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Cloud Container Engine
Cloud Container Engine
- What's New
- Function Overview
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Product Bulletin
- Latest Notices
- Product Change Notices
- Cluster Version Release Notes
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Vulnerability Notices
- Vulnerability Fixing Policies
- Notice of Container Escape Vulnerability in NVIDIA Container Toolkit (CVE-2024-0132)
- Notice of Linux Remote Code Execution Vulnerability in CUPS (CVE-2024-47076, CVE-2024-47175, CVE-2024-47176, and CVE-2024-47177)
- Notice of the NGINX Ingress Controller Vulnerability That Allows Attackers to Bypass Annotation Validation (CVE-2024-7646)
- Notice of Docker Engine Vulnerability That Allows Attackers to Bypass AuthZ (CVE-2024-41110)
- Notice of Linux Kernel Privilege Escalation Vulnerability (CVE-2024-1086)
- Notice of OpenSSH Remote Code Execution Vulnerability (CVE-2024-6387)
- Notice of runC systemd Attribute Injection Vulnerability (CVE-2024-3154)
- Notice of the Impact of runC Vulnerability (CVE-2024-21626)
- Notice on the Kubernetes Security Vulnerability (CVE-2022-3172)
- Privilege Escalation Vulnerability in Linux Kernel openvswitch Module (CVE-2022-2639)
- Notice on nginx-ingress Add-On Security Vulnerability (CVE-2021-25748)
- Notice on nginx-ingress Security Vulnerabilities (CVE-2021-25745 and CVE-2021-25746)
- Notice on the containerd Process Privilege Escalation Vulnerability (CVE-2022-24769)
- Notice on CRI-O Container Runtime Engine Arbitrary Code Execution Vulnerability (CVE-2022-0811)
- Notice on the Container Escape Vulnerability Caused by the Linux Kernel (CVE-2022-0492)
- Notice on the Non-Security Handling Vulnerability of containerd Image Volumes (CVE-2022-23648)
- Linux Kernel Integer Overflow Vulnerability (CVE-2022-0185)
- Linux Polkit Privilege Escalation Vulnerability (CVE-2021-4034)
- Notice on the Vulnerability of Kubernetes subPath Symlink Exchange (CVE-2021-25741)
- Notice of runC Vulnerability That Allows a Container Filesystem Breakout via Directory Traversal (CVE-2021-30465)
- Notice on the Docker Resource Management Vulnerability (CVE-2021-21285)
- Notice of NVIDIA GPU Driver Vulnerability (CVE-2021-1056)
- Notice on the Sudo Buffer Vulnerability (CVE-2021-3156)
- Notice on the Kubernetes Security Vulnerability (CVE-2020-8554)
- Notice of Apache containerd Security Vulnerability (CVE-2020-15257)
- Notice on the Docker Engine Input Verification Vulnerability (CVE-2020-13401)
- Notice of Kubernetes kube-apiserver Input Verification Vulnerability (CVE-2020-8559)
- Notice on the Kubernetes kubelet Resource Management Vulnerability (CVE-2020-8557)
- Notice on the Kubernetes kubelet and kube-proxy Authorization Vulnerability (CVE-2020-8558)
- Notice on Fixing Kubernetes HTTP/2 Vulnerability
- Notice on Fixing Linux Kernel SACK Vulnerabilities
- Notice on Fixing the Docker Command Injection Vulnerability (CVE-2019-5736)
- Notice on Fixing the Kubernetes Permission and Access Control Vulnerability (CVE-2018-1002105)
- Notice of Fixing the Kubernetes Dashboard Security Vulnerability (CVE-2018-18264)
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Product Release Notes
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Cluster Versions
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Kubernetes Version Release Notes
- Kubernetes 1.29 Release Notes
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Add-on Versions
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- CCE Cloud Bursting Engine for CCI Release History
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- Cloud Native Cluster Monitoring Release History
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Cluster Versions
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User Guide
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Clusters
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Cluster Overview
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Kubernetes Version Release Notes
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- Kubernetes 1.13 (EOM) Release Notes
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- Release Notes for Kubernetes 1.9 (EOM) and Earlier Versions
- Patch Version Release Notes
- Buying a Cluster
- Connecting to a Cluster
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Managing a Cluster
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Upgrading a Cluster
- Process and Method of Upgrading a Cluster
- Before You Start
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Troubleshooting for Pre-upgrade Check Exceptions
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- sudo
- Key Node Commands
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- Master Node Flavor
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Cluster Overview
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Nodes
- Node Overview
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Management Nodes
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- Draining a Node
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- Stopping a Node
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Node O&M
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- Differences in kubelet and Runtime Component Configurations Between CCE and the Native Community
- Migrating Nodes from Docker to containerd
- Optimizing Node System Parameters
- Configuring Node Fault Detection Policies
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Workloads
- Overview
- Creating a Workload
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Configuring a Workload
- Configuring Time Zone Synchronization
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- Using Third-Party Images
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- Configuring Container Lifecycle Parameters
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- Configuring Environment Variables
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- Logging In to a Container
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Network
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Container Network
- Overview
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Cloud Native Network 2.0 Settings
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- Configuring Pod Subnets of a Cluster
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Service
- Overview
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LoadBalancer
- Creating a LoadBalancer Service
- Configuring LoadBalancer Services Using Annotations
- Configuring HTTP/HTTPS for a LoadBalancer Service
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- Configuring Timeout for a LoadBalancer Service
- Configuring Health Check on Multiple Ports of a LoadBalancer Service
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- Setting the Pod Ready Status Through the ELB Health Check
- Headless Services
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Ingresses
- Overview
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LoadBalancer Ingresses
- Creating a LoadBalancer Ingress on the Console
- Creating a LoadBalancer Ingress Using kubectl
- Annotations for Configuring LoadBalancer Ingresses
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Advanced Setting Examples of LoadBalancer Ingresses
- Configuring an HTTPS Certificate for a LoadBalancer Ingress
- Configuring SNI for a LoadBalancer Ingress
- Configuring Multiple Forwarding Policies for a LoadBalancer Ingress
- Configuring HTTP/2 for a LoadBalancer Ingress
- Configuring HTTPS Backend Services for a LoadBalancer Ingress
- Configuring Timeout for a LoadBalancer Ingress
- Configuring a Slow Start for a LoadBalancer Ingress
- Configuring a Range of Listening Ports for a LoadBalancer Ingress
- Nginx Ingresses
- DNS
- Configuring Intra-VPC Access
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Old Console
- What Is Cloud Container Engine?
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Nodes
- Overview
- Buying a Node
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Workloads
- Overview
- Creating a Deployment
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Configuring a Container
- Using a Third-Party Image
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Best Practices
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Security
- Configuration Suggestions on CCE Cluster Security
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API Reference
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APIs
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Cluster Management
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Cluster Upgrade
- Upgrading a Cluster
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Chart Management
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- Kubernetes APIs
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Appendix
- Status Code
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- SDK Reference
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FAQs
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- Billing
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Node
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Node Running
- What Should I Do If a Cluster Is Available But Some Nodes Are Unavailable?
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- What Should I Do If the vdb Disk of a Node Is Damaged and the Node Cannot Be Recovered After Reset?
- What Should I Do If I/O Suspension Occasionally Occurs When SCSI EVS Disks Are Used?
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- How Do I Rectify Failures When the NVIDIA Driver Is Used to Start Containers on GPU Nodes?
- Specification Change
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Workload
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Workload Exception Troubleshooting
- How Can I Find the Fault for an Abnormal Workload?
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- Container Configuration
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Others
- What Should I Do If a Cron Job Cannot Be Restarted After Being Stopped for a Period of Time?
- What Is a Headless Service When I Create a StatefulSet?
- What Should I Do If Error Message "Auth is empty" Is Displayed When a Private Image Is Pulled?
- What Is the Image Pull Policy for Containers in a CCE Cluster?
- What Can I Do If a Layer Is Missing During Image Pull?
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Workload Exception Troubleshooting
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Networking
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Network Exception Troubleshooting
- How Do I Locate a Workload Networking Fault?
- Why Does the Browser Return Error Code 404 When I Access a Deployed Application?
- What Should I Do If a Container Fails to Access the Internet?
- What Should I Do If a Node Fails to Connect to the Internet (Public Network)?
- What Should I Do If Nginx Ingress Access in the Cluster Is Abnormal After the NGINX Ingress Controller Add-on Is Upgraded?
- What Could Cause Access Exceptions After Configuring an HTTPS Certificate for a LoadBalancer Ingress?
- Network Planning
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Network Configuration
- How Can Container IP Addresses Survive a Container Restart?
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- How Can I Delete a Security Group Rule Associated with a Deleted Subnet?
- How Can I Synchronize Certificates When Multiple Ingresses in Different Namespaces Share a Listener?
- How Can I Determine Which Ingress the Listener Settings Have Been Applied To?
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Network Exception Troubleshooting
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Storage
- How Do I Expand the Storage Capacity of a Container?
- What Are the Differences Among CCE Storage Classes in Terms of Persistent Storage and Multi-Node Mounting?
- Can I Create a CCE Node Without Adding a Data Disk to the Node?
- What Should I Do If the Host Cannot Be Found When Files Need to Be Uploaded to OBS During the Access to the CCE Service from a Public Network?
- How Can I Achieve Compatibility Between ExtendPathMode and Kubernetes client-go?
- Can CCE PVCs Detect Underlying Storage Faults?
- What Should I Do If a Yearly/Monthly EVS Disk Cannot Be Automatically Created?
- Namespace
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Chart and Add-on
- What Should I Do If Installation of an Add-on Fails and "The release name is already exist" Is Displayed?
- How Do I Configure the Add-on Resource Quotas Based on Cluster Scale?
- How Can I Clean Up Residual Resources After the NGINX Ingress Controller Add-on in the Unknown State Is Deleted?
- Why TLS v1.0 and v1.1 Cannot Be Used After the NGINX Ingress Controller Add-on Is Upgraded?
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API & kubectl FAQs
- How Can I Access a Cluster API Server?
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- How Do I Download kubeconfig for Connecting to a Cluster Using kubectl?
- How Do I Rectify the Error Reported When Running the kubectl top node Command?
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Container Configuration/
What Is the Retry Mechanism When CCE Fails to Start a Pod?
What Is the Retry Mechanism When CCE Fails to Start a Pod?
Updated on 2024-07-13 GMT+08:00
CCE is a fully managed Kubernetes service and is fully compatible with Kubernetes APIs and kubectl.
In Kubernetes, the spec of a pod contains a restartPolicy field. The value of restartPolicy can be Always, OnFailure, or Never. The default value is Always.
- Always: When a container fails, kubelet automatically restarts the container.
- OnFailure: When a container stops running and the exit code is not 0 (indicating normal exit), kubelet automatically restarts the container.
- Never: kubelet does not restart the container regardless of the container running status.
restartPolicy applies to all containers in a pod.
restartPolicy only refers to restarts of the containers by kubelet on the same node. When containers in a pod exit, kubelet restarts them with an exponential back-off delay (10s, 20s, 40s, …), which is capped at five minutes. Once a container has been running for 10 minutes without any problems, kubelet resets the restart backoff timer for the container.
The settings of restartPolicy vary depending on the controller:
- Replication Controller (RC) and DaemonSet: restartPolicy must be set to Always to ensure continuous running of the containers.
- Job: restartPolicy must be set to OnFailure or Never to ensure that containers are not restarted after being executed.
Parent Topic: Container Configuration
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