It will be written to a file called docker-test.dockercontext.2021 Theses Master's The Collaboration Models of Practices of Aging in Place in Different Contexts The following example exports an existing context called “docker-test”. Exporting and importing a native Docker context Let’s look at exporting and importing a native Docker context. The only way to import the exported Kubernetes config is to manually merge it into an existing kubeconfig file. You cannot export just the Kubernetes portion of a context and then import it with docker context import. This will produce a native kubeconfig file that can be manually merged with an existing ~/.kube/config file on another host that has kubectl installed. There is also an option to export just the Kubernetes part of a context. If the context you are exporting includes a Kubernetes endpoint, the Kubernetes part of the context will be included in the export and import operations. You can export and import these using the docker context command. This file can later be imported on another machine that has the docker client installed.īy default, contexts will be exported as a native Docker contexts. You can use the docker context export command to export an existing context to a file. The docker context command makes it easy to export and import contexts on different machines with the Docker client installed. $ docker -context production container ls Exporting and importing Docker contexts If your kubeconfig has more than one context, the current context ( kubectl config current-context) will be used. For this to work, you will need a valid kubeconfig file in /home/ubuntu/.kube/config. The following can be used to create a config with Kubernetes as the default orchestrator using the existing kubeconfig stored in /home/ubuntu/.kube/config. You can view the new context with docker context ls and docker context inspect. For example, if you switch your current Kubernetes config using kubectl config use-context, the default Docker context will dynamically update itself to the new Kubernetes endpoint. It does not have a meta.json configuration file, and it dynamically updates based on the current configuration. Note: The default context behaves differently than manually created contexts. Each new context you create gets its own meta.json stored in a dedicated sub-directory of ~/.docker/contexts/. The new context is stored in a meta.json file below ~/.docker/contexts/. Successfully created context "docker-test" $ docker context create docker-test \ -default-stack-orchestrator =swarm \ -docker host =unix:///var/run/docker.sock The easiest way to see what a context looks like is to view the default context. Run docker context to verify that your Docker client supports contexts.Ī context is a combination of several properties.
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