Allow to disable service link environment variables

CHANGELOG.md

@@ -1,5 +1,9 @@
 # spring-service
 
+## 5.2.0
+
+- Allow to disable environment variable service links using `enableServiceLinks: false`
+
 ## 5.1.1
 
 - Remove now unnecessary, confusing Helm chart labels on prom resources 

charts/spring-service/Chart.yaml

@@ -1,4 +1,4 @@
 apiVersion: v1
 name: spring-service
 description: A generalized deployment for Meisterplan Spring Boot services in Kubernetes.
-version: 5.1.1
+version: 5.2.0

charts/spring-service/templates/deployment.yaml

@@ -63,6 +63,7 @@ spec:
                 operator: In
                 values:
                   - {{ .Values.image.tag | quote }}
+      enableServiceLinks: {{ .Values.enableServiceLinks }}
       containers:
         - name: {{ .Values.serviceName }}
           image: "{{ required "repository must be set!" .Values.image.repository }}:{{ required "tag must be set!" .Values.image.tag }}"

charts/spring-service/values.yaml

@@ -96,6 +96,9 @@ disruptionBudget:
   type: maxUnavailable # either "maxUnavailable" (terminate at most this many pods) or "minAvailable" (have at least this many running pods remaining)
   value: 1 # value with reference to type
 
+# Set to false to disable service link environment variables
+enableServiceLinks: true
+
 # Allow additional manifest to be deployed with the chart
 extraManifests: []
   # - apiVersion: v1

tests/spring-service/complex-service/expected/spring-service/templates/deployment.yaml

@@ -53,6 +53,7 @@ spec:
                 operator: In
                 values:
                   - "1.30.7"
+      enableServiceLinks: false
       containers:
         - name: myservice
           image: "docker.pkg.github.com/my-company/myservice:1.30.7"

tests/spring-service/complex-service/values.yaml

@@ -28,7 +28,7 @@ ingress:
         - /welcome
         - /index.html
     additionalHosts:
-     - "myservice.othercompany.tld"
+      - "myservice.othercompany.tld"
     oauth2ProxyProtected: true
   overwriteCustomHttpErrors: "502"
 
@@ -42,6 +42,8 @@ disruptionBudget:
   type: minAvailable
   value: "50%"
 
+enableServiceLinks: false
+
 extraManifests:
   - apiVersion: v1
     kind: ConfigMap

tests/spring-service/simple-service/expected/spring-service/templates/deployment.yaml

@@ -53,6 +53,7 @@ spec:
                 operator: In
                 values:
                   - "1.30.7"
+      enableServiceLinks: true
       containers:
         - name: myservice
           image: "docker.pkg.github.com/my-company/myservice:1.30.7"