Add ability to proxy local services into the cluster

Author: Sheikah45

README.MD

@@ -69,14 +69,15 @@ This repository aims to provide a ready-to-go [Tilt](https://docs.tilt.dev/) set
 ## Prerequisites
 * [Tilt](https://docs.tilt.dev/install.html)
 * Kubernetes ([Docker Desktop](https://docs.docker.com/desktop/kubernetes/) or [Minikube](https://minikube.sigs.k8s.io/docs/) are recommended for those new to kubernetes) [Tilt cluster setup](https://docs.tilt.dev/choosing_clusters)
-* For Windows users a bash program. By default git bash is used with an assumed installation directory of C:/Program Files/Git
 * [helm](https://helm.sh/docs/intro/install/) must be installed to generate the k8s from the helm charts in the gitops repo
+* For Windows users:
+    * A bash program. By default git bash is used with an assumed installation directory of C:/Program Files/Git
 
 ## Startup Services
 In the root directory of the repository run `tilt up`. This will start all the faf services in the correct order. The status of each service can be viewed in the tilt UI by visiting <http://localhost:10350>. This is the control server for tilt where you can restart services or disable them for substitution by services you would like to run from source code as you actively develop them.
 
 ## Development
-To develop against the FAF infrastructure you should disable the service in tilt that you are actively developing. Once disabled you can start up your developed version. Some tweaks may need to be made to the default configuration parameters in the source code. The proper values can be found in the configMaps in each of the services kubernetes deploy yaml files.
+To develop against the FAF infrastructure you can insert the service in tilt that you are actively developing by adding it to the local_services list in your tilt_config.json file or as --local_services when you run tilt up. This will proxy the connections in the cluster to that service to your locally running instance. Some tweaks may need to be made to the default configuration parameters in the source code. The proper values can be found in the configMaps in each of the services kubernetes deploy yaml files. You may need to specify your host-ip in the config or arguments in order to get the proxied connections to work
 
 ## Test Data
 The default test data that is loaded can be found in [faf-db](https://github.com/FAForever/db/blob/develop/test-data.sql).

Tiltfile

@@ -15,7 +15,7 @@ traefik:
   updateStrategy:
     type: Recreate
 
-  hostNetwork: true
+  hostNetwork: false
 
   ports:
     metrics:
@@ -38,7 +38,7 @@ traefik:
 
   # HostNetwork
   service:
-    enabled: false
+    enabled: true
 
   logs:
     general:
@@ -50,3 +50,7 @@ traefik:
       level: INFO
     access:
       enabled: true
+  
+  providers:
+    kubernetesCRD:
+      allowExternalNameServices: true

cluster/traefik/values-local.yaml

@@ -0,0 +1,3 @@
+apiVersion: v2
+name: host-proxy
+version: 1.0.0

tilt/helm/host-proxy/Chart.yaml

@@ -0,0 +1,11 @@
+{{- if .Values.hostIP }}
+apiVersion: v1
+kind: Endpoints
+metadata:
+  name: {{.Values.name}}
+subsets:
+  - addresses:
+      - ip: {{.Values.hostIP}}
+    ports:
+      - port: {{.Values.port}}
+{{- end }}

tilt/helm/host-proxy/templates/endpoint.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{.Values.name}}
+spec:
+{{- if .Values.hostIP }}
+  clusterIP: None
+  ports:
+    - protocol: "TCP"
+      port: {{.Values.port}}
+      targetPort: {{.Values.port}}
+{{ else }}
+  type: ExternalName
+  externalName: {{.Values.hostname}}
+{{- end }}

tilt/helm/host-proxy/templates/service.yaml

@@ -1,10 +1,9 @@
 #!/bin/bash
 
-cache_dir=$1
+chart_cache_dir=$1
 shift
 
 chart=$1
-chart_cache_dir="$cache_dir/$chart"
 
 mkdir -p "$chart_cache_dir"