Add workflow to test byzer-lang chart on PR

.github/workflows/lint_and_test.yaml

@@ -0,0 +1,47 @@
+name: Lint and Test Charts
+
+on: [pull_request]
+
+jobs:
+  lint-test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Set up kubectl
+        uses: azure/setup-kubectl@v3
+
+      - name: Set up Helm
+        uses: azure/setup-helm@v3
+        with:
+          version: v3.10.0
+
+      - name: Install bitnami repo
+        run: helm repo  add bitnami https://charts.bitnami.com/bitnami
+
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.9'
+          check-latest: true
+
+      - name: Set up chart-testing
+        uses: helm/chart-testing-action@v2.3.1
+
+      - name: Run chart-testing (lint)
+        run: ct lint --target-branch ${{ github.event.repository.default_branch }}
+
+      - name: start minikube
+        uses: medyagh/setup-minikube@latest
+        id: minikube
+        with:
+          cache: true
+          minikube-version: 1.22.0
+
+      - name: Copy and edit values.yaml
+        run: python -m pip install ruamel.yaml kubernetes && cd byzer-lang && python ./cp_write_values_yaml.py
+
+      - name: Run byzer-lang-testing (install)
+        run:  ct install --debug --chart-dirs ./byzer-lang --charts byzer-lang --helm-extra-args '--timeout 480s'

.gitignore

@@ -1,5 +1,5 @@
 .idea/**
-/byzer-lang/values.yaml
 /byzer-notebook/values.yaml
 /package.sh
-/charts
+/charts
+byzer-lang/values.yaml

byzer-lang/cp_write_values_yaml.py

@@ -0,0 +1,54 @@
+import ruamel.yaml
+from kubernetes import client, config
+import socket
+from urllib.parse import urlparse
+
+
+def get_cluster_url() -> str:
+    config.load_kube_config()
+    v1 = client.CoreV1Api()
+    api_server = v1.api_client.configuration.host
+    parse_result = urlparse(api_server)
+    if parse_result.hostname == "127.0.0.1":
+        host = socket.gethostbyname(socket.gethostname())
+        api_server = parse_result.scheme + "://" + host + ":" + str(parse_result.port)
+        print(api_server)
+    return api_server
+
+
+def rewrite_conf(conf: dict) -> dict:
+
+    conf['clusterUrl'] = get_cluster_url()
+
+    spark_conf = conf['spark']
+    spark_conf['driver.memory'] = "1024m"
+    spark_conf['driver.cores'] = "1"
+    spark_conf['executor.memory'] = "512m"
+    spark_conf['kubernetes.driver.limit.cores'] = "400m"
+    spark_conf['kubernetes.driver.request.cores'] = "400m"
+    spark_conf['kubernetes.executor.limit.cores'] = "200m"
+    spark_conf['kubernetes.executor.request.cores'] = "200m"
+
+    byzer_conf = conf['byzer']
+    byzer_conf['mainJar'] = "byzer-lang-3.3.0-2.12-2.3.5.jar"
+
+    image_conf = conf['image']
+    image_conf["repository"] = "byzer/byzer-lang-k8s-full"
+    image_conf["tag"] = "3.3.0-2.3.5-2023-03-09"
+
+    conf['fs']['cloud']['storage']['enabled'] = False
+    conf['readinessProbe']['initialDelaySeconds'] = 120
+    conf['minReadySeconds'] = 120
+    conf['livenessProbe']['initialDelaySeconds'] = 120
+
+    return conf
+
+
+yaml = ruamel.yaml.YAML()
+yaml.preserve_quotes = True
+with open('values.example.yaml') as fp:
+    data = yaml.load(fp)
+rewrite_conf(data)
+
+with open('values.yaml', 'w') as outfile:
+    yaml.dump(data, outfile)

byzer-lang/templates/service.yaml

@@ -11,5 +11,22 @@ spec:
       targetPort: http
       protocol: TCP
       name: http
+  selector:
+    {{- include "byzer-lang.selectorLabels" . | nindent 4 }}
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "byzer-lang.fullname" . }}-headless-service
+  labels:
+    {{- include "byzer-lang.labels" . | nindent 4 }}
+spec:
+  type: ClusterIP
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: http
+      protocol: TCP
+      name: http
+  clusterIP: None
   selector:
     {{- include "byzer-lang.selectorLabels" . | nindent 4 }}

byzer-lang/templates/tests/test-connection.yaml

@@ -1,7 +1,7 @@
 apiVersion: v1
 kind: Pod
 metadata:
-  name: {{ include "byzer-lang.fullname" . }}-test-connection"
+  name: {{ include "byzer-lang.fullname" . }}-test-connection
   labels:
     {{- include "byzer-lang.labels" . | nindent 4 }}
   annotations:
@@ -11,5 +11,5 @@ spec:
     - name: wget
       image: busybox
       command: ['wget']
-      args: ['{{ include "byzer-lang.fullname" . }}:{{ .Values.service.port }}']
+      args: ['{{ include "byzer-lang.fullname" . }}-service:{{ .Values.service.port }}']
   restartPolicy: Never