Add readme for web provider

Also rename sample web provider implemented in Rust to `web-rust`.

providers/web/charts/web-rust/.helmignore

@@ -0,0 +1,21 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj

providers/web/charts/web-rust/Chart.yaml

@@ -0,0 +1,4 @@
+name: virtual-kubelet-web
+version: 0.1.0
+description: a Helm chart to install virtual kubelet in Kubernetes setup with a web provider
+

providers/web/charts/web-rust/templates/NOTES.txt

@@ -0,0 +1,5 @@
+The virtual kubelet is getting deployed on your cluster.
+
+To verify that virtual kubelet has started, run:
+
+  kubectl --namespace={{ .Release.Namespace }} get pods -l "app={{ template "virtual-kubelet-web.fullname" . }}"

providers/web/charts/web-rust/templates/_helpers.tpl

@@ -0,0 +1,16 @@
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "virtual-kubelet-web.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+*/}}
+{{- define "virtual-kubelet-web.fullname" -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}

providers/web/charts/web-rust/templates/deployment.yaml

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+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: {{ template "virtual-kubelet-web.fullname" . }}
+  labels:
+    app: {{ template "virtual-kubelet-web.name" . }}
+    chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: {{ template "virtual-kubelet-web.name" . }}
+  template:
+    metadata:
+      labels:
+        app: {{ template "virtual-kubelet-web.name" . }}
+        release: {{ .Release.Name }}
+    spec:
+      containers:
+        - name: webrust
+          image: "{{ .Values.rustwebimage.repository }}:{{ .Values.rustwebimage.tag }}"
+          imagePullPolicy: {{ .Values.rustwebimage.pullPolicy }}
+          ports:
+            - containerPort: {{ .Values.rustwebimage.port }}
+          livenessProbe:
+            httpGet:
+              path: /
+              port: {{ .Values.rustwebimage.port }}
+          readinessProbe:
+            httpGet:
+              path: /
+              port: {{ .Values.rustwebimage.port }}
+        - name: virtualkubelet
+          image: "{{ .Values.vkimage.repository }}:{{ .Values.vkimage.tag }}"
+          imagePullPolicy: {{ .Values.vkimage.pullPolicy }}
+          env:
+            - name: WEB_ENDPOINT_URL
+              value: http://localhost:{{ .Values.rustwebimage.port }}
+          command: ["virtual-kubelet"]
+          args: ["--provider", "web", "--nodename", {{ default "web-provider" .Values.env.nodeName | quote }}]

providers/web/charts/web-rust/values.yaml

@@ -0,0 +1,11 @@
+rustwebimage:
+  repository: avranju/web-rust
+  tag: latest
+  pullPolicy: Always
+  port: 3000
+vkimage:
+  repository: avranju/virtual-kubelet
+  tag: latest
+  pullPolicy: Always
+env:
+  nodeName: virtual-kubelet-web