This just contains cars_app.yaml which defines the deployment of the whole demo to K8s.
There are a number of deployment defined:
- cars-deployment-web - This is the Nginx layer
- cars-deployment - This is the Tomcat app layer
- cars-db-deployment - This is the MySQL DB, note no persistent storage
- car-insurance-go - The Go insurance service, code for this is in https://github.com/tombatchelor/car-insurance
- cars-prometheus-deployment - This is the prometheus ReplicSet for metrics, there is a volume configured later in the file containing the configuration
- cars-loadgen-deployment - This is the Load Testing ReplicaSet
There is one CronJob configured:
- cleanup - This runs the cron_cleanup every 12 hours
There are a number of services:
- mysql - Exposes the DB internally
- cars-app - Exposes the app server internally
- cars-web - Exposes the web server internally (note load gen is internal to K8s thus the web server is not exposed externally)
- insurance - Exposes the Insurance Service internally
There is one ClusterRole
- prometheus - To enable Prometheus to get cluster data for metric collection
There is one ServiceAccount
- prometheus
There is one ClusterRoleBinding
- prometheus - Binds the Role and Service account
There is one ConfigMap
- prometheus-config - Contains the config.yaml for Prometheus