external-connector: add 0.0.1 chart and tests

.github/workflows/ci.yml

@@ -31,3 +31,20 @@ jobs:
           FOXGLOVE_API_URL: ${{ vars.TEST_PRIMARY_SITE_API_URL }}
           FOXGLOVE_SITE_TOKEN: ${{ secrets.TEST_PRIMARY_SITE_TOKEN }}
         run: ./tests/test-primary-site-chart.sh ./charts/primary-site
+
+  test_external_connector:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Start minio
+        run: docker compose up minio -d
+        working-directory: tests
+      - name: Create minio buckets
+        run: docker compose up createbuckets
+        working-directory: tests
+      - uses: medyagh/setup-minikube@v0.0.20
+        with:
+          addons: metrics-server
+      - name: Test external connector chart install
+        timeout-minutes: 5
+        run: ./tests/test-external-connector-chart.sh ./charts/external-connector

charts/external-connector/Chart.yaml

@@ -0,0 +1,16 @@
+apiVersion: v2
+name: external-connector
+description: Foxglove External Connector
+type: application
+
+# This is the chart version. This version number should be incremented each time you make changes
+# to the chart and its templates, including the app version.
+# Versions are expected to follow Semantic Versioning (https://semver.org/)
+#
+# Example versions:
+# 1.0.0-alpha.0
+# 1.0.0-alpha.1
+# 1.0.0
+version: "0.0.1"
+
+appVersion: "b891fd66730df90b7101d2b39cf6c1e777e32da3"

charts/external-connector/templates/NOTES.txt

@@ -0,0 +1,9 @@
+Welcome to your Foxglove External Connector!
+
+See the status of your release:
+
+    helm status -n foxglove foxglove-external-connector
+
+Complete your installation:
+
+    https://docs.foxglove.dev/docs/visualization/connecting/external-connector

charts/external-connector/templates/deployment.yaml

@@ -0,0 +1,145 @@
+{{- $deployment := .Values.externalConnector.deployment -}}
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: external-connector
+  labels:
+    app: external-connector
+spec:
+  replicas: {{ $deployment.replicas }}
+  selector:
+    matchLabels:
+      app: external-connector
+  strategy:
+    type: RollingUpdate
+    rollingUpdate:
+      maxSurge: 25%
+      maxUnavailable: 25%
+  template:
+    metadata:
+      labels:
+        app: external-connector
+        {{- range $key, $value := $deployment.podLabels }}
+        {{ $key }}: {{ $value | quote }}
+        {{- end }}
+      annotations:
+        {{- range $key, $value := $deployment.podAnnotations }}
+        {{ $key }}: {{ $value | quote }}
+        {{- end }}
+    spec:
+      volumes:
+        - name: gcp-cloud-credentials
+          secret:
+            secretName: gcp-cloud-credential
+            optional: true
+      {{- if $deployment.extraVolumes }}
+        {{- toYaml $deployment.extraVolumes | nindent 8 }}
+      {{- end }}
+      {{- if $deployment.initContainers }}
+      initContainers:
+        {{- toYaml $deployment.initContainers | nindent 8 }}
+      {{- end }}
+      containers:
+        - name: external-connector
+          image: {{ $deployment.image }}:{{ .Chart.AppVersion }}
+          securityContext:
+            allowPrivilegeEscalation: false
+            runAsNonRoot: true
+            runAsUser: 65534
+            runAsGroup: 65534
+          resources:
+            {{- with $deployment.resources }}
+            requests:
+              cpu: {{ .requests.cpu }}
+              memory: {{ .requests.memory }}
+            limits:
+              cpu: {{ .limits.cpu }}
+              memory: {{ .limits.memory }}
+            {{- end }}
+          ports:
+            - name: http
+              containerPort: 8080
+            - name: metrics
+              containerPort: 6001
+          volumeMounts:
+            - mountPath: /secrets
+              name: gcp-cloud-credentials
+          {{- if $deployment.extraVolumeMounts }}
+            {{- toYaml $deployment.extraVolumeMounts | nindent 12 }}
+          {{- end }}
+          envFrom:
+            # Secret used to grant access to cache bucket
+            - secretRef:
+                name: cloud-credentials
+                optional: true
+            # Secret used to key used to encrypt cookies
+            - secretRef:
+                name: cookie-encryption-key
+                optional: true
+            {{- range $k := .Values.globals.secrets }}
+            - secretRef:
+                name: {{ $k }}
+            {{- end }}
+          env:
+            {{- with lookup "v1" "Secret" .Release.Namespace "gcp-cloud-credential" }}
+            - name: GOOGLE_APPLICATION_CREDENTIALS
+              value: /secrets/credentials.json
+            {{- end }}
+            {{- if .Values.globals.proxy.enabled }}
+            - name: HTTP_PROXY
+              value: {{ .Values.globals.proxy.httpProxy }}
+            - name: HTTPS_PROXY
+              value: {{ .Values.globals.proxy.httpsProxy }}
+            - name: NO_PROXY
+              value: {{ .Values.globals.proxy.noProxy }}
+            {{- end }}
+            - name: ADDRESS
+              value: "0.0.0.0:8080"
+            - name: PROMETHEUS_ADDRESS
+              value: "0.0.0.0:6001"
+            - name: AWS_REGION
+              value: "{{ .Values.globals.aws.region }}"
+            - name: AWS_SDK_LOAD_CONFIG
+              value: "true"
+            - name: PROMETHEUS_METRICS_NAMESPACE
+              value: "{{ $deployment.metrics.namespace }}"
+            - name: PROMETHEUS_METRICS_SUBSYSTEM
+              value: "{{ $deployment.metrics.subsystem }}"
+            - name: EXTERNAL_CONNECTOR_VERSION
+              value: "{{ .Chart.Version }}"
+            {{- range $item := $deployment.env }}
+            - name: {{ $item.name }}
+              value: {{ $item.value | quote}}
+            {{- end }}
+          startupProbe:
+            httpGet:
+              port: 8080
+              path: "/liveness"
+            initialDelaySeconds: 1
+            periodSeconds: 1
+            timeoutSeconds: 1
+            failureThreshold: 30
+          readinessProbe:
+            httpGet:
+              port: 8080
+              path: /liveness
+            periodSeconds: 3
+            timeoutSeconds: 1
+            failureThreshold: 10
+          livenessProbe:
+            httpGet:
+              port: 8080
+              path: /liveness
+            periodSeconds: 3
+            timeoutSeconds: 1
+            failureThreshold: 20
+      terminationGracePeriodSeconds: {{ $deployment.terminationGracePeriodSeconds }}
+      {{- if $deployment.serviceAccount.enabled }}
+      serviceAccount: external-connector
+      {{- end }}
+      {{- if $deployment.nodeSelectors }}
+      nodeSelector:
+        {{- range $key, $value := $deployment.nodeSelectors }}
+        {{ $key }}: {{ $value | quote }}
+        {{- end }}
+      {{- end}}

charts/external-connector/templates/hpa.yaml

@@ -0,0 +1,22 @@
+{{- with .Values.externalConnector.autoscaling -}}
+{{- if .enabled -}}
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: external-connector
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: external-connector
+  minReplicas: {{ .minReplicas }}
+  maxReplicas: {{ .minReplicas }}
+  metrics:
+    - type: Resource
+      resource:
+        name: cpu
+        target:
+          type: Utilization
+          averageUtilization: {{ .averageCpuUtilization }}
+{{- end -}}
+{{- end -}}

charts/external-connector/templates/ingress.yaml

@@ -0,0 +1,30 @@
+{{- with .Values.ingress }}
+{{- if .enabled }}
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: external-connector
+  annotations:
+    {{- range $key, $value := .annotations }}
+    {{ $key }}: {{ $value | quote }}
+    {{- end }}
+spec:
+  {{- if .className }}
+  ingressClassName: {{ .className | quote }}
+  {{- end }}
+  {{- if .tls }}
+  tls: {{- .tls | toYaml | trim | nindent 4 }}
+  {{- end }}
+  rules:
+    - host: {{ .host }}
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: external-connector
+                port: 
+                  number: 8080
+{{- end }}
+{{- end }}

charts/external-connector/templates/service.yaml

@@ -0,0 +1,20 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: external-connector
+  annotations:
+    {{- range $key, $value := .Values.externalConnector.service.annotations }}
+    {{ $key }}: {{ $value | quote }}
+    {{- end }}
+spec:
+  selector:
+    app: external-connector
+  ports:
+    - name: controller
+      protocol: TCP
+      port: 8080
+      targetPort: 8080
+    - name: metrics
+      protocol: TCP
+      port: 6001
+      targetPort: 6001

charts/external-connector/templates/serviceaccount.yaml

@@ -0,0 +1,12 @@
+{{- with .Values.externalConnector.deployment.serviceAccount -}}
+{{- if .enabled }}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: external-connector
+  annotations:
+    {{- range $key, $value := .annotations }}
+    {{ $key }}: {{ $value | quote }}
+    {{- end }}
+{{- end -}}
+{{- end -}}