Make enableServiceLinks configurable for DeploymentLikes

deploy/charts/cert-manager/README.template.md

@@ -143,6 +143,7 @@ The following table lists the configurable parameters of the cert-manager chart
 | `dns01RecursiveNameserversOnly` | Forces cert-manager to only use the recursive nameservers for verification.  | `false` |
 | `enableCertificateOwnerRef` | When this flag is enabled, secrets will be automatically removed when the certificate resource is deleted | `false` |
 | `config` | ControllerConfiguration YAML used to configure flags for the controller. Generates a ConfigMap containing contents of the field. See `values.yaml` for example. | `{}` |
+| `enableServiceLinks` | Indicates whether information about services should be injected into pod's environment variables, matching the syntax of Docker links. | `false` |
 | `webhook.replicaCount` | Number of cert-manager webhook replicas | `1` |
 | `webhook.timeoutSeconds` | Seconds the API server should wait the webhook to respond before treating the call as a failure. | `10` |
 | `webhook.podAnnotations` | Annotations to add to the webhook pods | `{}` |
@@ -189,6 +190,7 @@ The following table lists the configurable parameters of the cert-manager chart
 | `webhook.readinessProbe.periodSeconds` | The readiness probe period (in seconds) | `5` |
 | `webhook.readinessProbe.successThreshold` | The readiness probe success threshold | `1` |
 | `webhook.readinessProbe.timeoutSeconds` | The readiness probe timeout (in seconds) | `1` |
+| `webhook.enableServiceLinks` | Indicates whether information about services should be injected into pod's environment variables, matching the syntax of Docker links. | `false` |
 | `cainjector.enabled` | Toggles whether the cainjector component should be installed (required for the webhook component to work) | `true` |
 | `cainjector.replicaCount` | Number of cert-manager cainjector replicas | `1` |
 | `cainjector.podAnnotations` | Annotations to add to the cainjector pods | `{}` |
@@ -212,6 +214,7 @@ The following table lists the configurable parameters of the cert-manager chart
 | `cainjector.image.pullPolicy` | cainjector image pull policy | `IfNotPresent` |
 | `cainjector.securityContext` | Security context for cainjector pod assignment | refer to [Default Security Contexts](#default-security-contexts) |
 | `cainjector.containerSecurityContext` | Security context to be set on cainjector component container | refer to [Default Security Contexts](#default-security-contexts) |
+| `cainjector.enableServiceLinks` | Indicates whether information about services should be injected into pod's environment variables, matching the syntax of Docker links. | `false` |
 | `acmesolver.image.repository` | acmesolver image repository | `quay.io/jetstack/cert-manager-acmesolver` |
 | `acmesolver.image.tag` | acmesolver image tag | `{{RELEASE_VERSION}}` |
 | `acmesolver.image.pullPolicy` | acmesolver image pull policy | `IfNotPresent` |
@@ -235,6 +238,7 @@ The following table lists the configurable parameters of the cert-manager chart
 | `startupapicheck.serviceAccount.name` | Service account for the startupapicheck component to be used. If not set and `startupapicheck.serviceAccount.create` is `true`, a name is generated using the fullname template |  |
 | `startupapicheck.serviceAccount.annotations` | Annotations to add to the service account for the startupapicheck component |  |
 | `startupapicheck.serviceAccount.automountServiceAccountToken` | Automount API credentials for the startupapicheck Service Account | `true` |
+| `startupapicheck.enableServiceLinks` | Indicates whether information about services should be injected into pod's environment variables, matching the syntax of Docker links. | `false` |
 | `maxConcurrentChallenges` | The maximum number of challenges that can be scheduled as 'processing' at once | `60` |
 
 ### Default Security Contexts

deploy/charts/cert-manager/templates/cainjector-deployment.yaml

@@ -45,7 +45,7 @@ spec:
       {{- if hasKey .Values.cainjector "automountServiceAccountToken" }}
       automountServiceAccountToken: {{ .Values.cainjector.automountServiceAccountToken }}
       {{- end }}
-      enableServiceLinks: false
+      enableServiceLinks: {{ .Values.cainjector.enableServiceLinks }}
       {{- with .Values.global.priorityClassName }}
       priorityClassName: {{ . | quote }}
       {{- end }}

deploy/charts/cert-manager/templates/deployment.yaml

@@ -52,7 +52,7 @@ spec:
       {{- if hasKey .Values "automountServiceAccountToken" }}
       automountServiceAccountToken: {{ .Values.automountServiceAccountToken }}
       {{- end }}
-      enableServiceLinks: false
+      enableServiceLinks: {{ .Values.enableServiceLinks }}
       {{- with .Values.global.priorityClassName }}
       priorityClassName: {{ . | quote }}
       {{- end }}

deploy/charts/cert-manager/templates/startupapicheck-job.yaml

@@ -37,7 +37,7 @@ spec:
       {{- if hasKey .Values.startupapicheck "automountServiceAccountToken" }}
       automountServiceAccountToken: {{ .Values.startupapicheck.automountServiceAccountToken }}
       {{- end }}
-      enableServiceLinks: false
+      enableServiceLinks: {{ .Values.startupapicheck.enableServiceLinks }}
       {{- with .Values.global.priorityClassName }}
       priorityClassName: {{ . | quote }}
       {{- end }}

deploy/charts/cert-manager/templates/webhook-deployment.yaml

@@ -44,7 +44,7 @@ spec:
       {{- if hasKey .Values.webhook "automountServiceAccountToken" }}
       automountServiceAccountToken: {{ .Values.webhook.automountServiceAccountToken }}
       {{- end }}
-      enableServiceLinks: false
+      enableServiceLinks: {{ .Values.webhook.enableServiceLinks }}
       {{- with .Values.global.priorityClassName }}
       priorityClassName: {{ . | quote }}
       {{- end }}

deploy/charts/cert-manager/values.yaml

@@ -291,6 +291,11 @@ livenessProbe:
   successThreshold: 1
   failureThreshold: 8
 
+# enableServiceLinks indicates whether information about services should be
+# injected into pod's environment variables, matching the syntax of Docker
+# links.
+enableServiceLinks: false
+
 webhook:
   replicaCount: 1
   timeoutSeconds: 10
@@ -493,6 +498,11 @@ webhook:
   volumes: []
   volumeMounts: []
 
+  # enableServiceLinks indicates whether information about services should be
+  # injected into pod's environment variables, matching the syntax of Docker
+  # links.
+  enableServiceLinks: false
+
 cainjector:
   enabled: true
   replicaCount: 1
@@ -593,6 +603,11 @@ cainjector:
   volumes: []
   volumeMounts: []
 
+  # enableServiceLinks indicates whether information about services should be
+  # injected into pod's environment variables, matching the syntax of Docker
+  # links.
+  enableServiceLinks: false
+
 acmesolver:
   image:
     repository: quay.io/jetstack/cert-manager-acmesolver
@@ -715,3 +730,8 @@ startupapicheck:
 
   volumes: []
   volumeMounts: []
+
+  # enableServiceLinks indicates whether information about services should be
+  # injected into pod's environment variables, matching the syntax of Docker
+  # links.
+  enableServiceLinks: false