[logstash] add externalTrafficPolicy support

logstash/templates/service.yaml

@@ -19,6 +19,9 @@ spec:
 {{- with .Values.service.loadBalancerSourceRanges }}
   loadBalancerSourceRanges:
 {{ toYaml . | indent 4 }}
+{{- end }}
+{{- if .Values.service.externalTrafficPolicy }}
+  externalTrafficPolicy: {{ .Values.service.externalTrafficPolicy }}
 {{- end }}
   selector:
     app: "{{ template "logstash.fullname" . }}"

logstash/tests/logstash_test.py

@@ -964,6 +964,17 @@ def test_adding_a_service():
     assert "loadBalancerIP" not in s["spec"]
 
 
+def test_adding_an_externalTrafficPolicy():
+    config = """
+    service:
+      externalTrafficPolicy: Local
+    """
+
+    r = helm_template(config)
+
+    assert r["service"][name]["spec"]["externalTrafficPolicy"] == "Local"
+
+
 def test_setting_fullnameOverride():
     config = """
 fullnameOverride: 'logstash-custom'

logstash/values.yaml

@@ -61,7 +61,6 @@ secrets: []
 #      cert.crt: "LS0tLS1CRUdJTiBlRJRklDQVRFLS0tLS0K"
 #      cert.key.filepath: "secrets.crt" # The path to file should be relative to the `values.yaml` file.
 
-
 # A list of secrets and their paths to mount inside the pod
 secretMounts: []
 
@@ -92,7 +91,7 @@ resources:
     memory: "1536Mi"
 
 volumeClaimTemplate:
-  accessModes: [ "ReadWriteOnce" ]
+  accessModes: ["ReadWriteOnce"]
   resources:
     requests:
       storage: 1Gi
@@ -101,7 +100,8 @@ rbac:
   create: false
   serviceAccountAnnotations: {}
   serviceAccountName: ""
-  annotations: {}
+  annotations:
+    {}
     #annotation1: "value1"
     #annotation2: "value2"
     #annotation3: "value3"
@@ -174,7 +174,8 @@ podManagementPolicy: "Parallel"
 httpPort: 9600
 
 # Custom ports to add to logstash
-extraPorts: []
+extraPorts:
+  []
   # - name: beats
   #   containerPort: 5001
 
@@ -192,7 +193,7 @@ podSecurityContext:
 securityContext:
   capabilities:
     drop:
-    - ALL
+      - ALL
   # readOnlyRootFilesystem: true
   runAsNonRoot: true
   runAsUser: 1000
@@ -246,7 +247,8 @@ tolerations: []
 nameOverride: ""
 fullnameOverride: ""
 
-lifecycle: {}
+lifecycle:
+  {}
   # preStop:
   #   exec:
   #     command: ["/bin/sh", "-c", "echo Hello from the postStart handler > /usr/share/message"]
@@ -258,6 +260,7 @@ service: {}
 #  annotations: {}
 #  type: ClusterIP
 #  loadBalancerIP: ""
+#  externalTrafficPolicy: ""
 #  ports:
 #    - name: beats
 #      port: 5044