Helm Instance

CCE CCE

  • Function Release Records
  • Common Tools
    • Command Line Scenario Examples
  • API Reference
    • Overview
    • Common Headers and Error Responses
    • General Description
  • Product Announcement
    • Announcement on the Discontinuation of CCE Standalone Clusters
    • CCE New Cluster Management Release Announcement
    • Upgrade Announcement for CCE Cluster Audit Component kube-external-auditor
    • CCE Console Upgrade Announcement
    • Announcement on Management Fees for CCE Managed Clusters
    • Container Runtime Version Release Notes
    • Announcement on the Decommissioning of CCE Image Repository
    • Kubernetes Version Release Notes
      • CCE Release of Kubernetes v1_26 History
      • CCE Kubernetes Version Update Notes
      • CCE Release of Kubernetes v1_24 History
      • CCE Release of Kubernetes v1_30 History
      • CCE Release of Kubernetes v1_22 History
      • CCE Release of Kubernetes v1_18 History
      • CCE Release of Kubernetes v1_20 History
      • CCE Release of Kubernetes v1_28 History
      • Release Notes for CCE Kubernetes 1_31 Version
      • Kubernetes Version Overview and Mechanism
    • Security Vulnerability Fix Announcement
      • Vulnerability CVE-2019-5736 Fix Announcement
      • Vulnerability CVE-2021-30465 Fix Announcement
      • CVE-2025-1097, CVE-2025-1098, and Other Vulnerabilities Fix Announcement
      • CVE-2020-14386 Vulnerability Fix Announcement
      • Impact Statement on runc Security Issue (CVE-2024-21626)
  • Service Level Agreement (SLA)
    • CCE Service Level Agreement SLA (V1_0)
  • Typical Practices
    • Pod Anomaly Troubleshooting
    • Adding CGroup V2 Node
    • Common Linux System Configuration Parameters Description
    • Encrypting etcd Data Using KMS
    • Configuring Container Network Parameters Using CNI
    • CCE - Public Network Access Practice
    • Practice of using private images in CCE clusters
    • Unified Access for Virtual Machines and Container Services via CCE Ingress
    • User Guide for Custom CNI Plugins
    • CCE Cluster Network Description and Planning
    • Cross-Cloud Application Migration to Baidu CCE Using Velero
    • CCE Resource Recommender User Documentation
    • Continuous Deployment with Jenkins in CCE Cluster
    • CCE Best Practice-Guestbook Setup
    • CCE Best Practice-Container Network Mode Selection
    • CCE Usage Checklist
    • VPC-ENI Mode Cluster Public Network Access Practice
    • CCE Container Runtime Selection
    • Cloud-native AI
      • Elastic and Fault-Tolerant Training Using CCE AITraining Operator
      • Deploy the TensorFlow Serving inference service
      • Best Practice for GPU Virtualization with Optimal Isolation
  • FAQs
    • How do business applications use load balancer
    • Using kubectl on Windows
    • Cluster management FAQs
    • Common Questions Overview
    • Auto scaling FAQs
    • Create a simple service via kubectl
  • Operation guide
    • Prerequisites for use
    • Identity and access management
    • Permission Management
      • Configure IAM Tag Permission Policy
      • Permission Overview
      • Configure IAM Custom Permission Policy
      • Configure Predefined RBAC Permission Policy
      • Configure IAM Predefined Permission Policy
      • Configure Cluster OIDC Authentication
    • Configuration Management
      • Configmap Management
      • Secret Management
    • Traffic access
      • BLB ingress annotation description
      • Use K8S_Service via CCE
      • Use K8S_Ingress via CCE
      • Implement Canary Release with CCE Based on Nginx-Ingress
      • Create CCE_Ingress via YAML
      • LoadBalancer Service Annotation Description
      • Service Reuses Existing Load Balancer BLB
      • Use Direct Pod Mode LoadBalancer Service
      • NGINX Ingress Configuration Reference
      • Create LoadBalancer_Service via YAML
      • Use NGINX Ingress
    • Virtual Node
      • Configuring BCIPod
      • Configuring bci-profile
      • Managing virtual nodes
    • Node management
      • Add a node
      • Managing Taints
      • Setting Node Blocking
      • Setting GPU Memory Sharing
      • Remove a node
      • Customizing Kubelet Parameters
      • Kubelet Container Monitor Read-Only Port Risk Warning
      • Managing Node Tag
      • Drain node
    • Component Management
      • CCE CSI CDS Plugin Description
      • CCE Fluid Description
      • CCE CSI PFS L2 Plugin
      • CCE Calico Felix Description
      • CCE Ingress Controller Description
      • CCE QoS Agent Description
      • CCE GPU Manager Description
      • CCE Ingress NGINX Controller Description
      • CCE P2P Accelerator Description
      • CCE Virtual Kubelet Component
      • CoreDNS Description
      • CCE Log Operator Description
      • CCE Node Remedier Description
      • CCE Descheduler Description
      • CCE Dynamic Scheduling Plugin Description
      • Kube Scheduler Documentation
      • CCE NPU Manager Description
      • CCE CronHPA Controller Description
      • CCE LB Controller Description
      • Kube ApiServer Description
      • CCE Backup Controller Description
      • CCE Network Plugin Description
      • CCE CSI PFS Plugin Description
      • CCE Credential Controller Description
      • CCE Deep Learning Frameworks Operator Description
      • Component Overview
      • CCE Image Accelerate Description
      • CCE CSI BOS Plugin Description
      • CCE Onepilot Description
      • Description of Kube Controller Manager
      • CCE_Hybrid_Manager Description
      • CCE NodeLocal DNSCache Description
      • CCE Node Problem Detector Description
      • CCE Ascend Mindx DL Description
      • CCE RDMA Device Plugin Description
      • CCE AI Job Scheduler Description
    • Image registry
      • Image Registry Basic Operations
      • Using Container Image to Build Services
    • Helm Management
      • Helm Template
      • Helm Instance
    • Cluster management
      • Upgrade Cluster Kubernetes Version
      • CCE Node CDS Dilatation
      • Managed Cluster Usage Instructions
      • Create cluster
      • CCE Supports GPUSharing Cluster
      • View Cluster
      • Connect to Cluster via kubectl
      • CCE Security Group
      • CCE Node Resource Reservation Instructions
      • Operate Cluster
      • Cluster Snapshot
    • Serverless Cluster
      • Product overview
      • Using Service in Serverless Cluster
      • Creating a Serverless Cluster
    • Storage Management
      • Using Cloud File System
      • Overview
      • Using Parallel File System PFS
      • Using RapidFS
      • Using Object Storage BOS
      • Using Parallel File System PFS L2
      • Using Local Storage
      • Using Cloud Disk CDS
    • Inspection and Diagnosis
      • Cluster Inspection
      • GPU Runtime Environment Check
      • Fault Diagnosis
    • Cloud-native AI
      • Cloud-Native AI Overview
      • AI Monitoring Dashboard
        • Connecting to a Prometheus Instance and Starting a Job
        • NVIDIA Chip Resource Observation
          • AI Job Scheduler component
          • GPU node resources
          • GPU workload resources
          • GPUManager component
          • GPU resource pool overview
        • Ascend Chip Resource Observation
          • Ascend resource pool overview
          • Ascend node resource
          • Ascend workload resource
      • Task Management
        • View Task Information
        • Create TensorFlow Task
        • Example of RDMA Distributed Training Based on NCCL
        • Create PaddlePaddle Task
        • Create AI Training Task
        • Delete task
        • Create PyTorch Task
        • Create Mxnet Task
      • Queue Management
        • Modify Queue
        • Create Queue
        • Usage Instructions for Logical Queues and Physical Queues
        • Queue deletion
      • Dataset Management
        • Create Dataset
        • Delete dataset
        • View Dataset
        • Operate Dataset
      • AI Acceleration Kit
        • AIAK Introduction
        • Using AIAK-Training PyTorch Edition
        • Deploying Distributed Training Tasks Using AIAK-Training
        • Accelerating Inference Business Using AIAK-Inference
      • GPU Virtualization
        • GPU Exclusive and Shared Usage Instructions
        • Image Build Precautions in Shared GPU Scenarios
        • Instructions for Multi-GPU Usage in Single-GPU Containers
        • GPU Virtualization Adaptation Table
        • GPU Online and Offline Mixed Usage Instructions
        • MPS Best Practices & Precautions
        • Precautions for Disabling Node Video Memory Sharing
    • Elastic Scaling
      • Container Timing Horizontal Scaling (CronHPA)
      • Container Horizontal Scaling (HPA)
      • Implementing Second-Level Elastic Scaling with cce-autoscaling-placeholder
      • CCE Cluster Node Auto-Scaling
    • Network Management
      • How to Continue Dilatation When Container Network Segment Space Is Exhausted (VPC-ENI Mode)
      • Container Access to External Services in CCE Clusters
      • CCE supports dual-stack networks of IPv4 and IPv6
      • Using NetworkPolicy Network Policy
      • Traffic Forwarding Configuration for Containers in Peering Connections Scenarios
      • CCE IP Masquerade Agent User Guide
      • Creating VPC-ENI Mode Cluster
      • How to Continue Dilatation When Container Network Segment Space Is Exhausted (VPC Network Mode)
      • Using NetworkPolicy in CCE Clusters
      • Network Orchestration
        • Container Network QoS Management
        • VPC-ENI Specified Subnet IP Allocation (Container Network v2)
        • Cluster Pod Subnet Topology Distribution (Container Network v2)
      • Network Connectivity
        • Container network accesses the public network via NAT gateway
      • Network Maintenance
        • Common Error Code Table for CCE Container Network
      • DNS
        • CoreDNS Component Manual Dilatation Guide
        • DNS Troubleshooting Guide
        • DNS Principle Overview
    • Namespace Management
      • Set Limit Range
      • Set Resource Quota
      • Basic Namespace Operations
    • Workload
      • CronJob Management
      • Set Workload Auto-Scaling
      • Deployment Management
      • Job Management
      • View the Pod
      • StatefulSet Management
      • Password-Free Pull of Container Image
      • Create Workload Using Private Image
      • DaemonSet Management
    • Monitor Logs
      • Monitor Cluster with Prometheus
      • CCE Event Center
      • Cluster Service Profiling
      • CCE Cluster Anomaly Event Alerts
      • Java Application Monitor
      • Cluster Audit Dashboard
      • Logging
      • Cluster Audit
      • Log Center
        • Configure Collection Rules Using CRD
        • View Cluster Control Plane Logs
        • View Business Logs
        • Log Overview
        • Configure Collection Rules in Cloud Container Engine Console
    • Application management
      • Overview
      • Secret
      • Configuration dictionary
      • Deployment
      • Service
      • Pod
    • NodeGroup Management
      • NodeGroup Management
      • NodeGroup Node Fault Detection and Self-Healing
      • Configuring Scaling Policies
      • NodeGroup Introduction
      • Adding Existing External Nodes
      • Custom NodeGroup Kubelet Configuration
      • Adding Alternative Models
      • Dilatation NodeGroup
    • Backup Center
      • Restore Management
      • Backup Overview
      • Backup Management
      • Backup repository
  • Quick Start
    • Quick Deployment of Nginx Application
    • CCE Container Engine Usage Process Overview
  • Product pricing
    • Product pricing
  • Product Description
    • Application scenarios
    • Introduction
    • Usage restrictions
    • Features
    • Advantages
    • Core concepts
  • Solution-Fabric
    • Fabric Solution
  • Development Guide
    • EFK Log Collection System Deployment Guide
    • Using Network Policy in CCE Cluster
    • Creating a LoadBalancer-Type Service
    • Prometheus Monitoring System Deployment Guide
    • kubectl Management Configuration
  • API_V2 Reference
    • Overview
    • Common Headers and Error Responses
    • Cluster Related Interfaces
    • Instance Related Interfaces
    • Service domain
    • General Description
    • Kubeconfig Related Interfaces
    • RBAC Related Interfaces
    • Autoscaler Related Interfaces
    • Network Related Interfaces
    • InstanceGroup Related Interfaces
    • Appendix
    • Component management-related APIs
    • Package adaptation-related APIs
    • Task Related Interfaces
  • Solution-Xchain
    • Hyperchain Solution
  • SDK
    • Go-SDK
      • Overview
      • NodeGroup Management
      • Initialization
      • Install the SDK Package
      • Cluster management
      • Node management
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CCE CCE

  • Function Release Records
  • Common Tools
    • Command Line Scenario Examples
  • API Reference
    • Overview
    • Common Headers and Error Responses
    • General Description
  • Product Announcement
    • Announcement on the Discontinuation of CCE Standalone Clusters
    • CCE New Cluster Management Release Announcement
    • Upgrade Announcement for CCE Cluster Audit Component kube-external-auditor
    • CCE Console Upgrade Announcement
    • Announcement on Management Fees for CCE Managed Clusters
    • Container Runtime Version Release Notes
    • Announcement on the Decommissioning of CCE Image Repository
    • Kubernetes Version Release Notes
      • CCE Release of Kubernetes v1_26 History
      • CCE Kubernetes Version Update Notes
      • CCE Release of Kubernetes v1_24 History
      • CCE Release of Kubernetes v1_30 History
      • CCE Release of Kubernetes v1_22 History
      • CCE Release of Kubernetes v1_18 History
      • CCE Release of Kubernetes v1_20 History
      • CCE Release of Kubernetes v1_28 History
      • Release Notes for CCE Kubernetes 1_31 Version
      • Kubernetes Version Overview and Mechanism
    • Security Vulnerability Fix Announcement
      • Vulnerability CVE-2019-5736 Fix Announcement
      • Vulnerability CVE-2021-30465 Fix Announcement
      • CVE-2025-1097, CVE-2025-1098, and Other Vulnerabilities Fix Announcement
      • CVE-2020-14386 Vulnerability Fix Announcement
      • Impact Statement on runc Security Issue (CVE-2024-21626)
  • Service Level Agreement (SLA)
    • CCE Service Level Agreement SLA (V1_0)
  • Typical Practices
    • Pod Anomaly Troubleshooting
    • Adding CGroup V2 Node
    • Common Linux System Configuration Parameters Description
    • Encrypting etcd Data Using KMS
    • Configuring Container Network Parameters Using CNI
    • CCE - Public Network Access Practice
    • Practice of using private images in CCE clusters
    • Unified Access for Virtual Machines and Container Services via CCE Ingress
    • User Guide for Custom CNI Plugins
    • CCE Cluster Network Description and Planning
    • Cross-Cloud Application Migration to Baidu CCE Using Velero
    • CCE Resource Recommender User Documentation
    • Continuous Deployment with Jenkins in CCE Cluster
    • CCE Best Practice-Guestbook Setup
    • CCE Best Practice-Container Network Mode Selection
    • CCE Usage Checklist
    • VPC-ENI Mode Cluster Public Network Access Practice
    • CCE Container Runtime Selection
    • Cloud-native AI
      • Elastic and Fault-Tolerant Training Using CCE AITraining Operator
      • Deploy the TensorFlow Serving inference service
      • Best Practice for GPU Virtualization with Optimal Isolation
  • FAQs
    • How do business applications use load balancer
    • Using kubectl on Windows
    • Cluster management FAQs
    • Common Questions Overview
    • Auto scaling FAQs
    • Create a simple service via kubectl
  • Operation guide
    • Prerequisites for use
    • Identity and access management
    • Permission Management
      • Configure IAM Tag Permission Policy
      • Permission Overview
      • Configure IAM Custom Permission Policy
      • Configure Predefined RBAC Permission Policy
      • Configure IAM Predefined Permission Policy
      • Configure Cluster OIDC Authentication
    • Configuration Management
      • Configmap Management
      • Secret Management
    • Traffic access
      • BLB ingress annotation description
      • Use K8S_Service via CCE
      • Use K8S_Ingress via CCE
      • Implement Canary Release with CCE Based on Nginx-Ingress
      • Create CCE_Ingress via YAML
      • LoadBalancer Service Annotation Description
      • Service Reuses Existing Load Balancer BLB
      • Use Direct Pod Mode LoadBalancer Service
      • NGINX Ingress Configuration Reference
      • Create LoadBalancer_Service via YAML
      • Use NGINX Ingress
    • Virtual Node
      • Configuring BCIPod
      • Configuring bci-profile
      • Managing virtual nodes
    • Node management
      • Add a node
      • Managing Taints
      • Setting Node Blocking
      • Setting GPU Memory Sharing
      • Remove a node
      • Customizing Kubelet Parameters
      • Kubelet Container Monitor Read-Only Port Risk Warning
      • Managing Node Tag
      • Drain node
    • Component Management
      • CCE CSI CDS Plugin Description
      • CCE Fluid Description
      • CCE CSI PFS L2 Plugin
      • CCE Calico Felix Description
      • CCE Ingress Controller Description
      • CCE QoS Agent Description
      • CCE GPU Manager Description
      • CCE Ingress NGINX Controller Description
      • CCE P2P Accelerator Description
      • CCE Virtual Kubelet Component
      • CoreDNS Description
      • CCE Log Operator Description
      • CCE Node Remedier Description
      • CCE Descheduler Description
      • CCE Dynamic Scheduling Plugin Description
      • Kube Scheduler Documentation
      • CCE NPU Manager Description
      • CCE CronHPA Controller Description
      • CCE LB Controller Description
      • Kube ApiServer Description
      • CCE Backup Controller Description
      • CCE Network Plugin Description
      • CCE CSI PFS Plugin Description
      • CCE Credential Controller Description
      • CCE Deep Learning Frameworks Operator Description
      • Component Overview
      • CCE Image Accelerate Description
      • CCE CSI BOS Plugin Description
      • CCE Onepilot Description
      • Description of Kube Controller Manager
      • CCE_Hybrid_Manager Description
      • CCE NodeLocal DNSCache Description
      • CCE Node Problem Detector Description
      • CCE Ascend Mindx DL Description
      • CCE RDMA Device Plugin Description
      • CCE AI Job Scheduler Description
    • Image registry
      • Image Registry Basic Operations
      • Using Container Image to Build Services
    • Helm Management
      • Helm Template
      • Helm Instance
    • Cluster management
      • Upgrade Cluster Kubernetes Version
      • CCE Node CDS Dilatation
      • Managed Cluster Usage Instructions
      • Create cluster
      • CCE Supports GPUSharing Cluster
      • View Cluster
      • Connect to Cluster via kubectl
      • CCE Security Group
      • CCE Node Resource Reservation Instructions
      • Operate Cluster
      • Cluster Snapshot
    • Serverless Cluster
      • Product overview
      • Using Service in Serverless Cluster
      • Creating a Serverless Cluster
    • Storage Management
      • Using Cloud File System
      • Overview
      • Using Parallel File System PFS
      • Using RapidFS
      • Using Object Storage BOS
      • Using Parallel File System PFS L2
      • Using Local Storage
      • Using Cloud Disk CDS
    • Inspection and Diagnosis
      • Cluster Inspection
      • GPU Runtime Environment Check
      • Fault Diagnosis
    • Cloud-native AI
      • Cloud-Native AI Overview
      • AI Monitoring Dashboard
        • Connecting to a Prometheus Instance and Starting a Job
        • NVIDIA Chip Resource Observation
          • AI Job Scheduler component
          • GPU node resources
          • GPU workload resources
          • GPUManager component
          • GPU resource pool overview
        • Ascend Chip Resource Observation
          • Ascend resource pool overview
          • Ascend node resource
          • Ascend workload resource
      • Task Management
        • View Task Information
        • Create TensorFlow Task
        • Example of RDMA Distributed Training Based on NCCL
        • Create PaddlePaddle Task
        • Create AI Training Task
        • Delete task
        • Create PyTorch Task
        • Create Mxnet Task
      • Queue Management
        • Modify Queue
        • Create Queue
        • Usage Instructions for Logical Queues and Physical Queues
        • Queue deletion
      • Dataset Management
        • Create Dataset
        • Delete dataset
        • View Dataset
        • Operate Dataset
      • AI Acceleration Kit
        • AIAK Introduction
        • Using AIAK-Training PyTorch Edition
        • Deploying Distributed Training Tasks Using AIAK-Training
        • Accelerating Inference Business Using AIAK-Inference
      • GPU Virtualization
        • GPU Exclusive and Shared Usage Instructions
        • Image Build Precautions in Shared GPU Scenarios
        • Instructions for Multi-GPU Usage in Single-GPU Containers
        • GPU Virtualization Adaptation Table
        • GPU Online and Offline Mixed Usage Instructions
        • MPS Best Practices & Precautions
        • Precautions for Disabling Node Video Memory Sharing
    • Elastic Scaling
      • Container Timing Horizontal Scaling (CronHPA)
      • Container Horizontal Scaling (HPA)
      • Implementing Second-Level Elastic Scaling with cce-autoscaling-placeholder
      • CCE Cluster Node Auto-Scaling
    • Network Management
      • How to Continue Dilatation When Container Network Segment Space Is Exhausted (VPC-ENI Mode)
      • Container Access to External Services in CCE Clusters
      • CCE supports dual-stack networks of IPv4 and IPv6
      • Using NetworkPolicy Network Policy
      • Traffic Forwarding Configuration for Containers in Peering Connections Scenarios
      • CCE IP Masquerade Agent User Guide
      • Creating VPC-ENI Mode Cluster
      • How to Continue Dilatation When Container Network Segment Space Is Exhausted (VPC Network Mode)
      • Using NetworkPolicy in CCE Clusters
      • Network Orchestration
        • Container Network QoS Management
        • VPC-ENI Specified Subnet IP Allocation (Container Network v2)
        • Cluster Pod Subnet Topology Distribution (Container Network v2)
      • Network Connectivity
        • Container network accesses the public network via NAT gateway
      • Network Maintenance
        • Common Error Code Table for CCE Container Network
      • DNS
        • CoreDNS Component Manual Dilatation Guide
        • DNS Troubleshooting Guide
        • DNS Principle Overview
    • Namespace Management
      • Set Limit Range
      • Set Resource Quota
      • Basic Namespace Operations
    • Workload
      • CronJob Management
      • Set Workload Auto-Scaling
      • Deployment Management
      • Job Management
      • View the Pod
      • StatefulSet Management
      • Password-Free Pull of Container Image
      • Create Workload Using Private Image
      • DaemonSet Management
    • Monitor Logs
      • Monitor Cluster with Prometheus
      • CCE Event Center
      • Cluster Service Profiling
      • CCE Cluster Anomaly Event Alerts
      • Java Application Monitor
      • Cluster Audit Dashboard
      • Logging
      • Cluster Audit
      • Log Center
        • Configure Collection Rules Using CRD
        • View Cluster Control Plane Logs
        • View Business Logs
        • Log Overview
        • Configure Collection Rules in Cloud Container Engine Console
    • Application management
      • Overview
      • Secret
      • Configuration dictionary
      • Deployment
      • Service
      • Pod
    • NodeGroup Management
      • NodeGroup Management
      • NodeGroup Node Fault Detection and Self-Healing
      • Configuring Scaling Policies
      • NodeGroup Introduction
      • Adding Existing External Nodes
      • Custom NodeGroup Kubelet Configuration
      • Adding Alternative Models
      • Dilatation NodeGroup
    • Backup Center
      • Restore Management
      • Backup Overview
      • Backup Management
      • Backup repository
  • Quick Start
    • Quick Deployment of Nginx Application
    • CCE Container Engine Usage Process Overview
  • Product pricing
    • Product pricing
  • Product Description
    • Application scenarios
    • Introduction
    • Usage restrictions
    • Features
    • Advantages
    • Core concepts
  • Solution-Fabric
    • Fabric Solution
  • Development Guide
    • EFK Log Collection System Deployment Guide
    • Using Network Policy in CCE Cluster
    • Creating a LoadBalancer-Type Service
    • Prometheus Monitoring System Deployment Guide
    • kubectl Management Configuration
  • API_V2 Reference
    • Overview
    • Common Headers and Error Responses
    • Cluster Related Interfaces
    • Instance Related Interfaces
    • Service domain
    • General Description
    • Kubeconfig Related Interfaces
    • RBAC Related Interfaces
    • Autoscaler Related Interfaces
    • Network Related Interfaces
    • InstanceGroup Related Interfaces
    • Appendix
    • Component management-related APIs
    • Package adaptation-related APIs
    • Task Related Interfaces
  • Solution-Xchain
    • Hyperchain Solution
  • SDK
    • Go-SDK
      • Overview
      • NodeGroup Management
      • Initialization
      • Install the SDK Package
      • Cluster management
      • Node management
  • Document center
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  • CCECCE
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  • Operation guide
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  • Helm Management
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  • Helm Instance
Table of contents on this page
  • Install helm components in the cluster
  • List of instances
  • Instance details
  • Update an instance
  • Roll back an instance
  • Connect to Clusters via Helm Client
  • Connect to new clusters (id starting with "cce-")
  • Connect to old clusters (id starting with "c-")
  • FAQs
  • Can instances created with the template in the cluster still be used after deleting it
  • How to troubleshoot installation/upgrade/rollback instance failures
  • Can I directly use a self-installed helm server component in the cluster

Helm Instance

Updated at：2025-10-27

A helm instance corresponds to the concept of Helm Release in the helm community. When a helm template is installed into a cluster, an instance is generated.

The Helm instance page shows detailed information about the Helm instances within the CCE cluster and namespace chosen by the user.

Install helm components in the cluster

This step is only required for old clusters with id starting with "c-". New CCE clusters with id starting with "cce-" have switched to helm v3, so this step is no longer required.

If the Helm server components are not installed in a CCE cluster, a message saying "Helm is not installed in the cluster" will be displayed on the Helm instance list page.

Click the Install button to add Helm server components (excluding the Helm client) to the cluster currently selected in the top-right corner.

Once installed, users can access Helm instance-related features in the cluster via the page.

List of instances

If the selected cluster namespace does not contain any instances, no data will be displayed; otherwise, a list of instances within the selected cluster namespace will appear.

The list provides details like deployment status, source template, and the last update time for each instance.

Instance details

Click on an instance name in the list to navigate to its details page.

The details page is divided into the following four sections:

  • Basic Information: Includes key details such as instance name, cluster/namespace, version, update time, and description.
  • Resource Information: Displays the Kubernetes resources associated with the instance.
  • Versions: Lists all versions of the instance, both historical and current. You can review the status and parameters of each version and roll back to a specific version if needed.
  • Parameters: Shows the instance parameters for the current version. By selecting the "View All" checkbox, you can see values for all parameters (including defaults); otherwise, only user-defined parameters are shown.

Update an instance

On the cluster list page, click the Update button for the relevant instance, or use the Edit button in the parameter text box on the instance details page. After making changes, click the Update button to save. Updating creates a new historical version of the instance.

Roll back an instance

You can roll back an instance by resetting its parameters to match a previous version. Performing a rollback generates a new version.

To roll back an instance, go to the instance details page and click the Rollback button next to the desired version. Confirm the parameters, and click OK to revert to that version.

Connect to Clusters via Helm Client

In new clusters (IDs starting with "cce-") and old clusters (IDs starting with "c-"), Helm versions differ, with Helm v3 used for new clusters and Helm v2 for old ones. The client versions and operations vary accordingly, so follow the specific instructions for your cluster version.

Connect to new clusters (id starting with "cce-")

Download the latest helm client from the Helm Github Page.

In environments with access to the cluster's API server, you can connect directly using the cluster's kubeconfig.

If the kubeconfig is not in the default path (~/.kube/config), specify the kubeconfig file using --kubeconfig.

Connect to old clusters (id starting with "c-")

Note: Since helm v2 does not support kubernetes RBAC, this connection method cannot restrict the permissions of the connector. Do not use the helm client for operations if you need to control in-cluster permissions.

Download the helm v2.12.3 client from the Helm Github Page.

As TLS verification is enabled during the installation of Helm Tiller in CCE, you must use the cluster's kubeconfig and the TLS certificates accompanying Helm Tiller for connection.

TLS certificates are stored on the file systems of cluster nodes and can be obtained by logging in to the nodes.

After signing into a cluster node, download the helm client and cluster kubeconfig, then specify the following env to connect to helm tiller in the cluster for operation:

Plain Text 
1export HELM_TLS_ENABLE=true
2export HELM_TLS_CA_CERT=/etc/kubernetes/pki/ca.pem
3export HELM_TLS_CERT=/etc/kubernetes/pki/admin.pem
4export HELM_TLS_KEY=/etc/kubernetes/pki/admin-key.pem

Alternatively, you can download the necessary TLS certificate files and kubeconfig locally to connect and use the cluster.

FAQs

Can instances created with the template in the cluster still be used after deleting it

If a template is deleted, instances created from it will no longer be able to perform upgrade operations.

How to troubleshoot installation/upgrade/rollback instance failures

If the installation, upgrade, or rollback operation fails, the instance details page under "Basic Information" will display specific error details. Users can identify the cause of the failure based on the error information and make the necessary corrections.

Can I directly use a self-installed helm server component in the cluster

Since the helm components installed by CCE enable tls verification and helm clients and servers cannot communicate across versions, if you have self-installed helm server components in the cluster (e.g., executing the helm init command), they may be incompatible with the helm server components supported by CCE. You need to uninstall the helm components in the cluster and reinstall them via the [Instance List Page](#Install helm components in the cluster).

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