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急上昇中の質問

Frequently Asked Questions

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    Oracle Container Native Platform

  • What is the Oracle Container Native Platform?

    The Oracle Container Native Platform is an open source, and community driven solution that includes a managed container registry (Oracle Cloud Infrastructure Registry), and a managed Kubernetes service (Oracle Container Engine). The platform leverages Oracle Cloud Infrastructure for high performance, high availability, security and reliability. Oracle plans to add Oracle Container Functions and Oracle Container Microservices to the platform in the near future.

    With this platform, Oracle provides a complete and enterprise-grade suite of cloud services to build, deploy, and operate container-native microservices and serverless applications. As developers rapidly adopt container-native technologies for new cloud-native applications and for migrated traditional applications, they are becoming increasingly concerned about getting locked in by their cloud vendors and their application development platform vendors. Moreover, they are seeking the true hybrid cloud, using the same stack in any cloud and on-premises. The Oracle Container Native Platform prevents vendor lock-in by adopting open source standards, and supporting community-driven development of the platform so that its components can run in any cloud environment.

    Oracle Container Engine (OKE)

  • What is Oracle Cloud Infrastructure Container Engine for Kubernetes?

    Container Engine for Kubernetes enables you to quickly create, manage and consume Kubernetes clusters that leverage underlying compute, network and storage services without the need to install and maintain complex supporting Kubernetes infrastructure.

  • When should I use Oracle Cloud Infrastructure Container Engine for Kubernetes?

    You should use Container Engine for Kubernetes when you want to leverage Kubernetes to deploy and manage your Kubernetes based container applications. It allows you to combine the production grade container orchestration of standard upstream Kubernetes, with the control, security and high predictable performance of Oracle Cloud Infrastructure.

  • How is Oracle Cloud Infrastructure Container Engine for Kubernetes priced?

    There is no dedicated charge for Container Engine for Kubernetes. You only pay for the resources you use for the underlying compute, storage and network used by your Kubernetes clusters. In addition, you are only charged for the "worker" nodes running in your tenancy, your master nodes are run in Oracle's managed tenancy for you.

  • Which regions provide the Oracle Cloud Infrastructure Container Engine for Kubernetes?

    Container Engine for Kubernetes is supported on all regions as documented in Regions and Availability Domains.

  • Do I need to manage my master nodes in Oracle Cloud Infrastructure Container Engine?

    No. When you create a managed Kubernetes cluster, Oracle automatically creates and manages a set of multiple master nodes across different Availability Domains (logical datacenters) in the Oracle control plane on your behalf (and associated Kubernetes infrastructure such as etcd nodes) to ensure you have a highly available managed Kubernetes control plane. You can also seamlessly upgrade these master nodes to new versions of Kubernetes with zero downtime.

  • Does Oracle Cloud Infrastructure Container Engine for Kubernetes support standard upstream Kubernetes?

    Yes. Kubernetes clusters are created with standard upstream Kubernetes versions. These versions are also certified against the Cloud Native Computing Foundation (CNCF) conformance program.

  • How does Oracle Cloud Infrastructure Container Engine for Kubernetes provide resiliency?

    When you create a managed Kubernetes cluster, Oracle automatically creates and manages a set of multiple master nodes across different Availability Domains (logical datacenters) in the Oracle control plane on your behalf (and associated Kubernetes infrastructure such as etcd nodes) to ensure you have a highly available managed Kubernetes control plane. You can also seamlessly upgrade these master nodes to new versions of Kubernetes with zero downtime. Provisioned worker nodes are also automatically labeled with their Availability Domain and Region well known Kubernetes labels to enable customers to leverage Kubernetes scheduling mechanisms to build and deploy resilient container based applications.

  • Does Oracle Cloud Infrastructure Container Engine for Kubernetes support Kubernetes role-based access control (RBAC)?

    Yes. Managed Kubernetes clusters are enabled with Kubernetes RBAC. Managed Kubernetes is also integrated with Oracle Identity and Access Management (IAM), enabling users with powerful controls over access to their clusters.

  • Can I deploy my Kubernetes cluster into an existing Virtual Cloud Network (VCN)?

    Yes. You can deploy a managed Kubernetes cluster into an existing VCN, giving you a great degree of control over the use of underlying subnets, and security lists.

  • Can I deploy my Kubernetes cluster using private worker nodes?

    Yes, you have the option of creating your managed Kubernetes cluster with worker nodes in private subnets. These worker nodes have private IP addresses only and will require NAT gateway for outbound connections to your cluster masters and internet.

  • Can I deploy my Kubernetes cluster on Bare Metal Nodes?

    Yes. You can deploy a managed Kubernetes cluster on pure bare metal Nodes. You can also leverage the concept of "node pools" (a set of nodes sharing a common node size / image) to create a cluster of both bare metal and virtual machines and target your Kubernetes workloads appropriately.

  • Is Oracle Cloud Infrastructure Container Engine for Kubernetes integrated with OCI Load Balancing and Block Storage?

    Yes. Container Engine for Kubernetes allows users to expose Kubernetes services of type "LoadBalancer" and create Oracle load balancers. Users can also create Kubernetes Persistent Volumes and Persistent Volume Claims backed by Oracle Block Volumes.

  • Can I get access to my worker / cluster nodes?

    Yes. When you create a cluster, you can provide a public/private SSH key pair in order to SSH into your worker nodes if desired.

  • Do the worker / cluster nodes run Docker?

    Yes. Worker nodes run the standard Docker runtime, so that users can leverage familiar Docker commands.

    Oracle Cloud Infrastructure Service Broker for Kubernetes

  • What is the Oracle Cloud Infrastructure Service Broker for Kubernetes?

    Oracle Cloud Infrastructure Service Broker for Kubernetes (OSB or “Service Broker") is an implementation of the Open Service Broker API that can be used to interact with Oracle Cloud Infrastructure Services. With Oracle Cloud Infrastructure Service Broker, you can manage the lifecycle of Oracle Cloud Infrastructure services natively from within Kubernetes via Kubernetes APIs, which means the following:

    No need to go to a separate system to provision application-dependent services when deploying an application in Kubernetes.

    The lifecycle of dependent Oracle Cloud Infrastructure services can be linked to the applications that depend on them.

    Applications become more portable as dependencies can be easily encoded in DevOps procedures.

    To use Oracle Cloud Infrastructure Service Broker, you install it in your Kubernetes cluster along with Kubernetes Service Catalog. You can then use kubectl commands that get interpreted into Oracle Cloud Infrastructure CLI commands.

    See https://github.com/oracle/oci-service-broker for more information.

  • Which Oracle Cloud Infrastructure Service instances can I create using the Oracle Cloud Infrastructure Service Broker for Kubernetes?

    As of this writing, you can use Oracle Cloud Infrastructure Service Broker to provision and create service bindings to the following Oracle Cloud Infrastructure service types:

    • Autonomous Transaction Processing database
    • Autonomous Data Warehouse database
    • Object Storage Service bucket
  • Can I use Oracle Cloud Infrastructure Service Broker to provision services on premises?

    You can use Oracle Cloud Infrastructure Service Broker from within a Kubernetes cluster created on Oracle Linux (using Oracle Container Services for Kubernetes) running on premises to create service instances on Oracle Cloud Infrastructure, but you cannot use the Oracle Cloud Infrastructure Service Broker to provision services that run on premises.

  • How do I troubleshoot Oracle Cloud Infrastructure Service Broker?

    Oracle Cloud Infrastructure Service Broker is normally deployed as a pod in your Kubernetes cluster. With that, the easiest way to troubleshoot the pod is to get the logs from the pod with the following commands:

    • Use kubectl get pods to get a list of running pods in your cluster.
    • From that list, copy the pod ID for the Oracle Cloud Infrastructure Service Broker.
    • Use kubectl logs to get the logs from the pod.
  • Why do I get ErrorFetchingCatalog errors or 500 errors when registering the Service Broker?

    Users who use Oracle Cloud Infrastructure Service Broker to create Oracle Cloud Infrastructure service instances, such as an ATP database instance, need to have a role that has permission to create those services. For example, make sure that you have a policy in your Oracle Cloud Infrastructure tenancy that looks like the following policy:

    Allow group OCI-Service-Broker-Group to manage autonomous-database in compartment

    See https://github.com/oracle/oci-service-broker/tree/master/charts/oci-service-broker/docs/security.md

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