51197e4393
Currently ConfigFileAndDefaultsToInternalConfig and FetchConfigFromFileOrCluster are used to default and load InitConfiguration from file or cluster. These two APIs do a couple of completely separate things depending on how they were invoked. In the case of ConfigFileAndDefaultsToInternalConfig, an InitConfiguration could be either defaulted with external override parameters, or loaded from file. With FetchConfigFromFileOrCluster an InitConfiguration is either loaded from file or from the config map in the cluster. The two share both some functionality, but not enough code. They are also quite difficult to use and sometimes even error prone. To solve the issues, the following steps were taken: - Introduce DefaultedInitConfiguration which returns defaulted version agnostic InitConfiguration. The function takes InitConfiguration for overriding the defaults. - Introduce LoadInitConfigurationFromFile, which loads, converts, validates and defaults an InitConfiguration from file. - Introduce FetchInitConfigurationFromCluster that fetches InitConfiguration from the config map. - Reduce, when possible, the usage of ConfigFileAndDefaultsToInternalConfig by replacing it with DefaultedInitConfiguration or LoadInitConfigurationFromFile invocations. - Replace all usages of FetchConfigFromFileOrCluster with calls to LoadInitConfigurationFromFile or FetchInitConfigurationFromCluster. - Delete FetchConfigFromFileOrCluster as it's no longer used. - Rename ConfigFileAndDefaultsToInternalConfig to LoadOrDefaultInitConfiguration in order to better describe what the function is actually doing. Signed-off-by: Rostislav M. Georgiev <rostislavg@vmware.com>
Kubernetes
Kubernetes is an open source system for managing containerized applications across multiple hosts; providing basic mechanisms for deployment, maintenance, and scaling of applications.
Kubernetes builds upon a decade and a half of experience at Google running production workloads at scale using a system called Borg, combined with best-of-breed ideas and practices from the community.
Kubernetes is hosted by the Cloud Native Computing Foundation (CNCF). If you are a company that wants to help shape the evolution of technologies that are container-packaged, dynamically-scheduled and microservices-oriented, consider joining the CNCF. For details about who's involved and how Kubernetes plays a role, read the CNCF announcement.
To start using Kubernetes
See our documentation on kubernetes.io.
Try our interactive tutorial.
Take a free course on Scalable Microservices with Kubernetes.
To start developing Kubernetes
The community repository hosts all information about building Kubernetes from source, how to contribute code and documentation, who to contact about what, etc.
If you want to build Kubernetes right away there are two options:
You have a working Go environment.
$ go get -d k8s.io/kubernetes
$ cd $GOPATH/src/k8s.io/kubernetes
$ make
You have a working Docker environment.
$ git clone https://github.com/kubernetes/kubernetes
$ cd kubernetes
$ make quick-release
For the full story, head over to the developer's documentation.
Support
If you need support, start with the troubleshooting guide, and work your way through the process that we've outlined.
That said, if you have questions, reach out to us one way or another.