Purser is an extension to Kubernetes tasked at providing an insight into cluster topology, costing, capacity allocations and resource interactions along with the provision of logical grouping of resources for Kubernetes based cloud native applications in a cloud neutral manner, with the focus on catering to a multitude of users ranging from Sys Admins, to DevOps to Developers.
It comprises of three components: a controller, a plugin and a UI dashboard.
The controller component deployed inside the cluster watches for K8s native and custom resources associated with the application, thereby, periodically building not just an inventory but also performing discovery by generating and storing the interactions among the resources such as containers, pods and services.
The plugin component is a CLI tool interfacing with the kubectl that helps query costs, savings defined at a level of control of the application level components rather than at the infrastructure level.
The UI dashboard is a robust application that renders the Purser UI for providing visual representation to the complete cluster metrics in a single pane of glass.
Purser with its robust CLI and UI capabilities provides a set of features including, but not limited to the list below.
Capability to provide visibility into the following aspects of the K8s cluster
Capability of user defined logical grouping of resources based on K8s CRD implementation for enhanced filtering.
A plugin extension to kubectl along with the UI for developer centric usage.
Capability to subscribe to inventory changes via web-hook implementation.
kubectl installed and configured. For details see here.curl installed. Download it herecurl https://raw.githubusercontent.com/vmware/purser/master/build/purser-setup.sh -O && sh purser-setup.sh
NOTE: If you want to try out purser on minikube, you can do the following steps instead.
curl https://raw.githubusercontent.com/vmware/purser/master/build/purser-minimal-setup.sh -O && sh purser-minimal-setup.sh # Wait for containers to start, around 30s # Open Purser in browser minikube service purser-ui -n purser
For detailed installation steps follow the instructions in the manual installation guide.
Purser Plugin Setup (Optional)NOTE: This Plugin installation is optional. This feature is not actively maintained and will be deprecated soon.
If you want to install and use Purser's command line interface
Other Installation MethodsFor other installation methods such as manual installation or installation from source code refer guides in docs.
NOTE: Use flag --kubeconfig=<absolute path to config> if your cluster configuration is not at the default location.
The project uses Swagger to document API's endpoints. The documentation is available at Swagger Hub.
Additional documentation can be found below:
Issues: Have an issue with Purser, please log it.
Contributing: Would you like to contribute to our project, refer How to contribute, Developers Guide and Code of Conduct docs.
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