Ambassador

Ambassador is an open source, Kubernetes-native microservices API gateway built on the Envoy Proxy.

TL;DR;

$ helm install stable/ambassador

Introduction

This chart bootstraps an Ambassador deployment on a Kubernetes cluster using the Helm package manager.

Prerequisites

Kubernetes 1.7+

Installing the Chart

To install the chart with the release name my-release:

$ helm install --name my-release stable/ambassador

The command deploys Ambassador API gateway on the Kubernetes cluster in the default configuration. The configuration section lists the parameters that can be configured during installation.

Uninstalling the Chart

To uninstall/delete the my-release deployment:

$ helm delete --purge my-release

The command removes all the Kubernetes components associated with the chart and deletes the release.

Configuration

The following tables lists the configurable parameters of the Ambassador chart and their default values.

Parameter	Description	Default
`image`	Image	`quay.io/datawire/ambassador`
`imageTag`	Image tag	`0.29.0`
`imagePullPolicy`	Image pull policy	`IfNotPresent`
`replicaCount`	Number of Ambassador replicas	`1`
`resources`	CPU/memory resource requests/limits	None
`rbac.create`	If `true`, create and use RBAC resources	`true`
`serviceAccount.create`	If `true`, create a new service account	`true`
`serviceAccount.name`	Service account to be used	`ambassador`
`service.type`	Service type to be used	`LoadBalancer`
`adminService.create`	If `true`, create a service for Ambassador's admin UI	`true`
`adminService.type`	Ambassador's admin service type to be used	`ClusterIP`
`exporter.image`	Prometheus exporter image	`datawire/prom-statsd-exporter:0.6.0`
`timing.restart`	The minimum number of seconds between Envoy restarts	`15`
`timing.drain`	The number of seconds that the Envoy will wait for open connections to drain on a restart	`5`
`timing.shutdown`	The number of seconds that Ambassador will wait for the old Envoy to clean up and exit on a restart	`10`