Add environment variables to OPA container

Signed-off-by: zawada1 <[email protected]>

charts/opa/README.md

@@ -88,6 +88,7 @@ Reference](https://www.openpolicyagent.org/docs/configuration.html).
 | `opa` | OPA configuration. | See [values.yaml](values.yaml) |
 | `mgmt` | kube-mgmt configuration. | See [values.yaml](values.yaml) |
 | `mgmt.port` | kube-mgmt/prometheus port used to communicate with opa. | See [values.yaml](values.yaml) |
+| `mgmt.extraEnv` | Additional environment variables to be added to the kube-mgmt container | `[]` |
 | `sar.resources` | CPU and memory limits for the sar container. | `{}` |
 | `priorityClassName` | The name of the priorityClass for the pods. | Unset |
 | `prometheus.enabled` | Flag to expose the `/metrics` endpoint to be scraped. | `false` |
@@ -100,6 +101,7 @@ Reference](https://www.openpolicyagent.org/docs/configuration.html).
 | `securityContext` | Security context for the containers | `{enabled: false, runAsNonRoot: true, runAsUser: 1}` |
 | `deploymentStrategy` | Specify deployment spec rollout strategy | `{}` |
 | `extraArgs` | Additional arguments to be added to the opa container | `[]` |
+| `extraEnv` | Additional environment variables to be added to the opa container | `[]` |
 | `extraContainers` | Additional containers to be added to the deployment | `[]` |
 | `extraVolumes` | Additional volumes to be added to the deployment | `[]` |
 | `extraPorts` | Additional ports to OPA service. Useful to expose `extraContainer` ports. | `[]` |

charts/opa/templates/deployment.yaml

@@ -92,6 +92,10 @@ spec:
 {{- end }}
           image: {{ .Values.image }}:{{ .Values.imageTag }}
           imagePullPolicy: {{ .Values.imagePullPolicy }}
+          env:
+{{- if .Values.extraEnv }}        
+{{ toYaml .Values.extraEnv | indent 12 }}
+{{- end }}
           resources:
 {{ toYaml .Values.resources | indent 12 }}
           args:
@@ -153,6 +157,10 @@ spec:
         - name: mgmt
           image: {{ .Values.mgmt.image }}:{{ coalesce .Values.mgmt.imageTag .Chart.AppVersion }}
           imagePullPolicy: {{ .Values.mgmt.imagePullPolicy }}
+          env:
+{{- if .Values.mgmt.extraEnv }}        
+{{ toYaml .Values.mgmt.extraEnv | indent 12 }}
+{{- end }}
           resources:
 {{ toYaml .Values.mgmt.resources | indent 12 }}
           args:

charts/opa/values.yaml

@@ -125,6 +125,9 @@ port: 443
 
 extraArgs: []
 
+# Extra environment variables to be loaded into the OPA container
+extraEnv: []
+
 mgmt:
   enabled: false
   image: openpolicyagent/kube-mgmt
@@ -133,6 +136,7 @@ mgmt:
 # NOTE insecure http port conjointly used for mgmt access and prometheus metrics export
   port: 8181
   extraArgs: []
+  extraEnv: []
   resources: {}
   data:
     enabled: false