Add tested Helm chart and configuration files for OpenTelemetry demo services

5 files changed, 251 insertions, 0 deletions

diff --git a/astroshop-helm/frontendproxy/templates/_helpers.tpl b/astroshop-helm/frontendproxy/templates/_helpers.tpl
new file mode 100644
index 0000000..e8ebada
--- /dev/null
+++ b/astroshop-helm/frontendproxy/templates/_helpers.tpl
@@ -0,0 +1,62 @@
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "frontendproxy.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).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "frontendproxy.fullname" -}}
+{{- if .Values.fullnameOverride }}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- $name := default .Chart.Name .Values.nameOverride }}
+{{- if contains $name .Release.Name }}
+{{- .Release.Name | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
+{{- end }}
+{{- end }}
+{{- end }}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "frontendproxy.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "frontendproxy.labels" -}}
+helm.sh/chart: {{ include "frontendproxy.chart" . }}
+{{ include "frontendproxy.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "frontendproxy.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "frontendproxy.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "frontendproxy.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "frontendproxy.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}
diff --git a/astroshop-helm/frontendproxy/templates/configmap.yaml b/astroshop-helm/frontendproxy/templates/configmap.yaml
new file mode 100644
index 0000000..081dc0a
--- /dev/null
+++ b/astroshop-helm/frontendproxy/templates/configmap.yaml
@@ -0,0 +1,52 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "frontendproxy.fullname" . }}-config
+  namespace: {{ .Values.namespace }}
+  labels:
+    {{- include "frontendproxy.labels" . | nindent 4 }}
+data:
+  envoy.yaml: |
+    static_resources:
+      listeners:
+        - address:
+            socket_address:
+              address: "0.0.0.0"
+              port_value: 8080
+          filter_chains:
+            - filters:
+                - name: "envoy.filters.network.http_connection_manager"
+                  typed_config:
+                    "@type": type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager
+                    stat_prefix: "ingress_http"
+                    route_config:
+                      name: "local_route"
+                      virtual_hosts:
+                        - name: "frontend"
+                          domains: ["*"]
+                          routes:
+                            - match:
+                                prefix: "/"
+                              route:
+                                cluster: "frontend"
+                    http_filters:
+                      - name: "envoy.filters.http.router"
+                        typed_config:
+                          "@type": type.googleapis.com/envoy.extensions.filters.http.router.v3.Router
+      clusters:
+        - name: "frontend"
+          type: STRICT_DNS
+          load_assignment:
+            cluster_name: "frontend"
+            endpoints:
+              - lb_endpoints:
+                  - endpoint:
+                      address:
+                        socket_address:
+                          address: "{{ .Values.opentelemetryDemoFrontendproxy.frontendproxy.env.frontendHost }}"
+                          port_value: {{ .Values.opentelemetryDemoFrontendproxy.frontendproxy.env.frontendPort }}
+    admin:
+      address:
+        socket_address:
+          address: "0.0.0.0"
+          port_value: {{ .Values.opentelemetryDemoFrontendproxy.frontendproxy.env.envoyAdminPort }}
\ No newline at end of file
diff --git a/astroshop-helm/frontendproxy/templates/deployment.yaml b/astroshop-helm/frontendproxy/templates/deployment.yaml
new file mode 100644
index 0000000..a76013a
--- /dev/null
+++ b/astroshop-helm/frontendproxy/templates/deployment.yaml
@@ -0,0 +1,97 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  namespace: {{ .Values.namespace }}
+  name: {{ include "frontendproxy.fullname" . }}
+  labels:
+    app.kubernetes.io/component: frontendproxy
+    app.kubernetes.io/part-of: opentelemetry-demo
+    opentelemetry.io/name: {{ .Values.namespace }}-{{ include "frontendproxy.fullname" . }}
+  {{- include "frontendproxy.labels" . | nindent 4 }}
+spec:
+  replicas: {{ .Values.opentelemetryDemoFrontendproxy.replicas }}
+  revisionHistoryLimit: {{ .Values.opentelemetryDemoFrontendproxy.revisionHistoryLimit }}
+  selector:
+    matchLabels:
+      opentelemetry.io/name: {{ .Values.namespace }}-{{ include "frontendproxy.fullname" . }}
+    {{- include "frontendproxy.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/component: frontendproxy
+        app.kubernetes.io/instance: opentelemetry-demo
+        app.kubernetes.io/name: {{ .Values.namespace }}-{{ include "frontendproxy.fullname" . }}
+        opentelemetry.io/name: {{ .Values.namespace }}-{{ include "frontendproxy.fullname" . }}
+      {{- include "frontendproxy.selectorLabels" . | nindent 8 }}
+    spec:
+      containers:
+      - env:
+        - name: OTEL_SERVICE_NAME
+          valueFrom:
+            fieldRef:
+              apiVersion: v1
+              fieldPath: metadata.labels['app.kubernetes.io/component']
+        - name: OTEL_COLLECTOR_NAME
+          value: {{ quote .Values.opentelemetryDemoFrontendproxy.frontendproxy.env.otelCollectorName }}
+        - name: OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE
+          value: {{ quote .Values.opentelemetryDemoFrontendproxy.frontendproxy.env.otelExporterOtlpMetricsTemporalityPreference }}
+        - name: ENVOY_PORT
+          value: {{ quote .Values.opentelemetryDemoFrontendproxy.frontendproxy.env.envoyPort }}
+        - name: ENVOY_ADMIN_PORT
+          value: {{ quote .Values.opentelemetryDemoFrontendproxy.frontendproxy.env.envoyAdminPort }}
+        - name: FLAGD_HOST
+          value: {{ quote .Values.opentelemetryDemoFrontendproxy.frontendproxy.env.flagdHost }}
+        - name: FLAGD_PORT
+          value: {{ quote .Values.opentelemetryDemoFrontendproxy.frontendproxy.env.flagdPort }}
+        - name: FLAGD_UI_HOST
+          value: {{ quote .Values.opentelemetryDemoFrontendproxy.frontendproxy.env.flagdUiHost }}
+        - name: FLAGD_UI_PORT
+          value: {{ quote .Values.opentelemetryDemoFrontendproxy.frontendproxy.env.flagdUiPort }}
+        - name: FRONTEND_HOST
+          value: {{ quote .Values.opentelemetryDemoFrontendproxy.frontendproxy.env.frontendHost }}
+        - name: FRONTEND_PORT
+          value: {{ quote .Values.opentelemetryDemoFrontendproxy.frontendproxy.env.frontendPort }}
+        - name: GRAFANA_HOST
+          value: {{ quote .Values.opentelemetryDemoFrontendproxy.frontendproxy.env.grafanaServiceHost }}
+        - name: GRAFANA_PORT
+          value: {{ quote .Values.opentelemetryDemoFrontendproxy.frontendproxy.env.grafanaServicePort }}
+        - name: IMAGE_PROVIDER_HOST
+          value: {{ quote .Values.opentelemetryDemoFrontendproxy.frontendproxy.env.imageProviderHost }}
+        - name: IMAGE_PROVIDER_PORT
+          value: {{ quote .Values.opentelemetryDemoFrontendproxy.frontendproxy.env.imageProviderPort }}
+        - name: JAEGER_HOST
+          value: {{ quote .Values.opentelemetryDemoFrontendproxy.frontendproxy.env.jaegerServiceHost }}
+        - name: JAEGER_UI_PORT
+          value: {{ quote .Values.opentelemetryDemoFrontendproxy.frontendproxy.env.jaegerServicePort }}
+        - name: LOCUST_WEB_HOST
+          value: {{ quote .Values.opentelemetryDemoFrontendproxy.frontendproxy.env.locustWebHost }}
+        - name: LOCUST_WEB_PORT
+          value: {{ quote .Values.opentelemetryDemoFrontendproxy.frontendproxy.env.locustWebPort }}
+        - name: OTEL_COLLECTOR_HOST
+          value: {{ quote .Values.opentelemetryDemoFrontendproxy.frontendproxy.env.otelCollectorHost }}
+        - name: OTEL_COLLECTOR_PORT_GRPC
+          value: {{ quote .Values.opentelemetryDemoFrontendproxy.frontendproxy.env.otelCollectorPortGrpc }}
+        - name: OTEL_COLLECTOR_PORT_HTTP
+          value: {{ quote .Values.opentelemetryDemoFrontendproxy.frontendproxy.env.otelCollectorPortHttp }}
+        - name: OTEL_RESOURCE_ATTRIBUTES
+          value: {{ quote .Values.opentelemetryDemoFrontendproxy.frontendproxy.env.otelResourceAttributes }}
+        - name: KUBERNETES_CLUSTER_DOMAIN
+          value: {{ quote .Values.kubernetesClusterDomain }}
+        image: '{{ .Values.opentelemetryDemoFrontendproxy.frontendproxy.image.repository }}:{{ .Values.opentelemetryDemoFrontendproxy.frontendproxy.image.tag | default .Chart.AppVersion }}'
+        imagePullPolicy: {{ .Values.opentelemetryDemoFrontendproxy.frontendproxy.imagePullPolicy }}
+        name: frontendproxy
+        ports:
+        - containerPort: 8080
+          name: service
+        resources: {{- toYaml .Values.opentelemetryDemoFrontendproxy.frontendproxy.resources | nindent 10 }}
+        securityContext: {{- toYaml .Values.opentelemetryDemoFrontendproxy.frontendproxy.containerSecurityContext | nindent 10 }}
+        command: ["/usr/local/bin/envoy"]
+        args: ["-c", "/etc/envoy/envoy.yaml", "--service-cluster", "frontendproxy"]
+        volumeMounts:
+        - name: envoy-config
+          mountPath: /etc/envoy
+      volumes:
+      - name: envoy-config
+        configMap:
+          name: {{ include "frontendproxy.fullname" . }}-config
+      serviceAccountName: {{ .Values.serviceAccount.name }}
\ No newline at end of file
diff --git a/astroshop-helm/frontendproxy/templates/frontend-proxy.yaml b/astroshop-helm/frontendproxy/templates/frontend-proxy.yaml
new file mode 100644
index 0000000..72ace3d
--- /dev/null
+++ b/astroshop-helm/frontendproxy/templates/frontend-proxy.yaml
@@ -0,0 +1,24 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: {{ .Values.namespace }}-{{ include "frontendproxy.fullname" . }}
+  labels:
+    app.kubernetes.io/component: frontendproxy
+    app.kubernetes.io/part-of: opentelemetry-demo
+    opentelemetry.io/name: {{ .Values.namespace }}-{{ include "frontendproxy.fullname" . }}
+  annotations:
+    alb.ingress.kubernetes.io/scheme: internet-facing
+    alb.ingress.kubernetes.io/target-type: ip
+spec:
+  ingressClassName: alb
+  rules:
+  - host: example.com
+    http:
+      paths:
+      - backend:
+          service:
+            name: '{{ include "frontendproxy.fullname" . }}'
+            port:
+              number: 8080
+        path: /
+        pathType: Prefix
diff --git a/astroshop-helm/frontendproxy/templates/service.yaml b/astroshop-helm/frontendproxy/templates/service.yaml
new file mode 100644
index 0000000..84f1c4b
--- /dev/null
+++ b/astroshop-helm/frontendproxy/templates/service.yaml
@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ .Values.namespace }}-{{ include "frontendproxy.fullname" . }}
+  labels:
+    app.kubernetes.io/component: frontendproxy
+    app.kubernetes.io/part-of: opentelemetry-demo
+    opentelemetry.io/name: {{ .Values.namespace }}-{{ include "frontendproxy.fullname" . }}
+  {{- include "frontendproxy.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.opentelemetryDemoFrontendproxy.type }}
+  selector:
+    opentelemetry.io/name: {{ .Values.namespace }}-{{ include "frontendproxy.fullname" . }}
+    {{- include "frontendproxy.selectorLabels" . | nindent 4 }}
+  ports:
+  {{- .Values.opentelemetryDemoFrontendproxy.ports | toYaml | nindent 2 }}