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Cloud Container Engine (CCE)

Containers take working with clouds to the next level: transport only the essential parts of applications and let the platform provide things such as the operating system and libraries.

The Cloud Container Engine (CCE) in the Open Telekom Cloud enables the configuration of containers via virtual machines (ECS). Based on Kubernetes, the CCE is compatible with Docker and offers the option of accessing the public resources of the Docker Hub or the Software Repository for Containers service. The CCE manages clusters, images, templates, and compatible applications, as well as the operation of these applications.

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Reasons for CCE in the Open Telekom Cloud

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Ease of use

CCE allows you to create Managed Kubernetes in only a few clicks and just a few minutes. Manual installation, management and maintenance of Kubernetes are a thing of the past. Additionally, a visual console helps users who are unfamiliar with Kubernetes.

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Compatibility and portability

Users benefit from the fact that Cloud Container Engine uses open-source technology. The compatibility with Docker grants access to the public, to open-source image repositories from Docker Hub, and enables the portability of the Kubernetes environment.

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The CCE service follows the CIS benchmark guidelines and continuously analyses the latest releases. Regardless of the community release cycle, each CCE Kubernetes version maintenance is supported for approximately two years and is fully GDPR-compliant.

Key Features of CCE

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Managed Kubernetes environment

  • Business acceleration: CCE helps you focus on your business and save time in operating a Kubernetes environment. Get started with pre-configured clusters in just a few minutes instead of a few months.
  • Cloud integration: The high Open Telekom Cloud integration enables usage of scaled services, including, but not limited to,Elastic Load Balancer (ELB), Object Storage Services (OBS) and Key Management Services (KMS). For example, there is an integrated ingress controller with a functional ELB at the application layer to start without any configuration.
  • Scalability: From small, single-az-mode clusters with 50x nodes, to highly available clusters with up to 2000x nodes possible in the enterprise environment.
  • Variability and efficiency: Availability of standard, memory, compute, storage, or AI-optimised resources depending on the use case.
  • Shared responsibility: The master node will be managed by Open Telekom Cloud and the worker nodes are accessible for the customers.
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Flexible operation and maintenance

There are many ways to run the CCE clusters and store the images in our Software Repository for Containers service:

  • Visual console
  • Kubectl
  • Helm command-line interface
  • APIs
  • Terraform
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High availability

CCE is designed for enterprise environments to meet the requirements of productive applications:

  • Up to three master nodes to increase fault tolerance
  • Node pools across multiple AZs
  • Ready for disaster recovery
  • Integrated health inspection of containers
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The Kubernetes cluster can be customised and extended with predefined add-ons or your own Helm charts.

  • CoreDNS: DNS-based service discovery and domain name resolution services for Kubernetes clusters
  • Everest: Storage driver for data persistent on OBS, EVS, SFS and SFS Turbo 
  • Autoscaler: For horizontal POD autoscaling
  • Metrics-server: An aggregator for monitoring data of core cluster resources
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Dynamic persistent Storage Solutions 

Cloud Container Engine can be used with SFS Turbo, Elastic Volume Service (EVS) and Object Storage Service (OBS). It's possible to encrypt all the Storage solutions for CCE via the KMS.

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The costs are based on the use of the cloud resources such as Elastic Cloud Server (ECS), etc. The smallest cluster without HA is free of charge for the CCE service self and can be used for smaller workloads.

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Monitoring and troubleshooting

CCE can be easily monitored with the data provided in the console and connects to cloud services such as Application Operations Management (AOM) and Cloud Eye (CES).

Use Cases

Auto Cluster Scaling

High Availability Cluster

GPU Containers


Getting Started with Cloud Container Engine

Graphic Getting Started with Cloud Container Engine in the Open Telekom Cloud

Step 1: Authorize an IAM user to use CCE

The accounts have the permission to use CCE. However, IAM users created by the accounts do not have the permission. You need to manually assign the permission to IAM users

Step 2: Create a cluster

For details on how to create a regular Kubernetes cluster, see Creating a Hybrid Cluster.

Step 3: Create a workload from images or a chart

For details on how to create a workload from images, see Workloads.
For details on how to create a workload from a chart, see Charts.

Step 4: View workload status and logs. Upgrade, scale, and monitor the workload

For details, see Managing a Deployment.


New Features

CCE – 1.23 is now available in Region EU-NLView Details
CCE – New release with Kubernetes 1.25 is now available in EU-DE and EU-NLView Details
CCE: New Worker Nodes Image is availableView Details
CCE 1.25: Upgrade Feature is enabledView Details

Find out more


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