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FunctionGraph
FunctionGraph
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What's New
Function Overview
Service Overview
FunctionGraph Infographics
What Is FunctionGraph?
Product Features
Product Advantages
Application Scenarios
Function Types
Event Functions
HTTP Functions
Notes and Constraints
Billing
Security
Shared Responsibilities
Asset Identification and Management
Identity Authentication and Access Control
Data Protection
Audit and Logs
Resilience
Security Risk Monitoring
Certificates
Code Signature
Permissions Management
Concepts
Relationships Between FunctionGraph and Other Services
Billing
Billing Overview
Billing Modes
Overview
Pay-per-Use Billing
Billing Items
Billing Examples
Free Tier
Renewing Subscriptions
Bills
Arrears
Billing Termination
Billing FAQ
Getting Started
Introduction
Creating a Function from Scratch
Creating a Function Using a Template
Deploying a Function Using a Container Image
Developing an HTTP Function
Developing an Event Function
Getting Started with Common Practices
User Guide
Before You Start
Use of FunctionGraph
Permissions Management
Creating a User and Granting Permissions
Creating a Custom Policy
Supported Programming Languages
Node.js
Python
Java
Go
C#
PHP
Custom Runtime
Building Functions
Creating a Deployment Package
Creating a Function from Scratch
Creating an Event Function
Creating an HTTP Function
Creating a Function Using a Template
Deploying a Function Using a Container Image
Deploying a Function Using Terraform
Introduction
Prerequisites
Obtaining an Access Key
Preparing the Terraform Environment
Basic Terraform Syntax
Writing a Function Resource Script
Creating a Function by Running Terraform Commands
Configuring Functions
Configuring Initialization
Configuring Basic Settings
Configuring Agency Permissions
Configuring the Network
Configuring Disk Mounting
Configuring Environment Variables
Configuring Asynchronous Execution Notification
Configuring Single-Instance Multi-Concurrency
Managing Versions
Managing Aliases
Configuring Dynamic Memory
Configuring Heartbeat Function
Configuring Tags
Configuring Snapshot-based Cold Start
Configuring a Log Group and Log Stream
Shared VPC
Online Debugging
Creating Triggers
Managing Triggers
Using a Timer Trigger
Using an APIG (Dedicated) Trigger
Using an OBS Trigger
Using a Kafka Trigger
Using a DIS Trigger
Using an SMN Trigger
Using an LTS Trigger
Using a CTS Trigger
Using a DDS Trigger
Using a GaussDB(for Mongo) Trigger
Using an APIG Trigger
Using an APIC Trigger
Using a DMS (for RabbitMQ) Trigger
Using an Open-Source Kafka Trigger
Cron Expressions for a Function Timer Trigger
Invoking the Function
Synchronous Invocation
Asynchronous Invocation
Retry Mechanism
Monitoring
Metrics
Function Monitoring
Function Metrics
Creating an Alarm Rule
Logs
Querying Function Logs
Managing Function Logs
Tracing
Function Management
Dependency Management
Configuring Dependency Packages
Dependent Libraries
Public Dependencies
What Is a Public Dependency?
Public Dependency Demos
Linear Regression with TensorFlow
Linear Regression with PyTorch
sklearn
Gym
Reserved Instance Management (Old)
Reserved Instance Management
Flow Management
Flow Overview
Creating a Flow
Managing Flow Executions
Creating a Flow Trigger
Processing Stream Files
Increasing Resource Quota
Audit
Operations Logged by CTS
Querying Real-Time Traces
Developer Guide
Overview
Function Development
Supported Event Sources
Function Project Packaging Rules
Referencing DLLs in Functions
Initializer
Node.js
Developing an Event Function
Developing an HTTP Function
Node.js Template
Creating a Dependency
Python
Developing an Event Function
Python Template
Creating a Dependency
Java
Developing an Event Function
Developing Functions in Java (Using Eclipse)
Developing Functions in Java (Using an IDEA Java Project)
Developing Functions in Java (Using an IDEA Maven Project)
Java Template
Creating a Dependency
Go
Developing an Event Function
C#
Developing an Event Function
C# Function Development
JSON Serialization and Deserialization
Using .NET Core CLI
Using Visual Studio
PHP
Developing an Event Function
Creating a Dependency
Development Tools
Local Debugging with VSCode
Eclipse Plug-in
PyCharm Plug-in
Serverless Devs
Introduction
Key Configuration
Using Commands
deploy
Overview
Command Parsing
deploy function
deploy trigger
version
Overview
version list
version publish
Project Migration fun2s
remove
remove Commands
Command Parsing
remove function
remove trigger
remove version
remove alias
alias
Overview
Command Parsing
alias get
alias list
alias publish
remove alias
YAML File
Description of the function Field
Description of the triggers Field
Huawei Cloud FunctionGraph YAML Specifications
Global Parameters of Serverless Devs
Serverless Framework
User Guide
Introduction
Core Concepts
Quick Start
Installation
Credentials
Service
Functions
Events
Deploy
Package
Variables
CLI Reference
Create
Install
Package
Deploy
Info
Invoke
Logs
Remove
Event list
APIG Events
OBS Events
API Reference
Before You Start
Overview
API Calling
Endpoints
Constraints
Concepts
FunctionGraph Models
Function Model
Trigger Management Models
API Overview
Calling APIs
Making an API Request
Authentication
Response
Examples
Example 1: Using a Timer Trigger to Periodically Download Files from an OBS Bucket
Example 2: Using an APIG Trigger to Obtain a Static Web Page
Example 3: Creating a Function by Uploading Code to an OBS Bucket
Example 4: Using a Function to Invoke a Subfunction
Extension and OpenTelemetry APIs
Extension APIs
Introduction
Procedure
Creating an Extension Dependency
Extension API Reference
API Methods
Connecting to SkyWalking with an Extension
Telemetry APIs
Introduction
Using OpenTelemetry APIs with an Extension
Registering OpenTelemetry APIs
Processing Telemetry Data
APIs
Function Invocation
Executing a Function Synchronously
Executing a Function Asynchronously
Executing a Function Asynchronously and Returning Reserved Instance IDs(Discarded)
Function Quotas
Querying Tenant Quotas
Dependencies
Querying Dependencies
Creating a Dependency(To Be Discarded)
Creating a Dependency Version
Querying Dependency Versions
Querying a Dependency Version
Deleting a Dependency Version
Deleting a Dependency(To Be Discarded)
Querying a Dependency(To Be Discarded)
Updating a Dependency
Test Events
Querying Test Events of a Function
Creating a Test Event
Deleting a Test Event
Obtaining the Details of a Test Event
Updating a Test Event
Function Tracing
Querying Tracing Configuration
Modifying Tracing Configuration
Function Lifecycle Management
Querying Functions
Creating a Function
Deleting a Function or Function Version
Querying the Code of a Function
Modifying the Code of a Function
Querying the Metadata of a Function
Modifying the Metadata of a Function
Updating Max. Instances of a Function
Querying Function Tags
Enabling or Disabling the Snapshot Function
Querying ServiceBridge Functions Bound to a Specified Function
Querying Snapshot Status
Querying Resource Tags
Querying Resources
Deleting Resource Tags
Creating Resource Tags
Creating a VPC Endpoint
Deleting a VPC Endpoint
Updating the Pinning Status of a Function
Querying the Available ServiceBridge Version
Versions and Aliases
Querying All Versions and Aliases of a Function
Creating an Alias for a Function Version
Deleting an Alias of a Function Version
Querying the Alias of a Function Version
Modifying the Alias of a Function Version
Querying the Versions of a Function
Publishing a Function Version
Function Metrics
Querying Top Functions for a Specified Metric
Querying Tenant-Level Function Statistics
Querying Metrics in a Specified Period
Querying Instance Usage Metrics of a Specified Function
Querying Instance Traffic Metrics of a Function
Function Logs
Querying Details About Asynchronous Invocation Logs
Querying the Log Group and Stream of a Function
Enabling Log Reporting to LTS
Enabling Asynchronous Status Notification
Function Templates
Querying Function Templates
Querying a Specified Function Template
Reserved Instances
Querying Reserved Instances of a Function
Changing the Number of Reserved Instances
Querying the Number of Reserved Instances
Function Import and Export
Exporting a Function
Importing a Function
Function Triggers
Deleting All Triggers of a Function
Querying All Triggers of a Function
Creating a Trigger
Deleting a Trigger
Querying a Trigger
Updating a Trigger
Function Flows
Executing a Flow Synchronously
Executing a Flow Asynchronously
Deleting Flows
Querying a Flow
Creating a Flow
Querying Instances of a Flow
Querying a Flow Instance
Querying Metadata of a Flow Instance
Modifying Metadata of a Flow Instance
Querying Flow Metrics
Querying Metrics of a Flow
Re-executing a Flow
Stopping a Flow
Querying Records of a Flow in Pagination Mode
Calling Back a Flow
Asynchronous Execution Notification
Querying Asynchronous Execution Notification Settings of a Function Version
Deleting Asynchronous Execution Notification Settings
Configuring Asynchronous Execution Notification
Querying Asynchronous Execution Notification Settings of a Function's All Versions
Querying Asynchronous Invocation Requests
Querying Active Asynchronous Invocation Requests
Stopping an Asynchronous Invocation Request
Permissions Policies and Supported Actions
Appendix
Status Codes
Error Codes
Obtaining Account, IAM User, Project, User Group, Region, and Agency Information
FunctionGraph Metrics
Change History
SDK Reference
SDK Overview
Java SDK
Node.js SDK
Python SDK
Go SDK
CLI Reference
Introduction to KooCLI
Installing KooCLI
Invoking a Function
Best Practices
Compressing Images
Introduction
Preparation
Building a Program
Adding an Event Source
Compressing Images
Watermarking Images
Introduction
Preparation
Building a Program
Adding an Event Source
Watermarking Images
Processing DIS Data
Introduction
Preparation
Building a Program
Adding an Event Source
Processing Data
Integrating with LTS to Analyze Logs in Real Time
Introduction
Preparation
Building a Program
Adding an Event Source
Processing Log Data
Other Application Scenarios
Integrating with CTS to Analyze Login/Logout Security
Introduction
Preparation
Building a Program
Adding an Event Source
Processing Operation Records
Periodically Starting or Stopping Huawei Cloud ECSs
Building an HTTP Function with Spring Boot
Creating a FunctionGraph Backend API That Uses a Custom Authorizer
Introduction
Resource Planning
Building a Program
Adding an Event Source
Debugging and Calling the API
Uploading Files with FunctionGraph and APIG
Introduction
Resource Planning
Procedure
Node.js
Python
Processing IoT Data
Introduction
Preparation
Building a Program
Function + DEW: Encrypting/Decrypting Files
Introduction
Preparation
Building a Program
Adding an Event Source
Processing Files
Workflow + Function: Automatically Processing Data in OBS
Introduction
Preparation
Building a Program
Processing Images
Filtering Logs in Real Time by Using FunctionGraph and LTS
Introduction
Preparation
Building a Program
Adding an Event Source
Processing Results
Extended Applications
Gracefully Shutting Down ECSs Using FunctionGraph and AS
Introduction
Preparation
Building a Program
Configuring a Message Notification
Processing Results
Building an HTTP Function with Go
FAQs
General FAQs
What Is FunctionGraph?
Do I Need to Apply for Any Compute, Storage, or Network Services When Using FunctionGraph?
Do I Need to Deploy My Code After Programming?
How Do I Obtain a Token?
What Runtimes Does FunctionGraph Support?
How Much Disk Space Is Allocated to Each FunctionGraph Function?
Does FunctionGraph Support Function Versioning?
How Does a Function Read or Write Files?
How Do I Set a Proxy When Using CLI?
Does FunctionGraph Support Function Extension?
Which Permissions Are Required for an IAM User to Use FunctionGraph?
How Can I Create an ODBC Drive-based Python Dependency Package for Database Query?
What Is the Quota of FunctionGraph?
What Chinese Fonts Does FunctionGraph Support?
How Does FunctionGraph Resolve a Private DNS Domain Name?
How Does a Container Image–based Function Resolve a Private DNS Domain Name?
How Do I Use a Domain Name to Access an API Registered with API Gateway (Dedicated)?
What Are the Common Application Scenarios of FunctionGraph?
Why Can't the API Gateway Domain Name Bound to a Service Be Resolved During Function Invocation?
Does FunctionGraph Support Synchronous Transmission at the Maximum Intranet Bandwidth?
What If the VPC Quota Is Used Up?
How Can I Print Info, Error, or Warn Logs?
Can I Set the Domain Name of an API to My Own Domain Name?
Can I Change the Runtime?
Can I Change a Function's Name?
Why Is Message "failed to mount exist system path" Displayed?
How Do I Obtain Uploaded Files?
Why Can't I Receive Responses for Synchronous Invocation?
What Should I Do If the os.system("command &") Execution Logs Are Not Collected?
Which Directories Can Be Accessed When a Custom Runtime Is Used?
Which Minor Versions of Python 3.6 and 3.9 Are Supported?
Which Actions Can Be Used Instead of a VPC Administrator Agency for VPC Access?
What Are the Possible Causes for Function Timeout?
How Do I Obtain the Code of a Function?
Do You Have Sample Code for Initializers?
How Do I Enable Structured Log Query?
Can I Enable a Listening Port in a Function to Receive External TCP Requests via EIP?
Does FunctionGraph Support Domain Name Resolution?
Function Creation FAQs
Can I Add Threads and Processes in Function Code?
What Are the Rules for Packaging a Function Project?
How Does FunctionGraph Isolate Code?
How Do I Create the Bootstrap File for an HTTP Function?
Trigger Management FAQs
What Events Can Trigger a FunctionGraph Function?
What If Error Code 500 Is Reported When Functions that Use APIG Triggers Return Strings?
What Do LATEST and TRIM_HORIZON Mean in DIS Trigger Configuration?
Why Can't I Enable or Disable OBS Triggers by Calling APIs?
How Do I Use an APIG Trigger to Invoke a Function?
How Does a Function Obtain the Request Path or Parameters When Using an APIG Trigger?
Can I Create an OBS Trigger with an Existing Bucket?
Can I Configure a Kafka Trigger in a Different Subnet from My Function?
Dependency Management FAQs
What Is a Dependency?
When Do I Need a Dependency?
What Are the Precautions for Using a Dependency?
What Dependencies Does FunctionGraph Support?
Does FunctionGraph Support Class Libraries?
How Do I Use Third-Party Dependencies on FunctionGraph?
How Do I Create Function Dependencies?
How Do I Create a Dependency on the FunctionGraph Console?
How Do I Add a Dependency to a Function?
Function Execution FAQs
How Long Does It Take to Execute a FunctionGraph Function?
Which Steps Are Included in Function Execution?
How Does FunctionGraph Process Concurrent Requests?
What If Function Instances Have Not Been Executed for a Long Time?
How Can I Speed Up Initial Access to a Function?
How Do I Know the Actual Memory Used for Function Execution?
Why Is My First Request Slow?
What Do I Do If an Error Occurs When Calling an API?
How Do I Read the Request Header of a Function?
Can a Function Invoke Another Function?
Can the Synchronous Execution Interface Be Invoked on a Private Network?
Why Does a Function Use More Memory Than Estimated and Even Trigger the Out of Memory Alarm?
How Do I Check the Memory Usage When Seeing "runtime memory limit exceeded"?
How Do I Troubleshoot "CrashLoopBackOff"?
After I Updated an Image with the Same Name, Reserved Instances Still Use the Old Image. What Can I Do?
Function Configuration FAQs
Can I Set Environment Variables When Creating Functions?
Can I Enter Sensitive Information in Environment Variables?
How Can I Watermark Images?
How Do I Use a Function to Invoke a Subfunction?
How Do I Use the Versions and Aliases of an HTTP Function with an APIG Trigger for Gray Upgrade?
External Resource Access FAQs
How Does a Function Access the MySQL Database?
How Does a Function Access Redis?
What Do I Do If My Function Cannot Connect to Redis Through a VPC?
How Do I Configure External Network Access?
Other FAQs
How Do I View the Alarm Rules Configured for a Function?
Does FunctionGraph Support ZIP Decompiling During Video Transcoding?
Will Resources Created During FunctionGraph 2.0 OBT Be Automatically Released When They Expire? Will Them Be Billed?
What Is an App in FunctionGraph?
Do I Need to Pay for Cold Start Time?
Why Am I Seeing a Message Indicating that My Account Was Suspended When Creating a Function?
Will the Requests of All My Functions in Different Regions Be Billed?
Migration from FunctionGraph V1 to V2
What Compatibility Issues Exist During the Migration?
Why Can't I Print Logs of a Python 2.7 Function After the Execution of reload(sys)?
More Documents
User Guide (ME-Abu Dhabi Region)
Service Overview
What Is FunctionGraph?
Product Features
Product Advantages
Application Scenarios
Function Types
Event Functions
HTTP Functions
Notes and Constraints
Billing
Permissions Management
Concepts
Relationships Between FunctionGraph and Other Services
Getting Started
Introduction
Creating a Function from Scratch
Creating a Function Using a Template
Deploying a Function Using a Container Image
Developing an HTTP Function
Developing an Event Function
Before You Start
Use of FunctionGraph
Permissions Management
Creating a User and Granting Permissions
Creating a Custom Policy
Supported Programming Languages
Node.js
Python
Java
Go
Custom Runtime
Building Functions
Creating a Deployment Package
Creating a Function from Scratch
Creating an Event Function
Creating an HTTP Function
Creating a Function Using a Template
Deploying a Function Using a Container Image
Configuring Functions
Configuring Initialization
Configuring Basic Settings
Configuring Agency Permissions
Configuring the Network
Configuring Disk Mounting
Configuring Environment Variables
Configuring Asynchronous Execution Notification
Configuring Single-Instance Multi-Concurrency
Managing Versions
Managing Aliases
Configuring Dynamic Memory
Configuring Heartbeat Function
Online Debugging
Creating Triggers
Managing Triggers
Using a Timer Trigger
Using an APIG (Dedicated) Trigger
Using an OBS Trigger
Using a Kafka Trigger
Using a DIS Trigger
Using an SMN Trigger
Using an LTS Trigger
Using a DMS (for RabbitMQ) Trigger
Cron Expressions for a Function Timer Trigger
Invoking the Function
Synchronous Invocation
Asynchronous Invocation
Retry Mechanism
Monitoring
Metrics
Function Monitoring
Function Metrics
Creating an Alarm Rule
Logs
Querying Function Logs
Managing Function Logs
Tracing
Function Management
Dependency Management
Configuring Dependency Packages
Dependent Libraries
Reserved Instance Management
Increasing Resource Quota
Audit
Operations Logged by CTS
Viewing Audit Logs
FAQs
General FAQs
What Is FunctionGraph?
Do I Need to Apply for Any Compute, Storage, or Network Services When Using FunctionGraph?
Do I Need to Deploy My Code After Programming?
What Runtimes Does FunctionGraph Support?
How Much Disk Space Is Allocated to Each FunctionGraph Function?
Does FunctionGraph Support Function Versioning?
How Does a Function Read or Write Files?
Does FunctionGraph Support Function Extension?
Which Permissions Are Required for an IAM User to Use FunctionGraph?
How Can I Create an ODBC Drive-based Python Dependency Package for Database Query?
What Is the Quota of FunctionGraph?
How Does FunctionGraph Resolve a Private DNS Domain Name?
How Does a Container Image–based Function Resolve a Private DNS Domain Name?
How Do I Use a Domain Name to Access an API Registered with API Gateway (Dedicated)?
What Are the Common Application Scenarios of FunctionGraph?
Why Can't the API Gateway Domain Name Bound to a Service Be Resolved During Function Invocation?
Does FunctionGraph Support Synchronous Transmission at the Maximum Intranet Bandwidth?
What If the VPC Quota Is Used Up?
How Can I Print Info, Error, or Warn Logs?
Can I Set the Domain Name of an API to My Own Domain Name?
Can I Change the Runtime?
Can I Change a Function's Name?
Why Is Message "failed to mount exist system path" Displayed?
How Do I Obtain Uploaded Files?
Why Can't I Receive Responses for Synchronous Invocation?
What Should I Do If the os.system("command &") Execution Logs Are Not Collected?
Which Directories Can Be Accessed When a Custom Runtime Is Used?
Which Minor Versions of Python 3.6 and 3.9 Are Supported?
Which Actions Can Be Used Instead of a VPC Administrator Agency for VPC Access?
What Are the Possible Causes for Function Timeout?
How Do I Obtain the Code of a Function?
Do You Have Sample Code for Initializers?
How Do I Enable Structured Log Query?
Can I Enable a Listening Port in a Function to Receive External TCP Requests via EIP?
Function Creation FAQs
Can I Add Threads and Processes in Function Code?
What Are the Rules for Packaging a Function Project?
How Does FunctionGraph Isolate Code?
How Do I Create the Bootstrap File for an HTTP Function?
Trigger Management FAQs
What Events Can Trigger a FunctionGraph Function?
What If Error Code 500 Is Reported When Functions that Use APIG Triggers Return Strings?
What Do LATEST and TRIM_HORIZON Mean in DIS Trigger Configuration?
Why Can't I Enable or Disable OBS Triggers by Calling APIs?
How Do I Use an APIG Trigger to Invoke a Function?
How Does a Function Obtain the Request Path or Parameters When Using an APIG Trigger?
Can I Create an OBS Trigger with an Existing Bucket?
Dependency Management FAQs
What Is a Dependency?
When Do I Need a Dependency?
What Are the Precautions for Using a Dependency?
What Dependencies Does FunctionGraph Support?
Does FunctionGraph Support Class Libraries?
How Do I Use Third-Party Dependencies on FunctionGraph?
How Do I Create Function Dependencies?
How Do I Create a Dependency on the FunctionGraph Console?
How Do I Add a Dependency to a Function?
Function Execution FAQs
How Long Does It Take to Execute a FunctionGraph Function?
Which Steps Are Included in Function Execution?
How Does FunctionGraph Process Concurrent Requests?
What If Function Instances Have Not Been Executed for a Long Time?
How Can I Speed Up Initial Access to a Function?
How Do I Know the Actual Memory Used for Function Execution?
Why Is My First Request Slow?
What Do I Do If an Error Occurs When Calling an API?
How Do I Read the Request Header of a Function?
Why Does a Function Use More Memory Than Estimated and Even Trigger the Out of Memory Alarm?
How Do I Check the Memory Usage When Seeing "runtime memory limit exceeded"?
How Do I Troubleshoot "CrashLoopBackOff"?
After I Updated an Image with the Same Name, Reserved Instances Still Use the Old Image. What Can I Do?
Function Configuration FAQs
Can I Set Environment Variables When Creating Functions?
Can I Enter Sensitive Information in Environment Variables?
How Do I Use the Versions and Aliases of an HTTP Function with an APIG Trigger for Gray Upgrade?
External Resource Access FAQs
How Does a Function Access the MySQL Database?
How Does a Function Access Redis?
How Do I Configure External Network Access?
Other FAQs
How Do I View the Alarm Rules Configured for a Function?
Does FunctionGraph Support ZIP Decompiling During Video Transcoding?
API Reference (ME-Abu Dhabi Region)
Before You Start
Overview
API Calling
Endpoints
Constraints
Concepts
API Overview
Calling APIs
Making an API Request
Authentication
Response
Function Model Definition
Function Model
Trigger Management Models
Function Management Zone APIs
Querying a Function List
Querying the Metadata of a Function
Querying the Code of a Function
Creating a Function
Deleting a Function or Function Version
Modifying the Code of a Function
Modifying the Metadata of a Function
Publishing a Function Version
Querying the Versions of a Function
Creating an Alias for a Function Version
Modifying the Alias Information About a Function Version
Deleting an Alias of a Function Version
Querying the Alias Information About a Function Version
Querying the Version Alias List of a Function
Querying All Triggers of a Function
Querying the Information About a Trigger
Deleting All Triggers of a Function
Creating a Trigger
Deleting a Trigger
Function Data Zone APIs
Implementing Synchronous Function Invocation
Implementing Asynchronous Function Invocation
Permissions Policies and Supported Actions
Appendix
Status Codes
Error Codes
Obtaining a Project ID
FunctionGraph Metrics
Change History
Developer Guide (ME-Abu Dhabi Region)
Overview
Function Development
Supported Event Sources
Function Project Packaging Rules
Referencing DLLs in Functions
Initializer
Node.js
Developing an Event Function
Creating a Dependency
Python
Developing an Event Function
Creating a Dependency
Java
Developing an Event Function
Developing Functions in Java (Using Eclipse)
Creating a Dependency
Go
Developing an Event Function
Development Tools
Visual Studio Code Plug-in
Eclipse Plug-in
PyCharm Plug-in
Change History
User Guide (Kuala Lumpur Region)
Service Overview
What Is FunctionGraph?
Product Features
Product Advantages
Application Scenarios
Function Types
Event Functions
HTTP Functions
Notes and Constraints
Permissions Management
Concepts
Relationships Between FunctionGraph and Other Services
Getting Started
Introduction
Creating a Function from Scratch
Creating a Function Using a Template
Deploying a Function Using a Container Image
Developing an HTTP Function
Before You Start
Use of FunctionGraph
Permissions Management
Creating a User and Granting Permissions
Creating a Custom Policy
Supported Programming Languages
Node.js
Python
Java
Go
Custom Runtime
Building a FunctionGraph Function
Creating a Deployment Package
Creating a Function from Scratch
Creating an Event Function
Creating an HTTP Function
Creating a Function Using a Template
Deploying a Function Using a Container Image
Configuring the Function
Configuring Initialization
Configuring Basic Settings
Configuring Agency Permissions
Configuring the Network
Configuring Disk Mounting
Configuring Environment Variables
Configuring Asynchronous Execution Notification
Configuring Single-Instance Multi-Concurrency
Managing Versions
Managing Aliases
Configuring Dynamic Memory
Online Debugging
Creating Triggers
Managing Triggers
Using a Timer Trigger
Using an APIG (Dedicated) Trigger
Using an OBS Trigger
Using a Kafka Trigger
Using an LTS Trigger
Using a CTS Trigger
Appendix: Cron Expressions for a Function Timer Trigger
Invoking the Function
Synchronous Invocation
Asynchronous Invocation
Retry Mechanism
Monitoring
Metrics
Function Monitoring
Function Metrics
Creating an Alarm Rule
Logs
Querying Function Logs
Managing Function Logs
Function Management
Dependency Management
Reserved Instance Management
Audit
Operations Logged by CTS
Viewing Audit Logs
FAQs
General FAQs
What Is FunctionGraph?
Do I Need to Apply for Any Compute, Storage, or Network Services When Using FunctionGraph?
Do I Need to Deploy My Code After Programming?
What Runtimes Does FunctionGraph Support?
How Much Disk Space Is Allocated to Each FunctionGraph Function?
Does FunctionGraph Support Function Versioning?
How Does a Function Read or Write Files?
Does FunctionGraph Support Function Extension?
Which Permissions Are Required for an IAM User to Use FunctionGraph?
How Can I Create an ODBC Drive-based Python Dependency Package for Database Query?
What Is the Quota of FunctionGraph?
How Does a Container Image–based Function Resolve a Private DNS Domain Name?
How Do I Use a Domain Name to Access an API Registered with API Gateway (Dedicated)?
What Are the Common Application Scenarios of FunctionGraph?
Why Can't the API Gateway Domain Name Bound to a Service Be Resolved During Function Invocation?
Does FunctionGraph Support Synchronous Transmission at the Maximum Intranet Bandwidth?
What If the VPC Quota Is Used Up?
How Can I Print Info, Error, or Warn Logs?
Can I Set the Domain Name of an API to My Own Domain Name?
Can I Change the Runtime?
Can I Change a Function's Name?
Why Is Message "failed to mount exist system path" Displayed?
How Do I Obtain Uploaded Files?
Why Can't I Receive Responses for Synchronous Invocation?
What Should I Do If the os.system("command &") Execution Logs Are Not Collected?
Which Directories Can Be Accessed When a Custom Runtime Is Used?
Which Minor Versions of Python 3.6 and 3.9 Are Supported?
Which Actions Can Be Used Instead of a VPC Administrator Agency for VPC Access?
What Are the Possible Causes for Function Timeout?
How Do I Obtain the Code of a Function?
Do You Have Sample Code for Initializers?
How Do I Enable Structured Log Query?
Function Creation FAQs
Can I Add Threads and Processes in Function Code?
What Are the Rules for Packaging a Function Project?
How Does FunctionGraph Isolate Code?
How Do I Create the Bootstrap File for an HTTP Function?
Trigger Management FAQs
What If Error Code 500 Is Reported When Functions that Use APIG Triggers Return Strings?
What Do LATEST and TRIM_HORIZON Mean in DIS Trigger Configuration?
Why Can't I Enable or Disable OBS Triggers by Calling APIs?
How Do I Use an APIG Trigger to Invoke a Function?
How Does a Function Obtain the Request Path or Parameters When Using an APIG Trigger?
Can I Create an OBS Trigger with an Existing Bucket?
Dependency Management FAQs
What Is a Dependency?
When Do I Need a Dependency?
What Are the Precautions for Using a Dependency?
What Dependencies Does FunctionGraph Support?
Does FunctionGraph Support Class Libraries?
How Do I Use Third-Party Dependencies on FunctionGraph?
How Do I Create Function Dependencies?
How Do I Create a Dependency on the FunctionGraph Console?
How Do I Add a Dependency to a Function?
Function Execution FAQs
How Long Does It Take to Execute a FunctionGraph Function?
Which Steps Are Included in Function Execution?
How Does FunctionGraph Process Concurrent Requests?
What If Function Instances Have Not Been Executed for a Long Time?
How Can I Speed Up Initial Access to a Function?
How Do I Know the Actual Memory Used for Function Execution?
Why Is My First Request Slow?
What Do I Do If an Error Occurs When Calling an API?
How Do I Read the Request Header of a Function?
Why Does a Function Use More Memory Than Estimated and Even Trigger the Out of Memory Alarm?
How Do I Check the Memory Usage When Seeing "runtime memory limit exceeded"?
How Do I Troubleshoot "CrashLoopBackOff"?
After I Updated an Image with the Same Name, Reserved Instances Still Use the Old Image. What Can I Do?
Function Configuration FAQs
Can I Set Environment Variables When Creating Functions?
Can I Enter Sensitive Information in Environment Variables?
External Resource Access FAQs
How Does a Function Access the MySQL Database?
How Does a Function Access Redis?
How Do I Configure External Network Access?
Other FAQs
How Do I View the Alarm Rules Configured for a Function?
Does FunctionGraph Support ZIP Decompiling During Video Transcoding?
Change History
API Reference (Kuala Lumpur Region)
Before You Start
Overview
API Calling
Endpoints
Constraints
Concepts
Function Model Definition
Function Model
Trigger Management Models
API Overview
Calling APIs
Making an API Request
Authentication
Response
Examples
Example 1: Using a Timer Trigger to Periodically Download Files from an OBS Bucket
Example 2: Using an APIG Trigger to Obtain a Static Web Page
Example 3: Creating a Function by Uploading Code to an OBS Bucket
APIs
Function Invocation
Executing a Function Synchronously
Executing a Function Asynchronously
Executing a Function Asynchronously and Returning Reserved Instance IDs(Discarded)
Function Quotas
Querying Tenant Quotas
Dependencies
Querying Dependencies
Creating a Dependency(To Be Discarded)
Creating a Dependency Version
Querying Dependency Versions
Querying a Dependency Version
Deleting a Dependency Version
Deleting a Dependency(To Be Discarded)
Querying a Dependency(To Be Discarded)
Updating a Dependency(To Be Discarded)
Test Events
Querying Test Events of a Function
Creating a Test Event
Deleting a Test Event
Obtaining the Details of a Test Event
Updating a Test Event
Function Tracing
Querying Tracing Configuration
Modifying Tracing Configuration
Function Lifecycle Management
Querying Functions
Creating a Function
Deleting a Function or Function Version
Querying the Code of a Function
Modifying the Code of a Function
Querying the Metadata of a Function
Modifying the Metadata of a Function
Updating Max. Instances of a Function
Enabling or Disabling the Snapshot Function
Querying Snapshot Status
Querying Resource Tags
Querying Resources
Deleting Resource Tags
Creating Resource Tags
Creating a VPC Endpoint
Deleting a VPC Endpoint
Versions and Aliases
Querying All Versions and Aliases of a Function
Creating an Alias for a Function Version
Deleting an Alias of a Function Version
Querying the Alias of a Function Version
Modifying the Alias of a Function Version
Querying the Versions of a Function
Publishing a Function Version
Function Metrics
Querying Top Functions for a Specified Metric
Querying Tenant-Level Function Statistics
Querying Metrics in a Specified Period
Function Logs
Querying the Log Group and Stream of a Function
Enabling Log Reporting to LTS
Reserved Instances
Querying Reserved Instances of a Function
Changing the Number of Reserved Instances
Querying the Number of Reserved Instances
Function Import and Export
Exporting a Function
Importing a Function
Function Triggers
Deleting All Triggers of a Function
Querying All Triggers of a Function
Creating a Trigger
Deleting a Trigger
Querying a Trigger
Updating a Trigger
Asynchronous Execution Notification
Querying Asynchronous Execution Notification Settings of a Function Version
Deleting Asynchronous Execution Notification Settings
Configuring Asynchronous Execution Notification
Querying Asynchronous Execution Notification Settings of a Function's All Versions
Querying Asynchronous Invocation Requests
Stopping an Asynchronous Invocation Request
Appendix
Status Codes
Error Codes
Obtaining a Project ID
FunctionGraph Metrics
Developer Guide (Kuala Lumpur Region)
Overview
Function Development
Supported Event Sources
Function Project Packaging Rules
Referencing DLLs in Functions
Initializer
Node.js
Developing an Event Function
Creating a Dependency
Python
Developing an Event Function
Creating a Dependency
Java
Developing an Event Function
Developing Functions in Java (Using Eclipse)
Creating a Dependency
Go
Developing an Event Function
C#
Developing an Event Function
C# Function Development
PHP
Developing an Event Function
Development Tools
Eclipse Plug-in
PyCharm Plug-in
Videos
General Reference
Glossary
Service Level Agreement
White Papers
Endpoints
Permissions