Migrate Nginx to use cos-common library

Author: olehavramenko

nginx/Chart.yaml

@@ -1,5 +1,12 @@
-apiVersion: v1
-appVersion: "1.0"
-description: A Helm chart for Kubernetes
+apiVersion: v2
 name: nginx
-version: 0.1.3
+description: Nginx reverse proxy
+type: application
+version: 1.0.0
+dependencies:
+  - name: cos-common
+    version: 1.0.0
+    repository: https://centerforopenscience.github.io/helm-charts/
+  # - name: cos-common
+  #   version: 1.0.0
+  #   repository: file://../cos-common

nginx/files/nginx.conf

@@ -0,0 +1,41 @@
+user nginx;
+worker_processes 1;
+
+pid /var/run/nginx.pid;
+
+error_log /var/log/nginx/error.log warn;
+
+events {
+    worker_connections 1024;
+}
+
+http {
+    include /etc/nginx/mime.types;
+    default_type application/octet-stream;
+
+    log_format main '$remote_addr - $upstream_cache_status $remote_user [$time_local] '
+                    '"$request" $status $body_bytes_sent '
+                    '"$http_referer" "$http_user_agent" "$http_x_forwarded_for" '
+                    'rt=$request_time uct="$upstream_connect_time" uht="$upstream_header_time" urt="$upstream_response_time"';
+    access_log /var/log/nginx/access.log main;
+
+    sendfile on;
+    tcp_nopush on;
+    tcp_nodelay on;
+    keepalive_timeout 620s;
+    keepalive_requests 10000;
+    types_hash_max_size 2048;
+    server_tokens off;
+
+    include /etc/nginx/conf.d/*.conf;
+
+    server {
+        listen 80;
+        server_name _;
+
+        location = /healthz {
+            access_log off;
+            return 200;
+        }
+    }
+}

nginx/templates/NOTES.txt

@@ -1,21 +1,28 @@
-1. Get the application URL by running these commands:
-{{- if .Values.ingress.enabled }}
-{{- range $host := .Values.ingress.hosts }}
-  {{- range $.Values.ingress.paths }}
-  http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $host }}{{ . }}
+Component fullname: {{ include "cos-common.fullname" (dict "root" . "name" "" "values" .Values.main) }}
+
+{{- if and .Values.main.ingress.enabled (.Values.main.ingress.hosts) }}
+Ingress hosts:
+{{- $hosts := list }}
+{{- if and (kindIs "map" .Values.main.ingress.hosts) (or (hasKey .Values.main.ingress.hosts "primary") (hasKey .Values.main.ingress.hosts "secondary")) }}
+  {{- range $h := (default (list) .Values.main.ingress.hosts.primary) }}
+    {{- $hosts = append $hosts $h }}
   {{- end }}
+  {{- range $h := (default (list) .Values.main.ingress.hosts.secondary) }}
+    {{- $hosts = append $hosts $h }}
+  {{- end }}
+{{- else }}
+  {{- range $h := .Values.main.ingress.hosts }}
+    {{- $hosts = append $hosts $h.host }}
+  {{- end }}
+{{- end }}
+{{- range $hosts }}
+ - {{ . }}
+{{- end }}
+{{- else }}
+Service ports:
+{{- range .Values.main.service.ports }}
+ - {{ .name }}: {{ .port }}
 {{- end }}
-{{- else if contains "NodePort" .Values.service.type }}
-  export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "nginx.fullname" . }})
-  export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
-  echo http://$NODE_IP:$NODE_PORT
-{{- else if contains "LoadBalancer" .Values.service.type }}
-     NOTE: It may take a few minutes for the LoadBalancer IP to be available.
-           You can watch the status of by running 'kubectl get svc -w {{ include "nginx.fullname" . }}'
-  export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "nginx.fullname" . }} -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
-  echo http://$SERVICE_IP:{{ .Values.service.port }}
-{{- else if contains "ClusterIP" .Values.service.type }}
-  export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "nginx.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
-  echo "Visit http://127.0.0.1:8080 to use your application"
-  kubectl port-forward $POD_NAME 8080:80
+Port-forward example:
+kubectl -n {{ .Release.Namespace }} port-forward svc/{{ include "cos-common.fullname" (dict "root" . "name" "" "values" .Values.main) }} 8080:{{ (index .Values.main.service.ports 0).port }}
 {{- end }}