eu-west-101
      temporaryCredentials: 
        authMethod: PASSWORD
        username: my-iam-user
        password: "{{ secret('HUAWEI_IAM_PASSWORD') }}"
        domainName: my-account-domain
        durationSeconds: 3600

**Long-running tasks: ** the exchange runs once at execution start. For RealtimeTrigger or long-running Consume tasks that outlive durationSeconds, credentials will expire mid-run. Use long-lived AK/SK properties or refresh externally in that case.

Definitions

io.kestra.plugin.huawei.TemporaryCredentialsConfig

authMethodstring

DefaultPASSWORD

Possible Values

PASSWORDTOKEN

Authentication method

Controls which credentials are used to obtain the session token before exchanging for temporary STS credentials.

PASSWORD (default): provide username, password, and domainName.
TOKEN: provide an existing iamToken (X-Auth-Token).

domainNamestring

Account domain name (PASSWORD method only)

The Huawei Cloud account name (domain name) that owns the IAM user. Required when authMethod is PASSWORD. Visible in the Huawei Cloud console under My Credentials → Domain Name.

durationSecondsintegerstring

Default900

Lifetime of the temporary credentials in seconds

How long the returned temporary AK/SK/security-token should remain valid. Huawei Cloud accepts values between 900 (15 minutes) and 86400 (24 hours). Defaults to 900 seconds.

endpointSuffixstring

Defaultmyhuaweicloud.com

Huawei Cloud IAM endpoint suffix

Domain suffix used to build the IAM endpoint URL when no explicit endpoint override is set. Defaults to myhuaweicloud.com. Set to myhuaweicloud.eu for the European sovereign cloud (region eu-west-101 / EU-Dublin).

iamTokenstring

IAM token to exchange (TOKEN method only)

An existing Huawei Cloud X-Auth-Token to exchange for temporary STS credentials. Required when authMethod is TOKEN. Sensitive — always provide via {{ secret('NAME') }}.

passwordstring

IAM password (PASSWORD method only)

Password for the IAM user identified by username. Required when authMethod is PASSWORD. Sensitive — always provide via {{ secret('NAME') }}.

projectNamestring

Project name for project-scoped tokens (PASSWORD method only)

Overrides the project name used for scope=PROJECT token requests. Defaults to the task's region value when omitted, which is correct for most regions.

scopestring

DefaultPROJECT

Possible Values

PROJECTDOMAIN

Token scope (PASSWORD method only)

Scope of the session token obtained during password authentication.

PROJECT (default): token is scoped to the project matching projectName (or the task's region when projectName is omitted). Use for most downstream tasks.
DOMAIN: token is scoped to the domain.