Add tested Helm chart and configuration files for OpenTelemetry demo services

4 files changed, 215 insertions, 0 deletions

diff --git a/astroshop-helm/flagd/templates/_helpers.tpl b/astroshop-helm/flagd/templates/_helpers.tpl
new file mode 100644
index 0000000..b3d106d
--- /dev/null
+++ b/astroshop-helm/flagd/templates/_helpers.tpl
@@ -0,0 +1,62 @@
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "flagd.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 "flagd.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 "flagd.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "flagd.labels" -}}
+helm.sh/chart: {{ include "flagd.chart" . }}
+{{ include "flagd.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "flagd.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "flagd.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "flagd.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "flagd.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}
diff --git a/astroshop-helm/flagd/templates/config.yaml b/astroshop-helm/flagd/templates/config.yaml
new file mode 100644
index 0000000..9eab225
--- /dev/null
+++ b/astroshop-helm/flagd/templates/config.yaml
@@ -0,0 +1,10 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "flagd.fullname" . }}-config
+  labels:
+    app.kubernetes.io/part-of: opentelemetry-demo
+    opentelemetry.io/name: opentelemetry-demo
+  {{- include "flagd.labels" . | nindent 4 }}
+data:
+  demo.flagd.json: {{ .Values.config.demoFlagdJson | toYaml | indent 1 }}
diff --git a/astroshop-helm/flagd/templates/deployment.yaml b/astroshop-helm/flagd/templates/deployment.yaml
new file mode 100644
index 0000000..13b9b5e
--- /dev/null
+++ b/astroshop-helm/flagd/templates/deployment.yaml
@@ -0,0 +1,127 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  namespace: {{ .Values.namespace }}
+  name: {{ include "flagd.fullname" . }}
+  labels:
+    app.kubernetes.io/component: flagd
+    app.kubernetes.io/part-of: opentelemetry-demo
+    opentelemetry.io/name: {{ .Values.namespace }}-{{ include "flagd.fullname" . }}
+  {{- include "flagd.labels" . | nindent 4 }}
+spec:
+  replicas: {{ .Values.opentelemetryDemoFlagd.replicas }}
+  revisionHistoryLimit: {{ .Values.opentelemetryDemoFlagd.revisionHistoryLimit }}
+  selector:
+    matchLabels:
+      opentelemetry.io/name: {{ .Values.namespace }}-{{ include "flagd.fullname" . }}
+    {{- include "flagd.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/component: flagd
+        app.kubernetes.io/instance: opentelemetry-demo
+        app.kubernetes.io/name: {{ .Values.namespace }}-{{ include "flagd.fullname" . }}
+        opentelemetry.io/name: {{ .Values.namespace }}-{{ include "flagd.fullname" . }}
+      {{- include "flagd.selectorLabels" . | nindent 8 }}
+    spec:
+      containers:
+      - command:
+        - /flagd-build
+        - start
+        - --uri
+        - file:./etc/flagd/demo.flagd.json
+        env:
+        - name: OTEL_SERVICE_NAME
+          valueFrom:
+            fieldRef:
+              apiVersion: v1
+              fieldPath: metadata.labels['app.kubernetes.io/component']
+        - name: OTEL_COLLECTOR_NAME
+          value: {{ quote .Values.opentelemetryDemoFlagd.flagd.env.otelCollectorName }}
+        - name: OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE
+          value: {{ quote .Values.opentelemetryDemoFlagd.flagd.env.otelExporterOtlpMetricsTemporalityPreference
+            }}
+        - name: FLAGD_METRICS_EXPORTER
+          value: {{ quote .Values.opentelemetryDemoFlagd.flagd.env.flagdMetricsExporter
+            }}
+        - name: FLAGD_OTEL_COLLECTOR_URI
+          value: {{ quote .Values.opentelemetryDemoFlagd.flagd.env.flagdOtelCollectorUri
+            }}
+        - name: OTEL_RESOURCE_ATTRIBUTES
+          value: {{ quote .Values.opentelemetryDemoFlagd.flagd.env.otelResourceAttributes
+            }}
+        - name: KUBERNETES_CLUSTER_DOMAIN
+          value: {{ quote .Values.kubernetesClusterDomain }}
+        image: {{ .Values.opentelemetryDemoFlagd.flagd.image.repository }}:{{ .Values.opentelemetryDemoFlagd.flagd.image.tag
+          | default .Chart.AppVersion }}
+        imagePullPolicy: {{ .Values.opentelemetryDemoFlagd.flagd.imagePullPolicy }}
+        name: flagd
+        ports:
+        - containerPort: 8013
+          name: service
+        resources: {{- toYaml .Values.opentelemetryDemoFlagd.flagd.resources | nindent
+          10 }}
+        volumeMounts:
+        - mountPath: /etc/flagd
+          name: config-rw
+      - env:
+        - name: OTEL_SERVICE_NAME
+          valueFrom:
+            fieldRef:
+              apiVersion: v1
+              fieldPath: metadata.labels['app.kubernetes.io/component']
+        - name: OTEL_COLLECTOR_NAME
+          value: {{ quote .Values.opentelemetryDemoFlagd.flagdui.env.otelCollectorName
+            }}
+        - name: OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE
+          value: {{ quote .Values.opentelemetryDemoFlagd.flagdui.env.otelExporterOtlpMetricsTemporalityPreference
+            }}
+        - name: FLAGD_METRICS_EXPORTER
+          value: {{ quote .Values.opentelemetryDemoFlagd.flagdui.env.flagdMetricsExporter
+            }}
+        - name: OTEL_EXPORTER_OTLP_ENDPOINT
+          value: {{ quote .Values.opentelemetryDemoFlagd.flagdui.env.otelExporterOtlpEndpoint
+            }}
+        - name: OTEL_RESOURCE_ATTRIBUTES
+          value: {{ quote .Values.opentelemetryDemoFlagd.flagdui.env.otelResourceAttributes
+            }}
+        - name: KUBERNETES_CLUSTER_DOMAIN
+          value: {{ quote .Values.kubernetesClusterDomain }}
+        - name: SECRET_KEY_BASE
+          value: {{ quote .Values.opentelemetryDemoFlagd.flagdui.env.secretKeyBase }}
+        image: {{ .Values.opentelemetryDemoFlagd.flagdui.image.repository }}:{{ .Values.opentelemetryDemoFlagd.flagdui.image.tag
+          | default .Chart.AppVersion }}
+        imagePullPolicy: {{ .Values.opentelemetryDemoFlagd.flagdui.imagePullPolicy }}
+        name: flagdui
+        ports:
+        - containerPort: 4000
+          name: service
+        resources: {{- toYaml .Values.opentelemetryDemoFlagd.flagdui.resources | nindent
+          10 }}
+        volumeMounts:
+        - mountPath: /app/data
+          name: config-rw
+      initContainers:
+      - command:
+        - sh
+        - -c
+        - cp /config-ro/demo.flagd.json /config-rw/demo.flagd.json && cat /config-rw/demo.flagd.json
+        env:
+        - name: KUBERNETES_CLUSTER_DOMAIN
+          value: {{ quote .Values.kubernetesClusterDomain }}
+        image: {{ .Values.opentelemetryDemoFlagd.initConfig.image.repository }}:{{ .Values.opentelemetryDemoFlagd.initConfig.image.tag
+          | default .Chart.AppVersion }}
+        name: init-config
+        resources: {}
+        volumeMounts:
+        - mountPath: /config-ro
+          name: config-ro
+        - mountPath: /config-rw
+          name: config-rw
+      serviceAccountName: {{ .Values.serviceAccount.name }}
+      volumes:
+      - emptyDir: {}
+        name: config-rw
+      - configMap:
+          name: {{ include "flagd.fullname" . }}-config
+        name: config-ro
diff --git a/astroshop-helm/flagd/templates/service.yaml b/astroshop-helm/flagd/templates/service.yaml
new file mode 100644
index 0000000..46eb89b
--- /dev/null
+++ b/astroshop-helm/flagd/templates/service.yaml
@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ .Values.namespace }}-{{ include "flagd.fullname" . }}
+  labels:
+    app.kubernetes.io/component: flagd
+    app.kubernetes.io/part-of: opentelemetry-demo
+    opentelemetry.io/name: {{ .Values.namespace }}-{{ include "flagd.fullname" . }}
+  {{- include "flagd.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.opentelemetryDemoFlagd.type }}
+  selector:
+    opentelemetry.io/name: {{ .Values.namespace }}-{{ include "flagd.fullname" . }}
+    {{- include "flagd.selectorLabels" . | nindent 4 }}
+  ports:
+  {{- .Values.opentelemetryDemoFlagd.ports | toYaml | nindent 2 }}